1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 38e8f887acSAmir Vadai #include <linux/mlx5/device.h> 39e8f887acSAmir Vadai #include <linux/rhashtable.h> 405a7e5bcbSVlad Buslov #include <linux/refcount.h> 41db76ca24SVlad Buslov #include <linux/completion.h> 42d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4326c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4441c2fd94SChris Mi #include <net/psample.h> 45f6dfb4c3SHadar Hen Zion #include <net/arp.h> 463616d08bSDavid Ahern #include <net/ipv6_stubs.h> 47f828ca6aSEli Cohen #include <net/bareudp.h> 48d34eb2fcSOr Gerlitz #include <net/bonding.h> 49e8f887acSAmir Vadai #include "en.h" 50f0da4daaSChris Mi #include "en/tc/post_act.h" 511d447a39SSaeed Mahameed #include "en_rep.h" 52768c3667SVlad Buslov #include "en/rep/tc.h" 53e2394a61SVlad Buslov #include "en/rep/neigh.h" 54232c0013SHadar Hen Zion #include "en_tc.h" 5503a9d11eSOr Gerlitz #include "eswitch.h" 563f6d08d1SOr Gerlitz #include "fs_core.h" 572c81bfd5SHuy Nguyen #include "en/port.h" 58101f4de9SOz Shlomo #include "en/tc_tun.h" 590a7fcb78SPaul Blakey #include "en/mapping.h" 604c3844d9SPaul Blakey #include "en/tc_ct.h" 61b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 620d9f9647SVlad Buslov #include "en/tc_priv.h" 630d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 640027d70cSChris Mi #include "en/tc/sample.h" 6504de7ddaSRoi Dayan #include "lib/devcom.h" 669272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 67ae430332SAriel Levkovich #include "lib/fs_chains.h" 687a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 691fe3e316SParav Pandit #include <asm/div64.h> 70e8f887acSAmir Vadai 716a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 72d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 7317091853SOr Gerlitz 74acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 756a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 76e8f887acSAmir Vadai 778f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 788f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 798f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 808f1e0b97SPaul Blakey .moffset = 0, 81ed2fe7baSPaul Blakey .mlen = 16, 828f1e0b97SPaul Blakey }, 8310742efcSVlad Buslov [VPORT_TO_REG] = { 8410742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 85ed2fe7baSPaul Blakey .moffset = 16, 86ed2fe7baSPaul Blakey .mlen = 16, 8710742efcSVlad Buslov }, 880a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 890a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 90ed2fe7baSPaul Blakey .moffset = 8, 91ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 920a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 930a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 940a7fcb78SPaul Blakey }, 954c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 96a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 974c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 984c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 994c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1004c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 10139c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 102c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 103c7569097SAriel Levkovich * jump between steering domains. 104c7569097SAriel Levkovich */ 105c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 106c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 107c7569097SAriel Levkovich .moffset = 0, 108ed2fe7baSPaul Blakey .mlen = 16, 109c7569097SAriel Levkovich }, 110aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1118f1e0b97SPaul Blakey }; 1128f1e0b97SPaul Blakey 1139ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1149ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1159ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1169ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1179ba33339SRoi Dayan * it's different than the ht->mutex here. 1189ba33339SRoi Dayan */ 1199ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1209ba33339SRoi Dayan 1210a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1220a7fcb78SPaul Blakey 1230a7fcb78SPaul Blakey void 1240a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1250a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 126ed2fe7baSPaul Blakey u32 val, 1270a7fcb78SPaul Blakey u32 mask) 1280a7fcb78SPaul Blakey { 129ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1300a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 131ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1320a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 133ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 134ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 135ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1360a7fcb78SPaul Blakey 1370a7fcb78SPaul Blakey fmask = headers_c + soffset; 1380a7fcb78SPaul Blakey fval = headers_v + soffset; 1390a7fcb78SPaul Blakey 140ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 141ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1420a7fcb78SPaul Blakey 143ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 144ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 145ed2fe7baSPaul Blakey 146ed2fe7baSPaul Blakey //move to correct offset 147ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 148ed2fe7baSPaul Blakey mask <<= moffset; 149ed2fe7baSPaul Blakey val <<= moffset; 150ed2fe7baSPaul Blakey max_mask <<= moffset; 151ed2fe7baSPaul Blakey 152ed2fe7baSPaul Blakey //zero val and mask 153ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 154ed2fe7baSPaul Blakey curr_val &= ~max_mask; 155ed2fe7baSPaul Blakey 156ed2fe7baSPaul Blakey //add current to mask 157ed2fe7baSPaul Blakey curr_mask |= mask; 158ed2fe7baSPaul Blakey curr_val |= val; 159ed2fe7baSPaul Blakey 160ed2fe7baSPaul Blakey //back to be32 and write 161ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 162ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 163ed2fe7baSPaul Blakey 164ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 165ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1660a7fcb78SPaul Blakey 1670a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1680a7fcb78SPaul Blakey } 1690a7fcb78SPaul Blakey 1707e36feebSPaul Blakey void 1717e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1727e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 173ed2fe7baSPaul Blakey u32 *val, 1747e36feebSPaul Blakey u32 *mask) 1757e36feebSPaul Blakey { 176ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1777e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 178ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1797e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 180ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 181ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 182ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1837e36feebSPaul Blakey 1847e36feebSPaul Blakey fmask = headers_c + soffset; 1857e36feebSPaul Blakey fval = headers_v + soffset; 1867e36feebSPaul Blakey 187ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 188ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1897e36feebSPaul Blakey 190ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 191ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 192ed2fe7baSPaul Blakey 193ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 194ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1957e36feebSPaul Blakey } 1967e36feebSPaul Blakey 1970a7fcb78SPaul Blakey int 198c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1990a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 200aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2010a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2020a7fcb78SPaul Blakey u32 data) 2030a7fcb78SPaul Blakey { 2040a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2050a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2060a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2070a7fcb78SPaul Blakey char *modact; 2080a7fcb78SPaul Blakey int err; 2090a7fcb78SPaul Blakey 210aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 2110a7fcb78SPaul Blakey if (err) 2120a7fcb78SPaul Blakey return err; 2130a7fcb78SPaul Blakey 2140a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2150a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2160a7fcb78SPaul Blakey 2170a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 218ed2fe7baSPaul Blakey if (mlen == 32) 2190a7fcb78SPaul Blakey mlen = 0; 2200a7fcb78SPaul Blakey 2210a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2220a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 223ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 224ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2250a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 226c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2270a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2280a7fcb78SPaul Blakey 229c7b9038dSVlad Buslov return err; 2300a7fcb78SPaul Blakey } 2310a7fcb78SPaul Blakey 232aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 233aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 234aedd133dSAriel Levkovich { 235aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 236aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 237aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 238aedd133dSAriel Levkovich 239e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 240aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 241aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 242aedd133dSAriel Levkovich 243aedd133dSAriel Levkovich return uplink_priv->ct_priv; 244aedd133dSAriel Levkovich } 245aedd133dSAriel Levkovich 246aedd133dSAriel Levkovich return priv->fs.tc.ct; 247aedd133dSAriel Levkovich } 248aedd133dSAriel Levkovich 249f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 2500027d70cSChris Mi static struct mlx5e_tc_psample * 251f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 252f94d6389SChris Mi { 253f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 254f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 255f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 256f94d6389SChris Mi 257f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 258f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 259f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 260f94d6389SChris Mi 2610027d70cSChris Mi return uplink_priv->tc_psample; 262f94d6389SChris Mi } 263f94d6389SChris Mi 264f94d6389SChris Mi return NULL; 265f94d6389SChris Mi } 266f94d6389SChris Mi #endif 267f94d6389SChris Mi 268aedd133dSAriel Levkovich struct mlx5_flow_handle * 269aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 270aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 271aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 272aedd133dSAriel Levkovich { 273aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 274aedd133dSAriel Levkovich 275e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 276aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 277aedd133dSAriel Levkovich 278aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 279aedd133dSAriel Levkovich } 280aedd133dSAriel Levkovich 281aedd133dSAriel Levkovich void 282aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 283aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 284aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 285aedd133dSAriel Levkovich { 286aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 287aedd133dSAriel Levkovich 288e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 289aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 290aedd133dSAriel Levkovich 291aedd133dSAriel Levkovich return; 292aedd133dSAriel Levkovich } 293aedd133dSAriel Levkovich 294aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 295aedd133dSAriel Levkovich } 296aedd133dSAriel Levkovich 297c7b9038dSVlad Buslov int 298c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 299c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 300c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 301c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 302c7b9038dSVlad Buslov u32 data) 303c7b9038dSVlad Buslov { 304c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 305c7b9038dSVlad Buslov 306c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 307c7b9038dSVlad Buslov } 308c7b9038dSVlad Buslov 309c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 310c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 311c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 312c7b9038dSVlad Buslov int act_id, u32 data) 313c7b9038dSVlad Buslov { 314c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 315c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 316c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 317c7b9038dSVlad Buslov char *modact; 318c7b9038dSVlad Buslov 319c7b9038dSVlad Buslov modact = mod_hdr_acts->actions + (act_id * MLX5_MH_ACT_SZ); 320c7b9038dSVlad Buslov 321c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 322ed2fe7baSPaul Blakey if (mlen == 32) 323c7b9038dSVlad Buslov mlen = 0; 324c7b9038dSVlad Buslov 325c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 326c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 327ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 328ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 329c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 330c7b9038dSVlad Buslov } 331c7b9038dSVlad Buslov 33277ab67b7SOr Gerlitz struct mlx5e_hairpin { 33377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 33477ab67b7SOr Gerlitz 33577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3363f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 33777ab67b7SOr Gerlitz u32 tdn; 338a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3393f6d08d1SOr Gerlitz 3403f6d08d1SOr Gerlitz int num_channels; 3413f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 342a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 343f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 34477ab67b7SOr Gerlitz }; 34577ab67b7SOr Gerlitz 3465c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3475c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3485c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3495c65c564SOr Gerlitz 35073edca73SVlad Buslov /* protects flows list */ 35173edca73SVlad Buslov spinlock_t flows_lock; 3525c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3535c65c564SOr Gerlitz struct list_head flows; 354db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 355db76ca24SVlad Buslov * function traversed them. 356db76ca24SVlad Buslov */ 357db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3585c65c564SOr Gerlitz 359d8822868SOr Gerlitz u16 peer_vhca_id; 360106be53bSOr Gerlitz u8 prio; 3615c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 362e4f9abbdSVlad Buslov refcount_t refcnt; 363db76ca24SVlad Buslov struct completion res_ready; 3645c65c564SOr Gerlitz }; 3655c65c564SOr Gerlitz 3665a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3675a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3685a7e5bcbSVlad Buslov 3690d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3705a7e5bcbSVlad Buslov { 3715a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3725a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3735a7e5bcbSVlad Buslov return flow; 3745a7e5bcbSVlad Buslov } 3755a7e5bcbSVlad Buslov 3760d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3775a7e5bcbSVlad Buslov { 3785a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3795a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 380c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3815a7e5bcbSVlad Buslov } 3825a7e5bcbSVlad Buslov } 3835a7e5bcbSVlad Buslov 384aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 385226f2ca3SVlad Buslov { 386226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 387226f2ca3SVlad Buslov } 388226f2ca3SVlad Buslov 38984179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 39084179981SPaul Blakey { 39184179981SPaul Blakey return flow_flag_test(flow, FT); 39284179981SPaul Blakey } 39384179981SPaul Blakey 3940d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 395226f2ca3SVlad Buslov { 396226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 397226f2ca3SVlad Buslov } 398226f2ca3SVlad Buslov 399d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 400d2faae25SVlad Buslov { 401d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 402d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 403d2faae25SVlad Buslov } 404b2fdf3d0SPaul Blakey 405b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 406b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 407b2fdf3d0SPaul Blakey { 408b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 409b2fdf3d0SPaul Blakey 410b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 411b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 412b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 413b2fdf3d0SPaul Blakey } 414b2fdf3d0SPaul Blakey 41511c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 41611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 41711c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 41811c9c548SOr Gerlitz { 419b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 420b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 42111c9c548SOr Gerlitz 422b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 423b2fdf3d0SPaul Blakey get_flow_name_space(flow), 424b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 425b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 426b2fdf3d0SPaul Blakey return PTR_ERR(mh); 42711c9c548SOr Gerlitz 428b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 429c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 430b2fdf3d0SPaul Blakey flow->mh = mh; 43111c9c548SOr Gerlitz 43211c9c548SOr Gerlitz return 0; 43311c9c548SOr Gerlitz } 43411c9c548SOr Gerlitz 43511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 43611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 43711c9c548SOr Gerlitz { 4385a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 439dd58edc3SVlad Buslov if (!flow->mh) 4405a7e5bcbSVlad Buslov return; 4415a7e5bcbSVlad Buslov 442b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 443b2fdf3d0SPaul Blakey flow->mh); 444dd58edc3SVlad Buslov flow->mh = NULL; 44511c9c548SOr Gerlitz } 44611c9c548SOr Gerlitz 44777ab67b7SOr Gerlitz static 44877ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 44977ab67b7SOr Gerlitz { 450b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 45177ab67b7SOr Gerlitz struct net_device *netdev; 45277ab67b7SOr Gerlitz struct mlx5e_priv *priv; 45377ab67b7SOr Gerlitz 454b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 455b1c2f631SDima Chumak if (!netdev) 456b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 457b1c2f631SDima Chumak 45877ab67b7SOr Gerlitz priv = netdev_priv(netdev); 459b1c2f631SDima Chumak mdev = priv->mdev; 460b1c2f631SDima Chumak dev_put(netdev); 461b1c2f631SDima Chumak 462b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 463b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 464b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 465b1c2f631SDima Chumak * 466b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 467b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 468b1c2f631SDima Chumak * removed. 469b1c2f631SDima Chumak * 470b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 471b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 472b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 473b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 474b1c2f631SDima Chumak */ 475b1c2f631SDima Chumak return mdev; 47677ab67b7SOr Gerlitz } 47777ab67b7SOr Gerlitz 47877ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 47977ab67b7SOr Gerlitz { 480a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 48177ab67b7SOr Gerlitz int err; 48277ab67b7SOr Gerlitz 483a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 484a6696735SMaxim Mikityanskiy if (!builder) 485a6696735SMaxim Mikityanskiy return -ENOMEM; 486a6696735SMaxim Mikityanskiy 48777ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 48877ab67b7SOr Gerlitz if (err) 489a6696735SMaxim Mikityanskiy goto out; 49077ab67b7SOr Gerlitz 491a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 492a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 49377ab67b7SOr Gerlitz if (err) 49477ab67b7SOr Gerlitz goto create_tir_err; 49577ab67b7SOr Gerlitz 496a6696735SMaxim Mikityanskiy out: 497a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 498a6696735SMaxim Mikityanskiy return err; 49977ab67b7SOr Gerlitz 50077ab67b7SOr Gerlitz create_tir_err: 50177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 502a6696735SMaxim Mikityanskiy 503a6696735SMaxim Mikityanskiy goto out; 50477ab67b7SOr Gerlitz } 50577ab67b7SOr Gerlitz 50677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 50777ab67b7SOr Gerlitz { 508a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 50977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 51077ab67b7SOr Gerlitz } 51177ab67b7SOr Gerlitz 5123f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5133f6d08d1SOr Gerlitz { 5143f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5153f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 51606e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 51706e9f13aSMaxim Mikityanskiy int err; 5183f6d08d1SOr Gerlitz 51906e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 52006e9f13aSMaxim Mikityanskiy if (!indir) 5213f6d08d1SOr Gerlitz return -ENOMEM; 5223f6d08d1SOr Gerlitz 52343befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 52406e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 52543ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 52643ec0f41SMaxim Mikityanskiy indir); 5273f6d08d1SOr Gerlitz 52806e9f13aSMaxim Mikityanskiy kvfree(indir); 5293f6d08d1SOr Gerlitz return err; 5303f6d08d1SOr Gerlitz } 5313f6d08d1SOr Gerlitz 5323f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5333f6d08d1SOr Gerlitz { 5343f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 53543ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 536d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 537a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 538a6696735SMaxim Mikityanskiy int err = 0; 539a6696735SMaxim Mikityanskiy 540a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 541a6696735SMaxim Mikityanskiy if (!builder) 542a6696735SMaxim Mikityanskiy return -ENOMEM; 543a6696735SMaxim Mikityanskiy 54443ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5453f6d08d1SOr Gerlitz 5463f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 54765d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 548d930ac79SAya Levin 54965d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5503f6d08d1SOr Gerlitz 551a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 552a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 553a6696735SMaxim Mikityanskiy false); 55443ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 555bbeb53b8SAya Levin 556a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5573f6d08d1SOr Gerlitz if (err) { 5583f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5593f6d08d1SOr Gerlitz goto err_destroy_tirs; 5603f6d08d1SOr Gerlitz } 561a6696735SMaxim Mikityanskiy 562a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5633f6d08d1SOr Gerlitz } 564a6696735SMaxim Mikityanskiy 565a6696735SMaxim Mikityanskiy out: 566a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 567a6696735SMaxim Mikityanskiy return err; 5683f6d08d1SOr Gerlitz 5693f6d08d1SOr Gerlitz err_destroy_tirs: 570a6696735SMaxim Mikityanskiy max_tt = tt; 571a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 572a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 573a6696735SMaxim Mikityanskiy 574a6696735SMaxim Mikityanskiy goto out; 5753f6d08d1SOr Gerlitz } 5763f6d08d1SOr Gerlitz 5773f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5783f6d08d1SOr Gerlitz { 5793f6d08d1SOr Gerlitz int tt; 5803f6d08d1SOr Gerlitz 5813f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 582a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 5833f6d08d1SOr Gerlitz } 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5863f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5873f6d08d1SOr Gerlitz { 5883f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5893f6d08d1SOr Gerlitz int tt; 5903f6d08d1SOr Gerlitz 5913f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5923f6d08d1SOr Gerlitz 593bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 594bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 595bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 596bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 597bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 598bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 599bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 600bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 601bc29764eSMaor Gottlieb } 6023f6d08d1SOr Gerlitz 6033f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6043f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6053f6d08d1SOr Gerlitz } 6063f6d08d1SOr Gerlitz 6073f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6083f6d08d1SOr Gerlitz { 6093f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6103f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6113f6d08d1SOr Gerlitz int err; 6123f6d08d1SOr Gerlitz 6133f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6143f6d08d1SOr Gerlitz if (err) 6153f6d08d1SOr Gerlitz return err; 6163f6d08d1SOr Gerlitz 6173f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6183f6d08d1SOr Gerlitz if (err) 6193f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 622f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 623f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 624f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6253f6d08d1SOr Gerlitz goto err_create_ttc_table; 626f4b45940SMaor Gottlieb } 6273f6d08d1SOr Gerlitz 6283f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 629f4b45940SMaor Gottlieb hp->num_channels, 630f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6313f6d08d1SOr Gerlitz 6323f6d08d1SOr Gerlitz return 0; 6333f6d08d1SOr Gerlitz 6343f6d08d1SOr Gerlitz err_create_ttc_table: 6353f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6363f6d08d1SOr Gerlitz err_create_indirect_tirs: 63706e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6383f6d08d1SOr Gerlitz 6393f6d08d1SOr Gerlitz return err; 6403f6d08d1SOr Gerlitz } 6413f6d08d1SOr Gerlitz 6423f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6433f6d08d1SOr Gerlitz { 644f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6453f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 64606e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6473f6d08d1SOr Gerlitz } 6483f6d08d1SOr Gerlitz 64977ab67b7SOr Gerlitz static struct mlx5e_hairpin * 65077ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 65177ab67b7SOr Gerlitz int peer_ifindex) 65277ab67b7SOr Gerlitz { 65377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 65477ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 65577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 65677ab67b7SOr Gerlitz int err; 65777ab67b7SOr Gerlitz 65877ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 65977ab67b7SOr Gerlitz if (!hp) 66077ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 66177ab67b7SOr Gerlitz 66277ab67b7SOr Gerlitz func_mdev = priv->mdev; 66377ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 664b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 665b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 666b1c2f631SDima Chumak goto create_pair_err; 667b1c2f631SDima Chumak } 66877ab67b7SOr Gerlitz 66977ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 67077ab67b7SOr Gerlitz if (IS_ERR(pair)) { 67177ab67b7SOr Gerlitz err = PTR_ERR(pair); 67277ab67b7SOr Gerlitz goto create_pair_err; 67377ab67b7SOr Gerlitz } 67477ab67b7SOr Gerlitz hp->pair = pair; 67577ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6763f6d08d1SOr Gerlitz hp->func_priv = priv; 6773f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 67877ab67b7SOr Gerlitz 67977ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 68077ab67b7SOr Gerlitz if (err) 68177ab67b7SOr Gerlitz goto create_transport_err; 68277ab67b7SOr Gerlitz 6833f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6843f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6853f6d08d1SOr Gerlitz if (err) 6863f6d08d1SOr Gerlitz goto rss_init_err; 6873f6d08d1SOr Gerlitz } 6883f6d08d1SOr Gerlitz 68977ab67b7SOr Gerlitz return hp; 69077ab67b7SOr Gerlitz 6913f6d08d1SOr Gerlitz rss_init_err: 6923f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 69377ab67b7SOr Gerlitz create_transport_err: 69477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 69577ab67b7SOr Gerlitz create_pair_err: 69677ab67b7SOr Gerlitz kfree(hp); 69777ab67b7SOr Gerlitz return ERR_PTR(err); 69877ab67b7SOr Gerlitz } 69977ab67b7SOr Gerlitz 70077ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 70177ab67b7SOr Gerlitz { 7023f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7033f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 70477ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70577ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70677ab67b7SOr Gerlitz kvfree(hp); 70777ab67b7SOr Gerlitz } 70877ab67b7SOr Gerlitz 709106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 710106be53bSOr Gerlitz { 711106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 712106be53bSOr Gerlitz } 713106be53bSOr Gerlitz 7145c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 715106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7165c65c564SOr Gerlitz { 7175c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 718106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7195c65c564SOr Gerlitz 7205c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 721106be53bSOr Gerlitz hairpin_hlist, hash_key) { 722e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 723e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7245c65c564SOr Gerlitz return hpe; 7255c65c564SOr Gerlitz } 726e4f9abbdSVlad Buslov } 7275c65c564SOr Gerlitz 7285c65c564SOr Gerlitz return NULL; 7295c65c564SOr Gerlitz } 7305c65c564SOr Gerlitz 731e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 732e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 733e4f9abbdSVlad Buslov { 734e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 735b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 736e4f9abbdSVlad Buslov return; 737b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 738b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 739e4f9abbdSVlad Buslov 740db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 741e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 742e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 743e4f9abbdSVlad Buslov 744e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 745db76ca24SVlad Buslov } 746db76ca24SVlad Buslov 747db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 748e4f9abbdSVlad Buslov kfree(hpe); 749e4f9abbdSVlad Buslov } 750e4f9abbdSVlad Buslov 751106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 752106be53bSOr Gerlitz 753106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 754e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 755e98bedf5SEli Britstein struct netlink_ext_ack *extack) 756106be53bSOr Gerlitz { 757106be53bSOr Gerlitz void *headers_c, *headers_v; 758106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 759106be53bSOr Gerlitz bool vlan_present; 760106be53bSOr Gerlitz 761106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 762106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 763e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 764e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 765106be53bSOr Gerlitz return -EOPNOTSUPP; 766106be53bSOr Gerlitz } 767106be53bSOr Gerlitz #endif 768106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 769106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 770106be53bSOr Gerlitz 771106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 772106be53bSOr Gerlitz if (vlan_present) { 773106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 774106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 775106be53bSOr Gerlitz } 776106be53bSOr Gerlitz 777106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 778106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 779106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 780e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 781e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 782106be53bSOr Gerlitz return -EOPNOTSUPP; 783106be53bSOr Gerlitz } 784106be53bSOr Gerlitz 785106be53bSOr Gerlitz *match_prio = prio_val; 786106be53bSOr Gerlitz return 0; 787106be53bSOr Gerlitz } 788106be53bSOr Gerlitz 7895c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7905c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 791e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 792e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7935c65c564SOr Gerlitz { 79498b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7955c65c564SOr Gerlitz struct mlx5_hairpin_params params; 796d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7975c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7985c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7993f6d08d1SOr Gerlitz u64 link_speed64; 8003f6d08d1SOr Gerlitz u32 link_speed; 801106be53bSOr Gerlitz u8 match_prio; 802d8822868SOr Gerlitz u16 peer_id; 8035c65c564SOr Gerlitz int err; 8045c65c564SOr Gerlitz 805d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 806b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 807b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 808b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 809b1c2f631SDima Chumak } 810b1c2f631SDima Chumak 811d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 812e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8135c65c564SOr Gerlitz return -EOPNOTSUPP; 8145c65c564SOr Gerlitz } 8155c65c564SOr Gerlitz 816d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 817e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 818e98bedf5SEli Britstein extack); 819106be53bSOr Gerlitz if (err) 820106be53bSOr Gerlitz return err; 821b32accdaSVlad Buslov 822b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 823106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 824db76ca24SVlad Buslov if (hpe) { 825db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 826db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 827db76ca24SVlad Buslov 828db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 829db76ca24SVlad Buslov err = -EREMOTEIO; 830db76ca24SVlad Buslov goto out_err; 831db76ca24SVlad Buslov } 8325c65c564SOr Gerlitz goto attach_flow; 833db76ca24SVlad Buslov } 8345c65c564SOr Gerlitz 8355c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 836b32accdaSVlad Buslov if (!hpe) { 837db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 838db76ca24SVlad Buslov return -ENOMEM; 839b32accdaSVlad Buslov } 8405c65c564SOr Gerlitz 84173edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8425c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 843db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 844d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 845106be53bSOr Gerlitz hpe->prio = match_prio; 846e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 847db76ca24SVlad Buslov init_completion(&hpe->res_ready); 848db76ca24SVlad Buslov 849db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 850db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 851db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8525c65c564SOr Gerlitz 8536cdc686aSAriel Levkovich params.log_data_size = 16; 8545c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8555c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8565c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8575c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8585c65c564SOr Gerlitz 859eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 860eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 861eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 862eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 863eb9180f7SOr Gerlitz 864eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8653f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8662c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8673f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8683f6d08d1SOr Gerlitz link_speed64 = link_speed; 8693f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8703f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8713f6d08d1SOr Gerlitz 8725c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 873db76ca24SVlad Buslov hpe->hp = hp; 874db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8755c65c564SOr Gerlitz if (IS_ERR(hp)) { 8765c65c564SOr Gerlitz err = PTR_ERR(hp); 877db76ca24SVlad Buslov goto out_err; 8785c65c564SOr Gerlitz } 8795c65c564SOr Gerlitz 880eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 881a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 88227b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 883eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8845c65c564SOr Gerlitz 8855c65c564SOr Gerlitz attach_flow: 8863f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 887226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 888f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 889f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 8903f6d08d1SOr Gerlitz } else { 891a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 8923f6d08d1SOr Gerlitz } 893b32accdaSVlad Buslov 894e4f9abbdSVlad Buslov flow->hpe = hpe; 89573edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8965c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 89773edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8983f6d08d1SOr Gerlitz 8995c65c564SOr Gerlitz return 0; 9005c65c564SOr Gerlitz 901db76ca24SVlad Buslov out_err: 902db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9035c65c564SOr Gerlitz return err; 9045c65c564SOr Gerlitz } 9055c65c564SOr Gerlitz 9065c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9075c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9085c65c564SOr Gerlitz { 9095a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 910e4f9abbdSVlad Buslov if (!flow->hpe) 9115a7e5bcbSVlad Buslov return; 9125a7e5bcbSVlad Buslov 91373edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9145c65c564SOr Gerlitz list_del(&flow->hairpin); 91573edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 91673edca73SVlad Buslov 917e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 918e4f9abbdSVlad Buslov flow->hpe = NULL; 9195c65c564SOr Gerlitz } 9205c65c564SOr Gerlitz 92108247066SAriel Levkovich struct mlx5_flow_handle * 92208247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 92308247066SAriel Levkovich struct mlx5_flow_spec *spec, 924c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 925e8f887acSAmir Vadai { 92608247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 927c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 928c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9296a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9305c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 93166958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9323bc4b7bfSOr Gerlitz .action = attr->action, 933bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 93466958ed9SHadar Hen Zion }; 93508247066SAriel Levkovich struct mlx5_flow_handle *rule; 936c7569097SAriel Levkovich struct mlx5_flow_table *ft; 93708247066SAriel Levkovich int dest_ix = 0; 938e8f887acSAmir Vadai 939bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 940c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 941bb0ee7dcSJianbo Liu 942aedd133dSAriel Levkovich if (attr->dest_ft) { 943aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 944aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 945aedd133dSAriel Levkovich dest_ix++; 946aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9473f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 948c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 94908247066SAriel Levkovich dest_ix++; 950c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9515c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 952c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9533f6d08d1SOr Gerlitz dest_ix++; 9543f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9555c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 956c7569097SAriel Levkovich if (attr->dest_chain) { 957c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 958c7569097SAriel Levkovich attr->dest_chain, 1, 959c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 960c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 961c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 962c7569097SAriel Levkovich } else { 9636783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 964c7569097SAriel Levkovich } 9655c65c564SOr Gerlitz dest_ix++; 9665c65c564SOr Gerlitz } 967aad7e08dSAmir Vadai 968c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 969c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 970c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 971c7569097SAriel Levkovich 97208247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9735c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 97408247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9755c65c564SOr Gerlitz dest_ix++; 976aad7e08dSAmir Vadai } 977aad7e08dSAmir Vadai 97808247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9792b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9802f4fe4caSOr Gerlitz 9816a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9826a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9836a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9846a064674SAriel Levkovich tc->t = 985c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 98621b9c144SOr Gerlitz 9876a064674SAriel Levkovich if (IS_ERR(tc->t)) { 9886a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 989e8f887acSAmir Vadai netdev_err(priv->netdev, 990e8f887acSAmir Vadai "Failed to create tc offload table\n"); 991c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 992c7569097SAriel Levkovich goto err_ft_get; 993e8f887acSAmir Vadai } 994e8f887acSAmir Vadai } 99508247066SAriel Levkovich mutex_unlock(&tc->t_lock); 996e8f887acSAmir Vadai 997aedd133dSAriel Levkovich if (attr->chain || attr->prio) 998c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 999c7569097SAriel Levkovich attr->chain, attr->prio, 1000c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1001aedd133dSAriel Levkovich else 1002aedd133dSAriel Levkovich ft = attr->ft; 1003aedd133dSAriel Levkovich 1004c7569097SAriel Levkovich if (IS_ERR(ft)) { 1005c7569097SAriel Levkovich rule = ERR_CAST(ft); 1006c7569097SAriel Levkovich goto err_ft_get; 1007c7569097SAriel Levkovich } 1008c7569097SAriel Levkovich 1009c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 101008247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 101138aa51c1SOr Gerlitz 1012c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10135c65c564SOr Gerlitz &flow_act, dest, dest_ix); 101408247066SAriel Levkovich if (IS_ERR(rule)) 1015c7569097SAriel Levkovich goto err_rule; 101608247066SAriel Levkovich 101708247066SAriel Levkovich return rule; 1018c7569097SAriel Levkovich 1019c7569097SAriel Levkovich err_rule: 1020aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1021c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1022c7569097SAriel Levkovich attr->chain, attr->prio, 1023c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1024c7569097SAriel Levkovich err_ft_get: 1025c7569097SAriel Levkovich if (attr->dest_chain) 1026c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1027c7569097SAriel Levkovich attr->dest_chain, 1, 1028c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1029c7569097SAriel Levkovich 1030c7569097SAriel Levkovich return ERR_CAST(rule); 103108247066SAriel Levkovich } 103208247066SAriel Levkovich 103308247066SAriel Levkovich static int 103408247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 103508247066SAriel Levkovich struct mlx5e_tc_flow *flow, 103608247066SAriel Levkovich struct netlink_ext_ack *extack) 103708247066SAriel Levkovich { 1038c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1039c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 104008247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 104197a8d29aSRoi Dayan struct mlx5_fc *counter; 104208247066SAriel Levkovich int err; 104308247066SAriel Levkovich 1044c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1045c6cfe113SRoi Dayan 104608247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 104708247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 104808247066SAriel Levkovich if (err) 104908247066SAriel Levkovich return err; 105008247066SAriel Levkovich } 105108247066SAriel Levkovich 105208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 105308247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 105408247066SAriel Levkovich if (IS_ERR(counter)) 105508247066SAriel Levkovich return PTR_ERR(counter); 105608247066SAriel Levkovich 105708247066SAriel Levkovich attr->counter = counter; 105808247066SAriel Levkovich } 105908247066SAriel Levkovich 106008247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 106108247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 106208247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 106308247066SAriel Levkovich if (err) 106408247066SAriel Levkovich return err; 106508247066SAriel Levkovich } 106608247066SAriel Levkovich 1067aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1068aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1069aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1070aedd133dSAriel Levkovich else 107108247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 107208247066SAriel Levkovich attr); 1073e8f887acSAmir Vadai 1074a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1075e8f887acSAmir Vadai } 1076e8f887acSAmir Vadai 107708247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1078c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1079c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 108008247066SAriel Levkovich { 1081c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1082c7569097SAriel Levkovich 108308247066SAriel Levkovich mlx5_del_flow_rules(rule); 1084c7569097SAriel Levkovich 1085aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1086c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1087c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1088c7569097SAriel Levkovich 1089c7569097SAriel Levkovich if (attr->dest_chain) 1090c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1091c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 109208247066SAriel Levkovich } 109308247066SAriel Levkovich 1094d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1095d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1096d85cdccbSOr Gerlitz { 1097c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 10986a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1099d85cdccbSOr Gerlitz 1100c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1101c7569097SAriel Levkovich 1102aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1103aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1104aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1105aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1106aedd133dSAriel Levkovich 1107c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1108c7569097SAriel Levkovich * extra steering hops. 1109c7569097SAriel Levkovich */ 1110b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11116a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11126a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11136a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1114d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1115d85cdccbSOr Gerlitz } 1116b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11172f4fe4caSOr Gerlitz 1118aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1119aedd133dSAriel Levkovich 1120513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11213099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11225c65c564SOr Gerlitz 1123aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1124aedd133dSAriel Levkovich 1125226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11265c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1127c620b772SAriel Levkovich 1128c620b772SAriel Levkovich kfree(flow->attr); 1129d85cdccbSOr Gerlitz } 1130d85cdccbSOr Gerlitz 11310d9f9647SVlad Buslov struct mlx5_flow_handle * 11326d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11336d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11346d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1135c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11366d2a3ed0SOr Gerlitz { 11371ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11386d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11394c3844d9SPaul Blakey 114089e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 114189e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 114289e39467SPaul Blakey 11431ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11441ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11451ef3018fSPaul Blakey 114669e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1147aedd133dSAriel Levkovich flow, spec, attr, 11481ef3018fSPaul Blakey mod_hdr_acts); 1149f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 1150f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1151ee950e5dSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr, 1152ee950e5dSChris Mi mlx5e_tc_get_flow_tun_id(flow)); 1153f94d6389SChris Mi #endif 115469e2916eSPaul Blakey } else { 115569e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11561ef3018fSPaul Blakey } 11576d2a3ed0SOr Gerlitz 11586d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11596d2a3ed0SOr Gerlitz return rule; 11606d2a3ed0SOr Gerlitz 1161c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11626d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11636d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 116469e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 116569e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 116669e2916eSPaul Blakey else 11676d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11686d2a3ed0SOr Gerlitz return flow->rule[1]; 11696d2a3ed0SOr Gerlitz } 11706d2a3ed0SOr Gerlitz } 11716d2a3ed0SOr Gerlitz 11726d2a3ed0SOr Gerlitz return rule; 11736d2a3ed0SOr Gerlitz } 11746d2a3ed0SOr Gerlitz 11750d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11766d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1177c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11786d2a3ed0SOr Gerlitz { 1179226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11806d2a3ed0SOr Gerlitz 118189e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 118289e39467SPaul Blakey goto offload_rule_0; 118389e39467SPaul Blakey 11844c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1185aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11864c3844d9SPaul Blakey return; 11874c3844d9SPaul Blakey } 11884c3844d9SPaul Blakey 1189f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 1190f94d6389SChris Mi if (flow_flag_test(flow, SAMPLE)) { 11910027d70cSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 1192f94d6389SChris Mi return; 1193f94d6389SChris Mi } 1194f94d6389SChris Mi #endif 1195f94d6389SChris Mi 1196c620b772SAriel Levkovich if (attr->esw_attr->split_count) 11976d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11986d2a3ed0SOr Gerlitz 119989e39467SPaul Blakey offload_rule_0: 12006d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12016d2a3ed0SOr Gerlitz } 12026d2a3ed0SOr Gerlitz 12030d9f9647SVlad Buslov struct mlx5_flow_handle * 12045dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12055dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1206178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12075dbe906fSPaul Blakey { 1208c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12095dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12105dbe906fSPaul Blakey 1211c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1212c620b772SAriel Levkovich if (!slow_attr) 1213c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12145dbe906fSPaul Blakey 1215c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1216c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1217c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1218c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1219c620b772SAriel Levkovich 1220c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12215dbe906fSPaul Blakey if (!IS_ERR(rule)) 1222226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12235dbe906fSPaul Blakey 1224c620b772SAriel Levkovich kfree(slow_attr); 1225c620b772SAriel Levkovich 12265dbe906fSPaul Blakey return rule; 12275dbe906fSPaul Blakey } 12285dbe906fSPaul Blakey 12290d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1230178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12315dbe906fSPaul Blakey { 1232c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1233178f69b4SEli Cohen 1234c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12355efbe617SAriel Levkovich if (!slow_attr) { 12365efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12375efbe617SAriel Levkovich return; 12385efbe617SAriel Levkovich } 1239c620b772SAriel Levkovich 1240c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1241c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1242c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1243c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1244c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1245226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1246c620b772SAriel Levkovich kfree(slow_attr); 12475dbe906fSPaul Blakey } 12485dbe906fSPaul Blakey 1249ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1250ad86755bSVlad Buslov * function. 1251ad86755bSVlad Buslov */ 1252ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1253ad86755bSVlad Buslov struct list_head *unready_flows) 1254ad86755bSVlad Buslov { 1255ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1256ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1257ad86755bSVlad Buslov } 1258ad86755bSVlad Buslov 1259ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1260ad86755bSVlad Buslov * function. 1261ad86755bSVlad Buslov */ 1262ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1263ad86755bSVlad Buslov { 1264ad86755bSVlad Buslov list_del(&flow->unready); 1265ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1266ad86755bSVlad Buslov } 1267ad86755bSVlad Buslov 1268b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1269b4a23329SRoi Dayan { 1270b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1271b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1272b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1273b4a23329SRoi Dayan 1274b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1275b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1276b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1277b4a23329SRoi Dayan 1278ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1279ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1280ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1281b4a23329SRoi Dayan } 1282b4a23329SRoi Dayan 1283b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1284b4a23329SRoi Dayan { 1285ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1286ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1287ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1288ad86755bSVlad Buslov 1289ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1290ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1291ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1292ad86755bSVlad Buslov 1293ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1294ad86755bSVlad Buslov unready_flow_del(flow); 1295ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1296b4a23329SRoi Dayan } 1297b4a23329SRoi Dayan 129810742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 129910742efcSVlad Buslov 1300a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 130110742efcSVlad Buslov { 130210742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 130310742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 130410742efcSVlad Buslov 130510742efcSVlad Buslov out_priv = netdev_priv(out_dev); 130610742efcSVlad Buslov out_mdev = out_priv->mdev; 130710742efcSVlad Buslov route_priv = netdev_priv(route_dev); 130810742efcSVlad Buslov route_mdev = route_priv->mdev; 130910742efcSVlad Buslov 131010742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 131110742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 131210742efcSVlad Buslov return false; 131310742efcSVlad Buslov 131410742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 131510742efcSVlad Buslov } 131610742efcSVlad Buslov 1317a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 131810742efcSVlad Buslov { 131910742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1320f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 132110742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 132210742efcSVlad Buslov struct mlx5_eswitch *esw; 132310742efcSVlad Buslov u16 vhca_id; 132410742efcSVlad Buslov int err; 132510742efcSVlad Buslov 132610742efcSVlad Buslov out_priv = netdev_priv(out_dev); 132710742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 132810742efcSVlad Buslov route_priv = netdev_priv(route_dev); 132910742efcSVlad Buslov route_mdev = route_priv->mdev; 133010742efcSVlad Buslov 133110742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1332f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1333f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1334f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1335f9d196bdSDmytro Linkin * eswitch. 1336f9d196bdSDmytro Linkin */ 133710742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1338f9d196bdSDmytro Linkin if (err != -ENOENT) 1339f9d196bdSDmytro Linkin return err; 1340f9d196bdSDmytro Linkin 1341f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1342f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1343f9d196bdSDmytro Linkin if (!esw) 1344f9d196bdSDmytro Linkin return -ENODEV; 1345f9d196bdSDmytro Linkin } 1346f9d196bdSDmytro Linkin 1347f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1348f9d196bdSDmytro Linkin if (devcom) 1349f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 135010742efcSVlad Buslov return err; 135110742efcSVlad Buslov } 135210742efcSVlad Buslov 1353c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1354c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1355c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1356c7b9038dSVlad Buslov { 1357c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1358c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1359c7b9038dSVlad Buslov 1360c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1361c7b9038dSVlad Buslov get_flow_name_space(flow), 1362c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1363c7b9038dSVlad Buslov mod_hdr_acts->actions); 1364c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1365c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1366c7b9038dSVlad Buslov 1367c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1368c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1369c7b9038dSVlad Buslov 1370c7b9038dSVlad Buslov return 0; 1371c7b9038dSVlad Buslov } 1372c7b9038dSVlad Buslov 1373c83954abSRabie Loulou static int 137474491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1375e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1376e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1377adb4c123SOr Gerlitz { 1378adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1379c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1380c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13818914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1382fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1383c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13843c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13853c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 138697a8d29aSRoi Dayan struct mlx5_fc *counter; 138739ac237cSPaul Blakey u32 max_prio, max_chain; 13880ad060eeSRoi Dayan int err = 0; 1389f493f155SEli Britstein int out_index; 13908b32580dSOr Gerlitz 139184179981SPaul Blakey /* We check chain range only for tc flows. 139284179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 139384179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 139484179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 139584179981SPaul Blakey */ 1396ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 139784179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 139861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 139961644c3dSRoi Dayan "Requested chain is out of supported range"); 14008914add2SVlad Buslov err = -EOPNOTSUPP; 14018914add2SVlad Buslov goto err_out; 1402bf07aa73SPaul Blakey } 1403bf07aa73SPaul Blakey 1404ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1405bf07aa73SPaul Blakey if (attr->prio > max_prio) { 140661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 140761644c3dSRoi Dayan "Requested priority is out of supported range"); 14088914add2SVlad Buslov err = -EOPNOTSUPP; 14098914add2SVlad Buslov goto err_out; 1410bf07aa73SPaul Blakey } 1411bf07aa73SPaul Blakey 1412777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1413777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1414777bb800SVlad Buslov if (err) 14158914add2SVlad Buslov goto err_out; 1416777bb800SVlad Buslov } 1417777bb800SVlad Buslov 141814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 141914e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 142014e6b038SEli Cohen if (err) 14218914add2SVlad Buslov goto err_out; 142214e6b038SEli Cohen } 142314e6b038SEli Cohen 1424c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1425c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1426c620b772SAriel Levkovich 1427f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1428fe7738ebSDima Chumak struct net_device *out_dev; 14298c4dc42bSEli Britstein int mirred_ifindex; 14308c4dc42bSEli Britstein 1431c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1432f493f155SEli Britstein continue; 1433f493f155SEli Britstein 14347040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1435fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1436fe7738ebSDima Chumak if (!out_dev) { 1437fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1438fe7738ebSDima Chumak err = -ENODEV; 1439fe7738ebSDima Chumak goto err_out; 1440fe7738ebSDima Chumak } 1441733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14420ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1443fe7738ebSDima Chumak dev_put(out_dev); 14440ad060eeSRoi Dayan if (err) 14458914add2SVlad Buslov goto err_out; 14460ad060eeSRoi Dayan 14478914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 14488914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 14498914add2SVlad Buslov vf_tun = true; 14503c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 14513c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1452c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1453c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 14543c37745eSOr Gerlitz } 14553c37745eSOr Gerlitz 14567d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 14577d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 14587d1a3d08SVlad Buslov err = -EOPNOTSUPP; 14597d1a3d08SVlad Buslov goto err_out; 14607d1a3d08SVlad Buslov } 14617d1a3d08SVlad Buslov 14628b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1463c83954abSRabie Loulou if (err) 14648914add2SVlad Buslov goto err_out; 1465adb4c123SOr Gerlitz 1466d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1467d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 14688914add2SVlad Buslov if (vf_tun) { 14698914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 14708914add2SVlad Buslov if (err) 14718914add2SVlad Buslov goto err_out; 14728914add2SVlad Buslov } else { 14731a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1474c83954abSRabie Loulou if (err) 14758914add2SVlad Buslov goto err_out; 14768914add2SVlad Buslov } 1477d7e75a32SOr Gerlitz } 1478d7e75a32SOr Gerlitz 1479b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1480c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 14818914add2SVlad Buslov if (IS_ERR(counter)) { 14828914add2SVlad Buslov err = PTR_ERR(counter); 14838914add2SVlad Buslov goto err_out; 14848914add2SVlad Buslov } 1485b8aee822SMark Bloch 1486b8aee822SMark Bloch attr->counter = counter; 1487b8aee822SMark Bloch } 1488b8aee822SMark Bloch 14890ad060eeSRoi Dayan /* we get here if one of the following takes place: 14900ad060eeSRoi Dayan * (1) there's no error 14910ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 14923c37745eSOr Gerlitz */ 1493bc1d75faSRoi Dayan if (!encap_valid) 1494178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1495bc1d75faSRoi Dayan else 14966d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 14975dbe906fSPaul Blakey 14988914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 14998914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 15008914add2SVlad Buslov goto err_out; 15018914add2SVlad Buslov } 1502226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1503c83954abSRabie Loulou 15045dbe906fSPaul Blakey return 0; 15058914add2SVlad Buslov 15068914add2SVlad Buslov err_out: 15078914add2SVlad Buslov flow_flag_set(flow, FAILED); 15088914add2SVlad Buslov return err; 1509aa0cbbaeSOr Gerlitz } 1510d85cdccbSOr Gerlitz 15119272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 15129272e3dfSYevgeny Kliteynik { 1513c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 15149272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 15159272e3dfSYevgeny Kliteynik spec->match_value, 15169272e3dfSYevgeny Kliteynik misc_parameters_3); 15179272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 15189272e3dfSYevgeny Kliteynik headers_v, 15199272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15209272e3dfSYevgeny Kliteynik 15219272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15229272e3dfSYevgeny Kliteynik } 15239272e3dfSYevgeny Kliteynik 1524d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1525d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1526d85cdccbSOr Gerlitz { 1527d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1528c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1529777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15308914add2SVlad Buslov bool vf_tun = false; 1531f493f155SEli Britstein int out_index; 1532d85cdccbSOr Gerlitz 1533777bb800SVlad Buslov esw_attr = attr->esw_attr; 15340a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15350a7fcb78SPaul Blakey 153612a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1537b4a23329SRoi Dayan remove_unready_flow(flow); 1538ef06c9eeSRoi Dayan 1539226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1540226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1541178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15425dbe906fSPaul Blakey else 15435dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15445dbe906fSPaul Blakey } 1545d85cdccbSOr Gerlitz 15469272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 15479272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 15489272e3dfSYevgeny Kliteynik 1549513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1550d85cdccbSOr Gerlitz 1551777bb800SVlad Buslov if (flow->decap_route) 1552777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1553777bb800SVlad Buslov 1554777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 15558914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 15568914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 15578914add2SVlad Buslov vf_tun = true; 1558777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 15598c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 15602a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 15612a4b6526SVlad Buslov } 1562777bb800SVlad Buslov } 1563d7e75a32SOr Gerlitz 1564aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 15654c8594adSRoi Dayan 1566c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1567c7b9038dSVlad Buslov dealloc_mod_hdr_actions(&attr->parse_attr->mod_hdr_acts); 15688914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 15698914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 15708914add2SVlad Buslov else 15711a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1572c7b9038dSVlad Buslov } 1573bcd6740cSChris Mi kfree(attr->sample_attr); 15748914add2SVlad Buslov kvfree(attr->parse_attr); 15758914add2SVlad Buslov kvfree(attr->esw_attr->rx_tun_attr); 1576b8aee822SMark Bloch 1577b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1578777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 157914e6b038SEli Cohen 158014e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 158114e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1582c620b772SAriel Levkovich 1583c620b772SAriel Levkovich kfree(flow->attr); 1584d85cdccbSOr Gerlitz } 1585d85cdccbSOr Gerlitz 15860d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1587b8aee822SMark Bloch { 1588c620b772SAriel Levkovich return flow->attr->counter; 1589b8aee822SMark Bloch } 1590b8aee822SMark Bloch 15916a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1592021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15936a06c2f7SVlad Buslov { 15946a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15956a06c2f7SVlad Buslov 15966a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15976a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15986a06c2f7SVlad Buslov } 15996a06c2f7SVlad Buslov 160004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 160104de7ddaSRoi Dayan { 160204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 160304de7ddaSRoi Dayan 1604226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1605226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 160604de7ddaSRoi Dayan return; 160704de7ddaSRoi Dayan 160804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 160904de7ddaSRoi Dayan list_del(&flow->peer); 161004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 161104de7ddaSRoi Dayan 1612226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 161304de7ddaSRoi Dayan 1614eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 161504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1616a23dae79SRoi Dayan kfree(flow->peer_flow); 1617eb252c3aSRoi Dayan } 1618eb252c3aSRoi Dayan 161904de7ddaSRoi Dayan flow->peer_flow = NULL; 162004de7ddaSRoi Dayan } 162104de7ddaSRoi Dayan 162204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 162304de7ddaSRoi Dayan { 162404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 162504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 162604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 162704de7ddaSRoi Dayan 162804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 162904de7ddaSRoi Dayan if (!peer_esw) 163004de7ddaSRoi Dayan return; 163104de7ddaSRoi Dayan 163204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 163304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 163404de7ddaSRoi Dayan } 163504de7ddaSRoi Dayan 1636e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1637961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1638e8f887acSAmir Vadai { 1639226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 164004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1641d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 164204de7ddaSRoi Dayan } else { 1643d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1644e8f887acSAmir Vadai } 164504de7ddaSRoi Dayan } 1646e8f887acSAmir Vadai 1647ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1648bbd00f7eSHadar Hen Zion { 1649f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16500a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 16510a7fcb78SPaul Blakey const struct flow_action_entry *act; 16520a7fcb78SPaul Blakey int i; 1653bbd00f7eSHadar Hen Zion 1654ee950e5dSChris Mi if (chain) 1655ee950e5dSChris Mi return false; 1656ee950e5dSChris Mi 16570a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 16580a7fcb78SPaul Blakey switch (act->id) { 16590a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 16600a7fcb78SPaul Blakey return true; 1661ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1662ee950e5dSChris Mi return true; 16630a7fcb78SPaul Blakey default: 16640a7fcb78SPaul Blakey continue; 1665fe1587a7SDmytro Linkin } 16662e72eb43SOr Gerlitz } 1667bbd00f7eSHadar Hen Zion 16680a7fcb78SPaul Blakey return false; 16690a7fcb78SPaul Blakey } 1670bcef735cSOr Gerlitz 16710a7fcb78SPaul Blakey static int 16720a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 16730a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 16740a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 16750a7fcb78SPaul Blakey bool *dont_care) 16760a7fcb78SPaul Blakey { 16770a7fcb78SPaul Blakey struct geneve_opt *opt; 16780a7fcb78SPaul Blakey int off = 0; 1679bcef735cSOr Gerlitz 16800a7fcb78SPaul Blakey *dont_care = true; 1681bcef735cSOr Gerlitz 16820a7fcb78SPaul Blakey while (opts->len > off) { 16830a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1684e98bedf5SEli Britstein 16850a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 16860a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 16870a7fcb78SPaul Blakey *dont_care = false; 16880a7fcb78SPaul Blakey 1689c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1690d7a42ad0SRoi Dayan opt->type != U8_MAX) { 16910a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 16920a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 16930a7fcb78SPaul Blakey netdev_warn(priv->netdev, 16940a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1695e98bedf5SEli Britstein return -EOPNOTSUPP; 1696e98bedf5SEli Britstein } 1697bcef735cSOr Gerlitz } 1698bcef735cSOr Gerlitz 16990a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1700bbd00f7eSHadar Hen Zion } 1701bbd00f7eSHadar Hen Zion 1702bbd00f7eSHadar Hen Zion return 0; 1703bbd00f7eSHadar Hen Zion } 1704bbd00f7eSHadar Hen Zion 17050a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17060a7fcb78SPaul Blakey ({ \ 17070a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17080a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17090a7fcb78SPaul Blakey \ 17100a7fcb78SPaul Blakey memcpy(__dst,\ 17110a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17120a7fcb78SPaul Blakey diss_key,\ 17130a7fcb78SPaul Blakey __rule->match.key),\ 17140a7fcb78SPaul Blakey sizeof(*__dst));\ 17150a7fcb78SPaul Blakey }) 17160a7fcb78SPaul Blakey 17170a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17180a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17190a7fcb78SPaul Blakey struct flow_cls_offload *f, 17200a7fcb78SPaul Blakey struct net_device *filter_dev) 17218377629eSEli Britstein { 17220a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17230a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17240a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17250a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1726d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17270a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1728c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17290a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17300a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17310a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17320a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 17330a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17340a7fcb78SPaul Blakey u32 value, mask; 17350a7fcb78SPaul Blakey int err; 17360a7fcb78SPaul Blakey 17370a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 17380a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17390a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 17400a7fcb78SPaul Blakey 17410a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 17420a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 17430a7fcb78SPaul Blakey &tunnel_key.enc_control); 17440a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 17450a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 17460a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 17470a7fcb78SPaul Blakey else 17480a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 17490a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 17500a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 17510a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 17520a7fcb78SPaul Blakey &tunnel_key.enc_tp); 17530a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 17540a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 17550a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 17560a7fcb78SPaul Blakey 17570a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 17580a7fcb78SPaul Blakey if (err) 17590a7fcb78SPaul Blakey return err; 17600a7fcb78SPaul Blakey 17610a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 17620a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 17630a7fcb78SPaul Blakey enc_opts_match.mask, 17640a7fcb78SPaul Blakey extack, 17650a7fcb78SPaul Blakey &enc_opts_is_dont_care); 17660a7fcb78SPaul Blakey if (err) 17670a7fcb78SPaul Blakey goto err_enc_opts; 17680a7fcb78SPaul Blakey 17690a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1770d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1771d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1772d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1773d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1774d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1775d7a42ad0SRoi Dayan 17760a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1777d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 17780a7fcb78SPaul Blakey if (err) 17790a7fcb78SPaul Blakey goto err_enc_opts; 17800a7fcb78SPaul Blakey } 17810a7fcb78SPaul Blakey 17820a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 17830a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 17840a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 17850a7fcb78SPaul Blakey 17860a7fcb78SPaul Blakey if (attr->chain) { 17870a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 17880a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 17890a7fcb78SPaul Blakey } else { 17900a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 17910a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1792aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 17930a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 17940a7fcb78SPaul Blakey if (err) 17950a7fcb78SPaul Blakey goto err_set; 17960a7fcb78SPaul Blakey 17970a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 17980a7fcb78SPaul Blakey } 17990a7fcb78SPaul Blakey 18000a7fcb78SPaul Blakey flow->tunnel_id = value; 18010a7fcb78SPaul Blakey return 0; 18020a7fcb78SPaul Blakey 18030a7fcb78SPaul Blakey err_set: 18040a7fcb78SPaul Blakey if (enc_opts_id) 18050a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18060a7fcb78SPaul Blakey enc_opts_id); 18070a7fcb78SPaul Blakey err_enc_opts: 18080a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18090a7fcb78SPaul Blakey return err; 18100a7fcb78SPaul Blakey } 18110a7fcb78SPaul Blakey 18120a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18130a7fcb78SPaul Blakey { 18140a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18150a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18160a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18170a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18180a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18190a7fcb78SPaul Blakey 18200a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18210a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18220a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18230a7fcb78SPaul Blakey 18240a7fcb78SPaul Blakey if (tun_id) 18250a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18260a7fcb78SPaul Blakey if (enc_opts_id) 18270a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18280a7fcb78SPaul Blakey enc_opts_id); 18290a7fcb78SPaul Blakey } 18300a7fcb78SPaul Blakey 18314c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18324c3844d9SPaul Blakey { 18334c3844d9SPaul Blakey return flow->tunnel_id; 18344c3844d9SPaul Blakey } 18354c3844d9SPaul Blakey 1836fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1837fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1838fca53304SEli Britstein void *headers_c, void *headers_v) 18394a5d5d73SEli Britstein { 1840fca53304SEli Britstein bool ip_version_cap; 1841fca53304SEli Britstein 1842fca53304SEli Britstein ip_version_cap = outer ? 1843fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1844fca53304SEli Britstein ft_field_support.outer_ip_version) : 1845fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1846fca53304SEli Britstein ft_field_support.inner_ip_version); 1847fca53304SEli Britstein 1848fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1849fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1850fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1851fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1852fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1853fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1854fca53304SEli Britstein } else { 18554a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 18564a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 18574a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 18584a5d5d73SEli Britstein ntohs(match->key->n_proto)); 18594a5d5d73SEli Britstein } 1860fca53304SEli Britstein } 18614a5d5d73SEli Britstein 18620d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1863a508728aSVlad Buslov { 1864a508728aSVlad Buslov void *headers_v; 1865a508728aSVlad Buslov u16 ethertype; 1866a508728aSVlad Buslov u8 ip_version; 1867a508728aSVlad Buslov 1868a508728aSVlad Buslov if (outer) 1869a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1870a508728aSVlad Buslov else 1871a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1872a508728aSVlad Buslov 1873a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1874a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1875a508728aSVlad Buslov if (!ip_version) { 1876a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1877a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1878a508728aSVlad Buslov ip_version = 4; 1879a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1880a508728aSVlad Buslov ip_version = 6; 1881a508728aSVlad Buslov } 1882a508728aSVlad Buslov return ip_version; 1883a508728aSVlad Buslov } 1884a508728aSVlad Buslov 18850a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 18860a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18870a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 18880a7fcb78SPaul Blakey struct flow_cls_offload *f, 18890a7fcb78SPaul Blakey struct net_device *filter_dev, 18900a7fcb78SPaul Blakey u8 *match_level, 18910a7fcb78SPaul Blakey bool *match_inner) 18920a7fcb78SPaul Blakey { 1893a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 18940a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 18950a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18960a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 18970a7fcb78SPaul Blakey int err; 18980a7fcb78SPaul Blakey 18990a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 19000a7fcb78SPaul Blakey return -EOPNOTSUPP; 19010a7fcb78SPaul Blakey 1902c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1903ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 19040a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19050a7fcb78SPaul Blakey 19060a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1907636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 19080a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1909636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19100a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1911636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19120a7fcb78SPaul Blakey return -EOPNOTSUPP; 19130a7fcb78SPaul Blakey } 19140a7fcb78SPaul Blakey 1915c620b772SAriel Levkovich if (!flow->attr->chain) { 19160a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19170a7fcb78SPaul Blakey match_level); 19180a7fcb78SPaul Blakey if (err) { 19190a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19200a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19210a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19220a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19230a7fcb78SPaul Blakey return err; 19240a7fcb78SPaul Blakey } 19250a7fcb78SPaul Blakey 192614e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 192714e6b038SEli Cohen * object 192814e6b038SEli Cohen */ 192914e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1930c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1931a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1932a508728aSVlad Buslov if (err) 1933a508728aSVlad Buslov return err; 1934a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 1935a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 1936a508728aSVlad Buslov 1937a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 1938a508728aSVlad Buslov if (!tmp_spec) { 1939a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 1940a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 1941a508728aSVlad Buslov return -ENOMEM; 1942a508728aSVlad Buslov } 1943a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 1944a508728aSVlad Buslov 1945a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 1946a508728aSVlad Buslov if (err) { 1947a508728aSVlad Buslov kvfree(tmp_spec); 1948a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 1949a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 1950a508728aSVlad Buslov return err; 1951a508728aSVlad Buslov } 1952a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 1953a508728aSVlad Buslov kvfree(tmp_spec); 1954a508728aSVlad Buslov if (err) 1955a508728aSVlad Buslov return err; 19560a7fcb78SPaul Blakey } 19570a7fcb78SPaul Blakey 19580a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 19590a7fcb78SPaul Blakey return 0; 19600a7fcb78SPaul Blakey 19610a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 19620a7fcb78SPaul Blakey } 19630a7fcb78SPaul Blakey 19640a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 19650a7fcb78SPaul Blakey { 19660a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19670a7fcb78SPaul Blakey inner_headers); 19680a7fcb78SPaul Blakey } 19690a7fcb78SPaul Blakey 19700a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 19710a7fcb78SPaul Blakey { 19720a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19730a7fcb78SPaul Blakey inner_headers); 19740a7fcb78SPaul Blakey } 19750a7fcb78SPaul Blakey 19760a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 19770a7fcb78SPaul Blakey { 19780a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19790a7fcb78SPaul Blakey outer_headers); 19800a7fcb78SPaul Blakey } 19810a7fcb78SPaul Blakey 19820a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 19830a7fcb78SPaul Blakey { 19840a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19858377629eSEli Britstein outer_headers); 19868377629eSEli Britstein } 19878377629eSEli Britstein 19888377629eSEli Britstein static void *get_match_headers_value(u32 flags, 19898377629eSEli Britstein struct mlx5_flow_spec *spec) 19908377629eSEli Britstein { 19918377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 19920a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 19930a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 19940a7fcb78SPaul Blakey } 19950a7fcb78SPaul Blakey 19960a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 19970a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 19980a7fcb78SPaul Blakey { 19990a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20000a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20010a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20028377629eSEli Britstein } 20038377629eSEli Britstein 20046d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20056d65bc64Swenxu struct flow_cls_offload *f) 20066d65bc64Swenxu { 20076d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20086d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20096d65bc64Swenxu struct net_device *ingress_dev; 20106d65bc64Swenxu struct flow_match_meta match; 20116d65bc64Swenxu 20126d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20136d65bc64Swenxu return 0; 20146d65bc64Swenxu 20156d65bc64Swenxu flow_rule_match_meta(rule, &match); 2016e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2017e3e0f9b2Swenxu return 0; 2018e3e0f9b2Swenxu 20196d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20206d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2021a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20226d65bc64Swenxu } 20236d65bc64Swenxu 20246d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20256d65bc64Swenxu match.key->ingress_ifindex); 20266d65bc64Swenxu if (!ingress_dev) { 20276d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20286d65bc64Swenxu "Can't find the ingress port to match on"); 2029a683012aSPablo Neira Ayuso return -ENOENT; 20306d65bc64Swenxu } 20316d65bc64Swenxu 20326d65bc64Swenxu if (ingress_dev != filter_dev) { 20336d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20346d65bc64Swenxu "Can't match on the ingress filter port"); 2035a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20366d65bc64Swenxu } 20376d65bc64Swenxu 20386d65bc64Swenxu return 0; 20396d65bc64Swenxu } 20406d65bc64Swenxu 204172046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 204272046a91SEli Cohen struct flow_cls_offload *f) 204372046a91SEli Cohen { 204472046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 204572046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 204672046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 204772046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 204872046a91SEli Cohen */ 204972046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 205072046a91SEli Cohen return true; 205172046a91SEli Cohen 205272046a91SEli Cohen return false; 205372046a91SEli Cohen } 205472046a91SEli Cohen 2055de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 20560a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2057de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2058f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 205954c177caSOz Shlomo struct net_device *filter_dev, 206093b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2061e3a2b7edSAmir Vadai { 2062e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2063c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2064c5bb1730SMaor Gottlieb outer_headers); 2065c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2066c5bb1730SMaor Gottlieb outer_headers); 2067699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2068699e96ddSJianbo Liu misc_parameters); 2069699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2070699e96ddSJianbo Liu misc_parameters); 2071a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2072a3222a2dSMaor Dickman misc_parameters_3); 2073a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2074a3222a2dSMaor Dickman misc_parameters_3); 2075f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20768f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2077afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2078e3a2b7edSAmir Vadai u16 addr_type = 0; 2079e3a2b7edSAmir Vadai u8 ip_proto = 0; 208093b3586eSHuy Nguyen u8 *match_level; 20816d65bc64Swenxu int err; 2082e3a2b7edSAmir Vadai 2083afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 208493b3586eSHuy Nguyen match_level = outer_match_level; 2085de0af0bfSRoi Dayan 20868f256622SPablo Neira Ayuso if (dissector->used_keys & 20873d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 20883d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2089e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2090e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2091095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2092699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2093e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2094e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2095bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2096bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2097bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2098bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2099bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2100e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2101fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2102bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21034c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21049272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 210572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2106a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 210772046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2108e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 210948470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 21108f256622SPablo Neira Ayuso dissector->used_keys); 2111e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2112e3a2b7edSAmir Vadai } 2113e3a2b7edSAmir Vadai 2114075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21150a7fcb78SPaul Blakey bool match_inner = false; 2116bbd00f7eSHadar Hen Zion 21170a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21180a7fcb78SPaul Blakey outer_match_level, &match_inner); 21190a7fcb78SPaul Blakey if (err) 21200a7fcb78SPaul Blakey return err; 21210a7fcb78SPaul Blakey 21220a7fcb78SPaul Blakey if (match_inner) { 21230a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21240a7fcb78SPaul Blakey * if the packet was decapsulated already. 21250a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2126bbd00f7eSHadar Hen Zion */ 212793b3586eSHuy Nguyen match_level = inner_match_level; 21280a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21290a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21300a7fcb78SPaul Blakey } 2131bbd00f7eSHadar Hen Zion } 2132bbd00f7eSHadar Hen Zion 21336d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21346d65bc64Swenxu if (err) 21356d65bc64Swenxu return err; 21366d65bc64Swenxu 213772046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 213872046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 21398f256622SPablo Neira Ayuso struct flow_match_basic match; 2140e3a2b7edSAmir Vadai 21418f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2142fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2143fca53304SEli Britstein match_level == outer_match_level, 2144fca53304SEli Britstein headers_c, headers_v); 21458f256622SPablo Neira Ayuso 21468f256622SPablo Neira Ayuso if (match.mask->n_proto) 2147d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2148e3a2b7edSAmir Vadai } 214935a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 215035a605dbSEli Britstein is_vlan_dev(filter_dev)) { 215135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 215235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 21538f256622SPablo Neira Ayuso struct flow_match_vlan match; 21548f256622SPablo Neira Ayuso 215535a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 215635a605dbSEli Britstein match.key = &filter_dev_key; 215735a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 215835a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 215935a605dbSEli Britstein match.key->vlan_priority = 0; 216035a605dbSEli Britstein match.mask = &filter_dev_mask; 216135a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 216235a605dbSEli Britstein match.mask->vlan_priority = 0; 216335a605dbSEli Britstein } else { 21648f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 216535a605dbSEli Britstein } 21668f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21678f256622SPablo Neira Ayuso match.mask->vlan_priority || 21688f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21698f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2170699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2171699e96ddSJianbo Liu svlan_tag, 1); 2172699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2173699e96ddSJianbo Liu svlan_tag, 1); 2174699e96ddSJianbo Liu } else { 2175699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2176699e96ddSJianbo Liu cvlan_tag, 1); 2177699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2178699e96ddSJianbo Liu cvlan_tag, 1); 2179699e96ddSJianbo Liu } 2180095b6cfdSOr Gerlitz 21818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 21828f256622SPablo Neira Ayuso match.mask->vlan_id); 21838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 21848f256622SPablo Neira Ayuso match.key->vlan_id); 2185358d79a4SOr Gerlitz 21868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 21878f256622SPablo Neira Ayuso match.mask->vlan_priority); 21888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 21898f256622SPablo Neira Ayuso match.key->vlan_priority); 219054782900SOr Gerlitz 2191d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2192095b6cfdSOr Gerlitz } 2193d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2194fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2195fc603294SMark Bloch * disabled in match value means both S & C tags 2196fc603294SMark Bloch * don't exist (untagged of both) 2197fc603294SMark Bloch */ 2198cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2199d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2200095b6cfdSOr Gerlitz } 2201095b6cfdSOr Gerlitz 22028f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22038f256622SPablo Neira Ayuso struct flow_match_vlan match; 22048f256622SPablo Neira Ayuso 220512d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22068f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22078f256622SPablo Neira Ayuso match.mask->vlan_priority || 22088f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2209afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2210afe93f71SRoi Dayan fs_type)) { 2211afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2212afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2213afe93f71SRoi Dayan return -EOPNOTSUPP; 2214afe93f71SRoi Dayan } 2215afe93f71SRoi Dayan 22168f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2217699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2218699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2219699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2220699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2221699e96ddSJianbo Liu } else { 2222699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2223699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2224699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2225699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2226699e96ddSJianbo Liu } 2227699e96ddSJianbo Liu 2228699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22298f256622SPablo Neira Ayuso match.mask->vlan_id); 2230699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22318f256622SPablo Neira Ayuso match.key->vlan_id); 2232699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22338f256622SPablo Neira Ayuso match.mask->vlan_priority); 2234699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22358f256622SPablo Neira Ayuso match.key->vlan_priority); 2236699e96ddSJianbo Liu 2237699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 22380faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2239699e96ddSJianbo Liu } 2240699e96ddSJianbo Liu } 2241699e96ddSJianbo Liu 22428f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 22438f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 224454782900SOr Gerlitz 22458f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2246d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2247d3a80bb5SOr Gerlitz dmac_47_16), 22488f256622SPablo Neira Ayuso match.mask->dst); 2249d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2250d3a80bb5SOr Gerlitz dmac_47_16), 22518f256622SPablo Neira Ayuso match.key->dst); 2252d3a80bb5SOr Gerlitz 2253d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2254d3a80bb5SOr Gerlitz smac_47_16), 22558f256622SPablo Neira Ayuso match.mask->src); 2256d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2257d3a80bb5SOr Gerlitz smac_47_16), 22588f256622SPablo Neira Ayuso match.key->src); 2259d3a80bb5SOr Gerlitz 22608f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22618f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2262d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 226354782900SOr Gerlitz } 226454782900SOr Gerlitz 22658f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22668f256622SPablo Neira Ayuso struct flow_match_control match; 226754782900SOr Gerlitz 22688f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22698f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 227054782900SOr Gerlitz 227154782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22728f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 227354782900SOr Gerlitz return -EOPNOTSUPP; 227454782900SOr Gerlitz 22758f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 227654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 227754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22788f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 227954782900SOr Gerlitz 228054782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 22818f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 228283621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 228354782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 228454782900SOr Gerlitz else 228583621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 228654782900SOr Gerlitz } 228754782900SOr Gerlitz } 228854782900SOr Gerlitz 22898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 22908f256622SPablo Neira Ayuso struct flow_match_basic match; 22918f256622SPablo Neira Ayuso 22928f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 22938f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 229454782900SOr Gerlitz 229554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 22968f256622SPablo Neira Ayuso match.mask->ip_proto); 229754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 22988f256622SPablo Neira Ayuso match.key->ip_proto); 229954782900SOr Gerlitz 23008f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2301d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 230254782900SOr Gerlitz } 230354782900SOr Gerlitz 2304e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23058f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2306e3a2b7edSAmir Vadai 23078f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2308e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2309e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23108f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2311e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2312e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23138f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2314e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2315e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23168f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2317e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2318e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23198f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2320de0af0bfSRoi Dayan 23218f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2322d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2323e3a2b7edSAmir Vadai } 2324e3a2b7edSAmir Vadai 2325e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23268f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2327e3a2b7edSAmir Vadai 23288f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2329e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2330e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23318f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2332e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2333e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23348f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2335e3a2b7edSAmir Vadai 2336e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2337e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23388f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2339e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2340e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23418f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2342de0af0bfSRoi Dayan 23438f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 23448f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2345d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2346e3a2b7edSAmir Vadai } 2347e3a2b7edSAmir Vadai 23488f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 23498f256622SPablo Neira Ayuso struct flow_match_ip match; 23501f97a526SOr Gerlitz 23518f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 23528f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 23538f256622SPablo Neira Ayuso match.mask->tos & 0x3); 23548f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 23558f256622SPablo Neira Ayuso match.key->tos & 0x3); 23561f97a526SOr Gerlitz 23578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 23588f256622SPablo Neira Ayuso match.mask->tos >> 2); 23598f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23608f256622SPablo Neira Ayuso match.key->tos >> 2); 23611f97a526SOr Gerlitz 23628f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23638f256622SPablo Neira Ayuso match.mask->ttl); 23648f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23658f256622SPablo Neira Ayuso match.key->ttl); 23661f97a526SOr Gerlitz 23678f256622SPablo Neira Ayuso if (match.mask->ttl && 2368a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2369e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2370e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2371e98bedf5SEli Britstein "Matching on TTL is not supported"); 23721f97a526SOr Gerlitz return -EOPNOTSUPP; 2373e98bedf5SEli Britstein } 2374a8ade55fSOr Gerlitz 23758f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2376d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23771f97a526SOr Gerlitz } 23781f97a526SOr Gerlitz 237954782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 238054782900SOr Gerlitz 23818f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 23828f256622SPablo Neira Ayuso struct flow_match_ports match; 23838f256622SPablo Neira Ayuso 23848f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2385e3a2b7edSAmir Vadai switch (ip_proto) { 2386e3a2b7edSAmir Vadai case IPPROTO_TCP: 2387e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23888f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2389e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23908f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2391e3a2b7edSAmir Vadai 2392e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23938f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2394e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23958f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2396e3a2b7edSAmir Vadai break; 2397e3a2b7edSAmir Vadai 2398e3a2b7edSAmir Vadai case IPPROTO_UDP: 2399e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24008f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2401e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24028f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2403e3a2b7edSAmir Vadai 2404e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24058f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2406e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24078f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2408e3a2b7edSAmir Vadai break; 2409e3a2b7edSAmir Vadai default: 2410e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2411e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2412e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2413e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2414e3a2b7edSAmir Vadai return -EINVAL; 2415e3a2b7edSAmir Vadai } 2416de0af0bfSRoi Dayan 24178f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2418d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2419e3a2b7edSAmir Vadai } 2420e3a2b7edSAmir Vadai 24218f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24228f256622SPablo Neira Ayuso struct flow_match_tcp match; 2423e77834ecSOr Gerlitz 24248f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2425e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24268f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2427e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24288f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2429e77834ecSOr Gerlitz 24308f256622SPablo Neira Ayuso if (match.mask->flags) 2431d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2432e77834ecSOr Gerlitz } 2433a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2434a3222a2dSMaor Dickman struct flow_match_icmp match; 2435e77834ecSOr Gerlitz 2436a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2437a3222a2dSMaor Dickman switch (ip_proto) { 2438a3222a2dSMaor Dickman case IPPROTO_ICMP: 2439a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2440a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMP)) 2441a3222a2dSMaor Dickman return -EOPNOTSUPP; 2442a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2443a3222a2dSMaor Dickman match.mask->type); 2444a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2445a3222a2dSMaor Dickman match.key->type); 2446a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2447a3222a2dSMaor Dickman match.mask->code); 2448a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2449a3222a2dSMaor Dickman match.key->code); 2450a3222a2dSMaor Dickman break; 2451a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2452a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2453a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMPV6)) 2454a3222a2dSMaor Dickman return -EOPNOTSUPP; 2455a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2456a3222a2dSMaor Dickman match.mask->type); 2457a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2458a3222a2dSMaor Dickman match.key->type); 2459a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2460a3222a2dSMaor Dickman match.mask->code); 2461a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2462a3222a2dSMaor Dickman match.key->code); 2463a3222a2dSMaor Dickman break; 2464a3222a2dSMaor Dickman default: 2465a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2466a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2467a3222a2dSMaor Dickman netdev_err(priv->netdev, 2468a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2469a3222a2dSMaor Dickman return -EINVAL; 2470a3222a2dSMaor Dickman } 2471a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2472a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2473a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2474a3222a2dSMaor Dickman } 2475a3222a2dSMaor Dickman } 247639c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 24777d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 24787d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 24797d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 24807d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 24817d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 24827d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 24837d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 24847d6c86e3SAlaa Hleihel } 24857d6c86e3SAlaa Hleihel 2486e3a2b7edSAmir Vadai return 0; 2487e3a2b7edSAmir Vadai } 2488e3a2b7edSAmir Vadai 2489de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 249065ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2491de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2492f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 249354c177caSOz Shlomo struct net_device *filter_dev) 2494de0af0bfSRoi Dayan { 249593b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2496e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2497de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2498de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24991d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25001d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2501226f2ca3SVlad Buslov bool is_eswitch_flow; 2502de0af0bfSRoi Dayan int err; 2503de0af0bfSRoi Dayan 250493b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 250593b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 250693b3586eSHuy Nguyen 25070a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25080a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 250993b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 251093b3586eSHuy Nguyen outer_match_level : inner_match_level; 2511de0af0bfSRoi Dayan 2512226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2513226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25141d447a39SSaeed Mahameed rep = rpriv->rep; 2515b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25161d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 251793b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2518e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2519e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2520de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2521de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 252293b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2523de0af0bfSRoi Dayan return -EOPNOTSUPP; 2524de0af0bfSRoi Dayan } 2525de0af0bfSRoi Dayan } 2526de0af0bfSRoi Dayan 2527c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2528c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2529c620b772SAriel Levkovich 253038aa51c1SOr Gerlitz 2531de0af0bfSRoi Dayan return err; 2532de0af0bfSRoi Dayan } 2533de0af0bfSRoi Dayan 2534d79b6df6SOr Gerlitz struct pedit_headers { 2535d79b6df6SOr Gerlitz struct ethhdr eth; 25360eb69bb9SEli Britstein struct vlan_hdr vlan; 2537d79b6df6SOr Gerlitz struct iphdr ip4; 2538d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2539d79b6df6SOr Gerlitz struct tcphdr tcp; 2540d79b6df6SOr Gerlitz struct udphdr udp; 2541d79b6df6SOr Gerlitz }; 2542d79b6df6SOr Gerlitz 2543c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2544c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2545c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2546c500c86bSPablo Neira Ayuso u32 pedits; 2547c500c86bSPablo Neira Ayuso }; 2548c500c86bSPablo Neira Ayuso 2549d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 255073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 255173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 255273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 255373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 255473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2555d79b6df6SOr Gerlitz }; 2556d79b6df6SOr Gerlitz 2557d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2558d79b6df6SOr Gerlitz 2559d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2560c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2561d79b6df6SOr Gerlitz { 2562d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2563d79b6df6SOr Gerlitz 2564c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2565c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2566d79b6df6SOr Gerlitz 2567d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2568d79b6df6SOr Gerlitz goto out_err; 2569d79b6df6SOr Gerlitz 2570d79b6df6SOr Gerlitz *curr_pmask |= mask; 2571d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2572d79b6df6SOr Gerlitz 2573d79b6df6SOr Gerlitz return 0; 2574d79b6df6SOr Gerlitz 2575d79b6df6SOr Gerlitz out_err: 2576d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2577d79b6df6SOr Gerlitz } 2578d79b6df6SOr Gerlitz 2579d79b6df6SOr Gerlitz struct mlx5_fields { 2580d79b6df6SOr Gerlitz u8 field; 258188f30bbcSDmytro Linkin u8 field_bsize; 258288f30bbcSDmytro Linkin u32 field_mask; 2583d79b6df6SOr Gerlitz u32 offset; 258427c11b6bSEli Britstein u32 match_offset; 2585d79b6df6SOr Gerlitz }; 2586d79b6df6SOr Gerlitz 258788f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 258888f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 258927c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 259027c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 259127c11b6bSEli Britstein 25922ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25932ef86872SEli Britstein * match. 25942ef86872SEli Britstein */ 25952ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25962ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25972ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25982ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25992ef86872SEli Britstein type valx = *(type *)(valp); \ 26002ef86872SEli Britstein \ 26012ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26022ef86872SEli Britstein matchmaskx)); \ 26032ef86872SEli Britstein }) 26042ef86872SEli Britstein 260527c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 260688f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 260727c11b6bSEli Britstein { 260827c11b6bSEli Britstein bool same = false; 260927c11b6bSEli Britstein 261088f30bbcSDmytro Linkin switch (bsize) { 261188f30bbcSDmytro Linkin case 8: 26122ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 261327c11b6bSEli Britstein break; 261488f30bbcSDmytro Linkin case 16: 26152ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 261627c11b6bSEli Britstein break; 261788f30bbcSDmytro Linkin case 32: 26182ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 261927c11b6bSEli Britstein break; 262027c11b6bSEli Britstein } 262127c11b6bSEli Britstein 262227c11b6bSEli Britstein return same; 262327c11b6bSEli Britstein } 2624a8e4f0c4SOr Gerlitz 2625d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 262688f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 262788f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 262888f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 262988f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 263088f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 263188f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2632d79b6df6SOr Gerlitz 2633ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 263488f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 263588f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 263688f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2637d79b6df6SOr Gerlitz 263888f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 263927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 264088f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 264127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 264288f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 264327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 264488f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 264527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 264688f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 264727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 264888f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 264927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 265088f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 265127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 265288f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 265327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 265488f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2655748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2656d79b6df6SOr Gerlitz 265788f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 265888f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 265988f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 266088f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2661d79b6df6SOr Gerlitz 266288f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 266388f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2664d79b6df6SOr Gerlitz }; 2665d79b6df6SOr Gerlitz 266682198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 266782198d8bSMaor Dickman { 266882198d8bSMaor Dickman __be32 mask_be32; 266982198d8bSMaor Dickman __be16 mask_be16; 267082198d8bSMaor Dickman 267182198d8bSMaor Dickman if (size == 32) { 267282198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 267382198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 267482198d8bSMaor Dickman } else if (size == 16) { 267582198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 267682198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 267782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 267882198d8bSMaor Dickman } 267982198d8bSMaor Dickman 268082198d8bSMaor Dickman return mask; 268182198d8bSMaor Dickman } 26826ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26836ae4a6a5SPaul Blakey int namespace, 26846ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2685e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 268627c11b6bSEli Britstein u32 *action_flags, 2687e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2688d79b6df6SOr Gerlitz { 2689d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26906ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 269188f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 269288f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26936ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2694d79b6df6SOr Gerlitz struct mlx5_fields *f; 269582198d8bSMaor Dickman unsigned long mask, field_mask; 26966ae4a6a5SPaul Blakey int err; 269788f30bbcSDmytro Linkin u8 cmd; 269888f30bbcSDmytro Linkin 26996ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 270088f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 270188f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2702d79b6df6SOr Gerlitz 270373867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 270473867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 270573867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 270673867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2707d79b6df6SOr Gerlitz 2708d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2709d79b6df6SOr Gerlitz 2710d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 271127c11b6bSEli Britstein bool skip; 271227c11b6bSEli Britstein 2713d79b6df6SOr Gerlitz f = &fields[i]; 2714d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2715e3ca4e05SOr Gerlitz s_mask = 0; 2716e3ca4e05SOr Gerlitz a_mask = 0; 2717d79b6df6SOr Gerlitz 2718d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2719d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2720d79b6df6SOr Gerlitz 272188f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 272288f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2723d79b6df6SOr Gerlitz 2724d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2725d79b6df6SOr Gerlitz continue; 2726d79b6df6SOr Gerlitz 2727d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2728e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2729e98bedf5SEli Britstein "can't set and add to the same HW field"); 273061b6a6c3SCai Huoqing netdev_warn(priv->netdev, 273161b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 273261b6a6c3SCai Huoqing f->field); 2733d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2734d79b6df6SOr Gerlitz } 2735d79b6df6SOr Gerlitz 273627c11b6bSEli Britstein skip = false; 2737d79b6df6SOr Gerlitz if (s_mask) { 273827c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 273927c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 274027c11b6bSEli Britstein 2741d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2742d79b6df6SOr Gerlitz mask = s_mask; 2743d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 274427c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 274527c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 274688f30bbcSDmytro Linkin match_mask, f->field_bsize)) 274727c11b6bSEli Britstein skip = true; 2748d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 274988f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2750d79b6df6SOr Gerlitz } else { 2751d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2752d79b6df6SOr Gerlitz mask = a_mask; 2753d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 275427c11b6bSEli Britstein /* add 0 is no change */ 275588f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 275627c11b6bSEli Britstein skip = true; 2757d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 275888f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2759d79b6df6SOr Gerlitz } 276027c11b6bSEli Britstein if (skip) 276127c11b6bSEli Britstein continue; 2762d79b6df6SOr Gerlitz 276382198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 27642b64bebaSOr Gerlitz 276588f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 276688f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 276788f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27682b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2769e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2770e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 277161b6a6c3SCai Huoqing netdev_warn(priv->netdev, 277261b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2773d79b6df6SOr Gerlitz mask); 2774d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2775d79b6df6SOr Gerlitz } 2776d79b6df6SOr Gerlitz 27776ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27786ae4a6a5SPaul Blakey if (err) { 27796ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27806ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27816ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27826ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27836ae4a6a5SPaul Blakey mod_acts->num_actions); 27846ae4a6a5SPaul Blakey return err; 27856ae4a6a5SPaul Blakey } 27866ae4a6a5SPaul Blakey 27876ae4a6a5SPaul Blakey action = mod_acts->actions + 27886ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2789d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2790d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2791d79b6df6SOr Gerlitz 2792d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 279388f30bbcSDmytro Linkin int start; 279488f30bbcSDmytro Linkin 279582198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 279682198d8bSMaor Dickman 279788f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 279882198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 279988f30bbcSDmytro Linkin 280088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2801d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28022b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2803d79b6df6SOr Gerlitz } 2804d79b6df6SOr Gerlitz 280588f30bbcSDmytro Linkin if (f->field_bsize == 32) 28062b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 280788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28082b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 280988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28102b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2811d79b6df6SOr Gerlitz 28126ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2813d79b6df6SOr Gerlitz } 2814d79b6df6SOr Gerlitz 2815d79b6df6SOr Gerlitz return 0; 2816d79b6df6SOr Gerlitz } 2817d79b6df6SOr Gerlitz 28182cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 28192cc1cb1dSTonghao Zhang int namespace) 28202cc1cb1dSTonghao Zhang { 28212cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 28222cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 28232cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 28242cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 28252cc1cb1dSTonghao Zhang } 28262cc1cb1dSTonghao Zhang 28276ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2828c500c86bSPablo Neira Ayuso int namespace, 28296ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2830d79b6df6SOr Gerlitz { 28316ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 28326ae4a6a5SPaul Blakey size_t new_sz, old_sz; 28336ae4a6a5SPaul Blakey void *ret; 2834d79b6df6SOr Gerlitz 28356ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 28366ae4a6a5SPaul Blakey return 0; 28376ae4a6a5SPaul Blakey 2838d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2839d79b6df6SOr Gerlitz 28406ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 28416ae4a6a5SPaul Blakey namespace); 28426ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 28436ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 28446ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 28456ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 28466ae4a6a5SPaul Blakey return -ENOSPC; 2847d79b6df6SOr Gerlitz 28486ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 28496ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 28506ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 28516ae4a6a5SPaul Blakey if (!ret) 2852d79b6df6SOr Gerlitz return -ENOMEM; 2853d79b6df6SOr Gerlitz 28546ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28556ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28566ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28576ae4a6a5SPaul Blakey 2858d79b6df6SOr Gerlitz return 0; 2859d79b6df6SOr Gerlitz } 2860d79b6df6SOr Gerlitz 28616ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28626ae4a6a5SPaul Blakey { 28636ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28646ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28656ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28666ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28676ae4a6a5SPaul Blakey } 28686ae4a6a5SPaul Blakey 2869d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2870d79b6df6SOr Gerlitz 2871582234b4SEli Cohen static int 2872582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 287373867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2874582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2875c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2876e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2877d79b6df6SOr Gerlitz { 287873867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 287973867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2880d79b6df6SOr Gerlitz u32 mask, val, offset; 288173867881SPablo Neira Ayuso u8 htype; 2882d79b6df6SOr Gerlitz 288373867881SPablo Neira Ayuso htype = act->mangle.htype; 2884d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2885d79b6df6SOr Gerlitz 288673867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 288773867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2888d79b6df6SOr Gerlitz goto out_err; 2889d79b6df6SOr Gerlitz } 2890d79b6df6SOr Gerlitz 28912cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28922cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28932cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28942cc1cb1dSTonghao Zhang goto out_err; 28952cc1cb1dSTonghao Zhang } 28962cc1cb1dSTonghao Zhang 289773867881SPablo Neira Ayuso mask = act->mangle.mask; 289873867881SPablo Neira Ayuso val = act->mangle.val; 289973867881SPablo Neira Ayuso offset = act->mangle.offset; 2900d79b6df6SOr Gerlitz 2901c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2902d79b6df6SOr Gerlitz if (err) 2903d79b6df6SOr Gerlitz goto out_err; 2904c500c86bSPablo Neira Ayuso 2905c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2906d79b6df6SOr Gerlitz 2907c500c86bSPablo Neira Ayuso return 0; 2908c500c86bSPablo Neira Ayuso out_err: 2909c500c86bSPablo Neira Ayuso return err; 2910c500c86bSPablo Neira Ayuso } 2911c500c86bSPablo Neira Ayuso 2912582234b4SEli Cohen static int 2913582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2914582234b4SEli Cohen const struct flow_action_entry *act, 2915582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2916582234b4SEli Cohen struct netlink_ext_ack *extack) 2917582234b4SEli Cohen { 2918582234b4SEli Cohen u32 mask, val, offset; 2919582234b4SEli Cohen u32 *p; 2920582234b4SEli Cohen 2921582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2922582234b4SEli Cohen return -EOPNOTSUPP; 2923582234b4SEli Cohen 2924582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2925582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2926582234b4SEli Cohen return -EOPNOTSUPP; 2927582234b4SEli Cohen } 2928582234b4SEli Cohen 2929582234b4SEli Cohen mask = ~act->mangle.mask; 2930582234b4SEli Cohen val = act->mangle.val; 2931582234b4SEli Cohen offset = act->mangle.offset; 2932582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2933582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2934582234b4SEli Cohen 2935582234b4SEli Cohen return 0; 2936582234b4SEli Cohen } 2937582234b4SEli Cohen 2938582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2939582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2940582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2941582234b4SEli Cohen struct pedit_headers_action *hdrs, 2942582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2943582234b4SEli Cohen struct netlink_ext_ack *extack) 2944582234b4SEli Cohen { 2945582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 2946582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 2947582234b4SEli Cohen 2948582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2949582234b4SEli Cohen parse_attr, hdrs, extack); 2950582234b4SEli Cohen } 2951582234b4SEli Cohen 2952c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2953c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2954c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 295527c11b6bSEli Britstein u32 *action_flags, 2956c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2957c500c86bSPablo Neira Ayuso { 2958c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2959c500c86bSPablo Neira Ayuso int err; 2960c500c86bSPablo Neira Ayuso u8 cmd; 2961c500c86bSPablo Neira Ayuso 29626ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29636ae4a6a5SPaul Blakey action_flags, extack); 2964d79b6df6SOr Gerlitz if (err < 0) 2965d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2966d79b6df6SOr Gerlitz 2967d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2968c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2969d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2970e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2971e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2972b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2973d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2974d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2975d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2976d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2977d79b6df6SOr Gerlitz } 2978d79b6df6SOr Gerlitz } 2979d79b6df6SOr Gerlitz 2980d79b6df6SOr Gerlitz return 0; 2981d79b6df6SOr Gerlitz 2982d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29836ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2984d79b6df6SOr Gerlitz return err; 2985d79b6df6SOr Gerlitz } 2986d79b6df6SOr Gerlitz 2987e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2988e98bedf5SEli Britstein u32 action, 2989e98bedf5SEli Britstein u32 update_flags, 2990e98bedf5SEli Britstein struct netlink_ext_ack *extack) 299126c02749SOr Gerlitz { 299226c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 299326c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 299426c02749SOr Gerlitz 299526c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 299626c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2997e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2998e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 299926c02749SOr Gerlitz netdev_warn(priv->netdev, 300026c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 300126c02749SOr Gerlitz return false; 300226c02749SOr Gerlitz } 300326c02749SOr Gerlitz 300426c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3005e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3006e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 300726c02749SOr Gerlitz netdev_warn(priv->netdev, 300826c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 300926c02749SOr Gerlitz update_flags); 301026c02749SOr Gerlitz return false; 301126c02749SOr Gerlitz } 301226c02749SOr Gerlitz 301326c02749SOr Gerlitz return true; 301426c02749SOr Gerlitz } 301526c02749SOr Gerlitz 30168998576bSDmytro Linkin struct ip_ttl_word { 30178998576bSDmytro Linkin __u8 ttl; 30188998576bSDmytro Linkin __u8 protocol; 30198998576bSDmytro Linkin __sum16 check; 30208998576bSDmytro Linkin }; 30218998576bSDmytro Linkin 30228998576bSDmytro Linkin struct ipv6_hoplimit_word { 30238998576bSDmytro Linkin __be16 payload_len; 30248998576bSDmytro Linkin __u8 nexthdr; 30258998576bSDmytro Linkin __u8 hop_limit; 30268998576bSDmytro Linkin }; 30278998576bSDmytro Linkin 30281836d780SRoi Dayan static bool 30291836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 30301836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 30314c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30328998576bSDmytro Linkin { 30338998576bSDmytro Linkin u32 mask, offset; 30348998576bSDmytro Linkin u8 htype; 30358998576bSDmytro Linkin 30368998576bSDmytro Linkin htype = act->mangle.htype; 30378998576bSDmytro Linkin offset = act->mangle.offset; 30388998576bSDmytro Linkin mask = ~act->mangle.mask; 30398998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30408998576bSDmytro Linkin * to determine that modified fields 30418998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30428998576bSDmytro Linkin */ 30438998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30448998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30458998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30468998576bSDmytro Linkin 30478998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30488998576bSDmytro Linkin ttl_word->protocol || 30498998576bSDmytro Linkin ttl_word->check) { 30504c3844d9SPaul Blakey *modify_ip_header = true; 30514c3844d9SPaul Blakey } 30524c3844d9SPaul Blakey 30537e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30547e36feebSPaul Blakey *modify_tuple = true; 30557e36feebSPaul Blakey 30567e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30574c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30584c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30591836d780SRoi Dayan return false; 30608998576bSDmytro Linkin } 30618998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30628998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30638998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30648998576bSDmytro Linkin 30658998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30668998576bSDmytro Linkin hoplimit_word->payload_len || 30678998576bSDmytro Linkin hoplimit_word->nexthdr) { 30684c3844d9SPaul Blakey *modify_ip_header = true; 30698998576bSDmytro Linkin } 30704c3844d9SPaul Blakey 30717e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30727e36feebSPaul Blakey *modify_tuple = true; 30737e36feebSPaul Blakey 30747e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30754c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30764c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30771836d780SRoi Dayan return false; 30788998576bSDmytro Linkin } 30797e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30807e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 30817e36feebSPaul Blakey *modify_tuple = true; 30827e36feebSPaul Blakey if (ct_flow) { 30834c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30844c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30851836d780SRoi Dayan return false; 30864c3844d9SPaul Blakey } 30877e36feebSPaul Blakey } 30884c3844d9SPaul Blakey 30891836d780SRoi Dayan return true; 30908998576bSDmytro Linkin } 30918998576bSDmytro Linkin 309296b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 309396b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 309496b5b458SDima Chumak struct mlx5e_priv *priv, 309596b5b458SDima Chumak struct mlx5_flow_spec *spec) 309696b5b458SDima Chumak { 309796b5b458SDima Chumak if (!modify_tuple || ct_clear) 309896b5b458SDima Chumak return true; 309996b5b458SDima Chumak 310096b5b458SDima Chumak if (ct_flow) { 310196b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 310296b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 310396b5b458SDima Chumak netdev_info(priv->netdev, 310496b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 310596b5b458SDima Chumak return false; 310696b5b458SDima Chumak } 310796b5b458SDima Chumak 310896b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 310996b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 311096b5b458SDima Chumak * we can't restore ct state 311196b5b458SDima Chumak */ 311296b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 311396b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 311496b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 311596b5b458SDima Chumak netdev_info(priv->netdev, 311696b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 311796b5b458SDima Chumak return false; 311896b5b458SDima Chumak } 311996b5b458SDima Chumak 312096b5b458SDima Chumak return true; 312196b5b458SDima Chumak } 312296b5b458SDima Chumak 31233d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 31243d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 312573867881SPablo Neira Ayuso struct flow_action *flow_action, 31264c3844d9SPaul Blakey u32 actions, bool ct_flow, 31277e36feebSPaul Blakey bool ct_clear, 3128e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3129bdd66ac0SOr Gerlitz { 313073867881SPablo Neira Ayuso const struct flow_action_entry *act; 31317e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3132fca53304SEli Britstein void *headers_c; 3133bdd66ac0SOr Gerlitz void *headers_v; 3134bdd66ac0SOr Gerlitz u16 ethertype; 31358998576bSDmytro Linkin u8 ip_proto; 31361836d780SRoi Dayan int i; 3137bdd66ac0SOr Gerlitz 3138fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 31398377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3140bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3141bdd66ac0SOr Gerlitz 3142bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3143fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3144fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3145bdd66ac0SOr Gerlitz goto out_ok; 3146bdd66ac0SOr Gerlitz 3147bdd66ac0SOr Gerlitz modify_ip_header = false; 31487e36feebSPaul Blakey modify_tuple = false; 314973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 315073867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 315173867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3152bdd66ac0SOr Gerlitz continue; 3153bdd66ac0SOr Gerlitz 31541836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 31557e36feebSPaul Blakey &modify_ip_header, 31561836d780SRoi Dayan &modify_tuple, extack)) 31571836d780SRoi Dayan return false; 3158bdd66ac0SOr Gerlitz } 3159bdd66ac0SOr Gerlitz 316096b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 316196b5b458SDima Chumak priv, spec)) 31627e36feebSPaul Blakey return false; 31637e36feebSPaul Blakey 3164bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31651ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31661ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3167e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3168e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 31693d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 31703d486ec4SOz Shlomo ip_proto); 3171bdd66ac0SOr Gerlitz return false; 3172bdd66ac0SOr Gerlitz } 3173bdd66ac0SOr Gerlitz 3174bdd66ac0SOr Gerlitz out_ok: 3175bdd66ac0SOr Gerlitz return true; 3176bdd66ac0SOr Gerlitz } 3177bdd66ac0SOr Gerlitz 3178bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 317973867881SPablo Neira Ayuso struct flow_action *flow_action, 3180bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3181e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3182e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3183bdd66ac0SOr Gerlitz { 3184a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3185bdd66ac0SOr Gerlitz u32 actions; 3186bdd66ac0SOr Gerlitz 3187c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3188a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3189a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3190c620b772SAriel Levkovich actions = flow->attr->action; 3191c620b772SAriel Levkovich 3192*6b50cf45SRoi Dayan if (!(actions & 3193*6b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 3194*6b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 3195*6b50cf45SRoi Dayan return false; 3196*6b50cf45SRoi Dayan } 3197*6b50cf45SRoi Dayan 3198c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 319969e2916eSPaul Blakey if (flow->attr->esw_attr->split_count && ct_flow && 320069e2916eSPaul Blakey !MLX5_CAP_GEN(flow->attr->esw_attr->in_mdev, reg_c_preserve)) { 32014c3844d9SPaul Blakey /* All registers used by ct are cleared when using 32024c3844d9SPaul Blakey * split rules. 32034c3844d9SPaul Blakey */ 32044c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32054c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 320649397b80SDan Carpenter return false; 32074c3844d9SPaul Blakey } 32084c3844d9SPaul Blakey } 3209bdd66ac0SOr Gerlitz 3210bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 32113d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3212a655fe9fSDavid S. Miller flow_action, actions, 32137e36feebSPaul Blakey ct_flow, ct_clear, 32147e36feebSPaul Blakey extack); 3215bdd66ac0SOr Gerlitz 3216bdd66ac0SOr Gerlitz return true; 3217bdd66ac0SOr Gerlitz } 3218bdd66ac0SOr Gerlitz 321932134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 322032134847SMaor Dickman { 322132134847SMaor Dickman return priv->mdev == peer_priv->mdev; 322232134847SMaor Dickman } 322332134847SMaor Dickman 32245c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 32255c65c564SOr Gerlitz { 32265c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3227816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 32285c65c564SOr Gerlitz 32295c65c564SOr Gerlitz fmdev = priv->mdev; 32305c65c564SOr Gerlitz pmdev = peer_priv->mdev; 32315c65c564SOr Gerlitz 323259c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 323359c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 32345c65c564SOr Gerlitz 3235816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 32365c65c564SOr Gerlitz } 32375c65c564SOr Gerlitz 3238bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3239bb569657SAriel Levkovich struct net_device *out_dev) 3240bb569657SAriel Levkovich { 3241bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3242bb569657SAriel Levkovich priv->netdev == out_dev; 3243bb569657SAriel Levkovich } 3244bb569657SAriel Levkovich 3245bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3246bdc837eeSEli Britstein const struct flow_action_entry *act, 3247bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3248bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3249bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3250bdc837eeSEli Britstein { 3251bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3252bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3253bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3254bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3255bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3256bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3257bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3258bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3259bdc837eeSEli Britstein }; 32606fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3261bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3262bdc837eeSEli Britstein int err; 3263bdc837eeSEli Britstein 3264bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3265bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3266bf2f3bcaSEli Britstein 3267bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3268bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3269bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3270bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3271bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3272bf2f3bcaSEli Britstein } 3273bf2f3bcaSEli Britstein 32746fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 32756fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 32766fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 32776fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 32786fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3279bdc837eeSEli Britstein return -EOPNOTSUPP; 3280bdc837eeSEli Britstein } 3281bdc837eeSEli Britstein 3282582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3283bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3284bdc837eeSEli Britstein 3285bdc837eeSEli Britstein return err; 3286bdc837eeSEli Britstein } 3287bdc837eeSEli Britstein 32880bac1194SEli Britstein static int 32890bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32900bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32910bac1194SEli Britstein struct pedit_headers_action *hdrs, 32920bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32930bac1194SEli Britstein { 32940bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32950bac1194SEli Britstein .vlan.vid = 0, 32960bac1194SEli Britstein .vlan.prio = 32970bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32980bac1194SEli Britstein get_match_headers_value(*action, 32990bac1194SEli Britstein &parse_attr->spec), 33000bac1194SEli Britstein first_prio) & 33010bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33020bac1194SEli Britstein get_match_headers_criteria(*action, 33030bac1194SEli Britstein &parse_attr->spec), 33040bac1194SEli Britstein first_prio), 33050bac1194SEli Britstein }; 33060bac1194SEli Britstein 33070bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 33080bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 33090bac1194SEli Britstein extack); 33100bac1194SEli Britstein } 33110bac1194SEli Britstein 3312c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3313c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3314c7569097SAriel Levkovich const struct flow_action_entry *act, 3315c7569097SAriel Levkovich u32 actions, 3316c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3317c7569097SAriel Levkovich { 3318c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3319c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3320c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3321c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3322c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3323c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3324c7569097SAriel Levkovich u32 reformat_and_fwd; 3325c7569097SAriel Levkovich u32 max_chain; 3326c7569097SAriel Levkovich 3327c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3328c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3329c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3330c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3331c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3332c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3333c7569097SAriel Levkovich 3334c7569097SAriel Levkovich if (ft_flow) { 3335c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3336c7569097SAriel Levkovich return -EOPNOTSUPP; 3337c7569097SAriel Levkovich } 3338c7569097SAriel Levkovich 3339c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3340c7569097SAriel Levkovich dest_chain <= attr->chain) { 3341c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3342c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3343c7569097SAriel Levkovich return -EOPNOTSUPP; 3344c7569097SAriel Levkovich } 3345c7569097SAriel Levkovich 3346c7569097SAriel Levkovich if (dest_chain > max_chain) { 3347c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3348c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3349c7569097SAriel Levkovich return -EOPNOTSUPP; 3350c7569097SAriel Levkovich } 3351c7569097SAriel Levkovich 3352c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3353c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3354c7569097SAriel Levkovich !reformat_and_fwd) { 3355c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3356c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3357c7569097SAriel Levkovich return -EOPNOTSUPP; 3358c7569097SAriel Levkovich } 3359c7569097SAriel Levkovich 3360c7569097SAriel Levkovich return 0; 3361c7569097SAriel Levkovich } 3362c7569097SAriel Levkovich 336373867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 336473867881SPablo Neira Ayuso struct flow_action *flow_action, 3365e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3366e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3367e3a2b7edSAmir Vadai { 3368c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3369c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 337073867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 337173867881SPablo Neira Ayuso const struct flow_action_entry *act; 3372c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 33731cab1cd7SOr Gerlitz u32 action = 0; 3374244cd96aSCong Wang int err, i; 3375e3a2b7edSAmir Vadai 337673867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3377e3a2b7edSAmir Vadai return -EINVAL; 3378e3a2b7edSAmir Vadai 337953eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 338053eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3381319a1d19SJiri Pirko return -EOPNOTSUPP; 3382319a1d19SJiri Pirko 3383c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3384c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3385c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3386e3a2b7edSAmir Vadai 338773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 338873867881SPablo Neira Ayuso switch (act->id) { 338915fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 339015fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 339115fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 339215fc92ecSTonghao Zhang break; 339373867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 3394950b4df9SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 3395950b4df9SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 339673867881SPablo Neira Ayuso break; 339773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 339873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 339973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3400582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 34012f4fe4caSOr Gerlitz if (err) 34022f4fe4caSOr Gerlitz return err; 34032f4fe4caSOr Gerlitz 3404c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 340573867881SPablo Neira Ayuso break; 3406bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3407bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3408bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3409bdc837eeSEli Britstein act, parse_attr, hdrs, 3410bdc837eeSEli Britstein &action, extack); 3411bdc837eeSEli Britstein if (err) 3412bdc837eeSEli Britstein return err; 3413bdc837eeSEli Britstein 3414bdc837eeSEli Britstein break; 341573867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 34161cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 341773867881SPablo Neira Ayuso act->csum_flags, 3418e98bedf5SEli Britstein extack)) 341973867881SPablo Neira Ayuso break; 342026c02749SOr Gerlitz 342126c02749SOr Gerlitz return -EOPNOTSUPP; 342273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 342373867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 34245c65c564SOr Gerlitz 34255c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 34265c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 342798b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3428226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 34291cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 34305c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 34315c65c564SOr Gerlitz } else { 3432e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3433e98bedf5SEli Britstein "device is not on same HW, can't offload"); 34345c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 34355c65c564SOr Gerlitz peer_dev->name); 343625f150f4SRoi Dayan return -EOPNOTSUPP; 34375c65c564SOr Gerlitz } 34385c65c564SOr Gerlitz } 343973867881SPablo Neira Ayuso break; 344073867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 344173867881SPablo Neira Ayuso u32 mark = act->mark; 3442e3a2b7edSAmir Vadai 3443e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3444e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3445e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 344625f150f4SRoi Dayan return -EOPNOTSUPP; 3447e3a2b7edSAmir Vadai } 3448e3a2b7edSAmir Vadai 3449c620b772SAriel Levkovich nic_attr->flow_tag = mark; 34501cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3451e3a2b7edSAmir Vadai } 345273867881SPablo Neira Ayuso break; 3453c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3454c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3455c7569097SAriel Levkovich extack); 3456c7569097SAriel Levkovich if (err) 3457c7569097SAriel Levkovich return err; 3458c7569097SAriel Levkovich 34597f8770c7SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 34607f8770c7SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 3461c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3462c7569097SAriel Levkovich break; 3463aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3464aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3465aedd133dSAriel Levkovich if (err) 3466aedd133dSAriel Levkovich return err; 3467aedd133dSAriel Levkovich 3468aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3469aedd133dSAriel Levkovich break; 347073867881SPablo Neira Ayuso default: 34712cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 34722cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3473e3a2b7edSAmir Vadai } 347473867881SPablo Neira Ayuso } 3475e3a2b7edSAmir Vadai 3476c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3477c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3478c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 347927c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3480c500c86bSPablo Neira Ayuso if (err) 3481c500c86bSPablo Neira Ayuso return err; 348227c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 348327c11b6bSEli Britstein * flag. 348427c11b6bSEli Britstein */ 34856ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 348627c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 34876ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3488e7739a60SEli Britstein } 3489c500c86bSPablo Neira Ayuso } 3490c500c86bSPablo Neira Ayuso 34911cab1cd7SOr Gerlitz attr->action = action; 3492c7569097SAriel Levkovich 34937f8770c7SRoi Dayan if (attr->dest_chain && parse_attr->mirred_ifindex[0]) { 3494c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3495c7569097SAriel Levkovich return -EOPNOTSUPP; 3496c7569097SAriel Levkovich } 3497c7569097SAriel Levkovich 349873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3499bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3500bdd66ac0SOr Gerlitz 3501e3a2b7edSAmir Vadai return 0; 3502e3a2b7edSAmir Vadai } 3503e3a2b7edSAmir Vadai 350432134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3505b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3506b1d90e6bSRabie Loulou { 3507b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3508b1d90e6bSRabie Loulou 3509b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3510b1d90e6bSRabie Loulou 3511b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 351232134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 351332134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 351468931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3515b1d90e6bSRabie Loulou } 3516b1d90e6bSRabie Loulou 35171482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 351873867881SPablo Neira Ayuso const struct flow_action_entry *act, 35191482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 35201482bd3dSJianbo Liu u32 *action) 35211482bd3dSJianbo Liu { 3522cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3523cc495188SJianbo Liu 3524cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 35251482bd3dSJianbo Liu return -EOPNOTSUPP; 3526cc495188SJianbo Liu 352773867881SPablo Neira Ayuso switch (act->id) { 352873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3529cc495188SJianbo Liu if (vlan_idx) { 3530cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3531cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3532cc495188SJianbo Liu return -EOPNOTSUPP; 3533cc495188SJianbo Liu 3534cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3535cc495188SJianbo Liu } else { 3536cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3537cc495188SJianbo Liu } 353873867881SPablo Neira Ayuso break; 353973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 354073867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 354173867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 354273867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3543cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3544cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3545cc495188SJianbo Liu 3546cc495188SJianbo Liu if (vlan_idx) { 3547cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3548cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3549cc495188SJianbo Liu return -EOPNOTSUPP; 3550cc495188SJianbo Liu 3551cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3552cc495188SJianbo Liu } else { 3553cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 355473867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 355573867881SPablo Neira Ayuso act->vlan.prio)) 3556cc495188SJianbo Liu return -EOPNOTSUPP; 3557cc495188SJianbo Liu 3558cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 35591482bd3dSJianbo Liu } 356073867881SPablo Neira Ayuso break; 356173867881SPablo Neira Ayuso default: 3562bdc837eeSEli Britstein return -EINVAL; 35631482bd3dSJianbo Liu } 35641482bd3dSJianbo Liu 3565cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3566cc495188SJianbo Liu 35671482bd3dSJianbo Liu return 0; 35681482bd3dSJianbo Liu } 35691482bd3dSJianbo Liu 3570d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3571d34eb2fcSOr Gerlitz struct net_device *out_dev) 3572d34eb2fcSOr Gerlitz { 3573d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3574d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3575d34eb2fcSOr Gerlitz 3576d34eb2fcSOr Gerlitz rcu_read_lock(); 3577d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3578d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3579d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3580d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3581d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3582d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3583d34eb2fcSOr Gerlitz if (fdb_out_dev && 3584d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3585d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3586d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3587d34eb2fcSOr Gerlitz } 3588d34eb2fcSOr Gerlitz rcu_read_unlock(); 3589d34eb2fcSOr Gerlitz return fdb_out_dev; 3590d34eb2fcSOr Gerlitz } 3591d34eb2fcSOr Gerlitz 3592278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3593c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3594278748a9SEli Britstein struct net_device **out_dev, 3595278748a9SEli Britstein u32 *action) 3596278748a9SEli Britstein { 3597278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3598278748a9SEli Britstein struct flow_action_entry vlan_act = { 3599278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3600278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3601278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3602278748a9SEli Britstein .vlan.prio = 0, 3603278748a9SEli Britstein }; 3604278748a9SEli Britstein int err; 3605278748a9SEli Britstein 3606c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 3607278748a9SEli Britstein if (err) 3608278748a9SEli Britstein return err; 3609278748a9SEli Britstein 3610dca59f4aSDima Chumak rcu_read_lock(); 3611dca59f4aSDima Chumak *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev)); 3612dca59f4aSDima Chumak rcu_read_unlock(); 3613dca59f4aSDima Chumak if (!*out_dev) 3614dca59f4aSDima Chumak return -ENODEV; 3615dca59f4aSDima Chumak 3616278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3617278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3618278748a9SEli Britstein 3619278748a9SEli Britstein return err; 3620278748a9SEli Britstein } 3621278748a9SEli Britstein 362235a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3623c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 362435a605dbSEli Britstein u32 *action) 362535a605dbSEli Britstein { 362635a605dbSEli Britstein struct flow_action_entry vlan_act = { 362735a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 362835a605dbSEli Britstein }; 362970f478caSDmytro Linkin int nest_level, err = 0; 363035a605dbSEli Britstein 363170f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 363270f478caSDmytro Linkin priv->netdev->lower_level; 363335a605dbSEli Britstein while (nest_level--) { 3634c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 363535a605dbSEli Britstein if (err) 363635a605dbSEli Britstein return err; 363735a605dbSEli Britstein } 363835a605dbSEli Britstein 363935a605dbSEli Britstein return err; 364035a605dbSEli Britstein } 364135a605dbSEli Britstein 364232134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 364332134847SMaor Dickman struct net_device *peer_netdev) 364432134847SMaor Dickman { 364532134847SMaor Dickman struct mlx5e_priv *peer_priv; 364632134847SMaor Dickman 364732134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 364832134847SMaor Dickman 364932134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 365032134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 365132134847SMaor Dickman same_hw_devs(priv, peer_priv); 365232134847SMaor Dickman } 365332134847SMaor Dickman 365432134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 365532134847SMaor Dickman struct net_device *peer_netdev) 365632134847SMaor Dickman { 365732134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 365832134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 365932134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 366032134847SMaor Dickman } 366132134847SMaor Dickman 3662f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3663f6dc1264SPaul Blakey struct net_device *out_dev) 3664f6dc1264SPaul Blakey { 366532134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 366632134847SMaor Dickman return true; 366732134847SMaor Dickman 366832134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3669f6dc1264SPaul Blakey return true; 3670f6dc1264SPaul Blakey 3671f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 367232134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3673f6dc1264SPaul Blakey } 3674f6dc1264SPaul Blakey 3675554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3676554fe75cSDmytro Linkin struct net_device *out_dev, 3677554fe75cSDmytro Linkin int *ifindexes, int if_count, 3678554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3679554fe75cSDmytro Linkin { 3680554fe75cSDmytro Linkin int i; 3681554fe75cSDmytro Linkin 3682554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3683554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3684554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3685554fe75cSDmytro Linkin "can't duplicate output to same device"); 3686554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3687554fe75cSDmytro Linkin out_dev->name); 3688554fe75cSDmytro Linkin return true; 3689554fe75cSDmytro Linkin } 3690554fe75cSDmytro Linkin } 3691554fe75cSDmytro Linkin 3692554fe75cSDmytro Linkin return false; 3693554fe75cSDmytro Linkin } 3694554fe75cSDmytro Linkin 3695613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3696613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3697613f53feSEli Cohen struct net_device *out_dev, 3698613f53feSEli Cohen struct netlink_ext_ack *extack) 3699613f53feSEli Cohen { 3700c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3701613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3702613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3703613f53feSEli Cohen 3704613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3705613f53feSEli Cohen * uplink ports is allowed only if 3706613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3707613f53feSEli Cohen * 3708c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3709613f53feSEli Cohen * In LAG case, *priv* is the private data of 3710613f53feSEli Cohen * uplink which may be not the input vport. 3711613f53feSEli Cohen */ 3712613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3713613f53feSEli Cohen 3714613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3715613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3716613f53feSEli Cohen return 0; 3717613f53feSEli Cohen 3718613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3719613f53feSEli Cohen termination_table_raw_traffic)) { 3720613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3721613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3722613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3723613f53feSEli Cohen priv->netdev->name, out_dev->name); 3724613f53feSEli Cohen return -EOPNOTSUPP; 3725613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3726613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3727613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3728613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3729613f53feSEli Cohen priv->netdev->name, out_dev->name); 3730613f53feSEli Cohen return -EOPNOTSUPP; 3731613f53feSEli Cohen } 3732613f53feSEli Cohen return 0; 3733613f53feSEli Cohen } 3734613f53feSEli Cohen 373573867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 373673867881SPablo Neira Ayuso struct flow_action *flow_action, 3737e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 373870f8019eSRoi Dayan struct netlink_ext_ack *extack) 3739a54e20b4SHadar Hen Zion { 374073867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3741bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3742c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 37431d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 3744bcd6740cSChris Mi struct mlx5e_sample_attr sample_attr = {}; 374573867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3746c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3747554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 374884179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 374973867881SPablo Neira Ayuso const struct flow_action_entry *act; 3750c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 37510a7fcb78SPaul Blakey bool encap = false, decap = false; 37520a7fcb78SPaul Blakey u32 action = attr->action; 3753554fe75cSDmytro Linkin int err, i, if_count = 0; 3754f828ca6aSEli Cohen bool mpls_push = false; 375503a9d11eSOr Gerlitz 375673867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 375703a9d11eSOr Gerlitz return -EINVAL; 375803a9d11eSOr Gerlitz 375953eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 376053eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3761319a1d19SJiri Pirko return -EOPNOTSUPP; 3762319a1d19SJiri Pirko 3763c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3764c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3765c620b772SAriel Levkovich 376673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 376773867881SPablo Neira Ayuso switch (act->id) { 376873867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 37691cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 377003a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 377173867881SPablo Neira Ayuso break; 3772f0288210SEli Cohen case FLOW_ACTION_TRAP: 3773f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3774f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 3775f0288210SEli Cohen "action trap is supported as a sole action only"); 3776f0288210SEli Cohen return -EOPNOTSUPP; 3777f0288210SEli Cohen } 3778f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3779f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 3780f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 3781f0288210SEli Cohen break; 3782f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3783f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3784f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3785f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3786f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3787f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3788f828ca6aSEli Cohen return -EOPNOTSUPP; 3789f828ca6aSEli Cohen } 3790f828ca6aSEli Cohen mpls_push = true; 3791f828ca6aSEli Cohen break; 379214e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 379314e6b038SEli Cohen /* we only support mpls pop if it is the first action 379414e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 379514e6b038SEli Cohen * actions can be pedit and the last can be mirred 379614e6b038SEli Cohen * egress redirect. 379714e6b038SEli Cohen */ 379814e6b038SEli Cohen if (i) { 379914e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 380014e6b038SEli Cohen "mpls pop supported only as first action"); 380114e6b038SEli Cohen return -EOPNOTSUPP; 380214e6b038SEli Cohen } 380370f8019eSRoi Dayan if (!netif_is_bareudp(parse_attr->filter_dev)) { 380414e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 380514e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 380614e6b038SEli Cohen return -EOPNOTSUPP; 380714e6b038SEli Cohen } 380814e6b038SEli Cohen 380914e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 381014e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 381114e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 381214e6b038SEli Cohen break; 381373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 381473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 381573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3816582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3817d7e75a32SOr Gerlitz if (err) 3818d7e75a32SOr Gerlitz return err; 3819d7e75a32SOr Gerlitz 3820582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 38211cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3822c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3823582234b4SEli Cohen } 382473867881SPablo Neira Ayuso break; 382573867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 38261cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 382773867881SPablo Neira Ayuso act->csum_flags, extack)) 382873867881SPablo Neira Ayuso break; 382926c02749SOr Gerlitz 383026c02749SOr Gerlitz return -EOPNOTSUPP; 383173867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 383273867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 383303a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3834592d3651SChris Mi struct net_device *out_dev; 383503a9d11eSOr Gerlitz 383673867881SPablo Neira Ayuso out_dev = act->dev; 3837ef381359SOz Shlomo if (!out_dev) { 3838ef381359SOz Shlomo /* out_dev is NULL when filters with 3839ef381359SOz Shlomo * non-existing mirred device are replayed to 3840ef381359SOz Shlomo * the driver. 3841ef381359SOz Shlomo */ 3842ef381359SOz Shlomo return -EINVAL; 3843ef381359SOz Shlomo } 384403a9d11eSOr Gerlitz 3845f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3846f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3847f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3848f828ca6aSEli Cohen return -EOPNOTSUPP; 3849f828ca6aSEli Cohen } 3850f828ca6aSEli Cohen 385184179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 385284179981SPaul Blakey /* Ignore forward to self rules generated 385384179981SPaul Blakey * by adding both mlx5 devs to the flow table 385484179981SPaul Blakey * block on a normal nft offload setup. 385584179981SPaul Blakey */ 385684179981SPaul Blakey return -EOPNOTSUPP; 385784179981SPaul Blakey } 385884179981SPaul Blakey 3859c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3860e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3861e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 38624ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38634ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3864c620b772SAriel Levkovich esw_attr->out_count); 3865592d3651SChris Mi return -EOPNOTSUPP; 3866592d3651SChris Mi } 3867592d3651SChris Mi 3868f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3869f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3870b6a4ac24SVlad Buslov if (encap) { 3871c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 3872b6a4ac24SVlad Buslov out_dev->ifindex; 38730d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 38740d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 3875c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 3876b6a4ac24SVlad Buslov return -ENOMEM; 3877b6a4ac24SVlad Buslov encap = false; 3878c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 3879b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3880c620b772SAriel Levkovich esw_attr->out_count++; 3881b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3882b6a4ac24SVlad Buslov * handle encap 3883b6a4ac24SVlad Buslov */ 3884b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 38857ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 38867ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 38877ba58ba7SRabie Loulou 3888554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3889554fe75cSDmytro Linkin out_dev, 3890554fe75cSDmytro Linkin ifindexes, 3891554fe75cSDmytro Linkin if_count, 3892554fe75cSDmytro Linkin extack)) 3893554fe75cSDmytro Linkin return -EOPNOTSUPP; 3894554fe75cSDmytro Linkin 3895554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3896554fe75cSDmytro Linkin if_count++; 3897554fe75cSDmytro Linkin 3898d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 3899d34eb2fcSOr Gerlitz if (!out_dev) 3900d34eb2fcSOr Gerlitz return -ENODEV; 39017ba58ba7SRabie Loulou 3902278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3903278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3904278748a9SEli Britstein &out_dev, 3905278748a9SEli Britstein &action); 3906278748a9SEli Britstein if (err) 3907278748a9SEli Britstein return err; 3908278748a9SEli Britstein } 3909f6dc1264SPaul Blakey 391035a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 391135a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 391235a605dbSEli Britstein &action); 391335a605dbSEli Britstein if (err) 391435a605dbSEli Britstein return err; 391535a605dbSEli Britstein } 3916278748a9SEli Britstein 3917613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 3918613f53feSEli Cohen if (err) 3919613f53feSEli Cohen return err; 3920ffec9702STonghao Zhang 3921f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3922f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3923f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3924a0646c88SEli Britstein return -EOPNOTSUPP; 3925f6dc1264SPaul Blakey } 3926a0646c88SEli Britstein 3927bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 3928bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3929bb569657SAriel Levkovich "can't forward from a VF to itself"); 3930bb569657SAriel Levkovich return -EOPNOTSUPP; 3931bb569657SAriel Levkovich } 3932bb569657SAriel Levkovich 393303a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 39341d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3935c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 3936c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 3937c620b772SAriel Levkovich esw_attr->out_count++; 3938ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3939ef381359SOz Shlomo /* All mlx5 devices are called to configure 3940ef381359SOz Shlomo * high level device filters. Therefore, the 3941ef381359SOz Shlomo * *attempt* to install a filter on invalid 3942ef381359SOz Shlomo * eswitch should not trigger an explicit error 3943ef381359SOz Shlomo */ 3944ef381359SOz Shlomo return -EINVAL; 3945a54e20b4SHadar Hen Zion } else { 3946e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3947e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 39484ccd83f4SRoi Dayan netdev_warn(priv->netdev, 39494ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 39504ccd83f4SRoi Dayan priv->netdev->name, 39514ccd83f4SRoi Dayan out_dev->name); 395225f150f4SRoi Dayan return -EOPNOTSUPP; 3953a54e20b4SHadar Hen Zion } 3954a54e20b4SHadar Hen Zion } 395573867881SPablo Neira Ayuso break; 395673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 395773867881SPablo Neira Ayuso info = act->tunnel; 3958a54e20b4SHadar Hen Zion if (info) 3959a54e20b4SHadar Hen Zion encap = true; 3960a54e20b4SHadar Hen Zion else 3961a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 396203a9d11eSOr Gerlitz 396373867881SPablo Neira Ayuso break; 396473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 396573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 396676b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 396776b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 396876b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 396976b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 397076b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 397176b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 397276b496b1SEli Britstein act, parse_attr, hdrs, 397376b496b1SEli Britstein &action, extack); 397476b496b1SEli Britstein } else { 3975c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 397676b496b1SEli Britstein } 39771482bd3dSJianbo Liu if (err) 39781482bd3dSJianbo Liu return err; 39791482bd3dSJianbo Liu 3980c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 398173867881SPablo Neira Ayuso break; 3982bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3983bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3984bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3985bdc837eeSEli Britstein act, parse_attr, hdrs, 3986bdc837eeSEli Britstein &action, extack); 3987bdc837eeSEli Britstein if (err) 3988bdc837eeSEli Britstein return err; 3989bdc837eeSEli Britstein 3990c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3991bdc837eeSEli Britstein break; 399273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 39930a7fcb78SPaul Blakey decap = true; 399473867881SPablo Neira Ayuso break; 39952fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 3996c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 39972fbbc30dSEli Cohen extack); 39982fbbc30dSEli Cohen if (err) 39992fbbc30dSEli Cohen return err; 4000bf07aa73SPaul Blakey 40017f8770c7SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 40027f8770c7SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 40032fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 400473867881SPablo Neira Ayuso break; 40054c3844d9SPaul Blakey case FLOW_ACTION_CT: 400641c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 400741c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 400841c2fd94SChris Mi return -EOPNOTSUPP; 400941c2fd94SChris Mi } 4010aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 40114c3844d9SPaul Blakey if (err) 40124c3844d9SPaul Blakey return err; 40134c3844d9SPaul Blakey 40144c3844d9SPaul Blakey flow_flag_set(flow, CT); 401569e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 40164c3844d9SPaul Blakey break; 401741c2fd94SChris Mi case FLOW_ACTION_SAMPLE: 401841c2fd94SChris Mi if (flow_flag_test(flow, CT)) { 401941c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 402041c2fd94SChris Mi return -EOPNOTSUPP; 402141c2fd94SChris Mi } 4022bcd6740cSChris Mi sample_attr.rate = act->sample.rate; 4023bcd6740cSChris Mi sample_attr.group_num = act->sample.psample_group->group_num; 402441c2fd94SChris Mi if (act->sample.truncate) 4025bcd6740cSChris Mi sample_attr.trunc_size = act->sample.trunc_size; 402641c2fd94SChris Mi flow_flag_set(flow, SAMPLE); 402741c2fd94SChris Mi break; 402873867881SPablo Neira Ayuso default: 40292cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 40302cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 403103a9d11eSOr Gerlitz } 403273867881SPablo Neira Ayuso } 4033bdd66ac0SOr Gerlitz 4034a508728aSVlad Buslov /* always set IP version for indirect table handling */ 4035a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4036a508728aSVlad Buslov 40370bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 40380bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 40390bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 40400bac1194SEli Britstein * tag rewrite. 40410bac1194SEli Britstein */ 40420bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 40430bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 40440bac1194SEli Britstein &action, extack); 40450bac1194SEli Britstein if (err) 40460bac1194SEli Britstein return err; 40470bac1194SEli Britstein } 40480bac1194SEli Britstein 4049c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4050c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 405184be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 405227c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4053c500c86bSPablo Neira Ayuso if (err) 4054c500c86bSPablo Neira Ayuso return err; 405527c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 405627c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 405727c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 405827c11b6bSEli Britstein */ 40596ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 406027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 40616ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 406227c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 406327c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 4064c620b772SAriel Levkovich esw_attr->split_count = 0; 406527c11b6bSEli Britstein } 4066c500c86bSPablo Neira Ayuso } 4067c500c86bSPablo Neira Ayuso 40681cab1cd7SOr Gerlitz attr->action = action; 406973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4070bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4071bdd66ac0SOr Gerlitz 40727f8770c7SRoi Dayan if (attr->dest_chain && decap) { 40730a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 40740a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 40750a7fcb78SPaul Blakey * this tunnel id with this decap flow. 40760a7fcb78SPaul Blakey * 40770a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 40780a7fcb78SPaul Blakey * device. 40790a7fcb78SPaul Blakey */ 40800a7fcb78SPaul Blakey 40817f8770c7SRoi Dayan NL_SET_ERR_MSG(extack, "Decap with goto isn't supported"); 40827f8770c7SRoi Dayan netdev_warn(priv->netdev, "Decap with goto isn't supported"); 40830a7fcb78SPaul Blakey return -EOPNOTSUPP; 40840a7fcb78SPaul Blakey } 40850a7fcb78SPaul Blakey 4086c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4087e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4088e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4089592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4090592d3651SChris Mi return -EOPNOTSUPP; 4091592d3651SChris Mi } 4092592d3651SChris Mi 409341c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 409441c2fd94SChris Mi * no errors after parsing. 409541c2fd94SChris Mi */ 409641c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 4097bcd6740cSChris Mi attr->sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL); 4098bcd6740cSChris Mi if (!attr->sample_attr) 409941c2fd94SChris Mi return -ENOMEM; 4100bcd6740cSChris Mi *attr->sample_attr = sample_attr; 410141c2fd94SChris Mi } 410241c2fd94SChris Mi 410331c8eba5SOr Gerlitz return 0; 410403a9d11eSOr Gerlitz } 410503a9d11eSOr Gerlitz 4106226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 410760bd4af8SOr Gerlitz { 4108226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 410960bd4af8SOr Gerlitz 4110226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4111226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4112226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4113226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 411460bd4af8SOr Gerlitz 4115226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4116226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4117226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4118226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 411984179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 412084179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4121d9ee0491SOr Gerlitz 412260bd4af8SOr Gerlitz *flow_flags = __flow_flags; 412360bd4af8SOr Gerlitz } 412460bd4af8SOr Gerlitz 412505866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 412605866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 412705866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 412805866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 412905866c82SOr Gerlitz .automatic_shrinking = true, 413005866c82SOr Gerlitz }; 413105866c82SOr Gerlitz 4132226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4133226f2ca3SVlad Buslov unsigned long flags) 413405866c82SOr Gerlitz { 4135655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4136655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4137655dc3d2SOr Gerlitz 4138226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4139655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4140ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4141d9ee0491SOr Gerlitz } else /* NIC offload */ 414205866c82SOr Gerlitz return &priv->fs.tc.ht; 414305866c82SOr Gerlitz } 414405866c82SOr Gerlitz 414504de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 414604de7ddaSRoi Dayan { 4147c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4148c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4149c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4150226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 41511418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 41521418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4153c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 41541418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 41551418ddd9SAviv Heller 415610fbb1cdSRoi Dayan if (!esw_paired) 415710fbb1cdSRoi Dayan return false; 415810fbb1cdSRoi Dayan 4159c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4160c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 416110fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 416210fbb1cdSRoi Dayan return true; 416310fbb1cdSRoi Dayan 416410fbb1cdSRoi Dayan return false; 416504de7ddaSRoi Dayan } 416604de7ddaSRoi Dayan 4167c620b772SAriel Levkovich struct mlx5_flow_attr * 4168c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4169c620b772SAriel Levkovich { 4170c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4171c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4172c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4173c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4174c620b772SAriel Levkovich 4175c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4176c620b772SAriel Levkovich } 4177c620b772SAriel Levkovich 4178a88780a9SRoi Dayan static int 4179a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4180226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4181a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4182a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4183e3a2b7edSAmir Vadai { 418417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4185c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 41863bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4187ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4188ff7ea04aSGustavo A. R. Silva int out_index; 4189776b12b6SOr Gerlitz 4190c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 41911b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4192ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4193ff7ea04aSGustavo A. R. Silva goto err_free; 4194c620b772SAriel Levkovich 4195c620b772SAriel Levkovich flow->flags = flow_flags; 4196c620b772SAriel Levkovich flow->cookie = f->cookie; 4197c620b772SAriel Levkovich flow->priv = priv; 4198c620b772SAriel Levkovich 4199c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4200ff7ea04aSGustavo A. R. Silva if (!attr) 4201e3a2b7edSAmir Vadai goto err_free; 4202ff7ea04aSGustavo A. R. Silva 4203c620b772SAriel Levkovich flow->attr = attr; 4204e3a2b7edSAmir Vadai 42055a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 42065a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 42075a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 420814e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 42095a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 421095435ad7SVlad Buslov init_completion(&flow->init_done); 4211e3a2b7edSAmir Vadai 4212a88780a9SRoi Dayan *__flow = flow; 4213a88780a9SRoi Dayan *__parse_attr = parse_attr; 4214a88780a9SRoi Dayan 4215a88780a9SRoi Dayan return 0; 4216a88780a9SRoi Dayan 4217a88780a9SRoi Dayan err_free: 4218a88780a9SRoi Dayan kfree(flow); 4219a88780a9SRoi Dayan kvfree(parse_attr); 4220a88780a9SRoi Dayan return err; 4221adb4c123SOr Gerlitz } 4222adb4c123SOr Gerlitz 4223988ab9c7STonghao Zhang static void 4224c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4225c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4226c7569097SAriel Levkovich struct flow_cls_offload *f) 4227c7569097SAriel Levkovich { 4228c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4229c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4230c7569097SAriel Levkovich attr->prio = f->common.prio; 4231c7569097SAriel Levkovich } 4232c7569097SAriel Levkovich 4233c7569097SAriel Levkovich static void 4234c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4235988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4236988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4237f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4238988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4239988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4240988ab9c7STonghao Zhang { 4241988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4242c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4243988ab9c7STonghao Zhang 4244c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4245988ab9c7STonghao Zhang 4246988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4247988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4248988ab9c7STonghao Zhang 4249988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4250988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4251988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4252988ab9c7STonghao Zhang else 4253988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4254988ab9c7STonghao Zhang } 4255988ab9c7STonghao Zhang 425671129676SJason Gunthorpe static struct mlx5e_tc_flow * 425704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4258f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4259226f2ca3SVlad Buslov unsigned long flow_flags, 4260d11afc26SOz Shlomo struct net_device *filter_dev, 426104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 426271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4263a88780a9SRoi Dayan { 4264f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4265a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4266a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4267a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4268a88780a9SRoi Dayan int attr_size, err; 4269a88780a9SRoi Dayan 4270226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4271a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4272a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4273a88780a9SRoi Dayan &parse_attr, &flow); 4274a88780a9SRoi Dayan if (err) 4275a88780a9SRoi Dayan goto out; 4276988ab9c7STonghao Zhang 4277d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4278c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4279988ab9c7STonghao Zhang priv, parse_attr, 4280988ab9c7STonghao Zhang f, in_rep, in_mdev); 4281988ab9c7STonghao Zhang 428254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 428354c177caSOz Shlomo f, filter_dev); 4284d11afc26SOz Shlomo if (err) 4285d11afc26SOz Shlomo goto err_free; 4286a88780a9SRoi Dayan 42877e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4288aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4289c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4290a88780a9SRoi Dayan if (err) 4291a88780a9SRoi Dayan goto err_free; 4292a88780a9SRoi Dayan 429370f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 42944c3844d9SPaul Blakey if (err) 42954c3844d9SPaul Blakey goto err_free; 42964c3844d9SPaul Blakey 42977040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 429895435ad7SVlad Buslov complete_all(&flow->init_done); 4299ef06c9eeSRoi Dayan if (err) { 4300ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4301aa0cbbaeSOr Gerlitz goto err_free; 43025c40348cSOr Gerlitz 4303b4a23329SRoi Dayan add_unready_flow(flow); 4304ef06c9eeSRoi Dayan } 4305ef06c9eeSRoi Dayan 430671129676SJason Gunthorpe return flow; 4307e3a2b7edSAmir Vadai 4308e3a2b7edSAmir Vadai err_free: 43095a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4310a88780a9SRoi Dayan out: 431171129676SJason Gunthorpe return ERR_PTR(err); 4312a88780a9SRoi Dayan } 4313a88780a9SRoi Dayan 4314f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 431595dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4316226f2ca3SVlad Buslov unsigned long flow_flags) 431704de7ddaSRoi Dayan { 431804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 431904de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4320c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 432104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 432204de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 432304de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 432404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 432504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 432604de7ddaSRoi Dayan int err = 0; 432704de7ddaSRoi Dayan 432804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 432904de7ddaSRoi Dayan if (!peer_esw) 433004de7ddaSRoi Dayan return -ENODEV; 433104de7ddaSRoi Dayan 433204de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 433304de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 433404de7ddaSRoi Dayan 433504de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 433604de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 433704de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 433804de7ddaSRoi Dayan * peer mdev. 433904de7ddaSRoi Dayan */ 4340c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 434104de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 434204de7ddaSRoi Dayan else 434304de7ddaSRoi Dayan in_mdev = priv->mdev; 434404de7ddaSRoi Dayan 4345c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 434695dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 434704de7ddaSRoi Dayan parse_attr->filter_dev, 4348c620b772SAriel Levkovich attr->in_rep, in_mdev); 434971129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 435071129676SJason Gunthorpe err = PTR_ERR(peer_flow); 435104de7ddaSRoi Dayan goto out; 435271129676SJason Gunthorpe } 435304de7ddaSRoi Dayan 435404de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4355226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 435604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 435704de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 435804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 435904de7ddaSRoi Dayan 436004de7ddaSRoi Dayan out: 436104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 436204de7ddaSRoi Dayan return err; 436304de7ddaSRoi Dayan } 436404de7ddaSRoi Dayan 436504de7ddaSRoi Dayan static int 436604de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4367f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4368226f2ca3SVlad Buslov unsigned long flow_flags, 436904de7ddaSRoi Dayan struct net_device *filter_dev, 437004de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 437104de7ddaSRoi Dayan { 437204de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 437304de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 437404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 437504de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 437604de7ddaSRoi Dayan int err; 437704de7ddaSRoi Dayan 437871129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 437971129676SJason Gunthorpe in_mdev); 438071129676SJason Gunthorpe if (IS_ERR(flow)) 438171129676SJason Gunthorpe return PTR_ERR(flow); 438204de7ddaSRoi Dayan 438304de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 438495dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 438504de7ddaSRoi Dayan if (err) { 438604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 438704de7ddaSRoi Dayan goto out; 438804de7ddaSRoi Dayan } 438904de7ddaSRoi Dayan } 439004de7ddaSRoi Dayan 439104de7ddaSRoi Dayan *__flow = flow; 439204de7ddaSRoi Dayan 439304de7ddaSRoi Dayan return 0; 439404de7ddaSRoi Dayan 439504de7ddaSRoi Dayan out: 439604de7ddaSRoi Dayan return err; 439704de7ddaSRoi Dayan } 439804de7ddaSRoi Dayan 4399a88780a9SRoi Dayan static int 4400a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4401f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4402226f2ca3SVlad Buslov unsigned long flow_flags, 4403d11afc26SOz Shlomo struct net_device *filter_dev, 4404a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4405a88780a9SRoi Dayan { 4406f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4407a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4408a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4409a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4410a88780a9SRoi Dayan int attr_size, err; 4411a88780a9SRoi Dayan 4412c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4413bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4414bf07aa73SPaul Blakey return -EOPNOTSUPP; 4415c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4416c7569097SAriel Levkovich return -EOPNOTSUPP; 4417c7569097SAriel Levkovich } 4418bf07aa73SPaul Blakey 4419226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4420a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4421a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4422a88780a9SRoi Dayan &parse_attr, &flow); 4423a88780a9SRoi Dayan if (err) 4424a88780a9SRoi Dayan goto out; 4425a88780a9SRoi Dayan 4426d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4427c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4428c7569097SAriel Levkovich 442954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 443054c177caSOz Shlomo f, filter_dev); 4431d11afc26SOz Shlomo if (err) 4432d11afc26SOz Shlomo goto err_free; 4433d11afc26SOz Shlomo 4434aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4435aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4436aedd133dSAriel Levkovich if (err) 4437aedd133dSAriel Levkovich goto err_free; 4438aedd133dSAriel Levkovich 4439c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4440a88780a9SRoi Dayan if (err) 4441a88780a9SRoi Dayan goto err_free; 4442a88780a9SRoi Dayan 4443c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4444a88780a9SRoi Dayan if (err) 4445a88780a9SRoi Dayan goto err_free; 4446a88780a9SRoi Dayan 4447226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4448a88780a9SRoi Dayan *__flow = flow; 4449a88780a9SRoi Dayan 4450a88780a9SRoi Dayan return 0; 4451a88780a9SRoi Dayan 4452a88780a9SRoi Dayan err_free: 44538914add2SVlad Buslov flow_flag_set(flow, FAILED); 4454e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 44555a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4456a88780a9SRoi Dayan out: 4457a88780a9SRoi Dayan return err; 4458a88780a9SRoi Dayan } 4459a88780a9SRoi Dayan 4460a88780a9SRoi Dayan static int 4461a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4462f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4463226f2ca3SVlad Buslov unsigned long flags, 4464d11afc26SOz Shlomo struct net_device *filter_dev, 4465a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4466a88780a9SRoi Dayan { 4467a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4468226f2ca3SVlad Buslov unsigned long flow_flags; 4469a88780a9SRoi Dayan int err; 4470a88780a9SRoi Dayan 4471a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4472a88780a9SRoi Dayan 4473bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4474bf07aa73SPaul Blakey return -EOPNOTSUPP; 4475bf07aa73SPaul Blakey 4476f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4477d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4478d11afc26SOz Shlomo filter_dev, flow); 4479a88780a9SRoi Dayan else 4480d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4481d11afc26SOz Shlomo filter_dev, flow); 4482a88780a9SRoi Dayan 4483a88780a9SRoi Dayan return err; 4484a88780a9SRoi Dayan } 4485a88780a9SRoi Dayan 4486553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4487553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4488553f9328SVu Pham { 4489553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 44902fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 44912fb15e72SVlad Buslov * function is called from NIC mode. 4492553f9328SVu Pham */ 44932fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4494553f9328SVu Pham } 4495553f9328SVu Pham 449671d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4497226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4498a88780a9SRoi Dayan { 4499a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4500d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4501553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4502a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4503a88780a9SRoi Dayan int err = 0; 4504a88780a9SRoi Dayan 45057dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 45067dc84de9SRoi Dayan return -EAGAIN; 45077dc84de9SRoi Dayan 45087dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 45097dc84de9SRoi Dayan 4510c5d326b2SVlad Buslov rcu_read_lock(); 4511c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4512a88780a9SRoi Dayan if (flow) { 4513553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4514553f9328SVu Pham * just return 0. 4515553f9328SVu Pham */ 4516553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4517c1aea9e1SVlad Buslov goto rcu_unlock; 4518553f9328SVu Pham 4519a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4520a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4521a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4522a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4523a88780a9SRoi Dayan f->cookie); 45240e1c1a2fSVlad Buslov err = -EEXIST; 4525c1aea9e1SVlad Buslov goto rcu_unlock; 4526a88780a9SRoi Dayan } 4527c1aea9e1SVlad Buslov rcu_unlock: 4528c1aea9e1SVlad Buslov rcu_read_unlock(); 4529c1aea9e1SVlad Buslov if (flow) 4530c1aea9e1SVlad Buslov goto out; 4531a88780a9SRoi Dayan 45327a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4533d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4534a88780a9SRoi Dayan if (err) 4535a88780a9SRoi Dayan goto out; 4536a88780a9SRoi Dayan 4537553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4538553f9328SVu Pham * set the flow's owner dev. 4539553f9328SVu Pham */ 4540553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4541553f9328SVu Pham flow->orig_dev = dev; 4542553f9328SVu Pham 4543c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4544a88780a9SRoi Dayan if (err) 4545a88780a9SRoi Dayan goto err_free; 4546a88780a9SRoi Dayan 45477dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4548a88780a9SRoi Dayan return 0; 4549a88780a9SRoi Dayan 4550a88780a9SRoi Dayan err_free: 45515a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4552a88780a9SRoi Dayan out: 45537dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 45547dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4555e3a2b7edSAmir Vadai return err; 4556e3a2b7edSAmir Vadai } 4557e3a2b7edSAmir Vadai 45588f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 45598f8ae895SOr Gerlitz { 4560226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4561226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 45628f8ae895SOr Gerlitz 4563226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4564226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 45658f8ae895SOr Gerlitz } 45668f8ae895SOr Gerlitz 456771d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4568226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4569e3a2b7edSAmir Vadai { 4570d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4571e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4572c5d326b2SVlad Buslov int err; 4573e3a2b7edSAmir Vadai 4574c5d326b2SVlad Buslov rcu_read_lock(); 4575ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4576c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4577c5d326b2SVlad Buslov err = -EINVAL; 4578c5d326b2SVlad Buslov goto errout; 4579c5d326b2SVlad Buslov } 4580e3a2b7edSAmir Vadai 4581c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4582c5d326b2SVlad Buslov * set. 4583c5d326b2SVlad Buslov */ 4584c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4585c5d326b2SVlad Buslov err = -EINVAL; 4586c5d326b2SVlad Buslov goto errout; 4587c5d326b2SVlad Buslov } 458805866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4589c5d326b2SVlad Buslov rcu_read_unlock(); 4590e3a2b7edSAmir Vadai 45917a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 45925a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4593e3a2b7edSAmir Vadai 45947dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4595e3a2b7edSAmir Vadai return 0; 4596c5d326b2SVlad Buslov 4597c5d326b2SVlad Buslov errout: 4598c5d326b2SVlad Buslov rcu_read_unlock(); 4599c5d326b2SVlad Buslov return err; 4600e3a2b7edSAmir Vadai } 4601e3a2b7edSAmir Vadai 460271d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4603226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4604aad7e08dSAmir Vadai { 460504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4606d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 460704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4608aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4609aad7e08dSAmir Vadai struct mlx5_fc *counter; 4610316d5f72SRoi Dayan u64 lastuse = 0; 4611316d5f72SRoi Dayan u64 packets = 0; 4612316d5f72SRoi Dayan u64 bytes = 0; 46135a7e5bcbSVlad Buslov int err = 0; 4614aad7e08dSAmir Vadai 4615c5d326b2SVlad Buslov rcu_read_lock(); 4616c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 46175a7e5bcbSVlad Buslov tc_ht_params)); 4618c5d326b2SVlad Buslov rcu_read_unlock(); 46195a7e5bcbSVlad Buslov if (IS_ERR(flow)) 46205a7e5bcbSVlad Buslov return PTR_ERR(flow); 46215a7e5bcbSVlad Buslov 46225a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 46235a7e5bcbSVlad Buslov err = -EINVAL; 46245a7e5bcbSVlad Buslov goto errout; 46255a7e5bcbSVlad Buslov } 4626aad7e08dSAmir Vadai 46274c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4628b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4629aad7e08dSAmir Vadai if (!counter) 46305a7e5bcbSVlad Buslov goto errout; 4631aad7e08dSAmir Vadai 4632aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4633316d5f72SRoi Dayan } 4634aad7e08dSAmir Vadai 4635316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4636316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4637316d5f72SRoi Dayan */ 463804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 463904de7ddaSRoi Dayan if (!peer_esw) 464004de7ddaSRoi Dayan goto out; 464104de7ddaSRoi Dayan 4642226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4643226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 464404de7ddaSRoi Dayan u64 bytes2; 464504de7ddaSRoi Dayan u64 packets2; 464604de7ddaSRoi Dayan u64 lastuse2; 464704de7ddaSRoi Dayan 464804de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4649316d5f72SRoi Dayan if (!counter) 4650316d5f72SRoi Dayan goto no_peer_counter; 465104de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 465204de7ddaSRoi Dayan 465304de7ddaSRoi Dayan bytes += bytes2; 465404de7ddaSRoi Dayan packets += packets2; 465504de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 465604de7ddaSRoi Dayan } 465704de7ddaSRoi Dayan 4658316d5f72SRoi Dayan no_peer_counter: 465904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 466004de7ddaSRoi Dayan out: 46614b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 466293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 46637a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 46645a7e5bcbSVlad Buslov errout: 46655a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 46665a7e5bcbSVlad Buslov return err; 4667aad7e08dSAmir Vadai } 4668aad7e08dSAmir Vadai 46691fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4670fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4671fcb64c0fSEli Cohen { 4672fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4673fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 46741fe3e316SParav Pandit u32 rate_mbps = 0; 4675fcb64c0fSEli Cohen u16 vport_num; 4676fcb64c0fSEli Cohen int err; 4677fcb64c0fSEli Cohen 4678e401a184SEli Cohen vport_num = rpriv->rep->vport; 4679e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4680e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4681e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4682e401a184SEli Cohen return -EOPNOTSUPP; 4683e401a184SEli Cohen } 4684e401a184SEli Cohen 4685fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4686fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4687fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4688fcb64c0fSEli Cohen * mbit means million bits. 4689fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4690fcb64c0fSEli Cohen * 1 mbit/sec. 4691fcb64c0fSEli Cohen */ 46921fe3e316SParav Pandit if (rate) { 46931fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 46948b90d897SParav Pandit do_div(rate, 1000000); 46958b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 46961fe3e316SParav Pandit } 46971fe3e316SParav Pandit 46982d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4699fcb64c0fSEli Cohen if (err) 4700fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4701fcb64c0fSEli Cohen 4702fcb64c0fSEli Cohen return err; 4703fcb64c0fSEli Cohen } 4704fcb64c0fSEli Cohen 4705fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4706fcb64c0fSEli Cohen struct flow_action *flow_action, 4707fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4708fcb64c0fSEli Cohen { 4709fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4710fcb64c0fSEli Cohen const struct flow_action_entry *act; 4711fcb64c0fSEli Cohen int err; 4712fcb64c0fSEli Cohen int i; 4713fcb64c0fSEli Cohen 4714fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4715fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4716fcb64c0fSEli Cohen return -EINVAL; 4717fcb64c0fSEli Cohen } 4718fcb64c0fSEli Cohen 4719fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4720fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4721fcb64c0fSEli Cohen return -EOPNOTSUPP; 4722fcb64c0fSEli Cohen } 4723fcb64c0fSEli Cohen 472453eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4725319a1d19SJiri Pirko return -EOPNOTSUPP; 4726319a1d19SJiri Pirko 4727fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4728fcb64c0fSEli Cohen switch (act->id) { 4729fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 47306a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 47316a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 47326a56e199SBaowen Zheng return -EOPNOTSUPP; 47336a56e199SBaowen Zheng } 4734fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4735fcb64c0fSEli Cohen if (err) 4736fcb64c0fSEli Cohen return err; 4737fcb64c0fSEli Cohen 4738fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4739fcb64c0fSEli Cohen break; 4740fcb64c0fSEli Cohen default: 4741fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4742fcb64c0fSEli Cohen return -EOPNOTSUPP; 4743fcb64c0fSEli Cohen } 4744fcb64c0fSEli Cohen } 4745fcb64c0fSEli Cohen 4746fcb64c0fSEli Cohen return 0; 4747fcb64c0fSEli Cohen } 4748fcb64c0fSEli Cohen 4749fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4750fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4751fcb64c0fSEli Cohen { 4752b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4753fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4754fcb64c0fSEli Cohen 4755b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4756b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4757b5f814ccSEli Cohen return -EOPNOTSUPP; 4758b5f814ccSEli Cohen } 4759b5f814ccSEli Cohen 47607b83355fSEli Cohen if (ma->common.prio != 1) { 4761fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4762fcb64c0fSEli Cohen return -EINVAL; 4763fcb64c0fSEli Cohen } 4764fcb64c0fSEli Cohen 4765fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4766fcb64c0fSEli Cohen } 4767fcb64c0fSEli Cohen 4768fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4769fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4770fcb64c0fSEli Cohen { 4771fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4772fcb64c0fSEli Cohen 4773fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4774fcb64c0fSEli Cohen } 4775fcb64c0fSEli Cohen 4776fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4777fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4778fcb64c0fSEli Cohen { 4779fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4780fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4781fcb64c0fSEli Cohen u64 dbytes; 4782fcb64c0fSEli Cohen u64 dpkts; 4783fcb64c0fSEli Cohen 4784fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4785fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4786fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4787fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 47884b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 478993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4790fcb64c0fSEli Cohen } 4791fcb64c0fSEli Cohen 47924d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 47934d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 47944d8fcf21SAlaa Hleihel { 47954d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4796db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4797db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 47984d8fcf21SAlaa Hleihel u16 peer_vhca_id; 47994d8fcf21SAlaa Hleihel int bkt; 48004d8fcf21SAlaa Hleihel 48014d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 48024d8fcf21SAlaa Hleihel return; 48034d8fcf21SAlaa Hleihel 48044d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 48054d8fcf21SAlaa Hleihel 4806b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4807db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4808db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4809db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4810b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4811db76ca24SVlad Buslov 4812db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4813db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4814db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4815a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4816db76ca24SVlad Buslov 4817db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4818db76ca24SVlad Buslov } 48194d8fcf21SAlaa Hleihel } 48204d8fcf21SAlaa Hleihel 48214d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 48224d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 48234d8fcf21SAlaa Hleihel { 48244d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 48254d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 48264d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 48274d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 48284d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 48294d8fcf21SAlaa Hleihel 48304d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 48314d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 48324d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 48334d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48344d8fcf21SAlaa Hleihel 48354d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 48364d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 48374d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 48384d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 48394d8fcf21SAlaa Hleihel if (priv == peer_priv || 48404d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 48414d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48424d8fcf21SAlaa Hleihel 48434d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 48444d8fcf21SAlaa Hleihel 48454d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48464d8fcf21SAlaa Hleihel } 48474d8fcf21SAlaa Hleihel 48486a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 48496a064674SAriel Levkovich { 48506a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 48516a064674SAriel Levkovich u32 max_flow_counter; 48526a064674SAriel Levkovich 48536a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 48546a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 48556a064674SAriel Levkovich 48566a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 48576a064674SAriel Levkovich 48586a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 48596a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 48606a064674SAriel Levkovich 48616a064674SAriel Levkovich return tc_tbl_size; 48626a064674SAriel Levkovich } 48636a064674SAriel Levkovich 4864655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4865e8f887acSAmir Vadai { 4866acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 48676a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4868c9355682SChris Mi struct mapping_ctx *chains_mapping; 48696a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 48702198b932SRoi Dayan u64 mapping_id; 48714d8fcf21SAlaa Hleihel int err; 4872e8f887acSAmir Vadai 4873b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4874b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4875b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 48765c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 487711c9c548SOr Gerlitz 48784d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 48794d8fcf21SAlaa Hleihel if (err) 48804d8fcf21SAlaa Hleihel return err; 48814d8fcf21SAlaa Hleihel 48829ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 48839ba33339SRoi Dayan 48842198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 48852198b932SRoi Dayan 48862198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 48872198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4888c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 48892198b932SRoi Dayan 4890c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4891c9355682SChris Mi err = PTR_ERR(chains_mapping); 4892c9355682SChris Mi goto err_mapping; 4893c9355682SChris Mi } 4894c9355682SChris Mi tc->mapping = chains_mapping; 4895c9355682SChris Mi 4896c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4897c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4898c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 48996a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 49006a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 49016a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 49026783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4903c9355682SChris Mi attr.mapping = chains_mapping; 49046a064674SAriel Levkovich 49056a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 49066a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 49076a064674SAriel Levkovich err = PTR_ERR(tc->chains); 49086a064674SAriel Levkovich goto err_chains; 49096a064674SAriel Levkovich } 49106a064674SAriel Levkovich 4911f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 4912aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4913f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 4914aedd133dSAriel Levkovich 49154d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4916d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4917d48834f9SJiri Pirko &tc->netdevice_nb, 4918d48834f9SJiri Pirko &tc->netdevice_nn); 4919d48834f9SJiri Pirko if (err) { 49204d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 49214d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 49226a064674SAriel Levkovich goto err_reg; 49234d8fcf21SAlaa Hleihel } 49244d8fcf21SAlaa Hleihel 49256a064674SAriel Levkovich return 0; 49266a064674SAriel Levkovich 49276a064674SAriel Levkovich err_reg: 4928aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4929f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 49306a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 49316a064674SAriel Levkovich err_chains: 4932c9355682SChris Mi mapping_destroy(chains_mapping); 4933c9355682SChris Mi err_mapping: 49346a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 49354d8fcf21SAlaa Hleihel return err; 4936e8f887acSAmir Vadai } 4937e8f887acSAmir Vadai 4938e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4939e8f887acSAmir Vadai { 4940e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4941655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4942e8f887acSAmir Vadai 4943961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4944e8f887acSAmir Vadai kfree(flow); 4945e8f887acSAmir Vadai } 4946e8f887acSAmir Vadai 4947655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4948e8f887acSAmir Vadai { 4949acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4950e8f887acSAmir Vadai 49514d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4952d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4953d48834f9SJiri Pirko &tc->netdevice_nb, 4954d48834f9SJiri Pirko &tc->netdevice_nn); 49554d8fcf21SAlaa Hleihel 4956b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4957b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4958b32accdaSVlad Buslov 49596a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4960e8f887acSAmir Vadai 4961acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 49626a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4963acff797cSMaor Gottlieb tc->t = NULL; 4964e8f887acSAmir Vadai } 4965b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 49666a064674SAriel Levkovich 4967aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4968f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 4969c9355682SChris Mi mapping_destroy(tc->mapping); 49706a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4971e8f887acSAmir Vadai } 4972655dc3d2SOr Gerlitz 4973655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4974655dc3d2SOr Gerlitz { 4975d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 49760a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4977aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 49780a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4979aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4980aedd133dSAriel Levkovich struct mlx5e_priv *priv; 49812198b932SRoi Dayan u64 mapping_id; 4982aedd133dSAriel Levkovich int err = 0; 49830a7fcb78SPaul Blakey 49840a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4985aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4986aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4987aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 49880a7fcb78SPaul Blakey 4989f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 4990f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 4991aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4992aedd133dSAriel Levkovich esw_chains(esw), 4993aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4994f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 4995f0da4daaSChris Mi uplink_priv->post_act); 49964c3844d9SPaul Blakey 49972a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 49982741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 49992a9ab10aSChris Mi #endif 50002a9ab10aSChris Mi 50012198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 50022198b932SRoi Dayan 50032198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 50042198b932SRoi Dayan sizeof(struct tunnel_match_key), 50050a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 50062198b932SRoi Dayan 50070a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50080a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50090a7fcb78SPaul Blakey goto err_tun_mapping; 50100a7fcb78SPaul Blakey } 50110a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 50120a7fcb78SPaul Blakey 50138e404fefSVlad Buslov /* 0xFFF is reserved for stack devices slow path table mark */ 50142198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 50152198b932SRoi Dayan sz_enc_opts, ENC_OPTS_BITS_MASK - 1, true); 50160a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50170a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50180a7fcb78SPaul Blakey goto err_enc_opts_mapping; 50190a7fcb78SPaul Blakey } 50200a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 50210a7fcb78SPaul Blakey 50220a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 50230a7fcb78SPaul Blakey if (err) 50240a7fcb78SPaul Blakey goto err_ht_init; 50250a7fcb78SPaul Blakey 50269ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 50279ba33339SRoi Dayan 50288914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 50292b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 50302b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 50318914add2SVlad Buslov goto err_register_fib_notifier; 50322b6c3c1eSWei Yongjun } 50338914add2SVlad Buslov 50342b6c3c1eSWei Yongjun return 0; 50350a7fcb78SPaul Blakey 50368914add2SVlad Buslov err_register_fib_notifier: 50378914add2SVlad Buslov rhashtable_destroy(tc_ht); 50380a7fcb78SPaul Blakey err_ht_init: 50390a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50400a7fcb78SPaul Blakey err_enc_opts_mapping: 50410a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50420a7fcb78SPaul Blakey err_tun_mapping: 50432a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 50440027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 50452a9ab10aSChris Mi #endif 5046aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 50470a7fcb78SPaul Blakey netdev_warn(priv->netdev, 50480a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5049f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 50500a7fcb78SPaul Blakey return err; 5051655dc3d2SOr Gerlitz } 5052655dc3d2SOr Gerlitz 5053655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5054655dc3d2SOr Gerlitz { 50550a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 50560a7fcb78SPaul Blakey 50570a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5058aedd133dSAriel Levkovich 50598914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 50608914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 50618914add2SVlad Buslov 50620a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50630a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50644c3844d9SPaul Blakey 50652a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 50660027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 50672a9ab10aSChris Mi #endif 5068aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5069f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5070655dc3d2SOr Gerlitz } 507101252a27SOr Gerlitz 5072226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 507301252a27SOr Gerlitz { 5074d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 507501252a27SOr Gerlitz 507601252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 507701252a27SOr Gerlitz } 507804de7ddaSRoi Dayan 507904de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 508004de7ddaSRoi Dayan { 508104de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 508204de7ddaSRoi Dayan 508304de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 508404de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 508504de7ddaSRoi Dayan } 5086b4a23329SRoi Dayan 5087b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5088b4a23329SRoi Dayan { 5089b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5090b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5091b4a23329SRoi Dayan reoffload_flows_work); 5092b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5093b4a23329SRoi Dayan 5094ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5095b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5096b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5097ad86755bSVlad Buslov unready_flow_del(flow); 5098b4a23329SRoi Dayan } 5099ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5100b4a23329SRoi Dayan } 5101e2394a61SVlad Buslov 5102e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5103e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5104e2394a61SVlad Buslov unsigned long flags) 5105e2394a61SVlad Buslov { 5106e2394a61SVlad Buslov switch (cls_flower->command) { 5107e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5108e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5109e2394a61SVlad Buslov flags); 5110e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5111e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5112e2394a61SVlad Buslov flags); 5113e2394a61SVlad Buslov case FLOW_CLS_STATS: 5114e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5115e2394a61SVlad Buslov flags); 5116e2394a61SVlad Buslov default: 5117e2394a61SVlad Buslov return -EOPNOTSUPP; 5118e2394a61SVlad Buslov } 5119e2394a61SVlad Buslov } 5120e2394a61SVlad Buslov 5121e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5122e2394a61SVlad Buslov void *cb_priv) 5123e2394a61SVlad Buslov { 5124ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5125e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5126e2394a61SVlad Buslov 51272ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 51282ff349c5SRoi Dayan return -EOPNOTSUPP; 51292ff349c5SRoi Dayan 5130ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5131ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5132ec9457a6SRoi Dayan else 5133ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5134ec9457a6SRoi Dayan 5135e2394a61SVlad Buslov switch (type) { 5136e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5137e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5138e2394a61SVlad Buslov default: 5139e2394a61SVlad Buslov return -EOPNOTSUPP; 5140e2394a61SVlad Buslov } 5141e2394a61SVlad Buslov } 5142c7569097SAriel Levkovich 5143c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5144c7569097SAriel Levkovich struct sk_buff *skb) 5145c7569097SAriel Levkovich { 5146c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5147aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5148c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5149aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5150a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5151c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5152c7569097SAriel Levkovich int err; 5153c7569097SAriel Levkovich 5154c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5155c7569097SAriel Levkovich 5156c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5157c7569097SAriel Levkovich 5158c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5159c7569097SAriel Levkovich if (err) { 5160c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5161c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5162c7569097SAriel Levkovich chain_tag, err); 5163c7569097SAriel Levkovich return false; 5164c7569097SAriel Levkovich } 5165c7569097SAriel Levkovich 5166a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5167a91d98a0SChris Mi chain = mapped_obj.chain; 51689453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5169c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5170c7569097SAriel Levkovich return false; 5171c7569097SAriel Levkovich 5172c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5173aedd133dSAriel Levkovich 5174ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 517548d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5176aedd133dSAriel Levkovich 5177aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5178aedd133dSAriel Levkovich zone_restore_id)) 5179aedd133dSAriel Levkovich return false; 5180a91d98a0SChris Mi } else { 5181a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5182a91d98a0SChris Mi return false; 5183c7569097SAriel Levkovich } 5184c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5185c7569097SAriel Levkovich 5186c7569097SAriel Levkovich return true; 5187c7569097SAriel Levkovich } 5188