1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3812185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 39e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 40e8f887acSAmir Vadai #include <linux/mlx5/device.h> 41e8f887acSAmir Vadai #include <linux/rhashtable.h> 425a7e5bcbSVlad Buslov #include <linux/refcount.h> 43db76ca24SVlad Buslov #include <linux/completion.h> 4403a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 45776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 46bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 47d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4826c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4914e6b038SEli Cohen #include <net/tc_act/tc_mpls.h> 5041c2fd94SChris Mi #include <net/psample.h> 51f6dfb4c3SHadar Hen Zion #include <net/arp.h> 523616d08bSDavid Ahern #include <net/ipv6_stubs.h> 53f828ca6aSEli Cohen #include <net/bareudp.h> 54d34eb2fcSOr Gerlitz #include <net/bonding.h> 55e8f887acSAmir Vadai #include "en.h" 561d447a39SSaeed Mahameed #include "en_rep.h" 57768c3667SVlad Buslov #include "en/rep/tc.h" 58e2394a61SVlad Buslov #include "en/rep/neigh.h" 59232c0013SHadar Hen Zion #include "en_tc.h" 6003a9d11eSOr Gerlitz #include "eswitch.h" 613f6d08d1SOr Gerlitz #include "fs_core.h" 622c81bfd5SHuy Nguyen #include "en/port.h" 63101f4de9SOz Shlomo #include "en/tc_tun.h" 640a7fcb78SPaul Blakey #include "en/mapping.h" 654c3844d9SPaul Blakey #include "en/tc_ct.h" 66b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 670d9f9647SVlad Buslov #include "en/tc_priv.h" 680d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 692a9ab10aSChris Mi #include "esw/sample.h" 7004de7ddaSRoi Dayan #include "lib/devcom.h" 719272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 72ae430332SAriel Levkovich #include "lib/fs_chains.h" 737a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 741fe3e316SParav Pandit #include <asm/div64.h> 75e8f887acSAmir Vadai 766a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 77d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 7817091853SOr Gerlitz 79acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 806a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 81e8f887acSAmir Vadai 828f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 838f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 848f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 858f1e0b97SPaul Blakey .moffset = 0, 868f1e0b97SPaul Blakey .mlen = 2, 878f1e0b97SPaul Blakey }, 8810742efcSVlad Buslov [VPORT_TO_REG] = { 8910742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 9010742efcSVlad Buslov .moffset = 2, 9110742efcSVlad Buslov .mlen = 2, 9210742efcSVlad Buslov }, 930a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 940a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 95d12f4521SPaul Blakey .moffset = 1, 9648d216e5SVlad Buslov .mlen = ((ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS) / 8), 970a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 980a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 990a7fcb78SPaul Blakey }, 1004c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 101a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1024c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1034c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1044c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1054c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 106c7569097SAriel Levkovich /* For NIC rules we store the retore metadata directly 107c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 108c7569097SAriel Levkovich * jump between steering domains. 109c7569097SAriel Levkovich */ 110c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 111c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 112c7569097SAriel Levkovich .moffset = 0, 113c7569097SAriel Levkovich .mlen = 2, 114c7569097SAriel Levkovich }, 115aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1168f1e0b97SPaul Blakey }; 1178f1e0b97SPaul Blakey 1189ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1199ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1209ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1219ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1229ba33339SRoi Dayan * it's different than the ht->mutex here. 1239ba33339SRoi Dayan */ 1249ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1259ba33339SRoi Dayan 1260a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1270a7fcb78SPaul Blakey 1280a7fcb78SPaul Blakey void 1290a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1300a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1310a7fcb78SPaul Blakey u32 data, 1320a7fcb78SPaul Blakey u32 mask) 1330a7fcb78SPaul Blakey { 1340a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 1350a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1360a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 1370a7fcb78SPaul Blakey void *headers_v = spec->match_value; 1380a7fcb78SPaul Blakey void *fmask, *fval; 1390a7fcb78SPaul Blakey 1400a7fcb78SPaul Blakey fmask = headers_c + soffset; 1410a7fcb78SPaul Blakey fval = headers_v + soffset; 1420a7fcb78SPaul Blakey 14358ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 14458ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 1450a7fcb78SPaul Blakey 1460a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 1470a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 1480a7fcb78SPaul Blakey 1490a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1500a7fcb78SPaul Blakey } 1510a7fcb78SPaul Blakey 1527e36feebSPaul Blakey void 1537e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1547e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 1557e36feebSPaul Blakey u32 *data, 1567e36feebSPaul Blakey u32 *mask) 1577e36feebSPaul Blakey { 1587e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 1597e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1607e36feebSPaul Blakey void *headers_c = spec->match_criteria; 1617e36feebSPaul Blakey void *headers_v = spec->match_value; 1627e36feebSPaul Blakey void *fmask, *fval; 1637e36feebSPaul Blakey 1647e36feebSPaul Blakey fmask = headers_c + soffset; 1657e36feebSPaul Blakey fval = headers_v + soffset; 1667e36feebSPaul Blakey 1677e36feebSPaul Blakey memcpy(mask, fmask, match_len); 1687e36feebSPaul Blakey memcpy(data, fval, match_len); 1697e36feebSPaul Blakey 1707e36feebSPaul Blakey *mask = be32_to_cpu((__force __be32)(*mask << (32 - (match_len * 8)))); 1717e36feebSPaul Blakey *data = be32_to_cpu((__force __be32)(*data << (32 - (match_len * 8)))); 1727e36feebSPaul Blakey } 1737e36feebSPaul Blakey 1740a7fcb78SPaul Blakey int 175c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1760a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 177aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 1780a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1790a7fcb78SPaul Blakey u32 data) 1800a7fcb78SPaul Blakey { 1810a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1820a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 1830a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1840a7fcb78SPaul Blakey char *modact; 1850a7fcb78SPaul Blakey int err; 1860a7fcb78SPaul Blakey 187aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 1880a7fcb78SPaul Blakey if (err) 1890a7fcb78SPaul Blakey return err; 1900a7fcb78SPaul Blakey 1910a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 1920a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 1930a7fcb78SPaul Blakey 1940a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 1950a7fcb78SPaul Blakey if (mlen == 4) 1960a7fcb78SPaul Blakey mlen = 0; 1970a7fcb78SPaul Blakey 1980a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 1990a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2000a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2010a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2020a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 203c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2040a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2050a7fcb78SPaul Blakey 206c7b9038dSVlad Buslov return err; 2070a7fcb78SPaul Blakey } 2080a7fcb78SPaul Blakey 209aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 210aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 211aedd133dSAriel Levkovich { 212aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 213aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 214aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 215aedd133dSAriel Levkovich 216e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 217aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 218aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 219aedd133dSAriel Levkovich 220aedd133dSAriel Levkovich return uplink_priv->ct_priv; 221aedd133dSAriel Levkovich } 222aedd133dSAriel Levkovich 223aedd133dSAriel Levkovich return priv->fs.tc.ct; 224aedd133dSAriel Levkovich } 225aedd133dSAriel Levkovich 226f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 227f94d6389SChris Mi static struct mlx5_esw_psample * 228f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 229f94d6389SChris Mi { 230f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 231f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 232f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 233f94d6389SChris Mi 234f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 235f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 236f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 237f94d6389SChris Mi 238f94d6389SChris Mi return uplink_priv->esw_psample; 239f94d6389SChris Mi } 240f94d6389SChris Mi 241f94d6389SChris Mi return NULL; 242f94d6389SChris Mi } 243f94d6389SChris Mi #endif 244f94d6389SChris Mi 245aedd133dSAriel Levkovich struct mlx5_flow_handle * 246aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 247aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 248aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 249aedd133dSAriel Levkovich { 250aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 251aedd133dSAriel Levkovich 252e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 253aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 254aedd133dSAriel Levkovich 255aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 256aedd133dSAriel Levkovich } 257aedd133dSAriel Levkovich 258aedd133dSAriel Levkovich void 259aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 260aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 261aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 262aedd133dSAriel Levkovich { 263aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 264aedd133dSAriel Levkovich 265e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 266aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 267aedd133dSAriel Levkovich 268aedd133dSAriel Levkovich return; 269aedd133dSAriel Levkovich } 270aedd133dSAriel Levkovich 271aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 272aedd133dSAriel Levkovich } 273aedd133dSAriel Levkovich 274c7b9038dSVlad Buslov int 275c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 276c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 277c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 278c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 279c7b9038dSVlad Buslov u32 data) 280c7b9038dSVlad Buslov { 281c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 282c7b9038dSVlad Buslov 283c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 284c7b9038dSVlad Buslov } 285c7b9038dSVlad Buslov 286c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 287c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 288c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 289c7b9038dSVlad Buslov int act_id, u32 data) 290c7b9038dSVlad Buslov { 291c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 292c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 293c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 294c7b9038dSVlad Buslov char *modact; 295c7b9038dSVlad Buslov 296c7b9038dSVlad Buslov modact = mod_hdr_acts->actions + (act_id * MLX5_MH_ACT_SZ); 297c7b9038dSVlad Buslov 298c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 299c7b9038dSVlad Buslov if (mlen == 4) 300c7b9038dSVlad Buslov mlen = 0; 301c7b9038dSVlad Buslov 302c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 303c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 304c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, offset, moffset * 8); 305c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, length, mlen * 8); 306c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 307c7b9038dSVlad Buslov } 308c7b9038dSVlad Buslov 30977ab67b7SOr Gerlitz struct mlx5e_hairpin { 31077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 31177ab67b7SOr Gerlitz 31277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3133f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 31477ab67b7SOr Gerlitz u32 tdn; 31577ab67b7SOr Gerlitz u32 tirn; 3163f6d08d1SOr Gerlitz 3173f6d08d1SOr Gerlitz int num_channels; 3183f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 3193f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 3203f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 32177ab67b7SOr Gerlitz }; 32277ab67b7SOr Gerlitz 3235c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3245c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3255c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3265c65c564SOr Gerlitz 32773edca73SVlad Buslov /* protects flows list */ 32873edca73SVlad Buslov spinlock_t flows_lock; 3295c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3305c65c564SOr Gerlitz struct list_head flows; 331db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 332db76ca24SVlad Buslov * function traversed them. 333db76ca24SVlad Buslov */ 334db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3355c65c564SOr Gerlitz 336d8822868SOr Gerlitz u16 peer_vhca_id; 337106be53bSOr Gerlitz u8 prio; 3385c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 339e4f9abbdSVlad Buslov refcount_t refcnt; 340db76ca24SVlad Buslov struct completion res_ready; 3415c65c564SOr Gerlitz }; 3425c65c564SOr Gerlitz 3435a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3445a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3455a7e5bcbSVlad Buslov 3460d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3475a7e5bcbSVlad Buslov { 3485a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3495a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3505a7e5bcbSVlad Buslov return flow; 3515a7e5bcbSVlad Buslov } 3525a7e5bcbSVlad Buslov 3530d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3545a7e5bcbSVlad Buslov { 3555a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3565a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 357c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3585a7e5bcbSVlad Buslov } 3595a7e5bcbSVlad Buslov } 3605a7e5bcbSVlad Buslov 361aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 362226f2ca3SVlad Buslov { 363226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 364226f2ca3SVlad Buslov } 365226f2ca3SVlad Buslov 36684179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 36784179981SPaul Blakey { 36884179981SPaul Blakey return flow_flag_test(flow, FT); 36984179981SPaul Blakey } 37084179981SPaul Blakey 3710d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 372226f2ca3SVlad Buslov { 373226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 374226f2ca3SVlad Buslov } 375226f2ca3SVlad Buslov 376d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 377d2faae25SVlad Buslov { 378d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 379d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 380d2faae25SVlad Buslov } 381b2fdf3d0SPaul Blakey 382b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 383b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 384b2fdf3d0SPaul Blakey { 385b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 386b2fdf3d0SPaul Blakey 387b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 388b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 389b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 390b2fdf3d0SPaul Blakey } 391b2fdf3d0SPaul Blakey 39211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 39311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 39411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 39511c9c548SOr Gerlitz { 396b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 397b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 39811c9c548SOr Gerlitz 399b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 400b2fdf3d0SPaul Blakey get_flow_name_space(flow), 401b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 402b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 403b2fdf3d0SPaul Blakey return PTR_ERR(mh); 40411c9c548SOr Gerlitz 405b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 406c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 407b2fdf3d0SPaul Blakey flow->mh = mh; 40811c9c548SOr Gerlitz 40911c9c548SOr Gerlitz return 0; 41011c9c548SOr Gerlitz } 41111c9c548SOr Gerlitz 41211c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 41311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 41411c9c548SOr Gerlitz { 4155a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 416dd58edc3SVlad Buslov if (!flow->mh) 4175a7e5bcbSVlad Buslov return; 4185a7e5bcbSVlad Buslov 419b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 420b2fdf3d0SPaul Blakey flow->mh); 421dd58edc3SVlad Buslov flow->mh = NULL; 42211c9c548SOr Gerlitz } 42311c9c548SOr Gerlitz 42477ab67b7SOr Gerlitz static 42577ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 42677ab67b7SOr Gerlitz { 42777ab67b7SOr Gerlitz struct net_device *netdev; 42877ab67b7SOr Gerlitz struct mlx5e_priv *priv; 42977ab67b7SOr Gerlitz 43077ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 43177ab67b7SOr Gerlitz priv = netdev_priv(netdev); 43277ab67b7SOr Gerlitz return priv->mdev; 43377ab67b7SOr Gerlitz } 43477ab67b7SOr Gerlitz 43577ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 43677ab67b7SOr Gerlitz { 437e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 43877ab67b7SOr Gerlitz void *tirc; 43977ab67b7SOr Gerlitz int err; 44077ab67b7SOr Gerlitz 44177ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 44277ab67b7SOr Gerlitz if (err) 44377ab67b7SOr Gerlitz goto alloc_tdn_err; 44477ab67b7SOr Gerlitz 44577ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 44677ab67b7SOr Gerlitz 44777ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 448ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 44977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 45077ab67b7SOr Gerlitz 451e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 45277ab67b7SOr Gerlitz if (err) 45377ab67b7SOr Gerlitz goto create_tir_err; 45477ab67b7SOr Gerlitz 45577ab67b7SOr Gerlitz return 0; 45677ab67b7SOr Gerlitz 45777ab67b7SOr Gerlitz create_tir_err: 45877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 45977ab67b7SOr Gerlitz alloc_tdn_err: 46077ab67b7SOr Gerlitz return err; 46177ab67b7SOr Gerlitz } 46277ab67b7SOr Gerlitz 46377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 46477ab67b7SOr Gerlitz { 46577ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 46677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 46777ab67b7SOr Gerlitz } 46877ab67b7SOr Gerlitz 4692119bda6SArnd Bergmann static int mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4703f6d08d1SOr Gerlitz { 4713f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4723f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4736def6e47SSaeed Mahameed u32 *indirection_rqt, rqn; 4743f6d08d1SOr Gerlitz 4756def6e47SSaeed Mahameed indirection_rqt = kcalloc(sz, sizeof(*indirection_rqt), GFP_KERNEL); 4762119bda6SArnd Bergmann if (!indirection_rqt) 4772119bda6SArnd Bergmann return -ENOMEM; 4782119bda6SArnd Bergmann 4793f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4803f6d08d1SOr Gerlitz hp->num_channels); 4813f6d08d1SOr Gerlitz 4823f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4833f6d08d1SOr Gerlitz ix = i; 484bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 4853f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 4863f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 4873f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 4883f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 4893f6d08d1SOr Gerlitz } 4902119bda6SArnd Bergmann 4912119bda6SArnd Bergmann kfree(indirection_rqt); 4922119bda6SArnd Bergmann return 0; 4933f6d08d1SOr Gerlitz } 4943f6d08d1SOr Gerlitz 4953f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 4963f6d08d1SOr Gerlitz { 4973f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 4983f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4993f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5003f6d08d1SOr Gerlitz void *rqtc; 5013f6d08d1SOr Gerlitz u32 *in; 5023f6d08d1SOr Gerlitz 5033f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5043f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5053f6d08d1SOr Gerlitz if (!in) 5063f6d08d1SOr Gerlitz return -ENOMEM; 5073f6d08d1SOr Gerlitz 5083f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5093f6d08d1SOr Gerlitz 5103f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5113f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5123f6d08d1SOr Gerlitz 5132119bda6SArnd Bergmann err = mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5142119bda6SArnd Bergmann if (err) 5152119bda6SArnd Bergmann goto out; 5163f6d08d1SOr Gerlitz 5173f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5183f6d08d1SOr Gerlitz if (!err) 5193f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5203f6d08d1SOr Gerlitz 5212119bda6SArnd Bergmann out: 5223f6d08d1SOr Gerlitz kvfree(in); 5233f6d08d1SOr Gerlitz return err; 5243f6d08d1SOr Gerlitz } 5253f6d08d1SOr Gerlitz 5263f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5273f6d08d1SOr Gerlitz { 5283f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5293f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5303f6d08d1SOr Gerlitz int tt, i, err; 5313f6d08d1SOr Gerlitz void *tirc; 5323f6d08d1SOr Gerlitz 5333f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 534d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 535d930ac79SAya Levin 5363f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5373f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5383f6d08d1SOr Gerlitz 5393f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5403f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5413f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 542bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 543bbeb53b8SAya Levin 5443f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 545e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 5463f6d08d1SOr Gerlitz if (err) { 5473f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5483f6d08d1SOr Gerlitz goto err_destroy_tirs; 5493f6d08d1SOr Gerlitz } 5503f6d08d1SOr Gerlitz } 5513f6d08d1SOr Gerlitz return 0; 5523f6d08d1SOr Gerlitz 5533f6d08d1SOr Gerlitz err_destroy_tirs: 5543f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5553f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5563f6d08d1SOr Gerlitz return err; 5573f6d08d1SOr Gerlitz } 5583f6d08d1SOr Gerlitz 5593f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5603f6d08d1SOr Gerlitz { 5613f6d08d1SOr Gerlitz int tt; 5623f6d08d1SOr Gerlitz 5633f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5643f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5653f6d08d1SOr Gerlitz } 5663f6d08d1SOr Gerlitz 5673f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5683f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5693f6d08d1SOr Gerlitz { 5703f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5713f6d08d1SOr Gerlitz int tt; 5723f6d08d1SOr Gerlitz 5733f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5743f6d08d1SOr Gerlitz 5753f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5763f6d08d1SOr Gerlitz 5773f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5783f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5793f6d08d1SOr Gerlitz 5806412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 5813f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5823f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5833f6d08d1SOr Gerlitz } 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5863f6d08d1SOr Gerlitz { 5873f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5883f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5893f6d08d1SOr Gerlitz int err; 5903f6d08d1SOr Gerlitz 5913f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 5923f6d08d1SOr Gerlitz if (err) 5933f6d08d1SOr Gerlitz return err; 5943f6d08d1SOr Gerlitz 5953f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 5963f6d08d1SOr Gerlitz if (err) 5973f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 5983f6d08d1SOr Gerlitz 5993f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6003f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6013f6d08d1SOr Gerlitz if (err) 6023f6d08d1SOr Gerlitz goto err_create_ttc_table; 6033f6d08d1SOr Gerlitz 6043f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6053f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6063f6d08d1SOr Gerlitz 6073f6d08d1SOr Gerlitz return 0; 6083f6d08d1SOr Gerlitz 6093f6d08d1SOr Gerlitz err_create_ttc_table: 6103f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6113f6d08d1SOr Gerlitz err_create_indirect_tirs: 6123f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6133f6d08d1SOr Gerlitz 6143f6d08d1SOr Gerlitz return err; 6153f6d08d1SOr Gerlitz } 6163f6d08d1SOr Gerlitz 6173f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6183f6d08d1SOr Gerlitz { 6193f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6223f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6233f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6243f6d08d1SOr Gerlitz } 6253f6d08d1SOr Gerlitz 62677ab67b7SOr Gerlitz static struct mlx5e_hairpin * 62777ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 62877ab67b7SOr Gerlitz int peer_ifindex) 62977ab67b7SOr Gerlitz { 63077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 63177ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 63277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 63377ab67b7SOr Gerlitz int err; 63477ab67b7SOr Gerlitz 63577ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 63677ab67b7SOr Gerlitz if (!hp) 63777ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 63877ab67b7SOr Gerlitz 63977ab67b7SOr Gerlitz func_mdev = priv->mdev; 64077ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 64177ab67b7SOr Gerlitz 64277ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 64377ab67b7SOr Gerlitz if (IS_ERR(pair)) { 64477ab67b7SOr Gerlitz err = PTR_ERR(pair); 64577ab67b7SOr Gerlitz goto create_pair_err; 64677ab67b7SOr Gerlitz } 64777ab67b7SOr Gerlitz hp->pair = pair; 64877ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6493f6d08d1SOr Gerlitz hp->func_priv = priv; 6503f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 65177ab67b7SOr Gerlitz 65277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 65377ab67b7SOr Gerlitz if (err) 65477ab67b7SOr Gerlitz goto create_transport_err; 65577ab67b7SOr Gerlitz 6563f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6573f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6583f6d08d1SOr Gerlitz if (err) 6593f6d08d1SOr Gerlitz goto rss_init_err; 6603f6d08d1SOr Gerlitz } 6613f6d08d1SOr Gerlitz 66277ab67b7SOr Gerlitz return hp; 66377ab67b7SOr Gerlitz 6643f6d08d1SOr Gerlitz rss_init_err: 6653f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 66677ab67b7SOr Gerlitz create_transport_err: 66777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 66877ab67b7SOr Gerlitz create_pair_err: 66977ab67b7SOr Gerlitz kfree(hp); 67077ab67b7SOr Gerlitz return ERR_PTR(err); 67177ab67b7SOr Gerlitz } 67277ab67b7SOr Gerlitz 67377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 67477ab67b7SOr Gerlitz { 6753f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6763f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 67777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 67877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 67977ab67b7SOr Gerlitz kvfree(hp); 68077ab67b7SOr Gerlitz } 68177ab67b7SOr Gerlitz 682106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 683106be53bSOr Gerlitz { 684106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 685106be53bSOr Gerlitz } 686106be53bSOr Gerlitz 6875c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 688106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6895c65c564SOr Gerlitz { 6905c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 691106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 6925c65c564SOr Gerlitz 6935c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 694106be53bSOr Gerlitz hairpin_hlist, hash_key) { 695e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 696e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 6975c65c564SOr Gerlitz return hpe; 6985c65c564SOr Gerlitz } 699e4f9abbdSVlad Buslov } 7005c65c564SOr Gerlitz 7015c65c564SOr Gerlitz return NULL; 7025c65c564SOr Gerlitz } 7035c65c564SOr Gerlitz 704e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 705e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 706e4f9abbdSVlad Buslov { 707e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 708b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 709e4f9abbdSVlad Buslov return; 710b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 711b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 712e4f9abbdSVlad Buslov 713db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 714e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 715e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 716e4f9abbdSVlad Buslov 717e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 718db76ca24SVlad Buslov } 719db76ca24SVlad Buslov 720db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 721e4f9abbdSVlad Buslov kfree(hpe); 722e4f9abbdSVlad Buslov } 723e4f9abbdSVlad Buslov 724106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 725106be53bSOr Gerlitz 726106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 727e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 728e98bedf5SEli Britstein struct netlink_ext_ack *extack) 729106be53bSOr Gerlitz { 730106be53bSOr Gerlitz void *headers_c, *headers_v; 731106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 732106be53bSOr Gerlitz bool vlan_present; 733106be53bSOr Gerlitz 734106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 735106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 736e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 737e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 738106be53bSOr Gerlitz return -EOPNOTSUPP; 739106be53bSOr Gerlitz } 740106be53bSOr Gerlitz #endif 741106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 742106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 743106be53bSOr Gerlitz 744106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 745106be53bSOr Gerlitz if (vlan_present) { 746106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 747106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 748106be53bSOr Gerlitz } 749106be53bSOr Gerlitz 750106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 751106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 752106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 753e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 754e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 755106be53bSOr Gerlitz return -EOPNOTSUPP; 756106be53bSOr Gerlitz } 757106be53bSOr Gerlitz 758106be53bSOr Gerlitz *match_prio = prio_val; 759106be53bSOr Gerlitz return 0; 760106be53bSOr Gerlitz } 761106be53bSOr Gerlitz 7625c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7635c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 764e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 765e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7665c65c564SOr Gerlitz { 76798b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7685c65c564SOr Gerlitz struct mlx5_hairpin_params params; 769d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7705c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7715c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7723f6d08d1SOr Gerlitz u64 link_speed64; 7733f6d08d1SOr Gerlitz u32 link_speed; 774106be53bSOr Gerlitz u8 match_prio; 775d8822868SOr Gerlitz u16 peer_id; 7765c65c564SOr Gerlitz int err; 7775c65c564SOr Gerlitz 778d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 779d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 780e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7815c65c564SOr Gerlitz return -EOPNOTSUPP; 7825c65c564SOr Gerlitz } 7835c65c564SOr Gerlitz 784d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 785e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 786e98bedf5SEli Britstein extack); 787106be53bSOr Gerlitz if (err) 788106be53bSOr Gerlitz return err; 789b32accdaSVlad Buslov 790b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 791106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 792db76ca24SVlad Buslov if (hpe) { 793db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 794db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 795db76ca24SVlad Buslov 796db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 797db76ca24SVlad Buslov err = -EREMOTEIO; 798db76ca24SVlad Buslov goto out_err; 799db76ca24SVlad Buslov } 8005c65c564SOr Gerlitz goto attach_flow; 801db76ca24SVlad Buslov } 8025c65c564SOr Gerlitz 8035c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 804b32accdaSVlad Buslov if (!hpe) { 805db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 806db76ca24SVlad Buslov return -ENOMEM; 807b32accdaSVlad Buslov } 8085c65c564SOr Gerlitz 80973edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8105c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 811db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 812d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 813106be53bSOr Gerlitz hpe->prio = match_prio; 814e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 815db76ca24SVlad Buslov init_completion(&hpe->res_ready); 816db76ca24SVlad Buslov 817db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 818db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 819db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8205c65c564SOr Gerlitz 8215c65c564SOr Gerlitz params.log_data_size = 15; 8225c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8235c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8245c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8255c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8265c65c564SOr Gerlitz 827eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 828eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 829eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 830eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 831eb9180f7SOr Gerlitz 832eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8333f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8342c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8353f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8363f6d08d1SOr Gerlitz link_speed64 = link_speed; 8373f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8383f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8393f6d08d1SOr Gerlitz 8405c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 841db76ca24SVlad Buslov hpe->hp = hp; 842db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8435c65c564SOr Gerlitz if (IS_ERR(hp)) { 8445c65c564SOr Gerlitz err = PTR_ERR(hp); 845db76ca24SVlad Buslov goto out_err; 8465c65c564SOr Gerlitz } 8475c65c564SOr Gerlitz 848eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 84927b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 85027b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 851eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8525c65c564SOr Gerlitz 8535c65c564SOr Gerlitz attach_flow: 8543f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 855226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 856c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8573f6d08d1SOr Gerlitz } else { 858c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_tirn = hpe->hp->tirn; 8593f6d08d1SOr Gerlitz } 860b32accdaSVlad Buslov 861e4f9abbdSVlad Buslov flow->hpe = hpe; 86273edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8635c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 86473edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8653f6d08d1SOr Gerlitz 8665c65c564SOr Gerlitz return 0; 8675c65c564SOr Gerlitz 868db76ca24SVlad Buslov out_err: 869db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8705c65c564SOr Gerlitz return err; 8715c65c564SOr Gerlitz } 8725c65c564SOr Gerlitz 8735c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8745c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8755c65c564SOr Gerlitz { 8765a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 877e4f9abbdSVlad Buslov if (!flow->hpe) 8785a7e5bcbSVlad Buslov return; 8795a7e5bcbSVlad Buslov 88073edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8815c65c564SOr Gerlitz list_del(&flow->hairpin); 88273edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 88373edca73SVlad Buslov 884e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 885e4f9abbdSVlad Buslov flow->hpe = NULL; 8865c65c564SOr Gerlitz } 8875c65c564SOr Gerlitz 88808247066SAriel Levkovich struct mlx5_flow_handle * 88908247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 89008247066SAriel Levkovich struct mlx5_flow_spec *spec, 891c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 892e8f887acSAmir Vadai { 89308247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 894c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 895c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 8966a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 8975c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 89866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 8993bc4b7bfSOr Gerlitz .action = attr->action, 900bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 90166958ed9SHadar Hen Zion }; 90208247066SAriel Levkovich struct mlx5_flow_handle *rule; 903c7569097SAriel Levkovich struct mlx5_flow_table *ft; 90408247066SAriel Levkovich int dest_ix = 0; 905e8f887acSAmir Vadai 906bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 907c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 908bb0ee7dcSJianbo Liu 909aedd133dSAriel Levkovich if (attr->dest_ft) { 910aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 911aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 912aedd133dSAriel Levkovich dest_ix++; 913aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9143f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 915c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 91608247066SAriel Levkovich dest_ix++; 917c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9185c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 919c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9203f6d08d1SOr Gerlitz dest_ix++; 9213f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9225c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 923c7569097SAriel Levkovich if (attr->dest_chain) { 924c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 925c7569097SAriel Levkovich attr->dest_chain, 1, 926c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 927c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 928c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 929c7569097SAriel Levkovich } else { 9306783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 931c7569097SAriel Levkovich } 9325c65c564SOr Gerlitz dest_ix++; 9335c65c564SOr Gerlitz } 934aad7e08dSAmir Vadai 935c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 936c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 937c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 938c7569097SAriel Levkovich 93908247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9405c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 94108247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9425c65c564SOr Gerlitz dest_ix++; 943aad7e08dSAmir Vadai } 944aad7e08dSAmir Vadai 94508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9462b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9472f4fe4caSOr Gerlitz 9486a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9496a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9506a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9516a064674SAriel Levkovich tc->t = 952c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 95321b9c144SOr Gerlitz 9546a064674SAriel Levkovich if (IS_ERR(tc->t)) { 9556a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 956e8f887acSAmir Vadai netdev_err(priv->netdev, 957e8f887acSAmir Vadai "Failed to create tc offload table\n"); 958c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 959c7569097SAriel Levkovich goto err_ft_get; 960e8f887acSAmir Vadai } 961e8f887acSAmir Vadai } 96208247066SAriel Levkovich mutex_unlock(&tc->t_lock); 963e8f887acSAmir Vadai 964aedd133dSAriel Levkovich if (attr->chain || attr->prio) 965c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 966c7569097SAriel Levkovich attr->chain, attr->prio, 967c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 968aedd133dSAriel Levkovich else 969aedd133dSAriel Levkovich ft = attr->ft; 970aedd133dSAriel Levkovich 971c7569097SAriel Levkovich if (IS_ERR(ft)) { 972c7569097SAriel Levkovich rule = ERR_CAST(ft); 973c7569097SAriel Levkovich goto err_ft_get; 974c7569097SAriel Levkovich } 975c7569097SAriel Levkovich 976c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 97708247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 97838aa51c1SOr Gerlitz 979c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 9805c65c564SOr Gerlitz &flow_act, dest, dest_ix); 98108247066SAriel Levkovich if (IS_ERR(rule)) 982c7569097SAriel Levkovich goto err_rule; 98308247066SAriel Levkovich 98408247066SAriel Levkovich return rule; 985c7569097SAriel Levkovich 986c7569097SAriel Levkovich err_rule: 987aedd133dSAriel Levkovich if (attr->chain || attr->prio) 988c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 989c7569097SAriel Levkovich attr->chain, attr->prio, 990c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 991c7569097SAriel Levkovich err_ft_get: 992c7569097SAriel Levkovich if (attr->dest_chain) 993c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 994c7569097SAriel Levkovich attr->dest_chain, 1, 995c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 996c7569097SAriel Levkovich 997c7569097SAriel Levkovich return ERR_CAST(rule); 99808247066SAriel Levkovich } 99908247066SAriel Levkovich 100008247066SAriel Levkovich static int 100108247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 100208247066SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 100308247066SAriel Levkovich struct mlx5e_tc_flow *flow, 100408247066SAriel Levkovich struct netlink_ext_ack *extack) 100508247066SAriel Levkovich { 1006c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 100708247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 100808247066SAriel Levkovich struct mlx5_fc *counter = NULL; 100908247066SAriel Levkovich int err; 101008247066SAriel Levkovich 101108247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 101208247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 101308247066SAriel Levkovich if (err) 101408247066SAriel Levkovich return err; 101508247066SAriel Levkovich } 101608247066SAriel Levkovich 101708247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 101808247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 101908247066SAriel Levkovich if (IS_ERR(counter)) 102008247066SAriel Levkovich return PTR_ERR(counter); 102108247066SAriel Levkovich 102208247066SAriel Levkovich attr->counter = counter; 102308247066SAriel Levkovich } 102408247066SAriel Levkovich 102508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 102608247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 102708247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 102808247066SAriel Levkovich if (err) 102908247066SAriel Levkovich return err; 103008247066SAriel Levkovich } 103108247066SAriel Levkovich 1032aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1033aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1034aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1035aedd133dSAriel Levkovich else 103608247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 103708247066SAriel Levkovich attr); 1038e8f887acSAmir Vadai 1039a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1040e8f887acSAmir Vadai } 1041e8f887acSAmir Vadai 104208247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1043c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1044c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 104508247066SAriel Levkovich { 1046c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1047c7569097SAriel Levkovich 104808247066SAriel Levkovich mlx5_del_flow_rules(rule); 1049c7569097SAriel Levkovich 1050aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1051c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1052c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1053c7569097SAriel Levkovich 1054c7569097SAriel Levkovich if (attr->dest_chain) 1055c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1056c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 105708247066SAriel Levkovich } 105808247066SAriel Levkovich 1059d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1060d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1061d85cdccbSOr Gerlitz { 1062c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 10636a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1064d85cdccbSOr Gerlitz 1065c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1066c7569097SAriel Levkovich 1067aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1068aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1069aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1070aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1071aedd133dSAriel Levkovich 1072c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1073c7569097SAriel Levkovich * extra steering hops. 1074c7569097SAriel Levkovich */ 1075b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 10766a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 10776a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 10786a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1079d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1080d85cdccbSOr Gerlitz } 1081b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10822f4fe4caSOr Gerlitz 1083aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1084aedd133dSAriel Levkovich 1085513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10863099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10875c65c564SOr Gerlitz 1088aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1089aedd133dSAriel Levkovich 1090226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10915c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1092c620b772SAriel Levkovich 1093c620b772SAriel Levkovich kfree(flow->attr); 1094d85cdccbSOr Gerlitz } 1095d85cdccbSOr Gerlitz 10960d9f9647SVlad Buslov struct mlx5_flow_handle * 10976d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10986d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10996d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1100c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11016d2a3ed0SOr Gerlitz { 11021ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11036d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11044c3844d9SPaul Blakey 110589e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 110689e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 110789e39467SPaul Blakey 11081ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11091ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11101ef3018fSPaul Blakey 111169e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1112aedd133dSAriel Levkovich flow, spec, attr, 11131ef3018fSPaul Blakey mod_hdr_acts); 1114f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 1115f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1116f94d6389SChris Mi rule = mlx5_esw_sample_offload(get_sample_priv(flow->priv), spec, attr); 1117f94d6389SChris Mi #endif 111869e2916eSPaul Blakey } else { 111969e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11201ef3018fSPaul Blakey } 11216d2a3ed0SOr Gerlitz 11226d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11236d2a3ed0SOr Gerlitz return rule; 11246d2a3ed0SOr Gerlitz 1125c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11266d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11276d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 112869e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 112969e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 113069e2916eSPaul Blakey else 11316d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11326d2a3ed0SOr Gerlitz return flow->rule[1]; 11336d2a3ed0SOr Gerlitz } 11346d2a3ed0SOr Gerlitz } 11356d2a3ed0SOr Gerlitz 11366d2a3ed0SOr Gerlitz return rule; 11376d2a3ed0SOr Gerlitz } 11386d2a3ed0SOr Gerlitz 11390d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11406d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1141c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11426d2a3ed0SOr Gerlitz { 1143226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11446d2a3ed0SOr Gerlitz 114589e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 114689e39467SPaul Blakey goto offload_rule_0; 114789e39467SPaul Blakey 11484c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1149aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11504c3844d9SPaul Blakey return; 11514c3844d9SPaul Blakey } 11524c3844d9SPaul Blakey 1153f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 1154f94d6389SChris Mi if (flow_flag_test(flow, SAMPLE)) { 1155f94d6389SChris Mi mlx5_esw_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 1156f94d6389SChris Mi return; 1157f94d6389SChris Mi } 1158f94d6389SChris Mi #endif 1159f94d6389SChris Mi 1160c620b772SAriel Levkovich if (attr->esw_attr->split_count) 11616d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11626d2a3ed0SOr Gerlitz 116389e39467SPaul Blakey offload_rule_0: 11646d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11656d2a3ed0SOr Gerlitz } 11666d2a3ed0SOr Gerlitz 11670d9f9647SVlad Buslov struct mlx5_flow_handle * 11685dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 11695dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1170178f69b4SEli Cohen struct mlx5_flow_spec *spec) 11715dbe906fSPaul Blakey { 1172c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 11735dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11745dbe906fSPaul Blakey 1175c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1176c620b772SAriel Levkovich if (!slow_attr) 1177c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 11785dbe906fSPaul Blakey 1179c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1180c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1181c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1182c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1183c620b772SAriel Levkovich 1184c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 11855dbe906fSPaul Blakey if (!IS_ERR(rule)) 1186226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 11875dbe906fSPaul Blakey 1188c620b772SAriel Levkovich kfree(slow_attr); 1189c620b772SAriel Levkovich 11905dbe906fSPaul Blakey return rule; 11915dbe906fSPaul Blakey } 11925dbe906fSPaul Blakey 11930d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1194178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 11955dbe906fSPaul Blakey { 1196c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1197178f69b4SEli Cohen 1198c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 11995efbe617SAriel Levkovich if (!slow_attr) { 12005efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12015efbe617SAriel Levkovich return; 12025efbe617SAriel Levkovich } 1203c620b772SAriel Levkovich 1204c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1205c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1206c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1207c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1208c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1209226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1210c620b772SAriel Levkovich kfree(slow_attr); 12115dbe906fSPaul Blakey } 12125dbe906fSPaul Blakey 1213ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1214ad86755bSVlad Buslov * function. 1215ad86755bSVlad Buslov */ 1216ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1217ad86755bSVlad Buslov struct list_head *unready_flows) 1218ad86755bSVlad Buslov { 1219ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1220ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1221ad86755bSVlad Buslov } 1222ad86755bSVlad Buslov 1223ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1224ad86755bSVlad Buslov * function. 1225ad86755bSVlad Buslov */ 1226ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1227ad86755bSVlad Buslov { 1228ad86755bSVlad Buslov list_del(&flow->unready); 1229ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1230ad86755bSVlad Buslov } 1231ad86755bSVlad Buslov 1232b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1233b4a23329SRoi Dayan { 1234b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1235b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1236b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1237b4a23329SRoi Dayan 1238b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1239b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1240b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1241b4a23329SRoi Dayan 1242ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1243ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1244ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1245b4a23329SRoi Dayan } 1246b4a23329SRoi Dayan 1247b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1248b4a23329SRoi Dayan { 1249ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1250ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1251ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1252ad86755bSVlad Buslov 1253ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1254ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1255ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1256ad86755bSVlad Buslov 1257ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1258ad86755bSVlad Buslov unready_flow_del(flow); 1259ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1260b4a23329SRoi Dayan } 1261b4a23329SRoi Dayan 126210742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 126310742efcSVlad Buslov 1264a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 126510742efcSVlad Buslov { 126610742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 126710742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 126810742efcSVlad Buslov 126910742efcSVlad Buslov out_priv = netdev_priv(out_dev); 127010742efcSVlad Buslov out_mdev = out_priv->mdev; 127110742efcSVlad Buslov route_priv = netdev_priv(route_dev); 127210742efcSVlad Buslov route_mdev = route_priv->mdev; 127310742efcSVlad Buslov 127410742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 127510742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 127610742efcSVlad Buslov return false; 127710742efcSVlad Buslov 127810742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 127910742efcSVlad Buslov } 128010742efcSVlad Buslov 1281a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 128210742efcSVlad Buslov { 128310742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 128410742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 128510742efcSVlad Buslov struct mlx5_eswitch *esw; 128610742efcSVlad Buslov u16 vhca_id; 128710742efcSVlad Buslov int err; 128810742efcSVlad Buslov 128910742efcSVlad Buslov out_priv = netdev_priv(out_dev); 129010742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 129110742efcSVlad Buslov route_priv = netdev_priv(route_dev); 129210742efcSVlad Buslov route_mdev = route_priv->mdev; 129310742efcSVlad Buslov 129410742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 129510742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 129610742efcSVlad Buslov return err; 129710742efcSVlad Buslov } 129810742efcSVlad Buslov 1299c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1300c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1301c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1302c7b9038dSVlad Buslov { 1303c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1304c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1305c7b9038dSVlad Buslov 1306c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1307c7b9038dSVlad Buslov get_flow_name_space(flow), 1308c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1309c7b9038dSVlad Buslov mod_hdr_acts->actions); 1310c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1311c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1312c7b9038dSVlad Buslov 1313c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1314c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1315c7b9038dSVlad Buslov 1316c7b9038dSVlad Buslov return 0; 1317c7b9038dSVlad Buslov } 1318c7b9038dSVlad Buslov 1319c83954abSRabie Loulou static int 132074491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1321e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1322e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1323adb4c123SOr Gerlitz { 1324adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1325c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1326c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13278914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1328fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1329c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 1330b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 13313c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13323c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 133339ac237cSPaul Blakey u32 max_prio, max_chain; 13340ad060eeSRoi Dayan int err = 0; 1335f493f155SEli Britstein int out_index; 13368b32580dSOr Gerlitz 133784179981SPaul Blakey /* We check chain range only for tc flows. 133884179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 133984179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 134084179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 134184179981SPaul Blakey */ 1342ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 134384179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 134461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 134561644c3dSRoi Dayan "Requested chain is out of supported range"); 13468914add2SVlad Buslov err = -EOPNOTSUPP; 13478914add2SVlad Buslov goto err_out; 1348bf07aa73SPaul Blakey } 1349bf07aa73SPaul Blakey 1350ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1351bf07aa73SPaul Blakey if (attr->prio > max_prio) { 135261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 135361644c3dSRoi Dayan "Requested priority is out of supported range"); 13548914add2SVlad Buslov err = -EOPNOTSUPP; 13558914add2SVlad Buslov goto err_out; 1356bf07aa73SPaul Blakey } 1357bf07aa73SPaul Blakey 1358777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1359777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1360777bb800SVlad Buslov if (err) 13618914add2SVlad Buslov goto err_out; 1362777bb800SVlad Buslov } 1363777bb800SVlad Buslov 136414e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 136514e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 136614e6b038SEli Cohen if (err) 13678914add2SVlad Buslov goto err_out; 136814e6b038SEli Cohen } 136914e6b038SEli Cohen 1370c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1371c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1372c620b772SAriel Levkovich 1373f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1374fe7738ebSDima Chumak struct net_device *out_dev; 13758c4dc42bSEli Britstein int mirred_ifindex; 13768c4dc42bSEli Britstein 1377c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1378f493f155SEli Britstein continue; 1379f493f155SEli Britstein 13807040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1381fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1382fe7738ebSDima Chumak if (!out_dev) { 1383fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1384fe7738ebSDima Chumak err = -ENODEV; 1385fe7738ebSDima Chumak goto err_out; 1386fe7738ebSDima Chumak } 1387733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13880ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1389fe7738ebSDima Chumak dev_put(out_dev); 13900ad060eeSRoi Dayan if (err) 13918914add2SVlad Buslov goto err_out; 13920ad060eeSRoi Dayan 13938914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 13948914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 13958914add2SVlad Buslov vf_tun = true; 13963c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13973c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1398c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1399c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 14003c37745eSOr Gerlitz } 14013c37745eSOr Gerlitz 14027d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 14037d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 14047d1a3d08SVlad Buslov err = -EOPNOTSUPP; 14057d1a3d08SVlad Buslov goto err_out; 14067d1a3d08SVlad Buslov } 14077d1a3d08SVlad Buslov 14088b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1409c83954abSRabie Loulou if (err) 14108914add2SVlad Buslov goto err_out; 1411adb4c123SOr Gerlitz 1412d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1413d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 14148914add2SVlad Buslov if (vf_tun) { 14158914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 14168914add2SVlad Buslov if (err) 14178914add2SVlad Buslov goto err_out; 14188914add2SVlad Buslov } else { 14191a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1420c83954abSRabie Loulou if (err) 14218914add2SVlad Buslov goto err_out; 14228914add2SVlad Buslov } 1423d7e75a32SOr Gerlitz } 1424d7e75a32SOr Gerlitz 1425b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1426c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 14278914add2SVlad Buslov if (IS_ERR(counter)) { 14288914add2SVlad Buslov err = PTR_ERR(counter); 14298914add2SVlad Buslov goto err_out; 14308914add2SVlad Buslov } 1431b8aee822SMark Bloch 1432b8aee822SMark Bloch attr->counter = counter; 1433b8aee822SMark Bloch } 1434b8aee822SMark Bloch 14350ad060eeSRoi Dayan /* we get here if one of the following takes place: 14360ad060eeSRoi Dayan * (1) there's no error 14370ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 14383c37745eSOr Gerlitz */ 1439bc1d75faSRoi Dayan if (!encap_valid) 1440178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1441bc1d75faSRoi Dayan else 14426d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 14435dbe906fSPaul Blakey 14448914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 14458914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 14468914add2SVlad Buslov goto err_out; 14478914add2SVlad Buslov } 1448226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1449c83954abSRabie Loulou 14505dbe906fSPaul Blakey return 0; 14518914add2SVlad Buslov 14528914add2SVlad Buslov err_out: 14538914add2SVlad Buslov flow_flag_set(flow, FAILED); 14548914add2SVlad Buslov return err; 1455aa0cbbaeSOr Gerlitz } 1456d85cdccbSOr Gerlitz 14579272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 14589272e3dfSYevgeny Kliteynik { 1459c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 14609272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 14619272e3dfSYevgeny Kliteynik spec->match_value, 14629272e3dfSYevgeny Kliteynik misc_parameters_3); 14639272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 14649272e3dfSYevgeny Kliteynik headers_v, 14659272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 14669272e3dfSYevgeny Kliteynik 14679272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 14689272e3dfSYevgeny Kliteynik } 14699272e3dfSYevgeny Kliteynik 1470d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1471d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1472d85cdccbSOr Gerlitz { 1473d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1474c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1475777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 14768914add2SVlad Buslov bool vf_tun = false; 1477f493f155SEli Britstein int out_index; 1478d85cdccbSOr Gerlitz 1479777bb800SVlad Buslov esw_attr = attr->esw_attr; 14800a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 14810a7fcb78SPaul Blakey 148212a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1483b4a23329SRoi Dayan remove_unready_flow(flow); 1484ef06c9eeSRoi Dayan 1485226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1486226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1487178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14885dbe906fSPaul Blakey else 14895dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14905dbe906fSPaul Blakey } 1491d85cdccbSOr Gerlitz 14929272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14939272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14949272e3dfSYevgeny Kliteynik 1495513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1496d85cdccbSOr Gerlitz 1497777bb800SVlad Buslov if (flow->decap_route) 1498777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1499777bb800SVlad Buslov 1500777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 15018914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 15028914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 15038914add2SVlad Buslov vf_tun = true; 1504777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 15058c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 15062a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 15072a4b6526SVlad Buslov } 1508777bb800SVlad Buslov } 1509d7e75a32SOr Gerlitz 1510aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 15114c8594adSRoi Dayan 1512c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1513c7b9038dSVlad Buslov dealloc_mod_hdr_actions(&attr->parse_attr->mod_hdr_acts); 15148914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 15158914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 15168914add2SVlad Buslov else 15171a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1518c7b9038dSVlad Buslov } 15198914add2SVlad Buslov kvfree(attr->parse_attr); 15208914add2SVlad Buslov kvfree(attr->esw_attr->rx_tun_attr); 1521b8aee822SMark Bloch 1522b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1523777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 152414e6b038SEli Cohen 152514e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 152614e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1527c620b772SAriel Levkovich 152841c2fd94SChris Mi kfree(flow->attr->esw_attr->sample); 1529c620b772SAriel Levkovich kfree(flow->attr); 1530d85cdccbSOr Gerlitz } 1531d85cdccbSOr Gerlitz 15320d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1533b8aee822SMark Bloch { 1534c620b772SAriel Levkovich return flow->attr->counter; 1535b8aee822SMark Bloch } 1536b8aee822SMark Bloch 15376a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1538021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15396a06c2f7SVlad Buslov { 15406a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15416a06c2f7SVlad Buslov 15426a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15436a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15446a06c2f7SVlad Buslov } 15456a06c2f7SVlad Buslov 154604de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 154704de7ddaSRoi Dayan { 154804de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 154904de7ddaSRoi Dayan 1550226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1551226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 155204de7ddaSRoi Dayan return; 155304de7ddaSRoi Dayan 155404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 155504de7ddaSRoi Dayan list_del(&flow->peer); 155604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 155704de7ddaSRoi Dayan 1558226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 155904de7ddaSRoi Dayan 1560eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 156104de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1562a23dae79SRoi Dayan kfree(flow->peer_flow); 1563eb252c3aSRoi Dayan } 1564eb252c3aSRoi Dayan 156504de7ddaSRoi Dayan flow->peer_flow = NULL; 156604de7ddaSRoi Dayan } 156704de7ddaSRoi Dayan 156804de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 156904de7ddaSRoi Dayan { 157004de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 157104de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 157204de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 157304de7ddaSRoi Dayan 157404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 157504de7ddaSRoi Dayan if (!peer_esw) 157604de7ddaSRoi Dayan return; 157704de7ddaSRoi Dayan 157804de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 157904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 158004de7ddaSRoi Dayan } 158104de7ddaSRoi Dayan 1582e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1583961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1584e8f887acSAmir Vadai { 1585226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 158604de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1587d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 158804de7ddaSRoi Dayan } else { 1589d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1590e8f887acSAmir Vadai } 159104de7ddaSRoi Dayan } 1592e8f887acSAmir Vadai 15930a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1594bbd00f7eSHadar Hen Zion { 1595f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 15960a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 15970a7fcb78SPaul Blakey const struct flow_action_entry *act; 15980a7fcb78SPaul Blakey int i; 1599bbd00f7eSHadar Hen Zion 16000a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 16010a7fcb78SPaul Blakey switch (act->id) { 16020a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 16030a7fcb78SPaul Blakey return true; 16040a7fcb78SPaul Blakey default: 16050a7fcb78SPaul Blakey continue; 1606fe1587a7SDmytro Linkin } 16072e72eb43SOr Gerlitz } 1608bbd00f7eSHadar Hen Zion 16090a7fcb78SPaul Blakey return false; 16100a7fcb78SPaul Blakey } 1611bcef735cSOr Gerlitz 16120a7fcb78SPaul Blakey static int 16130a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 16140a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 16150a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 16160a7fcb78SPaul Blakey bool *dont_care) 16170a7fcb78SPaul Blakey { 16180a7fcb78SPaul Blakey struct geneve_opt *opt; 16190a7fcb78SPaul Blakey int off = 0; 1620bcef735cSOr Gerlitz 16210a7fcb78SPaul Blakey *dont_care = true; 1622bcef735cSOr Gerlitz 16230a7fcb78SPaul Blakey while (opts->len > off) { 16240a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1625e98bedf5SEli Britstein 16260a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 16270a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 16280a7fcb78SPaul Blakey *dont_care = false; 16290a7fcb78SPaul Blakey 1630c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1631d7a42ad0SRoi Dayan opt->type != U8_MAX) { 16320a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 16330a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 16340a7fcb78SPaul Blakey netdev_warn(priv->netdev, 16350a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1636e98bedf5SEli Britstein return -EOPNOTSUPP; 1637e98bedf5SEli Britstein } 1638bcef735cSOr Gerlitz } 1639bcef735cSOr Gerlitz 16400a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1641bbd00f7eSHadar Hen Zion } 1642bbd00f7eSHadar Hen Zion 1643bbd00f7eSHadar Hen Zion return 0; 1644bbd00f7eSHadar Hen Zion } 1645bbd00f7eSHadar Hen Zion 16460a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 16470a7fcb78SPaul Blakey ({ \ 16480a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 16490a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 16500a7fcb78SPaul Blakey \ 16510a7fcb78SPaul Blakey memcpy(__dst,\ 16520a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 16530a7fcb78SPaul Blakey diss_key,\ 16540a7fcb78SPaul Blakey __rule->match.key),\ 16550a7fcb78SPaul Blakey sizeof(*__dst));\ 16560a7fcb78SPaul Blakey }) 16570a7fcb78SPaul Blakey 16580a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 16590a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 16600a7fcb78SPaul Blakey struct flow_cls_offload *f, 16610a7fcb78SPaul Blakey struct net_device *filter_dev) 16628377629eSEli Britstein { 16630a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16640a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 16650a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 16660a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1667d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 16680a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1669c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 16700a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 16710a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 16720a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 16730a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 16740a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 16750a7fcb78SPaul Blakey u32 value, mask; 16760a7fcb78SPaul Blakey int err; 16770a7fcb78SPaul Blakey 16780a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 16790a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 16800a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 16810a7fcb78SPaul Blakey 16820a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 16830a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 16840a7fcb78SPaul Blakey &tunnel_key.enc_control); 16850a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 16860a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 16870a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 16880a7fcb78SPaul Blakey else 16890a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 16900a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 16910a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 16920a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 16930a7fcb78SPaul Blakey &tunnel_key.enc_tp); 16940a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 16950a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 16960a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 16970a7fcb78SPaul Blakey 16980a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 16990a7fcb78SPaul Blakey if (err) 17000a7fcb78SPaul Blakey return err; 17010a7fcb78SPaul Blakey 17020a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 17030a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 17040a7fcb78SPaul Blakey enc_opts_match.mask, 17050a7fcb78SPaul Blakey extack, 17060a7fcb78SPaul Blakey &enc_opts_is_dont_care); 17070a7fcb78SPaul Blakey if (err) 17080a7fcb78SPaul Blakey goto err_enc_opts; 17090a7fcb78SPaul Blakey 17100a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1711d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1712d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1713d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1714d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1715d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1716d7a42ad0SRoi Dayan 17170a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1718d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 17190a7fcb78SPaul Blakey if (err) 17200a7fcb78SPaul Blakey goto err_enc_opts; 17210a7fcb78SPaul Blakey } 17220a7fcb78SPaul Blakey 17230a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 17240a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 17250a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 17260a7fcb78SPaul Blakey 17270a7fcb78SPaul Blakey if (attr->chain) { 17280a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 17290a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 17300a7fcb78SPaul Blakey } else { 17310a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 17320a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1733aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 17340a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 17350a7fcb78SPaul Blakey if (err) 17360a7fcb78SPaul Blakey goto err_set; 17370a7fcb78SPaul Blakey 17380a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 17390a7fcb78SPaul Blakey } 17400a7fcb78SPaul Blakey 17410a7fcb78SPaul Blakey flow->tunnel_id = value; 17420a7fcb78SPaul Blakey return 0; 17430a7fcb78SPaul Blakey 17440a7fcb78SPaul Blakey err_set: 17450a7fcb78SPaul Blakey if (enc_opts_id) 17460a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 17470a7fcb78SPaul Blakey enc_opts_id); 17480a7fcb78SPaul Blakey err_enc_opts: 17490a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 17500a7fcb78SPaul Blakey return err; 17510a7fcb78SPaul Blakey } 17520a7fcb78SPaul Blakey 17530a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 17540a7fcb78SPaul Blakey { 17550a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 17560a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 17570a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 17580a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17590a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17600a7fcb78SPaul Blakey 17610a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 17620a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17630a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 17640a7fcb78SPaul Blakey 17650a7fcb78SPaul Blakey if (tun_id) 17660a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 17670a7fcb78SPaul Blakey if (enc_opts_id) 17680a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 17690a7fcb78SPaul Blakey enc_opts_id); 17700a7fcb78SPaul Blakey } 17710a7fcb78SPaul Blakey 17724c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 17734c3844d9SPaul Blakey { 17744c3844d9SPaul Blakey return flow->tunnel_id; 17754c3844d9SPaul Blakey } 17764c3844d9SPaul Blakey 1777fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1778fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1779fca53304SEli Britstein void *headers_c, void *headers_v) 17804a5d5d73SEli Britstein { 1781fca53304SEli Britstein bool ip_version_cap; 1782fca53304SEli Britstein 1783fca53304SEli Britstein ip_version_cap = outer ? 1784fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1785fca53304SEli Britstein ft_field_support.outer_ip_version) : 1786fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1787fca53304SEli Britstein ft_field_support.inner_ip_version); 1788fca53304SEli Britstein 1789fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1790fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1791fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1792fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1793fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1794fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1795fca53304SEli Britstein } else { 17964a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 17974a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 17984a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 17994a5d5d73SEli Britstein ntohs(match->key->n_proto)); 18004a5d5d73SEli Britstein } 1801fca53304SEli Britstein } 18024a5d5d73SEli Britstein 18030d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1804a508728aSVlad Buslov { 1805a508728aSVlad Buslov void *headers_v; 1806a508728aSVlad Buslov u16 ethertype; 1807a508728aSVlad Buslov u8 ip_version; 1808a508728aSVlad Buslov 1809a508728aSVlad Buslov if (outer) 1810a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1811a508728aSVlad Buslov else 1812a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1813a508728aSVlad Buslov 1814a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1815a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1816a508728aSVlad Buslov if (!ip_version) { 1817a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1818a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1819a508728aSVlad Buslov ip_version = 4; 1820a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1821a508728aSVlad Buslov ip_version = 6; 1822a508728aSVlad Buslov } 1823a508728aSVlad Buslov return ip_version; 1824a508728aSVlad Buslov } 1825a508728aSVlad Buslov 18260a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 18270a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18280a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 18290a7fcb78SPaul Blakey struct flow_cls_offload *f, 18300a7fcb78SPaul Blakey struct net_device *filter_dev, 18310a7fcb78SPaul Blakey u8 *match_level, 18320a7fcb78SPaul Blakey bool *match_inner) 18330a7fcb78SPaul Blakey { 1834a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 18350a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 18360a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18370a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 18380a7fcb78SPaul Blakey int err; 18390a7fcb78SPaul Blakey 18400a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 18410a7fcb78SPaul Blakey return -EOPNOTSUPP; 18420a7fcb78SPaul Blakey 1843c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1844c620b772SAriel Levkovich sets_mapping = !flow->attr->chain && flow_has_tc_fwd_action(f); 18450a7fcb78SPaul Blakey *match_inner = !needs_mapping; 18460a7fcb78SPaul Blakey 18470a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1848636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 18490a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1850636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 18510a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1852636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 18530a7fcb78SPaul Blakey return -EOPNOTSUPP; 18540a7fcb78SPaul Blakey } 18550a7fcb78SPaul Blakey 1856c620b772SAriel Levkovich if (!flow->attr->chain) { 18570a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 18580a7fcb78SPaul Blakey match_level); 18590a7fcb78SPaul Blakey if (err) { 18600a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 18610a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 18620a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18630a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 18640a7fcb78SPaul Blakey return err; 18650a7fcb78SPaul Blakey } 18660a7fcb78SPaul Blakey 186714e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 186814e6b038SEli Cohen * object 186914e6b038SEli Cohen */ 187014e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1871c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1872a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1873a508728aSVlad Buslov if (err) 1874a508728aSVlad Buslov return err; 1875a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 1876a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 1877a508728aSVlad Buslov 1878a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 1879a508728aSVlad Buslov if (!tmp_spec) { 1880a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 1881a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 1882a508728aSVlad Buslov return -ENOMEM; 1883a508728aSVlad Buslov } 1884a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 1885a508728aSVlad Buslov 1886a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 1887a508728aSVlad Buslov if (err) { 1888a508728aSVlad Buslov kvfree(tmp_spec); 1889a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 1890a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 1891a508728aSVlad Buslov return err; 1892a508728aSVlad Buslov } 1893a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 1894a508728aSVlad Buslov kvfree(tmp_spec); 1895a508728aSVlad Buslov if (err) 1896a508728aSVlad Buslov return err; 18970a7fcb78SPaul Blakey } 18980a7fcb78SPaul Blakey 18990a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 19000a7fcb78SPaul Blakey return 0; 19010a7fcb78SPaul Blakey 19020a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 19030a7fcb78SPaul Blakey } 19040a7fcb78SPaul Blakey 19050a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 19060a7fcb78SPaul Blakey { 19070a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19080a7fcb78SPaul Blakey inner_headers); 19090a7fcb78SPaul Blakey } 19100a7fcb78SPaul Blakey 19110a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 19120a7fcb78SPaul Blakey { 19130a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19140a7fcb78SPaul Blakey inner_headers); 19150a7fcb78SPaul Blakey } 19160a7fcb78SPaul Blakey 19170a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 19180a7fcb78SPaul Blakey { 19190a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19200a7fcb78SPaul Blakey outer_headers); 19210a7fcb78SPaul Blakey } 19220a7fcb78SPaul Blakey 19230a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 19240a7fcb78SPaul Blakey { 19250a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19268377629eSEli Britstein outer_headers); 19278377629eSEli Britstein } 19288377629eSEli Britstein 19298377629eSEli Britstein static void *get_match_headers_value(u32 flags, 19308377629eSEli Britstein struct mlx5_flow_spec *spec) 19318377629eSEli Britstein { 19328377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 19330a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 19340a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 19350a7fcb78SPaul Blakey } 19360a7fcb78SPaul Blakey 19370a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 19380a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 19390a7fcb78SPaul Blakey { 19400a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 19410a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 19420a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 19438377629eSEli Britstein } 19448377629eSEli Britstein 19456d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 19466d65bc64Swenxu struct flow_cls_offload *f) 19476d65bc64Swenxu { 19486d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19496d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 19506d65bc64Swenxu struct net_device *ingress_dev; 19516d65bc64Swenxu struct flow_match_meta match; 19526d65bc64Swenxu 19536d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 19546d65bc64Swenxu return 0; 19556d65bc64Swenxu 19566d65bc64Swenxu flow_rule_match_meta(rule, &match); 1957e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 1958e3e0f9b2Swenxu return 0; 1959e3e0f9b2Swenxu 19606d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 19616d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 1962a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 19636d65bc64Swenxu } 19646d65bc64Swenxu 19656d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 19666d65bc64Swenxu match.key->ingress_ifindex); 19676d65bc64Swenxu if (!ingress_dev) { 19686d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 19696d65bc64Swenxu "Can't find the ingress port to match on"); 1970a683012aSPablo Neira Ayuso return -ENOENT; 19716d65bc64Swenxu } 19726d65bc64Swenxu 19736d65bc64Swenxu if (ingress_dev != filter_dev) { 19746d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 19756d65bc64Swenxu "Can't match on the ingress filter port"); 1976a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 19776d65bc64Swenxu } 19786d65bc64Swenxu 19796d65bc64Swenxu return 0; 19806d65bc64Swenxu } 19816d65bc64Swenxu 198272046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 198372046a91SEli Cohen struct flow_cls_offload *f) 198472046a91SEli Cohen { 198572046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 198672046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 198772046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 198872046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 198972046a91SEli Cohen */ 199072046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 199172046a91SEli Cohen return true; 199272046a91SEli Cohen 199372046a91SEli Cohen return false; 199472046a91SEli Cohen } 199572046a91SEli Cohen 1996de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 19970a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 1998de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1999f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 200054c177caSOz Shlomo struct net_device *filter_dev, 200193b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2002e3a2b7edSAmir Vadai { 2003e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2004c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2005c5bb1730SMaor Gottlieb outer_headers); 2006c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2007c5bb1730SMaor Gottlieb outer_headers); 2008699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2009699e96ddSJianbo Liu misc_parameters); 2010699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2011699e96ddSJianbo Liu misc_parameters); 2012a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2013a3222a2dSMaor Dickman misc_parameters_3); 2014a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2015a3222a2dSMaor Dickman misc_parameters_3); 2016f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20178f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2018afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2019e3a2b7edSAmir Vadai u16 addr_type = 0; 2020e3a2b7edSAmir Vadai u8 ip_proto = 0; 202193b3586eSHuy Nguyen u8 *match_level; 20226d65bc64Swenxu int err; 2023e3a2b7edSAmir Vadai 2024afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 202593b3586eSHuy Nguyen match_level = outer_match_level; 2026de0af0bfSRoi Dayan 20278f256622SPablo Neira Ayuso if (dissector->used_keys & 20283d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 20293d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2030e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2031e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2032095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2033699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2034e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2035e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2036bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2037bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2038bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2039bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2040bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2041e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2042fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2043bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 20444c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 20459272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 204672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2047a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 204872046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2049e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 205048470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 20518f256622SPablo Neira Ayuso dissector->used_keys); 2052e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2053e3a2b7edSAmir Vadai } 2054e3a2b7edSAmir Vadai 2055075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 20560a7fcb78SPaul Blakey bool match_inner = false; 2057bbd00f7eSHadar Hen Zion 20580a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 20590a7fcb78SPaul Blakey outer_match_level, &match_inner); 20600a7fcb78SPaul Blakey if (err) 20610a7fcb78SPaul Blakey return err; 20620a7fcb78SPaul Blakey 20630a7fcb78SPaul Blakey if (match_inner) { 20640a7fcb78SPaul Blakey /* header pointers should point to the inner headers 20650a7fcb78SPaul Blakey * if the packet was decapsulated already. 20660a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2067bbd00f7eSHadar Hen Zion */ 206893b3586eSHuy Nguyen match_level = inner_match_level; 20690a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 20700a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 20710a7fcb78SPaul Blakey } 2072bbd00f7eSHadar Hen Zion } 2073bbd00f7eSHadar Hen Zion 20746d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 20756d65bc64Swenxu if (err) 20766d65bc64Swenxu return err; 20776d65bc64Swenxu 207872046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 207972046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 20808f256622SPablo Neira Ayuso struct flow_match_basic match; 2081e3a2b7edSAmir Vadai 20828f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2083fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2084fca53304SEli Britstein match_level == outer_match_level, 2085fca53304SEli Britstein headers_c, headers_v); 20868f256622SPablo Neira Ayuso 20878f256622SPablo Neira Ayuso if (match.mask->n_proto) 2088d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2089e3a2b7edSAmir Vadai } 209035a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 209135a605dbSEli Britstein is_vlan_dev(filter_dev)) { 209235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 209335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 20948f256622SPablo Neira Ayuso struct flow_match_vlan match; 20958f256622SPablo Neira Ayuso 209635a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 209735a605dbSEli Britstein match.key = &filter_dev_key; 209835a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 209935a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 210035a605dbSEli Britstein match.key->vlan_priority = 0; 210135a605dbSEli Britstein match.mask = &filter_dev_mask; 210235a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 210335a605dbSEli Britstein match.mask->vlan_priority = 0; 210435a605dbSEli Britstein } else { 21058f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 210635a605dbSEli Britstein } 21078f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21088f256622SPablo Neira Ayuso match.mask->vlan_priority || 21098f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21108f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2111699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2112699e96ddSJianbo Liu svlan_tag, 1); 2113699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2114699e96ddSJianbo Liu svlan_tag, 1); 2115699e96ddSJianbo Liu } else { 2116699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2117699e96ddSJianbo Liu cvlan_tag, 1); 2118699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2119699e96ddSJianbo Liu cvlan_tag, 1); 2120699e96ddSJianbo Liu } 2121095b6cfdSOr Gerlitz 21228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 21238f256622SPablo Neira Ayuso match.mask->vlan_id); 21248f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 21258f256622SPablo Neira Ayuso match.key->vlan_id); 2126358d79a4SOr Gerlitz 21278f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 21288f256622SPablo Neira Ayuso match.mask->vlan_priority); 21298f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 21308f256622SPablo Neira Ayuso match.key->vlan_priority); 213154782900SOr Gerlitz 2132d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2133095b6cfdSOr Gerlitz } 2134d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2135fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2136fc603294SMark Bloch * disabled in match value means both S & C tags 2137fc603294SMark Bloch * don't exist (untagged of both) 2138fc603294SMark Bloch */ 2139cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2140d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2141095b6cfdSOr Gerlitz } 2142095b6cfdSOr Gerlitz 21438f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 21448f256622SPablo Neira Ayuso struct flow_match_vlan match; 21458f256622SPablo Neira Ayuso 214612d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 21478f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21488f256622SPablo Neira Ayuso match.mask->vlan_priority || 21498f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2150afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2151afe93f71SRoi Dayan fs_type)) { 2152afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2153afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2154afe93f71SRoi Dayan return -EOPNOTSUPP; 2155afe93f71SRoi Dayan } 2156afe93f71SRoi Dayan 21578f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2158699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2159699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2160699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2161699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2162699e96ddSJianbo Liu } else { 2163699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2164699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2165699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2166699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2167699e96ddSJianbo Liu } 2168699e96ddSJianbo Liu 2169699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 21708f256622SPablo Neira Ayuso match.mask->vlan_id); 2171699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 21728f256622SPablo Neira Ayuso match.key->vlan_id); 2173699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 21748f256622SPablo Neira Ayuso match.mask->vlan_priority); 2175699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 21768f256622SPablo Neira Ayuso match.key->vlan_priority); 2177699e96ddSJianbo Liu 2178699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 21790faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2180699e96ddSJianbo Liu } 2181699e96ddSJianbo Liu } 2182699e96ddSJianbo Liu 21838f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 21848f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 218554782900SOr Gerlitz 21868f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2187d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2188d3a80bb5SOr Gerlitz dmac_47_16), 21898f256622SPablo Neira Ayuso match.mask->dst); 2190d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2191d3a80bb5SOr Gerlitz dmac_47_16), 21928f256622SPablo Neira Ayuso match.key->dst); 2193d3a80bb5SOr Gerlitz 2194d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2195d3a80bb5SOr Gerlitz smac_47_16), 21968f256622SPablo Neira Ayuso match.mask->src); 2197d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2198d3a80bb5SOr Gerlitz smac_47_16), 21998f256622SPablo Neira Ayuso match.key->src); 2200d3a80bb5SOr Gerlitz 22018f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22028f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2203d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 220454782900SOr Gerlitz } 220554782900SOr Gerlitz 22068f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22078f256622SPablo Neira Ayuso struct flow_match_control match; 220854782900SOr Gerlitz 22098f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22108f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 221154782900SOr Gerlitz 221254782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22138f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 221454782900SOr Gerlitz return -EOPNOTSUPP; 221554782900SOr Gerlitz 22168f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 221754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 221854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22198f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 222054782900SOr Gerlitz 222154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 22228f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 222383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 222454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 222554782900SOr Gerlitz else 222683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 222754782900SOr Gerlitz } 222854782900SOr Gerlitz } 222954782900SOr Gerlitz 22308f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 22318f256622SPablo Neira Ayuso struct flow_match_basic match; 22328f256622SPablo Neira Ayuso 22338f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 22348f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 223554782900SOr Gerlitz 223654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 22378f256622SPablo Neira Ayuso match.mask->ip_proto); 223854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 22398f256622SPablo Neira Ayuso match.key->ip_proto); 224054782900SOr Gerlitz 22418f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2242d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 224354782900SOr Gerlitz } 224454782900SOr Gerlitz 2245e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 22468f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2247e3a2b7edSAmir Vadai 22488f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2249e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2250e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 22518f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2252e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2253e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 22548f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2255e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2256e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 22578f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2258e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2259e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 22608f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2261de0af0bfSRoi Dayan 22628f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2263d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2264e3a2b7edSAmir Vadai } 2265e3a2b7edSAmir Vadai 2266e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 22678f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2268e3a2b7edSAmir Vadai 22698f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2270e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2271e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 22728f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2273e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2274e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 22758f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2276e3a2b7edSAmir Vadai 2277e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2278e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 22798f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2280e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2281e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 22828f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2283de0af0bfSRoi Dayan 22848f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 22858f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2286d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2287e3a2b7edSAmir Vadai } 2288e3a2b7edSAmir Vadai 22898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 22908f256622SPablo Neira Ayuso struct flow_match_ip match; 22911f97a526SOr Gerlitz 22928f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 22938f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 22948f256622SPablo Neira Ayuso match.mask->tos & 0x3); 22958f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 22968f256622SPablo Neira Ayuso match.key->tos & 0x3); 22971f97a526SOr Gerlitz 22988f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 22998f256622SPablo Neira Ayuso match.mask->tos >> 2); 23008f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23018f256622SPablo Neira Ayuso match.key->tos >> 2); 23021f97a526SOr Gerlitz 23038f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23048f256622SPablo Neira Ayuso match.mask->ttl); 23058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23068f256622SPablo Neira Ayuso match.key->ttl); 23071f97a526SOr Gerlitz 23088f256622SPablo Neira Ayuso if (match.mask->ttl && 2309a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2310e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2311e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2312e98bedf5SEli Britstein "Matching on TTL is not supported"); 23131f97a526SOr Gerlitz return -EOPNOTSUPP; 2314e98bedf5SEli Britstein } 2315a8ade55fSOr Gerlitz 23168f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2317d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23181f97a526SOr Gerlitz } 23191f97a526SOr Gerlitz 232054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 232154782900SOr Gerlitz 23228f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 23238f256622SPablo Neira Ayuso struct flow_match_ports match; 23248f256622SPablo Neira Ayuso 23258f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2326e3a2b7edSAmir Vadai switch (ip_proto) { 2327e3a2b7edSAmir Vadai case IPPROTO_TCP: 2328e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23298f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2330e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23318f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2332e3a2b7edSAmir Vadai 2333e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23348f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2335e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23368f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2337e3a2b7edSAmir Vadai break; 2338e3a2b7edSAmir Vadai 2339e3a2b7edSAmir Vadai case IPPROTO_UDP: 2340e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23418f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2342e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23438f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2344e3a2b7edSAmir Vadai 2345e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23468f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2347e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23488f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2349e3a2b7edSAmir Vadai break; 2350e3a2b7edSAmir Vadai default: 2351e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2352e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2353e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2354e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2355e3a2b7edSAmir Vadai return -EINVAL; 2356e3a2b7edSAmir Vadai } 2357de0af0bfSRoi Dayan 23588f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2359d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2360e3a2b7edSAmir Vadai } 2361e3a2b7edSAmir Vadai 23628f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 23638f256622SPablo Neira Ayuso struct flow_match_tcp match; 2364e77834ecSOr Gerlitz 23658f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2366e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 23678f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2368e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 23698f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2370e77834ecSOr Gerlitz 23718f256622SPablo Neira Ayuso if (match.mask->flags) 2372d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2373e77834ecSOr Gerlitz } 2374a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2375a3222a2dSMaor Dickman struct flow_match_icmp match; 2376e77834ecSOr Gerlitz 2377a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2378a3222a2dSMaor Dickman switch (ip_proto) { 2379a3222a2dSMaor Dickman case IPPROTO_ICMP: 2380a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2381a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMP)) 2382a3222a2dSMaor Dickman return -EOPNOTSUPP; 2383a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2384a3222a2dSMaor Dickman match.mask->type); 2385a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2386a3222a2dSMaor Dickman match.key->type); 2387a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2388a3222a2dSMaor Dickman match.mask->code); 2389a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2390a3222a2dSMaor Dickman match.key->code); 2391a3222a2dSMaor Dickman break; 2392a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2393a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2394a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMPV6)) 2395a3222a2dSMaor Dickman return -EOPNOTSUPP; 2396a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2397a3222a2dSMaor Dickman match.mask->type); 2398a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2399a3222a2dSMaor Dickman match.key->type); 2400a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2401a3222a2dSMaor Dickman match.mask->code); 2402a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2403a3222a2dSMaor Dickman match.key->code); 2404a3222a2dSMaor Dickman break; 2405a3222a2dSMaor Dickman default: 2406a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2407a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2408a3222a2dSMaor Dickman netdev_err(priv->netdev, 2409a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2410a3222a2dSMaor Dickman return -EINVAL; 2411a3222a2dSMaor Dickman } 2412a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2413a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2414a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2415a3222a2dSMaor Dickman } 2416a3222a2dSMaor Dickman } 24177d6c86e3SAlaa Hleihel /* Currenlty supported only for MPLS over UDP */ 24187d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 24197d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 24207d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 24217d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 24227d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 24237d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 24247d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 24257d6c86e3SAlaa Hleihel } 24267d6c86e3SAlaa Hleihel 2427e3a2b7edSAmir Vadai return 0; 2428e3a2b7edSAmir Vadai } 2429e3a2b7edSAmir Vadai 2430de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 243165ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2432de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2433f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 243454c177caSOz Shlomo struct net_device *filter_dev) 2435de0af0bfSRoi Dayan { 243693b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2437e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2438de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2439de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24401d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 24411d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2442226f2ca3SVlad Buslov bool is_eswitch_flow; 2443de0af0bfSRoi Dayan int err; 2444de0af0bfSRoi Dayan 244593b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 244693b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 244793b3586eSHuy Nguyen 24480a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 24490a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 245093b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 245193b3586eSHuy Nguyen outer_match_level : inner_match_level; 2452de0af0bfSRoi Dayan 2453226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2454226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 24551d447a39SSaeed Mahameed rep = rpriv->rep; 2456b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24571d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 245893b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2459e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2460e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2461de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2462de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 246393b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2464de0af0bfSRoi Dayan return -EOPNOTSUPP; 2465de0af0bfSRoi Dayan } 2466de0af0bfSRoi Dayan } 2467de0af0bfSRoi Dayan 2468c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2469c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2470c620b772SAriel Levkovich 247138aa51c1SOr Gerlitz 2472de0af0bfSRoi Dayan return err; 2473de0af0bfSRoi Dayan } 2474de0af0bfSRoi Dayan 2475d79b6df6SOr Gerlitz struct pedit_headers { 2476d79b6df6SOr Gerlitz struct ethhdr eth; 24770eb69bb9SEli Britstein struct vlan_hdr vlan; 2478d79b6df6SOr Gerlitz struct iphdr ip4; 2479d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2480d79b6df6SOr Gerlitz struct tcphdr tcp; 2481d79b6df6SOr Gerlitz struct udphdr udp; 2482d79b6df6SOr Gerlitz }; 2483d79b6df6SOr Gerlitz 2484c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2485c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2486c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2487c500c86bSPablo Neira Ayuso u32 pedits; 2488c500c86bSPablo Neira Ayuso }; 2489c500c86bSPablo Neira Ayuso 2490d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 249173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 249273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 249373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 249473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 249573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2496d79b6df6SOr Gerlitz }; 2497d79b6df6SOr Gerlitz 2498d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2499d79b6df6SOr Gerlitz 2500d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2501c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2502d79b6df6SOr Gerlitz { 2503d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2504d79b6df6SOr Gerlitz 2505c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2506c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2507d79b6df6SOr Gerlitz 2508d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2509d79b6df6SOr Gerlitz goto out_err; 2510d79b6df6SOr Gerlitz 2511d79b6df6SOr Gerlitz *curr_pmask |= mask; 2512d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2513d79b6df6SOr Gerlitz 2514d79b6df6SOr Gerlitz return 0; 2515d79b6df6SOr Gerlitz 2516d79b6df6SOr Gerlitz out_err: 2517d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2518d79b6df6SOr Gerlitz } 2519d79b6df6SOr Gerlitz 2520d79b6df6SOr Gerlitz struct mlx5_fields { 2521d79b6df6SOr Gerlitz u8 field; 252288f30bbcSDmytro Linkin u8 field_bsize; 252388f30bbcSDmytro Linkin u32 field_mask; 2524d79b6df6SOr Gerlitz u32 offset; 252527c11b6bSEli Britstein u32 match_offset; 2526d79b6df6SOr Gerlitz }; 2527d79b6df6SOr Gerlitz 252888f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 252988f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 253027c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 253127c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 253227c11b6bSEli Britstein 25332ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25342ef86872SEli Britstein * match. 25352ef86872SEli Britstein */ 25362ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25372ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25382ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25392ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25402ef86872SEli Britstein type valx = *(type *)(valp); \ 25412ef86872SEli Britstein \ 25422ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 25432ef86872SEli Britstein matchmaskx)); \ 25442ef86872SEli Britstein }) 25452ef86872SEli Britstein 254627c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 254788f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 254827c11b6bSEli Britstein { 254927c11b6bSEli Britstein bool same = false; 255027c11b6bSEli Britstein 255188f30bbcSDmytro Linkin switch (bsize) { 255288f30bbcSDmytro Linkin case 8: 25532ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 255427c11b6bSEli Britstein break; 255588f30bbcSDmytro Linkin case 16: 25562ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 255727c11b6bSEli Britstein break; 255888f30bbcSDmytro Linkin case 32: 25592ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 256027c11b6bSEli Britstein break; 256127c11b6bSEli Britstein } 256227c11b6bSEli Britstein 256327c11b6bSEli Britstein return same; 256427c11b6bSEli Britstein } 2565a8e4f0c4SOr Gerlitz 2566d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 256788f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 256888f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 256988f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 257088f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 257188f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 257288f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2573d79b6df6SOr Gerlitz 2574ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 257588f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 257688f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 257788f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2578d79b6df6SOr Gerlitz 257988f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 258027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 258188f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 258227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 258388f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 258427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 258588f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 258627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 258788f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 258827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 258988f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 259027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 259188f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 259227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 259388f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 259427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 259588f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2596748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2597d79b6df6SOr Gerlitz 259888f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 259988f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 260088f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 260188f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2602d79b6df6SOr Gerlitz 260388f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 260488f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2605d79b6df6SOr Gerlitz }; 2606d79b6df6SOr Gerlitz 260782198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 260882198d8bSMaor Dickman { 260982198d8bSMaor Dickman __be32 mask_be32; 261082198d8bSMaor Dickman __be16 mask_be16; 261182198d8bSMaor Dickman 261282198d8bSMaor Dickman if (size == 32) { 261382198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 261482198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 261582198d8bSMaor Dickman } else if (size == 16) { 261682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 261782198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 261882198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 261982198d8bSMaor Dickman } 262082198d8bSMaor Dickman 262182198d8bSMaor Dickman return mask; 262282198d8bSMaor Dickman } 26236ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26246ae4a6a5SPaul Blakey int namespace, 26256ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2626e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 262727c11b6bSEli Britstein u32 *action_flags, 2628e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2629d79b6df6SOr Gerlitz { 2630d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26316ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 263288f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 263388f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26346ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2635d79b6df6SOr Gerlitz struct mlx5_fields *f; 263682198d8bSMaor Dickman unsigned long mask, field_mask; 26376ae4a6a5SPaul Blakey int err; 263888f30bbcSDmytro Linkin u8 cmd; 263988f30bbcSDmytro Linkin 26406ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 264188f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 264288f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2643d79b6df6SOr Gerlitz 264473867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 264573867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 264673867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 264773867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2648d79b6df6SOr Gerlitz 2649d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2650d79b6df6SOr Gerlitz 2651d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 265227c11b6bSEli Britstein bool skip; 265327c11b6bSEli Britstein 2654d79b6df6SOr Gerlitz f = &fields[i]; 2655d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2656e3ca4e05SOr Gerlitz s_mask = 0; 2657e3ca4e05SOr Gerlitz a_mask = 0; 2658d79b6df6SOr Gerlitz 2659d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2660d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2661d79b6df6SOr Gerlitz 266288f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 266388f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2664d79b6df6SOr Gerlitz 2665d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2666d79b6df6SOr Gerlitz continue; 2667d79b6df6SOr Gerlitz 2668d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2669e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2670e98bedf5SEli Britstein "can't set and add to the same HW field"); 2671d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2672d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2673d79b6df6SOr Gerlitz } 2674d79b6df6SOr Gerlitz 267527c11b6bSEli Britstein skip = false; 2676d79b6df6SOr Gerlitz if (s_mask) { 267727c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 267827c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 267927c11b6bSEli Britstein 2680d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2681d79b6df6SOr Gerlitz mask = s_mask; 2682d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 268327c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 268427c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 268588f30bbcSDmytro Linkin match_mask, f->field_bsize)) 268627c11b6bSEli Britstein skip = true; 2687d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 268888f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2689d79b6df6SOr Gerlitz } else { 2690d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2691d79b6df6SOr Gerlitz mask = a_mask; 2692d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 269327c11b6bSEli Britstein /* add 0 is no change */ 269488f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 269527c11b6bSEli Britstein skip = true; 2696d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 269788f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2698d79b6df6SOr Gerlitz } 269927c11b6bSEli Britstein if (skip) 270027c11b6bSEli Britstein continue; 2701d79b6df6SOr Gerlitz 270282198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 27032b64bebaSOr Gerlitz 270488f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 270588f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 270688f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27072b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2708e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2709e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 27102b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2711d79b6df6SOr Gerlitz mask); 2712d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2713d79b6df6SOr Gerlitz } 2714d79b6df6SOr Gerlitz 27156ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27166ae4a6a5SPaul Blakey if (err) { 27176ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27186ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27196ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27206ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27216ae4a6a5SPaul Blakey mod_acts->num_actions); 27226ae4a6a5SPaul Blakey return err; 27236ae4a6a5SPaul Blakey } 27246ae4a6a5SPaul Blakey 27256ae4a6a5SPaul Blakey action = mod_acts->actions + 27266ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2727d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2728d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2729d79b6df6SOr Gerlitz 2730d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 273188f30bbcSDmytro Linkin int start; 273288f30bbcSDmytro Linkin 273382198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 273482198d8bSMaor Dickman 273588f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 273682198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 273788f30bbcSDmytro Linkin 273888f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2739d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 27402b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2741d79b6df6SOr Gerlitz } 2742d79b6df6SOr Gerlitz 274388f30bbcSDmytro Linkin if (f->field_bsize == 32) 27442b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 274588f30bbcSDmytro Linkin else if (f->field_bsize == 16) 27462b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 274788f30bbcSDmytro Linkin else if (f->field_bsize == 8) 27482b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2749d79b6df6SOr Gerlitz 27506ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2751d79b6df6SOr Gerlitz } 2752d79b6df6SOr Gerlitz 2753d79b6df6SOr Gerlitz return 0; 2754d79b6df6SOr Gerlitz } 2755d79b6df6SOr Gerlitz 27562cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27572cc1cb1dSTonghao Zhang int namespace) 27582cc1cb1dSTonghao Zhang { 27592cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27602cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27612cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27622cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 27632cc1cb1dSTonghao Zhang } 27642cc1cb1dSTonghao Zhang 27656ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2766c500c86bSPablo Neira Ayuso int namespace, 27676ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2768d79b6df6SOr Gerlitz { 27696ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 27706ae4a6a5SPaul Blakey size_t new_sz, old_sz; 27716ae4a6a5SPaul Blakey void *ret; 2772d79b6df6SOr Gerlitz 27736ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 27746ae4a6a5SPaul Blakey return 0; 27756ae4a6a5SPaul Blakey 2776d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2777d79b6df6SOr Gerlitz 27786ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 27796ae4a6a5SPaul Blakey namespace); 27806ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 27816ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 27826ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 27836ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 27846ae4a6a5SPaul Blakey return -ENOSPC; 2785d79b6df6SOr Gerlitz 27866ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 27876ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 27886ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 27896ae4a6a5SPaul Blakey if (!ret) 2790d79b6df6SOr Gerlitz return -ENOMEM; 2791d79b6df6SOr Gerlitz 27926ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 27936ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 27946ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 27956ae4a6a5SPaul Blakey 2796d79b6df6SOr Gerlitz return 0; 2797d79b6df6SOr Gerlitz } 2798d79b6df6SOr Gerlitz 27996ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28006ae4a6a5SPaul Blakey { 28016ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28026ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28036ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28046ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28056ae4a6a5SPaul Blakey } 28066ae4a6a5SPaul Blakey 2807d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2808d79b6df6SOr Gerlitz 2809582234b4SEli Cohen static int 2810582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 281173867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2812582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2813c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2814e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2815d79b6df6SOr Gerlitz { 281673867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 281773867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2818d79b6df6SOr Gerlitz u32 mask, val, offset; 281973867881SPablo Neira Ayuso u8 htype; 2820d79b6df6SOr Gerlitz 282173867881SPablo Neira Ayuso htype = act->mangle.htype; 2822d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2823d79b6df6SOr Gerlitz 282473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 282573867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2826d79b6df6SOr Gerlitz goto out_err; 2827d79b6df6SOr Gerlitz } 2828d79b6df6SOr Gerlitz 28292cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28302cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28312cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28322cc1cb1dSTonghao Zhang goto out_err; 28332cc1cb1dSTonghao Zhang } 28342cc1cb1dSTonghao Zhang 283573867881SPablo Neira Ayuso mask = act->mangle.mask; 283673867881SPablo Neira Ayuso val = act->mangle.val; 283773867881SPablo Neira Ayuso offset = act->mangle.offset; 2838d79b6df6SOr Gerlitz 2839c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2840d79b6df6SOr Gerlitz if (err) 2841d79b6df6SOr Gerlitz goto out_err; 2842c500c86bSPablo Neira Ayuso 2843c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2844d79b6df6SOr Gerlitz 2845c500c86bSPablo Neira Ayuso return 0; 2846c500c86bSPablo Neira Ayuso out_err: 2847c500c86bSPablo Neira Ayuso return err; 2848c500c86bSPablo Neira Ayuso } 2849c500c86bSPablo Neira Ayuso 2850582234b4SEli Cohen static int 2851582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2852582234b4SEli Cohen const struct flow_action_entry *act, 2853582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2854582234b4SEli Cohen struct netlink_ext_ack *extack) 2855582234b4SEli Cohen { 2856582234b4SEli Cohen u32 mask, val, offset; 2857582234b4SEli Cohen u32 *p; 2858582234b4SEli Cohen 2859582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2860582234b4SEli Cohen return -EOPNOTSUPP; 2861582234b4SEli Cohen 2862582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2863582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2864582234b4SEli Cohen return -EOPNOTSUPP; 2865582234b4SEli Cohen } 2866582234b4SEli Cohen 2867582234b4SEli Cohen mask = ~act->mangle.mask; 2868582234b4SEli Cohen val = act->mangle.val; 2869582234b4SEli Cohen offset = act->mangle.offset; 2870582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2871582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2872582234b4SEli Cohen 2873582234b4SEli Cohen return 0; 2874582234b4SEli Cohen } 2875582234b4SEli Cohen 2876582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2877582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2878582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2879582234b4SEli Cohen struct pedit_headers_action *hdrs, 2880582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2881582234b4SEli Cohen struct netlink_ext_ack *extack) 2882582234b4SEli Cohen { 2883582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 2884582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 2885582234b4SEli Cohen 2886582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2887582234b4SEli Cohen parse_attr, hdrs, extack); 2888582234b4SEli Cohen } 2889582234b4SEli Cohen 2890c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2891c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2892c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 289327c11b6bSEli Britstein u32 *action_flags, 2894c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2895c500c86bSPablo Neira Ayuso { 2896c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2897c500c86bSPablo Neira Ayuso int err; 2898c500c86bSPablo Neira Ayuso u8 cmd; 2899c500c86bSPablo Neira Ayuso 29006ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29016ae4a6a5SPaul Blakey action_flags, extack); 2902d79b6df6SOr Gerlitz if (err < 0) 2903d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2904d79b6df6SOr Gerlitz 2905d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2906c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2907d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2908e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2909e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2910b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2911d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2912d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2913d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2914d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2915d79b6df6SOr Gerlitz } 2916d79b6df6SOr Gerlitz } 2917d79b6df6SOr Gerlitz 2918d79b6df6SOr Gerlitz return 0; 2919d79b6df6SOr Gerlitz 2920d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29216ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2922d79b6df6SOr Gerlitz return err; 2923d79b6df6SOr Gerlitz } 2924d79b6df6SOr Gerlitz 2925e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2926e98bedf5SEli Britstein u32 action, 2927e98bedf5SEli Britstein u32 update_flags, 2928e98bedf5SEli Britstein struct netlink_ext_ack *extack) 292926c02749SOr Gerlitz { 293026c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 293126c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 293226c02749SOr Gerlitz 293326c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 293426c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2935e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2936e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 293726c02749SOr Gerlitz netdev_warn(priv->netdev, 293826c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 293926c02749SOr Gerlitz return false; 294026c02749SOr Gerlitz } 294126c02749SOr Gerlitz 294226c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2943e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2944e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 294526c02749SOr Gerlitz netdev_warn(priv->netdev, 294626c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 294726c02749SOr Gerlitz update_flags); 294826c02749SOr Gerlitz return false; 294926c02749SOr Gerlitz } 295026c02749SOr Gerlitz 295126c02749SOr Gerlitz return true; 295226c02749SOr Gerlitz } 295326c02749SOr Gerlitz 29548998576bSDmytro Linkin struct ip_ttl_word { 29558998576bSDmytro Linkin __u8 ttl; 29568998576bSDmytro Linkin __u8 protocol; 29578998576bSDmytro Linkin __sum16 check; 29588998576bSDmytro Linkin }; 29598998576bSDmytro Linkin 29608998576bSDmytro Linkin struct ipv6_hoplimit_word { 29618998576bSDmytro Linkin __be16 payload_len; 29628998576bSDmytro Linkin __u8 nexthdr; 29638998576bSDmytro Linkin __u8 hop_limit; 29648998576bSDmytro Linkin }; 29658998576bSDmytro Linkin 29664c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 29674c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 29687e36feebSPaul Blakey bool *modify_tuple, 29694c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29708998576bSDmytro Linkin { 29718998576bSDmytro Linkin u32 mask, offset; 29728998576bSDmytro Linkin u8 htype; 29738998576bSDmytro Linkin 29748998576bSDmytro Linkin htype = act->mangle.htype; 29758998576bSDmytro Linkin offset = act->mangle.offset; 29768998576bSDmytro Linkin mask = ~act->mangle.mask; 29778998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 29788998576bSDmytro Linkin * to determine that modified fields 29798998576bSDmytro Linkin * are NOT ttl & hop_limit only. 29808998576bSDmytro Linkin */ 29818998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29828998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29838998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29848998576bSDmytro Linkin 29858998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29868998576bSDmytro Linkin ttl_word->protocol || 29878998576bSDmytro Linkin ttl_word->check) { 29884c3844d9SPaul Blakey *modify_ip_header = true; 29894c3844d9SPaul Blakey } 29904c3844d9SPaul Blakey 29917e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 29927e36feebSPaul Blakey *modify_tuple = true; 29937e36feebSPaul Blakey 29947e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 29954c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29964c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 29974c3844d9SPaul Blakey return -EOPNOTSUPP; 29988998576bSDmytro Linkin } 29998998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30008998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30018998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30028998576bSDmytro Linkin 30038998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30048998576bSDmytro Linkin hoplimit_word->payload_len || 30058998576bSDmytro Linkin hoplimit_word->nexthdr) { 30064c3844d9SPaul Blakey *modify_ip_header = true; 30078998576bSDmytro Linkin } 30084c3844d9SPaul Blakey 30097e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30107e36feebSPaul Blakey *modify_tuple = true; 30117e36feebSPaul Blakey 30127e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30134c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30144c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30154c3844d9SPaul Blakey return -EOPNOTSUPP; 30168998576bSDmytro Linkin } 30177e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30187e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 30197e36feebSPaul Blakey *modify_tuple = true; 30207e36feebSPaul Blakey if (ct_flow) { 30214c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30224c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30234c3844d9SPaul Blakey return -EOPNOTSUPP; 30244c3844d9SPaul Blakey } 30257e36feebSPaul Blakey } 30264c3844d9SPaul Blakey 30274c3844d9SPaul Blakey return 0; 30288998576bSDmytro Linkin } 30298998576bSDmytro Linkin 303096b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 303196b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 303296b5b458SDima Chumak struct mlx5e_priv *priv, 303396b5b458SDima Chumak struct mlx5_flow_spec *spec) 303496b5b458SDima Chumak { 303596b5b458SDima Chumak if (!modify_tuple || ct_clear) 303696b5b458SDima Chumak return true; 303796b5b458SDima Chumak 303896b5b458SDima Chumak if (ct_flow) { 303996b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 304096b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 304196b5b458SDima Chumak netdev_info(priv->netdev, 304296b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 304396b5b458SDima Chumak return false; 304496b5b458SDima Chumak } 304596b5b458SDima Chumak 304696b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 304796b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 304896b5b458SDima Chumak * we can't restore ct state 304996b5b458SDima Chumak */ 305096b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 305196b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 305296b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 305396b5b458SDima Chumak netdev_info(priv->netdev, 305496b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 305596b5b458SDima Chumak return false; 305696b5b458SDima Chumak } 305796b5b458SDima Chumak 305896b5b458SDima Chumak return true; 305996b5b458SDima Chumak } 306096b5b458SDima Chumak 30613d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 30623d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 306373867881SPablo Neira Ayuso struct flow_action *flow_action, 30644c3844d9SPaul Blakey u32 actions, bool ct_flow, 30657e36feebSPaul Blakey bool ct_clear, 3066e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3067bdd66ac0SOr Gerlitz { 306873867881SPablo Neira Ayuso const struct flow_action_entry *act; 30697e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3070fca53304SEli Britstein void *headers_c; 3071bdd66ac0SOr Gerlitz void *headers_v; 3072bdd66ac0SOr Gerlitz u16 ethertype; 30738998576bSDmytro Linkin u8 ip_proto; 30744c3844d9SPaul Blakey int i, err; 3075bdd66ac0SOr Gerlitz 3076fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 30778377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3078bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3079bdd66ac0SOr Gerlitz 3080bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3081fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3082fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3083bdd66ac0SOr Gerlitz goto out_ok; 3084bdd66ac0SOr Gerlitz 3085bdd66ac0SOr Gerlitz modify_ip_header = false; 30867e36feebSPaul Blakey modify_tuple = false; 308773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 308873867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 308973867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3090bdd66ac0SOr Gerlitz continue; 3091bdd66ac0SOr Gerlitz 30924c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30937e36feebSPaul Blakey &modify_ip_header, 30947e36feebSPaul Blakey &modify_tuple, extack); 30954c3844d9SPaul Blakey if (err) 30964c3844d9SPaul Blakey return err; 3097bdd66ac0SOr Gerlitz } 3098bdd66ac0SOr Gerlitz 309996b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 310096b5b458SDima Chumak priv, spec)) 31017e36feebSPaul Blakey return false; 31027e36feebSPaul Blakey 3103bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31041ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31051ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3106e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3107e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 31083d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 31093d486ec4SOz Shlomo ip_proto); 3110bdd66ac0SOr Gerlitz return false; 3111bdd66ac0SOr Gerlitz } 3112bdd66ac0SOr Gerlitz 3113bdd66ac0SOr Gerlitz out_ok: 3114bdd66ac0SOr Gerlitz return true; 3115bdd66ac0SOr Gerlitz } 3116bdd66ac0SOr Gerlitz 3117bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 311873867881SPablo Neira Ayuso struct flow_action *flow_action, 3119bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3120e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3121e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3122bdd66ac0SOr Gerlitz { 3123a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3124bdd66ac0SOr Gerlitz u32 actions; 3125bdd66ac0SOr Gerlitz 3126c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3127a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3128a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3129c620b772SAriel Levkovich actions = flow->attr->action; 3130c620b772SAriel Levkovich 3131c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 313269e2916eSPaul Blakey if (flow->attr->esw_attr->split_count && ct_flow && 313369e2916eSPaul Blakey !MLX5_CAP_GEN(flow->attr->esw_attr->in_mdev, reg_c_preserve)) { 31344c3844d9SPaul Blakey /* All registers used by ct are cleared when using 31354c3844d9SPaul Blakey * split rules. 31364c3844d9SPaul Blakey */ 31374c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31384c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 313949397b80SDan Carpenter return false; 31404c3844d9SPaul Blakey } 31414c3844d9SPaul Blakey } 3142bdd66ac0SOr Gerlitz 3143bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 31443d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3145a655fe9fSDavid S. Miller flow_action, actions, 31467e36feebSPaul Blakey ct_flow, ct_clear, 31477e36feebSPaul Blakey extack); 3148bdd66ac0SOr Gerlitz 3149bdd66ac0SOr Gerlitz return true; 3150bdd66ac0SOr Gerlitz } 3151bdd66ac0SOr Gerlitz 315232134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 315332134847SMaor Dickman { 315432134847SMaor Dickman return priv->mdev == peer_priv->mdev; 315532134847SMaor Dickman } 315632134847SMaor Dickman 31575c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31585c65c564SOr Gerlitz { 31595c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3160816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31615c65c564SOr Gerlitz 31625c65c564SOr Gerlitz fmdev = priv->mdev; 31635c65c564SOr Gerlitz pmdev = peer_priv->mdev; 31645c65c564SOr Gerlitz 316559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 316659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 31675c65c564SOr Gerlitz 3168816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 31695c65c564SOr Gerlitz } 31705c65c564SOr Gerlitz 3171bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3172bb569657SAriel Levkovich struct net_device *out_dev) 3173bb569657SAriel Levkovich { 3174bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3175bb569657SAriel Levkovich priv->netdev == out_dev; 3176bb569657SAriel Levkovich } 3177bb569657SAriel Levkovich 3178bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3179bdc837eeSEli Britstein const struct flow_action_entry *act, 3180bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3181bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3182bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3183bdc837eeSEli Britstein { 3184bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3185bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3186bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3187bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3188bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3189bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3190bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3191bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3192bdc837eeSEli Britstein }; 31936fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3194bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3195bdc837eeSEli Britstein int err; 3196bdc837eeSEli Britstein 3197bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3198bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3199bf2f3bcaSEli Britstein 3200bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3201bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3202bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3203bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3204bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3205bf2f3bcaSEli Britstein } 3206bf2f3bcaSEli Britstein 32076fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 32086fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 32096fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 32106fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 32116fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3212bdc837eeSEli Britstein return -EOPNOTSUPP; 3213bdc837eeSEli Britstein } 3214bdc837eeSEli Britstein 3215582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3216bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3217bdc837eeSEli Britstein 3218bdc837eeSEli Britstein return err; 3219bdc837eeSEli Britstein } 3220bdc837eeSEli Britstein 32210bac1194SEli Britstein static int 32220bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32230bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32240bac1194SEli Britstein struct pedit_headers_action *hdrs, 32250bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32260bac1194SEli Britstein { 32270bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32280bac1194SEli Britstein .vlan.vid = 0, 32290bac1194SEli Britstein .vlan.prio = 32300bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32310bac1194SEli Britstein get_match_headers_value(*action, 32320bac1194SEli Britstein &parse_attr->spec), 32330bac1194SEli Britstein first_prio) & 32340bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32350bac1194SEli Britstein get_match_headers_criteria(*action, 32360bac1194SEli Britstein &parse_attr->spec), 32370bac1194SEli Britstein first_prio), 32380bac1194SEli Britstein }; 32390bac1194SEli Britstein 32400bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 32410bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 32420bac1194SEli Britstein extack); 32430bac1194SEli Britstein } 32440bac1194SEli Britstein 3245c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3246c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3247c7569097SAriel Levkovich const struct flow_action_entry *act, 3248c7569097SAriel Levkovich u32 actions, 3249c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3250c7569097SAriel Levkovich { 3251c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3252c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3253c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3254c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3255c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3256c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3257c7569097SAriel Levkovich u32 reformat_and_fwd; 3258c7569097SAriel Levkovich u32 max_chain; 3259c7569097SAriel Levkovich 3260c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3261c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3262c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3263c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3264c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3265c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3266c7569097SAriel Levkovich 3267c7569097SAriel Levkovich if (ft_flow) { 3268c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3269c7569097SAriel Levkovich return -EOPNOTSUPP; 3270c7569097SAriel Levkovich } 3271c7569097SAriel Levkovich 3272c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3273c7569097SAriel Levkovich dest_chain <= attr->chain) { 3274c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3275c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3276c7569097SAriel Levkovich return -EOPNOTSUPP; 3277c7569097SAriel Levkovich } 3278c7569097SAriel Levkovich 3279c7569097SAriel Levkovich if (dest_chain > max_chain) { 3280c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3281c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3282c7569097SAriel Levkovich return -EOPNOTSUPP; 3283c7569097SAriel Levkovich } 3284c7569097SAriel Levkovich 3285c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3286c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3287c7569097SAriel Levkovich !reformat_and_fwd) { 3288c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3289c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3290c7569097SAriel Levkovich return -EOPNOTSUPP; 3291c7569097SAriel Levkovich } 3292c7569097SAriel Levkovich 3293c7569097SAriel Levkovich return 0; 3294c7569097SAriel Levkovich } 3295c7569097SAriel Levkovich 329673867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 329773867881SPablo Neira Ayuso struct flow_action *flow_action, 3298aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3299e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3300e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3301e3a2b7edSAmir Vadai { 3302c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 330373867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 330473867881SPablo Neira Ayuso const struct flow_action_entry *act; 3305c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 33061cab1cd7SOr Gerlitz u32 action = 0; 3307244cd96aSCong Wang int err, i; 3308e3a2b7edSAmir Vadai 330973867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3310e3a2b7edSAmir Vadai return -EINVAL; 3311e3a2b7edSAmir Vadai 331253eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 331353eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3314319a1d19SJiri Pirko return -EOPNOTSUPP; 3315319a1d19SJiri Pirko 3316c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3317c620b772SAriel Levkovich 3318c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3319e3a2b7edSAmir Vadai 332073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 332173867881SPablo Neira Ayuso switch (act->id) { 332215fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 332315fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 332415fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 332515fc92ecSTonghao Zhang break; 332673867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 33271cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3328aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3329aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 33301cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 333173867881SPablo Neira Ayuso break; 333273867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 333373867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 333473867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3335582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 33362f4fe4caSOr Gerlitz if (err) 33372f4fe4caSOr Gerlitz return err; 33382f4fe4caSOr Gerlitz 3339c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 334073867881SPablo Neira Ayuso break; 3341bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3342bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3343bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3344bdc837eeSEli Britstein act, parse_attr, hdrs, 3345bdc837eeSEli Britstein &action, extack); 3346bdc837eeSEli Britstein if (err) 3347bdc837eeSEli Britstein return err; 3348bdc837eeSEli Britstein 3349bdc837eeSEli Britstein break; 335073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 33511cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 335273867881SPablo Neira Ayuso act->csum_flags, 3353e98bedf5SEli Britstein extack)) 335473867881SPablo Neira Ayuso break; 335526c02749SOr Gerlitz 335626c02749SOr Gerlitz return -EOPNOTSUPP; 335773867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 335873867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 33595c65c564SOr Gerlitz 33605c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 33615c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 336298b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3363226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 33641cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 33655c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 33665c65c564SOr Gerlitz } else { 3367e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3368e98bedf5SEli Britstein "device is not on same HW, can't offload"); 33695c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 33705c65c564SOr Gerlitz peer_dev->name); 33715c65c564SOr Gerlitz return -EINVAL; 33725c65c564SOr Gerlitz } 33735c65c564SOr Gerlitz } 337473867881SPablo Neira Ayuso break; 337573867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 337673867881SPablo Neira Ayuso u32 mark = act->mark; 3377e3a2b7edSAmir Vadai 3378e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3379e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3380e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3381e3a2b7edSAmir Vadai return -EINVAL; 3382e3a2b7edSAmir Vadai } 3383e3a2b7edSAmir Vadai 3384c620b772SAriel Levkovich nic_attr->flow_tag = mark; 33851cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3386e3a2b7edSAmir Vadai } 338773867881SPablo Neira Ayuso break; 3388c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3389c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3390c7569097SAriel Levkovich extack); 3391c7569097SAriel Levkovich if (err) 3392c7569097SAriel Levkovich return err; 3393c7569097SAriel Levkovich 3394c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3395c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3396c7569097SAriel Levkovich break; 3397aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3398aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3399aedd133dSAriel Levkovich if (err) 3400aedd133dSAriel Levkovich return err; 3401aedd133dSAriel Levkovich 3402aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3403aedd133dSAriel Levkovich break; 340473867881SPablo Neira Ayuso default: 34052cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 34062cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3407e3a2b7edSAmir Vadai } 340873867881SPablo Neira Ayuso } 3409e3a2b7edSAmir Vadai 3410c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3411c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3412c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 341327c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3414c500c86bSPablo Neira Ayuso if (err) 3415c500c86bSPablo Neira Ayuso return err; 341627c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 341727c11b6bSEli Britstein * flag. 341827c11b6bSEli Britstein */ 34196ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 342027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 34216ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3422e7739a60SEli Britstein } 3423c500c86bSPablo Neira Ayuso } 3424c500c86bSPablo Neira Ayuso 34251cab1cd7SOr Gerlitz attr->action = action; 3426c7569097SAriel Levkovich 3427c7569097SAriel Levkovich if (attr->dest_chain) { 3428c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3429c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3430c7569097SAriel Levkovich return -EOPNOTSUPP; 3431c7569097SAriel Levkovich } 3432c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3433c7569097SAriel Levkovich } 3434c7569097SAriel Levkovich 3435c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 3436c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3437c7569097SAriel Levkovich 343873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3439bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3440bdd66ac0SOr Gerlitz 3441e3a2b7edSAmir Vadai return 0; 3442e3a2b7edSAmir Vadai } 3443e3a2b7edSAmir Vadai 344432134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3445b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3446b1d90e6bSRabie Loulou { 3447b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3448b1d90e6bSRabie Loulou 3449b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3450b1d90e6bSRabie Loulou 3451b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 345232134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 345332134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 345468931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3455b1d90e6bSRabie Loulou } 3456b1d90e6bSRabie Loulou 34571482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 345873867881SPablo Neira Ayuso const struct flow_action_entry *act, 34591482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 34601482bd3dSJianbo Liu u32 *action) 34611482bd3dSJianbo Liu { 3462cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3463cc495188SJianbo Liu 3464cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 34651482bd3dSJianbo Liu return -EOPNOTSUPP; 3466cc495188SJianbo Liu 346773867881SPablo Neira Ayuso switch (act->id) { 346873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3469cc495188SJianbo Liu if (vlan_idx) { 3470cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3471cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3472cc495188SJianbo Liu return -EOPNOTSUPP; 3473cc495188SJianbo Liu 3474cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3475cc495188SJianbo Liu } else { 3476cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3477cc495188SJianbo Liu } 347873867881SPablo Neira Ayuso break; 347973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 348073867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 348173867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 348273867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3483cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3484cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3485cc495188SJianbo Liu 3486cc495188SJianbo Liu if (vlan_idx) { 3487cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3488cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3489cc495188SJianbo Liu return -EOPNOTSUPP; 3490cc495188SJianbo Liu 3491cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3492cc495188SJianbo Liu } else { 3493cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 349473867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 349573867881SPablo Neira Ayuso act->vlan.prio)) 3496cc495188SJianbo Liu return -EOPNOTSUPP; 3497cc495188SJianbo Liu 3498cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 34991482bd3dSJianbo Liu } 350073867881SPablo Neira Ayuso break; 350173867881SPablo Neira Ayuso default: 3502bdc837eeSEli Britstein return -EINVAL; 35031482bd3dSJianbo Liu } 35041482bd3dSJianbo Liu 3505cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3506cc495188SJianbo Liu 35071482bd3dSJianbo Liu return 0; 35081482bd3dSJianbo Liu } 35091482bd3dSJianbo Liu 3510d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3511d34eb2fcSOr Gerlitz struct net_device *out_dev) 3512d34eb2fcSOr Gerlitz { 3513d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3514d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3515d34eb2fcSOr Gerlitz 3516d34eb2fcSOr Gerlitz rcu_read_lock(); 3517d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3518d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3519d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3520d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3521d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3522d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3523d34eb2fcSOr Gerlitz if (fdb_out_dev && 3524d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3525d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3526d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3527d34eb2fcSOr Gerlitz } 3528d34eb2fcSOr Gerlitz rcu_read_unlock(); 3529d34eb2fcSOr Gerlitz return fdb_out_dev; 3530d34eb2fcSOr Gerlitz } 3531d34eb2fcSOr Gerlitz 3532278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3533c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3534278748a9SEli Britstein struct net_device **out_dev, 3535278748a9SEli Britstein u32 *action) 3536278748a9SEli Britstein { 3537278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3538278748a9SEli Britstein struct flow_action_entry vlan_act = { 3539278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3540278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3541278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3542278748a9SEli Britstein .vlan.prio = 0, 3543278748a9SEli Britstein }; 3544278748a9SEli Britstein int err; 3545278748a9SEli Britstein 3546c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 3547278748a9SEli Britstein if (err) 3548278748a9SEli Britstein return err; 3549278748a9SEli Britstein 3550dca59f4aSDima Chumak rcu_read_lock(); 3551dca59f4aSDima Chumak *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev)); 3552dca59f4aSDima Chumak rcu_read_unlock(); 3553dca59f4aSDima Chumak if (!*out_dev) 3554dca59f4aSDima Chumak return -ENODEV; 3555dca59f4aSDima Chumak 3556278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3557278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3558278748a9SEli Britstein 3559278748a9SEli Britstein return err; 3560278748a9SEli Britstein } 3561278748a9SEli Britstein 356235a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3563c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 356435a605dbSEli Britstein u32 *action) 356535a605dbSEli Britstein { 356635a605dbSEli Britstein struct flow_action_entry vlan_act = { 356735a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 356835a605dbSEli Britstein }; 356970f478caSDmytro Linkin int nest_level, err = 0; 357035a605dbSEli Britstein 357170f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 357270f478caSDmytro Linkin priv->netdev->lower_level; 357335a605dbSEli Britstein while (nest_level--) { 3574c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 357535a605dbSEli Britstein if (err) 357635a605dbSEli Britstein return err; 357735a605dbSEli Britstein } 357835a605dbSEli Britstein 357935a605dbSEli Britstein return err; 358035a605dbSEli Britstein } 358135a605dbSEli Britstein 358232134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 358332134847SMaor Dickman struct net_device *peer_netdev) 358432134847SMaor Dickman { 358532134847SMaor Dickman struct mlx5e_priv *peer_priv; 358632134847SMaor Dickman 358732134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 358832134847SMaor Dickman 358932134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 359032134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 359132134847SMaor Dickman same_hw_devs(priv, peer_priv); 359232134847SMaor Dickman } 359332134847SMaor Dickman 359432134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 359532134847SMaor Dickman struct net_device *peer_netdev) 359632134847SMaor Dickman { 359732134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 359832134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 359932134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 360032134847SMaor Dickman } 360132134847SMaor Dickman 3602f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3603f6dc1264SPaul Blakey struct net_device *out_dev) 3604f6dc1264SPaul Blakey { 360532134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 360632134847SMaor Dickman return true; 360732134847SMaor Dickman 360832134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3609f6dc1264SPaul Blakey return true; 3610f6dc1264SPaul Blakey 3611f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 361232134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3613f6dc1264SPaul Blakey } 3614f6dc1264SPaul Blakey 3615554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3616554fe75cSDmytro Linkin struct net_device *out_dev, 3617554fe75cSDmytro Linkin int *ifindexes, int if_count, 3618554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3619554fe75cSDmytro Linkin { 3620554fe75cSDmytro Linkin int i; 3621554fe75cSDmytro Linkin 3622554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3623554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3624554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3625554fe75cSDmytro Linkin "can't duplicate output to same device"); 3626554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3627554fe75cSDmytro Linkin out_dev->name); 3628554fe75cSDmytro Linkin return true; 3629554fe75cSDmytro Linkin } 3630554fe75cSDmytro Linkin } 3631554fe75cSDmytro Linkin 3632554fe75cSDmytro Linkin return false; 3633554fe75cSDmytro Linkin } 3634554fe75cSDmytro Linkin 3635613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3636613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3637613f53feSEli Cohen struct net_device *out_dev, 3638613f53feSEli Cohen struct netlink_ext_ack *extack) 3639613f53feSEli Cohen { 3640c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3641613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3642613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3643613f53feSEli Cohen 3644613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3645613f53feSEli Cohen * uplink ports is allowed only if 3646613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3647613f53feSEli Cohen * 3648c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3649613f53feSEli Cohen * In LAG case, *priv* is the private data of 3650613f53feSEli Cohen * uplink which may be not the input vport. 3651613f53feSEli Cohen */ 3652613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3653613f53feSEli Cohen 3654613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3655613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3656613f53feSEli Cohen return 0; 3657613f53feSEli Cohen 3658613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3659613f53feSEli Cohen termination_table_raw_traffic)) { 3660613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3661613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3662613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3663613f53feSEli Cohen priv->netdev->name, out_dev->name); 3664613f53feSEli Cohen return -EOPNOTSUPP; 3665613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3666613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3667613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3668613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3669613f53feSEli Cohen priv->netdev->name, out_dev->name); 3670613f53feSEli Cohen return -EOPNOTSUPP; 3671613f53feSEli Cohen } 3672613f53feSEli Cohen return 0; 3673613f53feSEli Cohen } 3674613f53feSEli Cohen 367573867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 367673867881SPablo Neira Ayuso struct flow_action *flow_action, 3677e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 367814e6b038SEli Cohen struct netlink_ext_ack *extack, 367914e6b038SEli Cohen struct net_device *filter_dev) 3680a54e20b4SHadar Hen Zion { 368173867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3682bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3683c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 36841d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 368573867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3686c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3687554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 368884179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 368973867881SPablo Neira Ayuso const struct flow_action_entry *act; 3690c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 369141c2fd94SChris Mi struct mlx5_sample_attr sample = {}; 36920a7fcb78SPaul Blakey bool encap = false, decap = false; 36930a7fcb78SPaul Blakey u32 action = attr->action; 3694554fe75cSDmytro Linkin int err, i, if_count = 0; 3695f828ca6aSEli Cohen bool mpls_push = false; 369603a9d11eSOr Gerlitz 369773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 369803a9d11eSOr Gerlitz return -EINVAL; 369903a9d11eSOr Gerlitz 370053eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 370153eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3702319a1d19SJiri Pirko return -EOPNOTSUPP; 3703319a1d19SJiri Pirko 3704c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3705c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3706c620b772SAriel Levkovich 370773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 370873867881SPablo Neira Ayuso switch (act->id) { 370973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 37101cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 371103a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 371273867881SPablo Neira Ayuso break; 3713f0288210SEli Cohen case FLOW_ACTION_TRAP: 3714f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3715f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 3716f0288210SEli Cohen "action trap is supported as a sole action only"); 3717f0288210SEli Cohen return -EOPNOTSUPP; 3718f0288210SEli Cohen } 3719f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3720f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 3721f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 3722f0288210SEli Cohen break; 3723f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3724f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3725f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3726f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3727f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3728f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3729f828ca6aSEli Cohen return -EOPNOTSUPP; 3730f828ca6aSEli Cohen } 3731f828ca6aSEli Cohen mpls_push = true; 3732f828ca6aSEli Cohen break; 373314e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 373414e6b038SEli Cohen /* we only support mpls pop if it is the first action 373514e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 373614e6b038SEli Cohen * actions can be pedit and the last can be mirred 373714e6b038SEli Cohen * egress redirect. 373814e6b038SEli Cohen */ 373914e6b038SEli Cohen if (i) { 374014e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 374114e6b038SEli Cohen "mpls pop supported only as first action"); 374214e6b038SEli Cohen return -EOPNOTSUPP; 374314e6b038SEli Cohen } 374414e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 374514e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 374614e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 374714e6b038SEli Cohen return -EOPNOTSUPP; 374814e6b038SEli Cohen } 374914e6b038SEli Cohen 375014e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 375114e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 375214e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 375314e6b038SEli Cohen break; 375473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 375573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 375673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3757582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3758d7e75a32SOr Gerlitz if (err) 3759d7e75a32SOr Gerlitz return err; 3760d7e75a32SOr Gerlitz 3761582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 37621cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3763c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3764582234b4SEli Cohen } 376573867881SPablo Neira Ayuso break; 376673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 37671cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 376873867881SPablo Neira Ayuso act->csum_flags, extack)) 376973867881SPablo Neira Ayuso break; 377026c02749SOr Gerlitz 377126c02749SOr Gerlitz return -EOPNOTSUPP; 377273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 377373867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 377403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3775592d3651SChris Mi struct net_device *out_dev; 377603a9d11eSOr Gerlitz 377773867881SPablo Neira Ayuso out_dev = act->dev; 3778ef381359SOz Shlomo if (!out_dev) { 3779ef381359SOz Shlomo /* out_dev is NULL when filters with 3780ef381359SOz Shlomo * non-existing mirred device are replayed to 3781ef381359SOz Shlomo * the driver. 3782ef381359SOz Shlomo */ 3783ef381359SOz Shlomo return -EINVAL; 3784ef381359SOz Shlomo } 378503a9d11eSOr Gerlitz 3786f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3787f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3788f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3789f828ca6aSEli Cohen return -EOPNOTSUPP; 3790f828ca6aSEli Cohen } 3791f828ca6aSEli Cohen 379284179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 379384179981SPaul Blakey /* Ignore forward to self rules generated 379484179981SPaul Blakey * by adding both mlx5 devs to the flow table 379584179981SPaul Blakey * block on a normal nft offload setup. 379684179981SPaul Blakey */ 379784179981SPaul Blakey return -EOPNOTSUPP; 379884179981SPaul Blakey } 379984179981SPaul Blakey 3800c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3801e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3802e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 38034ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38044ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3805c620b772SAriel Levkovich esw_attr->out_count); 3806592d3651SChris Mi return -EOPNOTSUPP; 3807592d3651SChris Mi } 3808592d3651SChris Mi 3809f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3810f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3811b6a4ac24SVlad Buslov if (encap) { 3812c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 3813b6a4ac24SVlad Buslov out_dev->ifindex; 38140d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 38150d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 3816c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 3817b6a4ac24SVlad Buslov return -ENOMEM; 3818b6a4ac24SVlad Buslov encap = false; 3819c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 3820b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3821c620b772SAriel Levkovich esw_attr->out_count++; 3822b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3823b6a4ac24SVlad Buslov * handle encap 3824b6a4ac24SVlad Buslov */ 3825b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 38267ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 38277ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 38287ba58ba7SRabie Loulou 3829554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3830554fe75cSDmytro Linkin out_dev, 3831554fe75cSDmytro Linkin ifindexes, 3832554fe75cSDmytro Linkin if_count, 3833554fe75cSDmytro Linkin extack)) 3834554fe75cSDmytro Linkin return -EOPNOTSUPP; 3835554fe75cSDmytro Linkin 3836554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3837554fe75cSDmytro Linkin if_count++; 3838554fe75cSDmytro Linkin 3839d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 3840d34eb2fcSOr Gerlitz if (!out_dev) 3841d34eb2fcSOr Gerlitz return -ENODEV; 38427ba58ba7SRabie Loulou 3843278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3844278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3845278748a9SEli Britstein &out_dev, 3846278748a9SEli Britstein &action); 3847278748a9SEli Britstein if (err) 3848278748a9SEli Britstein return err; 3849278748a9SEli Britstein } 3850f6dc1264SPaul Blakey 385135a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 385235a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 385335a605dbSEli Britstein &action); 385435a605dbSEli Britstein if (err) 385535a605dbSEli Britstein return err; 385635a605dbSEli Britstein } 3857278748a9SEli Britstein 3858613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 3859613f53feSEli Cohen if (err) 3860613f53feSEli Cohen return err; 3861ffec9702STonghao Zhang 3862f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3863f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3864f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3865a0646c88SEli Britstein return -EOPNOTSUPP; 3866f6dc1264SPaul Blakey } 3867a0646c88SEli Britstein 3868bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 3869bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3870bb569657SAriel Levkovich "can't forward from a VF to itself"); 3871bb569657SAriel Levkovich return -EOPNOTSUPP; 3872bb569657SAriel Levkovich } 3873bb569657SAriel Levkovich 387403a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 38751d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3876c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 3877c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 3878c620b772SAriel Levkovich esw_attr->out_count++; 3879ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3880ef381359SOz Shlomo /* All mlx5 devices are called to configure 3881ef381359SOz Shlomo * high level device filters. Therefore, the 3882ef381359SOz Shlomo * *attempt* to install a filter on invalid 3883ef381359SOz Shlomo * eswitch should not trigger an explicit error 3884ef381359SOz Shlomo */ 3885ef381359SOz Shlomo return -EINVAL; 3886a54e20b4SHadar Hen Zion } else { 3887e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3888e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 38894ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38904ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 38914ccd83f4SRoi Dayan priv->netdev->name, 38924ccd83f4SRoi Dayan out_dev->name); 3893a54e20b4SHadar Hen Zion return -EINVAL; 3894a54e20b4SHadar Hen Zion } 3895a54e20b4SHadar Hen Zion } 389673867881SPablo Neira Ayuso break; 389773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 389873867881SPablo Neira Ayuso info = act->tunnel; 3899a54e20b4SHadar Hen Zion if (info) 3900a54e20b4SHadar Hen Zion encap = true; 3901a54e20b4SHadar Hen Zion else 3902a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 390303a9d11eSOr Gerlitz 390473867881SPablo Neira Ayuso break; 390573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 390673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 390776b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 390876b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 390976b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 391076b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 391176b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 391276b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 391376b496b1SEli Britstein act, parse_attr, hdrs, 391476b496b1SEli Britstein &action, extack); 391576b496b1SEli Britstein } else { 3916c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 391776b496b1SEli Britstein } 39181482bd3dSJianbo Liu if (err) 39191482bd3dSJianbo Liu return err; 39201482bd3dSJianbo Liu 3921c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 392273867881SPablo Neira Ayuso break; 3923bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3924bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3925bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3926bdc837eeSEli Britstein act, parse_attr, hdrs, 3927bdc837eeSEli Britstein &action, extack); 3928bdc837eeSEli Britstein if (err) 3929bdc837eeSEli Britstein return err; 3930bdc837eeSEli Britstein 3931c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3932bdc837eeSEli Britstein break; 393373867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 39340a7fcb78SPaul Blakey decap = true; 393573867881SPablo Neira Ayuso break; 39362fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 3937c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 39382fbbc30dSEli Cohen extack); 39392fbbc30dSEli Cohen if (err) 39402fbbc30dSEli Cohen return err; 3941bf07aa73SPaul Blakey 3942e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 39432fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 394473867881SPablo Neira Ayuso break; 39454c3844d9SPaul Blakey case FLOW_ACTION_CT: 394641c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 394741c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 394841c2fd94SChris Mi return -EOPNOTSUPP; 394941c2fd94SChris Mi } 3950aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 39514c3844d9SPaul Blakey if (err) 39524c3844d9SPaul Blakey return err; 39534c3844d9SPaul Blakey 39544c3844d9SPaul Blakey flow_flag_set(flow, CT); 395569e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 39564c3844d9SPaul Blakey break; 395741c2fd94SChris Mi case FLOW_ACTION_SAMPLE: 395841c2fd94SChris Mi if (flow_flag_test(flow, CT)) { 395941c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 396041c2fd94SChris Mi return -EOPNOTSUPP; 396141c2fd94SChris Mi } 396241c2fd94SChris Mi sample.rate = act->sample.rate; 396341c2fd94SChris Mi sample.group_num = act->sample.psample_group->group_num; 396441c2fd94SChris Mi if (act->sample.truncate) 396541c2fd94SChris Mi sample.trunc_size = act->sample.trunc_size; 396641c2fd94SChris Mi flow_flag_set(flow, SAMPLE); 396741c2fd94SChris Mi break; 396873867881SPablo Neira Ayuso default: 39692cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 39702cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 397103a9d11eSOr Gerlitz } 397273867881SPablo Neira Ayuso } 3973bdd66ac0SOr Gerlitz 3974a508728aSVlad Buslov /* always set IP version for indirect table handling */ 3975a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 3976a508728aSVlad Buslov 39770bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 39780bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 39790bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 39800bac1194SEli Britstein * tag rewrite. 39810bac1194SEli Britstein */ 39820bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 39830bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 39840bac1194SEli Britstein &action, extack); 39850bac1194SEli Britstein if (err) 39860bac1194SEli Britstein return err; 39870bac1194SEli Britstein } 39880bac1194SEli Britstein 3989c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3990c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 399184be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 399227c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3993c500c86bSPablo Neira Ayuso if (err) 3994c500c86bSPablo Neira Ayuso return err; 399527c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 399627c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 399727c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 399827c11b6bSEli Britstein */ 39996ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 400027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 40016ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 400227c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 400327c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 4004c620b772SAriel Levkovich esw_attr->split_count = 0; 400527c11b6bSEli Britstein } 4006c500c86bSPablo Neira Ayuso } 4007c500c86bSPablo Neira Ayuso 40081cab1cd7SOr Gerlitz attr->action = action; 400973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4010bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4011bdd66ac0SOr Gerlitz 4012e88afe75SOr Gerlitz if (attr->dest_chain) { 40130a7fcb78SPaul Blakey if (decap) { 40140a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 40150a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 40160a7fcb78SPaul Blakey * this tunnel id with this decap flow. 40170a7fcb78SPaul Blakey * 40180a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 40190a7fcb78SPaul Blakey * device. 40200a7fcb78SPaul Blakey */ 40210a7fcb78SPaul Blakey 40220a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 40230a7fcb78SPaul Blakey "Decap with goto isn't supported"); 40240a7fcb78SPaul Blakey netdev_warn(priv->netdev, 40250a7fcb78SPaul Blakey "Decap with goto isn't supported"); 40260a7fcb78SPaul Blakey return -EOPNOTSUPP; 40270a7fcb78SPaul Blakey } 40280a7fcb78SPaul Blakey 4029e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4030e88afe75SOr Gerlitz } 4031e88afe75SOr Gerlitz 4032ae2741e2SVlad Buslov if (!(attr->action & 4033ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 403461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 403561644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4036ae2741e2SVlad Buslov return -EOPNOTSUPP; 4037ae2741e2SVlad Buslov } 4038ae2741e2SVlad Buslov 4039c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4040e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4041e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4042592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4043592d3651SChris Mi return -EOPNOTSUPP; 4044592d3651SChris Mi } 4045592d3651SChris Mi 404641c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 404741c2fd94SChris Mi * no errors after parsing. 404841c2fd94SChris Mi */ 404941c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 405041c2fd94SChris Mi esw_attr->sample = kzalloc(sizeof(*esw_attr->sample), GFP_KERNEL); 405141c2fd94SChris Mi if (!esw_attr->sample) 405241c2fd94SChris Mi return -ENOMEM; 405341c2fd94SChris Mi *esw_attr->sample = sample; 405441c2fd94SChris Mi } 405541c2fd94SChris Mi 405631c8eba5SOr Gerlitz return 0; 405703a9d11eSOr Gerlitz } 405803a9d11eSOr Gerlitz 4059226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 406060bd4af8SOr Gerlitz { 4061226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 406260bd4af8SOr Gerlitz 4063226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4064226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4065226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4066226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 406760bd4af8SOr Gerlitz 4068226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4069226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4070226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4071226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 407284179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 407384179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4074d9ee0491SOr Gerlitz 407560bd4af8SOr Gerlitz *flow_flags = __flow_flags; 407660bd4af8SOr Gerlitz } 407760bd4af8SOr Gerlitz 407805866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 407905866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 408005866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 408105866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 408205866c82SOr Gerlitz .automatic_shrinking = true, 408305866c82SOr Gerlitz }; 408405866c82SOr Gerlitz 4085226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4086226f2ca3SVlad Buslov unsigned long flags) 408705866c82SOr Gerlitz { 4088655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4089655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4090655dc3d2SOr Gerlitz 4091226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4092655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4093ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4094d9ee0491SOr Gerlitz } else /* NIC offload */ 409505866c82SOr Gerlitz return &priv->fs.tc.ht; 409605866c82SOr Gerlitz } 409705866c82SOr Gerlitz 409804de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 409904de7ddaSRoi Dayan { 4100c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4101c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4102c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4103226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 41041418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 41051418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4106c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 41071418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 41081418ddd9SAviv Heller 410910fbb1cdSRoi Dayan if (!esw_paired) 411010fbb1cdSRoi Dayan return false; 411110fbb1cdSRoi Dayan 4112c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4113c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 411410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 411510fbb1cdSRoi Dayan return true; 411610fbb1cdSRoi Dayan 411710fbb1cdSRoi Dayan return false; 411804de7ddaSRoi Dayan } 411904de7ddaSRoi Dayan 4120c620b772SAriel Levkovich struct mlx5_flow_attr * 4121c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4122c620b772SAriel Levkovich { 4123c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4124c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4125c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4126c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4127c620b772SAriel Levkovich 4128c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4129c620b772SAriel Levkovich } 4130c620b772SAriel Levkovich 4131a88780a9SRoi Dayan static int 4132a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4133226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4134a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4135a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4136e3a2b7edSAmir Vadai { 413717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4138c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 41393bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4140ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4141ff7ea04aSGustavo A. R. Silva int out_index; 4142776b12b6SOr Gerlitz 4143c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 41441b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4145ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4146ff7ea04aSGustavo A. R. Silva goto err_free; 4147c620b772SAriel Levkovich 4148c620b772SAriel Levkovich flow->flags = flow_flags; 4149c620b772SAriel Levkovich flow->cookie = f->cookie; 4150c620b772SAriel Levkovich flow->priv = priv; 4151c620b772SAriel Levkovich 4152c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4153ff7ea04aSGustavo A. R. Silva if (!attr) 4154e3a2b7edSAmir Vadai goto err_free; 4155ff7ea04aSGustavo A. R. Silva 4156c620b772SAriel Levkovich flow->attr = attr; 4157e3a2b7edSAmir Vadai 41585a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 41595a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 41605a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 416114e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 41625a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 416395435ad7SVlad Buslov init_completion(&flow->init_done); 4164e3a2b7edSAmir Vadai 4165a88780a9SRoi Dayan *__flow = flow; 4166a88780a9SRoi Dayan *__parse_attr = parse_attr; 4167a88780a9SRoi Dayan 4168a88780a9SRoi Dayan return 0; 4169a88780a9SRoi Dayan 4170a88780a9SRoi Dayan err_free: 4171a88780a9SRoi Dayan kfree(flow); 4172a88780a9SRoi Dayan kvfree(parse_attr); 4173a88780a9SRoi Dayan return err; 4174adb4c123SOr Gerlitz } 4175adb4c123SOr Gerlitz 4176988ab9c7STonghao Zhang static void 4177c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4178c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4179c7569097SAriel Levkovich struct flow_cls_offload *f) 4180c7569097SAriel Levkovich { 4181c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4182c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4183c7569097SAriel Levkovich attr->prio = f->common.prio; 4184c7569097SAriel Levkovich } 4185c7569097SAriel Levkovich 4186c7569097SAriel Levkovich static void 4187c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4188988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4189988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4190f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4191988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4192988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4193988ab9c7STonghao Zhang { 4194988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4195c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4196988ab9c7STonghao Zhang 4197c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4198988ab9c7STonghao Zhang 4199988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4200988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4201988ab9c7STonghao Zhang 4202988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4203988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4204988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4205988ab9c7STonghao Zhang else 4206988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4207988ab9c7STonghao Zhang } 4208988ab9c7STonghao Zhang 420971129676SJason Gunthorpe static struct mlx5e_tc_flow * 421004de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4211f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4212226f2ca3SVlad Buslov unsigned long flow_flags, 4213d11afc26SOz Shlomo struct net_device *filter_dev, 421404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 421571129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4216a88780a9SRoi Dayan { 4217f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4218a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4219a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4220a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4221a88780a9SRoi Dayan int attr_size, err; 4222a88780a9SRoi Dayan 4223226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4224a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4225a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4226a88780a9SRoi Dayan &parse_attr, &flow); 4227a88780a9SRoi Dayan if (err) 4228a88780a9SRoi Dayan goto out; 4229988ab9c7STonghao Zhang 4230d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4231c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4232988ab9c7STonghao Zhang priv, parse_attr, 4233988ab9c7STonghao Zhang f, in_rep, in_mdev); 4234988ab9c7STonghao Zhang 423554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 423654c177caSOz Shlomo f, filter_dev); 4237d11afc26SOz Shlomo if (err) 4238d11afc26SOz Shlomo goto err_free; 4239a88780a9SRoi Dayan 42407e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4241aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4242c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4243a88780a9SRoi Dayan if (err) 4244a88780a9SRoi Dayan goto err_free; 4245a88780a9SRoi Dayan 42467e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 42474c3844d9SPaul Blakey if (err) 42484c3844d9SPaul Blakey goto err_free; 42494c3844d9SPaul Blakey 42507040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 425195435ad7SVlad Buslov complete_all(&flow->init_done); 4252ef06c9eeSRoi Dayan if (err) { 4253ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4254aa0cbbaeSOr Gerlitz goto err_free; 42555c40348cSOr Gerlitz 4256b4a23329SRoi Dayan add_unready_flow(flow); 4257ef06c9eeSRoi Dayan } 4258ef06c9eeSRoi Dayan 425971129676SJason Gunthorpe return flow; 4260e3a2b7edSAmir Vadai 4261e3a2b7edSAmir Vadai err_free: 42625a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4263a88780a9SRoi Dayan out: 426471129676SJason Gunthorpe return ERR_PTR(err); 4265a88780a9SRoi Dayan } 4266a88780a9SRoi Dayan 4267f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 426895dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4269226f2ca3SVlad Buslov unsigned long flow_flags) 427004de7ddaSRoi Dayan { 427104de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 427204de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4273c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 427404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 427504de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 427604de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 427704de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 427804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 427904de7ddaSRoi Dayan int err = 0; 428004de7ddaSRoi Dayan 428104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 428204de7ddaSRoi Dayan if (!peer_esw) 428304de7ddaSRoi Dayan return -ENODEV; 428404de7ddaSRoi Dayan 428504de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 428604de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 428704de7ddaSRoi Dayan 428804de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 428904de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 429004de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 429104de7ddaSRoi Dayan * peer mdev. 429204de7ddaSRoi Dayan */ 4293c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 429404de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 429504de7ddaSRoi Dayan else 429604de7ddaSRoi Dayan in_mdev = priv->mdev; 429704de7ddaSRoi Dayan 4298c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 429995dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 430004de7ddaSRoi Dayan parse_attr->filter_dev, 4301c620b772SAriel Levkovich attr->in_rep, in_mdev); 430271129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 430371129676SJason Gunthorpe err = PTR_ERR(peer_flow); 430404de7ddaSRoi Dayan goto out; 430571129676SJason Gunthorpe } 430604de7ddaSRoi Dayan 430704de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4308226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 430904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 431004de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 431104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 431204de7ddaSRoi Dayan 431304de7ddaSRoi Dayan out: 431404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 431504de7ddaSRoi Dayan return err; 431604de7ddaSRoi Dayan } 431704de7ddaSRoi Dayan 431804de7ddaSRoi Dayan static int 431904de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4320f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4321226f2ca3SVlad Buslov unsigned long flow_flags, 432204de7ddaSRoi Dayan struct net_device *filter_dev, 432304de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 432404de7ddaSRoi Dayan { 432504de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 432604de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 432704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 432804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 432904de7ddaSRoi Dayan int err; 433004de7ddaSRoi Dayan 433171129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 433271129676SJason Gunthorpe in_mdev); 433371129676SJason Gunthorpe if (IS_ERR(flow)) 433471129676SJason Gunthorpe return PTR_ERR(flow); 433504de7ddaSRoi Dayan 433604de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 433795dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 433804de7ddaSRoi Dayan if (err) { 433904de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 434004de7ddaSRoi Dayan goto out; 434104de7ddaSRoi Dayan } 434204de7ddaSRoi Dayan } 434304de7ddaSRoi Dayan 434404de7ddaSRoi Dayan *__flow = flow; 434504de7ddaSRoi Dayan 434604de7ddaSRoi Dayan return 0; 434704de7ddaSRoi Dayan 434804de7ddaSRoi Dayan out: 434904de7ddaSRoi Dayan return err; 435004de7ddaSRoi Dayan } 435104de7ddaSRoi Dayan 4352a88780a9SRoi Dayan static int 4353a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4354f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4355226f2ca3SVlad Buslov unsigned long flow_flags, 4356d11afc26SOz Shlomo struct net_device *filter_dev, 4357a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4358a88780a9SRoi Dayan { 4359f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4360a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4361a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4362a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4363a88780a9SRoi Dayan int attr_size, err; 4364a88780a9SRoi Dayan 4365c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4366bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4367bf07aa73SPaul Blakey return -EOPNOTSUPP; 4368c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4369c7569097SAriel Levkovich return -EOPNOTSUPP; 4370c7569097SAriel Levkovich } 4371bf07aa73SPaul Blakey 4372226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4373a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4374a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4375a88780a9SRoi Dayan &parse_attr, &flow); 4376a88780a9SRoi Dayan if (err) 4377a88780a9SRoi Dayan goto out; 4378a88780a9SRoi Dayan 4379d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4380c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4381c7569097SAriel Levkovich 438254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 438354c177caSOz Shlomo f, filter_dev); 4384d11afc26SOz Shlomo if (err) 4385d11afc26SOz Shlomo goto err_free; 4386d11afc26SOz Shlomo 4387aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4388aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4389aedd133dSAriel Levkovich if (err) 4390aedd133dSAriel Levkovich goto err_free; 4391aedd133dSAriel Levkovich 439273867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4393a88780a9SRoi Dayan if (err) 4394a88780a9SRoi Dayan goto err_free; 4395a88780a9SRoi Dayan 4396a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4397a88780a9SRoi Dayan if (err) 4398a88780a9SRoi Dayan goto err_free; 4399a88780a9SRoi Dayan 4400226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4401a88780a9SRoi Dayan *__flow = flow; 4402a88780a9SRoi Dayan 4403a88780a9SRoi Dayan return 0; 4404a88780a9SRoi Dayan 4405a88780a9SRoi Dayan err_free: 44068914add2SVlad Buslov flow_flag_set(flow, FAILED); 4407e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 44085a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4409a88780a9SRoi Dayan out: 4410a88780a9SRoi Dayan return err; 4411a88780a9SRoi Dayan } 4412a88780a9SRoi Dayan 4413a88780a9SRoi Dayan static int 4414a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4415f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4416226f2ca3SVlad Buslov unsigned long flags, 4417d11afc26SOz Shlomo struct net_device *filter_dev, 4418a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4419a88780a9SRoi Dayan { 4420a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4421226f2ca3SVlad Buslov unsigned long flow_flags; 4422a88780a9SRoi Dayan int err; 4423a88780a9SRoi Dayan 4424a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4425a88780a9SRoi Dayan 4426bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4427bf07aa73SPaul Blakey return -EOPNOTSUPP; 4428bf07aa73SPaul Blakey 4429f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4430d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4431d11afc26SOz Shlomo filter_dev, flow); 4432a88780a9SRoi Dayan else 4433d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4434d11afc26SOz Shlomo filter_dev, flow); 4435a88780a9SRoi Dayan 4436a88780a9SRoi Dayan return err; 4437a88780a9SRoi Dayan } 4438a88780a9SRoi Dayan 4439553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4440553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4441553f9328SVu Pham { 4442553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 44432fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 44442fb15e72SVlad Buslov * function is called from NIC mode. 4445553f9328SVu Pham */ 44462fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4447553f9328SVu Pham } 4448553f9328SVu Pham 444971d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4450226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4451a88780a9SRoi Dayan { 4452a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4453d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4454553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4455a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4456a88780a9SRoi Dayan int err = 0; 4457a88780a9SRoi Dayan 44587dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 44597dc84de9SRoi Dayan return -EAGAIN; 44607dc84de9SRoi Dayan 44617dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 44627dc84de9SRoi Dayan 4463c5d326b2SVlad Buslov rcu_read_lock(); 4464c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4465a88780a9SRoi Dayan if (flow) { 4466553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4467553f9328SVu Pham * just return 0. 4468553f9328SVu Pham */ 4469553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4470c1aea9e1SVlad Buslov goto rcu_unlock; 4471553f9328SVu Pham 4472a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4473a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4474a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4475a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4476a88780a9SRoi Dayan f->cookie); 44770e1c1a2fSVlad Buslov err = -EEXIST; 4478c1aea9e1SVlad Buslov goto rcu_unlock; 4479a88780a9SRoi Dayan } 4480c1aea9e1SVlad Buslov rcu_unlock: 4481c1aea9e1SVlad Buslov rcu_read_unlock(); 4482c1aea9e1SVlad Buslov if (flow) 4483c1aea9e1SVlad Buslov goto out; 4484a88780a9SRoi Dayan 44857a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4486d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4487a88780a9SRoi Dayan if (err) 4488a88780a9SRoi Dayan goto out; 4489a88780a9SRoi Dayan 4490553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4491553f9328SVu Pham * set the flow's owner dev. 4492553f9328SVu Pham */ 4493553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4494553f9328SVu Pham flow->orig_dev = dev; 4495553f9328SVu Pham 4496c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4497a88780a9SRoi Dayan if (err) 4498a88780a9SRoi Dayan goto err_free; 4499a88780a9SRoi Dayan 45007dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4501a88780a9SRoi Dayan return 0; 4502a88780a9SRoi Dayan 4503a88780a9SRoi Dayan err_free: 45045a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4505a88780a9SRoi Dayan out: 45067dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 45077dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4508e3a2b7edSAmir Vadai return err; 4509e3a2b7edSAmir Vadai } 4510e3a2b7edSAmir Vadai 45118f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 45128f8ae895SOr Gerlitz { 4513226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4514226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 45158f8ae895SOr Gerlitz 4516226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4517226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 45188f8ae895SOr Gerlitz } 45198f8ae895SOr Gerlitz 452071d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4521226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4522e3a2b7edSAmir Vadai { 4523d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4524e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4525c5d326b2SVlad Buslov int err; 4526e3a2b7edSAmir Vadai 4527c5d326b2SVlad Buslov rcu_read_lock(); 4528ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4529c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4530c5d326b2SVlad Buslov err = -EINVAL; 4531c5d326b2SVlad Buslov goto errout; 4532c5d326b2SVlad Buslov } 4533e3a2b7edSAmir Vadai 4534c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4535c5d326b2SVlad Buslov * set. 4536c5d326b2SVlad Buslov */ 4537c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4538c5d326b2SVlad Buslov err = -EINVAL; 4539c5d326b2SVlad Buslov goto errout; 4540c5d326b2SVlad Buslov } 454105866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4542c5d326b2SVlad Buslov rcu_read_unlock(); 4543e3a2b7edSAmir Vadai 45447a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 45455a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4546e3a2b7edSAmir Vadai 45477dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4548e3a2b7edSAmir Vadai return 0; 4549c5d326b2SVlad Buslov 4550c5d326b2SVlad Buslov errout: 4551c5d326b2SVlad Buslov rcu_read_unlock(); 4552c5d326b2SVlad Buslov return err; 4553e3a2b7edSAmir Vadai } 4554e3a2b7edSAmir Vadai 455571d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4556226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4557aad7e08dSAmir Vadai { 455804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4559d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 456004de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4561aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4562aad7e08dSAmir Vadai struct mlx5_fc *counter; 4563316d5f72SRoi Dayan u64 lastuse = 0; 4564316d5f72SRoi Dayan u64 packets = 0; 4565316d5f72SRoi Dayan u64 bytes = 0; 45665a7e5bcbSVlad Buslov int err = 0; 4567aad7e08dSAmir Vadai 4568c5d326b2SVlad Buslov rcu_read_lock(); 4569c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 45705a7e5bcbSVlad Buslov tc_ht_params)); 4571c5d326b2SVlad Buslov rcu_read_unlock(); 45725a7e5bcbSVlad Buslov if (IS_ERR(flow)) 45735a7e5bcbSVlad Buslov return PTR_ERR(flow); 45745a7e5bcbSVlad Buslov 45755a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 45765a7e5bcbSVlad Buslov err = -EINVAL; 45775a7e5bcbSVlad Buslov goto errout; 45785a7e5bcbSVlad Buslov } 4579aad7e08dSAmir Vadai 45804c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4581b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4582aad7e08dSAmir Vadai if (!counter) 45835a7e5bcbSVlad Buslov goto errout; 4584aad7e08dSAmir Vadai 4585aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4586316d5f72SRoi Dayan } 4587aad7e08dSAmir Vadai 4588316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4589316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4590316d5f72SRoi Dayan */ 459104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 459204de7ddaSRoi Dayan if (!peer_esw) 459304de7ddaSRoi Dayan goto out; 459404de7ddaSRoi Dayan 4595226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4596226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 459704de7ddaSRoi Dayan u64 bytes2; 459804de7ddaSRoi Dayan u64 packets2; 459904de7ddaSRoi Dayan u64 lastuse2; 460004de7ddaSRoi Dayan 460104de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4602316d5f72SRoi Dayan if (!counter) 4603316d5f72SRoi Dayan goto no_peer_counter; 460404de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 460504de7ddaSRoi Dayan 460604de7ddaSRoi Dayan bytes += bytes2; 460704de7ddaSRoi Dayan packets += packets2; 460804de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 460904de7ddaSRoi Dayan } 461004de7ddaSRoi Dayan 4611316d5f72SRoi Dayan no_peer_counter: 461204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 461304de7ddaSRoi Dayan out: 46144b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 461593a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 46167a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 46175a7e5bcbSVlad Buslov errout: 46185a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 46195a7e5bcbSVlad Buslov return err; 4620aad7e08dSAmir Vadai } 4621aad7e08dSAmir Vadai 46221fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4623fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4624fcb64c0fSEli Cohen { 4625fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4626fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 46271fe3e316SParav Pandit u32 rate_mbps = 0; 4628fcb64c0fSEli Cohen u16 vport_num; 4629fcb64c0fSEli Cohen int err; 4630fcb64c0fSEli Cohen 4631e401a184SEli Cohen vport_num = rpriv->rep->vport; 4632e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4633e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4634e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4635e401a184SEli Cohen return -EOPNOTSUPP; 4636e401a184SEli Cohen } 4637e401a184SEli Cohen 4638fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4639fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4640fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4641fcb64c0fSEli Cohen * mbit means million bits. 4642fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4643fcb64c0fSEli Cohen * 1 mbit/sec. 4644fcb64c0fSEli Cohen */ 46451fe3e316SParav Pandit if (rate) { 46461fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 46478b90d897SParav Pandit do_div(rate, 1000000); 46488b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 46491fe3e316SParav Pandit } 46501fe3e316SParav Pandit 4651fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4652fcb64c0fSEli Cohen if (err) 4653fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4654fcb64c0fSEli Cohen 4655fcb64c0fSEli Cohen return err; 4656fcb64c0fSEli Cohen } 4657fcb64c0fSEli Cohen 4658fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4659fcb64c0fSEli Cohen struct flow_action *flow_action, 4660fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4661fcb64c0fSEli Cohen { 4662fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4663fcb64c0fSEli Cohen const struct flow_action_entry *act; 4664fcb64c0fSEli Cohen int err; 4665fcb64c0fSEli Cohen int i; 4666fcb64c0fSEli Cohen 4667fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4668fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4669fcb64c0fSEli Cohen return -EINVAL; 4670fcb64c0fSEli Cohen } 4671fcb64c0fSEli Cohen 4672fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4673fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4674fcb64c0fSEli Cohen return -EOPNOTSUPP; 4675fcb64c0fSEli Cohen } 4676fcb64c0fSEli Cohen 467753eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4678319a1d19SJiri Pirko return -EOPNOTSUPP; 4679319a1d19SJiri Pirko 4680fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4681fcb64c0fSEli Cohen switch (act->id) { 4682fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 46836a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 46846a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 46856a56e199SBaowen Zheng return -EOPNOTSUPP; 46866a56e199SBaowen Zheng } 4687fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4688fcb64c0fSEli Cohen if (err) 4689fcb64c0fSEli Cohen return err; 4690fcb64c0fSEli Cohen 4691fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4692fcb64c0fSEli Cohen break; 4693fcb64c0fSEli Cohen default: 4694fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4695fcb64c0fSEli Cohen return -EOPNOTSUPP; 4696fcb64c0fSEli Cohen } 4697fcb64c0fSEli Cohen } 4698fcb64c0fSEli Cohen 4699fcb64c0fSEli Cohen return 0; 4700fcb64c0fSEli Cohen } 4701fcb64c0fSEli Cohen 4702fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4703fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4704fcb64c0fSEli Cohen { 4705b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4706fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4707fcb64c0fSEli Cohen 4708b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4709b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4710b5f814ccSEli Cohen return -EOPNOTSUPP; 4711b5f814ccSEli Cohen } 4712b5f814ccSEli Cohen 47137b83355fSEli Cohen if (ma->common.prio != 1) { 4714fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4715fcb64c0fSEli Cohen return -EINVAL; 4716fcb64c0fSEli Cohen } 4717fcb64c0fSEli Cohen 4718fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4719fcb64c0fSEli Cohen } 4720fcb64c0fSEli Cohen 4721fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4722fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4723fcb64c0fSEli Cohen { 4724fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4725fcb64c0fSEli Cohen 4726fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4727fcb64c0fSEli Cohen } 4728fcb64c0fSEli Cohen 4729fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4730fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4731fcb64c0fSEli Cohen { 4732fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4733fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4734fcb64c0fSEli Cohen u64 dbytes; 4735fcb64c0fSEli Cohen u64 dpkts; 4736fcb64c0fSEli Cohen 4737fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4738fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4739fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4740fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 47414b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 474293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4743fcb64c0fSEli Cohen } 4744fcb64c0fSEli Cohen 47454d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 47464d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 47474d8fcf21SAlaa Hleihel { 47484d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4749db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4750db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 47514d8fcf21SAlaa Hleihel u16 peer_vhca_id; 47524d8fcf21SAlaa Hleihel int bkt; 47534d8fcf21SAlaa Hleihel 47544d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 47554d8fcf21SAlaa Hleihel return; 47564d8fcf21SAlaa Hleihel 47574d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 47584d8fcf21SAlaa Hleihel 4759b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4760db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4761db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4762db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4763b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4764db76ca24SVlad Buslov 4765db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4766db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4767db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4768*a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4769db76ca24SVlad Buslov 4770db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4771db76ca24SVlad Buslov } 47724d8fcf21SAlaa Hleihel } 47734d8fcf21SAlaa Hleihel 47744d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 47754d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 47764d8fcf21SAlaa Hleihel { 47774d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 47784d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 47794d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 47804d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 47814d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 47824d8fcf21SAlaa Hleihel 47834d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 47844d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 47854d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 47864d8fcf21SAlaa Hleihel return NOTIFY_DONE; 47874d8fcf21SAlaa Hleihel 47884d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 47894d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 47904d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 47914d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 47924d8fcf21SAlaa Hleihel if (priv == peer_priv || 47934d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 47944d8fcf21SAlaa Hleihel return NOTIFY_DONE; 47954d8fcf21SAlaa Hleihel 47964d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 47974d8fcf21SAlaa Hleihel 47984d8fcf21SAlaa Hleihel return NOTIFY_DONE; 47994d8fcf21SAlaa Hleihel } 48004d8fcf21SAlaa Hleihel 48016a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 48026a064674SAriel Levkovich { 48036a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 48046a064674SAriel Levkovich u32 max_flow_counter; 48056a064674SAriel Levkovich 48066a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 48076a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 48086a064674SAriel Levkovich 48096a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 48106a064674SAriel Levkovich 48116a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 48126a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 48136a064674SAriel Levkovich 48146a064674SAriel Levkovich return tc_tbl_size; 48156a064674SAriel Levkovich } 48166a064674SAriel Levkovich 4817655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4818e8f887acSAmir Vadai { 4819acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 48206a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4821c9355682SChris Mi struct mapping_ctx *chains_mapping; 48226a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 48234d8fcf21SAlaa Hleihel int err; 4824e8f887acSAmir Vadai 4825b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4826b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4827b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 48285c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 482911c9c548SOr Gerlitz 48304d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 48314d8fcf21SAlaa Hleihel if (err) 48324d8fcf21SAlaa Hleihel return err; 48334d8fcf21SAlaa Hleihel 48349ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 48359ba33339SRoi Dayan 4836c9355682SChris Mi chains_mapping = mapping_create(sizeof(struct mlx5_mapped_obj), 4837c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 4838c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4839c9355682SChris Mi err = PTR_ERR(chains_mapping); 4840c9355682SChris Mi goto err_mapping; 4841c9355682SChris Mi } 4842c9355682SChris Mi tc->mapping = chains_mapping; 4843c9355682SChris Mi 4844c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4845c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4846c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 48476a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 48486a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 48496a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 48506783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4851c9355682SChris Mi attr.mapping = chains_mapping; 48526a064674SAriel Levkovich 48536a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 48546a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 48556a064674SAriel Levkovich err = PTR_ERR(tc->chains); 48566a064674SAriel Levkovich goto err_chains; 48576a064674SAriel Levkovich } 48586a064674SAriel Levkovich 4859aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4860aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_KERNEL); 4861aedd133dSAriel Levkovich 48624d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4863d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4864d48834f9SJiri Pirko &tc->netdevice_nb, 4865d48834f9SJiri Pirko &tc->netdevice_nn); 4866d48834f9SJiri Pirko if (err) { 48674d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 48684d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 48696a064674SAriel Levkovich goto err_reg; 48704d8fcf21SAlaa Hleihel } 48714d8fcf21SAlaa Hleihel 48726a064674SAriel Levkovich return 0; 48736a064674SAriel Levkovich 48746a064674SAriel Levkovich err_reg: 4875aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 48766a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 48776a064674SAriel Levkovich err_chains: 4878c9355682SChris Mi mapping_destroy(chains_mapping); 4879c9355682SChris Mi err_mapping: 48806a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 48814d8fcf21SAlaa Hleihel return err; 4882e8f887acSAmir Vadai } 4883e8f887acSAmir Vadai 4884e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4885e8f887acSAmir Vadai { 4886e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4887655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4888e8f887acSAmir Vadai 4889961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4890e8f887acSAmir Vadai kfree(flow); 4891e8f887acSAmir Vadai } 4892e8f887acSAmir Vadai 4893655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4894e8f887acSAmir Vadai { 4895acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4896e8f887acSAmir Vadai 48974d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4898d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4899d48834f9SJiri Pirko &tc->netdevice_nb, 4900d48834f9SJiri Pirko &tc->netdevice_nn); 49014d8fcf21SAlaa Hleihel 4902b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4903b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4904b32accdaSVlad Buslov 49056a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4906e8f887acSAmir Vadai 4907acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 49086a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4909acff797cSMaor Gottlieb tc->t = NULL; 4910e8f887acSAmir Vadai } 4911b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 49126a064674SAriel Levkovich 4913aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4914c9355682SChris Mi mapping_destroy(tc->mapping); 49156a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4916e8f887acSAmir Vadai } 4917655dc3d2SOr Gerlitz 4918655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4919655dc3d2SOr Gerlitz { 4920d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 49210a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4922aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 49230a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4924aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4925aedd133dSAriel Levkovich struct mlx5e_priv *priv; 4926aedd133dSAriel Levkovich int err = 0; 49270a7fcb78SPaul Blakey 49280a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4929aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4930aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4931aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 49320a7fcb78SPaul Blakey 4933aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4934aedd133dSAriel Levkovich esw_chains(esw), 4935aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4936aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_FDB); 49374c3844d9SPaul Blakey 49382a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 49392a9ab10aSChris Mi uplink_priv->esw_psample = mlx5_esw_sample_init(netdev_priv(priv->netdev)); 49402a9ab10aSChris Mi #endif 49412a9ab10aSChris Mi 49420a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 49430a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 49440a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 49450a7fcb78SPaul Blakey err = PTR_ERR(mapping); 49460a7fcb78SPaul Blakey goto err_tun_mapping; 49470a7fcb78SPaul Blakey } 49480a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 49490a7fcb78SPaul Blakey 49508e404fefSVlad Buslov /* 0xFFF is reserved for stack devices slow path table mark */ 49518e404fefSVlad Buslov mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK - 1, true); 49520a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 49530a7fcb78SPaul Blakey err = PTR_ERR(mapping); 49540a7fcb78SPaul Blakey goto err_enc_opts_mapping; 49550a7fcb78SPaul Blakey } 49560a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 49570a7fcb78SPaul Blakey 49580a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 49590a7fcb78SPaul Blakey if (err) 49600a7fcb78SPaul Blakey goto err_ht_init; 49610a7fcb78SPaul Blakey 49629ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 49639ba33339SRoi Dayan 49648914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 49652b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 49662b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 49678914add2SVlad Buslov goto err_register_fib_notifier; 49682b6c3c1eSWei Yongjun } 49698914add2SVlad Buslov 49702b6c3c1eSWei Yongjun return 0; 49710a7fcb78SPaul Blakey 49728914add2SVlad Buslov err_register_fib_notifier: 49738914add2SVlad Buslov rhashtable_destroy(tc_ht); 49740a7fcb78SPaul Blakey err_ht_init: 49750a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 49760a7fcb78SPaul Blakey err_enc_opts_mapping: 49770a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 49780a7fcb78SPaul Blakey err_tun_mapping: 49792a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 49802a9ab10aSChris Mi mlx5_esw_sample_cleanup(uplink_priv->esw_psample); 49812a9ab10aSChris Mi #endif 4982aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 49830a7fcb78SPaul Blakey netdev_warn(priv->netdev, 49840a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 49850a7fcb78SPaul Blakey return err; 4986655dc3d2SOr Gerlitz } 4987655dc3d2SOr Gerlitz 4988655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4989655dc3d2SOr Gerlitz { 49900a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 49910a7fcb78SPaul Blakey 49920a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4993aedd133dSAriel Levkovich 49948914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 49958914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 49968914add2SVlad Buslov 49970a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 49980a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 49994c3844d9SPaul Blakey 50002a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 50012a9ab10aSChris Mi mlx5_esw_sample_cleanup(uplink_priv->esw_psample); 50022a9ab10aSChris Mi #endif 5003aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5004655dc3d2SOr Gerlitz } 500501252a27SOr Gerlitz 5006226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 500701252a27SOr Gerlitz { 5008d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 500901252a27SOr Gerlitz 501001252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 501101252a27SOr Gerlitz } 501204de7ddaSRoi Dayan 501304de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 501404de7ddaSRoi Dayan { 501504de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 501604de7ddaSRoi Dayan 501704de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 501804de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 501904de7ddaSRoi Dayan } 5020b4a23329SRoi Dayan 5021b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5022b4a23329SRoi Dayan { 5023b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5024b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5025b4a23329SRoi Dayan reoffload_flows_work); 5026b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5027b4a23329SRoi Dayan 5028ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5029b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5030b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5031ad86755bSVlad Buslov unready_flow_del(flow); 5032b4a23329SRoi Dayan } 5033ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5034b4a23329SRoi Dayan } 5035e2394a61SVlad Buslov 5036e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5037e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5038e2394a61SVlad Buslov unsigned long flags) 5039e2394a61SVlad Buslov { 5040e2394a61SVlad Buslov switch (cls_flower->command) { 5041e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5042e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5043e2394a61SVlad Buslov flags); 5044e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5045e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5046e2394a61SVlad Buslov flags); 5047e2394a61SVlad Buslov case FLOW_CLS_STATS: 5048e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5049e2394a61SVlad Buslov flags); 5050e2394a61SVlad Buslov default: 5051e2394a61SVlad Buslov return -EOPNOTSUPP; 5052e2394a61SVlad Buslov } 5053e2394a61SVlad Buslov } 5054e2394a61SVlad Buslov 5055e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5056e2394a61SVlad Buslov void *cb_priv) 5057e2394a61SVlad Buslov { 5058ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5059e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5060e2394a61SVlad Buslov 50612ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 50622ff349c5SRoi Dayan return -EOPNOTSUPP; 50632ff349c5SRoi Dayan 5064ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5065ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5066ec9457a6SRoi Dayan else 5067ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5068ec9457a6SRoi Dayan 5069e2394a61SVlad Buslov switch (type) { 5070e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5071e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5072e2394a61SVlad Buslov default: 5073e2394a61SVlad Buslov return -EOPNOTSUPP; 5074e2394a61SVlad Buslov } 5075e2394a61SVlad Buslov } 5076c7569097SAriel Levkovich 5077c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5078c7569097SAriel Levkovich struct sk_buff *skb) 5079c7569097SAriel Levkovich { 5080c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5081aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5082c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5083aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5084a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5085c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5086c7569097SAriel Levkovich int err; 5087c7569097SAriel Levkovich 5088c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5089c7569097SAriel Levkovich 5090c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5091c7569097SAriel Levkovich 5092c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5093c7569097SAriel Levkovich if (err) { 5094c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5095c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5096c7569097SAriel Levkovich chain_tag, err); 5097c7569097SAriel Levkovich return false; 5098c7569097SAriel Levkovich } 5099c7569097SAriel Levkovich 5100a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5101a91d98a0SChris Mi chain = mapped_obj.chain; 51029453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5103c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5104c7569097SAriel Levkovich return false; 5105c7569097SAriel Levkovich 5106c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5107aedd133dSAriel Levkovich 5108aedd133dSAriel Levkovich zone_restore_id = (reg_b >> REG_MAPPING_SHIFT(NIC_ZONE_RESTORE_TO_REG)) & 510948d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5110aedd133dSAriel Levkovich 5111aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5112aedd133dSAriel Levkovich zone_restore_id)) 5113aedd133dSAriel Levkovich return false; 5114a91d98a0SChris Mi } else { 5115a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5116a91d98a0SChris Mi return false; 5117c7569097SAriel Levkovich } 5118c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5119c7569097SAriel Levkovich 5120c7569097SAriel Levkovich return true; 5121c7569097SAriel Levkovich } 5122