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" 501d447a39SSaeed Mahameed #include "en_rep.h" 51768c3667SVlad Buslov #include "en/rep/tc.h" 52e2394a61SVlad Buslov #include "en/rep/neigh.h" 53232c0013SHadar Hen Zion #include "en_tc.h" 5403a9d11eSOr Gerlitz #include "eswitch.h" 553f6d08d1SOr Gerlitz #include "fs_core.h" 562c81bfd5SHuy Nguyen #include "en/port.h" 57101f4de9SOz Shlomo #include "en/tc_tun.h" 580a7fcb78SPaul Blakey #include "en/mapping.h" 594c3844d9SPaul Blakey #include "en/tc_ct.h" 60b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 610d9f9647SVlad Buslov #include "en/tc_priv.h" 620d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 63*0027d70cSChris Mi #include "en/tc/sample.h" 6404de7ddaSRoi Dayan #include "lib/devcom.h" 659272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 66ae430332SAriel Levkovich #include "lib/fs_chains.h" 677a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 681fe3e316SParav Pandit #include <asm/div64.h> 69e8f887acSAmir Vadai 706a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 71d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 7217091853SOr Gerlitz 73acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 746a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 75e8f887acSAmir Vadai 768f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 778f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 788f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 798f1e0b97SPaul Blakey .moffset = 0, 80ed2fe7baSPaul Blakey .mlen = 16, 818f1e0b97SPaul Blakey }, 8210742efcSVlad Buslov [VPORT_TO_REG] = { 8310742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 84ed2fe7baSPaul Blakey .moffset = 16, 85ed2fe7baSPaul Blakey .mlen = 16, 8610742efcSVlad Buslov }, 870a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 880a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 89ed2fe7baSPaul Blakey .moffset = 8, 90ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 910a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 920a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 930a7fcb78SPaul Blakey }, 944c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 95a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 964c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 974c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 984c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 994c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 10039c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 101c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 102c7569097SAriel Levkovich * jump between steering domains. 103c7569097SAriel Levkovich */ 104c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 105c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 106c7569097SAriel Levkovich .moffset = 0, 107ed2fe7baSPaul Blakey .mlen = 16, 108c7569097SAriel Levkovich }, 109aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1108f1e0b97SPaul Blakey }; 1118f1e0b97SPaul Blakey 1129ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1139ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1149ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1159ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1169ba33339SRoi Dayan * it's different than the ht->mutex here. 1179ba33339SRoi Dayan */ 1189ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1199ba33339SRoi Dayan 1200a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1210a7fcb78SPaul Blakey 1220a7fcb78SPaul Blakey void 1230a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1240a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 125ed2fe7baSPaul Blakey u32 val, 1260a7fcb78SPaul Blakey u32 mask) 1270a7fcb78SPaul Blakey { 128ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1290a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 130ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1310a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 132ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 133ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 134ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1350a7fcb78SPaul Blakey 1360a7fcb78SPaul Blakey fmask = headers_c + soffset; 1370a7fcb78SPaul Blakey fval = headers_v + soffset; 1380a7fcb78SPaul Blakey 139ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 140ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1410a7fcb78SPaul Blakey 142ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 143ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 144ed2fe7baSPaul Blakey 145ed2fe7baSPaul Blakey //move to correct offset 146ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 147ed2fe7baSPaul Blakey mask <<= moffset; 148ed2fe7baSPaul Blakey val <<= moffset; 149ed2fe7baSPaul Blakey max_mask <<= moffset; 150ed2fe7baSPaul Blakey 151ed2fe7baSPaul Blakey //zero val and mask 152ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 153ed2fe7baSPaul Blakey curr_val &= ~max_mask; 154ed2fe7baSPaul Blakey 155ed2fe7baSPaul Blakey //add current to mask 156ed2fe7baSPaul Blakey curr_mask |= mask; 157ed2fe7baSPaul Blakey curr_val |= val; 158ed2fe7baSPaul Blakey 159ed2fe7baSPaul Blakey //back to be32 and write 160ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 161ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 162ed2fe7baSPaul Blakey 163ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 164ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1650a7fcb78SPaul Blakey 1660a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1670a7fcb78SPaul Blakey } 1680a7fcb78SPaul Blakey 1697e36feebSPaul Blakey void 1707e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1717e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 172ed2fe7baSPaul Blakey u32 *val, 1737e36feebSPaul Blakey u32 *mask) 1747e36feebSPaul Blakey { 175ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1767e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 177ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1787e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 179ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 180ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 181ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1827e36feebSPaul Blakey 1837e36feebSPaul Blakey fmask = headers_c + soffset; 1847e36feebSPaul Blakey fval = headers_v + soffset; 1857e36feebSPaul Blakey 186ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 187ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1887e36feebSPaul Blakey 189ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 190ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 191ed2fe7baSPaul Blakey 192ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 193ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1947e36feebSPaul Blakey } 1957e36feebSPaul Blakey 1960a7fcb78SPaul Blakey int 197c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1980a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 199aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2000a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2010a7fcb78SPaul Blakey u32 data) 2020a7fcb78SPaul Blakey { 2030a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2040a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2050a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2060a7fcb78SPaul Blakey char *modact; 2070a7fcb78SPaul Blakey int err; 2080a7fcb78SPaul Blakey 209aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 2100a7fcb78SPaul Blakey if (err) 2110a7fcb78SPaul Blakey return err; 2120a7fcb78SPaul Blakey 2130a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2140a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2150a7fcb78SPaul Blakey 2160a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 217ed2fe7baSPaul Blakey if (mlen == 32) 2180a7fcb78SPaul Blakey mlen = 0; 2190a7fcb78SPaul Blakey 2200a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2210a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 222ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 223ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2240a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 225c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2260a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2270a7fcb78SPaul Blakey 228c7b9038dSVlad Buslov return err; 2290a7fcb78SPaul Blakey } 2300a7fcb78SPaul Blakey 231aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 232aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 233aedd133dSAriel Levkovich { 234aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 235aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 236aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 237aedd133dSAriel Levkovich 238e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 239aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 240aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 241aedd133dSAriel Levkovich 242aedd133dSAriel Levkovich return uplink_priv->ct_priv; 243aedd133dSAriel Levkovich } 244aedd133dSAriel Levkovich 245aedd133dSAriel Levkovich return priv->fs.tc.ct; 246aedd133dSAriel Levkovich } 247aedd133dSAriel Levkovich 248f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 249*0027d70cSChris Mi static struct mlx5e_tc_psample * 250f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 251f94d6389SChris Mi { 252f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 253f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 254f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 255f94d6389SChris Mi 256f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 257f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 258f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 259f94d6389SChris Mi 260*0027d70cSChris Mi return uplink_priv->tc_psample; 261f94d6389SChris Mi } 262f94d6389SChris Mi 263f94d6389SChris Mi return NULL; 264f94d6389SChris Mi } 265f94d6389SChris Mi #endif 266f94d6389SChris Mi 267aedd133dSAriel Levkovich struct mlx5_flow_handle * 268aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 269aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 270aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 271aedd133dSAriel Levkovich { 272aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 273aedd133dSAriel Levkovich 274e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 275aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 276aedd133dSAriel Levkovich 277aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 278aedd133dSAriel Levkovich } 279aedd133dSAriel Levkovich 280aedd133dSAriel Levkovich void 281aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 282aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 283aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 284aedd133dSAriel Levkovich { 285aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 286aedd133dSAriel Levkovich 287e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 288aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 289aedd133dSAriel Levkovich 290aedd133dSAriel Levkovich return; 291aedd133dSAriel Levkovich } 292aedd133dSAriel Levkovich 293aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 294aedd133dSAriel Levkovich } 295aedd133dSAriel Levkovich 296c7b9038dSVlad Buslov int 297c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 298c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 299c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 300c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 301c7b9038dSVlad Buslov u32 data) 302c7b9038dSVlad Buslov { 303c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 304c7b9038dSVlad Buslov 305c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 306c7b9038dSVlad Buslov } 307c7b9038dSVlad Buslov 308c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 309c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 310c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 311c7b9038dSVlad Buslov int act_id, u32 data) 312c7b9038dSVlad Buslov { 313c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 314c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 315c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 316c7b9038dSVlad Buslov char *modact; 317c7b9038dSVlad Buslov 318c7b9038dSVlad Buslov modact = mod_hdr_acts->actions + (act_id * MLX5_MH_ACT_SZ); 319c7b9038dSVlad Buslov 320c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 321ed2fe7baSPaul Blakey if (mlen == 32) 322c7b9038dSVlad Buslov mlen = 0; 323c7b9038dSVlad Buslov 324c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 325c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 326ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 327ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 328c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 329c7b9038dSVlad Buslov } 330c7b9038dSVlad Buslov 33177ab67b7SOr Gerlitz struct mlx5e_hairpin { 33277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 33377ab67b7SOr Gerlitz 33477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3353f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 33677ab67b7SOr Gerlitz u32 tdn; 337a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3383f6d08d1SOr Gerlitz 3393f6d08d1SOr Gerlitz int num_channels; 3403f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 341a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 342f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 34377ab67b7SOr Gerlitz }; 34477ab67b7SOr Gerlitz 3455c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3465c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3475c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3485c65c564SOr Gerlitz 34973edca73SVlad Buslov /* protects flows list */ 35073edca73SVlad Buslov spinlock_t flows_lock; 3515c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3525c65c564SOr Gerlitz struct list_head flows; 353db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 354db76ca24SVlad Buslov * function traversed them. 355db76ca24SVlad Buslov */ 356db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3575c65c564SOr Gerlitz 358d8822868SOr Gerlitz u16 peer_vhca_id; 359106be53bSOr Gerlitz u8 prio; 3605c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 361e4f9abbdSVlad Buslov refcount_t refcnt; 362db76ca24SVlad Buslov struct completion res_ready; 3635c65c564SOr Gerlitz }; 3645c65c564SOr Gerlitz 3655a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3665a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3675a7e5bcbSVlad Buslov 3680d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3695a7e5bcbSVlad Buslov { 3705a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3715a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3725a7e5bcbSVlad Buslov return flow; 3735a7e5bcbSVlad Buslov } 3745a7e5bcbSVlad Buslov 3750d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3765a7e5bcbSVlad Buslov { 3775a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3785a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 379c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3805a7e5bcbSVlad Buslov } 3815a7e5bcbSVlad Buslov } 3825a7e5bcbSVlad Buslov 383aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 384226f2ca3SVlad Buslov { 385226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 386226f2ca3SVlad Buslov } 387226f2ca3SVlad Buslov 38884179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 38984179981SPaul Blakey { 39084179981SPaul Blakey return flow_flag_test(flow, FT); 39184179981SPaul Blakey } 39284179981SPaul Blakey 3930d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 394226f2ca3SVlad Buslov { 395226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 396226f2ca3SVlad Buslov } 397226f2ca3SVlad Buslov 398d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 399d2faae25SVlad Buslov { 400d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 401d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 402d2faae25SVlad Buslov } 403b2fdf3d0SPaul Blakey 404b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 405b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 406b2fdf3d0SPaul Blakey { 407b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 408b2fdf3d0SPaul Blakey 409b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 410b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 411b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 412b2fdf3d0SPaul Blakey } 413b2fdf3d0SPaul Blakey 41411c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 41511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 41611c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 41711c9c548SOr Gerlitz { 418b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 419b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 42011c9c548SOr Gerlitz 421b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 422b2fdf3d0SPaul Blakey get_flow_name_space(flow), 423b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 424b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 425b2fdf3d0SPaul Blakey return PTR_ERR(mh); 42611c9c548SOr Gerlitz 427b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 428c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 429b2fdf3d0SPaul Blakey flow->mh = mh; 43011c9c548SOr Gerlitz 43111c9c548SOr Gerlitz return 0; 43211c9c548SOr Gerlitz } 43311c9c548SOr Gerlitz 43411c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 43511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 43611c9c548SOr Gerlitz { 4375a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 438dd58edc3SVlad Buslov if (!flow->mh) 4395a7e5bcbSVlad Buslov return; 4405a7e5bcbSVlad Buslov 441b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 442b2fdf3d0SPaul Blakey flow->mh); 443dd58edc3SVlad Buslov flow->mh = NULL; 44411c9c548SOr Gerlitz } 44511c9c548SOr Gerlitz 44677ab67b7SOr Gerlitz static 44777ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 44877ab67b7SOr Gerlitz { 449b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 45077ab67b7SOr Gerlitz struct net_device *netdev; 45177ab67b7SOr Gerlitz struct mlx5e_priv *priv; 45277ab67b7SOr Gerlitz 453b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 454b1c2f631SDima Chumak if (!netdev) 455b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 456b1c2f631SDima Chumak 45777ab67b7SOr Gerlitz priv = netdev_priv(netdev); 458b1c2f631SDima Chumak mdev = priv->mdev; 459b1c2f631SDima Chumak dev_put(netdev); 460b1c2f631SDima Chumak 461b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 462b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 463b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 464b1c2f631SDima Chumak * 465b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 466b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 467b1c2f631SDima Chumak * removed. 468b1c2f631SDima Chumak * 469b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 470b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 471b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 472b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 473b1c2f631SDima Chumak */ 474b1c2f631SDima Chumak return mdev; 47577ab67b7SOr Gerlitz } 47677ab67b7SOr Gerlitz 47777ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 47877ab67b7SOr Gerlitz { 479a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 48077ab67b7SOr Gerlitz int err; 48177ab67b7SOr Gerlitz 482a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 483a6696735SMaxim Mikityanskiy if (!builder) 484a6696735SMaxim Mikityanskiy return -ENOMEM; 485a6696735SMaxim Mikityanskiy 48677ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 48777ab67b7SOr Gerlitz if (err) 488a6696735SMaxim Mikityanskiy goto out; 48977ab67b7SOr Gerlitz 490a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 491a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 49277ab67b7SOr Gerlitz if (err) 49377ab67b7SOr Gerlitz goto create_tir_err; 49477ab67b7SOr Gerlitz 495a6696735SMaxim Mikityanskiy out: 496a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 497a6696735SMaxim Mikityanskiy return err; 49877ab67b7SOr Gerlitz 49977ab67b7SOr Gerlitz create_tir_err: 50077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 501a6696735SMaxim Mikityanskiy 502a6696735SMaxim Mikityanskiy goto out; 50377ab67b7SOr Gerlitz } 50477ab67b7SOr Gerlitz 50577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 50677ab67b7SOr Gerlitz { 507a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 50877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 50977ab67b7SOr Gerlitz } 51077ab67b7SOr Gerlitz 5113f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5123f6d08d1SOr Gerlitz { 5133f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5143f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 51506e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 51606e9f13aSMaxim Mikityanskiy int err; 5173f6d08d1SOr Gerlitz 51806e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 51906e9f13aSMaxim Mikityanskiy if (!indir) 5203f6d08d1SOr Gerlitz return -ENOMEM; 5213f6d08d1SOr Gerlitz 52243befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 52306e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 52443ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 52543ec0f41SMaxim Mikityanskiy indir); 5263f6d08d1SOr Gerlitz 52706e9f13aSMaxim Mikityanskiy kvfree(indir); 5283f6d08d1SOr Gerlitz return err; 5293f6d08d1SOr Gerlitz } 5303f6d08d1SOr Gerlitz 5313f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5323f6d08d1SOr Gerlitz { 5333f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 53443ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 535d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 536a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 537a6696735SMaxim Mikityanskiy int err = 0; 538a6696735SMaxim Mikityanskiy 539a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 540a6696735SMaxim Mikityanskiy if (!builder) 541a6696735SMaxim Mikityanskiy return -ENOMEM; 542a6696735SMaxim Mikityanskiy 54343ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5443f6d08d1SOr Gerlitz 5453f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 54665d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 547d930ac79SAya Levin 54865d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5493f6d08d1SOr Gerlitz 550a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 551a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 552a6696735SMaxim Mikityanskiy false); 55343ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 554bbeb53b8SAya Levin 555a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5563f6d08d1SOr Gerlitz if (err) { 5573f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5583f6d08d1SOr Gerlitz goto err_destroy_tirs; 5593f6d08d1SOr Gerlitz } 560a6696735SMaxim Mikityanskiy 561a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5623f6d08d1SOr Gerlitz } 563a6696735SMaxim Mikityanskiy 564a6696735SMaxim Mikityanskiy out: 565a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 566a6696735SMaxim Mikityanskiy return err; 5673f6d08d1SOr Gerlitz 5683f6d08d1SOr Gerlitz err_destroy_tirs: 569a6696735SMaxim Mikityanskiy max_tt = tt; 570a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 571a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 572a6696735SMaxim Mikityanskiy 573a6696735SMaxim Mikityanskiy goto out; 5743f6d08d1SOr Gerlitz } 5753f6d08d1SOr Gerlitz 5763f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5773f6d08d1SOr Gerlitz { 5783f6d08d1SOr Gerlitz int tt; 5793f6d08d1SOr Gerlitz 5803f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 581a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 5823f6d08d1SOr Gerlitz } 5833f6d08d1SOr Gerlitz 5843f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5853f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5863f6d08d1SOr Gerlitz { 5873f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5883f6d08d1SOr Gerlitz int tt; 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5913f6d08d1SOr Gerlitz 592bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 593bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 594bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 595bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 596bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 597bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 598bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 599bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 600bc29764eSMaor Gottlieb } 6013f6d08d1SOr Gerlitz 6023f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6033f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6043f6d08d1SOr Gerlitz } 6053f6d08d1SOr Gerlitz 6063f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6073f6d08d1SOr Gerlitz { 6083f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6093f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6103f6d08d1SOr Gerlitz int err; 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6133f6d08d1SOr Gerlitz if (err) 6143f6d08d1SOr Gerlitz return err; 6153f6d08d1SOr Gerlitz 6163f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6173f6d08d1SOr Gerlitz if (err) 6183f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 621f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 622f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 623f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6243f6d08d1SOr Gerlitz goto err_create_ttc_table; 625f4b45940SMaor Gottlieb } 6263f6d08d1SOr Gerlitz 6273f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 628f4b45940SMaor Gottlieb hp->num_channels, 629f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6303f6d08d1SOr Gerlitz 6313f6d08d1SOr Gerlitz return 0; 6323f6d08d1SOr Gerlitz 6333f6d08d1SOr Gerlitz err_create_ttc_table: 6343f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6353f6d08d1SOr Gerlitz err_create_indirect_tirs: 63606e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6373f6d08d1SOr Gerlitz 6383f6d08d1SOr Gerlitz return err; 6393f6d08d1SOr Gerlitz } 6403f6d08d1SOr Gerlitz 6413f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6423f6d08d1SOr Gerlitz { 643f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6443f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 64506e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6463f6d08d1SOr Gerlitz } 6473f6d08d1SOr Gerlitz 64877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 64977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 65077ab67b7SOr Gerlitz int peer_ifindex) 65177ab67b7SOr Gerlitz { 65277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 65377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 65477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 65577ab67b7SOr Gerlitz int err; 65677ab67b7SOr Gerlitz 65777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 65877ab67b7SOr Gerlitz if (!hp) 65977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 66077ab67b7SOr Gerlitz 66177ab67b7SOr Gerlitz func_mdev = priv->mdev; 66277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 663b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 664b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 665b1c2f631SDima Chumak goto create_pair_err; 666b1c2f631SDima Chumak } 66777ab67b7SOr Gerlitz 66877ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 66977ab67b7SOr Gerlitz if (IS_ERR(pair)) { 67077ab67b7SOr Gerlitz err = PTR_ERR(pair); 67177ab67b7SOr Gerlitz goto create_pair_err; 67277ab67b7SOr Gerlitz } 67377ab67b7SOr Gerlitz hp->pair = pair; 67477ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6753f6d08d1SOr Gerlitz hp->func_priv = priv; 6763f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 67777ab67b7SOr Gerlitz 67877ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 67977ab67b7SOr Gerlitz if (err) 68077ab67b7SOr Gerlitz goto create_transport_err; 68177ab67b7SOr Gerlitz 6823f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6833f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6843f6d08d1SOr Gerlitz if (err) 6853f6d08d1SOr Gerlitz goto rss_init_err; 6863f6d08d1SOr Gerlitz } 6873f6d08d1SOr Gerlitz 68877ab67b7SOr Gerlitz return hp; 68977ab67b7SOr Gerlitz 6903f6d08d1SOr Gerlitz rss_init_err: 6913f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 69277ab67b7SOr Gerlitz create_transport_err: 69377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 69477ab67b7SOr Gerlitz create_pair_err: 69577ab67b7SOr Gerlitz kfree(hp); 69677ab67b7SOr Gerlitz return ERR_PTR(err); 69777ab67b7SOr Gerlitz } 69877ab67b7SOr Gerlitz 69977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 70077ab67b7SOr Gerlitz { 7013f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7023f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 70377ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70577ab67b7SOr Gerlitz kvfree(hp); 70677ab67b7SOr Gerlitz } 70777ab67b7SOr Gerlitz 708106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 709106be53bSOr Gerlitz { 710106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 711106be53bSOr Gerlitz } 712106be53bSOr Gerlitz 7135c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 714106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7155c65c564SOr Gerlitz { 7165c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 717106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7185c65c564SOr Gerlitz 7195c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 720106be53bSOr Gerlitz hairpin_hlist, hash_key) { 721e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 722e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7235c65c564SOr Gerlitz return hpe; 7245c65c564SOr Gerlitz } 725e4f9abbdSVlad Buslov } 7265c65c564SOr Gerlitz 7275c65c564SOr Gerlitz return NULL; 7285c65c564SOr Gerlitz } 7295c65c564SOr Gerlitz 730e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 731e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 732e4f9abbdSVlad Buslov { 733e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 734b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 735e4f9abbdSVlad Buslov return; 736b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 737b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 738e4f9abbdSVlad Buslov 739db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 740e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 741e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 742e4f9abbdSVlad Buslov 743e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 744db76ca24SVlad Buslov } 745db76ca24SVlad Buslov 746db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 747e4f9abbdSVlad Buslov kfree(hpe); 748e4f9abbdSVlad Buslov } 749e4f9abbdSVlad Buslov 750106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 751106be53bSOr Gerlitz 752106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 753e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 754e98bedf5SEli Britstein struct netlink_ext_ack *extack) 755106be53bSOr Gerlitz { 756106be53bSOr Gerlitz void *headers_c, *headers_v; 757106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 758106be53bSOr Gerlitz bool vlan_present; 759106be53bSOr Gerlitz 760106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 761106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 762e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 763e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 764106be53bSOr Gerlitz return -EOPNOTSUPP; 765106be53bSOr Gerlitz } 766106be53bSOr Gerlitz #endif 767106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 768106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 769106be53bSOr Gerlitz 770106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 771106be53bSOr Gerlitz if (vlan_present) { 772106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 773106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 774106be53bSOr Gerlitz } 775106be53bSOr Gerlitz 776106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 777106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 778106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 779e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 780e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 781106be53bSOr Gerlitz return -EOPNOTSUPP; 782106be53bSOr Gerlitz } 783106be53bSOr Gerlitz 784106be53bSOr Gerlitz *match_prio = prio_val; 785106be53bSOr Gerlitz return 0; 786106be53bSOr Gerlitz } 787106be53bSOr Gerlitz 7885c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7895c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 790e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 791e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7925c65c564SOr Gerlitz { 79398b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7945c65c564SOr Gerlitz struct mlx5_hairpin_params params; 795d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7965c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7975c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7983f6d08d1SOr Gerlitz u64 link_speed64; 7993f6d08d1SOr Gerlitz u32 link_speed; 800106be53bSOr Gerlitz u8 match_prio; 801d8822868SOr Gerlitz u16 peer_id; 8025c65c564SOr Gerlitz int err; 8035c65c564SOr Gerlitz 804d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 805b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 806b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 807b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 808b1c2f631SDima Chumak } 809b1c2f631SDima Chumak 810d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 811e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8125c65c564SOr Gerlitz return -EOPNOTSUPP; 8135c65c564SOr Gerlitz } 8145c65c564SOr Gerlitz 815d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 816e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 817e98bedf5SEli Britstein extack); 818106be53bSOr Gerlitz if (err) 819106be53bSOr Gerlitz return err; 820b32accdaSVlad Buslov 821b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 822106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 823db76ca24SVlad Buslov if (hpe) { 824db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 825db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 826db76ca24SVlad Buslov 827db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 828db76ca24SVlad Buslov err = -EREMOTEIO; 829db76ca24SVlad Buslov goto out_err; 830db76ca24SVlad Buslov } 8315c65c564SOr Gerlitz goto attach_flow; 832db76ca24SVlad Buslov } 8335c65c564SOr Gerlitz 8345c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 835b32accdaSVlad Buslov if (!hpe) { 836db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 837db76ca24SVlad Buslov return -ENOMEM; 838b32accdaSVlad Buslov } 8395c65c564SOr Gerlitz 84073edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8415c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 842db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 843d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 844106be53bSOr Gerlitz hpe->prio = match_prio; 845e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 846db76ca24SVlad Buslov init_completion(&hpe->res_ready); 847db76ca24SVlad Buslov 848db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 849db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 850db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8515c65c564SOr Gerlitz 8526cdc686aSAriel Levkovich params.log_data_size = 16; 8535c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8545c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8555c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8565c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8575c65c564SOr Gerlitz 858eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 859eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 860eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 861eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 862eb9180f7SOr Gerlitz 863eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8643f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8652c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8663f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8673f6d08d1SOr Gerlitz link_speed64 = link_speed; 8683f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8693f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8703f6d08d1SOr Gerlitz 8715c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 872db76ca24SVlad Buslov hpe->hp = hp; 873db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8745c65c564SOr Gerlitz if (IS_ERR(hp)) { 8755c65c564SOr Gerlitz err = PTR_ERR(hp); 876db76ca24SVlad Buslov goto out_err; 8775c65c564SOr Gerlitz } 8785c65c564SOr Gerlitz 879eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 880a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 88127b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 882eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8835c65c564SOr Gerlitz 8845c65c564SOr Gerlitz attach_flow: 8853f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 886226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 887f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 888f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 8893f6d08d1SOr Gerlitz } else { 890a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 8913f6d08d1SOr Gerlitz } 892b32accdaSVlad Buslov 893e4f9abbdSVlad Buslov flow->hpe = hpe; 89473edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8955c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 89673edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8973f6d08d1SOr Gerlitz 8985c65c564SOr Gerlitz return 0; 8995c65c564SOr Gerlitz 900db76ca24SVlad Buslov out_err: 901db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9025c65c564SOr Gerlitz return err; 9035c65c564SOr Gerlitz } 9045c65c564SOr Gerlitz 9055c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9065c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9075c65c564SOr Gerlitz { 9085a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 909e4f9abbdSVlad Buslov if (!flow->hpe) 9105a7e5bcbSVlad Buslov return; 9115a7e5bcbSVlad Buslov 91273edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9135c65c564SOr Gerlitz list_del(&flow->hairpin); 91473edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 91573edca73SVlad Buslov 916e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 917e4f9abbdSVlad Buslov flow->hpe = NULL; 9185c65c564SOr Gerlitz } 9195c65c564SOr Gerlitz 92008247066SAriel Levkovich struct mlx5_flow_handle * 92108247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 92208247066SAriel Levkovich struct mlx5_flow_spec *spec, 923c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 924e8f887acSAmir Vadai { 92508247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 926c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 927c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9286a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9295c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 93066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9313bc4b7bfSOr Gerlitz .action = attr->action, 932bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 93366958ed9SHadar Hen Zion }; 93408247066SAriel Levkovich struct mlx5_flow_handle *rule; 935c7569097SAriel Levkovich struct mlx5_flow_table *ft; 93608247066SAriel Levkovich int dest_ix = 0; 937e8f887acSAmir Vadai 938bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 939c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 940bb0ee7dcSJianbo Liu 941aedd133dSAriel Levkovich if (attr->dest_ft) { 942aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 943aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 944aedd133dSAriel Levkovich dest_ix++; 945aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9463f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 947c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 94808247066SAriel Levkovich dest_ix++; 949c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9505c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 951c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9523f6d08d1SOr Gerlitz dest_ix++; 9533f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9545c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 955c7569097SAriel Levkovich if (attr->dest_chain) { 956c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 957c7569097SAriel Levkovich attr->dest_chain, 1, 958c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 959c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 960c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 961c7569097SAriel Levkovich } else { 9626783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 963c7569097SAriel Levkovich } 9645c65c564SOr Gerlitz dest_ix++; 9655c65c564SOr Gerlitz } 966aad7e08dSAmir Vadai 967c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 968c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 969c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 970c7569097SAriel Levkovich 97108247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9725c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 97308247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9745c65c564SOr Gerlitz dest_ix++; 975aad7e08dSAmir Vadai } 976aad7e08dSAmir Vadai 97708247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9782b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9792f4fe4caSOr Gerlitz 9806a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9816a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9826a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9836a064674SAriel Levkovich tc->t = 984c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 98521b9c144SOr Gerlitz 9866a064674SAriel Levkovich if (IS_ERR(tc->t)) { 9876a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 988e8f887acSAmir Vadai netdev_err(priv->netdev, 989e8f887acSAmir Vadai "Failed to create tc offload table\n"); 990c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 991c7569097SAriel Levkovich goto err_ft_get; 992e8f887acSAmir Vadai } 993e8f887acSAmir Vadai } 99408247066SAriel Levkovich mutex_unlock(&tc->t_lock); 995e8f887acSAmir Vadai 996aedd133dSAriel Levkovich if (attr->chain || attr->prio) 997c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 998c7569097SAriel Levkovich attr->chain, attr->prio, 999c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1000aedd133dSAriel Levkovich else 1001aedd133dSAriel Levkovich ft = attr->ft; 1002aedd133dSAriel Levkovich 1003c7569097SAriel Levkovich if (IS_ERR(ft)) { 1004c7569097SAriel Levkovich rule = ERR_CAST(ft); 1005c7569097SAriel Levkovich goto err_ft_get; 1006c7569097SAriel Levkovich } 1007c7569097SAriel Levkovich 1008c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 100908247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 101038aa51c1SOr Gerlitz 1011c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10125c65c564SOr Gerlitz &flow_act, dest, dest_ix); 101308247066SAriel Levkovich if (IS_ERR(rule)) 1014c7569097SAriel Levkovich goto err_rule; 101508247066SAriel Levkovich 101608247066SAriel Levkovich return rule; 1017c7569097SAriel Levkovich 1018c7569097SAriel Levkovich err_rule: 1019aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1020c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1021c7569097SAriel Levkovich attr->chain, attr->prio, 1022c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1023c7569097SAriel Levkovich err_ft_get: 1024c7569097SAriel Levkovich if (attr->dest_chain) 1025c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1026c7569097SAriel Levkovich attr->dest_chain, 1, 1027c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1028c7569097SAriel Levkovich 1029c7569097SAriel Levkovich return ERR_CAST(rule); 103008247066SAriel Levkovich } 103108247066SAriel Levkovich 103208247066SAriel Levkovich static int 103308247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 103408247066SAriel Levkovich struct mlx5e_tc_flow *flow, 103508247066SAriel Levkovich struct netlink_ext_ack *extack) 103608247066SAriel Levkovich { 1037c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1038c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 103908247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 104097a8d29aSRoi Dayan struct mlx5_fc *counter; 104108247066SAriel Levkovich int err; 104208247066SAriel Levkovich 1043c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1044c6cfe113SRoi Dayan 104508247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 104608247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 104708247066SAriel Levkovich if (err) 104808247066SAriel Levkovich return err; 104908247066SAriel Levkovich } 105008247066SAriel Levkovich 105108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 105208247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 105308247066SAriel Levkovich if (IS_ERR(counter)) 105408247066SAriel Levkovich return PTR_ERR(counter); 105508247066SAriel Levkovich 105608247066SAriel Levkovich attr->counter = counter; 105708247066SAriel Levkovich } 105808247066SAriel Levkovich 105908247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 106008247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 106108247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 106208247066SAriel Levkovich if (err) 106308247066SAriel Levkovich return err; 106408247066SAriel Levkovich } 106508247066SAriel Levkovich 1066aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1067aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1068aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1069aedd133dSAriel Levkovich else 107008247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 107108247066SAriel Levkovich attr); 1072e8f887acSAmir Vadai 1073a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1074e8f887acSAmir Vadai } 1075e8f887acSAmir Vadai 107608247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1077c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1078c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 107908247066SAriel Levkovich { 1080c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1081c7569097SAriel Levkovich 108208247066SAriel Levkovich mlx5_del_flow_rules(rule); 1083c7569097SAriel Levkovich 1084aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1085c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1086c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1087c7569097SAriel Levkovich 1088c7569097SAriel Levkovich if (attr->dest_chain) 1089c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1090c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 109108247066SAriel Levkovich } 109208247066SAriel Levkovich 1093d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1094d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1095d85cdccbSOr Gerlitz { 1096c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 10976a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1098d85cdccbSOr Gerlitz 1099c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1100c7569097SAriel Levkovich 1101aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1102aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1103aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1104aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1105aedd133dSAriel Levkovich 1106c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1107c7569097SAriel Levkovich * extra steering hops. 1108c7569097SAriel Levkovich */ 1109b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11106a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11116a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11126a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1113d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1114d85cdccbSOr Gerlitz } 1115b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11162f4fe4caSOr Gerlitz 1117aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1118aedd133dSAriel Levkovich 1119513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11203099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11215c65c564SOr Gerlitz 1122aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1123aedd133dSAriel Levkovich 1124226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11255c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1126c620b772SAriel Levkovich 1127c620b772SAriel Levkovich kfree(flow->attr); 1128d85cdccbSOr Gerlitz } 1129d85cdccbSOr Gerlitz 11300d9f9647SVlad Buslov struct mlx5_flow_handle * 11316d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11326d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11336d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1134c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11356d2a3ed0SOr Gerlitz { 11361ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11376d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11384c3844d9SPaul Blakey 113989e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 114089e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 114189e39467SPaul Blakey 11421ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11431ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11441ef3018fSPaul Blakey 114569e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1146aedd133dSAriel Levkovich flow, spec, attr, 11471ef3018fSPaul Blakey mod_hdr_acts); 1148f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 1149f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1150*0027d70cSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr); 1151f94d6389SChris Mi #endif 115269e2916eSPaul Blakey } else { 115369e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11541ef3018fSPaul Blakey } 11556d2a3ed0SOr Gerlitz 11566d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11576d2a3ed0SOr Gerlitz return rule; 11586d2a3ed0SOr Gerlitz 1159c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11606d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11616d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 116269e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 116369e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 116469e2916eSPaul Blakey else 11656d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11666d2a3ed0SOr Gerlitz return flow->rule[1]; 11676d2a3ed0SOr Gerlitz } 11686d2a3ed0SOr Gerlitz } 11696d2a3ed0SOr Gerlitz 11706d2a3ed0SOr Gerlitz return rule; 11716d2a3ed0SOr Gerlitz } 11726d2a3ed0SOr Gerlitz 11730d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11746d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1175c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11766d2a3ed0SOr Gerlitz { 1177226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11786d2a3ed0SOr Gerlitz 117989e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 118089e39467SPaul Blakey goto offload_rule_0; 118189e39467SPaul Blakey 11824c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1183aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11844c3844d9SPaul Blakey return; 11854c3844d9SPaul Blakey } 11864c3844d9SPaul Blakey 1187f94d6389SChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 1188f94d6389SChris Mi if (flow_flag_test(flow, SAMPLE)) { 1189*0027d70cSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 1190f94d6389SChris Mi return; 1191f94d6389SChris Mi } 1192f94d6389SChris Mi #endif 1193f94d6389SChris Mi 1194c620b772SAriel Levkovich if (attr->esw_attr->split_count) 11956d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11966d2a3ed0SOr Gerlitz 119789e39467SPaul Blakey offload_rule_0: 11986d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11996d2a3ed0SOr Gerlitz } 12006d2a3ed0SOr Gerlitz 12010d9f9647SVlad Buslov struct mlx5_flow_handle * 12025dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12035dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1204178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12055dbe906fSPaul Blakey { 1206c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12075dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12085dbe906fSPaul Blakey 1209c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1210c620b772SAriel Levkovich if (!slow_attr) 1211c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12125dbe906fSPaul Blakey 1213c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1214c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1215c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1216c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1217c620b772SAriel Levkovich 1218c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12195dbe906fSPaul Blakey if (!IS_ERR(rule)) 1220226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12215dbe906fSPaul Blakey 1222c620b772SAriel Levkovich kfree(slow_attr); 1223c620b772SAriel Levkovich 12245dbe906fSPaul Blakey return rule; 12255dbe906fSPaul Blakey } 12265dbe906fSPaul Blakey 12270d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1228178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12295dbe906fSPaul Blakey { 1230c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1231178f69b4SEli Cohen 1232c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12335efbe617SAriel Levkovich if (!slow_attr) { 12345efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12355efbe617SAriel Levkovich return; 12365efbe617SAriel Levkovich } 1237c620b772SAriel Levkovich 1238c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1239c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1240c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1241c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1242c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1243226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1244c620b772SAriel Levkovich kfree(slow_attr); 12455dbe906fSPaul Blakey } 12465dbe906fSPaul Blakey 1247ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1248ad86755bSVlad Buslov * function. 1249ad86755bSVlad Buslov */ 1250ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1251ad86755bSVlad Buslov struct list_head *unready_flows) 1252ad86755bSVlad Buslov { 1253ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1254ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1255ad86755bSVlad Buslov } 1256ad86755bSVlad Buslov 1257ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1258ad86755bSVlad Buslov * function. 1259ad86755bSVlad Buslov */ 1260ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1261ad86755bSVlad Buslov { 1262ad86755bSVlad Buslov list_del(&flow->unready); 1263ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1264ad86755bSVlad Buslov } 1265ad86755bSVlad Buslov 1266b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1267b4a23329SRoi Dayan { 1268b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1269b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1270b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1271b4a23329SRoi Dayan 1272b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1273b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1274b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1275b4a23329SRoi Dayan 1276ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1277ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1278ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1279b4a23329SRoi Dayan } 1280b4a23329SRoi Dayan 1281b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1282b4a23329SRoi Dayan { 1283ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1284ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1285ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1286ad86755bSVlad Buslov 1287ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1288ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1289ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1290ad86755bSVlad Buslov 1291ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1292ad86755bSVlad Buslov unready_flow_del(flow); 1293ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1294b4a23329SRoi Dayan } 1295b4a23329SRoi Dayan 129610742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 129710742efcSVlad Buslov 1298a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 129910742efcSVlad Buslov { 130010742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 130110742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 130210742efcSVlad Buslov 130310742efcSVlad Buslov out_priv = netdev_priv(out_dev); 130410742efcSVlad Buslov out_mdev = out_priv->mdev; 130510742efcSVlad Buslov route_priv = netdev_priv(route_dev); 130610742efcSVlad Buslov route_mdev = route_priv->mdev; 130710742efcSVlad Buslov 130810742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 130910742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 131010742efcSVlad Buslov return false; 131110742efcSVlad Buslov 131210742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 131310742efcSVlad Buslov } 131410742efcSVlad Buslov 1315a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 131610742efcSVlad Buslov { 131710742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 131810742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 131910742efcSVlad Buslov struct mlx5_eswitch *esw; 132010742efcSVlad Buslov u16 vhca_id; 132110742efcSVlad Buslov int err; 132210742efcSVlad Buslov 132310742efcSVlad Buslov out_priv = netdev_priv(out_dev); 132410742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 132510742efcSVlad Buslov route_priv = netdev_priv(route_dev); 132610742efcSVlad Buslov route_mdev = route_priv->mdev; 132710742efcSVlad Buslov 132810742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 132910742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 133010742efcSVlad Buslov return err; 133110742efcSVlad Buslov } 133210742efcSVlad Buslov 1333c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1334c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1335c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1336c7b9038dSVlad Buslov { 1337c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1338c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1339c7b9038dSVlad Buslov 1340c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1341c7b9038dSVlad Buslov get_flow_name_space(flow), 1342c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1343c7b9038dSVlad Buslov mod_hdr_acts->actions); 1344c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1345c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1346c7b9038dSVlad Buslov 1347c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1348c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1349c7b9038dSVlad Buslov 1350c7b9038dSVlad Buslov return 0; 1351c7b9038dSVlad Buslov } 1352c7b9038dSVlad Buslov 1353c83954abSRabie Loulou static int 135474491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1355e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1356e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1357adb4c123SOr Gerlitz { 1358adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1359c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1360c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13618914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1362fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1363c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13643c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13653c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 136697a8d29aSRoi Dayan struct mlx5_fc *counter; 136739ac237cSPaul Blakey u32 max_prio, max_chain; 13680ad060eeSRoi Dayan int err = 0; 1369f493f155SEli Britstein int out_index; 13708b32580dSOr Gerlitz 137184179981SPaul Blakey /* We check chain range only for tc flows. 137284179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 137384179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 137484179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 137584179981SPaul Blakey */ 1376ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 137784179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 137861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 137961644c3dSRoi Dayan "Requested chain is out of supported range"); 13808914add2SVlad Buslov err = -EOPNOTSUPP; 13818914add2SVlad Buslov goto err_out; 1382bf07aa73SPaul Blakey } 1383bf07aa73SPaul Blakey 1384ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1385bf07aa73SPaul Blakey if (attr->prio > max_prio) { 138661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 138761644c3dSRoi Dayan "Requested priority is out of supported range"); 13888914add2SVlad Buslov err = -EOPNOTSUPP; 13898914add2SVlad Buslov goto err_out; 1390bf07aa73SPaul Blakey } 1391bf07aa73SPaul Blakey 1392777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1393777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1394777bb800SVlad Buslov if (err) 13958914add2SVlad Buslov goto err_out; 1396777bb800SVlad Buslov } 1397777bb800SVlad Buslov 139814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 139914e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 140014e6b038SEli Cohen if (err) 14018914add2SVlad Buslov goto err_out; 140214e6b038SEli Cohen } 140314e6b038SEli Cohen 1404c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1405c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1406c620b772SAriel Levkovich 1407f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1408fe7738ebSDima Chumak struct net_device *out_dev; 14098c4dc42bSEli Britstein int mirred_ifindex; 14108c4dc42bSEli Britstein 1411c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1412f493f155SEli Britstein continue; 1413f493f155SEli Britstein 14147040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1415fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1416fe7738ebSDima Chumak if (!out_dev) { 1417fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1418fe7738ebSDima Chumak err = -ENODEV; 1419fe7738ebSDima Chumak goto err_out; 1420fe7738ebSDima Chumak } 1421733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14220ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1423fe7738ebSDima Chumak dev_put(out_dev); 14240ad060eeSRoi Dayan if (err) 14258914add2SVlad Buslov goto err_out; 14260ad060eeSRoi Dayan 14278914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 14288914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 14298914add2SVlad Buslov vf_tun = true; 14303c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 14313c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1432c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1433c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 14343c37745eSOr Gerlitz } 14353c37745eSOr Gerlitz 14367d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 14377d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 14387d1a3d08SVlad Buslov err = -EOPNOTSUPP; 14397d1a3d08SVlad Buslov goto err_out; 14407d1a3d08SVlad Buslov } 14417d1a3d08SVlad Buslov 14428b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1443c83954abSRabie Loulou if (err) 14448914add2SVlad Buslov goto err_out; 1445adb4c123SOr Gerlitz 1446d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1447d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 14488914add2SVlad Buslov if (vf_tun) { 14498914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 14508914add2SVlad Buslov if (err) 14518914add2SVlad Buslov goto err_out; 14528914add2SVlad Buslov } else { 14531a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1454c83954abSRabie Loulou if (err) 14558914add2SVlad Buslov goto err_out; 14568914add2SVlad Buslov } 1457d7e75a32SOr Gerlitz } 1458d7e75a32SOr Gerlitz 1459b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1460c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 14618914add2SVlad Buslov if (IS_ERR(counter)) { 14628914add2SVlad Buslov err = PTR_ERR(counter); 14638914add2SVlad Buslov goto err_out; 14648914add2SVlad Buslov } 1465b8aee822SMark Bloch 1466b8aee822SMark Bloch attr->counter = counter; 1467b8aee822SMark Bloch } 1468b8aee822SMark Bloch 14690ad060eeSRoi Dayan /* we get here if one of the following takes place: 14700ad060eeSRoi Dayan * (1) there's no error 14710ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 14723c37745eSOr Gerlitz */ 1473bc1d75faSRoi Dayan if (!encap_valid) 1474178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1475bc1d75faSRoi Dayan else 14766d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 14775dbe906fSPaul Blakey 14788914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 14798914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 14808914add2SVlad Buslov goto err_out; 14818914add2SVlad Buslov } 1482226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1483c83954abSRabie Loulou 14845dbe906fSPaul Blakey return 0; 14858914add2SVlad Buslov 14868914add2SVlad Buslov err_out: 14878914add2SVlad Buslov flow_flag_set(flow, FAILED); 14888914add2SVlad Buslov return err; 1489aa0cbbaeSOr Gerlitz } 1490d85cdccbSOr Gerlitz 14919272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 14929272e3dfSYevgeny Kliteynik { 1493c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 14949272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 14959272e3dfSYevgeny Kliteynik spec->match_value, 14969272e3dfSYevgeny Kliteynik misc_parameters_3); 14979272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 14989272e3dfSYevgeny Kliteynik headers_v, 14999272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15009272e3dfSYevgeny Kliteynik 15019272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15029272e3dfSYevgeny Kliteynik } 15039272e3dfSYevgeny Kliteynik 1504d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1505d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1506d85cdccbSOr Gerlitz { 1507d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1508c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1509777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15108914add2SVlad Buslov bool vf_tun = false; 1511f493f155SEli Britstein int out_index; 1512d85cdccbSOr Gerlitz 1513777bb800SVlad Buslov esw_attr = attr->esw_attr; 15140a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15150a7fcb78SPaul Blakey 151612a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1517b4a23329SRoi Dayan remove_unready_flow(flow); 1518ef06c9eeSRoi Dayan 1519226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1520226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1521178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15225dbe906fSPaul Blakey else 15235dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15245dbe906fSPaul Blakey } 1525d85cdccbSOr Gerlitz 15269272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 15279272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 15289272e3dfSYevgeny Kliteynik 1529513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1530d85cdccbSOr Gerlitz 1531777bb800SVlad Buslov if (flow->decap_route) 1532777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1533777bb800SVlad Buslov 1534777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 15358914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 15368914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 15378914add2SVlad Buslov vf_tun = true; 1538777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 15398c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 15402a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 15412a4b6526SVlad Buslov } 1542777bb800SVlad Buslov } 1543d7e75a32SOr Gerlitz 1544aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 15454c8594adSRoi Dayan 1546c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1547c7b9038dSVlad Buslov dealloc_mod_hdr_actions(&attr->parse_attr->mod_hdr_acts); 15488914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 15498914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 15508914add2SVlad Buslov else 15511a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1552c7b9038dSVlad Buslov } 15538914add2SVlad Buslov kvfree(attr->parse_attr); 15548914add2SVlad Buslov kvfree(attr->esw_attr->rx_tun_attr); 1555b8aee822SMark Bloch 1556b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1557777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 155814e6b038SEli Cohen 155914e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 156014e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1561c620b772SAriel Levkovich 156241c2fd94SChris Mi kfree(flow->attr->esw_attr->sample); 1563c620b772SAriel Levkovich kfree(flow->attr); 1564d85cdccbSOr Gerlitz } 1565d85cdccbSOr Gerlitz 15660d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1567b8aee822SMark Bloch { 1568c620b772SAriel Levkovich return flow->attr->counter; 1569b8aee822SMark Bloch } 1570b8aee822SMark Bloch 15716a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1572021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15736a06c2f7SVlad Buslov { 15746a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15756a06c2f7SVlad Buslov 15766a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15776a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15786a06c2f7SVlad Buslov } 15796a06c2f7SVlad Buslov 158004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 158104de7ddaSRoi Dayan { 158204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 158304de7ddaSRoi Dayan 1584226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1585226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 158604de7ddaSRoi Dayan return; 158704de7ddaSRoi Dayan 158804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 158904de7ddaSRoi Dayan list_del(&flow->peer); 159004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 159104de7ddaSRoi Dayan 1592226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 159304de7ddaSRoi Dayan 1594eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 159504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1596a23dae79SRoi Dayan kfree(flow->peer_flow); 1597eb252c3aSRoi Dayan } 1598eb252c3aSRoi Dayan 159904de7ddaSRoi Dayan flow->peer_flow = NULL; 160004de7ddaSRoi Dayan } 160104de7ddaSRoi Dayan 160204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 160304de7ddaSRoi Dayan { 160404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 160504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 160604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 160704de7ddaSRoi Dayan 160804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 160904de7ddaSRoi Dayan if (!peer_esw) 161004de7ddaSRoi Dayan return; 161104de7ddaSRoi Dayan 161204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 161304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 161404de7ddaSRoi Dayan } 161504de7ddaSRoi Dayan 1616e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1617961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1618e8f887acSAmir Vadai { 1619226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 162004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1621d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 162204de7ddaSRoi Dayan } else { 1623d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1624e8f887acSAmir Vadai } 162504de7ddaSRoi Dayan } 1626e8f887acSAmir Vadai 16270a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1628bbd00f7eSHadar Hen Zion { 1629f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16300a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 16310a7fcb78SPaul Blakey const struct flow_action_entry *act; 16320a7fcb78SPaul Blakey int i; 1633bbd00f7eSHadar Hen Zion 16340a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 16350a7fcb78SPaul Blakey switch (act->id) { 16360a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 16370a7fcb78SPaul Blakey return true; 16380a7fcb78SPaul Blakey default: 16390a7fcb78SPaul Blakey continue; 1640fe1587a7SDmytro Linkin } 16412e72eb43SOr Gerlitz } 1642bbd00f7eSHadar Hen Zion 16430a7fcb78SPaul Blakey return false; 16440a7fcb78SPaul Blakey } 1645bcef735cSOr Gerlitz 16460a7fcb78SPaul Blakey static int 16470a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 16480a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 16490a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 16500a7fcb78SPaul Blakey bool *dont_care) 16510a7fcb78SPaul Blakey { 16520a7fcb78SPaul Blakey struct geneve_opt *opt; 16530a7fcb78SPaul Blakey int off = 0; 1654bcef735cSOr Gerlitz 16550a7fcb78SPaul Blakey *dont_care = true; 1656bcef735cSOr Gerlitz 16570a7fcb78SPaul Blakey while (opts->len > off) { 16580a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1659e98bedf5SEli Britstein 16600a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 16610a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 16620a7fcb78SPaul Blakey *dont_care = false; 16630a7fcb78SPaul Blakey 1664c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1665d7a42ad0SRoi Dayan opt->type != U8_MAX) { 16660a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 16670a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 16680a7fcb78SPaul Blakey netdev_warn(priv->netdev, 16690a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1670e98bedf5SEli Britstein return -EOPNOTSUPP; 1671e98bedf5SEli Britstein } 1672bcef735cSOr Gerlitz } 1673bcef735cSOr Gerlitz 16740a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1675bbd00f7eSHadar Hen Zion } 1676bbd00f7eSHadar Hen Zion 1677bbd00f7eSHadar Hen Zion return 0; 1678bbd00f7eSHadar Hen Zion } 1679bbd00f7eSHadar Hen Zion 16800a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 16810a7fcb78SPaul Blakey ({ \ 16820a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 16830a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 16840a7fcb78SPaul Blakey \ 16850a7fcb78SPaul Blakey memcpy(__dst,\ 16860a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 16870a7fcb78SPaul Blakey diss_key,\ 16880a7fcb78SPaul Blakey __rule->match.key),\ 16890a7fcb78SPaul Blakey sizeof(*__dst));\ 16900a7fcb78SPaul Blakey }) 16910a7fcb78SPaul Blakey 16920a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 16930a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 16940a7fcb78SPaul Blakey struct flow_cls_offload *f, 16950a7fcb78SPaul Blakey struct net_device *filter_dev) 16968377629eSEli Britstein { 16970a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16980a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 16990a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17000a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1701d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17020a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1703c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17040a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17050a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17060a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17070a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 17080a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17090a7fcb78SPaul Blakey u32 value, mask; 17100a7fcb78SPaul Blakey int err; 17110a7fcb78SPaul Blakey 17120a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 17130a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17140a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 17150a7fcb78SPaul Blakey 17160a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 17170a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 17180a7fcb78SPaul Blakey &tunnel_key.enc_control); 17190a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 17200a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 17210a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 17220a7fcb78SPaul Blakey else 17230a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 17240a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 17250a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 17260a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 17270a7fcb78SPaul Blakey &tunnel_key.enc_tp); 17280a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 17290a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 17300a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 17310a7fcb78SPaul Blakey 17320a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 17330a7fcb78SPaul Blakey if (err) 17340a7fcb78SPaul Blakey return err; 17350a7fcb78SPaul Blakey 17360a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 17370a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 17380a7fcb78SPaul Blakey enc_opts_match.mask, 17390a7fcb78SPaul Blakey extack, 17400a7fcb78SPaul Blakey &enc_opts_is_dont_care); 17410a7fcb78SPaul Blakey if (err) 17420a7fcb78SPaul Blakey goto err_enc_opts; 17430a7fcb78SPaul Blakey 17440a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1745d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1746d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1747d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1748d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1749d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1750d7a42ad0SRoi Dayan 17510a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1752d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 17530a7fcb78SPaul Blakey if (err) 17540a7fcb78SPaul Blakey goto err_enc_opts; 17550a7fcb78SPaul Blakey } 17560a7fcb78SPaul Blakey 17570a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 17580a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 17590a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 17600a7fcb78SPaul Blakey 17610a7fcb78SPaul Blakey if (attr->chain) { 17620a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 17630a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 17640a7fcb78SPaul Blakey } else { 17650a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 17660a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1767aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 17680a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 17690a7fcb78SPaul Blakey if (err) 17700a7fcb78SPaul Blakey goto err_set; 17710a7fcb78SPaul Blakey 17720a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 17730a7fcb78SPaul Blakey } 17740a7fcb78SPaul Blakey 17750a7fcb78SPaul Blakey flow->tunnel_id = value; 17760a7fcb78SPaul Blakey return 0; 17770a7fcb78SPaul Blakey 17780a7fcb78SPaul Blakey err_set: 17790a7fcb78SPaul Blakey if (enc_opts_id) 17800a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 17810a7fcb78SPaul Blakey enc_opts_id); 17820a7fcb78SPaul Blakey err_enc_opts: 17830a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 17840a7fcb78SPaul Blakey return err; 17850a7fcb78SPaul Blakey } 17860a7fcb78SPaul Blakey 17870a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 17880a7fcb78SPaul Blakey { 17890a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 17900a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 17910a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 17920a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17930a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17940a7fcb78SPaul Blakey 17950a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 17960a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17970a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 17980a7fcb78SPaul Blakey 17990a7fcb78SPaul Blakey if (tun_id) 18000a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18010a7fcb78SPaul Blakey if (enc_opts_id) 18020a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18030a7fcb78SPaul Blakey enc_opts_id); 18040a7fcb78SPaul Blakey } 18050a7fcb78SPaul Blakey 18064c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18074c3844d9SPaul Blakey { 18084c3844d9SPaul Blakey return flow->tunnel_id; 18094c3844d9SPaul Blakey } 18104c3844d9SPaul Blakey 1811fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1812fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1813fca53304SEli Britstein void *headers_c, void *headers_v) 18144a5d5d73SEli Britstein { 1815fca53304SEli Britstein bool ip_version_cap; 1816fca53304SEli Britstein 1817fca53304SEli Britstein ip_version_cap = outer ? 1818fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1819fca53304SEli Britstein ft_field_support.outer_ip_version) : 1820fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1821fca53304SEli Britstein ft_field_support.inner_ip_version); 1822fca53304SEli Britstein 1823fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1824fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1825fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1826fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1827fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1828fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1829fca53304SEli Britstein } else { 18304a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 18314a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 18324a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 18334a5d5d73SEli Britstein ntohs(match->key->n_proto)); 18344a5d5d73SEli Britstein } 1835fca53304SEli Britstein } 18364a5d5d73SEli Britstein 18370d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1838a508728aSVlad Buslov { 1839a508728aSVlad Buslov void *headers_v; 1840a508728aSVlad Buslov u16 ethertype; 1841a508728aSVlad Buslov u8 ip_version; 1842a508728aSVlad Buslov 1843a508728aSVlad Buslov if (outer) 1844a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1845a508728aSVlad Buslov else 1846a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1847a508728aSVlad Buslov 1848a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1849a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1850a508728aSVlad Buslov if (!ip_version) { 1851a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1852a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1853a508728aSVlad Buslov ip_version = 4; 1854a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1855a508728aSVlad Buslov ip_version = 6; 1856a508728aSVlad Buslov } 1857a508728aSVlad Buslov return ip_version; 1858a508728aSVlad Buslov } 1859a508728aSVlad Buslov 18600a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 18610a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18620a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 18630a7fcb78SPaul Blakey struct flow_cls_offload *f, 18640a7fcb78SPaul Blakey struct net_device *filter_dev, 18650a7fcb78SPaul Blakey u8 *match_level, 18660a7fcb78SPaul Blakey bool *match_inner) 18670a7fcb78SPaul Blakey { 1868a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 18690a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 18700a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18710a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 18720a7fcb78SPaul Blakey int err; 18730a7fcb78SPaul Blakey 18740a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 18750a7fcb78SPaul Blakey return -EOPNOTSUPP; 18760a7fcb78SPaul Blakey 1877c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1878c620b772SAriel Levkovich sets_mapping = !flow->attr->chain && flow_has_tc_fwd_action(f); 18790a7fcb78SPaul Blakey *match_inner = !needs_mapping; 18800a7fcb78SPaul Blakey 18810a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1882636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 18830a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1884636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 18850a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1886636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 18870a7fcb78SPaul Blakey return -EOPNOTSUPP; 18880a7fcb78SPaul Blakey } 18890a7fcb78SPaul Blakey 1890c620b772SAriel Levkovich if (!flow->attr->chain) { 18910a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 18920a7fcb78SPaul Blakey match_level); 18930a7fcb78SPaul Blakey if (err) { 18940a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 18950a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 18960a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18970a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 18980a7fcb78SPaul Blakey return err; 18990a7fcb78SPaul Blakey } 19000a7fcb78SPaul Blakey 190114e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 190214e6b038SEli Cohen * object 190314e6b038SEli Cohen */ 190414e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1905c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1906a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1907a508728aSVlad Buslov if (err) 1908a508728aSVlad Buslov return err; 1909a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 1910a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 1911a508728aSVlad Buslov 1912a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 1913a508728aSVlad Buslov if (!tmp_spec) { 1914a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 1915a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 1916a508728aSVlad Buslov return -ENOMEM; 1917a508728aSVlad Buslov } 1918a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 1919a508728aSVlad Buslov 1920a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 1921a508728aSVlad Buslov if (err) { 1922a508728aSVlad Buslov kvfree(tmp_spec); 1923a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 1924a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 1925a508728aSVlad Buslov return err; 1926a508728aSVlad Buslov } 1927a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 1928a508728aSVlad Buslov kvfree(tmp_spec); 1929a508728aSVlad Buslov if (err) 1930a508728aSVlad Buslov return err; 19310a7fcb78SPaul Blakey } 19320a7fcb78SPaul Blakey 19330a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 19340a7fcb78SPaul Blakey return 0; 19350a7fcb78SPaul Blakey 19360a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 19370a7fcb78SPaul Blakey } 19380a7fcb78SPaul Blakey 19390a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 19400a7fcb78SPaul Blakey { 19410a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19420a7fcb78SPaul Blakey inner_headers); 19430a7fcb78SPaul Blakey } 19440a7fcb78SPaul Blakey 19450a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 19460a7fcb78SPaul Blakey { 19470a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19480a7fcb78SPaul Blakey inner_headers); 19490a7fcb78SPaul Blakey } 19500a7fcb78SPaul Blakey 19510a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 19520a7fcb78SPaul Blakey { 19530a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19540a7fcb78SPaul Blakey outer_headers); 19550a7fcb78SPaul Blakey } 19560a7fcb78SPaul Blakey 19570a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 19580a7fcb78SPaul Blakey { 19590a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19608377629eSEli Britstein outer_headers); 19618377629eSEli Britstein } 19628377629eSEli Britstein 19638377629eSEli Britstein static void *get_match_headers_value(u32 flags, 19648377629eSEli Britstein struct mlx5_flow_spec *spec) 19658377629eSEli Britstein { 19668377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 19670a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 19680a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 19690a7fcb78SPaul Blakey } 19700a7fcb78SPaul Blakey 19710a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 19720a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 19730a7fcb78SPaul Blakey { 19740a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 19750a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 19760a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 19778377629eSEli Britstein } 19788377629eSEli Britstein 19796d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 19806d65bc64Swenxu struct flow_cls_offload *f) 19816d65bc64Swenxu { 19826d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19836d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 19846d65bc64Swenxu struct net_device *ingress_dev; 19856d65bc64Swenxu struct flow_match_meta match; 19866d65bc64Swenxu 19876d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 19886d65bc64Swenxu return 0; 19896d65bc64Swenxu 19906d65bc64Swenxu flow_rule_match_meta(rule, &match); 1991e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 1992e3e0f9b2Swenxu return 0; 1993e3e0f9b2Swenxu 19946d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 19956d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 1996a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 19976d65bc64Swenxu } 19986d65bc64Swenxu 19996d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20006d65bc64Swenxu match.key->ingress_ifindex); 20016d65bc64Swenxu if (!ingress_dev) { 20026d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20036d65bc64Swenxu "Can't find the ingress port to match on"); 2004a683012aSPablo Neira Ayuso return -ENOENT; 20056d65bc64Swenxu } 20066d65bc64Swenxu 20076d65bc64Swenxu if (ingress_dev != filter_dev) { 20086d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20096d65bc64Swenxu "Can't match on the ingress filter port"); 2010a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20116d65bc64Swenxu } 20126d65bc64Swenxu 20136d65bc64Swenxu return 0; 20146d65bc64Swenxu } 20156d65bc64Swenxu 201672046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 201772046a91SEli Cohen struct flow_cls_offload *f) 201872046a91SEli Cohen { 201972046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 202072046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 202172046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 202272046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 202372046a91SEli Cohen */ 202472046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 202572046a91SEli Cohen return true; 202672046a91SEli Cohen 202772046a91SEli Cohen return false; 202872046a91SEli Cohen } 202972046a91SEli Cohen 2030de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 20310a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2032de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2033f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 203454c177caSOz Shlomo struct net_device *filter_dev, 203593b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2036e3a2b7edSAmir Vadai { 2037e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2038c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2039c5bb1730SMaor Gottlieb outer_headers); 2040c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2041c5bb1730SMaor Gottlieb outer_headers); 2042699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2043699e96ddSJianbo Liu misc_parameters); 2044699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2045699e96ddSJianbo Liu misc_parameters); 2046a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2047a3222a2dSMaor Dickman misc_parameters_3); 2048a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2049a3222a2dSMaor Dickman misc_parameters_3); 2050f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20518f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2052afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2053e3a2b7edSAmir Vadai u16 addr_type = 0; 2054e3a2b7edSAmir Vadai u8 ip_proto = 0; 205593b3586eSHuy Nguyen u8 *match_level; 20566d65bc64Swenxu int err; 2057e3a2b7edSAmir Vadai 2058afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 205993b3586eSHuy Nguyen match_level = outer_match_level; 2060de0af0bfSRoi Dayan 20618f256622SPablo Neira Ayuso if (dissector->used_keys & 20623d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 20633d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2064e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2065e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2066095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2067699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2068e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2069e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2070bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2071bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2072bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2073bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2074bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2075e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2076fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2077bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 20784c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 20799272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 208072046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2081a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 208272046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2083e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 208448470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 20858f256622SPablo Neira Ayuso dissector->used_keys); 2086e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2087e3a2b7edSAmir Vadai } 2088e3a2b7edSAmir Vadai 2089075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 20900a7fcb78SPaul Blakey bool match_inner = false; 2091bbd00f7eSHadar Hen Zion 20920a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 20930a7fcb78SPaul Blakey outer_match_level, &match_inner); 20940a7fcb78SPaul Blakey if (err) 20950a7fcb78SPaul Blakey return err; 20960a7fcb78SPaul Blakey 20970a7fcb78SPaul Blakey if (match_inner) { 20980a7fcb78SPaul Blakey /* header pointers should point to the inner headers 20990a7fcb78SPaul Blakey * if the packet was decapsulated already. 21000a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2101bbd00f7eSHadar Hen Zion */ 210293b3586eSHuy Nguyen match_level = inner_match_level; 21030a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21040a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21050a7fcb78SPaul Blakey } 2106bbd00f7eSHadar Hen Zion } 2107bbd00f7eSHadar Hen Zion 21086d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21096d65bc64Swenxu if (err) 21106d65bc64Swenxu return err; 21116d65bc64Swenxu 211272046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 211372046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 21148f256622SPablo Neira Ayuso struct flow_match_basic match; 2115e3a2b7edSAmir Vadai 21168f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2117fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2118fca53304SEli Britstein match_level == outer_match_level, 2119fca53304SEli Britstein headers_c, headers_v); 21208f256622SPablo Neira Ayuso 21218f256622SPablo Neira Ayuso if (match.mask->n_proto) 2122d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2123e3a2b7edSAmir Vadai } 212435a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 212535a605dbSEli Britstein is_vlan_dev(filter_dev)) { 212635a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 212735a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 21288f256622SPablo Neira Ayuso struct flow_match_vlan match; 21298f256622SPablo Neira Ayuso 213035a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 213135a605dbSEli Britstein match.key = &filter_dev_key; 213235a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 213335a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 213435a605dbSEli Britstein match.key->vlan_priority = 0; 213535a605dbSEli Britstein match.mask = &filter_dev_mask; 213635a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 213735a605dbSEli Britstein match.mask->vlan_priority = 0; 213835a605dbSEli Britstein } else { 21398f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 214035a605dbSEli Britstein } 21418f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21428f256622SPablo Neira Ayuso match.mask->vlan_priority || 21438f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21448f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2145699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2146699e96ddSJianbo Liu svlan_tag, 1); 2147699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2148699e96ddSJianbo Liu svlan_tag, 1); 2149699e96ddSJianbo Liu } else { 2150699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2151699e96ddSJianbo Liu cvlan_tag, 1); 2152699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2153699e96ddSJianbo Liu cvlan_tag, 1); 2154699e96ddSJianbo Liu } 2155095b6cfdSOr Gerlitz 21568f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 21578f256622SPablo Neira Ayuso match.mask->vlan_id); 21588f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 21598f256622SPablo Neira Ayuso match.key->vlan_id); 2160358d79a4SOr Gerlitz 21618f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 21628f256622SPablo Neira Ayuso match.mask->vlan_priority); 21638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 21648f256622SPablo Neira Ayuso match.key->vlan_priority); 216554782900SOr Gerlitz 2166d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2167095b6cfdSOr Gerlitz } 2168d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2169fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2170fc603294SMark Bloch * disabled in match value means both S & C tags 2171fc603294SMark Bloch * don't exist (untagged of both) 2172fc603294SMark Bloch */ 2173cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2174d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2175095b6cfdSOr Gerlitz } 2176095b6cfdSOr Gerlitz 21778f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 21788f256622SPablo Neira Ayuso struct flow_match_vlan match; 21798f256622SPablo Neira Ayuso 218012d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 21818f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21828f256622SPablo Neira Ayuso match.mask->vlan_priority || 21838f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2184afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2185afe93f71SRoi Dayan fs_type)) { 2186afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2187afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2188afe93f71SRoi Dayan return -EOPNOTSUPP; 2189afe93f71SRoi Dayan } 2190afe93f71SRoi Dayan 21918f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2192699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2193699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2194699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2195699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2196699e96ddSJianbo Liu } else { 2197699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2198699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2199699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2200699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2201699e96ddSJianbo Liu } 2202699e96ddSJianbo Liu 2203699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22048f256622SPablo Neira Ayuso match.mask->vlan_id); 2205699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22068f256622SPablo Neira Ayuso match.key->vlan_id); 2207699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22088f256622SPablo Neira Ayuso match.mask->vlan_priority); 2209699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22108f256622SPablo Neira Ayuso match.key->vlan_priority); 2211699e96ddSJianbo Liu 2212699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 22130faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2214699e96ddSJianbo Liu } 2215699e96ddSJianbo Liu } 2216699e96ddSJianbo Liu 22178f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 22188f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 221954782900SOr Gerlitz 22208f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2221d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2222d3a80bb5SOr Gerlitz dmac_47_16), 22238f256622SPablo Neira Ayuso match.mask->dst); 2224d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2225d3a80bb5SOr Gerlitz dmac_47_16), 22268f256622SPablo Neira Ayuso match.key->dst); 2227d3a80bb5SOr Gerlitz 2228d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2229d3a80bb5SOr Gerlitz smac_47_16), 22308f256622SPablo Neira Ayuso match.mask->src); 2231d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2232d3a80bb5SOr Gerlitz smac_47_16), 22338f256622SPablo Neira Ayuso match.key->src); 2234d3a80bb5SOr Gerlitz 22358f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22368f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2237d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 223854782900SOr Gerlitz } 223954782900SOr Gerlitz 22408f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22418f256622SPablo Neira Ayuso struct flow_match_control match; 224254782900SOr Gerlitz 22438f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22448f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 224554782900SOr Gerlitz 224654782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22478f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 224854782900SOr Gerlitz return -EOPNOTSUPP; 224954782900SOr Gerlitz 22508f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 225154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 225254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22538f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 225454782900SOr Gerlitz 225554782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 22568f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 225783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 225854782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 225954782900SOr Gerlitz else 226083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 226154782900SOr Gerlitz } 226254782900SOr Gerlitz } 226354782900SOr Gerlitz 22648f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 22658f256622SPablo Neira Ayuso struct flow_match_basic match; 22668f256622SPablo Neira Ayuso 22678f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 22688f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 226954782900SOr Gerlitz 227054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 22718f256622SPablo Neira Ayuso match.mask->ip_proto); 227254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 22738f256622SPablo Neira Ayuso match.key->ip_proto); 227454782900SOr Gerlitz 22758f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2276d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 227754782900SOr Gerlitz } 227854782900SOr Gerlitz 2279e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 22808f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2281e3a2b7edSAmir Vadai 22828f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2283e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2284e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 22858f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2286e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2287e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 22888f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2289e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2290e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 22918f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2292e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2293e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 22948f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2295de0af0bfSRoi Dayan 22968f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2297d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2298e3a2b7edSAmir Vadai } 2299e3a2b7edSAmir Vadai 2300e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23018f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2302e3a2b7edSAmir Vadai 23038f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2304e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2305e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23068f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2307e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2308e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23098f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2310e3a2b7edSAmir Vadai 2311e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2312e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23138f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2314e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2315e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23168f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2317de0af0bfSRoi Dayan 23188f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 23198f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2320d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2321e3a2b7edSAmir Vadai } 2322e3a2b7edSAmir Vadai 23238f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 23248f256622SPablo Neira Ayuso struct flow_match_ip match; 23251f97a526SOr Gerlitz 23268f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 23278f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 23288f256622SPablo Neira Ayuso match.mask->tos & 0x3); 23298f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 23308f256622SPablo Neira Ayuso match.key->tos & 0x3); 23311f97a526SOr Gerlitz 23328f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 23338f256622SPablo Neira Ayuso match.mask->tos >> 2); 23348f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23358f256622SPablo Neira Ayuso match.key->tos >> 2); 23361f97a526SOr Gerlitz 23378f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23388f256622SPablo Neira Ayuso match.mask->ttl); 23398f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23408f256622SPablo Neira Ayuso match.key->ttl); 23411f97a526SOr Gerlitz 23428f256622SPablo Neira Ayuso if (match.mask->ttl && 2343a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2344e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2345e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2346e98bedf5SEli Britstein "Matching on TTL is not supported"); 23471f97a526SOr Gerlitz return -EOPNOTSUPP; 2348e98bedf5SEli Britstein } 2349a8ade55fSOr Gerlitz 23508f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2351d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23521f97a526SOr Gerlitz } 23531f97a526SOr Gerlitz 235454782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 235554782900SOr Gerlitz 23568f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 23578f256622SPablo Neira Ayuso struct flow_match_ports match; 23588f256622SPablo Neira Ayuso 23598f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2360e3a2b7edSAmir Vadai switch (ip_proto) { 2361e3a2b7edSAmir Vadai case IPPROTO_TCP: 2362e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23638f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2364e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23658f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2366e3a2b7edSAmir Vadai 2367e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23688f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2369e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23708f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2371e3a2b7edSAmir Vadai break; 2372e3a2b7edSAmir Vadai 2373e3a2b7edSAmir Vadai case IPPROTO_UDP: 2374e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23758f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2376e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23778f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2378e3a2b7edSAmir Vadai 2379e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23808f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2381e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23828f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2383e3a2b7edSAmir Vadai break; 2384e3a2b7edSAmir Vadai default: 2385e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2386e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2387e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2388e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2389e3a2b7edSAmir Vadai return -EINVAL; 2390e3a2b7edSAmir Vadai } 2391de0af0bfSRoi Dayan 23928f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2393d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2394e3a2b7edSAmir Vadai } 2395e3a2b7edSAmir Vadai 23968f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 23978f256622SPablo Neira Ayuso struct flow_match_tcp match; 2398e77834ecSOr Gerlitz 23998f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2400e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24018f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2402e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24038f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2404e77834ecSOr Gerlitz 24058f256622SPablo Neira Ayuso if (match.mask->flags) 2406d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2407e77834ecSOr Gerlitz } 2408a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2409a3222a2dSMaor Dickman struct flow_match_icmp match; 2410e77834ecSOr Gerlitz 2411a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2412a3222a2dSMaor Dickman switch (ip_proto) { 2413a3222a2dSMaor Dickman case IPPROTO_ICMP: 2414a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2415a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMP)) 2416a3222a2dSMaor Dickman return -EOPNOTSUPP; 2417a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2418a3222a2dSMaor Dickman match.mask->type); 2419a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2420a3222a2dSMaor Dickman match.key->type); 2421a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2422a3222a2dSMaor Dickman match.mask->code); 2423a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2424a3222a2dSMaor Dickman match.key->code); 2425a3222a2dSMaor Dickman break; 2426a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2427a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2428a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMPV6)) 2429a3222a2dSMaor Dickman return -EOPNOTSUPP; 2430a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2431a3222a2dSMaor Dickman match.mask->type); 2432a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2433a3222a2dSMaor Dickman match.key->type); 2434a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2435a3222a2dSMaor Dickman match.mask->code); 2436a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2437a3222a2dSMaor Dickman match.key->code); 2438a3222a2dSMaor Dickman break; 2439a3222a2dSMaor Dickman default: 2440a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2441a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2442a3222a2dSMaor Dickman netdev_err(priv->netdev, 2443a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2444a3222a2dSMaor Dickman return -EINVAL; 2445a3222a2dSMaor Dickman } 2446a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2447a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2448a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2449a3222a2dSMaor Dickman } 2450a3222a2dSMaor Dickman } 245139c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 24527d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 24537d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 24547d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 24557d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 24567d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 24577d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 24587d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 24597d6c86e3SAlaa Hleihel } 24607d6c86e3SAlaa Hleihel 2461e3a2b7edSAmir Vadai return 0; 2462e3a2b7edSAmir Vadai } 2463e3a2b7edSAmir Vadai 2464de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 246565ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2466de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2467f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 246854c177caSOz Shlomo struct net_device *filter_dev) 2469de0af0bfSRoi Dayan { 247093b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2471e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2472de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2473de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24741d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 24751d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2476226f2ca3SVlad Buslov bool is_eswitch_flow; 2477de0af0bfSRoi Dayan int err; 2478de0af0bfSRoi Dayan 247993b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 248093b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 248193b3586eSHuy Nguyen 24820a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 24830a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 248493b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 248593b3586eSHuy Nguyen outer_match_level : inner_match_level; 2486de0af0bfSRoi Dayan 2487226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2488226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 24891d447a39SSaeed Mahameed rep = rpriv->rep; 2490b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24911d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 249293b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2493e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2494e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2495de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2496de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 249793b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2498de0af0bfSRoi Dayan return -EOPNOTSUPP; 2499de0af0bfSRoi Dayan } 2500de0af0bfSRoi Dayan } 2501de0af0bfSRoi Dayan 2502c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2503c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2504c620b772SAriel Levkovich 250538aa51c1SOr Gerlitz 2506de0af0bfSRoi Dayan return err; 2507de0af0bfSRoi Dayan } 2508de0af0bfSRoi Dayan 2509d79b6df6SOr Gerlitz struct pedit_headers { 2510d79b6df6SOr Gerlitz struct ethhdr eth; 25110eb69bb9SEli Britstein struct vlan_hdr vlan; 2512d79b6df6SOr Gerlitz struct iphdr ip4; 2513d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2514d79b6df6SOr Gerlitz struct tcphdr tcp; 2515d79b6df6SOr Gerlitz struct udphdr udp; 2516d79b6df6SOr Gerlitz }; 2517d79b6df6SOr Gerlitz 2518c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2519c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2520c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2521c500c86bSPablo Neira Ayuso u32 pedits; 2522c500c86bSPablo Neira Ayuso }; 2523c500c86bSPablo Neira Ayuso 2524d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 252573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 252673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 252773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 252873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 252973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2530d79b6df6SOr Gerlitz }; 2531d79b6df6SOr Gerlitz 2532d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2533d79b6df6SOr Gerlitz 2534d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2535c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2536d79b6df6SOr Gerlitz { 2537d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2538d79b6df6SOr Gerlitz 2539c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2540c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2541d79b6df6SOr Gerlitz 2542d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2543d79b6df6SOr Gerlitz goto out_err; 2544d79b6df6SOr Gerlitz 2545d79b6df6SOr Gerlitz *curr_pmask |= mask; 2546d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2547d79b6df6SOr Gerlitz 2548d79b6df6SOr Gerlitz return 0; 2549d79b6df6SOr Gerlitz 2550d79b6df6SOr Gerlitz out_err: 2551d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2552d79b6df6SOr Gerlitz } 2553d79b6df6SOr Gerlitz 2554d79b6df6SOr Gerlitz struct mlx5_fields { 2555d79b6df6SOr Gerlitz u8 field; 255688f30bbcSDmytro Linkin u8 field_bsize; 255788f30bbcSDmytro Linkin u32 field_mask; 2558d79b6df6SOr Gerlitz u32 offset; 255927c11b6bSEli Britstein u32 match_offset; 2560d79b6df6SOr Gerlitz }; 2561d79b6df6SOr Gerlitz 256288f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 256388f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 256427c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 256527c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 256627c11b6bSEli Britstein 25672ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25682ef86872SEli Britstein * match. 25692ef86872SEli Britstein */ 25702ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25712ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25722ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25732ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25742ef86872SEli Britstein type valx = *(type *)(valp); \ 25752ef86872SEli Britstein \ 25762ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 25772ef86872SEli Britstein matchmaskx)); \ 25782ef86872SEli Britstein }) 25792ef86872SEli Britstein 258027c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 258188f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 258227c11b6bSEli Britstein { 258327c11b6bSEli Britstein bool same = false; 258427c11b6bSEli Britstein 258588f30bbcSDmytro Linkin switch (bsize) { 258688f30bbcSDmytro Linkin case 8: 25872ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 258827c11b6bSEli Britstein break; 258988f30bbcSDmytro Linkin case 16: 25902ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 259127c11b6bSEli Britstein break; 259288f30bbcSDmytro Linkin case 32: 25932ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 259427c11b6bSEli Britstein break; 259527c11b6bSEli Britstein } 259627c11b6bSEli Britstein 259727c11b6bSEli Britstein return same; 259827c11b6bSEli Britstein } 2599a8e4f0c4SOr Gerlitz 2600d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 260188f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 260288f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 260388f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 260488f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 260588f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 260688f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2607d79b6df6SOr Gerlitz 2608ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 260988f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 261088f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 261188f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2612d79b6df6SOr Gerlitz 261388f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 261427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 261588f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 261627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 261788f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 261827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 261988f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 262027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 262188f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 262227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 262388f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 262427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 262588f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 262627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 262788f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 262827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 262988f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2630748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2631d79b6df6SOr Gerlitz 263288f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 263388f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 263488f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 263588f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2636d79b6df6SOr Gerlitz 263788f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 263888f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2639d79b6df6SOr Gerlitz }; 2640d79b6df6SOr Gerlitz 264182198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 264282198d8bSMaor Dickman { 264382198d8bSMaor Dickman __be32 mask_be32; 264482198d8bSMaor Dickman __be16 mask_be16; 264582198d8bSMaor Dickman 264682198d8bSMaor Dickman if (size == 32) { 264782198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 264882198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 264982198d8bSMaor Dickman } else if (size == 16) { 265082198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 265182198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 265282198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 265382198d8bSMaor Dickman } 265482198d8bSMaor Dickman 265582198d8bSMaor Dickman return mask; 265682198d8bSMaor Dickman } 26576ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26586ae4a6a5SPaul Blakey int namespace, 26596ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2660e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 266127c11b6bSEli Britstein u32 *action_flags, 2662e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2663d79b6df6SOr Gerlitz { 2664d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26656ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 266688f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 266788f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26686ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2669d79b6df6SOr Gerlitz struct mlx5_fields *f; 267082198d8bSMaor Dickman unsigned long mask, field_mask; 26716ae4a6a5SPaul Blakey int err; 267288f30bbcSDmytro Linkin u8 cmd; 267388f30bbcSDmytro Linkin 26746ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 267588f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 267688f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2677d79b6df6SOr Gerlitz 267873867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 267973867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 268073867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 268173867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2682d79b6df6SOr Gerlitz 2683d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2684d79b6df6SOr Gerlitz 2685d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 268627c11b6bSEli Britstein bool skip; 268727c11b6bSEli Britstein 2688d79b6df6SOr Gerlitz f = &fields[i]; 2689d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2690e3ca4e05SOr Gerlitz s_mask = 0; 2691e3ca4e05SOr Gerlitz a_mask = 0; 2692d79b6df6SOr Gerlitz 2693d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2694d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2695d79b6df6SOr Gerlitz 269688f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 269788f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2698d79b6df6SOr Gerlitz 2699d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2700d79b6df6SOr Gerlitz continue; 2701d79b6df6SOr Gerlitz 2702d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2703e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2704e98bedf5SEli Britstein "can't set and add to the same HW field"); 270561b6a6c3SCai Huoqing netdev_warn(priv->netdev, 270661b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 270761b6a6c3SCai Huoqing f->field); 2708d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2709d79b6df6SOr Gerlitz } 2710d79b6df6SOr Gerlitz 271127c11b6bSEli Britstein skip = false; 2712d79b6df6SOr Gerlitz if (s_mask) { 271327c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 271427c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 271527c11b6bSEli Britstein 2716d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2717d79b6df6SOr Gerlitz mask = s_mask; 2718d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 271927c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 272027c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 272188f30bbcSDmytro Linkin match_mask, f->field_bsize)) 272227c11b6bSEli Britstein skip = true; 2723d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 272488f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2725d79b6df6SOr Gerlitz } else { 2726d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2727d79b6df6SOr Gerlitz mask = a_mask; 2728d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 272927c11b6bSEli Britstein /* add 0 is no change */ 273088f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 273127c11b6bSEli Britstein skip = true; 2732d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 273388f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2734d79b6df6SOr Gerlitz } 273527c11b6bSEli Britstein if (skip) 273627c11b6bSEli Britstein continue; 2737d79b6df6SOr Gerlitz 273882198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 27392b64bebaSOr Gerlitz 274088f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 274188f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 274288f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27432b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2744e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2745e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 274661b6a6c3SCai Huoqing netdev_warn(priv->netdev, 274761b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2748d79b6df6SOr Gerlitz mask); 2749d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2750d79b6df6SOr Gerlitz } 2751d79b6df6SOr Gerlitz 27526ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27536ae4a6a5SPaul Blakey if (err) { 27546ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27556ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27566ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27576ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27586ae4a6a5SPaul Blakey mod_acts->num_actions); 27596ae4a6a5SPaul Blakey return err; 27606ae4a6a5SPaul Blakey } 27616ae4a6a5SPaul Blakey 27626ae4a6a5SPaul Blakey action = mod_acts->actions + 27636ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2764d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2765d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2766d79b6df6SOr Gerlitz 2767d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 276888f30bbcSDmytro Linkin int start; 276988f30bbcSDmytro Linkin 277082198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 277182198d8bSMaor Dickman 277288f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 277382198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 277488f30bbcSDmytro Linkin 277588f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2776d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 27772b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2778d79b6df6SOr Gerlitz } 2779d79b6df6SOr Gerlitz 278088f30bbcSDmytro Linkin if (f->field_bsize == 32) 27812b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 278288f30bbcSDmytro Linkin else if (f->field_bsize == 16) 27832b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 278488f30bbcSDmytro Linkin else if (f->field_bsize == 8) 27852b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2786d79b6df6SOr Gerlitz 27876ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2788d79b6df6SOr Gerlitz } 2789d79b6df6SOr Gerlitz 2790d79b6df6SOr Gerlitz return 0; 2791d79b6df6SOr Gerlitz } 2792d79b6df6SOr Gerlitz 27932cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27942cc1cb1dSTonghao Zhang int namespace) 27952cc1cb1dSTonghao Zhang { 27962cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27972cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27982cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27992cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 28002cc1cb1dSTonghao Zhang } 28012cc1cb1dSTonghao Zhang 28026ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2803c500c86bSPablo Neira Ayuso int namespace, 28046ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2805d79b6df6SOr Gerlitz { 28066ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 28076ae4a6a5SPaul Blakey size_t new_sz, old_sz; 28086ae4a6a5SPaul Blakey void *ret; 2809d79b6df6SOr Gerlitz 28106ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 28116ae4a6a5SPaul Blakey return 0; 28126ae4a6a5SPaul Blakey 2813d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2814d79b6df6SOr Gerlitz 28156ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 28166ae4a6a5SPaul Blakey namespace); 28176ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 28186ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 28196ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 28206ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 28216ae4a6a5SPaul Blakey return -ENOSPC; 2822d79b6df6SOr Gerlitz 28236ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 28246ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 28256ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 28266ae4a6a5SPaul Blakey if (!ret) 2827d79b6df6SOr Gerlitz return -ENOMEM; 2828d79b6df6SOr Gerlitz 28296ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28306ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28316ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28326ae4a6a5SPaul Blakey 2833d79b6df6SOr Gerlitz return 0; 2834d79b6df6SOr Gerlitz } 2835d79b6df6SOr Gerlitz 28366ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28376ae4a6a5SPaul Blakey { 28386ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28396ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28406ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28416ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28426ae4a6a5SPaul Blakey } 28436ae4a6a5SPaul Blakey 2844d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2845d79b6df6SOr Gerlitz 2846582234b4SEli Cohen static int 2847582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 284873867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2849582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2850c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2851e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2852d79b6df6SOr Gerlitz { 285373867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 285473867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2855d79b6df6SOr Gerlitz u32 mask, val, offset; 285673867881SPablo Neira Ayuso u8 htype; 2857d79b6df6SOr Gerlitz 285873867881SPablo Neira Ayuso htype = act->mangle.htype; 2859d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2860d79b6df6SOr Gerlitz 286173867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 286273867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2863d79b6df6SOr Gerlitz goto out_err; 2864d79b6df6SOr Gerlitz } 2865d79b6df6SOr Gerlitz 28662cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28672cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28682cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28692cc1cb1dSTonghao Zhang goto out_err; 28702cc1cb1dSTonghao Zhang } 28712cc1cb1dSTonghao Zhang 287273867881SPablo Neira Ayuso mask = act->mangle.mask; 287373867881SPablo Neira Ayuso val = act->mangle.val; 287473867881SPablo Neira Ayuso offset = act->mangle.offset; 2875d79b6df6SOr Gerlitz 2876c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2877d79b6df6SOr Gerlitz if (err) 2878d79b6df6SOr Gerlitz goto out_err; 2879c500c86bSPablo Neira Ayuso 2880c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2881d79b6df6SOr Gerlitz 2882c500c86bSPablo Neira Ayuso return 0; 2883c500c86bSPablo Neira Ayuso out_err: 2884c500c86bSPablo Neira Ayuso return err; 2885c500c86bSPablo Neira Ayuso } 2886c500c86bSPablo Neira Ayuso 2887582234b4SEli Cohen static int 2888582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2889582234b4SEli Cohen const struct flow_action_entry *act, 2890582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2891582234b4SEli Cohen struct netlink_ext_ack *extack) 2892582234b4SEli Cohen { 2893582234b4SEli Cohen u32 mask, val, offset; 2894582234b4SEli Cohen u32 *p; 2895582234b4SEli Cohen 2896582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2897582234b4SEli Cohen return -EOPNOTSUPP; 2898582234b4SEli Cohen 2899582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2900582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2901582234b4SEli Cohen return -EOPNOTSUPP; 2902582234b4SEli Cohen } 2903582234b4SEli Cohen 2904582234b4SEli Cohen mask = ~act->mangle.mask; 2905582234b4SEli Cohen val = act->mangle.val; 2906582234b4SEli Cohen offset = act->mangle.offset; 2907582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2908582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2909582234b4SEli Cohen 2910582234b4SEli Cohen return 0; 2911582234b4SEli Cohen } 2912582234b4SEli Cohen 2913582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2914582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2915582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2916582234b4SEli Cohen struct pedit_headers_action *hdrs, 2917582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2918582234b4SEli Cohen struct netlink_ext_ack *extack) 2919582234b4SEli Cohen { 2920582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 2921582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 2922582234b4SEli Cohen 2923582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2924582234b4SEli Cohen parse_attr, hdrs, extack); 2925582234b4SEli Cohen } 2926582234b4SEli Cohen 2927c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2928c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2929c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 293027c11b6bSEli Britstein u32 *action_flags, 2931c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2932c500c86bSPablo Neira Ayuso { 2933c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2934c500c86bSPablo Neira Ayuso int err; 2935c500c86bSPablo Neira Ayuso u8 cmd; 2936c500c86bSPablo Neira Ayuso 29376ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29386ae4a6a5SPaul Blakey action_flags, extack); 2939d79b6df6SOr Gerlitz if (err < 0) 2940d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2941d79b6df6SOr Gerlitz 2942d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2943c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2944d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2945e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2946e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2947b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2948d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2949d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2950d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2951d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2952d79b6df6SOr Gerlitz } 2953d79b6df6SOr Gerlitz } 2954d79b6df6SOr Gerlitz 2955d79b6df6SOr Gerlitz return 0; 2956d79b6df6SOr Gerlitz 2957d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29586ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2959d79b6df6SOr Gerlitz return err; 2960d79b6df6SOr Gerlitz } 2961d79b6df6SOr Gerlitz 2962e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2963e98bedf5SEli Britstein u32 action, 2964e98bedf5SEli Britstein u32 update_flags, 2965e98bedf5SEli Britstein struct netlink_ext_ack *extack) 296626c02749SOr Gerlitz { 296726c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 296826c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 296926c02749SOr Gerlitz 297026c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 297126c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2972e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2973e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 297426c02749SOr Gerlitz netdev_warn(priv->netdev, 297526c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 297626c02749SOr Gerlitz return false; 297726c02749SOr Gerlitz } 297826c02749SOr Gerlitz 297926c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2980e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2981e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 298226c02749SOr Gerlitz netdev_warn(priv->netdev, 298326c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 298426c02749SOr Gerlitz update_flags); 298526c02749SOr Gerlitz return false; 298626c02749SOr Gerlitz } 298726c02749SOr Gerlitz 298826c02749SOr Gerlitz return true; 298926c02749SOr Gerlitz } 299026c02749SOr Gerlitz 29918998576bSDmytro Linkin struct ip_ttl_word { 29928998576bSDmytro Linkin __u8 ttl; 29938998576bSDmytro Linkin __u8 protocol; 29948998576bSDmytro Linkin __sum16 check; 29958998576bSDmytro Linkin }; 29968998576bSDmytro Linkin 29978998576bSDmytro Linkin struct ipv6_hoplimit_word { 29988998576bSDmytro Linkin __be16 payload_len; 29998998576bSDmytro Linkin __u8 nexthdr; 30008998576bSDmytro Linkin __u8 hop_limit; 30018998576bSDmytro Linkin }; 30028998576bSDmytro Linkin 30034c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 30044c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 30057e36feebSPaul Blakey bool *modify_tuple, 30064c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30078998576bSDmytro Linkin { 30088998576bSDmytro Linkin u32 mask, offset; 30098998576bSDmytro Linkin u8 htype; 30108998576bSDmytro Linkin 30118998576bSDmytro Linkin htype = act->mangle.htype; 30128998576bSDmytro Linkin offset = act->mangle.offset; 30138998576bSDmytro Linkin mask = ~act->mangle.mask; 30148998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30158998576bSDmytro Linkin * to determine that modified fields 30168998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30178998576bSDmytro Linkin */ 30188998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30198998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30208998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30218998576bSDmytro Linkin 30228998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30238998576bSDmytro Linkin ttl_word->protocol || 30248998576bSDmytro Linkin ttl_word->check) { 30254c3844d9SPaul Blakey *modify_ip_header = true; 30264c3844d9SPaul Blakey } 30274c3844d9SPaul Blakey 30287e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30297e36feebSPaul Blakey *modify_tuple = true; 30307e36feebSPaul Blakey 30317e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30324c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30334c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30344c3844d9SPaul Blakey return -EOPNOTSUPP; 30358998576bSDmytro Linkin } 30368998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30378998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30388998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30398998576bSDmytro Linkin 30408998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30418998576bSDmytro Linkin hoplimit_word->payload_len || 30428998576bSDmytro Linkin hoplimit_word->nexthdr) { 30434c3844d9SPaul Blakey *modify_ip_header = true; 30448998576bSDmytro Linkin } 30454c3844d9SPaul Blakey 30467e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30477e36feebSPaul Blakey *modify_tuple = true; 30487e36feebSPaul Blakey 30497e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30504c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30514c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30524c3844d9SPaul Blakey return -EOPNOTSUPP; 30538998576bSDmytro Linkin } 30547e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30557e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 30567e36feebSPaul Blakey *modify_tuple = true; 30577e36feebSPaul Blakey if (ct_flow) { 30584c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30594c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30604c3844d9SPaul Blakey return -EOPNOTSUPP; 30614c3844d9SPaul Blakey } 30627e36feebSPaul Blakey } 30634c3844d9SPaul Blakey 30644c3844d9SPaul Blakey return 0; 30658998576bSDmytro Linkin } 30668998576bSDmytro Linkin 306796b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 306896b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 306996b5b458SDima Chumak struct mlx5e_priv *priv, 307096b5b458SDima Chumak struct mlx5_flow_spec *spec) 307196b5b458SDima Chumak { 307296b5b458SDima Chumak if (!modify_tuple || ct_clear) 307396b5b458SDima Chumak return true; 307496b5b458SDima Chumak 307596b5b458SDima Chumak if (ct_flow) { 307696b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 307796b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 307896b5b458SDima Chumak netdev_info(priv->netdev, 307996b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 308096b5b458SDima Chumak return false; 308196b5b458SDima Chumak } 308296b5b458SDima Chumak 308396b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 308496b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 308596b5b458SDima Chumak * we can't restore ct state 308696b5b458SDima Chumak */ 308796b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 308896b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 308996b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 309096b5b458SDima Chumak netdev_info(priv->netdev, 309196b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 309296b5b458SDima Chumak return false; 309396b5b458SDima Chumak } 309496b5b458SDima Chumak 309596b5b458SDima Chumak return true; 309696b5b458SDima Chumak } 309796b5b458SDima Chumak 30983d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 30993d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 310073867881SPablo Neira Ayuso struct flow_action *flow_action, 31014c3844d9SPaul Blakey u32 actions, bool ct_flow, 31027e36feebSPaul Blakey bool ct_clear, 3103e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3104bdd66ac0SOr Gerlitz { 310573867881SPablo Neira Ayuso const struct flow_action_entry *act; 31067e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3107fca53304SEli Britstein void *headers_c; 3108bdd66ac0SOr Gerlitz void *headers_v; 3109bdd66ac0SOr Gerlitz u16 ethertype; 31108998576bSDmytro Linkin u8 ip_proto; 31114c3844d9SPaul Blakey int i, err; 3112bdd66ac0SOr Gerlitz 3113fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 31148377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3115bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3116bdd66ac0SOr Gerlitz 3117bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3118fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3119fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3120bdd66ac0SOr Gerlitz goto out_ok; 3121bdd66ac0SOr Gerlitz 3122bdd66ac0SOr Gerlitz modify_ip_header = false; 31237e36feebSPaul Blakey modify_tuple = false; 312473867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 312573867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 312673867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3127bdd66ac0SOr Gerlitz continue; 3128bdd66ac0SOr Gerlitz 31294c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 31307e36feebSPaul Blakey &modify_ip_header, 31317e36feebSPaul Blakey &modify_tuple, extack); 31324c3844d9SPaul Blakey if (err) 31334c3844d9SPaul Blakey return err; 3134bdd66ac0SOr Gerlitz } 3135bdd66ac0SOr Gerlitz 313696b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 313796b5b458SDima Chumak priv, spec)) 31387e36feebSPaul Blakey return false; 31397e36feebSPaul Blakey 3140bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31411ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31421ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3143e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3144e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 31453d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 31463d486ec4SOz Shlomo ip_proto); 3147bdd66ac0SOr Gerlitz return false; 3148bdd66ac0SOr Gerlitz } 3149bdd66ac0SOr Gerlitz 3150bdd66ac0SOr Gerlitz out_ok: 3151bdd66ac0SOr Gerlitz return true; 3152bdd66ac0SOr Gerlitz } 3153bdd66ac0SOr Gerlitz 3154bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 315573867881SPablo Neira Ayuso struct flow_action *flow_action, 3156bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3157e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3158e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3159bdd66ac0SOr Gerlitz { 3160a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3161bdd66ac0SOr Gerlitz u32 actions; 3162bdd66ac0SOr Gerlitz 3163c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3164a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3165a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3166c620b772SAriel Levkovich actions = flow->attr->action; 3167c620b772SAriel Levkovich 3168c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 316969e2916eSPaul Blakey if (flow->attr->esw_attr->split_count && ct_flow && 317069e2916eSPaul Blakey !MLX5_CAP_GEN(flow->attr->esw_attr->in_mdev, reg_c_preserve)) { 31714c3844d9SPaul Blakey /* All registers used by ct are cleared when using 31724c3844d9SPaul Blakey * split rules. 31734c3844d9SPaul Blakey */ 31744c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31754c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 317649397b80SDan Carpenter return false; 31774c3844d9SPaul Blakey } 31784c3844d9SPaul Blakey } 3179bdd66ac0SOr Gerlitz 3180bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 31813d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3182a655fe9fSDavid S. Miller flow_action, actions, 31837e36feebSPaul Blakey ct_flow, ct_clear, 31847e36feebSPaul Blakey extack); 3185bdd66ac0SOr Gerlitz 3186bdd66ac0SOr Gerlitz return true; 3187bdd66ac0SOr Gerlitz } 3188bdd66ac0SOr Gerlitz 318932134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 319032134847SMaor Dickman { 319132134847SMaor Dickman return priv->mdev == peer_priv->mdev; 319232134847SMaor Dickman } 319332134847SMaor Dickman 31945c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31955c65c564SOr Gerlitz { 31965c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3197816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31985c65c564SOr Gerlitz 31995c65c564SOr Gerlitz fmdev = priv->mdev; 32005c65c564SOr Gerlitz pmdev = peer_priv->mdev; 32015c65c564SOr Gerlitz 320259c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 320359c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 32045c65c564SOr Gerlitz 3205816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 32065c65c564SOr Gerlitz } 32075c65c564SOr Gerlitz 3208bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3209bb569657SAriel Levkovich struct net_device *out_dev) 3210bb569657SAriel Levkovich { 3211bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3212bb569657SAriel Levkovich priv->netdev == out_dev; 3213bb569657SAriel Levkovich } 3214bb569657SAriel Levkovich 3215bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3216bdc837eeSEli Britstein const struct flow_action_entry *act, 3217bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3218bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3219bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3220bdc837eeSEli Britstein { 3221bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3222bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3223bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3224bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3225bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3226bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3227bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3228bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3229bdc837eeSEli Britstein }; 32306fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3231bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3232bdc837eeSEli Britstein int err; 3233bdc837eeSEli Britstein 3234bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3235bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3236bf2f3bcaSEli Britstein 3237bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3238bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3239bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3240bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3241bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3242bf2f3bcaSEli Britstein } 3243bf2f3bcaSEli Britstein 32446fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 32456fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 32466fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 32476fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 32486fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3249bdc837eeSEli Britstein return -EOPNOTSUPP; 3250bdc837eeSEli Britstein } 3251bdc837eeSEli Britstein 3252582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3253bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3254bdc837eeSEli Britstein 3255bdc837eeSEli Britstein return err; 3256bdc837eeSEli Britstein } 3257bdc837eeSEli Britstein 32580bac1194SEli Britstein static int 32590bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32600bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32610bac1194SEli Britstein struct pedit_headers_action *hdrs, 32620bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32630bac1194SEli Britstein { 32640bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32650bac1194SEli Britstein .vlan.vid = 0, 32660bac1194SEli Britstein .vlan.prio = 32670bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32680bac1194SEli Britstein get_match_headers_value(*action, 32690bac1194SEli Britstein &parse_attr->spec), 32700bac1194SEli Britstein first_prio) & 32710bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32720bac1194SEli Britstein get_match_headers_criteria(*action, 32730bac1194SEli Britstein &parse_attr->spec), 32740bac1194SEli Britstein first_prio), 32750bac1194SEli Britstein }; 32760bac1194SEli Britstein 32770bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 32780bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 32790bac1194SEli Britstein extack); 32800bac1194SEli Britstein } 32810bac1194SEli Britstein 3282c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3283c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3284c7569097SAriel Levkovich const struct flow_action_entry *act, 3285c7569097SAriel Levkovich u32 actions, 3286c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3287c7569097SAriel Levkovich { 3288c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3289c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3290c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3291c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3292c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3293c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3294c7569097SAriel Levkovich u32 reformat_and_fwd; 3295c7569097SAriel Levkovich u32 max_chain; 3296c7569097SAriel Levkovich 3297c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3298c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3299c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3300c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3301c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3302c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3303c7569097SAriel Levkovich 3304c7569097SAriel Levkovich if (ft_flow) { 3305c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3306c7569097SAriel Levkovich return -EOPNOTSUPP; 3307c7569097SAriel Levkovich } 3308c7569097SAriel Levkovich 3309c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3310c7569097SAriel Levkovich dest_chain <= attr->chain) { 3311c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3312c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3313c7569097SAriel Levkovich return -EOPNOTSUPP; 3314c7569097SAriel Levkovich } 3315c7569097SAriel Levkovich 3316c7569097SAriel Levkovich if (dest_chain > max_chain) { 3317c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3318c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3319c7569097SAriel Levkovich return -EOPNOTSUPP; 3320c7569097SAriel Levkovich } 3321c7569097SAriel Levkovich 3322c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3323c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3324c7569097SAriel Levkovich !reformat_and_fwd) { 3325c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3326c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3327c7569097SAriel Levkovich return -EOPNOTSUPP; 3328c7569097SAriel Levkovich } 3329c7569097SAriel Levkovich 3330c7569097SAriel Levkovich return 0; 3331c7569097SAriel Levkovich } 3332c7569097SAriel Levkovich 333373867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 333473867881SPablo Neira Ayuso struct flow_action *flow_action, 3335e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3336e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3337e3a2b7edSAmir Vadai { 3338c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3339c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 334073867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 334173867881SPablo Neira Ayuso const struct flow_action_entry *act; 3342c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 33431cab1cd7SOr Gerlitz u32 action = 0; 3344244cd96aSCong Wang int err, i; 3345e3a2b7edSAmir Vadai 334673867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3347e3a2b7edSAmir Vadai return -EINVAL; 3348e3a2b7edSAmir Vadai 334953eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 335053eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3351319a1d19SJiri Pirko return -EOPNOTSUPP; 3352319a1d19SJiri Pirko 3353c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3354c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3355c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3356e3a2b7edSAmir Vadai 335773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 335873867881SPablo Neira Ayuso switch (act->id) { 335915fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 336015fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 336115fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 336215fc92ecSTonghao Zhang break; 336373867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 3364950b4df9SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 3365950b4df9SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 336673867881SPablo Neira Ayuso break; 336773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 336873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 336973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3370582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 33712f4fe4caSOr Gerlitz if (err) 33722f4fe4caSOr Gerlitz return err; 33732f4fe4caSOr Gerlitz 3374c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 337573867881SPablo Neira Ayuso break; 3376bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3377bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3378bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3379bdc837eeSEli Britstein act, parse_attr, hdrs, 3380bdc837eeSEli Britstein &action, extack); 3381bdc837eeSEli Britstein if (err) 3382bdc837eeSEli Britstein return err; 3383bdc837eeSEli Britstein 3384bdc837eeSEli Britstein break; 338573867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 33861cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 338773867881SPablo Neira Ayuso act->csum_flags, 3388e98bedf5SEli Britstein extack)) 338973867881SPablo Neira Ayuso break; 339026c02749SOr Gerlitz 339126c02749SOr Gerlitz return -EOPNOTSUPP; 339273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 339373867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 33945c65c564SOr Gerlitz 33955c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 33965c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 339798b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3398226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 33991cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 34005c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 34015c65c564SOr Gerlitz } else { 3402e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3403e98bedf5SEli Britstein "device is not on same HW, can't offload"); 34045c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 34055c65c564SOr Gerlitz peer_dev->name); 340625f150f4SRoi Dayan return -EOPNOTSUPP; 34075c65c564SOr Gerlitz } 34085c65c564SOr Gerlitz } 340973867881SPablo Neira Ayuso break; 341073867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 341173867881SPablo Neira Ayuso u32 mark = act->mark; 3412e3a2b7edSAmir Vadai 3413e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3414e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3415e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 341625f150f4SRoi Dayan return -EOPNOTSUPP; 3417e3a2b7edSAmir Vadai } 3418e3a2b7edSAmir Vadai 3419c620b772SAriel Levkovich nic_attr->flow_tag = mark; 34201cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3421e3a2b7edSAmir Vadai } 342273867881SPablo Neira Ayuso break; 3423c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3424c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3425c7569097SAriel Levkovich extack); 3426c7569097SAriel Levkovich if (err) 3427c7569097SAriel Levkovich return err; 3428c7569097SAriel Levkovich 3429c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3430c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3431c7569097SAriel Levkovich break; 3432aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3433aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3434aedd133dSAriel Levkovich if (err) 3435aedd133dSAriel Levkovich return err; 3436aedd133dSAriel Levkovich 3437aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3438aedd133dSAriel Levkovich break; 343973867881SPablo Neira Ayuso default: 34402cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 34412cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3442e3a2b7edSAmir Vadai } 344373867881SPablo Neira Ayuso } 3444e3a2b7edSAmir Vadai 3445c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3446c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3447c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 344827c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3449c500c86bSPablo Neira Ayuso if (err) 3450c500c86bSPablo Neira Ayuso return err; 345127c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 345227c11b6bSEli Britstein * flag. 345327c11b6bSEli Britstein */ 34546ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 345527c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 34566ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3457e7739a60SEli Britstein } 3458c500c86bSPablo Neira Ayuso } 3459c500c86bSPablo Neira Ayuso 34601cab1cd7SOr Gerlitz attr->action = action; 3461c7569097SAriel Levkovich 3462c7569097SAriel Levkovich if (attr->dest_chain) { 3463c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3464c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3465c7569097SAriel Levkovich return -EOPNOTSUPP; 3466c7569097SAriel Levkovich } 3467c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3468c7569097SAriel Levkovich } 3469c7569097SAriel Levkovich 3470c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 3471c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3472c7569097SAriel Levkovich 347373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3474bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3475bdd66ac0SOr Gerlitz 3476e3a2b7edSAmir Vadai return 0; 3477e3a2b7edSAmir Vadai } 3478e3a2b7edSAmir Vadai 347932134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3480b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3481b1d90e6bSRabie Loulou { 3482b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3483b1d90e6bSRabie Loulou 3484b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3485b1d90e6bSRabie Loulou 3486b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 348732134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 348832134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 348968931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3490b1d90e6bSRabie Loulou } 3491b1d90e6bSRabie Loulou 34921482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 349373867881SPablo Neira Ayuso const struct flow_action_entry *act, 34941482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 34951482bd3dSJianbo Liu u32 *action) 34961482bd3dSJianbo Liu { 3497cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3498cc495188SJianbo Liu 3499cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 35001482bd3dSJianbo Liu return -EOPNOTSUPP; 3501cc495188SJianbo Liu 350273867881SPablo Neira Ayuso switch (act->id) { 350373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3504cc495188SJianbo Liu if (vlan_idx) { 3505cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3506cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3507cc495188SJianbo Liu return -EOPNOTSUPP; 3508cc495188SJianbo Liu 3509cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3510cc495188SJianbo Liu } else { 3511cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3512cc495188SJianbo Liu } 351373867881SPablo Neira Ayuso break; 351473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 351573867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 351673867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 351773867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3518cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3519cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3520cc495188SJianbo Liu 3521cc495188SJianbo Liu if (vlan_idx) { 3522cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3523cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3524cc495188SJianbo Liu return -EOPNOTSUPP; 3525cc495188SJianbo Liu 3526cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3527cc495188SJianbo Liu } else { 3528cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 352973867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 353073867881SPablo Neira Ayuso act->vlan.prio)) 3531cc495188SJianbo Liu return -EOPNOTSUPP; 3532cc495188SJianbo Liu 3533cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 35341482bd3dSJianbo Liu } 353573867881SPablo Neira Ayuso break; 353673867881SPablo Neira Ayuso default: 3537bdc837eeSEli Britstein return -EINVAL; 35381482bd3dSJianbo Liu } 35391482bd3dSJianbo Liu 3540cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3541cc495188SJianbo Liu 35421482bd3dSJianbo Liu return 0; 35431482bd3dSJianbo Liu } 35441482bd3dSJianbo Liu 3545d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3546d34eb2fcSOr Gerlitz struct net_device *out_dev) 3547d34eb2fcSOr Gerlitz { 3548d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3549d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3550d34eb2fcSOr Gerlitz 3551d34eb2fcSOr Gerlitz rcu_read_lock(); 3552d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3553d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3554d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3555d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3556d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3557d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3558d34eb2fcSOr Gerlitz if (fdb_out_dev && 3559d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3560d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3561d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3562d34eb2fcSOr Gerlitz } 3563d34eb2fcSOr Gerlitz rcu_read_unlock(); 3564d34eb2fcSOr Gerlitz return fdb_out_dev; 3565d34eb2fcSOr Gerlitz } 3566d34eb2fcSOr Gerlitz 3567278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3568c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3569278748a9SEli Britstein struct net_device **out_dev, 3570278748a9SEli Britstein u32 *action) 3571278748a9SEli Britstein { 3572278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3573278748a9SEli Britstein struct flow_action_entry vlan_act = { 3574278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3575278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3576278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3577278748a9SEli Britstein .vlan.prio = 0, 3578278748a9SEli Britstein }; 3579278748a9SEli Britstein int err; 3580278748a9SEli Britstein 3581c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 3582278748a9SEli Britstein if (err) 3583278748a9SEli Britstein return err; 3584278748a9SEli Britstein 3585dca59f4aSDima Chumak rcu_read_lock(); 3586dca59f4aSDima Chumak *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev)); 3587dca59f4aSDima Chumak rcu_read_unlock(); 3588dca59f4aSDima Chumak if (!*out_dev) 3589dca59f4aSDima Chumak return -ENODEV; 3590dca59f4aSDima Chumak 3591278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3592278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3593278748a9SEli Britstein 3594278748a9SEli Britstein return err; 3595278748a9SEli Britstein } 3596278748a9SEli Britstein 359735a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3598c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 359935a605dbSEli Britstein u32 *action) 360035a605dbSEli Britstein { 360135a605dbSEli Britstein struct flow_action_entry vlan_act = { 360235a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 360335a605dbSEli Britstein }; 360470f478caSDmytro Linkin int nest_level, err = 0; 360535a605dbSEli Britstein 360670f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 360770f478caSDmytro Linkin priv->netdev->lower_level; 360835a605dbSEli Britstein while (nest_level--) { 3609c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 361035a605dbSEli Britstein if (err) 361135a605dbSEli Britstein return err; 361235a605dbSEli Britstein } 361335a605dbSEli Britstein 361435a605dbSEli Britstein return err; 361535a605dbSEli Britstein } 361635a605dbSEli Britstein 361732134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 361832134847SMaor Dickman struct net_device *peer_netdev) 361932134847SMaor Dickman { 362032134847SMaor Dickman struct mlx5e_priv *peer_priv; 362132134847SMaor Dickman 362232134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 362332134847SMaor Dickman 362432134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 362532134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 362632134847SMaor Dickman same_hw_devs(priv, peer_priv); 362732134847SMaor Dickman } 362832134847SMaor Dickman 362932134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 363032134847SMaor Dickman struct net_device *peer_netdev) 363132134847SMaor Dickman { 363232134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 363332134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 363432134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 363532134847SMaor Dickman } 363632134847SMaor Dickman 3637f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3638f6dc1264SPaul Blakey struct net_device *out_dev) 3639f6dc1264SPaul Blakey { 364032134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 364132134847SMaor Dickman return true; 364232134847SMaor Dickman 364332134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3644f6dc1264SPaul Blakey return true; 3645f6dc1264SPaul Blakey 3646f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 364732134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3648f6dc1264SPaul Blakey } 3649f6dc1264SPaul Blakey 3650554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3651554fe75cSDmytro Linkin struct net_device *out_dev, 3652554fe75cSDmytro Linkin int *ifindexes, int if_count, 3653554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3654554fe75cSDmytro Linkin { 3655554fe75cSDmytro Linkin int i; 3656554fe75cSDmytro Linkin 3657554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3658554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3659554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3660554fe75cSDmytro Linkin "can't duplicate output to same device"); 3661554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3662554fe75cSDmytro Linkin out_dev->name); 3663554fe75cSDmytro Linkin return true; 3664554fe75cSDmytro Linkin } 3665554fe75cSDmytro Linkin } 3666554fe75cSDmytro Linkin 3667554fe75cSDmytro Linkin return false; 3668554fe75cSDmytro Linkin } 3669554fe75cSDmytro Linkin 3670613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3671613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3672613f53feSEli Cohen struct net_device *out_dev, 3673613f53feSEli Cohen struct netlink_ext_ack *extack) 3674613f53feSEli Cohen { 3675c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3676613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3677613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3678613f53feSEli Cohen 3679613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3680613f53feSEli Cohen * uplink ports is allowed only if 3681613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3682613f53feSEli Cohen * 3683c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3684613f53feSEli Cohen * In LAG case, *priv* is the private data of 3685613f53feSEli Cohen * uplink which may be not the input vport. 3686613f53feSEli Cohen */ 3687613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3688613f53feSEli Cohen 3689613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3690613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3691613f53feSEli Cohen return 0; 3692613f53feSEli Cohen 3693613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3694613f53feSEli Cohen termination_table_raw_traffic)) { 3695613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3696613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3697613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3698613f53feSEli Cohen priv->netdev->name, out_dev->name); 3699613f53feSEli Cohen return -EOPNOTSUPP; 3700613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3701613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3702613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3703613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3704613f53feSEli Cohen priv->netdev->name, out_dev->name); 3705613f53feSEli Cohen return -EOPNOTSUPP; 3706613f53feSEli Cohen } 3707613f53feSEli Cohen return 0; 3708613f53feSEli Cohen } 3709613f53feSEli Cohen 371073867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 371173867881SPablo Neira Ayuso struct flow_action *flow_action, 3712e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 371370f8019eSRoi Dayan struct netlink_ext_ack *extack) 3714a54e20b4SHadar Hen Zion { 371573867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3716bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3717c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 37181d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 371973867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3720c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3721554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 372284179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 372373867881SPablo Neira Ayuso const struct flow_action_entry *act; 3724c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 3725*0027d70cSChris Mi struct mlx5e_sample_attr sample = {}; 37260a7fcb78SPaul Blakey bool encap = false, decap = false; 37270a7fcb78SPaul Blakey u32 action = attr->action; 3728554fe75cSDmytro Linkin int err, i, if_count = 0; 3729f828ca6aSEli Cohen bool mpls_push = false; 373003a9d11eSOr Gerlitz 373173867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 373203a9d11eSOr Gerlitz return -EINVAL; 373303a9d11eSOr Gerlitz 373453eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 373553eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3736319a1d19SJiri Pirko return -EOPNOTSUPP; 3737319a1d19SJiri Pirko 3738c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3739c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3740c620b772SAriel Levkovich 374173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 374273867881SPablo Neira Ayuso switch (act->id) { 374373867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 37441cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 374503a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 374673867881SPablo Neira Ayuso break; 3747f0288210SEli Cohen case FLOW_ACTION_TRAP: 3748f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3749f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 3750f0288210SEli Cohen "action trap is supported as a sole action only"); 3751f0288210SEli Cohen return -EOPNOTSUPP; 3752f0288210SEli Cohen } 3753f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3754f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 3755f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 3756f0288210SEli Cohen break; 3757f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3758f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3759f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3760f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3761f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3762f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3763f828ca6aSEli Cohen return -EOPNOTSUPP; 3764f828ca6aSEli Cohen } 3765f828ca6aSEli Cohen mpls_push = true; 3766f828ca6aSEli Cohen break; 376714e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 376814e6b038SEli Cohen /* we only support mpls pop if it is the first action 376914e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 377014e6b038SEli Cohen * actions can be pedit and the last can be mirred 377114e6b038SEli Cohen * egress redirect. 377214e6b038SEli Cohen */ 377314e6b038SEli Cohen if (i) { 377414e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 377514e6b038SEli Cohen "mpls pop supported only as first action"); 377614e6b038SEli Cohen return -EOPNOTSUPP; 377714e6b038SEli Cohen } 377870f8019eSRoi Dayan if (!netif_is_bareudp(parse_attr->filter_dev)) { 377914e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 378014e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 378114e6b038SEli Cohen return -EOPNOTSUPP; 378214e6b038SEli Cohen } 378314e6b038SEli Cohen 378414e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 378514e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 378614e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 378714e6b038SEli Cohen break; 378873867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 378973867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 379073867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3791582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3792d7e75a32SOr Gerlitz if (err) 3793d7e75a32SOr Gerlitz return err; 3794d7e75a32SOr Gerlitz 3795582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 37961cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3797c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3798582234b4SEli Cohen } 379973867881SPablo Neira Ayuso break; 380073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 38011cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 380273867881SPablo Neira Ayuso act->csum_flags, extack)) 380373867881SPablo Neira Ayuso break; 380426c02749SOr Gerlitz 380526c02749SOr Gerlitz return -EOPNOTSUPP; 380673867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 380773867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 380803a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3809592d3651SChris Mi struct net_device *out_dev; 381003a9d11eSOr Gerlitz 381173867881SPablo Neira Ayuso out_dev = act->dev; 3812ef381359SOz Shlomo if (!out_dev) { 3813ef381359SOz Shlomo /* out_dev is NULL when filters with 3814ef381359SOz Shlomo * non-existing mirred device are replayed to 3815ef381359SOz Shlomo * the driver. 3816ef381359SOz Shlomo */ 3817ef381359SOz Shlomo return -EINVAL; 3818ef381359SOz Shlomo } 381903a9d11eSOr Gerlitz 3820f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3821f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3822f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3823f828ca6aSEli Cohen return -EOPNOTSUPP; 3824f828ca6aSEli Cohen } 3825f828ca6aSEli Cohen 382684179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 382784179981SPaul Blakey /* Ignore forward to self rules generated 382884179981SPaul Blakey * by adding both mlx5 devs to the flow table 382984179981SPaul Blakey * block on a normal nft offload setup. 383084179981SPaul Blakey */ 383184179981SPaul Blakey return -EOPNOTSUPP; 383284179981SPaul Blakey } 383384179981SPaul Blakey 3834c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3835e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3836e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 38374ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38384ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3839c620b772SAriel Levkovich esw_attr->out_count); 3840592d3651SChris Mi return -EOPNOTSUPP; 3841592d3651SChris Mi } 3842592d3651SChris Mi 3843f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3844f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3845b6a4ac24SVlad Buslov if (encap) { 3846c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 3847b6a4ac24SVlad Buslov out_dev->ifindex; 38480d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 38490d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 3850c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 3851b6a4ac24SVlad Buslov return -ENOMEM; 3852b6a4ac24SVlad Buslov encap = false; 3853c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 3854b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3855c620b772SAriel Levkovich esw_attr->out_count++; 3856b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3857b6a4ac24SVlad Buslov * handle encap 3858b6a4ac24SVlad Buslov */ 3859b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 38607ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 38617ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 38627ba58ba7SRabie Loulou 3863554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3864554fe75cSDmytro Linkin out_dev, 3865554fe75cSDmytro Linkin ifindexes, 3866554fe75cSDmytro Linkin if_count, 3867554fe75cSDmytro Linkin extack)) 3868554fe75cSDmytro Linkin return -EOPNOTSUPP; 3869554fe75cSDmytro Linkin 3870554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3871554fe75cSDmytro Linkin if_count++; 3872554fe75cSDmytro Linkin 3873d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 3874d34eb2fcSOr Gerlitz if (!out_dev) 3875d34eb2fcSOr Gerlitz return -ENODEV; 38767ba58ba7SRabie Loulou 3877278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3878278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3879278748a9SEli Britstein &out_dev, 3880278748a9SEli Britstein &action); 3881278748a9SEli Britstein if (err) 3882278748a9SEli Britstein return err; 3883278748a9SEli Britstein } 3884f6dc1264SPaul Blakey 388535a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 388635a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 388735a605dbSEli Britstein &action); 388835a605dbSEli Britstein if (err) 388935a605dbSEli Britstein return err; 389035a605dbSEli Britstein } 3891278748a9SEli Britstein 3892613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 3893613f53feSEli Cohen if (err) 3894613f53feSEli Cohen return err; 3895ffec9702STonghao Zhang 3896f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3897f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3898f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3899a0646c88SEli Britstein return -EOPNOTSUPP; 3900f6dc1264SPaul Blakey } 3901a0646c88SEli Britstein 3902bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 3903bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3904bb569657SAriel Levkovich "can't forward from a VF to itself"); 3905bb569657SAriel Levkovich return -EOPNOTSUPP; 3906bb569657SAriel Levkovich } 3907bb569657SAriel Levkovich 390803a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 39091d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3910c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 3911c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 3912c620b772SAriel Levkovich esw_attr->out_count++; 3913ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3914ef381359SOz Shlomo /* All mlx5 devices are called to configure 3915ef381359SOz Shlomo * high level device filters. Therefore, the 3916ef381359SOz Shlomo * *attempt* to install a filter on invalid 3917ef381359SOz Shlomo * eswitch should not trigger an explicit error 3918ef381359SOz Shlomo */ 3919ef381359SOz Shlomo return -EINVAL; 3920a54e20b4SHadar Hen Zion } else { 3921e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3922e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 39234ccd83f4SRoi Dayan netdev_warn(priv->netdev, 39244ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 39254ccd83f4SRoi Dayan priv->netdev->name, 39264ccd83f4SRoi Dayan out_dev->name); 392725f150f4SRoi Dayan return -EOPNOTSUPP; 3928a54e20b4SHadar Hen Zion } 3929a54e20b4SHadar Hen Zion } 393073867881SPablo Neira Ayuso break; 393173867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 393273867881SPablo Neira Ayuso info = act->tunnel; 3933a54e20b4SHadar Hen Zion if (info) 3934a54e20b4SHadar Hen Zion encap = true; 3935a54e20b4SHadar Hen Zion else 3936a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 393703a9d11eSOr Gerlitz 393873867881SPablo Neira Ayuso break; 393973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 394073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 394176b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 394276b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 394376b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 394476b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 394576b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 394676b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 394776b496b1SEli Britstein act, parse_attr, hdrs, 394876b496b1SEli Britstein &action, extack); 394976b496b1SEli Britstein } else { 3950c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 395176b496b1SEli Britstein } 39521482bd3dSJianbo Liu if (err) 39531482bd3dSJianbo Liu return err; 39541482bd3dSJianbo Liu 3955c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 395673867881SPablo Neira Ayuso break; 3957bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3958bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3959bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3960bdc837eeSEli Britstein act, parse_attr, hdrs, 3961bdc837eeSEli Britstein &action, extack); 3962bdc837eeSEli Britstein if (err) 3963bdc837eeSEli Britstein return err; 3964bdc837eeSEli Britstein 3965c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3966bdc837eeSEli Britstein break; 396773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 39680a7fcb78SPaul Blakey decap = true; 396973867881SPablo Neira Ayuso break; 39702fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 3971c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 39722fbbc30dSEli Cohen extack); 39732fbbc30dSEli Cohen if (err) 39742fbbc30dSEli Cohen return err; 3975bf07aa73SPaul Blakey 3976e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 39772fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 397873867881SPablo Neira Ayuso break; 39794c3844d9SPaul Blakey case FLOW_ACTION_CT: 398041c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 398141c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 398241c2fd94SChris Mi return -EOPNOTSUPP; 398341c2fd94SChris Mi } 3984aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 39854c3844d9SPaul Blakey if (err) 39864c3844d9SPaul Blakey return err; 39874c3844d9SPaul Blakey 39884c3844d9SPaul Blakey flow_flag_set(flow, CT); 398969e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 39904c3844d9SPaul Blakey break; 399141c2fd94SChris Mi case FLOW_ACTION_SAMPLE: 399241c2fd94SChris Mi if (flow_flag_test(flow, CT)) { 399341c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 399441c2fd94SChris Mi return -EOPNOTSUPP; 399541c2fd94SChris Mi } 399641c2fd94SChris Mi sample.rate = act->sample.rate; 399741c2fd94SChris Mi sample.group_num = act->sample.psample_group->group_num; 399841c2fd94SChris Mi if (act->sample.truncate) 399941c2fd94SChris Mi sample.trunc_size = act->sample.trunc_size; 400041c2fd94SChris Mi flow_flag_set(flow, SAMPLE); 400141c2fd94SChris Mi break; 400273867881SPablo Neira Ayuso default: 40032cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 40042cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 400503a9d11eSOr Gerlitz } 400673867881SPablo Neira Ayuso } 4007bdd66ac0SOr Gerlitz 4008a508728aSVlad Buslov /* always set IP version for indirect table handling */ 4009a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4010a508728aSVlad Buslov 40110bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 40120bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 40130bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 40140bac1194SEli Britstein * tag rewrite. 40150bac1194SEli Britstein */ 40160bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 40170bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 40180bac1194SEli Britstein &action, extack); 40190bac1194SEli Britstein if (err) 40200bac1194SEli Britstein return err; 40210bac1194SEli Britstein } 40220bac1194SEli Britstein 4023c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4024c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 402584be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 402627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4027c500c86bSPablo Neira Ayuso if (err) 4028c500c86bSPablo Neira Ayuso return err; 402927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 403027c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 403127c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 403227c11b6bSEli Britstein */ 40336ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 403427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 40356ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 403627c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 403727c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 4038c620b772SAriel Levkovich esw_attr->split_count = 0; 403927c11b6bSEli Britstein } 4040c500c86bSPablo Neira Ayuso } 4041c500c86bSPablo Neira Ayuso 40421cab1cd7SOr Gerlitz attr->action = action; 404373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4044bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4045bdd66ac0SOr Gerlitz 4046e88afe75SOr Gerlitz if (attr->dest_chain) { 40470a7fcb78SPaul Blakey if (decap) { 40480a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 40490a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 40500a7fcb78SPaul Blakey * this tunnel id with this decap flow. 40510a7fcb78SPaul Blakey * 40520a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 40530a7fcb78SPaul Blakey * device. 40540a7fcb78SPaul Blakey */ 40550a7fcb78SPaul Blakey 40560a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 40570a7fcb78SPaul Blakey "Decap with goto isn't supported"); 40580a7fcb78SPaul Blakey netdev_warn(priv->netdev, 40590a7fcb78SPaul Blakey "Decap with goto isn't supported"); 40600a7fcb78SPaul Blakey return -EOPNOTSUPP; 40610a7fcb78SPaul Blakey } 40620a7fcb78SPaul Blakey 4063e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4064e88afe75SOr Gerlitz } 4065e88afe75SOr Gerlitz 4066ae2741e2SVlad Buslov if (!(attr->action & 4067ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 406861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 406961644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4070ae2741e2SVlad Buslov return -EOPNOTSUPP; 4071ae2741e2SVlad Buslov } 4072ae2741e2SVlad Buslov 4073c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4074e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4075e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4076592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4077592d3651SChris Mi return -EOPNOTSUPP; 4078592d3651SChris Mi } 4079592d3651SChris Mi 408041c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 408141c2fd94SChris Mi * no errors after parsing. 408241c2fd94SChris Mi */ 408341c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 408441c2fd94SChris Mi esw_attr->sample = kzalloc(sizeof(*esw_attr->sample), GFP_KERNEL); 408541c2fd94SChris Mi if (!esw_attr->sample) 408641c2fd94SChris Mi return -ENOMEM; 408741c2fd94SChris Mi *esw_attr->sample = sample; 408841c2fd94SChris Mi } 408941c2fd94SChris Mi 409031c8eba5SOr Gerlitz return 0; 409103a9d11eSOr Gerlitz } 409203a9d11eSOr Gerlitz 4093226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 409460bd4af8SOr Gerlitz { 4095226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 409660bd4af8SOr Gerlitz 4097226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4098226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4099226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4100226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 410160bd4af8SOr Gerlitz 4102226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4103226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4104226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4105226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 410684179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 410784179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4108d9ee0491SOr Gerlitz 410960bd4af8SOr Gerlitz *flow_flags = __flow_flags; 411060bd4af8SOr Gerlitz } 411160bd4af8SOr Gerlitz 411205866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 411305866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 411405866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 411505866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 411605866c82SOr Gerlitz .automatic_shrinking = true, 411705866c82SOr Gerlitz }; 411805866c82SOr Gerlitz 4119226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4120226f2ca3SVlad Buslov unsigned long flags) 412105866c82SOr Gerlitz { 4122655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4123655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4124655dc3d2SOr Gerlitz 4125226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4126655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4127ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4128d9ee0491SOr Gerlitz } else /* NIC offload */ 412905866c82SOr Gerlitz return &priv->fs.tc.ht; 413005866c82SOr Gerlitz } 413105866c82SOr Gerlitz 413204de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 413304de7ddaSRoi Dayan { 4134c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4135c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4136c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4137226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 41381418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 41391418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4140c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 41411418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 41421418ddd9SAviv Heller 414310fbb1cdSRoi Dayan if (!esw_paired) 414410fbb1cdSRoi Dayan return false; 414510fbb1cdSRoi Dayan 4146c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4147c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 414810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 414910fbb1cdSRoi Dayan return true; 415010fbb1cdSRoi Dayan 415110fbb1cdSRoi Dayan return false; 415204de7ddaSRoi Dayan } 415304de7ddaSRoi Dayan 4154c620b772SAriel Levkovich struct mlx5_flow_attr * 4155c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4156c620b772SAriel Levkovich { 4157c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4158c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4159c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4160c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4161c620b772SAriel Levkovich 4162c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4163c620b772SAriel Levkovich } 4164c620b772SAriel Levkovich 4165a88780a9SRoi Dayan static int 4166a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4167226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4168a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4169a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4170e3a2b7edSAmir Vadai { 417117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4172c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 41733bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4174ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4175ff7ea04aSGustavo A. R. Silva int out_index; 4176776b12b6SOr Gerlitz 4177c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 41781b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4179ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4180ff7ea04aSGustavo A. R. Silva goto err_free; 4181c620b772SAriel Levkovich 4182c620b772SAriel Levkovich flow->flags = flow_flags; 4183c620b772SAriel Levkovich flow->cookie = f->cookie; 4184c620b772SAriel Levkovich flow->priv = priv; 4185c620b772SAriel Levkovich 4186c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4187ff7ea04aSGustavo A. R. Silva if (!attr) 4188e3a2b7edSAmir Vadai goto err_free; 4189ff7ea04aSGustavo A. R. Silva 4190c620b772SAriel Levkovich flow->attr = attr; 4191e3a2b7edSAmir Vadai 41925a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 41935a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 41945a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 419514e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 41965a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 419795435ad7SVlad Buslov init_completion(&flow->init_done); 4198e3a2b7edSAmir Vadai 4199a88780a9SRoi Dayan *__flow = flow; 4200a88780a9SRoi Dayan *__parse_attr = parse_attr; 4201a88780a9SRoi Dayan 4202a88780a9SRoi Dayan return 0; 4203a88780a9SRoi Dayan 4204a88780a9SRoi Dayan err_free: 4205a88780a9SRoi Dayan kfree(flow); 4206a88780a9SRoi Dayan kvfree(parse_attr); 4207a88780a9SRoi Dayan return err; 4208adb4c123SOr Gerlitz } 4209adb4c123SOr Gerlitz 4210988ab9c7STonghao Zhang static void 4211c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4212c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4213c7569097SAriel Levkovich struct flow_cls_offload *f) 4214c7569097SAriel Levkovich { 4215c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4216c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4217c7569097SAriel Levkovich attr->prio = f->common.prio; 4218c7569097SAriel Levkovich } 4219c7569097SAriel Levkovich 4220c7569097SAriel Levkovich static void 4221c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4222988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4223988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4224f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4225988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4226988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4227988ab9c7STonghao Zhang { 4228988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4229c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4230988ab9c7STonghao Zhang 4231c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4232988ab9c7STonghao Zhang 4233988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4234988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4235988ab9c7STonghao Zhang 4236988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4237988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4238988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4239988ab9c7STonghao Zhang else 4240988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4241988ab9c7STonghao Zhang } 4242988ab9c7STonghao Zhang 424371129676SJason Gunthorpe static struct mlx5e_tc_flow * 424404de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4245f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4246226f2ca3SVlad Buslov unsigned long flow_flags, 4247d11afc26SOz Shlomo struct net_device *filter_dev, 424804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 424971129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4250a88780a9SRoi Dayan { 4251f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4252a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4253a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4254a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4255a88780a9SRoi Dayan int attr_size, err; 4256a88780a9SRoi Dayan 4257226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4258a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4259a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4260a88780a9SRoi Dayan &parse_attr, &flow); 4261a88780a9SRoi Dayan if (err) 4262a88780a9SRoi Dayan goto out; 4263988ab9c7STonghao Zhang 4264d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4265c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4266988ab9c7STonghao Zhang priv, parse_attr, 4267988ab9c7STonghao Zhang f, in_rep, in_mdev); 4268988ab9c7STonghao Zhang 426954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 427054c177caSOz Shlomo f, filter_dev); 4271d11afc26SOz Shlomo if (err) 4272d11afc26SOz Shlomo goto err_free; 4273a88780a9SRoi Dayan 42747e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4275aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4276c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4277a88780a9SRoi Dayan if (err) 4278a88780a9SRoi Dayan goto err_free; 4279a88780a9SRoi Dayan 428070f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 42814c3844d9SPaul Blakey if (err) 42824c3844d9SPaul Blakey goto err_free; 42834c3844d9SPaul Blakey 42847040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 428595435ad7SVlad Buslov complete_all(&flow->init_done); 4286ef06c9eeSRoi Dayan if (err) { 4287ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4288aa0cbbaeSOr Gerlitz goto err_free; 42895c40348cSOr Gerlitz 4290b4a23329SRoi Dayan add_unready_flow(flow); 4291ef06c9eeSRoi Dayan } 4292ef06c9eeSRoi Dayan 429371129676SJason Gunthorpe return flow; 4294e3a2b7edSAmir Vadai 4295e3a2b7edSAmir Vadai err_free: 42965a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4297a88780a9SRoi Dayan out: 429871129676SJason Gunthorpe return ERR_PTR(err); 4299a88780a9SRoi Dayan } 4300a88780a9SRoi Dayan 4301f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 430295dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4303226f2ca3SVlad Buslov unsigned long flow_flags) 430404de7ddaSRoi Dayan { 430504de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 430604de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4307c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 430804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 430904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 431004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 431104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 431204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 431304de7ddaSRoi Dayan int err = 0; 431404de7ddaSRoi Dayan 431504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 431604de7ddaSRoi Dayan if (!peer_esw) 431704de7ddaSRoi Dayan return -ENODEV; 431804de7ddaSRoi Dayan 431904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 432004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 432104de7ddaSRoi Dayan 432204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 432304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 432404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 432504de7ddaSRoi Dayan * peer mdev. 432604de7ddaSRoi Dayan */ 4327c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 432804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 432904de7ddaSRoi Dayan else 433004de7ddaSRoi Dayan in_mdev = priv->mdev; 433104de7ddaSRoi Dayan 4332c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 433395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 433404de7ddaSRoi Dayan parse_attr->filter_dev, 4335c620b772SAriel Levkovich attr->in_rep, in_mdev); 433671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 433771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 433804de7ddaSRoi Dayan goto out; 433971129676SJason Gunthorpe } 434004de7ddaSRoi Dayan 434104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4342226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 434304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 434404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 434504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 434604de7ddaSRoi Dayan 434704de7ddaSRoi Dayan out: 434804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 434904de7ddaSRoi Dayan return err; 435004de7ddaSRoi Dayan } 435104de7ddaSRoi Dayan 435204de7ddaSRoi Dayan static int 435304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4354f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4355226f2ca3SVlad Buslov unsigned long flow_flags, 435604de7ddaSRoi Dayan struct net_device *filter_dev, 435704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 435804de7ddaSRoi Dayan { 435904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 436004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 436104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 436204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 436304de7ddaSRoi Dayan int err; 436404de7ddaSRoi Dayan 436571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 436671129676SJason Gunthorpe in_mdev); 436771129676SJason Gunthorpe if (IS_ERR(flow)) 436871129676SJason Gunthorpe return PTR_ERR(flow); 436904de7ddaSRoi Dayan 437004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 437195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 437204de7ddaSRoi Dayan if (err) { 437304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 437404de7ddaSRoi Dayan goto out; 437504de7ddaSRoi Dayan } 437604de7ddaSRoi Dayan } 437704de7ddaSRoi Dayan 437804de7ddaSRoi Dayan *__flow = flow; 437904de7ddaSRoi Dayan 438004de7ddaSRoi Dayan return 0; 438104de7ddaSRoi Dayan 438204de7ddaSRoi Dayan out: 438304de7ddaSRoi Dayan return err; 438404de7ddaSRoi Dayan } 438504de7ddaSRoi Dayan 4386a88780a9SRoi Dayan static int 4387a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4388f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4389226f2ca3SVlad Buslov unsigned long flow_flags, 4390d11afc26SOz Shlomo struct net_device *filter_dev, 4391a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4392a88780a9SRoi Dayan { 4393f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4394a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4395a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4396a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4397a88780a9SRoi Dayan int attr_size, err; 4398a88780a9SRoi Dayan 4399c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4400bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4401bf07aa73SPaul Blakey return -EOPNOTSUPP; 4402c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4403c7569097SAriel Levkovich return -EOPNOTSUPP; 4404c7569097SAriel Levkovich } 4405bf07aa73SPaul Blakey 4406226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4407a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4408a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4409a88780a9SRoi Dayan &parse_attr, &flow); 4410a88780a9SRoi Dayan if (err) 4411a88780a9SRoi Dayan goto out; 4412a88780a9SRoi Dayan 4413d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4414c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4415c7569097SAriel Levkovich 441654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 441754c177caSOz Shlomo f, filter_dev); 4418d11afc26SOz Shlomo if (err) 4419d11afc26SOz Shlomo goto err_free; 4420d11afc26SOz Shlomo 4421aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4422aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4423aedd133dSAriel Levkovich if (err) 4424aedd133dSAriel Levkovich goto err_free; 4425aedd133dSAriel Levkovich 4426c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4427a88780a9SRoi Dayan if (err) 4428a88780a9SRoi Dayan goto err_free; 4429a88780a9SRoi Dayan 4430c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4431a88780a9SRoi Dayan if (err) 4432a88780a9SRoi Dayan goto err_free; 4433a88780a9SRoi Dayan 4434226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4435a88780a9SRoi Dayan *__flow = flow; 4436a88780a9SRoi Dayan 4437a88780a9SRoi Dayan return 0; 4438a88780a9SRoi Dayan 4439a88780a9SRoi Dayan err_free: 44408914add2SVlad Buslov flow_flag_set(flow, FAILED); 4441e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 44425a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4443a88780a9SRoi Dayan out: 4444a88780a9SRoi Dayan return err; 4445a88780a9SRoi Dayan } 4446a88780a9SRoi Dayan 4447a88780a9SRoi Dayan static int 4448a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4449f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4450226f2ca3SVlad Buslov unsigned long flags, 4451d11afc26SOz Shlomo struct net_device *filter_dev, 4452a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4453a88780a9SRoi Dayan { 4454a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4455226f2ca3SVlad Buslov unsigned long flow_flags; 4456a88780a9SRoi Dayan int err; 4457a88780a9SRoi Dayan 4458a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4459a88780a9SRoi Dayan 4460bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4461bf07aa73SPaul Blakey return -EOPNOTSUPP; 4462bf07aa73SPaul Blakey 4463f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4464d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4465d11afc26SOz Shlomo filter_dev, flow); 4466a88780a9SRoi Dayan else 4467d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4468d11afc26SOz Shlomo filter_dev, flow); 4469a88780a9SRoi Dayan 4470a88780a9SRoi Dayan return err; 4471a88780a9SRoi Dayan } 4472a88780a9SRoi Dayan 4473553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4474553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4475553f9328SVu Pham { 4476553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 44772fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 44782fb15e72SVlad Buslov * function is called from NIC mode. 4479553f9328SVu Pham */ 44802fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4481553f9328SVu Pham } 4482553f9328SVu Pham 448371d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4484226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4485a88780a9SRoi Dayan { 4486a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4487d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4488553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4489a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4490a88780a9SRoi Dayan int err = 0; 4491a88780a9SRoi Dayan 44927dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 44937dc84de9SRoi Dayan return -EAGAIN; 44947dc84de9SRoi Dayan 44957dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 44967dc84de9SRoi Dayan 4497c5d326b2SVlad Buslov rcu_read_lock(); 4498c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4499a88780a9SRoi Dayan if (flow) { 4500553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4501553f9328SVu Pham * just return 0. 4502553f9328SVu Pham */ 4503553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4504c1aea9e1SVlad Buslov goto rcu_unlock; 4505553f9328SVu Pham 4506a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4507a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4508a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4509a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4510a88780a9SRoi Dayan f->cookie); 45110e1c1a2fSVlad Buslov err = -EEXIST; 4512c1aea9e1SVlad Buslov goto rcu_unlock; 4513a88780a9SRoi Dayan } 4514c1aea9e1SVlad Buslov rcu_unlock: 4515c1aea9e1SVlad Buslov rcu_read_unlock(); 4516c1aea9e1SVlad Buslov if (flow) 4517c1aea9e1SVlad Buslov goto out; 4518a88780a9SRoi Dayan 45197a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4520d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4521a88780a9SRoi Dayan if (err) 4522a88780a9SRoi Dayan goto out; 4523a88780a9SRoi Dayan 4524553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4525553f9328SVu Pham * set the flow's owner dev. 4526553f9328SVu Pham */ 4527553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4528553f9328SVu Pham flow->orig_dev = dev; 4529553f9328SVu Pham 4530c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4531a88780a9SRoi Dayan if (err) 4532a88780a9SRoi Dayan goto err_free; 4533a88780a9SRoi Dayan 45347dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4535a88780a9SRoi Dayan return 0; 4536a88780a9SRoi Dayan 4537a88780a9SRoi Dayan err_free: 45385a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4539a88780a9SRoi Dayan out: 45407dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 45417dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4542e3a2b7edSAmir Vadai return err; 4543e3a2b7edSAmir Vadai } 4544e3a2b7edSAmir Vadai 45458f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 45468f8ae895SOr Gerlitz { 4547226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4548226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 45498f8ae895SOr Gerlitz 4550226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4551226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 45528f8ae895SOr Gerlitz } 45538f8ae895SOr Gerlitz 455471d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4555226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4556e3a2b7edSAmir Vadai { 4557d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4558e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4559c5d326b2SVlad Buslov int err; 4560e3a2b7edSAmir Vadai 4561c5d326b2SVlad Buslov rcu_read_lock(); 4562ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4563c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4564c5d326b2SVlad Buslov err = -EINVAL; 4565c5d326b2SVlad Buslov goto errout; 4566c5d326b2SVlad Buslov } 4567e3a2b7edSAmir Vadai 4568c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4569c5d326b2SVlad Buslov * set. 4570c5d326b2SVlad Buslov */ 4571c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4572c5d326b2SVlad Buslov err = -EINVAL; 4573c5d326b2SVlad Buslov goto errout; 4574c5d326b2SVlad Buslov } 457505866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4576c5d326b2SVlad Buslov rcu_read_unlock(); 4577e3a2b7edSAmir Vadai 45787a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 45795a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4580e3a2b7edSAmir Vadai 45817dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4582e3a2b7edSAmir Vadai return 0; 4583c5d326b2SVlad Buslov 4584c5d326b2SVlad Buslov errout: 4585c5d326b2SVlad Buslov rcu_read_unlock(); 4586c5d326b2SVlad Buslov return err; 4587e3a2b7edSAmir Vadai } 4588e3a2b7edSAmir Vadai 458971d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4590226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4591aad7e08dSAmir Vadai { 459204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4593d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 459404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4595aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4596aad7e08dSAmir Vadai struct mlx5_fc *counter; 4597316d5f72SRoi Dayan u64 lastuse = 0; 4598316d5f72SRoi Dayan u64 packets = 0; 4599316d5f72SRoi Dayan u64 bytes = 0; 46005a7e5bcbSVlad Buslov int err = 0; 4601aad7e08dSAmir Vadai 4602c5d326b2SVlad Buslov rcu_read_lock(); 4603c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 46045a7e5bcbSVlad Buslov tc_ht_params)); 4605c5d326b2SVlad Buslov rcu_read_unlock(); 46065a7e5bcbSVlad Buslov if (IS_ERR(flow)) 46075a7e5bcbSVlad Buslov return PTR_ERR(flow); 46085a7e5bcbSVlad Buslov 46095a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 46105a7e5bcbSVlad Buslov err = -EINVAL; 46115a7e5bcbSVlad Buslov goto errout; 46125a7e5bcbSVlad Buslov } 4613aad7e08dSAmir Vadai 46144c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4615b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4616aad7e08dSAmir Vadai if (!counter) 46175a7e5bcbSVlad Buslov goto errout; 4618aad7e08dSAmir Vadai 4619aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4620316d5f72SRoi Dayan } 4621aad7e08dSAmir Vadai 4622316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4623316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4624316d5f72SRoi Dayan */ 462504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 462604de7ddaSRoi Dayan if (!peer_esw) 462704de7ddaSRoi Dayan goto out; 462804de7ddaSRoi Dayan 4629226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4630226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 463104de7ddaSRoi Dayan u64 bytes2; 463204de7ddaSRoi Dayan u64 packets2; 463304de7ddaSRoi Dayan u64 lastuse2; 463404de7ddaSRoi Dayan 463504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4636316d5f72SRoi Dayan if (!counter) 4637316d5f72SRoi Dayan goto no_peer_counter; 463804de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 463904de7ddaSRoi Dayan 464004de7ddaSRoi Dayan bytes += bytes2; 464104de7ddaSRoi Dayan packets += packets2; 464204de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 464304de7ddaSRoi Dayan } 464404de7ddaSRoi Dayan 4645316d5f72SRoi Dayan no_peer_counter: 464604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 464704de7ddaSRoi Dayan out: 46484b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 464993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 46507a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 46515a7e5bcbSVlad Buslov errout: 46525a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 46535a7e5bcbSVlad Buslov return err; 4654aad7e08dSAmir Vadai } 4655aad7e08dSAmir Vadai 46561fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4657fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4658fcb64c0fSEli Cohen { 4659fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4660fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 46611fe3e316SParav Pandit u32 rate_mbps = 0; 4662fcb64c0fSEli Cohen u16 vport_num; 4663fcb64c0fSEli Cohen int err; 4664fcb64c0fSEli Cohen 4665e401a184SEli Cohen vport_num = rpriv->rep->vport; 4666e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4667e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4668e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4669e401a184SEli Cohen return -EOPNOTSUPP; 4670e401a184SEli Cohen } 4671e401a184SEli Cohen 4672fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4673fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4674fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4675fcb64c0fSEli Cohen * mbit means million bits. 4676fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4677fcb64c0fSEli Cohen * 1 mbit/sec. 4678fcb64c0fSEli Cohen */ 46791fe3e316SParav Pandit if (rate) { 46801fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 46818b90d897SParav Pandit do_div(rate, 1000000); 46828b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 46831fe3e316SParav Pandit } 46841fe3e316SParav Pandit 4685fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4686fcb64c0fSEli Cohen if (err) 4687fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4688fcb64c0fSEli Cohen 4689fcb64c0fSEli Cohen return err; 4690fcb64c0fSEli Cohen } 4691fcb64c0fSEli Cohen 4692fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4693fcb64c0fSEli Cohen struct flow_action *flow_action, 4694fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4695fcb64c0fSEli Cohen { 4696fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4697fcb64c0fSEli Cohen const struct flow_action_entry *act; 4698fcb64c0fSEli Cohen int err; 4699fcb64c0fSEli Cohen int i; 4700fcb64c0fSEli Cohen 4701fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4702fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4703fcb64c0fSEli Cohen return -EINVAL; 4704fcb64c0fSEli Cohen } 4705fcb64c0fSEli Cohen 4706fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4707fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4708fcb64c0fSEli Cohen return -EOPNOTSUPP; 4709fcb64c0fSEli Cohen } 4710fcb64c0fSEli Cohen 471153eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4712319a1d19SJiri Pirko return -EOPNOTSUPP; 4713319a1d19SJiri Pirko 4714fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4715fcb64c0fSEli Cohen switch (act->id) { 4716fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 47176a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 47186a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 47196a56e199SBaowen Zheng return -EOPNOTSUPP; 47206a56e199SBaowen Zheng } 4721fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4722fcb64c0fSEli Cohen if (err) 4723fcb64c0fSEli Cohen return err; 4724fcb64c0fSEli Cohen 4725fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4726fcb64c0fSEli Cohen break; 4727fcb64c0fSEli Cohen default: 4728fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4729fcb64c0fSEli Cohen return -EOPNOTSUPP; 4730fcb64c0fSEli Cohen } 4731fcb64c0fSEli Cohen } 4732fcb64c0fSEli Cohen 4733fcb64c0fSEli Cohen return 0; 4734fcb64c0fSEli Cohen } 4735fcb64c0fSEli Cohen 4736fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4737fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4738fcb64c0fSEli Cohen { 4739b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4740fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4741fcb64c0fSEli Cohen 4742b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4743b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4744b5f814ccSEli Cohen return -EOPNOTSUPP; 4745b5f814ccSEli Cohen } 4746b5f814ccSEli Cohen 47477b83355fSEli Cohen if (ma->common.prio != 1) { 4748fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4749fcb64c0fSEli Cohen return -EINVAL; 4750fcb64c0fSEli Cohen } 4751fcb64c0fSEli Cohen 4752fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4753fcb64c0fSEli Cohen } 4754fcb64c0fSEli Cohen 4755fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4756fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4757fcb64c0fSEli Cohen { 4758fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4759fcb64c0fSEli Cohen 4760fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4761fcb64c0fSEli Cohen } 4762fcb64c0fSEli Cohen 4763fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4764fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4765fcb64c0fSEli Cohen { 4766fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4767fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4768fcb64c0fSEli Cohen u64 dbytes; 4769fcb64c0fSEli Cohen u64 dpkts; 4770fcb64c0fSEli Cohen 4771fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4772fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4773fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4774fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 47754b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 477693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4777fcb64c0fSEli Cohen } 4778fcb64c0fSEli Cohen 47794d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 47804d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 47814d8fcf21SAlaa Hleihel { 47824d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4783db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4784db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 47854d8fcf21SAlaa Hleihel u16 peer_vhca_id; 47864d8fcf21SAlaa Hleihel int bkt; 47874d8fcf21SAlaa Hleihel 47884d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 47894d8fcf21SAlaa Hleihel return; 47904d8fcf21SAlaa Hleihel 47914d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 47924d8fcf21SAlaa Hleihel 4793b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4794db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4795db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4796db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4797b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4798db76ca24SVlad Buslov 4799db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4800db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4801db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4802a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4803db76ca24SVlad Buslov 4804db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4805db76ca24SVlad Buslov } 48064d8fcf21SAlaa Hleihel } 48074d8fcf21SAlaa Hleihel 48084d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 48094d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 48104d8fcf21SAlaa Hleihel { 48114d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 48124d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 48134d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 48144d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 48154d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 48164d8fcf21SAlaa Hleihel 48174d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 48184d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 48194d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 48204d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48214d8fcf21SAlaa Hleihel 48224d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 48234d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 48244d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 48254d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 48264d8fcf21SAlaa Hleihel if (priv == peer_priv || 48274d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 48284d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48294d8fcf21SAlaa Hleihel 48304d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 48314d8fcf21SAlaa Hleihel 48324d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48334d8fcf21SAlaa Hleihel } 48344d8fcf21SAlaa Hleihel 48356a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 48366a064674SAriel Levkovich { 48376a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 48386a064674SAriel Levkovich u32 max_flow_counter; 48396a064674SAriel Levkovich 48406a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 48416a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 48426a064674SAriel Levkovich 48436a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 48446a064674SAriel Levkovich 48456a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 48466a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 48476a064674SAriel Levkovich 48486a064674SAriel Levkovich return tc_tbl_size; 48496a064674SAriel Levkovich } 48506a064674SAriel Levkovich 4851655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4852e8f887acSAmir Vadai { 4853acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 48546a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4855c9355682SChris Mi struct mapping_ctx *chains_mapping; 48566a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 48572198b932SRoi Dayan u64 mapping_id; 48584d8fcf21SAlaa Hleihel int err; 4859e8f887acSAmir Vadai 4860b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4861b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4862b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 48635c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 486411c9c548SOr Gerlitz 48654d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 48664d8fcf21SAlaa Hleihel if (err) 48674d8fcf21SAlaa Hleihel return err; 48684d8fcf21SAlaa Hleihel 48699ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 48709ba33339SRoi Dayan 48712198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 48722198b932SRoi Dayan 48732198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 48742198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4875c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 48762198b932SRoi Dayan 4877c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4878c9355682SChris Mi err = PTR_ERR(chains_mapping); 4879c9355682SChris Mi goto err_mapping; 4880c9355682SChris Mi } 4881c9355682SChris Mi tc->mapping = chains_mapping; 4882c9355682SChris Mi 4883c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4884c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4885c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 48866a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 48876a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 48886a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 48896783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4890c9355682SChris Mi attr.mapping = chains_mapping; 48916a064674SAriel Levkovich 48926a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 48936a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 48946a064674SAriel Levkovich err = PTR_ERR(tc->chains); 48956a064674SAriel Levkovich goto err_chains; 48966a064674SAriel Levkovich } 48976a064674SAriel Levkovich 4898aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4899aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_KERNEL); 4900aedd133dSAriel Levkovich 49014d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4902d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4903d48834f9SJiri Pirko &tc->netdevice_nb, 4904d48834f9SJiri Pirko &tc->netdevice_nn); 4905d48834f9SJiri Pirko if (err) { 49064d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 49074d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 49086a064674SAriel Levkovich goto err_reg; 49094d8fcf21SAlaa Hleihel } 49104d8fcf21SAlaa Hleihel 49116a064674SAriel Levkovich return 0; 49126a064674SAriel Levkovich 49136a064674SAriel Levkovich err_reg: 4914aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 49156a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 49166a064674SAriel Levkovich err_chains: 4917c9355682SChris Mi mapping_destroy(chains_mapping); 4918c9355682SChris Mi err_mapping: 49196a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 49204d8fcf21SAlaa Hleihel return err; 4921e8f887acSAmir Vadai } 4922e8f887acSAmir Vadai 4923e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4924e8f887acSAmir Vadai { 4925e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4926655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4927e8f887acSAmir Vadai 4928961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4929e8f887acSAmir Vadai kfree(flow); 4930e8f887acSAmir Vadai } 4931e8f887acSAmir Vadai 4932655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4933e8f887acSAmir Vadai { 4934acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4935e8f887acSAmir Vadai 49364d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4937d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4938d48834f9SJiri Pirko &tc->netdevice_nb, 4939d48834f9SJiri Pirko &tc->netdevice_nn); 49404d8fcf21SAlaa Hleihel 4941b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4942b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4943b32accdaSVlad Buslov 49446a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4945e8f887acSAmir Vadai 4946acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 49476a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4948acff797cSMaor Gottlieb tc->t = NULL; 4949e8f887acSAmir Vadai } 4950b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 49516a064674SAriel Levkovich 4952aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4953c9355682SChris Mi mapping_destroy(tc->mapping); 49546a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4955e8f887acSAmir Vadai } 4956655dc3d2SOr Gerlitz 4957655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4958655dc3d2SOr Gerlitz { 4959d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 49600a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4961aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 49620a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4963aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4964aedd133dSAriel Levkovich struct mlx5e_priv *priv; 49652198b932SRoi Dayan u64 mapping_id; 4966aedd133dSAriel Levkovich int err = 0; 49670a7fcb78SPaul Blakey 49680a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4969aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4970aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4971aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 49720a7fcb78SPaul Blakey 4973aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4974aedd133dSAriel Levkovich esw_chains(esw), 4975aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4976aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_FDB); 49774c3844d9SPaul Blakey 49782a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 4979*0027d70cSChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw); 49802a9ab10aSChris Mi #endif 49812a9ab10aSChris Mi 49822198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 49832198b932SRoi Dayan 49842198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 49852198b932SRoi Dayan sizeof(struct tunnel_match_key), 49860a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 49872198b932SRoi Dayan 49880a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 49890a7fcb78SPaul Blakey err = PTR_ERR(mapping); 49900a7fcb78SPaul Blakey goto err_tun_mapping; 49910a7fcb78SPaul Blakey } 49920a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 49930a7fcb78SPaul Blakey 49948e404fefSVlad Buslov /* 0xFFF is reserved for stack devices slow path table mark */ 49952198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 49962198b932SRoi Dayan sz_enc_opts, ENC_OPTS_BITS_MASK - 1, true); 49970a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 49980a7fcb78SPaul Blakey err = PTR_ERR(mapping); 49990a7fcb78SPaul Blakey goto err_enc_opts_mapping; 50000a7fcb78SPaul Blakey } 50010a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 50020a7fcb78SPaul Blakey 50030a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 50040a7fcb78SPaul Blakey if (err) 50050a7fcb78SPaul Blakey goto err_ht_init; 50060a7fcb78SPaul Blakey 50079ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 50089ba33339SRoi Dayan 50098914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 50102b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 50112b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 50128914add2SVlad Buslov goto err_register_fib_notifier; 50132b6c3c1eSWei Yongjun } 50148914add2SVlad Buslov 50152b6c3c1eSWei Yongjun return 0; 50160a7fcb78SPaul Blakey 50178914add2SVlad Buslov err_register_fib_notifier: 50188914add2SVlad Buslov rhashtable_destroy(tc_ht); 50190a7fcb78SPaul Blakey err_ht_init: 50200a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50210a7fcb78SPaul Blakey err_enc_opts_mapping: 50220a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50230a7fcb78SPaul Blakey err_tun_mapping: 50242a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 5025*0027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 50262a9ab10aSChris Mi #endif 5027aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 50280a7fcb78SPaul Blakey netdev_warn(priv->netdev, 50290a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 50300a7fcb78SPaul Blakey return err; 5031655dc3d2SOr Gerlitz } 5032655dc3d2SOr Gerlitz 5033655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5034655dc3d2SOr Gerlitz { 50350a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 50360a7fcb78SPaul Blakey 50370a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5038aedd133dSAriel Levkovich 50398914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 50408914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 50418914add2SVlad Buslov 50420a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50430a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50444c3844d9SPaul Blakey 50452a9ab10aSChris Mi #if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE) 5046*0027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 50472a9ab10aSChris Mi #endif 5048aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5049655dc3d2SOr Gerlitz } 505001252a27SOr Gerlitz 5051226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 505201252a27SOr Gerlitz { 5053d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 505401252a27SOr Gerlitz 505501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 505601252a27SOr Gerlitz } 505704de7ddaSRoi Dayan 505804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 505904de7ddaSRoi Dayan { 506004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 506104de7ddaSRoi Dayan 506204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 506304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 506404de7ddaSRoi Dayan } 5065b4a23329SRoi Dayan 5066b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5067b4a23329SRoi Dayan { 5068b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5069b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5070b4a23329SRoi Dayan reoffload_flows_work); 5071b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5072b4a23329SRoi Dayan 5073ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5074b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5075b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5076ad86755bSVlad Buslov unready_flow_del(flow); 5077b4a23329SRoi Dayan } 5078ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5079b4a23329SRoi Dayan } 5080e2394a61SVlad Buslov 5081e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5082e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5083e2394a61SVlad Buslov unsigned long flags) 5084e2394a61SVlad Buslov { 5085e2394a61SVlad Buslov switch (cls_flower->command) { 5086e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5087e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5088e2394a61SVlad Buslov flags); 5089e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5090e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5091e2394a61SVlad Buslov flags); 5092e2394a61SVlad Buslov case FLOW_CLS_STATS: 5093e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5094e2394a61SVlad Buslov flags); 5095e2394a61SVlad Buslov default: 5096e2394a61SVlad Buslov return -EOPNOTSUPP; 5097e2394a61SVlad Buslov } 5098e2394a61SVlad Buslov } 5099e2394a61SVlad Buslov 5100e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5101e2394a61SVlad Buslov void *cb_priv) 5102e2394a61SVlad Buslov { 5103ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5104e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5105e2394a61SVlad Buslov 51062ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 51072ff349c5SRoi Dayan return -EOPNOTSUPP; 51082ff349c5SRoi Dayan 5109ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5110ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5111ec9457a6SRoi Dayan else 5112ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5113ec9457a6SRoi Dayan 5114e2394a61SVlad Buslov switch (type) { 5115e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5116e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5117e2394a61SVlad Buslov default: 5118e2394a61SVlad Buslov return -EOPNOTSUPP; 5119e2394a61SVlad Buslov } 5120e2394a61SVlad Buslov } 5121c7569097SAriel Levkovich 5122c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5123c7569097SAriel Levkovich struct sk_buff *skb) 5124c7569097SAriel Levkovich { 5125c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5126aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5127c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5128aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5129a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5130c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5131c7569097SAriel Levkovich int err; 5132c7569097SAriel Levkovich 5133c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5134c7569097SAriel Levkovich 5135c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5136c7569097SAriel Levkovich 5137c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5138c7569097SAriel Levkovich if (err) { 5139c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5140c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5141c7569097SAriel Levkovich chain_tag, err); 5142c7569097SAriel Levkovich return false; 5143c7569097SAriel Levkovich } 5144c7569097SAriel Levkovich 5145a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5146a91d98a0SChris Mi chain = mapped_obj.chain; 51479453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5148c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5149c7569097SAriel Levkovich return false; 5150c7569097SAriel Levkovich 5151c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5152aedd133dSAriel Levkovich 5153ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 515448d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5155aedd133dSAriel Levkovich 5156aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5157aedd133dSAriel Levkovich zone_restore_id)) 5158aedd133dSAriel Levkovich return false; 5159a91d98a0SChris Mi } else { 5160a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5161a91d98a0SChris Mi return false; 5162c7569097SAriel Levkovich } 5163c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5164c7569097SAriel Levkovich 5165c7569097SAriel Levkovich return true; 5166c7569097SAriel Levkovich } 5167