1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 38e8f887acSAmir Vadai #include <linux/mlx5/device.h> 39e8f887acSAmir Vadai #include <linux/rhashtable.h> 405a7e5bcbSVlad Buslov #include <linux/refcount.h> 41db76ca24SVlad Buslov #include <linux/completion.h> 42f6dfb4c3SHadar Hen Zion #include <net/arp.h> 433616d08bSDavid Ahern #include <net/ipv6_stubs.h> 44f828ca6aSEli Cohen #include <net/bareudp.h> 45d34eb2fcSOr Gerlitz #include <net/bonding.h> 46e8f887acSAmir Vadai #include "en.h" 47f0da4daaSChris Mi #include "en/tc/post_act.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49768c3667SVlad Buslov #include "en/rep/tc.h" 50e2394a61SVlad Buslov #include "en/rep/neigh.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 533f6d08d1SOr Gerlitz #include "fs_core.h" 542c81bfd5SHuy Nguyen #include "en/port.h" 55101f4de9SOz Shlomo #include "en/tc_tun.h" 560a7fcb78SPaul Blakey #include "en/mapping.h" 574c3844d9SPaul Blakey #include "en/tc_ct.h" 58b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 590d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 600027d70cSChris Mi #include "en/tc/sample.h" 61fad54790SRoi Dayan #include "en/tc/act/act.h" 6204de7ddaSRoi Dayan #include "lib/devcom.h" 639272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 64ae430332SAriel Levkovich #include "lib/fs_chains.h" 657a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 661fe3e316SParav Pandit #include <asm/div64.h> 67016c8946SJakub Kicinski #include "lag/lag.h" 68016c8946SJakub Kicinski #include "lag/mp.h" 69e8f887acSAmir Vadai 70acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 716a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 72e8f887acSAmir Vadai 738f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 748f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 758f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 768f1e0b97SPaul Blakey .moffset = 0, 77ed2fe7baSPaul Blakey .mlen = 16, 788f1e0b97SPaul Blakey }, 7910742efcSVlad Buslov [VPORT_TO_REG] = { 8010742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 81ed2fe7baSPaul Blakey .moffset = 16, 82ed2fe7baSPaul Blakey .mlen = 16, 8310742efcSVlad Buslov }, 840a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 850a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 86ed2fe7baSPaul Blakey .moffset = 8, 87ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 880a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 890a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 900a7fcb78SPaul Blakey }, 914c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 92a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 934c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 944c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 954c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 964c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 9739c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 98c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 99c7569097SAriel Levkovich * jump between steering domains. 100c7569097SAriel Levkovich */ 101c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 102c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 103c7569097SAriel Levkovich .moffset = 0, 104ed2fe7baSPaul Blakey .mlen = 16, 105c7569097SAriel Levkovich }, 106aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1078f1e0b97SPaul Blakey }; 1088f1e0b97SPaul Blakey 1099ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1109ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1119ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1129ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1139ba33339SRoi Dayan * it's different than the ht->mutex here. 1149ba33339SRoi Dayan */ 1159ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1169ba33339SRoi Dayan 1170a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1180a7fcb78SPaul Blakey 1190a7fcb78SPaul Blakey void 1200a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1210a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 122ed2fe7baSPaul Blakey u32 val, 1230a7fcb78SPaul Blakey u32 mask) 1240a7fcb78SPaul Blakey { 125ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1260a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 127ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1280a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 129ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 130ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 131ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1320a7fcb78SPaul Blakey 1330a7fcb78SPaul Blakey fmask = headers_c + soffset; 1340a7fcb78SPaul Blakey fval = headers_v + soffset; 1350a7fcb78SPaul Blakey 136ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 137ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1380a7fcb78SPaul Blakey 139ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 140ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 141ed2fe7baSPaul Blakey 142ed2fe7baSPaul Blakey //move to correct offset 143ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 144ed2fe7baSPaul Blakey mask <<= moffset; 145ed2fe7baSPaul Blakey val <<= moffset; 146ed2fe7baSPaul Blakey max_mask <<= moffset; 147ed2fe7baSPaul Blakey 148ed2fe7baSPaul Blakey //zero val and mask 149ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 150ed2fe7baSPaul Blakey curr_val &= ~max_mask; 151ed2fe7baSPaul Blakey 152ed2fe7baSPaul Blakey //add current to mask 153ed2fe7baSPaul Blakey curr_mask |= mask; 154ed2fe7baSPaul Blakey curr_val |= val; 155ed2fe7baSPaul Blakey 156ed2fe7baSPaul Blakey //back to be32 and write 157ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 158ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 159ed2fe7baSPaul Blakey 160ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 161ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1620a7fcb78SPaul Blakey 1630a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1640a7fcb78SPaul Blakey } 1650a7fcb78SPaul Blakey 1667e36feebSPaul Blakey void 1677e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1687e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 169ed2fe7baSPaul Blakey u32 *val, 1707e36feebSPaul Blakey u32 *mask) 1717e36feebSPaul Blakey { 172ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1737e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 174ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1757e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 176ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 177ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 178ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1797e36feebSPaul Blakey 1807e36feebSPaul Blakey fmask = headers_c + soffset; 1817e36feebSPaul Blakey fval = headers_v + soffset; 1827e36feebSPaul Blakey 183ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 184ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1857e36feebSPaul Blakey 186ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 187ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 188ed2fe7baSPaul Blakey 189ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 190ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1917e36feebSPaul Blakey } 1927e36feebSPaul Blakey 1930a7fcb78SPaul Blakey int 194c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1950a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 196aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 1970a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1980a7fcb78SPaul Blakey u32 data) 1990a7fcb78SPaul Blakey { 2000a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2010a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2020a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2030a7fcb78SPaul Blakey char *modact; 2040a7fcb78SPaul Blakey int err; 2050a7fcb78SPaul Blakey 2062c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2072c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2082c0e5cf5SPaul Blakey return PTR_ERR(modact); 2090a7fcb78SPaul Blakey 2100a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 211ed2fe7baSPaul Blakey if (mlen == 32) 2120a7fcb78SPaul Blakey mlen = 0; 2130a7fcb78SPaul Blakey 2140a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2150a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 216ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 217ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2180a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 219c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2200a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2210a7fcb78SPaul Blakey 222c7b9038dSVlad Buslov return err; 2230a7fcb78SPaul Blakey } 2240a7fcb78SPaul Blakey 22527484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 22627484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 22727484f71SAriel Levkovich { 22827484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 22927484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23027484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 23127484f71SAriel Levkovich 23227484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 23327484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23427484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 23527484f71SAriel Levkovich 23627484f71SAriel Levkovich return uplink_priv->int_port_priv; 23727484f71SAriel Levkovich } 23827484f71SAriel Levkovich 23927484f71SAriel Levkovich return NULL; 24027484f71SAriel Levkovich } 24127484f71SAriel Levkovich 242aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 243aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 244aedd133dSAriel Levkovich { 245aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 246aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 247aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 248aedd133dSAriel Levkovich 249e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 250aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 251aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 252aedd133dSAriel Levkovich 253aedd133dSAriel Levkovich return uplink_priv->ct_priv; 254aedd133dSAriel Levkovich } 255aedd133dSAriel Levkovich 256aedd133dSAriel Levkovich return priv->fs.tc.ct; 257aedd133dSAriel Levkovich } 258aedd133dSAriel Levkovich 2590027d70cSChris Mi static struct mlx5e_tc_psample * 260f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 261f94d6389SChris Mi { 262f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 263f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 264f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 265f94d6389SChris Mi 266f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 267f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 268f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 269f94d6389SChris Mi 2700027d70cSChris Mi return uplink_priv->tc_psample; 271f94d6389SChris Mi } 272f94d6389SChris Mi 273f94d6389SChris Mi return NULL; 274f94d6389SChris Mi } 275f94d6389SChris Mi 276aedd133dSAriel Levkovich struct mlx5_flow_handle * 277aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 278aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 279aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 280aedd133dSAriel Levkovich { 281aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 282aedd133dSAriel Levkovich 283e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 284aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 285aedd133dSAriel Levkovich 286aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 287aedd133dSAriel Levkovich } 288aedd133dSAriel Levkovich 289aedd133dSAriel Levkovich void 290aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 291aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 292aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 293aedd133dSAriel Levkovich { 294aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 295aedd133dSAriel Levkovich 296e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 297aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 298aedd133dSAriel Levkovich return; 299aedd133dSAriel Levkovich } 300aedd133dSAriel Levkovich 301aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 302aedd133dSAriel Levkovich } 303aedd133dSAriel Levkovich 30484ba8062SRoi Dayan struct mlx5_flow_handle * 30584ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 30684ba8062SRoi Dayan struct mlx5_flow_spec *spec, 30784ba8062SRoi Dayan struct mlx5_flow_attr *attr) 30884ba8062SRoi Dayan { 30984ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31084ba8062SRoi Dayan 31184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 31284ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 31384ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 31484ba8062SRoi Dayan 315a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 31684ba8062SRoi Dayan spec, attr, 31784ba8062SRoi Dayan mod_hdr_acts); 31884ba8062SRoi Dayan } 31984ba8062SRoi Dayan 32084ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 32184ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 32284ba8062SRoi Dayan 32384ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 32473a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 32584ba8062SRoi Dayan 32684ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 32784ba8062SRoi Dayan } 32884ba8062SRoi Dayan 32984ba8062SRoi Dayan void 33084ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 331a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 33284ba8062SRoi Dayan struct mlx5_flow_attr *attr) 33384ba8062SRoi Dayan { 33484ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 33584ba8062SRoi Dayan 33684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 337a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 33884ba8062SRoi Dayan return; 33984ba8062SRoi Dayan } 34084ba8062SRoi Dayan 34184ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 34284ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 34384ba8062SRoi Dayan return; 34484ba8062SRoi Dayan } 34584ba8062SRoi Dayan 34684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 34784ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 34884ba8062SRoi Dayan return; 34984ba8062SRoi Dayan } 35084ba8062SRoi Dayan 35184ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 35284ba8062SRoi Dayan } 35384ba8062SRoi Dayan 354c7b9038dSVlad Buslov int 355c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 356c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 357c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 358c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 359c7b9038dSVlad Buslov u32 data) 360c7b9038dSVlad Buslov { 361c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 362c7b9038dSVlad Buslov 363c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 364c7b9038dSVlad Buslov } 365c7b9038dSVlad Buslov 366c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 367c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 368c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 369c7b9038dSVlad Buslov int act_id, u32 data) 370c7b9038dSVlad Buslov { 371c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 372c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 373c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 374c7b9038dSVlad Buslov char *modact; 375c7b9038dSVlad Buslov 3762c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 377c7b9038dSVlad Buslov 378c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 379ed2fe7baSPaul Blakey if (mlen == 32) 380c7b9038dSVlad Buslov mlen = 0; 381c7b9038dSVlad Buslov 382c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 383c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 384ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 385ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 386c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 387c7b9038dSVlad Buslov } 388c7b9038dSVlad Buslov 38977ab67b7SOr Gerlitz struct mlx5e_hairpin { 39077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 39177ab67b7SOr Gerlitz 39277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3933f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 39477ab67b7SOr Gerlitz u32 tdn; 395a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3963f6d08d1SOr Gerlitz 3973f6d08d1SOr Gerlitz int num_channels; 3983f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 399a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 400f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 40177ab67b7SOr Gerlitz }; 40277ab67b7SOr Gerlitz 4035c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 4045c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 4055c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 4065c65c564SOr Gerlitz 40773edca73SVlad Buslov /* protects flows list */ 40873edca73SVlad Buslov spinlock_t flows_lock; 4095c65c564SOr Gerlitz /* flows sharing the same hairpin */ 4105c65c564SOr Gerlitz struct list_head flows; 411db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 412db76ca24SVlad Buslov * function traversed them. 413db76ca24SVlad Buslov */ 414db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 4155c65c564SOr Gerlitz 416d8822868SOr Gerlitz u16 peer_vhca_id; 417106be53bSOr Gerlitz u8 prio; 4185c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 419e4f9abbdSVlad Buslov refcount_t refcnt; 420db76ca24SVlad Buslov struct completion res_ready; 4215c65c564SOr Gerlitz }; 4225c65c564SOr Gerlitz 4235a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 4245a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 4255a7e5bcbSVlad Buslov 4260d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 4275a7e5bcbSVlad Buslov { 4285a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 4295a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 4305a7e5bcbSVlad Buslov return flow; 4315a7e5bcbSVlad Buslov } 4325a7e5bcbSVlad Buslov 4330d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 4345a7e5bcbSVlad Buslov { 4355a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 4365a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 437c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 4385a7e5bcbSVlad Buslov } 4395a7e5bcbSVlad Buslov } 4405a7e5bcbSVlad Buslov 441aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 442226f2ca3SVlad Buslov { 443226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 444226f2ca3SVlad Buslov } 445226f2ca3SVlad Buslov 44667d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 44784179981SPaul Blakey { 44884179981SPaul Blakey return flow_flag_test(flow, FT); 44984179981SPaul Blakey } 45084179981SPaul Blakey 4510d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 452226f2ca3SVlad Buslov { 453226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 454226f2ca3SVlad Buslov } 455226f2ca3SVlad Buslov 456e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 457d2faae25SVlad Buslov { 458d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 459d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 460d2faae25SVlad Buslov } 461b2fdf3d0SPaul Blakey 462b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 463b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 464b2fdf3d0SPaul Blakey { 465b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 466b2fdf3d0SPaul Blakey 467e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 468b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 469b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 470b2fdf3d0SPaul Blakey } 471b2fdf3d0SPaul Blakey 47211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 47311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 47411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 47511c9c548SOr Gerlitz { 476b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 477b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 47811c9c548SOr Gerlitz 479b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 480e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 481b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 482b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 483b2fdf3d0SPaul Blakey return PTR_ERR(mh); 48411c9c548SOr Gerlitz 485b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 486c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 487b2fdf3d0SPaul Blakey flow->mh = mh; 48811c9c548SOr Gerlitz 48911c9c548SOr Gerlitz return 0; 49011c9c548SOr Gerlitz } 49111c9c548SOr Gerlitz 49211c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 49311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 49411c9c548SOr Gerlitz { 4955a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 496dd58edc3SVlad Buslov if (!flow->mh) 4975a7e5bcbSVlad Buslov return; 4985a7e5bcbSVlad Buslov 499b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 500b2fdf3d0SPaul Blakey flow->mh); 501dd58edc3SVlad Buslov flow->mh = NULL; 50211c9c548SOr Gerlitz } 50311c9c548SOr Gerlitz 50477ab67b7SOr Gerlitz static 50577ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 50677ab67b7SOr Gerlitz { 507b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 50877ab67b7SOr Gerlitz struct net_device *netdev; 50977ab67b7SOr Gerlitz struct mlx5e_priv *priv; 51077ab67b7SOr Gerlitz 511b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 512b1c2f631SDima Chumak if (!netdev) 513b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 514b1c2f631SDima Chumak 51577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 516b1c2f631SDima Chumak mdev = priv->mdev; 517b1c2f631SDima Chumak dev_put(netdev); 518b1c2f631SDima Chumak 519b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 520b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 521b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 522b1c2f631SDima Chumak * 523b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 524b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 525b1c2f631SDima Chumak * removed. 526b1c2f631SDima Chumak * 527b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 528b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 529b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 530b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 531b1c2f631SDima Chumak */ 532b1c2f631SDima Chumak return mdev; 53377ab67b7SOr Gerlitz } 53477ab67b7SOr Gerlitz 53577ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 53677ab67b7SOr Gerlitz { 537a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 53877ab67b7SOr Gerlitz int err; 53977ab67b7SOr Gerlitz 540a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 541a6696735SMaxim Mikityanskiy if (!builder) 542a6696735SMaxim Mikityanskiy return -ENOMEM; 543a6696735SMaxim Mikityanskiy 54477ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 54577ab67b7SOr Gerlitz if (err) 546a6696735SMaxim Mikityanskiy goto out; 54777ab67b7SOr Gerlitz 548a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 549a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 55077ab67b7SOr Gerlitz if (err) 55177ab67b7SOr Gerlitz goto create_tir_err; 55277ab67b7SOr Gerlitz 553a6696735SMaxim Mikityanskiy out: 554a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 555a6696735SMaxim Mikityanskiy return err; 55677ab67b7SOr Gerlitz 55777ab67b7SOr Gerlitz create_tir_err: 55877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 559a6696735SMaxim Mikityanskiy 560a6696735SMaxim Mikityanskiy goto out; 56177ab67b7SOr Gerlitz } 56277ab67b7SOr Gerlitz 56377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 56477ab67b7SOr Gerlitz { 565a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 56677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 56777ab67b7SOr Gerlitz } 56877ab67b7SOr Gerlitz 5693f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5703f6d08d1SOr Gerlitz { 5713f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5723f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 57306e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 57406e9f13aSMaxim Mikityanskiy int err; 5753f6d08d1SOr Gerlitz 57606e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 57706e9f13aSMaxim Mikityanskiy if (!indir) 5783f6d08d1SOr Gerlitz return -ENOMEM; 5793f6d08d1SOr Gerlitz 58043befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 58106e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 58243ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 58343ec0f41SMaxim Mikityanskiy indir); 5843f6d08d1SOr Gerlitz 58506e9f13aSMaxim Mikityanskiy kvfree(indir); 5863f6d08d1SOr Gerlitz return err; 5873f6d08d1SOr Gerlitz } 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5903f6d08d1SOr Gerlitz { 5913f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 59243ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 593d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 594a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 595a6696735SMaxim Mikityanskiy int err = 0; 596a6696735SMaxim Mikityanskiy 597a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 598a6696735SMaxim Mikityanskiy if (!builder) 599a6696735SMaxim Mikityanskiy return -ENOMEM; 600a6696735SMaxim Mikityanskiy 60143ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 6023f6d08d1SOr Gerlitz 6033f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 60465d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 605d930ac79SAya Levin 60665d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 6073f6d08d1SOr Gerlitz 608a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 609a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 610a6696735SMaxim Mikityanskiy false); 61143ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 612bbeb53b8SAya Levin 613a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 6143f6d08d1SOr Gerlitz if (err) { 6153f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6163f6d08d1SOr Gerlitz goto err_destroy_tirs; 6173f6d08d1SOr Gerlitz } 618a6696735SMaxim Mikityanskiy 619a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 6203f6d08d1SOr Gerlitz } 621a6696735SMaxim Mikityanskiy 622a6696735SMaxim Mikityanskiy out: 623a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 624a6696735SMaxim Mikityanskiy return err; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz err_destroy_tirs: 627a6696735SMaxim Mikityanskiy max_tt = tt; 628a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 629a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 630a6696735SMaxim Mikityanskiy 631a6696735SMaxim Mikityanskiy goto out; 6323f6d08d1SOr Gerlitz } 6333f6d08d1SOr Gerlitz 6343f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6353f6d08d1SOr Gerlitz { 6363f6d08d1SOr Gerlitz int tt; 6373f6d08d1SOr Gerlitz 6383f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 639a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 6403f6d08d1SOr Gerlitz } 6413f6d08d1SOr Gerlitz 6423f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6433f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6443f6d08d1SOr Gerlitz { 6453f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6463f6d08d1SOr Gerlitz int tt; 6473f6d08d1SOr Gerlitz 6483f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6493f6d08d1SOr Gerlitz 650bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 651bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 652bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 653bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 654bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 655bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 656bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 657bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 658bc29764eSMaor Gottlieb } 6593f6d08d1SOr Gerlitz 6603f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6613f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6623f6d08d1SOr Gerlitz } 6633f6d08d1SOr Gerlitz 6643f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6653f6d08d1SOr Gerlitz { 6663f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6673f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6683f6d08d1SOr Gerlitz int err; 6693f6d08d1SOr Gerlitz 6703f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6713f6d08d1SOr Gerlitz if (err) 6723f6d08d1SOr Gerlitz return err; 6733f6d08d1SOr Gerlitz 6743f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6753f6d08d1SOr Gerlitz if (err) 6763f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6773f6d08d1SOr Gerlitz 6783f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 679f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 680f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 681f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6823f6d08d1SOr Gerlitz goto err_create_ttc_table; 683f4b45940SMaor Gottlieb } 6843f6d08d1SOr Gerlitz 6853f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 686f4b45940SMaor Gottlieb hp->num_channels, 687f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6883f6d08d1SOr Gerlitz 6893f6d08d1SOr Gerlitz return 0; 6903f6d08d1SOr Gerlitz 6913f6d08d1SOr Gerlitz err_create_ttc_table: 6923f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6933f6d08d1SOr Gerlitz err_create_indirect_tirs: 69406e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6953f6d08d1SOr Gerlitz 6963f6d08d1SOr Gerlitz return err; 6973f6d08d1SOr Gerlitz } 6983f6d08d1SOr Gerlitz 6993f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 7003f6d08d1SOr Gerlitz { 701f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 7023f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 70306e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 7043f6d08d1SOr Gerlitz } 7053f6d08d1SOr Gerlitz 70677ab67b7SOr Gerlitz static struct mlx5e_hairpin * 70777ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 70877ab67b7SOr Gerlitz int peer_ifindex) 70977ab67b7SOr Gerlitz { 71077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 71177ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 71277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 71377ab67b7SOr Gerlitz int err; 71477ab67b7SOr Gerlitz 71577ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 71677ab67b7SOr Gerlitz if (!hp) 71777ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 71877ab67b7SOr Gerlitz 71977ab67b7SOr Gerlitz func_mdev = priv->mdev; 72077ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 721b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 722b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 723b1c2f631SDima Chumak goto create_pair_err; 724b1c2f631SDima Chumak } 72577ab67b7SOr Gerlitz 72677ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 72777ab67b7SOr Gerlitz if (IS_ERR(pair)) { 72877ab67b7SOr Gerlitz err = PTR_ERR(pair); 72977ab67b7SOr Gerlitz goto create_pair_err; 73077ab67b7SOr Gerlitz } 73177ab67b7SOr Gerlitz hp->pair = pair; 73277ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7333f6d08d1SOr Gerlitz hp->func_priv = priv; 7343f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 73577ab67b7SOr Gerlitz 73677ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 73777ab67b7SOr Gerlitz if (err) 73877ab67b7SOr Gerlitz goto create_transport_err; 73977ab67b7SOr Gerlitz 7403f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7413f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7423f6d08d1SOr Gerlitz if (err) 7433f6d08d1SOr Gerlitz goto rss_init_err; 7443f6d08d1SOr Gerlitz } 7453f6d08d1SOr Gerlitz 74677ab67b7SOr Gerlitz return hp; 74777ab67b7SOr Gerlitz 7483f6d08d1SOr Gerlitz rss_init_err: 7493f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 75077ab67b7SOr Gerlitz create_transport_err: 75177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 75277ab67b7SOr Gerlitz create_pair_err: 75377ab67b7SOr Gerlitz kfree(hp); 75477ab67b7SOr Gerlitz return ERR_PTR(err); 75577ab67b7SOr Gerlitz } 75677ab67b7SOr Gerlitz 75777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 75877ab67b7SOr Gerlitz { 7593f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7603f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 76177ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 76277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 76377ab67b7SOr Gerlitz kvfree(hp); 76477ab67b7SOr Gerlitz } 76577ab67b7SOr Gerlitz 766106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 767106be53bSOr Gerlitz { 768106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 769106be53bSOr Gerlitz } 770106be53bSOr Gerlitz 7715c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 772106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7735c65c564SOr Gerlitz { 7745c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 775106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7765c65c564SOr Gerlitz 7775c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 778106be53bSOr Gerlitz hairpin_hlist, hash_key) { 779e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 780e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7815c65c564SOr Gerlitz return hpe; 7825c65c564SOr Gerlitz } 783e4f9abbdSVlad Buslov } 7845c65c564SOr Gerlitz 7855c65c564SOr Gerlitz return NULL; 7865c65c564SOr Gerlitz } 7875c65c564SOr Gerlitz 788e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 789e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 790e4f9abbdSVlad Buslov { 791e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 792b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 793e4f9abbdSVlad Buslov return; 794b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 795b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 796e4f9abbdSVlad Buslov 797db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 798e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 799e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 800e4f9abbdSVlad Buslov 801e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 802db76ca24SVlad Buslov } 803db76ca24SVlad Buslov 804db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 805e4f9abbdSVlad Buslov kfree(hpe); 806e4f9abbdSVlad Buslov } 807e4f9abbdSVlad Buslov 808106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 809106be53bSOr Gerlitz 810106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 811e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 812e98bedf5SEli Britstein struct netlink_ext_ack *extack) 813106be53bSOr Gerlitz { 814106be53bSOr Gerlitz void *headers_c, *headers_v; 815106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 816106be53bSOr Gerlitz bool vlan_present; 817106be53bSOr Gerlitz 818106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 819106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 820e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 821e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 822106be53bSOr Gerlitz return -EOPNOTSUPP; 823106be53bSOr Gerlitz } 824106be53bSOr Gerlitz #endif 825106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 826106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 827106be53bSOr Gerlitz 828106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 829106be53bSOr Gerlitz if (vlan_present) { 830106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 831106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 832106be53bSOr Gerlitz } 833106be53bSOr Gerlitz 834106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 835106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 836106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 837e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 838e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 839106be53bSOr Gerlitz return -EOPNOTSUPP; 840106be53bSOr Gerlitz } 841106be53bSOr Gerlitz 842106be53bSOr Gerlitz *match_prio = prio_val; 843106be53bSOr Gerlitz return 0; 844106be53bSOr Gerlitz } 845106be53bSOr Gerlitz 8465c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8475c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 848e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 849e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8505c65c564SOr Gerlitz { 85198b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8525c65c564SOr Gerlitz struct mlx5_hairpin_params params; 853d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8545c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8555c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8563f6d08d1SOr Gerlitz u64 link_speed64; 8573f6d08d1SOr Gerlitz u32 link_speed; 858106be53bSOr Gerlitz u8 match_prio; 859d8822868SOr Gerlitz u16 peer_id; 8605c65c564SOr Gerlitz int err; 8615c65c564SOr Gerlitz 862d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 863b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 864b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 865b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 866b1c2f631SDima Chumak } 867b1c2f631SDima Chumak 868d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 869e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8705c65c564SOr Gerlitz return -EOPNOTSUPP; 8715c65c564SOr Gerlitz } 8725c65c564SOr Gerlitz 873d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 874e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 875e98bedf5SEli Britstein extack); 876106be53bSOr Gerlitz if (err) 877106be53bSOr Gerlitz return err; 878b32accdaSVlad Buslov 879b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 880106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 881db76ca24SVlad Buslov if (hpe) { 882db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 883db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 884db76ca24SVlad Buslov 885db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 886db76ca24SVlad Buslov err = -EREMOTEIO; 887db76ca24SVlad Buslov goto out_err; 888db76ca24SVlad Buslov } 8895c65c564SOr Gerlitz goto attach_flow; 890db76ca24SVlad Buslov } 8915c65c564SOr Gerlitz 8925c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 893b32accdaSVlad Buslov if (!hpe) { 894db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 895db76ca24SVlad Buslov return -ENOMEM; 896b32accdaSVlad Buslov } 8975c65c564SOr Gerlitz 89873edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8995c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 900db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 901d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 902106be53bSOr Gerlitz hpe->prio = match_prio; 903e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 904db76ca24SVlad Buslov init_completion(&hpe->res_ready); 905db76ca24SVlad Buslov 906db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 907db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 908db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 9095c65c564SOr Gerlitz 9106cdc686aSAriel Levkovich params.log_data_size = 16; 9115c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 9125c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 9135c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 9145c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 9155c65c564SOr Gerlitz 916eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 917eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 918eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 919eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 920eb9180f7SOr Gerlitz 921eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 9223f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 9232c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 9243f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 9253f6d08d1SOr Gerlitz link_speed64 = link_speed; 9263f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 9273f6d08d1SOr Gerlitz params.num_channels = link_speed64; 9283f6d08d1SOr Gerlitz 9295c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 930db76ca24SVlad Buslov hpe->hp = hp; 931db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9325c65c564SOr Gerlitz if (IS_ERR(hp)) { 9335c65c564SOr Gerlitz err = PTR_ERR(hp); 934db76ca24SVlad Buslov goto out_err; 9355c65c564SOr Gerlitz } 9365c65c564SOr Gerlitz 937eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 938a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 93927b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 940eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9415c65c564SOr Gerlitz 9425c65c564SOr Gerlitz attach_flow: 9433f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 944226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 945f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 946f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 9473f6d08d1SOr Gerlitz } else { 948a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9493f6d08d1SOr Gerlitz } 950b32accdaSVlad Buslov 951e4f9abbdSVlad Buslov flow->hpe = hpe; 95273edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9535c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 95473edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9553f6d08d1SOr Gerlitz 9565c65c564SOr Gerlitz return 0; 9575c65c564SOr Gerlitz 958db76ca24SVlad Buslov out_err: 959db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9605c65c564SOr Gerlitz return err; 9615c65c564SOr Gerlitz } 9625c65c564SOr Gerlitz 9635c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9645c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9655c65c564SOr Gerlitz { 9665a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 967e4f9abbdSVlad Buslov if (!flow->hpe) 9685a7e5bcbSVlad Buslov return; 9695a7e5bcbSVlad Buslov 97073edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9715c65c564SOr Gerlitz list_del(&flow->hairpin); 97273edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 97373edca73SVlad Buslov 974e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 975e4f9abbdSVlad Buslov flow->hpe = NULL; 9765c65c564SOr Gerlitz } 9775c65c564SOr Gerlitz 97808247066SAriel Levkovich struct mlx5_flow_handle * 97908247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 98008247066SAriel Levkovich struct mlx5_flow_spec *spec, 981c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 982e8f887acSAmir Vadai { 98308247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 98467d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 985c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9866a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9875c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 98866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9893bc4b7bfSOr Gerlitz .action = attr->action, 990bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 99166958ed9SHadar Hen Zion }; 99208247066SAriel Levkovich struct mlx5_flow_handle *rule; 993c7569097SAriel Levkovich struct mlx5_flow_table *ft; 99408247066SAriel Levkovich int dest_ix = 0; 995e8f887acSAmir Vadai 996bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 997c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 998bb0ee7dcSJianbo Liu 999aedd133dSAriel Levkovich if (attr->dest_ft) { 1000aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1001aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1002aedd133dSAriel Levkovich dest_ix++; 1003aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 10043f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1005c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 100608247066SAriel Levkovich dest_ix++; 1007c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 10085c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1009c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 10103f6d08d1SOr Gerlitz dest_ix++; 10113f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 10125c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1013c7569097SAriel Levkovich if (attr->dest_chain) { 1014c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1015c7569097SAriel Levkovich attr->dest_chain, 1, 1016c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1017c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1018c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1019c7569097SAriel Levkovich } else { 10206783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 1021c7569097SAriel Levkovich } 10225c65c564SOr Gerlitz dest_ix++; 10235c65c564SOr Gerlitz } 1024aad7e08dSAmir Vadai 1025c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1026c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1027c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1028c7569097SAriel Levkovich 102908247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 10305c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 103108247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 10325c65c564SOr Gerlitz dest_ix++; 1033aad7e08dSAmir Vadai } 1034aad7e08dSAmir Vadai 103508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10362b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10372f4fe4caSOr Gerlitz 10386a064674SAriel Levkovich mutex_lock(&tc->t_lock); 10396a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 10406a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 10416a064674SAriel Levkovich tc->t = 1042c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 104321b9c144SOr Gerlitz 10446a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10456a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1046e8f887acSAmir Vadai netdev_err(priv->netdev, 1047e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1048c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1049c7569097SAriel Levkovich goto err_ft_get; 1050e8f887acSAmir Vadai } 1051e8f887acSAmir Vadai } 105208247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1053e8f887acSAmir Vadai 1054aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1055c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1056c7569097SAriel Levkovich attr->chain, attr->prio, 1057c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1058aedd133dSAriel Levkovich else 1059aedd133dSAriel Levkovich ft = attr->ft; 1060aedd133dSAriel Levkovich 1061c7569097SAriel Levkovich if (IS_ERR(ft)) { 1062c7569097SAriel Levkovich rule = ERR_CAST(ft); 1063c7569097SAriel Levkovich goto err_ft_get; 1064c7569097SAriel Levkovich } 1065c7569097SAriel Levkovich 1066c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 106708247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 106838aa51c1SOr Gerlitz 1069c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10705c65c564SOr Gerlitz &flow_act, dest, dest_ix); 107108247066SAriel Levkovich if (IS_ERR(rule)) 1072c7569097SAriel Levkovich goto err_rule; 107308247066SAriel Levkovich 107408247066SAriel Levkovich return rule; 1075c7569097SAriel Levkovich 1076c7569097SAriel Levkovich err_rule: 1077aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1078c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1079c7569097SAriel Levkovich attr->chain, attr->prio, 1080c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1081c7569097SAriel Levkovich err_ft_get: 1082c7569097SAriel Levkovich if (attr->dest_chain) 1083c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1084c7569097SAriel Levkovich attr->dest_chain, 1, 1085c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1086c7569097SAriel Levkovich 1087c7569097SAriel Levkovich return ERR_CAST(rule); 108808247066SAriel Levkovich } 108908247066SAriel Levkovich 109008247066SAriel Levkovich static int 1091df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1092df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1093df67ad62SRoi Dayan 1094df67ad62SRoi Dayan { 1095df67ad62SRoi Dayan struct mlx5_fc *counter; 1096df67ad62SRoi Dayan 1097df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1098df67ad62SRoi Dayan if (IS_ERR(counter)) 1099df67ad62SRoi Dayan return PTR_ERR(counter); 1100df67ad62SRoi Dayan 1101df67ad62SRoi Dayan attr->counter = counter; 1102df67ad62SRoi Dayan return 0; 1103df67ad62SRoi Dayan } 1104df67ad62SRoi Dayan 1105df67ad62SRoi Dayan static int 110608247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 110708247066SAriel Levkovich struct mlx5e_tc_flow *flow, 110808247066SAriel Levkovich struct netlink_ext_ack *extack) 110908247066SAriel Levkovich { 1110c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1111c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 111208247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 111308247066SAriel Levkovich int err; 111408247066SAriel Levkovich 1115c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1116c6cfe113SRoi Dayan 111708247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 111808247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 111908247066SAriel Levkovich if (err) 112008247066SAriel Levkovich return err; 112108247066SAriel Levkovich } 112208247066SAriel Levkovich 112308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1124df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1125df67ad62SRoi Dayan if (err) 1126df67ad62SRoi Dayan return err; 112708247066SAriel Levkovich } 112808247066SAriel Levkovich 112908247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 113008247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 11312c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 113208247066SAriel Levkovich if (err) 113308247066SAriel Levkovich return err; 113408247066SAriel Levkovich } 113508247066SAriel Levkovich 113684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1137a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1138aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1139aedd133dSAriel Levkovich else 114008247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 114108247066SAriel Levkovich attr); 1142e8f887acSAmir Vadai 1143a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1144e8f887acSAmir Vadai } 1145e8f887acSAmir Vadai 114608247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1147c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1148c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 114908247066SAriel Levkovich { 115067d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 1151c7569097SAriel Levkovich 115208247066SAriel Levkovich mlx5_del_flow_rules(rule); 1153c7569097SAriel Levkovich 1154aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1155c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1156c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1157c7569097SAriel Levkovich 1158c7569097SAriel Levkovich if (attr->dest_chain) 1159c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1160c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 116108247066SAriel Levkovich } 116208247066SAriel Levkovich 1163d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1164d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1165d85cdccbSOr Gerlitz { 1166c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11676a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1168d85cdccbSOr Gerlitz 1169c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1170c7569097SAriel Levkovich 117184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1172a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1173aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1174aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1175aedd133dSAriel Levkovich 1176c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1177c7569097SAriel Levkovich * extra steering hops. 1178c7569097SAriel Levkovich */ 1179b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11806a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11816a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 118267d62ee7SRoi Dayan mlx5_chains_put_table(mlx5e_nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1183d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1184d85cdccbSOr Gerlitz } 1185b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11862f4fe4caSOr Gerlitz 1187513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11883099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11895c65c564SOr Gerlitz 1190972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1191aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1192aedd133dSAriel Levkovich 1193226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11945c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1195c620b772SAriel Levkovich 119688d97486SRoi Dayan kvfree(attr->parse_attr); 1197c620b772SAriel Levkovich kfree(flow->attr); 1198d85cdccbSOr Gerlitz } 1199d85cdccbSOr Gerlitz 12000d9f9647SVlad Buslov struct mlx5_flow_handle * 12016d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 12026d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 12036d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1204c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 12056d2a3ed0SOr Gerlitz { 12066d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 12074c3844d9SPaul Blakey 1208e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 120989e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 121089e39467SPaul Blakey 1211a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 12126d2a3ed0SOr Gerlitz 12136d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 12146d2a3ed0SOr Gerlitz return rule; 12156d2a3ed0SOr Gerlitz 1216c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 12176d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 121884ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 121984ba8062SRoi Dayan goto err_rule1; 12206d2a3ed0SOr Gerlitz } 12216d2a3ed0SOr Gerlitz 12226d2a3ed0SOr Gerlitz return rule; 122384ba8062SRoi Dayan 122484ba8062SRoi Dayan err_rule1: 1225a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 122684ba8062SRoi Dayan return flow->rule[1]; 12276d2a3ed0SOr Gerlitz } 12286d2a3ed0SOr Gerlitz 12290d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 12306d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1231c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 12326d2a3ed0SOr Gerlitz { 1233226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 12346d2a3ed0SOr Gerlitz 1235e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 123684ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 123789e39467SPaul Blakey 1238c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12396d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12406d2a3ed0SOr Gerlitz 1241a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 12426d2a3ed0SOr Gerlitz } 12436d2a3ed0SOr Gerlitz 12440d9f9647SVlad Buslov struct mlx5_flow_handle * 12455dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12465dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1247178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12485dbe906fSPaul Blakey { 1249c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12505dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12515dbe906fSPaul Blakey 1252c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1253c620b772SAriel Levkovich if (!slow_attr) 1254c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12555dbe906fSPaul Blakey 1256c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1257c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1258c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1259e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1260c620b772SAriel Levkovich 1261c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12625dbe906fSPaul Blakey if (!IS_ERR(rule)) 1263226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12645dbe906fSPaul Blakey 1265c620b772SAriel Levkovich kfree(slow_attr); 1266c620b772SAriel Levkovich 12675dbe906fSPaul Blakey return rule; 12685dbe906fSPaul Blakey } 12695dbe906fSPaul Blakey 12700d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1271178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12725dbe906fSPaul Blakey { 1273c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1274178f69b4SEli Cohen 1275c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12765efbe617SAriel Levkovich if (!slow_attr) { 12775efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12785efbe617SAriel Levkovich return; 12795efbe617SAriel Levkovich } 1280c620b772SAriel Levkovich 1281c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1282c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1283c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1284e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1285c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1286226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1287c620b772SAriel Levkovich kfree(slow_attr); 12885dbe906fSPaul Blakey } 12895dbe906fSPaul Blakey 1290ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1291ad86755bSVlad Buslov * function. 1292ad86755bSVlad Buslov */ 1293ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1294ad86755bSVlad Buslov struct list_head *unready_flows) 1295ad86755bSVlad Buslov { 1296ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1297ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1298ad86755bSVlad Buslov } 1299ad86755bSVlad Buslov 1300ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1301ad86755bSVlad Buslov * function. 1302ad86755bSVlad Buslov */ 1303ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1304ad86755bSVlad Buslov { 1305ad86755bSVlad Buslov list_del(&flow->unready); 1306ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1307ad86755bSVlad Buslov } 1308ad86755bSVlad Buslov 1309b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1310b4a23329SRoi Dayan { 1311b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1312b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1313b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1314b4a23329SRoi Dayan 1315b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1316b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1317b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1318b4a23329SRoi Dayan 1319ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1320ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1321ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1322b4a23329SRoi Dayan } 1323b4a23329SRoi Dayan 1324b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1325b4a23329SRoi Dayan { 1326ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1327ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1328ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1329ad86755bSVlad Buslov 1330ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1331ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1332ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1333ad86755bSVlad Buslov 1334ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1335ad86755bSVlad Buslov unready_flow_del(flow); 1336ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1337b4a23329SRoi Dayan } 1338b4a23329SRoi Dayan 1339a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 134010742efcSVlad Buslov { 134110742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 134210742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 134310742efcSVlad Buslov 134410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 134510742efcSVlad Buslov out_mdev = out_priv->mdev; 134610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 134710742efcSVlad Buslov route_mdev = route_priv->mdev; 134810742efcSVlad Buslov 134910742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 135010742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 135110742efcSVlad Buslov return false; 135210742efcSVlad Buslov 1353ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 135410742efcSVlad Buslov } 135510742efcSVlad Buslov 1356a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 135710742efcSVlad Buslov { 135810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1359f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 136010742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 136110742efcSVlad Buslov struct mlx5_eswitch *esw; 136210742efcSVlad Buslov u16 vhca_id; 136310742efcSVlad Buslov int err; 136410742efcSVlad Buslov 136510742efcSVlad Buslov out_priv = netdev_priv(out_dev); 136610742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 136710742efcSVlad Buslov route_priv = netdev_priv(route_dev); 136810742efcSVlad Buslov route_mdev = route_priv->mdev; 136910742efcSVlad Buslov 137010742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1371f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1372f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1373f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1374f9d196bdSDmytro Linkin * eswitch. 1375f9d196bdSDmytro Linkin */ 137610742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1377f9d196bdSDmytro Linkin if (err != -ENOENT) 1378f9d196bdSDmytro Linkin return err; 1379f9d196bdSDmytro Linkin 1380f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1381f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1382f9d196bdSDmytro Linkin if (!esw) 1383f9d196bdSDmytro Linkin return -ENODEV; 1384f9d196bdSDmytro Linkin } 1385f9d196bdSDmytro Linkin 1386f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1387f9d196bdSDmytro Linkin if (devcom) 1388f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 138910742efcSVlad Buslov return err; 139010742efcSVlad Buslov } 139110742efcSVlad Buslov 1392c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1393ff993167SRoi Dayan struct mlx5e_tc_flow *flow, 1394ff993167SRoi Dayan struct mlx5_flow_attr *attr) 1395c7b9038dSVlad Buslov { 1396ff993167SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 1397c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1398c7b9038dSVlad Buslov 1399c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1400e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1401c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1402c7b9038dSVlad Buslov mod_hdr_acts->actions); 1403c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1404c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1405c7b9038dSVlad Buslov 1406ff993167SRoi Dayan WARN_ON(attr->modify_hdr); 1407ff993167SRoi Dayan attr->modify_hdr = mod_hdr; 1408c7b9038dSVlad Buslov 1409c7b9038dSVlad Buslov return 0; 1410c7b9038dSVlad Buslov } 1411c7b9038dSVlad Buslov 1412c83954abSRabie Loulou static int 141339542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 141439542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1415c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 141639542e23SRoi Dayan struct netlink_ext_ack *extack, 141739542e23SRoi Dayan bool *encap_valid, 141839542e23SRoi Dayan bool *vf_tun) 141939542e23SRoi Dayan { 142039542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 142139542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 142239542e23SRoi Dayan struct net_device *encap_dev = NULL; 142339542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 142439542e23SRoi Dayan struct mlx5e_priv *out_priv; 142539542e23SRoi Dayan int out_index; 142639542e23SRoi Dayan int err = 0; 142739542e23SRoi Dayan 142839542e23SRoi Dayan parse_attr = attr->parse_attr; 142939542e23SRoi Dayan esw_attr = attr->esw_attr; 143039542e23SRoi Dayan *vf_tun = false; 143139542e23SRoi Dayan *encap_valid = true; 143239542e23SRoi Dayan 143339542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 143439542e23SRoi Dayan struct net_device *out_dev; 143539542e23SRoi Dayan int mirred_ifindex; 143639542e23SRoi Dayan 143739542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 143839542e23SRoi Dayan continue; 143939542e23SRoi Dayan 144039542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 144139542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 144239542e23SRoi Dayan if (!out_dev) { 144339542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 144439542e23SRoi Dayan err = -ENODEV; 144539542e23SRoi Dayan goto out; 144639542e23SRoi Dayan } 1447c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 144839542e23SRoi Dayan extack, &encap_dev, encap_valid); 144939542e23SRoi Dayan dev_put(out_dev); 145039542e23SRoi Dayan if (err) 145139542e23SRoi Dayan goto out; 145239542e23SRoi Dayan 145339542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 145439542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 145539542e23SRoi Dayan !esw_attr->dest_int_port) 145639542e23SRoi Dayan *vf_tun = true; 145739542e23SRoi Dayan 145839542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 145939542e23SRoi Dayan rpriv = out_priv->ppriv; 146039542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 146139542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 146239542e23SRoi Dayan } 146339542e23SRoi Dayan 146439542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 146539542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 146639542e23SRoi Dayan err = -EOPNOTSUPP; 146739542e23SRoi Dayan goto out; 146839542e23SRoi Dayan } 146939542e23SRoi Dayan 147039542e23SRoi Dayan out: 147139542e23SRoi Dayan return err; 147239542e23SRoi Dayan } 147339542e23SRoi Dayan 147439542e23SRoi Dayan static void 147539542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 147639542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1477c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 147839542e23SRoi Dayan bool *vf_tun) 147939542e23SRoi Dayan { 148039542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 148139542e23SRoi Dayan int out_index; 148239542e23SRoi Dayan 148339542e23SRoi Dayan esw_attr = attr->esw_attr; 148439542e23SRoi Dayan *vf_tun = false; 148539542e23SRoi Dayan 148639542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 148739542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 148839542e23SRoi Dayan continue; 148939542e23SRoi Dayan 149039542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 149139542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 149239542e23SRoi Dayan !esw_attr->dest_int_port) 149339542e23SRoi Dayan *vf_tun = true; 149439542e23SRoi Dayan 1495c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 149639542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 149739542e23SRoi Dayan } 149839542e23SRoi Dayan } 149939542e23SRoi Dayan 150039542e23SRoi Dayan static int 150174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1502e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1503e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1504adb4c123SOr Gerlitz { 1505adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1506c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1507c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1508c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 150939542e23SRoi Dayan bool vf_tun, encap_valid; 151039ac237cSPaul Blakey u32 max_prio, max_chain; 15110ad060eeSRoi Dayan int err = 0; 15128b32580dSOr Gerlitz 1513b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1514b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1515b16eb3c8SAriel Levkovich 151684179981SPaul Blakey /* We check chain range only for tc flows. 151784179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 151884179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 151984179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 152084179981SPaul Blakey */ 1521ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 152284179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 152361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 152461644c3dSRoi Dayan "Requested chain is out of supported range"); 15258914add2SVlad Buslov err = -EOPNOTSUPP; 15268914add2SVlad Buslov goto err_out; 1527bf07aa73SPaul Blakey } 1528bf07aa73SPaul Blakey 1529ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1530bf07aa73SPaul Blakey if (attr->prio > max_prio) { 153161644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 153261644c3dSRoi Dayan "Requested priority is out of supported range"); 15338914add2SVlad Buslov err = -EOPNOTSUPP; 15348914add2SVlad Buslov goto err_out; 1535bf07aa73SPaul Blakey } 1536bf07aa73SPaul Blakey 1537777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1538777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1539777bb800SVlad Buslov if (err) 15408914add2SVlad Buslov goto err_out; 1541b16eb3c8SAriel Levkovich 15425b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 15435b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1544b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1545b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1546b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1547b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1548b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1549b16eb3c8SAriel Levkovich * from the proper chain. 1550b16eb3c8SAriel Levkovich */ 1551b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1552b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1553b16eb3c8SAriel Levkovich 1554b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1555b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1556b16eb3c8SAriel Levkovich metadata); 1557b16eb3c8SAriel Levkovich if (err) 155831108d14SChristophe JAILLET goto err_out; 1559077cdda7SRoi Dayan 1560077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1561b16eb3c8SAriel Levkovich } 1562777bb800SVlad Buslov } 1563777bb800SVlad Buslov 156414e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 156514e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 156614e6b038SEli Cohen if (err) 15678914add2SVlad Buslov goto err_out; 156814e6b038SEli Cohen } 156914e6b038SEli Cohen 1570166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1571166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1572166f431eSAriel Levkovich 1573166f431eSAriel Levkovich if (attr->chain) { 1574166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1575166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 157631108d14SChristophe JAILLET err = -EOPNOTSUPP; 157731108d14SChristophe JAILLET goto err_out; 1578166f431eSAriel Levkovich } 1579166f431eSAriel Levkovich 1580166f431eSAriel Levkovich if (attr->dest_chain) { 1581166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1582166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 158331108d14SChristophe JAILLET err = -EOPNOTSUPP; 158431108d14SChristophe JAILLET goto err_out; 1585166f431eSAriel Levkovich } 1586166f431eSAriel Levkovich 1587166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1588166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1589166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1590166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1591166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 159231108d14SChristophe JAILLET if (IS_ERR(int_port)) { 159331108d14SChristophe JAILLET err = PTR_ERR(int_port); 159431108d14SChristophe JAILLET goto err_out; 159531108d14SChristophe JAILLET } 1596166f431eSAriel Levkovich 1597166f431eSAriel Levkovich esw_attr->int_port = int_port; 1598166f431eSAriel Levkovich } 1599166f431eSAriel Levkovich 1600c118ebc9SRoi Dayan err = set_encap_dests(priv, flow, attr, extack, &encap_valid, &vf_tun); 16010ad060eeSRoi Dayan if (err) 16028914add2SVlad Buslov goto err_out; 16030ad060eeSRoi Dayan 16048b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1605c83954abSRabie Loulou if (err) 16068914add2SVlad Buslov goto err_out; 1607adb4c123SOr Gerlitz 1608efe6f961SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16098914add2SVlad Buslov if (vf_tun) { 1610ff993167SRoi Dayan err = mlx5e_tc_add_flow_mod_hdr(priv, flow, attr); 16118914add2SVlad Buslov if (err) 16128914add2SVlad Buslov goto err_out; 16138914add2SVlad Buslov } else { 16141a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1615c83954abSRabie Loulou if (err) 16168914add2SVlad Buslov goto err_out; 16178914add2SVlad Buslov } 1618d7e75a32SOr Gerlitz } 1619d7e75a32SOr Gerlitz 1620b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1621df67ad62SRoi Dayan err = alloc_flow_attr_counter(esw_attr->counter_dev, attr); 1622df67ad62SRoi Dayan if (err) 16238914add2SVlad Buslov goto err_out; 16248914add2SVlad Buslov } 1625b8aee822SMark Bloch 16260ad060eeSRoi Dayan /* we get here if one of the following takes place: 16270ad060eeSRoi Dayan * (1) there's no error 16280ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 16293c37745eSOr Gerlitz */ 1630bc1d75faSRoi Dayan if (!encap_valid) 1631178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1632bc1d75faSRoi Dayan else 16336d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 16345dbe906fSPaul Blakey 16358914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 16368914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 16378914add2SVlad Buslov goto err_out; 16388914add2SVlad Buslov } 1639226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1640c83954abSRabie Loulou 16415dbe906fSPaul Blakey return 0; 16428914add2SVlad Buslov 16438914add2SVlad Buslov err_out: 16448914add2SVlad Buslov flow_flag_set(flow, FAILED); 16458914add2SVlad Buslov return err; 1646aa0cbbaeSOr Gerlitz } 1647d85cdccbSOr Gerlitz 16489272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 16499272e3dfSYevgeny Kliteynik { 1650c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 16519272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 16529272e3dfSYevgeny Kliteynik spec->match_value, 16539272e3dfSYevgeny Kliteynik misc_parameters_3); 16549272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 16559272e3dfSYevgeny Kliteynik headers_v, 16569272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 16579272e3dfSYevgeny Kliteynik 16589272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 16599272e3dfSYevgeny Kliteynik } 16609272e3dfSYevgeny Kliteynik 1661d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1662d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1663d85cdccbSOr Gerlitz { 1664d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1665c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1666777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 166739542e23SRoi Dayan bool vf_tun; 1668d85cdccbSOr Gerlitz 1669777bb800SVlad Buslov esw_attr = attr->esw_attr; 16700a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 16710a7fcb78SPaul Blakey 167212a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1673b4a23329SRoi Dayan remove_unready_flow(flow); 1674ef06c9eeSRoi Dayan 1675226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1676226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1677178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 16785dbe906fSPaul Blakey else 16795dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 16805dbe906fSPaul Blakey } 1681362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1682d85cdccbSOr Gerlitz 16839272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 16849272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 16859272e3dfSYevgeny Kliteynik 1686513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1687d85cdccbSOr Gerlitz 1688777bb800SVlad Buslov if (flow->decap_route) 1689777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1690777bb800SVlad Buslov 1691c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 1692d7e75a32SOr Gerlitz 1693aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 16944c8594adSRoi Dayan 1695c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16962c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 16978914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 16988914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 16998914add2SVlad Buslov else 17001a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1701c7b9038dSVlad Buslov } 1702b8aee822SMark Bloch 1703b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1704777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 170514e6b038SEli Cohen 1706166f431eSAriel Levkovich if (esw_attr->int_port) 1707166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1708166f431eSAriel Levkovich 170927484f71SAriel Levkovich if (esw_attr->dest_int_port) 171027484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 171127484f71SAriel Levkovich 171214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 171314e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1714c620b772SAriel Levkovich 171588d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 171688d97486SRoi Dayan kvfree(attr->parse_attr); 1717c620b772SAriel Levkovich kfree(flow->attr); 1718d85cdccbSOr Gerlitz } 1719d85cdccbSOr Gerlitz 17200d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1721b8aee822SMark Bloch { 1722c620b772SAriel Levkovich return flow->attr->counter; 1723b8aee822SMark Bloch } 1724b8aee822SMark Bloch 17256a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1726021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 17276a06c2f7SVlad Buslov { 17286a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 17296a06c2f7SVlad Buslov 17306a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 17316a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 17326a06c2f7SVlad Buslov } 17336a06c2f7SVlad Buslov 173404de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 173504de7ddaSRoi Dayan { 173604de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 173704de7ddaSRoi Dayan 1738226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1739226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 174004de7ddaSRoi Dayan return; 174104de7ddaSRoi Dayan 174204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 174304de7ddaSRoi Dayan list_del(&flow->peer); 174404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 174504de7ddaSRoi Dayan 1746226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 174704de7ddaSRoi Dayan 1748eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 174904de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1750a23dae79SRoi Dayan kfree(flow->peer_flow); 1751eb252c3aSRoi Dayan } 1752eb252c3aSRoi Dayan 175304de7ddaSRoi Dayan flow->peer_flow = NULL; 175404de7ddaSRoi Dayan } 175504de7ddaSRoi Dayan 175604de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 175704de7ddaSRoi Dayan { 175804de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 175904de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 176004de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 176104de7ddaSRoi Dayan 176204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 176304de7ddaSRoi Dayan if (!peer_esw) 176404de7ddaSRoi Dayan return; 176504de7ddaSRoi Dayan 176604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 176704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 176804de7ddaSRoi Dayan } 176904de7ddaSRoi Dayan 1770e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1771961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1772e8f887acSAmir Vadai { 1773226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 177404de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1775d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 177604de7ddaSRoi Dayan } else { 1777d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1778e8f887acSAmir Vadai } 177904de7ddaSRoi Dayan } 1780e8f887acSAmir Vadai 1781ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1782bbd00f7eSHadar Hen Zion { 1783f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17840a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17850a7fcb78SPaul Blakey const struct flow_action_entry *act; 17860a7fcb78SPaul Blakey int i; 1787bbd00f7eSHadar Hen Zion 1788ee950e5dSChris Mi if (chain) 1789ee950e5dSChris Mi return false; 1790ee950e5dSChris Mi 17910a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17920a7fcb78SPaul Blakey switch (act->id) { 17930a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17940a7fcb78SPaul Blakey return true; 1795ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1796ee950e5dSChris Mi return true; 17970a7fcb78SPaul Blakey default: 17980a7fcb78SPaul Blakey continue; 1799fe1587a7SDmytro Linkin } 18002e72eb43SOr Gerlitz } 1801bbd00f7eSHadar Hen Zion 18020a7fcb78SPaul Blakey return false; 18030a7fcb78SPaul Blakey } 1804bcef735cSOr Gerlitz 18050a7fcb78SPaul Blakey static int 18060a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 18070a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 18080a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 18090a7fcb78SPaul Blakey bool *dont_care) 18100a7fcb78SPaul Blakey { 18110a7fcb78SPaul Blakey struct geneve_opt *opt; 18120a7fcb78SPaul Blakey int off = 0; 1813bcef735cSOr Gerlitz 18140a7fcb78SPaul Blakey *dont_care = true; 1815bcef735cSOr Gerlitz 18160a7fcb78SPaul Blakey while (opts->len > off) { 18170a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1818e98bedf5SEli Britstein 18190a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 18200a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 18210a7fcb78SPaul Blakey *dont_care = false; 18220a7fcb78SPaul Blakey 1823c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1824d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1825c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 18260a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 18270a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18280a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1829e98bedf5SEli Britstein return -EOPNOTSUPP; 1830e98bedf5SEli Britstein } 1831bcef735cSOr Gerlitz } 1832bcef735cSOr Gerlitz 18330a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1834bbd00f7eSHadar Hen Zion } 1835bbd00f7eSHadar Hen Zion 1836bbd00f7eSHadar Hen Zion return 0; 1837bbd00f7eSHadar Hen Zion } 1838bbd00f7eSHadar Hen Zion 18390a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 18400a7fcb78SPaul Blakey ({ \ 18410a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 18420a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 18430a7fcb78SPaul Blakey \ 18440a7fcb78SPaul Blakey memcpy(__dst,\ 18450a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 18460a7fcb78SPaul Blakey diss_key,\ 18470a7fcb78SPaul Blakey __rule->match.key),\ 18480a7fcb78SPaul Blakey sizeof(*__dst));\ 18490a7fcb78SPaul Blakey }) 18500a7fcb78SPaul Blakey 18510a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 18520a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18530a7fcb78SPaul Blakey struct flow_cls_offload *f, 18540a7fcb78SPaul Blakey struct net_device *filter_dev) 18558377629eSEli Britstein { 18560a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18570a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18580a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 18590a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1860d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 18610a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1862c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 18630a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18640a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 18650a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 18660a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18670a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18680a7fcb78SPaul Blakey u32 value, mask; 18690a7fcb78SPaul Blakey int err; 18700a7fcb78SPaul Blakey 18710a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18720a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18730a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18740a7fcb78SPaul Blakey 18750a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18760a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18770a7fcb78SPaul Blakey &tunnel_key.enc_control); 18780a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18790a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18800a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18810a7fcb78SPaul Blakey else 18820a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18830a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18840a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18850a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18860a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18870a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18880a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18890a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18900a7fcb78SPaul Blakey 18910a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18920a7fcb78SPaul Blakey if (err) 18930a7fcb78SPaul Blakey return err; 18940a7fcb78SPaul Blakey 18950a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18960a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18970a7fcb78SPaul Blakey enc_opts_match.mask, 18980a7fcb78SPaul Blakey extack, 18990a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19000a7fcb78SPaul Blakey if (err) 19010a7fcb78SPaul Blakey goto err_enc_opts; 19020a7fcb78SPaul Blakey 19030a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1904d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1905d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1906d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1907d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1908d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1909d7a42ad0SRoi Dayan 19100a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1911d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 19120a7fcb78SPaul Blakey if (err) 19130a7fcb78SPaul Blakey goto err_enc_opts; 19140a7fcb78SPaul Blakey } 19150a7fcb78SPaul Blakey 19160a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 19170a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 19180a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 19190a7fcb78SPaul Blakey 19200a7fcb78SPaul Blakey if (attr->chain) { 19210a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 19220a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 19230a7fcb78SPaul Blakey } else { 19240a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 19250a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1926aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 19270a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 19280a7fcb78SPaul Blakey if (err) 19290a7fcb78SPaul Blakey goto err_set; 19300a7fcb78SPaul Blakey 19310a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 19320a7fcb78SPaul Blakey } 19330a7fcb78SPaul Blakey 193473a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 19350a7fcb78SPaul Blakey return 0; 19360a7fcb78SPaul Blakey 19370a7fcb78SPaul Blakey err_set: 19380a7fcb78SPaul Blakey if (enc_opts_id) 19390a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19400a7fcb78SPaul Blakey enc_opts_id); 19410a7fcb78SPaul Blakey err_enc_opts: 19420a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19430a7fcb78SPaul Blakey return err; 19440a7fcb78SPaul Blakey } 19450a7fcb78SPaul Blakey 19460a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 19470a7fcb78SPaul Blakey { 194873a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 194973a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 19500a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 19510a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19520a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19530a7fcb78SPaul Blakey 19540a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 19550a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19560a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19570a7fcb78SPaul Blakey 19580a7fcb78SPaul Blakey if (tun_id) 19590a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19600a7fcb78SPaul Blakey if (enc_opts_id) 19610a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19620a7fcb78SPaul Blakey enc_opts_id); 19630a7fcb78SPaul Blakey } 19640a7fcb78SPaul Blakey 1965fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1966fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1967fca53304SEli Britstein void *headers_c, void *headers_v) 19684a5d5d73SEli Britstein { 1969fca53304SEli Britstein bool ip_version_cap; 1970fca53304SEli Britstein 1971fca53304SEli Britstein ip_version_cap = outer ? 1972fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1973fca53304SEli Britstein ft_field_support.outer_ip_version) : 1974fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1975fca53304SEli Britstein ft_field_support.inner_ip_version); 1976fca53304SEli Britstein 1977fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1978fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1979fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1980fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1981fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1982fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1983fca53304SEli Britstein } else { 19844a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19854a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19864a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19874a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19884a5d5d73SEli Britstein } 1989fca53304SEli Britstein } 19904a5d5d73SEli Britstein 19910d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1992a508728aSVlad Buslov { 1993a508728aSVlad Buslov void *headers_v; 1994a508728aSVlad Buslov u16 ethertype; 1995a508728aSVlad Buslov u8 ip_version; 1996a508728aSVlad Buslov 1997a508728aSVlad Buslov if (outer) 1998a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1999a508728aSVlad Buslov else 2000a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2001a508728aSVlad Buslov 2002a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2003a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2004a508728aSVlad Buslov if (!ip_version) { 2005a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2006a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2007a508728aSVlad Buslov ip_version = 4; 2008a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2009a508728aSVlad Buslov ip_version = 6; 2010a508728aSVlad Buslov } 2011a508728aSVlad Buslov return ip_version; 2012a508728aSVlad Buslov } 2013a508728aSVlad Buslov 2014b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2015b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2016b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2017b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2018b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2019b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2020b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2021b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2022b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2023b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2024b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2025b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2026b6dfff21SPaul Blakey * 2027b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2028b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2029b6dfff21SPaul Blakey * 2030b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2031b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2032b6dfff21SPaul Blakey * 2033b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2034b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2035b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2036b6dfff21SPaul Blakey */ 2037b6dfff21SPaul Blakey 2038b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2039b6dfff21SPaul Blakey struct flow_cls_offload *f, 2040b6dfff21SPaul Blakey bool *match_inner_ecn) 2041b6dfff21SPaul Blakey { 2042b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2043b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2044b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2045b6dfff21SPaul Blakey struct flow_match_ip match; 2046b6dfff21SPaul Blakey 2047b6dfff21SPaul Blakey *match_inner_ecn = true; 2048b6dfff21SPaul Blakey 2049b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2050b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2051b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2052b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2053b6dfff21SPaul Blakey } 2054b6dfff21SPaul Blakey 2055b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2056b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2057b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2058b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2059b6dfff21SPaul Blakey } 2060b6dfff21SPaul Blakey 2061b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2062b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2063b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2064b6dfff21SPaul Blakey return -EOPNOTSUPP; 2065b6dfff21SPaul Blakey } 2066b6dfff21SPaul Blakey 2067b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2068b6dfff21SPaul Blakey if (!inner_ecn_mask) 2069b6dfff21SPaul Blakey return 0; 2070b6dfff21SPaul Blakey 2071b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2072b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2073b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2074b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2075b6dfff21SPaul Blakey return -EOPNOTSUPP; 2076b6dfff21SPaul Blakey } 2077b6dfff21SPaul Blakey 2078b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2079b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2080b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2081b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2082b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2083b6dfff21SPaul Blakey return -EOPNOTSUPP; 2084b6dfff21SPaul Blakey } 2085b6dfff21SPaul Blakey 2086b6dfff21SPaul Blakey if (!inner_ecn_mask) 2087b6dfff21SPaul Blakey return 0; 2088b6dfff21SPaul Blakey 2089b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2090b6dfff21SPaul Blakey 2091b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2092b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2093b6dfff21SPaul Blakey 2094b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2095b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2096b6dfff21SPaul Blakey return -EOPNOTSUPP; 2097b6dfff21SPaul Blakey } 2098b6dfff21SPaul Blakey 2099b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2100b6dfff21SPaul Blakey return 0; 2101b6dfff21SPaul Blakey 2102b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2103b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2104b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2105b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2106b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2107b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2108b6dfff21SPaul Blakey return -EOPNOTSUPP; 2109b6dfff21SPaul Blakey } 2110b6dfff21SPaul Blakey 2111b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2112b6dfff21SPaul Blakey * drop match on inner ecn 2113b6dfff21SPaul Blakey */ 2114b6dfff21SPaul Blakey *match_inner_ecn = false; 2115b6dfff21SPaul Blakey 2116b6dfff21SPaul Blakey return 0; 2117b6dfff21SPaul Blakey } 2118b6dfff21SPaul Blakey 21190a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 21200a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 21210a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 21220a7fcb78SPaul Blakey struct flow_cls_offload *f, 21230a7fcb78SPaul Blakey struct net_device *filter_dev, 21240a7fcb78SPaul Blakey u8 *match_level, 21250a7fcb78SPaul Blakey bool *match_inner) 21260a7fcb78SPaul Blakey { 2127a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 21280a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 21290a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21300a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 21310a7fcb78SPaul Blakey int err; 21320a7fcb78SPaul Blakey 21330885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 21340885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 21350a7fcb78SPaul Blakey return -EOPNOTSUPP; 21360885ae1aSAbhiram R N } 21370a7fcb78SPaul Blakey 2138c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2139ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 21400a7fcb78SPaul Blakey *match_inner = !needs_mapping; 21410a7fcb78SPaul Blakey 21420a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2143636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2144c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2145636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21460a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2147636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21480a7fcb78SPaul Blakey return -EOPNOTSUPP; 21490a7fcb78SPaul Blakey } 21500a7fcb78SPaul Blakey 2151c620b772SAriel Levkovich if (!flow->attr->chain) { 21520a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 21530a7fcb78SPaul Blakey match_level); 21540a7fcb78SPaul Blakey if (err) { 21550a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 21560a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21570a7fcb78SPaul Blakey netdev_warn(priv->netdev, 21580a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21590a7fcb78SPaul Blakey return err; 21600a7fcb78SPaul Blakey } 21610a7fcb78SPaul Blakey 216214e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 216314e6b038SEli Cohen * object 216414e6b038SEli Cohen */ 216514e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2166c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2167a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2168a508728aSVlad Buslov if (err) 2169a508728aSVlad Buslov return err; 2170a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2171a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2172a508728aSVlad Buslov 2173a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2174a508728aSVlad Buslov if (!tmp_spec) { 2175a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2176a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2177a508728aSVlad Buslov return -ENOMEM; 2178a508728aSVlad Buslov } 2179a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2180a508728aSVlad Buslov 2181a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2182a508728aSVlad Buslov if (err) { 2183a508728aSVlad Buslov kvfree(tmp_spec); 2184a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2185a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2186a508728aSVlad Buslov return err; 2187a508728aSVlad Buslov } 2188a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2189a508728aSVlad Buslov kvfree(tmp_spec); 2190a508728aSVlad Buslov if (err) 2191a508728aSVlad Buslov return err; 21920a7fcb78SPaul Blakey } 21930a7fcb78SPaul Blakey 21940a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 21950a7fcb78SPaul Blakey return 0; 21960a7fcb78SPaul Blakey 21970a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 21980a7fcb78SPaul Blakey } 21990a7fcb78SPaul Blakey 22000a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 22010a7fcb78SPaul Blakey { 22020a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 22030a7fcb78SPaul Blakey inner_headers); 22040a7fcb78SPaul Blakey } 22050a7fcb78SPaul Blakey 22060a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 22070a7fcb78SPaul Blakey { 22080a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 22090a7fcb78SPaul Blakey inner_headers); 22100a7fcb78SPaul Blakey } 22110a7fcb78SPaul Blakey 22120a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 22130a7fcb78SPaul Blakey { 22140a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 22150a7fcb78SPaul Blakey outer_headers); 22160a7fcb78SPaul Blakey } 22170a7fcb78SPaul Blakey 22180a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 22190a7fcb78SPaul Blakey { 22200a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 22218377629eSEli Britstein outer_headers); 22228377629eSEli Britstein } 22238377629eSEli Britstein 22248ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 22258377629eSEli Britstein { 22268377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 22270a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 22280a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 22290a7fcb78SPaul Blakey } 22300a7fcb78SPaul Blakey 22318ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 22320a7fcb78SPaul Blakey { 22330a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 22340a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 22350a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 22368377629eSEli Britstein } 22378377629eSEli Britstein 22386d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 22396d65bc64Swenxu struct flow_cls_offload *f) 22406d65bc64Swenxu { 22416d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22426d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 22436d65bc64Swenxu struct net_device *ingress_dev; 22446d65bc64Swenxu struct flow_match_meta match; 22456d65bc64Swenxu 22466d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 22476d65bc64Swenxu return 0; 22486d65bc64Swenxu 22496d65bc64Swenxu flow_rule_match_meta(rule, &match); 2250e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2251e3e0f9b2Swenxu return 0; 2252e3e0f9b2Swenxu 22536d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 22546d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2255a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 22566d65bc64Swenxu } 22576d65bc64Swenxu 22586d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 22596d65bc64Swenxu match.key->ingress_ifindex); 22606d65bc64Swenxu if (!ingress_dev) { 22616d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22626d65bc64Swenxu "Can't find the ingress port to match on"); 2263a683012aSPablo Neira Ayuso return -ENOENT; 22646d65bc64Swenxu } 22656d65bc64Swenxu 22666d65bc64Swenxu if (ingress_dev != filter_dev) { 22676d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22686d65bc64Swenxu "Can't match on the ingress filter port"); 2269a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 22706d65bc64Swenxu } 22716d65bc64Swenxu 22726d65bc64Swenxu return 0; 22736d65bc64Swenxu } 22746d65bc64Swenxu 227572046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 227672046a91SEli Cohen struct flow_cls_offload *f) 227772046a91SEli Cohen { 227872046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 227972046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 228072046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 228172046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 228272046a91SEli Cohen */ 228372046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 228472046a91SEli Cohen return true; 228572046a91SEli Cohen 228672046a91SEli Cohen return false; 228772046a91SEli Cohen } 228872046a91SEli Cohen 2289de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 22900a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2291de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2292f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 229354c177caSOz Shlomo struct net_device *filter_dev, 229493b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2295e3a2b7edSAmir Vadai { 2296e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2297c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2298c5bb1730SMaor Gottlieb outer_headers); 2299c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2300c5bb1730SMaor Gottlieb outer_headers); 2301699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2302699e96ddSJianbo Liu misc_parameters); 2303699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2304699e96ddSJianbo Liu misc_parameters); 2305a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2306a3222a2dSMaor Dickman misc_parameters_3); 2307a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2308a3222a2dSMaor Dickman misc_parameters_3); 2309f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 23108f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2311afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2312b6dfff21SPaul Blakey bool match_inner_ecn = true; 2313e3a2b7edSAmir Vadai u16 addr_type = 0; 2314e3a2b7edSAmir Vadai u8 ip_proto = 0; 231593b3586eSHuy Nguyen u8 *match_level; 23166d65bc64Swenxu int err; 2317e3a2b7edSAmir Vadai 2318afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 231993b3586eSHuy Nguyen match_level = outer_match_level; 2320de0af0bfSRoi Dayan 23218f256622SPablo Neira Ayuso if (dissector->used_keys & 23223d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 23233d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2324e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2325e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2326095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2327699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2328e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2329e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2330bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2331bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2332bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2333bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2334bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2335e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2336fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2337bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 23384c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 23399272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 234072046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2341a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 234272046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2343e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 234448470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 23458f256622SPablo Neira Ayuso dissector->used_keys); 2346e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2347e3a2b7edSAmir Vadai } 2348e3a2b7edSAmir Vadai 2349075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 23500a7fcb78SPaul Blakey bool match_inner = false; 2351bbd00f7eSHadar Hen Zion 23520a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 23530a7fcb78SPaul Blakey outer_match_level, &match_inner); 23540a7fcb78SPaul Blakey if (err) 23550a7fcb78SPaul Blakey return err; 23560a7fcb78SPaul Blakey 23570a7fcb78SPaul Blakey if (match_inner) { 23580a7fcb78SPaul Blakey /* header pointers should point to the inner headers 23590a7fcb78SPaul Blakey * if the packet was decapsulated already. 23600a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2361bbd00f7eSHadar Hen Zion */ 236293b3586eSHuy Nguyen match_level = inner_match_level; 23630a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 23640a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 23650a7fcb78SPaul Blakey } 2366b6dfff21SPaul Blakey 2367b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2368b6dfff21SPaul Blakey if (err) 2369b6dfff21SPaul Blakey return err; 2370bbd00f7eSHadar Hen Zion } 2371bbd00f7eSHadar Hen Zion 23726d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 23736d65bc64Swenxu if (err) 23746d65bc64Swenxu return err; 23756d65bc64Swenxu 237672046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 237772046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 23788f256622SPablo Neira Ayuso struct flow_match_basic match; 2379e3a2b7edSAmir Vadai 23808f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2381fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2382fca53304SEli Britstein match_level == outer_match_level, 2383fca53304SEli Britstein headers_c, headers_v); 23848f256622SPablo Neira Ayuso 23858f256622SPablo Neira Ayuso if (match.mask->n_proto) 2386d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2387e3a2b7edSAmir Vadai } 238835a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 238935a605dbSEli Britstein is_vlan_dev(filter_dev)) { 239035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 239135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 23928f256622SPablo Neira Ayuso struct flow_match_vlan match; 23938f256622SPablo Neira Ayuso 239435a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 239535a605dbSEli Britstein match.key = &filter_dev_key; 239635a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 239735a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 239835a605dbSEli Britstein match.key->vlan_priority = 0; 239935a605dbSEli Britstein match.mask = &filter_dev_mask; 240035a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 240135a605dbSEli Britstein match.mask->vlan_priority = 0; 240235a605dbSEli Britstein } else { 24038f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 240435a605dbSEli Britstein } 24058f256622SPablo Neira Ayuso if (match.mask->vlan_id || 24068f256622SPablo Neira Ayuso match.mask->vlan_priority || 24078f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 24088f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2409699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2410699e96ddSJianbo Liu svlan_tag, 1); 2411699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2412699e96ddSJianbo Liu svlan_tag, 1); 2413699e96ddSJianbo Liu } else { 2414699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2415699e96ddSJianbo Liu cvlan_tag, 1); 2416699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2417699e96ddSJianbo Liu cvlan_tag, 1); 2418699e96ddSJianbo Liu } 2419095b6cfdSOr Gerlitz 24208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 24218f256622SPablo Neira Ayuso match.mask->vlan_id); 24228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 24238f256622SPablo Neira Ayuso match.key->vlan_id); 2424358d79a4SOr Gerlitz 24258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 24268f256622SPablo Neira Ayuso match.mask->vlan_priority); 24278f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 24288f256622SPablo Neira Ayuso match.key->vlan_priority); 242954782900SOr Gerlitz 2430d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2431095b6cfdSOr Gerlitz } 2432d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2433fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2434fc603294SMark Bloch * disabled in match value means both S & C tags 2435fc603294SMark Bloch * don't exist (untagged of both) 2436fc603294SMark Bloch */ 2437cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2438d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2439095b6cfdSOr Gerlitz } 2440095b6cfdSOr Gerlitz 24418f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 24428f256622SPablo Neira Ayuso struct flow_match_vlan match; 24438f256622SPablo Neira Ayuso 244412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 24458f256622SPablo Neira Ayuso if (match.mask->vlan_id || 24468f256622SPablo Neira Ayuso match.mask->vlan_priority || 24478f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2448afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2449afe93f71SRoi Dayan fs_type)) { 2450afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2451afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2452afe93f71SRoi Dayan return -EOPNOTSUPP; 2453afe93f71SRoi Dayan } 2454afe93f71SRoi Dayan 24558f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2456699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2457699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2458699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2459699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2460699e96ddSJianbo Liu } else { 2461699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2462699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2463699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2464699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2465699e96ddSJianbo Liu } 2466699e96ddSJianbo Liu 2467699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 24688f256622SPablo Neira Ayuso match.mask->vlan_id); 2469699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 24708f256622SPablo Neira Ayuso match.key->vlan_id); 2471699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 24728f256622SPablo Neira Ayuso match.mask->vlan_priority); 2473699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 24748f256622SPablo Neira Ayuso match.key->vlan_priority); 2475699e96ddSJianbo Liu 2476699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 24770faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2478699e96ddSJianbo Liu } 2479699e96ddSJianbo Liu } 2480699e96ddSJianbo Liu 24818f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 24828f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 248354782900SOr Gerlitz 24848f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2485d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2486d3a80bb5SOr Gerlitz dmac_47_16), 24878f256622SPablo Neira Ayuso match.mask->dst); 2488d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2489d3a80bb5SOr Gerlitz dmac_47_16), 24908f256622SPablo Neira Ayuso match.key->dst); 2491d3a80bb5SOr Gerlitz 2492d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2493d3a80bb5SOr Gerlitz smac_47_16), 24948f256622SPablo Neira Ayuso match.mask->src); 2495d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2496d3a80bb5SOr Gerlitz smac_47_16), 24978f256622SPablo Neira Ayuso match.key->src); 2498d3a80bb5SOr Gerlitz 24998f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 25008f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2501d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 250254782900SOr Gerlitz } 250354782900SOr Gerlitz 25048f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 25058f256622SPablo Neira Ayuso struct flow_match_control match; 250654782900SOr Gerlitz 25078f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 25088f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 250954782900SOr Gerlitz 251054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 25110885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 25120885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 251354782900SOr Gerlitz return -EOPNOTSUPP; 25140885ae1aSAbhiram R N } 251554782900SOr Gerlitz 25168f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 251754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 251854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 25198f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 252054782900SOr Gerlitz 252154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 25228f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 252383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 252454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 252554782900SOr Gerlitz else 252683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 252754782900SOr Gerlitz } 252854782900SOr Gerlitz } 252954782900SOr Gerlitz 25308f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 25318f256622SPablo Neira Ayuso struct flow_match_basic match; 25328f256622SPablo Neira Ayuso 25338f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 25348f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 253554782900SOr Gerlitz 253654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 25378f256622SPablo Neira Ayuso match.mask->ip_proto); 253854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 25398f256622SPablo Neira Ayuso match.key->ip_proto); 254054782900SOr Gerlitz 25418f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2542d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 254354782900SOr Gerlitz } 254454782900SOr Gerlitz 2545e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 25468f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2547e3a2b7edSAmir Vadai 25488f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2549e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2550e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 25518f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2552e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2553e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 25548f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2555e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2556e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 25578f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2558e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2559e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 25608f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2561de0af0bfSRoi Dayan 25628f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2563d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2564e3a2b7edSAmir Vadai } 2565e3a2b7edSAmir Vadai 2566e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 25678f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2568e3a2b7edSAmir Vadai 25698f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2570e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2571e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 25728f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2573e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2574e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 25758f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2576e3a2b7edSAmir Vadai 2577e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2578e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 25798f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2580e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2581e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 25828f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2583de0af0bfSRoi Dayan 25848f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 25858f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2586d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2587e3a2b7edSAmir Vadai } 2588e3a2b7edSAmir Vadai 25898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 25908f256622SPablo Neira Ayuso struct flow_match_ip match; 25911f97a526SOr Gerlitz 25928f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2593b6dfff21SPaul Blakey if (match_inner_ecn) { 25948f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 25958f256622SPablo Neira Ayuso match.mask->tos & 0x3); 25968f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 25978f256622SPablo Neira Ayuso match.key->tos & 0x3); 2598b6dfff21SPaul Blakey } 25991f97a526SOr Gerlitz 26008f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 26018f256622SPablo Neira Ayuso match.mask->tos >> 2); 26028f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 26038f256622SPablo Neira Ayuso match.key->tos >> 2); 26041f97a526SOr Gerlitz 26058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 26068f256622SPablo Neira Ayuso match.mask->ttl); 26078f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 26088f256622SPablo Neira Ayuso match.key->ttl); 26091f97a526SOr Gerlitz 26108f256622SPablo Neira Ayuso if (match.mask->ttl && 2611a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2612e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2613e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2614e98bedf5SEli Britstein "Matching on TTL is not supported"); 26151f97a526SOr Gerlitz return -EOPNOTSUPP; 2616e98bedf5SEli Britstein } 2617a8ade55fSOr Gerlitz 26188f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2619d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 26201f97a526SOr Gerlitz } 26211f97a526SOr Gerlitz 262254782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 262354782900SOr Gerlitz 26248f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 26258f256622SPablo Neira Ayuso struct flow_match_ports match; 26268f256622SPablo Neira Ayuso 26278f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2628e3a2b7edSAmir Vadai switch (ip_proto) { 2629e3a2b7edSAmir Vadai case IPPROTO_TCP: 2630e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26318f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2632e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26338f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2634e3a2b7edSAmir Vadai 2635e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26368f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2637e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26388f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2639e3a2b7edSAmir Vadai break; 2640e3a2b7edSAmir Vadai 2641e3a2b7edSAmir Vadai case IPPROTO_UDP: 2642e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26438f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2644e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26458f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2646e3a2b7edSAmir Vadai 2647e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26488f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2649e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26508f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2651e3a2b7edSAmir Vadai break; 2652e3a2b7edSAmir Vadai default: 2653e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2654e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2655e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2656e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2657e3a2b7edSAmir Vadai return -EINVAL; 2658e3a2b7edSAmir Vadai } 2659de0af0bfSRoi Dayan 26608f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2661d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2662e3a2b7edSAmir Vadai } 2663e3a2b7edSAmir Vadai 26648f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 26658f256622SPablo Neira Ayuso struct flow_match_tcp match; 2666e77834ecSOr Gerlitz 26678f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2668e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 26698f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2670e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 26718f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2672e77834ecSOr Gerlitz 26738f256622SPablo Neira Ayuso if (match.mask->flags) 2674d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2675e77834ecSOr Gerlitz } 2676a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2677a3222a2dSMaor Dickman struct flow_match_icmp match; 2678e77834ecSOr Gerlitz 2679a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2680a3222a2dSMaor Dickman switch (ip_proto) { 2681a3222a2dSMaor Dickman case IPPROTO_ICMP: 2682a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 26830885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 26840885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 26850885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2686a3222a2dSMaor Dickman return -EOPNOTSUPP; 26870885ae1aSAbhiram R N } 2688a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2689a3222a2dSMaor Dickman match.mask->type); 2690a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2691a3222a2dSMaor Dickman match.key->type); 2692a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2693a3222a2dSMaor Dickman match.mask->code); 2694a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2695a3222a2dSMaor Dickman match.key->code); 2696a3222a2dSMaor Dickman break; 2697a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2698a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 26990885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 27000885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 27010885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2702a3222a2dSMaor Dickman return -EOPNOTSUPP; 27030885ae1aSAbhiram R N } 2704a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2705a3222a2dSMaor Dickman match.mask->type); 2706a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2707a3222a2dSMaor Dickman match.key->type); 2708a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2709a3222a2dSMaor Dickman match.mask->code); 2710a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2711a3222a2dSMaor Dickman match.key->code); 2712a3222a2dSMaor Dickman break; 2713a3222a2dSMaor Dickman default: 2714a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2715a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2716a3222a2dSMaor Dickman netdev_err(priv->netdev, 2717a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2718a3222a2dSMaor Dickman return -EINVAL; 2719a3222a2dSMaor Dickman } 2720a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2721a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2722a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2723a3222a2dSMaor Dickman } 2724a3222a2dSMaor Dickman } 272539c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 27267d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 27277d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 27287d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 27297d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 27307d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 27317d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 27327d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 27337d6c86e3SAlaa Hleihel } 27347d6c86e3SAlaa Hleihel 2735e3a2b7edSAmir Vadai return 0; 2736e3a2b7edSAmir Vadai } 2737e3a2b7edSAmir Vadai 2738de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 273965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2740de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2741f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 274254c177caSOz Shlomo struct net_device *filter_dev) 2743de0af0bfSRoi Dayan { 274493b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2745e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2746de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2747de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 27481d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 27491d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2750226f2ca3SVlad Buslov bool is_eswitch_flow; 2751de0af0bfSRoi Dayan int err; 2752de0af0bfSRoi Dayan 275393b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 275493b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 275593b3586eSHuy Nguyen 27560a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 27570a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 275893b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 275993b3586eSHuy Nguyen outer_match_level : inner_match_level; 2760de0af0bfSRoi Dayan 2761226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2762226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 27631d447a39SSaeed Mahameed rep = rpriv->rep; 2764b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 27651d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 276693b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2767e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2768e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2769de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2770de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 277193b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2772de0af0bfSRoi Dayan return -EOPNOTSUPP; 2773de0af0bfSRoi Dayan } 2774de0af0bfSRoi Dayan } 2775de0af0bfSRoi Dayan 2776c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2777c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2778c620b772SAriel Levkovich 277938aa51c1SOr Gerlitz 2780de0af0bfSRoi Dayan return err; 2781de0af0bfSRoi Dayan } 2782de0af0bfSRoi Dayan 2783d79b6df6SOr Gerlitz struct mlx5_fields { 2784d79b6df6SOr Gerlitz u8 field; 278588f30bbcSDmytro Linkin u8 field_bsize; 278688f30bbcSDmytro Linkin u32 field_mask; 2787d79b6df6SOr Gerlitz u32 offset; 278827c11b6bSEli Britstein u32 match_offset; 2789d79b6df6SOr Gerlitz }; 2790d79b6df6SOr Gerlitz 279188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 279288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 279327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 279427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 279527c11b6bSEli Britstein 27962ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 27972ef86872SEli Britstein * match. 27982ef86872SEli Britstein */ 27992ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 28002ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 28012ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 28022ef86872SEli Britstein type maskx = *(type *)(maskp); \ 28032ef86872SEli Britstein type valx = *(type *)(valp); \ 28042ef86872SEli Britstein \ 28052ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 28062ef86872SEli Britstein matchmaskx)); \ 28072ef86872SEli Britstein }) 28082ef86872SEli Britstein 280927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 281088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 281127c11b6bSEli Britstein { 281227c11b6bSEli Britstein bool same = false; 281327c11b6bSEli Britstein 281488f30bbcSDmytro Linkin switch (bsize) { 281588f30bbcSDmytro Linkin case 8: 28162ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 281727c11b6bSEli Britstein break; 281888f30bbcSDmytro Linkin case 16: 28192ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 282027c11b6bSEli Britstein break; 282188f30bbcSDmytro Linkin case 32: 28222ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 282327c11b6bSEli Britstein break; 282427c11b6bSEli Britstein } 282527c11b6bSEli Britstein 282627c11b6bSEli Britstein return same; 282727c11b6bSEli Britstein } 2828a8e4f0c4SOr Gerlitz 2829d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 283088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 283188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 283288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 283388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 283488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 283588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2836d79b6df6SOr Gerlitz 2837ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 283888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 283988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 284088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2841d79b6df6SOr Gerlitz 284288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 284327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 284488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 284527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 284688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 284727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 284888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 284927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 285088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 285127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 285288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 285327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 285488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 285527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 285688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 285727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 285888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2859748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2860d79b6df6SOr Gerlitz 286188f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 286288f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 286388f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 286488f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2865d79b6df6SOr Gerlitz 286688f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 286788f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2868d79b6df6SOr Gerlitz }; 2869d79b6df6SOr Gerlitz 287082198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 287182198d8bSMaor Dickman { 287282198d8bSMaor Dickman __be32 mask_be32; 287382198d8bSMaor Dickman __be16 mask_be16; 287482198d8bSMaor Dickman 287582198d8bSMaor Dickman if (size == 32) { 287682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 287782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 287882198d8bSMaor Dickman } else if (size == 16) { 287982198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 288082198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 288182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 288282198d8bSMaor Dickman } 288382198d8bSMaor Dickman 288482198d8bSMaor Dickman return mask; 288582198d8bSMaor Dickman } 288609bf9792SRoi Dayan 28876ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 28886ae4a6a5SPaul Blakey int namespace, 2889e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 289027c11b6bSEli Britstein u32 *action_flags, 2891e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2892d79b6df6SOr Gerlitz { 2893d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 289409bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 289588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 289688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 28976ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 289882198d8bSMaor Dickman unsigned long mask, field_mask; 28992c0e5cf5SPaul Blakey int i, first, last, next_z; 29002c0e5cf5SPaul Blakey struct mlx5_fields *f; 290188f30bbcSDmytro Linkin u8 cmd; 290288f30bbcSDmytro Linkin 29036ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 29048ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 29058ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 2906d79b6df6SOr Gerlitz 290773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 290873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 290973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 291073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2911d79b6df6SOr Gerlitz 2912d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 291327c11b6bSEli Britstein bool skip; 291427c11b6bSEli Britstein 2915d79b6df6SOr Gerlitz f = &fields[i]; 2916d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2917e3ca4e05SOr Gerlitz s_mask = 0; 2918e3ca4e05SOr Gerlitz a_mask = 0; 2919d79b6df6SOr Gerlitz 2920d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2921d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2922d79b6df6SOr Gerlitz 292388f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 292488f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2925d79b6df6SOr Gerlitz 2926d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2927d79b6df6SOr Gerlitz continue; 2928d79b6df6SOr Gerlitz 2929d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2930e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2931e98bedf5SEli Britstein "can't set and add to the same HW field"); 293261b6a6c3SCai Huoqing netdev_warn(priv->netdev, 293361b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 293461b6a6c3SCai Huoqing f->field); 2935d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2936d79b6df6SOr Gerlitz } 2937d79b6df6SOr Gerlitz 293827c11b6bSEli Britstein skip = false; 2939d79b6df6SOr Gerlitz if (s_mask) { 294027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 294127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 294227c11b6bSEli Britstein 2943d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2944d79b6df6SOr Gerlitz mask = s_mask; 2945d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 294627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 294727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 294888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 294927c11b6bSEli Britstein skip = true; 2950d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 295188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2952d79b6df6SOr Gerlitz } else { 2953d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2954d79b6df6SOr Gerlitz mask = a_mask; 2955d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 295627c11b6bSEli Britstein /* add 0 is no change */ 295788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 295827c11b6bSEli Britstein skip = true; 2959d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 296088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2961d79b6df6SOr Gerlitz } 296227c11b6bSEli Britstein if (skip) 296327c11b6bSEli Britstein continue; 2964d79b6df6SOr Gerlitz 296582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 29662b64bebaSOr Gerlitz 296788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 296888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 296988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 29702b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2971e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2972e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 297361b6a6c3SCai Huoqing netdev_warn(priv->netdev, 297461b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2975d79b6df6SOr Gerlitz mask); 2976d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2977d79b6df6SOr Gerlitz } 2978d79b6df6SOr Gerlitz 29792c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 29802c0e5cf5SPaul Blakey if (IS_ERR(action)) { 29816ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29826ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 29836ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 29846ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 29856ae4a6a5SPaul Blakey mod_acts->num_actions); 29862c0e5cf5SPaul Blakey return PTR_ERR(action); 29876ae4a6a5SPaul Blakey } 29886ae4a6a5SPaul Blakey 2989d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2990d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2991d79b6df6SOr Gerlitz 2992d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 299388f30bbcSDmytro Linkin int start; 299488f30bbcSDmytro Linkin 299582198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 299682198d8bSMaor Dickman 299788f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 299882198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 299988f30bbcSDmytro Linkin 300088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3001d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 30022b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3003d79b6df6SOr Gerlitz } 3004d79b6df6SOr Gerlitz 300588f30bbcSDmytro Linkin if (f->field_bsize == 32) 30062b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 300788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 30082b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 300988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 30102b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3011d79b6df6SOr Gerlitz 30126ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3013d79b6df6SOr Gerlitz } 3014d79b6df6SOr Gerlitz 3015d79b6df6SOr Gerlitz return 0; 3016d79b6df6SOr Gerlitz } 3017d79b6df6SOr Gerlitz 3018d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3019d79b6df6SOr Gerlitz 3020918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3021c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3022c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3023c500c86bSPablo Neira Ayuso { 3024c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3025c500c86bSPablo Neira Ayuso u8 cmd; 3026c500c86bSPablo Neira Ayuso 3027d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 302809bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3029d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 303009bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3031b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3032d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3033d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3034918ed7bfSRoi Dayan return -EOPNOTSUPP; 3035918ed7bfSRoi Dayan } 3036918ed7bfSRoi Dayan } 3037918ed7bfSRoi Dayan 3038918ed7bfSRoi Dayan return 0; 3039918ed7bfSRoi Dayan } 3040918ed7bfSRoi Dayan 3041918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3042918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3043918ed7bfSRoi Dayan u32 *action_flags, 3044918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3045918ed7bfSRoi Dayan { 3046918ed7bfSRoi Dayan int err; 3047918ed7bfSRoi Dayan 3048918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3049918ed7bfSRoi Dayan if (err) 3050d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3051918ed7bfSRoi Dayan 3052918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3053918ed7bfSRoi Dayan if (err) 3054918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3055d79b6df6SOr Gerlitz 3056d79b6df6SOr Gerlitz return 0; 3057d79b6df6SOr Gerlitz 3058d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30592c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3060d79b6df6SOr Gerlitz return err; 3061d79b6df6SOr Gerlitz } 3062d79b6df6SOr Gerlitz 30638998576bSDmytro Linkin struct ip_ttl_word { 30648998576bSDmytro Linkin __u8 ttl; 30658998576bSDmytro Linkin __u8 protocol; 30668998576bSDmytro Linkin __sum16 check; 30678998576bSDmytro Linkin }; 30688998576bSDmytro Linkin 30698998576bSDmytro Linkin struct ipv6_hoplimit_word { 30708998576bSDmytro Linkin __be16 payload_len; 30718998576bSDmytro Linkin __u8 nexthdr; 30728998576bSDmytro Linkin __u8 hop_limit; 30738998576bSDmytro Linkin }; 30748998576bSDmytro Linkin 30751836d780SRoi Dayan static bool 30761836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 30771836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 30784c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30798998576bSDmytro Linkin { 30808998576bSDmytro Linkin u32 mask, offset; 30818998576bSDmytro Linkin u8 htype; 30828998576bSDmytro Linkin 30838998576bSDmytro Linkin htype = act->mangle.htype; 30848998576bSDmytro Linkin offset = act->mangle.offset; 30858998576bSDmytro Linkin mask = ~act->mangle.mask; 30868998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30878998576bSDmytro Linkin * to determine that modified fields 30888998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30898998576bSDmytro Linkin */ 30908998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30918998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30928998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30938998576bSDmytro Linkin 30948998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30958998576bSDmytro Linkin ttl_word->protocol || 30968998576bSDmytro Linkin ttl_word->check) { 30974c3844d9SPaul Blakey *modify_ip_header = true; 30984c3844d9SPaul Blakey } 30994c3844d9SPaul Blakey 31007e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 31017e36feebSPaul Blakey *modify_tuple = true; 31027e36feebSPaul Blakey 31037e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31044c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31054c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 31061836d780SRoi Dayan return false; 31078998576bSDmytro Linkin } 31088998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 31098998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 31108998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 31118998576bSDmytro Linkin 31128998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 31138998576bSDmytro Linkin hoplimit_word->payload_len || 31148998576bSDmytro Linkin hoplimit_word->nexthdr) { 31154c3844d9SPaul Blakey *modify_ip_header = true; 31168998576bSDmytro Linkin } 31174c3844d9SPaul Blakey 31187e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 31197e36feebSPaul Blakey *modify_tuple = true; 31207e36feebSPaul Blakey 31217e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31224c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31234c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31241836d780SRoi Dayan return false; 31258998576bSDmytro Linkin } 31267e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31277e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31287e36feebSPaul Blakey *modify_tuple = true; 31297e36feebSPaul Blakey if (ct_flow) { 31304c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31314c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31321836d780SRoi Dayan return false; 31334c3844d9SPaul Blakey } 31347e36feebSPaul Blakey } 31354c3844d9SPaul Blakey 31361836d780SRoi Dayan return true; 31378998576bSDmytro Linkin } 31388998576bSDmytro Linkin 313996b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 314096b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 314196b5b458SDima Chumak struct mlx5e_priv *priv, 314296b5b458SDima Chumak struct mlx5_flow_spec *spec) 314396b5b458SDima Chumak { 314496b5b458SDima Chumak if (!modify_tuple || ct_clear) 314596b5b458SDima Chumak return true; 314696b5b458SDima Chumak 314796b5b458SDima Chumak if (ct_flow) { 314896b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 314996b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 315096b5b458SDima Chumak netdev_info(priv->netdev, 315196b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 315296b5b458SDima Chumak return false; 315396b5b458SDima Chumak } 315496b5b458SDima Chumak 315596b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 315696b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 315796b5b458SDima Chumak * we can't restore ct state 315896b5b458SDima Chumak */ 315996b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 316096b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 316196b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 316296b5b458SDima Chumak netdev_info(priv->netdev, 316396b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 316496b5b458SDima Chumak return false; 316596b5b458SDima Chumak } 316696b5b458SDima Chumak 316796b5b458SDima Chumak return true; 316896b5b458SDima Chumak } 316996b5b458SDima Chumak 31703d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 31713d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 317273867881SPablo Neira Ayuso struct flow_action *flow_action, 31734c3844d9SPaul Blakey u32 actions, bool ct_flow, 31747e36feebSPaul Blakey bool ct_clear, 3175e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3176bdd66ac0SOr Gerlitz { 317773867881SPablo Neira Ayuso const struct flow_action_entry *act; 31787e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3179fca53304SEli Britstein void *headers_c; 3180bdd66ac0SOr Gerlitz void *headers_v; 3181bdd66ac0SOr Gerlitz u16 ethertype; 31828998576bSDmytro Linkin u8 ip_proto; 31831836d780SRoi Dayan int i; 3184bdd66ac0SOr Gerlitz 31858ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 31868ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3187bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3188bdd66ac0SOr Gerlitz 3189bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3190fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3191fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3192bdd66ac0SOr Gerlitz goto out_ok; 3193bdd66ac0SOr Gerlitz 3194bdd66ac0SOr Gerlitz modify_ip_header = false; 31957e36feebSPaul Blakey modify_tuple = false; 319673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 319773867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 319873867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3199bdd66ac0SOr Gerlitz continue; 3200bdd66ac0SOr Gerlitz 32011836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 32027e36feebSPaul Blakey &modify_ip_header, 32031836d780SRoi Dayan &modify_tuple, extack)) 32041836d780SRoi Dayan return false; 3205bdd66ac0SOr Gerlitz } 3206bdd66ac0SOr Gerlitz 320796b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 320896b5b458SDima Chumak priv, spec)) 32097e36feebSPaul Blakey return false; 32107e36feebSPaul Blakey 3211bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 32121ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 32131ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3214e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3215e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 32163d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 32173d486ec4SOz Shlomo ip_proto); 3218bdd66ac0SOr Gerlitz return false; 3219bdd66ac0SOr Gerlitz } 3220bdd66ac0SOr Gerlitz 3221bdd66ac0SOr Gerlitz out_ok: 3222bdd66ac0SOr Gerlitz return true; 3223bdd66ac0SOr Gerlitz } 3224bdd66ac0SOr Gerlitz 32259c1d3511SRoi Dayan static bool 32269c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 32279c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 32289c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 32299c1d3511SRoi Dayan struct netlink_ext_ack *extack) 32309c1d3511SRoi Dayan { 3231d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 32329c1d3511SRoi Dayan bool ct_flow, ct_clear; 32339c1d3511SRoi Dayan 32349c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 32359c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 32369c1d3511SRoi Dayan 3237d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3238d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 32399c1d3511SRoi Dayan /* All registers used by ct are cleared when using 32409c1d3511SRoi Dayan * split rules. 32419c1d3511SRoi Dayan */ 32429c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 32439c1d3511SRoi Dayan return false; 32449c1d3511SRoi Dayan } 32459c1d3511SRoi Dayan 3246d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3247d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3248d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3249d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3250d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3251d4f401d9SRoi Dayan return false; 3252d4f401d9SRoi Dayan } 3253d4f401d9SRoi Dayan 32549c1d3511SRoi Dayan return true; 32559c1d3511SRoi Dayan } 32569c1d3511SRoi Dayan 32579c1d3511SRoi Dayan static bool 32589c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 325973867881SPablo Neira Ayuso struct flow_action *flow_action, 3260*0610f8dcSRoi Dayan u32 actions, 3261bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3262e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3263e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3264bdd66ac0SOr Gerlitz { 32659c1d3511SRoi Dayan bool ct_flow, ct_clear; 3266bdd66ac0SOr Gerlitz 32679c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3268a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3269c620b772SAriel Levkovich 32706b50cf45SRoi Dayan if (!(actions & 32716b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 32726b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 32736b50cf45SRoi Dayan return false; 32746b50cf45SRoi Dayan } 32756b50cf45SRoi Dayan 32765623ef8aSRoi Dayan if (!(~actions & 32775623ef8aSRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 32785623ef8aSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 32795623ef8aSRoi Dayan return false; 32805623ef8aSRoi Dayan } 32815623ef8aSRoi Dayan 32829c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 3283a2446bc7SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 3284a2446bc7SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 3285a2446bc7SRoi Dayan return false; 3286a2446bc7SRoi Dayan } 3287a2446bc7SRoi Dayan 32889c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 32899c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 32909c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 329149397b80SDan Carpenter return false; 3292bdd66ac0SOr Gerlitz 32939c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 32949c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 32959c1d3511SRoi Dayan return false; 3296bdd66ac0SOr Gerlitz 3297bdd66ac0SOr Gerlitz return true; 3298bdd66ac0SOr Gerlitz } 3299bdd66ac0SOr Gerlitz 330032134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 330132134847SMaor Dickman { 330232134847SMaor Dickman return priv->mdev == peer_priv->mdev; 330332134847SMaor Dickman } 330432134847SMaor Dickman 3305ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 33065c65c564SOr Gerlitz { 33075c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3308816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 33095c65c564SOr Gerlitz 33105c65c564SOr Gerlitz fmdev = priv->mdev; 33115c65c564SOr Gerlitz pmdev = peer_priv->mdev; 33125c65c564SOr Gerlitz 331359c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 331459c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 33155c65c564SOr Gerlitz 3316816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 33175c65c564SOr Gerlitz } 33185c65c564SOr Gerlitz 33190bac1194SEli Britstein static int 33208333d53eSRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 33218333d53eSRoi Dayan struct flow_action *flow_action) 33228333d53eSRoi Dayan { 33238333d53eSRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 33248333d53eSRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 33258333d53eSRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 33268333d53eSRoi Dayan enum mlx5_flow_namespace_type ns_type; 33278333d53eSRoi Dayan struct mlx5e_priv *priv = flow->priv; 33288333d53eSRoi Dayan const struct flow_action_entry *act; 33298333d53eSRoi Dayan struct mlx5e_tc_act *tc_act; 33308333d53eSRoi Dayan int err, i; 33318333d53eSRoi Dayan 33328333d53eSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 33338333d53eSRoi Dayan 33348333d53eSRoi Dayan flow_action_for_each(i, act, flow_action) { 33358333d53eSRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 33368333d53eSRoi Dayan if (!tc_act) { 33378333d53eSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 33388333d53eSRoi Dayan return -EOPNOTSUPP; 33398333d53eSRoi Dayan } 33408333d53eSRoi Dayan 33418be9686dSRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) 33428333d53eSRoi Dayan return -EOPNOTSUPP; 33438333d53eSRoi Dayan 33448333d53eSRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 33458333d53eSRoi Dayan if (err) 33468333d53eSRoi Dayan return err; 3347*0610f8dcSRoi Dayan 3348*0610f8dcSRoi Dayan parse_state->actions |= attr->action; 33498333d53eSRoi Dayan } 33508333d53eSRoi Dayan 3351dd5ab6d1SRoi Dayan flow_action_for_each(i, act, flow_action) { 3352dd5ab6d1SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 3353dd5ab6d1SRoi Dayan if (!tc_act || !tc_act->post_parse || 33548be9686dSRoi Dayan !tc_act->can_offload(parse_state, act, i, attr)) 3355dd5ab6d1SRoi Dayan continue; 3356dd5ab6d1SRoi Dayan 3357dd5ab6d1SRoi Dayan err = tc_act->post_parse(parse_state, priv, attr); 3358dd5ab6d1SRoi Dayan if (err) 3359dd5ab6d1SRoi Dayan return err; 3360dd5ab6d1SRoi Dayan } 3361dd5ab6d1SRoi Dayan 33628333d53eSRoi Dayan return 0; 33638333d53eSRoi Dayan } 33648333d53eSRoi Dayan 33658333d53eSRoi Dayan static int 3366d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3367d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3368d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3369d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3370d9581e2fSRoi Dayan { 3371d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 337209bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3373d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3374d9581e2fSRoi Dayan int err; 3375d9581e2fSRoi Dayan 3376d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3377d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3378d9581e2fSRoi Dayan return 0; 3379d9581e2fSRoi Dayan 3380e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3381d9581e2fSRoi Dayan 338209bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3383d9581e2fSRoi Dayan if (err) 3384d9581e2fSRoi Dayan return err; 3385d9581e2fSRoi Dayan 3386d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3387d9581e2fSRoi Dayan return 0; 3388d9581e2fSRoi Dayan 3389fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3390d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33912c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3392d9581e2fSRoi Dayan 3393d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3394d9581e2fSRoi Dayan return 0; 3395d9581e2fSRoi Dayan 3396d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3397d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3398d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3399d9581e2fSRoi Dayan 3400d9581e2fSRoi Dayan return 0; 3401d9581e2fSRoi Dayan } 3402d9581e2fSRoi Dayan 3403d9581e2fSRoi Dayan static int 3404df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3405df990477SRoi Dayan struct netlink_ext_ack *extack) 3406df990477SRoi Dayan { 3407df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3408df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3409df990477SRoi Dayan return -EINVAL; 3410df990477SRoi Dayan } 3411df990477SRoi Dayan 3412df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3413df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3414df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3415df990477SRoi Dayan return -EOPNOTSUPP; 3416df990477SRoi Dayan } 3417df990477SRoi Dayan 3418df990477SRoi Dayan return 0; 3419df990477SRoi Dayan } 3420df990477SRoi Dayan 3421df990477SRoi Dayan static int 3422d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 342373867881SPablo Neira Ayuso struct flow_action *flow_action, 3424e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3425e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3426e3a2b7edSAmir Vadai { 3427fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3428c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3429c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 34308333d53eSRoi Dayan int err; 3431e3a2b7edSAmir Vadai 3432df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3433df990477SRoi Dayan if (err) 3434df990477SRoi Dayan return err; 3435319a1d19SJiri Pirko 3436fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3437c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3438fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3439fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3440758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3441e3a2b7edSAmir Vadai 34428333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3443fad54790SRoi Dayan if (err) 3444fad54790SRoi Dayan return err; 3445e3a2b7edSAmir Vadai 344609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 3447d9581e2fSRoi Dayan if (err) 3448d9581e2fSRoi Dayan return err; 3449d9581e2fSRoi Dayan 3450*0610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 3451*0610f8dcSRoi Dayan parse_attr, flow, extack)) 3452bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3453bdd66ac0SOr Gerlitz 3454e3a2b7edSAmir Vadai return 0; 3455e3a2b7edSAmir Vadai } 3456e3a2b7edSAmir Vadai 345732134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3458b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3459b1d90e6bSRabie Loulou { 3460b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3461b1d90e6bSRabie Loulou 3462b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3463b1d90e6bSRabie Loulou 3464b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 346532134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 346632134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 3467ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 3468d34eb2fcSOr Gerlitz } 3469d34eb2fcSOr Gerlitz 347032134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 347132134847SMaor Dickman struct net_device *peer_netdev) 347232134847SMaor Dickman { 347332134847SMaor Dickman struct mlx5e_priv *peer_priv; 347432134847SMaor Dickman 347532134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 347632134847SMaor Dickman 347732134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 347832134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 3479ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 348032134847SMaor Dickman } 348132134847SMaor Dickman 348232134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 348332134847SMaor Dickman struct net_device *peer_netdev) 348432134847SMaor Dickman { 348532134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 348632134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 348732134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 348832134847SMaor Dickman } 348932134847SMaor Dickman 3490f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3491f6dc1264SPaul Blakey struct net_device *out_dev) 3492f6dc1264SPaul Blakey { 349332134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 349432134847SMaor Dickman return true; 349532134847SMaor Dickman 349632134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3497f6dc1264SPaul Blakey return true; 3498f6dc1264SPaul Blakey 3499f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 350032134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3501f6dc1264SPaul Blakey } 3502f6dc1264SPaul Blakey 350327484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 350427484f71SAriel Levkovich struct mlx5_flow_attr *attr, 350527484f71SAriel Levkovich int ifindex, 350627484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 350727484f71SAriel Levkovich u32 *action, 350827484f71SAriel Levkovich int out_index) 350927484f71SAriel Levkovich { 351027484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 351127484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 351227484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 351327484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 351427484f71SAriel Levkovich int err; 351527484f71SAriel Levkovich 351627484f71SAriel Levkovich parse_attr = attr->parse_attr; 351727484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 351827484f71SAriel Levkovich 351927484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 352027484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 352127484f71SAriel Levkovich return PTR_ERR(dest_int_port); 352227484f71SAriel Levkovich 352327484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 352427484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 352527484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 352627484f71SAriel Levkovich if (err) { 352727484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 352827484f71SAriel Levkovich return err; 352927484f71SAriel Levkovich } 353027484f71SAriel Levkovich 353127484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 353227484f71SAriel Levkovich 353327484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 353427484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 353527484f71SAriel Levkovich 353627484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 353727484f71SAriel Levkovich attr->dest_chain = 0; 353827484f71SAriel Levkovich 353927484f71SAriel Levkovich return 0; 354027484f71SAriel Levkovich } 354127484f71SAriel Levkovich 35428333d53eSRoi Dayan static int 35438333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 354473867881SPablo Neira Ayuso struct flow_action *flow_action, 3545e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 354670f8019eSRoi Dayan struct netlink_ext_ack *extack) 3547a54e20b4SHadar Hen Zion { 3548fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3549c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 3550c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3551c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 35528333d53eSRoi Dayan int err; 355303a9d11eSOr Gerlitz 3554df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3555df990477SRoi Dayan if (err) 3556df990477SRoi Dayan return err; 3557319a1d19SJiri Pirko 3558c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3559c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3560fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3561fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3562758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3563c620b772SAriel Levkovich 35648333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3565fad54790SRoi Dayan if (err) 3566fad54790SRoi Dayan return err; 3567bdd66ac0SOr Gerlitz 3568166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 3569166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 3570166f431eSAriel Levkovich esw_attr->out_count > 1) { 357127484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3572166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 357327484f71SAriel Levkovich return -EOPNOTSUPP; 357427484f71SAriel Levkovich } 357527484f71SAriel Levkovich 357609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 3577c500c86bSPablo Neira Ayuso if (err) 3578c500c86bSPablo Neira Ayuso return err; 3579c500c86bSPablo Neira Ayuso 3580*0610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 3581*0610f8dcSRoi Dayan parse_attr, flow, extack)) 3582bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3583bdd66ac0SOr Gerlitz 358431c8eba5SOr Gerlitz return 0; 358503a9d11eSOr Gerlitz } 358603a9d11eSOr Gerlitz 3587226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 358860bd4af8SOr Gerlitz { 3589226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 359060bd4af8SOr Gerlitz 3591226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3592226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3593226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3594226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 359560bd4af8SOr Gerlitz 3596226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3597226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3598226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3599226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 360084179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 360184179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3602d9ee0491SOr Gerlitz 360360bd4af8SOr Gerlitz *flow_flags = __flow_flags; 360460bd4af8SOr Gerlitz } 360560bd4af8SOr Gerlitz 360605866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 360705866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 360805866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 360905866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 361005866c82SOr Gerlitz .automatic_shrinking = true, 361105866c82SOr Gerlitz }; 361205866c82SOr Gerlitz 3613226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3614226f2ca3SVlad Buslov unsigned long flags) 361505866c82SOr Gerlitz { 3616d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 3617655dc3d2SOr Gerlitz 3618226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3619d1a3138fSPaul Blakey rpriv = priv->ppriv; 3620d1a3138fSPaul Blakey return &rpriv->tc_ht; 3621d9ee0491SOr Gerlitz } else /* NIC offload */ 362205866c82SOr Gerlitz return &priv->fs.tc.ht; 362305866c82SOr Gerlitz } 362405866c82SOr Gerlitz 362504de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 362604de7ddaSRoi Dayan { 3627c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 3628c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3629c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 3630226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 36311418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 36321418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 3633c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 36341418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 36351418ddd9SAviv Heller 363610fbb1cdSRoi Dayan if (!esw_paired) 363710fbb1cdSRoi Dayan return false; 363810fbb1cdSRoi Dayan 3639c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 3640c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 364110fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 364210fbb1cdSRoi Dayan return true; 364310fbb1cdSRoi Dayan 364410fbb1cdSRoi Dayan return false; 364504de7ddaSRoi Dayan } 364604de7ddaSRoi Dayan 3647c620b772SAriel Levkovich struct mlx5_flow_attr * 3648c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 3649c620b772SAriel Levkovich { 3650c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 3651c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 3652c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 3653c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 3654c620b772SAriel Levkovich 3655c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 3656c620b772SAriel Levkovich } 3657c620b772SAriel Levkovich 3658a88780a9SRoi Dayan static int 3659a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3660226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3661a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3662a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3663e3a2b7edSAmir Vadai { 366417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 3665c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 36663bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3667ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 3668ff7ea04aSGustavo A. R. Silva int out_index; 3669776b12b6SOr Gerlitz 3670c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 36711b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 3672ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 3673ff7ea04aSGustavo A. R. Silva goto err_free; 3674c620b772SAriel Levkovich 3675c620b772SAriel Levkovich flow->flags = flow_flags; 3676c620b772SAriel Levkovich flow->cookie = f->cookie; 3677c620b772SAriel Levkovich flow->priv = priv; 3678c620b772SAriel Levkovich 3679e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 3680ff7ea04aSGustavo A. R. Silva if (!attr) 3681e3a2b7edSAmir Vadai goto err_free; 3682ff7ea04aSGustavo A. R. Silva 3683c620b772SAriel Levkovich flow->attr = attr; 3684e3a2b7edSAmir Vadai 36855a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 36865a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 36875a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 368814e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 36895a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 369095435ad7SVlad Buslov init_completion(&flow->init_done); 3691362980eaSVlad Buslov init_completion(&flow->del_hw_done); 3692e3a2b7edSAmir Vadai 3693a88780a9SRoi Dayan *__flow = flow; 3694a88780a9SRoi Dayan *__parse_attr = parse_attr; 3695a88780a9SRoi Dayan 3696a88780a9SRoi Dayan return 0; 3697a88780a9SRoi Dayan 3698a88780a9SRoi Dayan err_free: 3699a88780a9SRoi Dayan kfree(flow); 3700a88780a9SRoi Dayan kvfree(parse_attr); 3701a88780a9SRoi Dayan return err; 3702adb4c123SOr Gerlitz } 3703adb4c123SOr Gerlitz 3704988ab9c7STonghao Zhang static void 3705c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 3706c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 3707c7569097SAriel Levkovich struct flow_cls_offload *f) 3708c7569097SAriel Levkovich { 3709c7569097SAriel Levkovich attr->parse_attr = parse_attr; 3710c7569097SAriel Levkovich attr->chain = f->common.chain_index; 3711c7569097SAriel Levkovich attr->prio = f->common.prio; 3712c7569097SAriel Levkovich } 3713c7569097SAriel Levkovich 3714c7569097SAriel Levkovich static void 3715c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 3716988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3717988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3718f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3719988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3720988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3721988ab9c7STonghao Zhang { 3722988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3723c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 3724988ab9c7STonghao Zhang 3725c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 3726988ab9c7STonghao Zhang 3727988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3728988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3729988ab9c7STonghao Zhang 3730988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3731988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3732988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3733988ab9c7STonghao Zhang else 3734988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3735988ab9c7STonghao Zhang } 3736988ab9c7STonghao Zhang 373771129676SJason Gunthorpe static struct mlx5e_tc_flow * 373804de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3739f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3740226f2ca3SVlad Buslov unsigned long flow_flags, 3741d11afc26SOz Shlomo struct net_device *filter_dev, 374204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 374371129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3744a88780a9SRoi Dayan { 3745f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3746a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3747a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3748a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3749a88780a9SRoi Dayan int attr_size, err; 3750a88780a9SRoi Dayan 3751226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3752a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3753a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3754a88780a9SRoi Dayan &parse_attr, &flow); 3755a88780a9SRoi Dayan if (err) 3756a88780a9SRoi Dayan goto out; 3757988ab9c7STonghao Zhang 3758d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3759c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 3760988ab9c7STonghao Zhang priv, parse_attr, 3761988ab9c7STonghao Zhang f, in_rep, in_mdev); 3762988ab9c7STonghao Zhang 376354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 376454c177caSOz Shlomo f, filter_dev); 3765d11afc26SOz Shlomo if (err) 3766d11afc26SOz Shlomo goto err_free; 3767a88780a9SRoi Dayan 37687e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 3769aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 3770c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 3771a88780a9SRoi Dayan if (err) 3772a88780a9SRoi Dayan goto err_free; 3773a88780a9SRoi Dayan 3774d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 3775d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 3776d4bb0531SRoi Dayan 377770f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 37784c3844d9SPaul Blakey if (err) 37794c3844d9SPaul Blakey goto err_free; 37804c3844d9SPaul Blakey 37817040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 378295435ad7SVlad Buslov complete_all(&flow->init_done); 3783ef06c9eeSRoi Dayan if (err) { 3784ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3785aa0cbbaeSOr Gerlitz goto err_free; 37865c40348cSOr Gerlitz 3787b4a23329SRoi Dayan add_unready_flow(flow); 3788ef06c9eeSRoi Dayan } 3789ef06c9eeSRoi Dayan 379071129676SJason Gunthorpe return flow; 3791e3a2b7edSAmir Vadai 3792e3a2b7edSAmir Vadai err_free: 37935a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3794a88780a9SRoi Dayan out: 379571129676SJason Gunthorpe return ERR_PTR(err); 3796a88780a9SRoi Dayan } 3797a88780a9SRoi Dayan 3798f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 379995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3800226f2ca3SVlad Buslov unsigned long flow_flags) 380104de7ddaSRoi Dayan { 380204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 380304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 3804c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 380504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 380604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 380704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 380804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 380904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 381004de7ddaSRoi Dayan int err = 0; 381104de7ddaSRoi Dayan 381204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 381304de7ddaSRoi Dayan if (!peer_esw) 381404de7ddaSRoi Dayan return -ENODEV; 381504de7ddaSRoi Dayan 381604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 381704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 381804de7ddaSRoi Dayan 381904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 382004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 382104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 382204de7ddaSRoi Dayan * peer mdev. 382304de7ddaSRoi Dayan */ 3824c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 382504de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 382604de7ddaSRoi Dayan else 382704de7ddaSRoi Dayan in_mdev = priv->mdev; 382804de7ddaSRoi Dayan 3829c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 383095dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 383104de7ddaSRoi Dayan parse_attr->filter_dev, 3832c620b772SAriel Levkovich attr->in_rep, in_mdev); 383371129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 383471129676SJason Gunthorpe err = PTR_ERR(peer_flow); 383504de7ddaSRoi Dayan goto out; 383671129676SJason Gunthorpe } 383704de7ddaSRoi Dayan 383804de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3839226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 384004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 384104de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 384204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 384304de7ddaSRoi Dayan 384404de7ddaSRoi Dayan out: 384504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 384604de7ddaSRoi Dayan return err; 384704de7ddaSRoi Dayan } 384804de7ddaSRoi Dayan 384904de7ddaSRoi Dayan static int 385004de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3851f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3852226f2ca3SVlad Buslov unsigned long flow_flags, 385304de7ddaSRoi Dayan struct net_device *filter_dev, 385404de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 385504de7ddaSRoi Dayan { 385604de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 385704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 385804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 385904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 386004de7ddaSRoi Dayan int err; 386104de7ddaSRoi Dayan 386271129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 386371129676SJason Gunthorpe in_mdev); 386471129676SJason Gunthorpe if (IS_ERR(flow)) 386571129676SJason Gunthorpe return PTR_ERR(flow); 386604de7ddaSRoi Dayan 386704de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 386895dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 386904de7ddaSRoi Dayan if (err) { 387004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 387104de7ddaSRoi Dayan goto out; 387204de7ddaSRoi Dayan } 387304de7ddaSRoi Dayan } 387404de7ddaSRoi Dayan 387504de7ddaSRoi Dayan *__flow = flow; 387604de7ddaSRoi Dayan 387704de7ddaSRoi Dayan return 0; 387804de7ddaSRoi Dayan 387904de7ddaSRoi Dayan out: 388004de7ddaSRoi Dayan return err; 388104de7ddaSRoi Dayan } 388204de7ddaSRoi Dayan 3883a88780a9SRoi Dayan static int 3884a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3885f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3886226f2ca3SVlad Buslov unsigned long flow_flags, 3887d11afc26SOz Shlomo struct net_device *filter_dev, 3888a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3889a88780a9SRoi Dayan { 3890f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3891a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3892a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3893a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3894a88780a9SRoi Dayan int attr_size, err; 3895a88780a9SRoi Dayan 3896c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 3897bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3898bf07aa73SPaul Blakey return -EOPNOTSUPP; 3899c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 3900c7569097SAriel Levkovich return -EOPNOTSUPP; 3901c7569097SAriel Levkovich } 3902bf07aa73SPaul Blakey 3903226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3904a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3905a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3906a88780a9SRoi Dayan &parse_attr, &flow); 3907a88780a9SRoi Dayan if (err) 3908a88780a9SRoi Dayan goto out; 3909a88780a9SRoi Dayan 3910d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3911c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 3912c7569097SAriel Levkovich 391354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 391454c177caSOz Shlomo f, filter_dev); 3915d11afc26SOz Shlomo if (err) 3916d11afc26SOz Shlomo goto err_free; 3917d11afc26SOz Shlomo 3918aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 3919aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 3920aedd133dSAriel Levkovich if (err) 3921aedd133dSAriel Levkovich goto err_free; 3922aedd133dSAriel Levkovich 3923c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 3924a88780a9SRoi Dayan if (err) 3925a88780a9SRoi Dayan goto err_free; 3926a88780a9SRoi Dayan 3927c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 3928a88780a9SRoi Dayan if (err) 3929a88780a9SRoi Dayan goto err_free; 3930a88780a9SRoi Dayan 3931226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3932a88780a9SRoi Dayan *__flow = flow; 3933a88780a9SRoi Dayan 3934a88780a9SRoi Dayan return 0; 3935a88780a9SRoi Dayan 3936a88780a9SRoi Dayan err_free: 39378914add2SVlad Buslov flow_flag_set(flow, FAILED); 39382c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 39395a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3940a88780a9SRoi Dayan out: 3941a88780a9SRoi Dayan return err; 3942a88780a9SRoi Dayan } 3943a88780a9SRoi Dayan 3944a88780a9SRoi Dayan static int 3945a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3946f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3947226f2ca3SVlad Buslov unsigned long flags, 3948d11afc26SOz Shlomo struct net_device *filter_dev, 3949a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3950a88780a9SRoi Dayan { 3951a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3952226f2ca3SVlad Buslov unsigned long flow_flags; 3953a88780a9SRoi Dayan int err; 3954a88780a9SRoi Dayan 3955a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3956a88780a9SRoi Dayan 3957bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3958bf07aa73SPaul Blakey return -EOPNOTSUPP; 3959bf07aa73SPaul Blakey 3960f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3961d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3962d11afc26SOz Shlomo filter_dev, flow); 3963a88780a9SRoi Dayan else 3964d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3965d11afc26SOz Shlomo filter_dev, flow); 3966a88780a9SRoi Dayan 3967a88780a9SRoi Dayan return err; 3968a88780a9SRoi Dayan } 3969a88780a9SRoi Dayan 3970553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 3971553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 3972553f9328SVu Pham { 3973553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 39742fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 39752fb15e72SVlad Buslov * function is called from NIC mode. 3976553f9328SVu Pham */ 39772fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 3978553f9328SVu Pham } 3979553f9328SVu Pham 398071d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3981226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3982a88780a9SRoi Dayan { 3983a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3984d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3985553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 3986a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3987a88780a9SRoi Dayan int err = 0; 3988a88780a9SRoi Dayan 39897dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 39907dc84de9SRoi Dayan return -EAGAIN; 39917dc84de9SRoi Dayan 39927dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 39937dc84de9SRoi Dayan 3994c5d326b2SVlad Buslov rcu_read_lock(); 3995c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3996a88780a9SRoi Dayan if (flow) { 3997553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 3998553f9328SVu Pham * just return 0. 3999553f9328SVu Pham */ 4000553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4001c1aea9e1SVlad Buslov goto rcu_unlock; 4002553f9328SVu Pham 4003a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4004a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4005a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4006a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4007a88780a9SRoi Dayan f->cookie); 40080e1c1a2fSVlad Buslov err = -EEXIST; 4009c1aea9e1SVlad Buslov goto rcu_unlock; 4010a88780a9SRoi Dayan } 4011c1aea9e1SVlad Buslov rcu_unlock: 4012c1aea9e1SVlad Buslov rcu_read_unlock(); 4013c1aea9e1SVlad Buslov if (flow) 4014c1aea9e1SVlad Buslov goto out; 4015a88780a9SRoi Dayan 40167a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4017d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4018a88780a9SRoi Dayan if (err) 4019a88780a9SRoi Dayan goto out; 4020a88780a9SRoi Dayan 4021553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4022553f9328SVu Pham * set the flow's owner dev. 4023553f9328SVu Pham */ 4024553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4025553f9328SVu Pham flow->orig_dev = dev; 4026553f9328SVu Pham 4027c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4028a88780a9SRoi Dayan if (err) 4029a88780a9SRoi Dayan goto err_free; 4030a88780a9SRoi Dayan 40317dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4032a88780a9SRoi Dayan return 0; 4033a88780a9SRoi Dayan 4034a88780a9SRoi Dayan err_free: 40355a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4036a88780a9SRoi Dayan out: 40377dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 40387dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4039e3a2b7edSAmir Vadai return err; 4040e3a2b7edSAmir Vadai } 4041e3a2b7edSAmir Vadai 40428f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 40438f8ae895SOr Gerlitz { 4044226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4045226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 40468f8ae895SOr Gerlitz 4047226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4048226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 40498f8ae895SOr Gerlitz } 40508f8ae895SOr Gerlitz 405171d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4052226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4053e3a2b7edSAmir Vadai { 4054d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4055e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4056c5d326b2SVlad Buslov int err; 4057e3a2b7edSAmir Vadai 4058c5d326b2SVlad Buslov rcu_read_lock(); 4059ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4060c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4061c5d326b2SVlad Buslov err = -EINVAL; 4062c5d326b2SVlad Buslov goto errout; 4063c5d326b2SVlad Buslov } 4064e3a2b7edSAmir Vadai 4065c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4066c5d326b2SVlad Buslov * set. 4067c5d326b2SVlad Buslov */ 4068c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4069c5d326b2SVlad Buslov err = -EINVAL; 4070c5d326b2SVlad Buslov goto errout; 4071c5d326b2SVlad Buslov } 407205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4073c5d326b2SVlad Buslov rcu_read_unlock(); 4074e3a2b7edSAmir Vadai 40757a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 40765a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4077e3a2b7edSAmir Vadai 40787dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4079e3a2b7edSAmir Vadai return 0; 4080c5d326b2SVlad Buslov 4081c5d326b2SVlad Buslov errout: 4082c5d326b2SVlad Buslov rcu_read_unlock(); 4083c5d326b2SVlad Buslov return err; 4084e3a2b7edSAmir Vadai } 4085e3a2b7edSAmir Vadai 408671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4087226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4088aad7e08dSAmir Vadai { 408904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4090d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 409104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4092aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4093aad7e08dSAmir Vadai struct mlx5_fc *counter; 4094316d5f72SRoi Dayan u64 lastuse = 0; 4095316d5f72SRoi Dayan u64 packets = 0; 4096316d5f72SRoi Dayan u64 bytes = 0; 40975a7e5bcbSVlad Buslov int err = 0; 4098aad7e08dSAmir Vadai 4099c5d326b2SVlad Buslov rcu_read_lock(); 4100c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 41015a7e5bcbSVlad Buslov tc_ht_params)); 4102c5d326b2SVlad Buslov rcu_read_unlock(); 41035a7e5bcbSVlad Buslov if (IS_ERR(flow)) 41045a7e5bcbSVlad Buslov return PTR_ERR(flow); 41055a7e5bcbSVlad Buslov 41065a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 41075a7e5bcbSVlad Buslov err = -EINVAL; 41085a7e5bcbSVlad Buslov goto errout; 41095a7e5bcbSVlad Buslov } 4110aad7e08dSAmir Vadai 41114c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4112b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4113aad7e08dSAmir Vadai if (!counter) 41145a7e5bcbSVlad Buslov goto errout; 4115aad7e08dSAmir Vadai 4116aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4117316d5f72SRoi Dayan } 4118aad7e08dSAmir Vadai 4119316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4120316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4121316d5f72SRoi Dayan */ 412204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 412304de7ddaSRoi Dayan if (!peer_esw) 412404de7ddaSRoi Dayan goto out; 412504de7ddaSRoi Dayan 4126226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4127226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 412804de7ddaSRoi Dayan u64 bytes2; 412904de7ddaSRoi Dayan u64 packets2; 413004de7ddaSRoi Dayan u64 lastuse2; 413104de7ddaSRoi Dayan 413204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4133316d5f72SRoi Dayan if (!counter) 4134316d5f72SRoi Dayan goto no_peer_counter; 413504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 413604de7ddaSRoi Dayan 413704de7ddaSRoi Dayan bytes += bytes2; 413804de7ddaSRoi Dayan packets += packets2; 413904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 414004de7ddaSRoi Dayan } 414104de7ddaSRoi Dayan 4142316d5f72SRoi Dayan no_peer_counter: 414304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 414404de7ddaSRoi Dayan out: 41454b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 414693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 41477a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 41485a7e5bcbSVlad Buslov errout: 41495a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 41505a7e5bcbSVlad Buslov return err; 4151aad7e08dSAmir Vadai } 4152aad7e08dSAmir Vadai 41531fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4154fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4155fcb64c0fSEli Cohen { 4156fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4157fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 41581fe3e316SParav Pandit u32 rate_mbps = 0; 4159fcb64c0fSEli Cohen u16 vport_num; 4160fcb64c0fSEli Cohen int err; 4161fcb64c0fSEli Cohen 4162e401a184SEli Cohen vport_num = rpriv->rep->vport; 4163e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4164e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4165e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4166e401a184SEli Cohen return -EOPNOTSUPP; 4167e401a184SEli Cohen } 4168e401a184SEli Cohen 4169fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4170fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4171fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4172fcb64c0fSEli Cohen * mbit means million bits. 4173fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4174fcb64c0fSEli Cohen * 1 mbit/sec. 4175fcb64c0fSEli Cohen */ 41761fe3e316SParav Pandit if (rate) { 41771fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 41788b90d897SParav Pandit do_div(rate, 1000000); 41798b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 41801fe3e316SParav Pandit } 41811fe3e316SParav Pandit 41822d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4183fcb64c0fSEli Cohen if (err) 4184fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4185fcb64c0fSEli Cohen 4186fcb64c0fSEli Cohen return err; 4187fcb64c0fSEli Cohen } 4188fcb64c0fSEli Cohen 4189fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4190fcb64c0fSEli Cohen struct flow_action *flow_action, 4191fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4192fcb64c0fSEli Cohen { 4193fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4194fcb64c0fSEli Cohen const struct flow_action_entry *act; 4195fcb64c0fSEli Cohen int err; 4196fcb64c0fSEli Cohen int i; 4197fcb64c0fSEli Cohen 4198fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4199fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4200fcb64c0fSEli Cohen return -EINVAL; 4201fcb64c0fSEli Cohen } 4202fcb64c0fSEli Cohen 4203fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4204fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4205fcb64c0fSEli Cohen return -EOPNOTSUPP; 4206fcb64c0fSEli Cohen } 4207fcb64c0fSEli Cohen 42080885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 42090885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4210319a1d19SJiri Pirko return -EOPNOTSUPP; 42110885ae1aSAbhiram R N } 4212319a1d19SJiri Pirko 4213fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4214fcb64c0fSEli Cohen switch (act->id) { 4215fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 42166a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 42176a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 42186a56e199SBaowen Zheng return -EOPNOTSUPP; 42196a56e199SBaowen Zheng } 4220fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4221fcb64c0fSEli Cohen if (err) 4222fcb64c0fSEli Cohen return err; 4223fcb64c0fSEli Cohen 4224fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4225fcb64c0fSEli Cohen break; 4226fcb64c0fSEli Cohen default: 4227fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4228fcb64c0fSEli Cohen return -EOPNOTSUPP; 4229fcb64c0fSEli Cohen } 4230fcb64c0fSEli Cohen } 4231fcb64c0fSEli Cohen 4232fcb64c0fSEli Cohen return 0; 4233fcb64c0fSEli Cohen } 4234fcb64c0fSEli Cohen 4235fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4236fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4237fcb64c0fSEli Cohen { 4238fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4239fcb64c0fSEli Cohen 42407b83355fSEli Cohen if (ma->common.prio != 1) { 4241fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4242fcb64c0fSEli Cohen return -EINVAL; 4243fcb64c0fSEli Cohen } 4244fcb64c0fSEli Cohen 4245fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4246fcb64c0fSEli Cohen } 4247fcb64c0fSEli Cohen 4248fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4249fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4250fcb64c0fSEli Cohen { 4251fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4252fcb64c0fSEli Cohen 4253fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4254fcb64c0fSEli Cohen } 4255fcb64c0fSEli Cohen 4256fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4257fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4258fcb64c0fSEli Cohen { 4259fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4260fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4261fcb64c0fSEli Cohen u64 dbytes; 4262fcb64c0fSEli Cohen u64 dpkts; 4263fcb64c0fSEli Cohen 4264fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4265fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4266fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4267fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 42684b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 426993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4270fcb64c0fSEli Cohen } 4271fcb64c0fSEli Cohen 42724d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 42734d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 42744d8fcf21SAlaa Hleihel { 42754d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4276db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4277db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 42784d8fcf21SAlaa Hleihel u16 peer_vhca_id; 42794d8fcf21SAlaa Hleihel int bkt; 42804d8fcf21SAlaa Hleihel 4281ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 42824d8fcf21SAlaa Hleihel return; 42834d8fcf21SAlaa Hleihel 42844d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 42854d8fcf21SAlaa Hleihel 4286b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4287db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4288db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4289db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4290b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4291db76ca24SVlad Buslov 4292db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4293db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4294db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4295a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4296db76ca24SVlad Buslov 4297db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4298db76ca24SVlad Buslov } 42994d8fcf21SAlaa Hleihel } 43004d8fcf21SAlaa Hleihel 43014d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 43024d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 43034d8fcf21SAlaa Hleihel { 43044d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 43054d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 43064d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 43074d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 43084d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 43094d8fcf21SAlaa Hleihel 43104d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 43114d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 43124d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 43134d8fcf21SAlaa Hleihel return NOTIFY_DONE; 43144d8fcf21SAlaa Hleihel 43154d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 43164d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 43174d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 43184d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 43194d8fcf21SAlaa Hleihel if (priv == peer_priv || 43204d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 43214d8fcf21SAlaa Hleihel return NOTIFY_DONE; 43224d8fcf21SAlaa Hleihel 43234d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 43244d8fcf21SAlaa Hleihel 43254d8fcf21SAlaa Hleihel return NOTIFY_DONE; 43264d8fcf21SAlaa Hleihel } 43274d8fcf21SAlaa Hleihel 43286a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 43296a064674SAriel Levkovich { 43306a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 43316a064674SAriel Levkovich u32 max_flow_counter; 43326a064674SAriel Levkovich 43336a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 43346a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 43356a064674SAriel Levkovich 43366a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 43376a064674SAriel Levkovich 43386a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 43396a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 43406a064674SAriel Levkovich 43416a064674SAriel Levkovich return tc_tbl_size; 43426a064674SAriel Levkovich } 43436a064674SAriel Levkovich 4344655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4345e8f887acSAmir Vadai { 4346acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 43476a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4348c9355682SChris Mi struct mapping_ctx *chains_mapping; 43496a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 43502198b932SRoi Dayan u64 mapping_id; 43514d8fcf21SAlaa Hleihel int err; 4352e8f887acSAmir Vadai 4353b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4354b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4355b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 43565c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 435711c9c548SOr Gerlitz 43584d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 43594d8fcf21SAlaa Hleihel if (err) 43604d8fcf21SAlaa Hleihel return err; 43614d8fcf21SAlaa Hleihel 43629ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 43639ba33339SRoi Dayan 43642198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 43652198b932SRoi Dayan 43662198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 43672198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4368c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 43692198b932SRoi Dayan 4370c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4371c9355682SChris Mi err = PTR_ERR(chains_mapping); 4372c9355682SChris Mi goto err_mapping; 4373c9355682SChris Mi } 4374c9355682SChris Mi tc->mapping = chains_mapping; 4375c9355682SChris Mi 4376c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4377c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4378c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 43796a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 43806a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 43816a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 43826783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4383c9355682SChris Mi attr.mapping = chains_mapping; 43846a064674SAriel Levkovich 43856a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 43866a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 43876a064674SAriel Levkovich err = PTR_ERR(tc->chains); 43886a064674SAriel Levkovich goto err_chains; 43896a064674SAriel Levkovich } 43906a064674SAriel Levkovich 4391f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 4392aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4393f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 4394aedd133dSAriel Levkovich 43954d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4396d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4397d48834f9SJiri Pirko &tc->netdevice_nb, 4398d48834f9SJiri Pirko &tc->netdevice_nn); 4399d48834f9SJiri Pirko if (err) { 44004d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 44014d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 44026a064674SAriel Levkovich goto err_reg; 44034d8fcf21SAlaa Hleihel } 44044d8fcf21SAlaa Hleihel 44056a064674SAriel Levkovich return 0; 44066a064674SAriel Levkovich 44076a064674SAriel Levkovich err_reg: 4408aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4409f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 44106a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 44116a064674SAriel Levkovich err_chains: 4412c9355682SChris Mi mapping_destroy(chains_mapping); 4413c9355682SChris Mi err_mapping: 44146a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 44154d8fcf21SAlaa Hleihel return err; 4416e8f887acSAmir Vadai } 4417e8f887acSAmir Vadai 4418e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4419e8f887acSAmir Vadai { 4420e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4421655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4422e8f887acSAmir Vadai 4423961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4424e8f887acSAmir Vadai kfree(flow); 4425e8f887acSAmir Vadai } 4426e8f887acSAmir Vadai 4427655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4428e8f887acSAmir Vadai { 4429acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4430e8f887acSAmir Vadai 44314d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4432d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4433d48834f9SJiri Pirko &tc->netdevice_nb, 4434d48834f9SJiri Pirko &tc->netdevice_nn); 44354d8fcf21SAlaa Hleihel 4436b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4437b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4438b32accdaSVlad Buslov 44396a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4440e8f887acSAmir Vadai 4441acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 44426a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4443acff797cSMaor Gottlieb tc->t = NULL; 4444e8f887acSAmir Vadai } 4445b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 44466a064674SAriel Levkovich 4447aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4448f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 4449c9355682SChris Mi mapping_destroy(tc->mapping); 44506a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4451e8f887acSAmir Vadai } 4452655dc3d2SOr Gerlitz 4453d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 4454d1a3138fSPaul Blakey { 4455d1a3138fSPaul Blakey int err; 4456d1a3138fSPaul Blakey 4457d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 4458d1a3138fSPaul Blakey if (err) 4459d1a3138fSPaul Blakey return err; 4460d1a3138fSPaul Blakey 4461d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 4462d1a3138fSPaul Blakey 4463d1a3138fSPaul Blakey return 0; 4464d1a3138fSPaul Blakey } 4465d1a3138fSPaul Blakey 4466d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 4467d1a3138fSPaul Blakey { 4468d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4469d1a3138fSPaul Blakey } 4470d1a3138fSPaul Blakey 4471d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 4472655dc3d2SOr Gerlitz { 4473d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 4474aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 44750a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4476aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4477aedd133dSAriel Levkovich struct mlx5e_priv *priv; 44782198b932SRoi Dayan u64 mapping_id; 4479aedd133dSAriel Levkovich int err = 0; 44800a7fcb78SPaul Blakey 4481aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4482aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4483aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 44840a7fcb78SPaul Blakey 4485f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 4486f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 4487aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4488aedd133dSAriel Levkovich esw_chains(esw), 4489aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4490f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 4491f0da4daaSChris Mi uplink_priv->post_act); 44924c3844d9SPaul Blakey 44934f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 44944f4edcc2SAriel Levkovich 44952741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 44962a9ab10aSChris Mi 44972198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 44982198b932SRoi Dayan 44992198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 45002198b932SRoi Dayan sizeof(struct tunnel_match_key), 45010a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 45022198b932SRoi Dayan 45030a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 45040a7fcb78SPaul Blakey err = PTR_ERR(mapping); 45050a7fcb78SPaul Blakey goto err_tun_mapping; 45060a7fcb78SPaul Blakey } 45070a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 45080a7fcb78SPaul Blakey 45093222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 45103222efd4SVlad Buslov * and bridge ingress push mark. 45113222efd4SVlad Buslov */ 45122198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 45133222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 45140a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 45150a7fcb78SPaul Blakey err = PTR_ERR(mapping); 45160a7fcb78SPaul Blakey goto err_enc_opts_mapping; 45170a7fcb78SPaul Blakey } 45180a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 45190a7fcb78SPaul Blakey 45208914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 45212b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 45222b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 45238914add2SVlad Buslov goto err_register_fib_notifier; 45242b6c3c1eSWei Yongjun } 45258914add2SVlad Buslov 45262b6c3c1eSWei Yongjun return 0; 45270a7fcb78SPaul Blakey 45288914add2SVlad Buslov err_register_fib_notifier: 45290a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 45300a7fcb78SPaul Blakey err_enc_opts_mapping: 45310a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 45320a7fcb78SPaul Blakey err_tun_mapping: 45330027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 45344f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4535aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 45360a7fcb78SPaul Blakey netdev_warn(priv->netdev, 45370a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 4538f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 45390a7fcb78SPaul Blakey return err; 4540655dc3d2SOr Gerlitz } 4541655dc3d2SOr Gerlitz 4542d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 4543655dc3d2SOr Gerlitz { 45448914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 45458914add2SVlad Buslov 45460a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 45470a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 45484c3844d9SPaul Blakey 45490027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 45504f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4551aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 4552f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 4553655dc3d2SOr Gerlitz } 455401252a27SOr Gerlitz 4555226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 455601252a27SOr Gerlitz { 4557d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 455801252a27SOr Gerlitz 455901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 456001252a27SOr Gerlitz } 456104de7ddaSRoi Dayan 456204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 456304de7ddaSRoi Dayan { 456404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 456504de7ddaSRoi Dayan 456604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 456704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 456804de7ddaSRoi Dayan } 4569b4a23329SRoi Dayan 4570b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4571b4a23329SRoi Dayan { 4572b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4573b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4574b4a23329SRoi Dayan reoffload_flows_work); 4575b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4576b4a23329SRoi Dayan 4577ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4578b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4579b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4580ad86755bSVlad Buslov unready_flow_del(flow); 4581b4a23329SRoi Dayan } 4582ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4583b4a23329SRoi Dayan } 4584e2394a61SVlad Buslov 4585e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 4586e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 4587e2394a61SVlad Buslov unsigned long flags) 4588e2394a61SVlad Buslov { 4589e2394a61SVlad Buslov switch (cls_flower->command) { 4590e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 4591e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 4592e2394a61SVlad Buslov flags); 4593e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 4594e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 4595e2394a61SVlad Buslov flags); 4596e2394a61SVlad Buslov case FLOW_CLS_STATS: 4597e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 4598e2394a61SVlad Buslov flags); 4599e2394a61SVlad Buslov default: 4600e2394a61SVlad Buslov return -EOPNOTSUPP; 4601e2394a61SVlad Buslov } 4602e2394a61SVlad Buslov } 4603e2394a61SVlad Buslov 4604e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 4605e2394a61SVlad Buslov void *cb_priv) 4606e2394a61SVlad Buslov { 4607ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 4608e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 4609e2394a61SVlad Buslov 46102ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 46112ff349c5SRoi Dayan return -EOPNOTSUPP; 46122ff349c5SRoi Dayan 4613ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 4614ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 4615ec9457a6SRoi Dayan else 4616ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 4617ec9457a6SRoi Dayan 4618e2394a61SVlad Buslov switch (type) { 4619e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 4620e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 4621e2394a61SVlad Buslov default: 4622e2394a61SVlad Buslov return -EOPNOTSUPP; 4623e2394a61SVlad Buslov } 4624e2394a61SVlad Buslov } 4625c7569097SAriel Levkovich 4626c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 4627c7569097SAriel Levkovich struct sk_buff *skb) 4628c7569097SAriel Levkovich { 4629c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4630aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 4631c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 4632aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 4633a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 4634c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 4635c7569097SAriel Levkovich int err; 4636c7569097SAriel Levkovich 4637c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 4638c7569097SAriel Levkovich 4639c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 4640c7569097SAriel Levkovich 4641c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 4642c7569097SAriel Levkovich if (err) { 4643c7569097SAriel Levkovich netdev_dbg(priv->netdev, 4644c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 4645c7569097SAriel Levkovich chain_tag, err); 4646c7569097SAriel Levkovich return false; 4647c7569097SAriel Levkovich } 4648c7569097SAriel Levkovich 4649a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 4650a91d98a0SChris Mi chain = mapped_obj.chain; 46519453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 4652c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 4653c7569097SAriel Levkovich return false; 4654c7569097SAriel Levkovich 4655c7569097SAriel Levkovich tc_skb_ext->chain = chain; 4656aedd133dSAriel Levkovich 4657ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 465848d216e5SVlad Buslov ESW_ZONE_ID_MASK; 4659aedd133dSAriel Levkovich 4660aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 4661aedd133dSAriel Levkovich zone_restore_id)) 4662aedd133dSAriel Levkovich return false; 4663a91d98a0SChris Mi } else { 4664a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 4665a91d98a0SChris Mi return false; 4666c7569097SAriel Levkovich } 4667c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 4668c7569097SAriel Levkovich 4669c7569097SAriel Levkovich return true; 4670c7569097SAriel Levkovich } 4671