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> 42fca572f2SDima Chumak #include <linux/if_macvlan.h> 43d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4426c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4541c2fd94SChris Mi #include <net/psample.h> 46f6dfb4c3SHadar Hen Zion #include <net/arp.h> 473616d08bSDavid Ahern #include <net/ipv6_stubs.h> 48f828ca6aSEli Cohen #include <net/bareudp.h> 49d34eb2fcSOr Gerlitz #include <net/bonding.h> 50e8f887acSAmir Vadai #include "en.h" 51f0da4daaSChris Mi #include "en/tc/post_act.h" 521d447a39SSaeed Mahameed #include "en_rep.h" 53768c3667SVlad Buslov #include "en/rep/tc.h" 54e2394a61SVlad Buslov #include "en/rep/neigh.h" 55232c0013SHadar Hen Zion #include "en_tc.h" 5603a9d11eSOr Gerlitz #include "eswitch.h" 573f6d08d1SOr Gerlitz #include "fs_core.h" 582c81bfd5SHuy Nguyen #include "en/port.h" 59101f4de9SOz Shlomo #include "en/tc_tun.h" 600a7fcb78SPaul Blakey #include "en/mapping.h" 614c3844d9SPaul Blakey #include "en/tc_ct.h" 62b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 630d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 640027d70cSChris Mi #include "en/tc/sample.h" 6504de7ddaSRoi Dayan #include "lib/devcom.h" 669272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 67ae430332SAriel Levkovich #include "lib/fs_chains.h" 687a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 691fe3e316SParav Pandit #include <asm/div64.h> 70016c8946SJakub Kicinski #include "lag/lag.h" 71016c8946SJakub Kicinski #include "lag/mp.h" 72e8f887acSAmir Vadai 736a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 74d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 7517091853SOr Gerlitz 76acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 776a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 78e8f887acSAmir Vadai 798f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 808f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 818f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 828f1e0b97SPaul Blakey .moffset = 0, 83ed2fe7baSPaul Blakey .mlen = 16, 848f1e0b97SPaul Blakey }, 8510742efcSVlad Buslov [VPORT_TO_REG] = { 8610742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 87ed2fe7baSPaul Blakey .moffset = 16, 88ed2fe7baSPaul Blakey .mlen = 16, 8910742efcSVlad Buslov }, 900a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 910a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 92ed2fe7baSPaul Blakey .moffset = 8, 93ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 940a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 950a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 960a7fcb78SPaul Blakey }, 974c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 98a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 994c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1004c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1014c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1024c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 10339c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 104c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 105c7569097SAriel Levkovich * jump between steering domains. 106c7569097SAriel Levkovich */ 107c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 108c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 109c7569097SAriel Levkovich .moffset = 0, 110ed2fe7baSPaul Blakey .mlen = 16, 111c7569097SAriel Levkovich }, 112aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1138f1e0b97SPaul Blakey }; 1148f1e0b97SPaul Blakey 1159ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1169ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1179ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1189ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1199ba33339SRoi Dayan * it's different than the ht->mutex here. 1209ba33339SRoi Dayan */ 1219ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1229ba33339SRoi Dayan 1230a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1240a7fcb78SPaul Blakey 1250a7fcb78SPaul Blakey void 1260a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1270a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 128ed2fe7baSPaul Blakey u32 val, 1290a7fcb78SPaul Blakey u32 mask) 1300a7fcb78SPaul Blakey { 131ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1320a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 133ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1340a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 135ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 136ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 137ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1380a7fcb78SPaul Blakey 1390a7fcb78SPaul Blakey fmask = headers_c + soffset; 1400a7fcb78SPaul Blakey fval = headers_v + soffset; 1410a7fcb78SPaul Blakey 142ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 143ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1440a7fcb78SPaul Blakey 145ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 146ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 147ed2fe7baSPaul Blakey 148ed2fe7baSPaul Blakey //move to correct offset 149ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 150ed2fe7baSPaul Blakey mask <<= moffset; 151ed2fe7baSPaul Blakey val <<= moffset; 152ed2fe7baSPaul Blakey max_mask <<= moffset; 153ed2fe7baSPaul Blakey 154ed2fe7baSPaul Blakey //zero val and mask 155ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 156ed2fe7baSPaul Blakey curr_val &= ~max_mask; 157ed2fe7baSPaul Blakey 158ed2fe7baSPaul Blakey //add current to mask 159ed2fe7baSPaul Blakey curr_mask |= mask; 160ed2fe7baSPaul Blakey curr_val |= val; 161ed2fe7baSPaul Blakey 162ed2fe7baSPaul Blakey //back to be32 and write 163ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 164ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 165ed2fe7baSPaul Blakey 166ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 167ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1680a7fcb78SPaul Blakey 1690a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1700a7fcb78SPaul Blakey } 1710a7fcb78SPaul Blakey 1727e36feebSPaul Blakey void 1737e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1747e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 175ed2fe7baSPaul Blakey u32 *val, 1767e36feebSPaul Blakey u32 *mask) 1777e36feebSPaul Blakey { 178ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1797e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 180ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1817e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 182ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 183ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 184ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1857e36feebSPaul Blakey 1867e36feebSPaul Blakey fmask = headers_c + soffset; 1877e36feebSPaul Blakey fval = headers_v + soffset; 1887e36feebSPaul Blakey 189ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 190ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1917e36feebSPaul Blakey 192ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 193ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 194ed2fe7baSPaul Blakey 195ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 196ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1977e36feebSPaul Blakey } 1987e36feebSPaul Blakey 1990a7fcb78SPaul Blakey int 200c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2010a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 202aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2030a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2040a7fcb78SPaul Blakey u32 data) 2050a7fcb78SPaul Blakey { 2060a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2070a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2080a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2090a7fcb78SPaul Blakey char *modact; 2100a7fcb78SPaul Blakey int err; 2110a7fcb78SPaul Blakey 212aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 2130a7fcb78SPaul Blakey if (err) 2140a7fcb78SPaul Blakey return err; 2150a7fcb78SPaul Blakey 2160a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2170a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2180a7fcb78SPaul Blakey 2190a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 220ed2fe7baSPaul Blakey if (mlen == 32) 2210a7fcb78SPaul Blakey mlen = 0; 2220a7fcb78SPaul Blakey 2230a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2240a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 225ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 226ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2270a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 228c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2290a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2300a7fcb78SPaul Blakey 231c7b9038dSVlad Buslov return err; 2320a7fcb78SPaul Blakey } 2330a7fcb78SPaul Blakey 23427484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 23527484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 23627484f71SAriel Levkovich { 23727484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23827484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23927484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 24027484f71SAriel Levkovich 24127484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 24227484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 24327484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 24427484f71SAriel Levkovich 24527484f71SAriel Levkovich return uplink_priv->int_port_priv; 24627484f71SAriel Levkovich } 24727484f71SAriel Levkovich 24827484f71SAriel Levkovich return NULL; 24927484f71SAriel Levkovich } 25027484f71SAriel Levkovich 251aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 252aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 253aedd133dSAriel Levkovich { 254aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 255aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 256aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 257aedd133dSAriel Levkovich 258e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 259aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 260aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 261aedd133dSAriel Levkovich 262aedd133dSAriel Levkovich return uplink_priv->ct_priv; 263aedd133dSAriel Levkovich } 264aedd133dSAriel Levkovich 265aedd133dSAriel Levkovich return priv->fs.tc.ct; 266aedd133dSAriel Levkovich } 267aedd133dSAriel Levkovich 2680027d70cSChris Mi static struct mlx5e_tc_psample * 269f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 270f94d6389SChris Mi { 271f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 272f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 273f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 274f94d6389SChris Mi 275f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 276f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 277f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 278f94d6389SChris Mi 2790027d70cSChris Mi return uplink_priv->tc_psample; 280f94d6389SChris Mi } 281f94d6389SChris Mi 282f94d6389SChris Mi return NULL; 283f94d6389SChris Mi } 284f94d6389SChris Mi 285aedd133dSAriel Levkovich struct mlx5_flow_handle * 286aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 287aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 288aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 289aedd133dSAriel Levkovich { 290aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 291aedd133dSAriel Levkovich 292e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 293aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 294aedd133dSAriel Levkovich 295aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 296aedd133dSAriel Levkovich } 297aedd133dSAriel Levkovich 298aedd133dSAriel Levkovich void 299aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 300aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 301aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 302aedd133dSAriel Levkovich { 303aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 304aedd133dSAriel Levkovich 305e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 306aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 307aedd133dSAriel Levkovich 308aedd133dSAriel Levkovich return; 309aedd133dSAriel Levkovich } 310aedd133dSAriel Levkovich 311aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 312aedd133dSAriel Levkovich } 313aedd133dSAriel Levkovich 314c7b9038dSVlad Buslov int 315c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 316c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 317c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 318c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 319c7b9038dSVlad Buslov u32 data) 320c7b9038dSVlad Buslov { 321c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 322c7b9038dSVlad Buslov 323c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 324c7b9038dSVlad Buslov } 325c7b9038dSVlad Buslov 326c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 327c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 328c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 329c7b9038dSVlad Buslov int act_id, u32 data) 330c7b9038dSVlad Buslov { 331c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 332c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 333c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 334c7b9038dSVlad Buslov char *modact; 335c7b9038dSVlad Buslov 336c7b9038dSVlad Buslov modact = mod_hdr_acts->actions + (act_id * MLX5_MH_ACT_SZ); 337c7b9038dSVlad Buslov 338c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 339ed2fe7baSPaul Blakey if (mlen == 32) 340c7b9038dSVlad Buslov mlen = 0; 341c7b9038dSVlad Buslov 342c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 343c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 344ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 345ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 346c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 347c7b9038dSVlad Buslov } 348c7b9038dSVlad Buslov 34977ab67b7SOr Gerlitz struct mlx5e_hairpin { 35077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 35177ab67b7SOr Gerlitz 35277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3533f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 35477ab67b7SOr Gerlitz u32 tdn; 355a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3563f6d08d1SOr Gerlitz 3573f6d08d1SOr Gerlitz int num_channels; 3583f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 359a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 360f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 36177ab67b7SOr Gerlitz }; 36277ab67b7SOr Gerlitz 3635c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3645c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3655c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3665c65c564SOr Gerlitz 36773edca73SVlad Buslov /* protects flows list */ 36873edca73SVlad Buslov spinlock_t flows_lock; 3695c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3705c65c564SOr Gerlitz struct list_head flows; 371db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 372db76ca24SVlad Buslov * function traversed them. 373db76ca24SVlad Buslov */ 374db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3755c65c564SOr Gerlitz 376d8822868SOr Gerlitz u16 peer_vhca_id; 377106be53bSOr Gerlitz u8 prio; 3785c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 379e4f9abbdSVlad Buslov refcount_t refcnt; 380db76ca24SVlad Buslov struct completion res_ready; 3815c65c564SOr Gerlitz }; 3825c65c564SOr Gerlitz 3835a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3845a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3855a7e5bcbSVlad Buslov 3860d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3875a7e5bcbSVlad Buslov { 3885a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3895a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3905a7e5bcbSVlad Buslov return flow; 3915a7e5bcbSVlad Buslov } 3925a7e5bcbSVlad Buslov 3930d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3945a7e5bcbSVlad Buslov { 3955a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3965a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 397c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3985a7e5bcbSVlad Buslov } 3995a7e5bcbSVlad Buslov } 4005a7e5bcbSVlad Buslov 401aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 402226f2ca3SVlad Buslov { 403226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 404226f2ca3SVlad Buslov } 405226f2ca3SVlad Buslov 40684179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 40784179981SPaul Blakey { 40884179981SPaul Blakey return flow_flag_test(flow, FT); 40984179981SPaul Blakey } 41084179981SPaul Blakey 4110d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 412226f2ca3SVlad Buslov { 413226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 414226f2ca3SVlad Buslov } 415226f2ca3SVlad Buslov 416d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 417d2faae25SVlad Buslov { 418d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 419d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 420d2faae25SVlad Buslov } 421b2fdf3d0SPaul Blakey 422b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 423b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 424b2fdf3d0SPaul Blakey { 425b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 426b2fdf3d0SPaul Blakey 427b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 428b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 429b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 430b2fdf3d0SPaul Blakey } 431b2fdf3d0SPaul Blakey 43211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 43311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 43411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 43511c9c548SOr Gerlitz { 436b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 437b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 43811c9c548SOr Gerlitz 439b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 440b2fdf3d0SPaul Blakey get_flow_name_space(flow), 441b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 442b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 443b2fdf3d0SPaul Blakey return PTR_ERR(mh); 44411c9c548SOr Gerlitz 445b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 446c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 447b2fdf3d0SPaul Blakey flow->mh = mh; 44811c9c548SOr Gerlitz 44911c9c548SOr Gerlitz return 0; 45011c9c548SOr Gerlitz } 45111c9c548SOr Gerlitz 45211c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 45311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 45411c9c548SOr Gerlitz { 4555a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 456dd58edc3SVlad Buslov if (!flow->mh) 4575a7e5bcbSVlad Buslov return; 4585a7e5bcbSVlad Buslov 459b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 460b2fdf3d0SPaul Blakey flow->mh); 461dd58edc3SVlad Buslov flow->mh = NULL; 46211c9c548SOr Gerlitz } 46311c9c548SOr Gerlitz 46477ab67b7SOr Gerlitz static 46577ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 46677ab67b7SOr Gerlitz { 467b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 46877ab67b7SOr Gerlitz struct net_device *netdev; 46977ab67b7SOr Gerlitz struct mlx5e_priv *priv; 47077ab67b7SOr Gerlitz 471b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 472b1c2f631SDima Chumak if (!netdev) 473b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 474b1c2f631SDima Chumak 47577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 476b1c2f631SDima Chumak mdev = priv->mdev; 477b1c2f631SDima Chumak dev_put(netdev); 478b1c2f631SDima Chumak 479b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 480b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 481b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 482b1c2f631SDima Chumak * 483b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 484b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 485b1c2f631SDima Chumak * removed. 486b1c2f631SDima Chumak * 487b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 488b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 489b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 490b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 491b1c2f631SDima Chumak */ 492b1c2f631SDima Chumak return mdev; 49377ab67b7SOr Gerlitz } 49477ab67b7SOr Gerlitz 49577ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 49677ab67b7SOr Gerlitz { 497a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 49877ab67b7SOr Gerlitz int err; 49977ab67b7SOr Gerlitz 500a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 501a6696735SMaxim Mikityanskiy if (!builder) 502a6696735SMaxim Mikityanskiy return -ENOMEM; 503a6696735SMaxim Mikityanskiy 50477ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 50577ab67b7SOr Gerlitz if (err) 506a6696735SMaxim Mikityanskiy goto out; 50777ab67b7SOr Gerlitz 508a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 509a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 51077ab67b7SOr Gerlitz if (err) 51177ab67b7SOr Gerlitz goto create_tir_err; 51277ab67b7SOr Gerlitz 513a6696735SMaxim Mikityanskiy out: 514a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 515a6696735SMaxim Mikityanskiy return err; 51677ab67b7SOr Gerlitz 51777ab67b7SOr Gerlitz create_tir_err: 51877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 519a6696735SMaxim Mikityanskiy 520a6696735SMaxim Mikityanskiy goto out; 52177ab67b7SOr Gerlitz } 52277ab67b7SOr Gerlitz 52377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 52477ab67b7SOr Gerlitz { 525a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 52677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 52777ab67b7SOr Gerlitz } 52877ab67b7SOr Gerlitz 5293f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5303f6d08d1SOr Gerlitz { 5313f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5323f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 53306e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 53406e9f13aSMaxim Mikityanskiy int err; 5353f6d08d1SOr Gerlitz 53606e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 53706e9f13aSMaxim Mikityanskiy if (!indir) 5383f6d08d1SOr Gerlitz return -ENOMEM; 5393f6d08d1SOr Gerlitz 54043befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 54106e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 54243ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 54343ec0f41SMaxim Mikityanskiy indir); 5443f6d08d1SOr Gerlitz 54506e9f13aSMaxim Mikityanskiy kvfree(indir); 5463f6d08d1SOr Gerlitz return err; 5473f6d08d1SOr Gerlitz } 5483f6d08d1SOr Gerlitz 5493f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5503f6d08d1SOr Gerlitz { 5513f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 55243ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 553d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 554a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 555a6696735SMaxim Mikityanskiy int err = 0; 556a6696735SMaxim Mikityanskiy 557a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 558a6696735SMaxim Mikityanskiy if (!builder) 559a6696735SMaxim Mikityanskiy return -ENOMEM; 560a6696735SMaxim Mikityanskiy 56143ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5623f6d08d1SOr Gerlitz 5633f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 56465d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 565d930ac79SAya Levin 56665d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5673f6d08d1SOr Gerlitz 568a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 569a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 570a6696735SMaxim Mikityanskiy false); 57143ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 572bbeb53b8SAya Levin 573a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5743f6d08d1SOr Gerlitz if (err) { 5753f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5763f6d08d1SOr Gerlitz goto err_destroy_tirs; 5773f6d08d1SOr Gerlitz } 578a6696735SMaxim Mikityanskiy 579a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5803f6d08d1SOr Gerlitz } 581a6696735SMaxim Mikityanskiy 582a6696735SMaxim Mikityanskiy out: 583a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 584a6696735SMaxim Mikityanskiy return err; 5853f6d08d1SOr Gerlitz 5863f6d08d1SOr Gerlitz err_destroy_tirs: 587a6696735SMaxim Mikityanskiy max_tt = tt; 588a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 589a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 590a6696735SMaxim Mikityanskiy 591a6696735SMaxim Mikityanskiy goto out; 5923f6d08d1SOr Gerlitz } 5933f6d08d1SOr Gerlitz 5943f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5953f6d08d1SOr Gerlitz { 5963f6d08d1SOr Gerlitz int tt; 5973f6d08d1SOr Gerlitz 5983f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 599a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 6003f6d08d1SOr Gerlitz } 6013f6d08d1SOr Gerlitz 6023f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6033f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6043f6d08d1SOr Gerlitz { 6053f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6063f6d08d1SOr Gerlitz int tt; 6073f6d08d1SOr Gerlitz 6083f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6093f6d08d1SOr Gerlitz 610bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 611bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 612bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 613bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 614bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 615bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 616bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 617bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 618bc29764eSMaor Gottlieb } 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6213f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6223f6d08d1SOr Gerlitz } 6233f6d08d1SOr Gerlitz 6243f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6253f6d08d1SOr Gerlitz { 6263f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6273f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6283f6d08d1SOr Gerlitz int err; 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6313f6d08d1SOr Gerlitz if (err) 6323f6d08d1SOr Gerlitz return err; 6333f6d08d1SOr Gerlitz 6343f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6353f6d08d1SOr Gerlitz if (err) 6363f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6373f6d08d1SOr Gerlitz 6383f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 639f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 640f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 641f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6423f6d08d1SOr Gerlitz goto err_create_ttc_table; 643f4b45940SMaor Gottlieb } 6443f6d08d1SOr Gerlitz 6453f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 646f4b45940SMaor Gottlieb hp->num_channels, 647f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6483f6d08d1SOr Gerlitz 6493f6d08d1SOr Gerlitz return 0; 6503f6d08d1SOr Gerlitz 6513f6d08d1SOr Gerlitz err_create_ttc_table: 6523f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6533f6d08d1SOr Gerlitz err_create_indirect_tirs: 65406e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6553f6d08d1SOr Gerlitz 6563f6d08d1SOr Gerlitz return err; 6573f6d08d1SOr Gerlitz } 6583f6d08d1SOr Gerlitz 6593f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6603f6d08d1SOr Gerlitz { 661f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6623f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 66306e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6643f6d08d1SOr Gerlitz } 6653f6d08d1SOr Gerlitz 66677ab67b7SOr Gerlitz static struct mlx5e_hairpin * 66777ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 66877ab67b7SOr Gerlitz int peer_ifindex) 66977ab67b7SOr Gerlitz { 67077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 67177ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 67277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 67377ab67b7SOr Gerlitz int err; 67477ab67b7SOr Gerlitz 67577ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 67677ab67b7SOr Gerlitz if (!hp) 67777ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 67877ab67b7SOr Gerlitz 67977ab67b7SOr Gerlitz func_mdev = priv->mdev; 68077ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 681b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 682b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 683b1c2f631SDima Chumak goto create_pair_err; 684b1c2f631SDima Chumak } 68577ab67b7SOr Gerlitz 68677ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 68777ab67b7SOr Gerlitz if (IS_ERR(pair)) { 68877ab67b7SOr Gerlitz err = PTR_ERR(pair); 68977ab67b7SOr Gerlitz goto create_pair_err; 69077ab67b7SOr Gerlitz } 69177ab67b7SOr Gerlitz hp->pair = pair; 69277ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6933f6d08d1SOr Gerlitz hp->func_priv = priv; 6943f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 69577ab67b7SOr Gerlitz 69677ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 69777ab67b7SOr Gerlitz if (err) 69877ab67b7SOr Gerlitz goto create_transport_err; 69977ab67b7SOr Gerlitz 7003f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7013f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7023f6d08d1SOr Gerlitz if (err) 7033f6d08d1SOr Gerlitz goto rss_init_err; 7043f6d08d1SOr Gerlitz } 7053f6d08d1SOr Gerlitz 70677ab67b7SOr Gerlitz return hp; 70777ab67b7SOr Gerlitz 7083f6d08d1SOr Gerlitz rss_init_err: 7093f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71077ab67b7SOr Gerlitz create_transport_err: 71177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71277ab67b7SOr Gerlitz create_pair_err: 71377ab67b7SOr Gerlitz kfree(hp); 71477ab67b7SOr Gerlitz return ERR_PTR(err); 71577ab67b7SOr Gerlitz } 71677ab67b7SOr Gerlitz 71777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 71877ab67b7SOr Gerlitz { 7193f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7203f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 72177ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 72277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 72377ab67b7SOr Gerlitz kvfree(hp); 72477ab67b7SOr Gerlitz } 72577ab67b7SOr Gerlitz 726106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 727106be53bSOr Gerlitz { 728106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 729106be53bSOr Gerlitz } 730106be53bSOr Gerlitz 7315c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 732106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7335c65c564SOr Gerlitz { 7345c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 735106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7365c65c564SOr Gerlitz 7375c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 738106be53bSOr Gerlitz hairpin_hlist, hash_key) { 739e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 740e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7415c65c564SOr Gerlitz return hpe; 7425c65c564SOr Gerlitz } 743e4f9abbdSVlad Buslov } 7445c65c564SOr Gerlitz 7455c65c564SOr Gerlitz return NULL; 7465c65c564SOr Gerlitz } 7475c65c564SOr Gerlitz 748e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 749e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 750e4f9abbdSVlad Buslov { 751e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 752b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 753e4f9abbdSVlad Buslov return; 754b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 755b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 756e4f9abbdSVlad Buslov 757db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 758e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 759e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 760e4f9abbdSVlad Buslov 761e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 762db76ca24SVlad Buslov } 763db76ca24SVlad Buslov 764db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 765e4f9abbdSVlad Buslov kfree(hpe); 766e4f9abbdSVlad Buslov } 767e4f9abbdSVlad Buslov 768106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 769106be53bSOr Gerlitz 770106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 771e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 772e98bedf5SEli Britstein struct netlink_ext_ack *extack) 773106be53bSOr Gerlitz { 774106be53bSOr Gerlitz void *headers_c, *headers_v; 775106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 776106be53bSOr Gerlitz bool vlan_present; 777106be53bSOr Gerlitz 778106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 779106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 780e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 781e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 782106be53bSOr Gerlitz return -EOPNOTSUPP; 783106be53bSOr Gerlitz } 784106be53bSOr Gerlitz #endif 785106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 786106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 787106be53bSOr Gerlitz 788106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 789106be53bSOr Gerlitz if (vlan_present) { 790106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 791106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 792106be53bSOr Gerlitz } 793106be53bSOr Gerlitz 794106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 795106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 796106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 797e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 798e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 799106be53bSOr Gerlitz return -EOPNOTSUPP; 800106be53bSOr Gerlitz } 801106be53bSOr Gerlitz 802106be53bSOr Gerlitz *match_prio = prio_val; 803106be53bSOr Gerlitz return 0; 804106be53bSOr Gerlitz } 805106be53bSOr Gerlitz 8065c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8075c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 808e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 809e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8105c65c564SOr Gerlitz { 81198b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8125c65c564SOr Gerlitz struct mlx5_hairpin_params params; 813d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8145c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8155c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8163f6d08d1SOr Gerlitz u64 link_speed64; 8173f6d08d1SOr Gerlitz u32 link_speed; 818106be53bSOr Gerlitz u8 match_prio; 819d8822868SOr Gerlitz u16 peer_id; 8205c65c564SOr Gerlitz int err; 8215c65c564SOr Gerlitz 822d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 823b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 824b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 825b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 826b1c2f631SDima Chumak } 827b1c2f631SDima Chumak 828d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 829e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8305c65c564SOr Gerlitz return -EOPNOTSUPP; 8315c65c564SOr Gerlitz } 8325c65c564SOr Gerlitz 833d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 834e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 835e98bedf5SEli Britstein extack); 836106be53bSOr Gerlitz if (err) 837106be53bSOr Gerlitz return err; 838b32accdaSVlad Buslov 839b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 840106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 841db76ca24SVlad Buslov if (hpe) { 842db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 843db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 844db76ca24SVlad Buslov 845db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 846db76ca24SVlad Buslov err = -EREMOTEIO; 847db76ca24SVlad Buslov goto out_err; 848db76ca24SVlad Buslov } 8495c65c564SOr Gerlitz goto attach_flow; 850db76ca24SVlad Buslov } 8515c65c564SOr Gerlitz 8525c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 853b32accdaSVlad Buslov if (!hpe) { 854db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 855db76ca24SVlad Buslov return -ENOMEM; 856b32accdaSVlad Buslov } 8575c65c564SOr Gerlitz 85873edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8595c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 860db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 861d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 862106be53bSOr Gerlitz hpe->prio = match_prio; 863e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 864db76ca24SVlad Buslov init_completion(&hpe->res_ready); 865db76ca24SVlad Buslov 866db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 867db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 868db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8695c65c564SOr Gerlitz 8706cdc686aSAriel Levkovich params.log_data_size = 16; 8715c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8725c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8735c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8745c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8755c65c564SOr Gerlitz 876eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 877eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 878eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 879eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 880eb9180f7SOr Gerlitz 881eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8823f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8832c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8843f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8853f6d08d1SOr Gerlitz link_speed64 = link_speed; 8863f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8873f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8883f6d08d1SOr Gerlitz 8895c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 890db76ca24SVlad Buslov hpe->hp = hp; 891db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8925c65c564SOr Gerlitz if (IS_ERR(hp)) { 8935c65c564SOr Gerlitz err = PTR_ERR(hp); 894db76ca24SVlad Buslov goto out_err; 8955c65c564SOr Gerlitz } 8965c65c564SOr Gerlitz 897eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 898a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 89927b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 900eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9015c65c564SOr Gerlitz 9025c65c564SOr Gerlitz attach_flow: 9033f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 904226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 905f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 906f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 9073f6d08d1SOr Gerlitz } else { 908a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9093f6d08d1SOr Gerlitz } 910b32accdaSVlad Buslov 911e4f9abbdSVlad Buslov flow->hpe = hpe; 91273edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9135c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 91473edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9153f6d08d1SOr Gerlitz 9165c65c564SOr Gerlitz return 0; 9175c65c564SOr Gerlitz 918db76ca24SVlad Buslov out_err: 919db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9205c65c564SOr Gerlitz return err; 9215c65c564SOr Gerlitz } 9225c65c564SOr Gerlitz 9235c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9245c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9255c65c564SOr Gerlitz { 9265a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 927e4f9abbdSVlad Buslov if (!flow->hpe) 9285a7e5bcbSVlad Buslov return; 9295a7e5bcbSVlad Buslov 93073edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9315c65c564SOr Gerlitz list_del(&flow->hairpin); 93273edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 93373edca73SVlad Buslov 934e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 935e4f9abbdSVlad Buslov flow->hpe = NULL; 9365c65c564SOr Gerlitz } 9375c65c564SOr Gerlitz 93808247066SAriel Levkovich struct mlx5_flow_handle * 93908247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 94008247066SAriel Levkovich struct mlx5_flow_spec *spec, 941c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 942e8f887acSAmir Vadai { 94308247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 944c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 945c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9466a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9475c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 94866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9493bc4b7bfSOr Gerlitz .action = attr->action, 950bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 95166958ed9SHadar Hen Zion }; 95208247066SAriel Levkovich struct mlx5_flow_handle *rule; 953c7569097SAriel Levkovich struct mlx5_flow_table *ft; 95408247066SAriel Levkovich int dest_ix = 0; 955e8f887acSAmir Vadai 956bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 957c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 958bb0ee7dcSJianbo Liu 959aedd133dSAriel Levkovich if (attr->dest_ft) { 960aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 961aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 962aedd133dSAriel Levkovich dest_ix++; 963aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9643f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 965c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 96608247066SAriel Levkovich dest_ix++; 967c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9685c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 969c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9703f6d08d1SOr Gerlitz dest_ix++; 9713f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9725c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 973c7569097SAriel Levkovich if (attr->dest_chain) { 974c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 975c7569097SAriel Levkovich attr->dest_chain, 1, 976c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 977c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 978c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 979c7569097SAriel Levkovich } else { 9806783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 981c7569097SAriel Levkovich } 9825c65c564SOr Gerlitz dest_ix++; 9835c65c564SOr Gerlitz } 984aad7e08dSAmir Vadai 985c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 986c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 987c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 988c7569097SAriel Levkovich 98908247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9905c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 99108247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9925c65c564SOr Gerlitz dest_ix++; 993aad7e08dSAmir Vadai } 994aad7e08dSAmir Vadai 99508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9962b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9972f4fe4caSOr Gerlitz 9986a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9996a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 10006a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 10016a064674SAriel Levkovich tc->t = 1002c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 100321b9c144SOr Gerlitz 10046a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10056a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1006e8f887acSAmir Vadai netdev_err(priv->netdev, 1007e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1008c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1009c7569097SAriel Levkovich goto err_ft_get; 1010e8f887acSAmir Vadai } 1011e8f887acSAmir Vadai } 101208247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1013e8f887acSAmir Vadai 1014aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1015c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1016c7569097SAriel Levkovich attr->chain, attr->prio, 1017c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1018aedd133dSAriel Levkovich else 1019aedd133dSAriel Levkovich ft = attr->ft; 1020aedd133dSAriel Levkovich 1021c7569097SAriel Levkovich if (IS_ERR(ft)) { 1022c7569097SAriel Levkovich rule = ERR_CAST(ft); 1023c7569097SAriel Levkovich goto err_ft_get; 1024c7569097SAriel Levkovich } 1025c7569097SAriel Levkovich 1026c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 102708247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 102838aa51c1SOr Gerlitz 1029c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10305c65c564SOr Gerlitz &flow_act, dest, dest_ix); 103108247066SAriel Levkovich if (IS_ERR(rule)) 1032c7569097SAriel Levkovich goto err_rule; 103308247066SAriel Levkovich 103408247066SAriel Levkovich return rule; 1035c7569097SAriel Levkovich 1036c7569097SAriel Levkovich err_rule: 1037aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1038c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1039c7569097SAriel Levkovich attr->chain, attr->prio, 1040c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1041c7569097SAriel Levkovich err_ft_get: 1042c7569097SAriel Levkovich if (attr->dest_chain) 1043c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1044c7569097SAriel Levkovich attr->dest_chain, 1, 1045c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1046c7569097SAriel Levkovich 1047c7569097SAriel Levkovich return ERR_CAST(rule); 104808247066SAriel Levkovich } 104908247066SAriel Levkovich 105008247066SAriel Levkovich static int 105108247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 105208247066SAriel Levkovich struct mlx5e_tc_flow *flow, 105308247066SAriel Levkovich struct netlink_ext_ack *extack) 105408247066SAriel Levkovich { 1055c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1056c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 105708247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 105897a8d29aSRoi Dayan struct mlx5_fc *counter; 105908247066SAriel Levkovich int err; 106008247066SAriel Levkovich 1061c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1062c6cfe113SRoi Dayan 106308247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 106408247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 106508247066SAriel Levkovich if (err) 106608247066SAriel Levkovich return err; 106708247066SAriel Levkovich } 106808247066SAriel Levkovich 106908247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 107008247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 107108247066SAriel Levkovich if (IS_ERR(counter)) 107208247066SAriel Levkovich return PTR_ERR(counter); 107308247066SAriel Levkovich 107408247066SAriel Levkovich attr->counter = counter; 107508247066SAriel Levkovich } 107608247066SAriel Levkovich 107708247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 107808247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 107908247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 108008247066SAriel Levkovich if (err) 108108247066SAriel Levkovich return err; 108208247066SAriel Levkovich } 108308247066SAriel Levkovich 1084aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1085aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1086aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1087aedd133dSAriel Levkovich else 108808247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108908247066SAriel Levkovich attr); 1090e8f887acSAmir Vadai 1091a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1092e8f887acSAmir Vadai } 1093e8f887acSAmir Vadai 109408247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1095c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1096c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 109708247066SAriel Levkovich { 1098c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1099c7569097SAriel Levkovich 110008247066SAriel Levkovich mlx5_del_flow_rules(rule); 1101c7569097SAriel Levkovich 1102aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1103c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1104c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1105c7569097SAriel Levkovich 1106c7569097SAriel Levkovich if (attr->dest_chain) 1107c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1108c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110908247066SAriel Levkovich } 111008247066SAriel Levkovich 1111d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1112d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1113d85cdccbSOr Gerlitz { 1114c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11156a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1116d85cdccbSOr Gerlitz 1117c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1118c7569097SAriel Levkovich 1119aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1120aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1121aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1122aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1123aedd133dSAriel Levkovich 1124c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1125c7569097SAriel Levkovich * extra steering hops. 1126c7569097SAriel Levkovich */ 1127b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11286a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11296a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11306a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1131d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1132d85cdccbSOr Gerlitz } 1133b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11342f4fe4caSOr Gerlitz 1135aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1136aedd133dSAriel Levkovich 1137513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11383099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11395c65c564SOr Gerlitz 1140aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1141aedd133dSAriel Levkovich 1142226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11435c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1144c620b772SAriel Levkovich 1145c620b772SAriel Levkovich kfree(flow->attr); 1146d85cdccbSOr Gerlitz } 1147d85cdccbSOr Gerlitz 11480d9f9647SVlad Buslov struct mlx5_flow_handle * 11496d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11506d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11516d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1152c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11536d2a3ed0SOr Gerlitz { 11541ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11556d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11564c3844d9SPaul Blakey 115789e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 115889e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 115989e39467SPaul Blakey 11601ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11611ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11621ef3018fSPaul Blakey 116369e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1164aedd133dSAriel Levkovich flow, spec, attr, 11651ef3018fSPaul Blakey mod_hdr_acts); 1166f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1167ee950e5dSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr, 1168ee950e5dSChris Mi mlx5e_tc_get_flow_tun_id(flow)); 116969e2916eSPaul Blakey } else { 117069e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11711ef3018fSPaul Blakey } 11726d2a3ed0SOr Gerlitz 11736d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11746d2a3ed0SOr Gerlitz return rule; 11756d2a3ed0SOr Gerlitz 1176c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11776d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11786d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 117969e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 118069e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 118169e2916eSPaul Blakey else 11826d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11836d2a3ed0SOr Gerlitz return flow->rule[1]; 11846d2a3ed0SOr Gerlitz } 11856d2a3ed0SOr Gerlitz } 11866d2a3ed0SOr Gerlitz 11876d2a3ed0SOr Gerlitz return rule; 11886d2a3ed0SOr Gerlitz } 11896d2a3ed0SOr Gerlitz 11900d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11916d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1192c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11936d2a3ed0SOr Gerlitz { 1194226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11956d2a3ed0SOr Gerlitz 119689e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 119789e39467SPaul Blakey goto offload_rule_0; 119889e39467SPaul Blakey 1199c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12006d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12016d2a3ed0SOr Gerlitz 12022820110dSChris Mi if (flow_flag_test(flow, CT)) 12032820110dSChris Mi mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 12042820110dSChris Mi else if (flow_flag_test(flow, SAMPLE)) 12052820110dSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 12062820110dSChris Mi else 120789e39467SPaul Blakey offload_rule_0: 12086d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12096d2a3ed0SOr Gerlitz } 12106d2a3ed0SOr Gerlitz 12110d9f9647SVlad Buslov struct mlx5_flow_handle * 12125dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12135dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1214178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12155dbe906fSPaul Blakey { 1216c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12175dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12185dbe906fSPaul Blakey 1219c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1220c620b772SAriel Levkovich if (!slow_attr) 1221c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12225dbe906fSPaul Blakey 1223c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1224c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1225c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1226c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1227c620b772SAriel Levkovich 1228c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12295dbe906fSPaul Blakey if (!IS_ERR(rule)) 1230226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12315dbe906fSPaul Blakey 1232c620b772SAriel Levkovich kfree(slow_attr); 1233c620b772SAriel Levkovich 12345dbe906fSPaul Blakey return rule; 12355dbe906fSPaul Blakey } 12365dbe906fSPaul Blakey 12370d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1238178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12395dbe906fSPaul Blakey { 1240c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1241178f69b4SEli Cohen 1242c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12435efbe617SAriel Levkovich if (!slow_attr) { 12445efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12455efbe617SAriel Levkovich return; 12465efbe617SAriel Levkovich } 1247c620b772SAriel Levkovich 1248c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1249c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1250c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1251c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1252c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1253226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1254c620b772SAriel Levkovich kfree(slow_attr); 12555dbe906fSPaul Blakey } 12565dbe906fSPaul Blakey 1257ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1258ad86755bSVlad Buslov * function. 1259ad86755bSVlad Buslov */ 1260ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1261ad86755bSVlad Buslov struct list_head *unready_flows) 1262ad86755bSVlad Buslov { 1263ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1264ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1265ad86755bSVlad Buslov } 1266ad86755bSVlad Buslov 1267ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1268ad86755bSVlad Buslov * function. 1269ad86755bSVlad Buslov */ 1270ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1271ad86755bSVlad Buslov { 1272ad86755bSVlad Buslov list_del(&flow->unready); 1273ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1274ad86755bSVlad Buslov } 1275ad86755bSVlad Buslov 1276b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1277b4a23329SRoi Dayan { 1278b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1279b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1280b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1281b4a23329SRoi Dayan 1282b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1283b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1284b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1285b4a23329SRoi Dayan 1286ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1287ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1288ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1289b4a23329SRoi Dayan } 1290b4a23329SRoi Dayan 1291b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1292b4a23329SRoi Dayan { 1293ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1294ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1295ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1296ad86755bSVlad Buslov 1297ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1298ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1299ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1300ad86755bSVlad Buslov 1301ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1302ad86755bSVlad Buslov unready_flow_del(flow); 1303ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1304b4a23329SRoi Dayan } 1305b4a23329SRoi Dayan 130610742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 130710742efcSVlad Buslov 1308a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 130910742efcSVlad Buslov { 131010742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 131110742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 131210742efcSVlad Buslov 131310742efcSVlad Buslov out_priv = netdev_priv(out_dev); 131410742efcSVlad Buslov out_mdev = out_priv->mdev; 131510742efcSVlad Buslov route_priv = netdev_priv(route_dev); 131610742efcSVlad Buslov route_mdev = route_priv->mdev; 131710742efcSVlad Buslov 131810742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 131910742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 132010742efcSVlad Buslov return false; 132110742efcSVlad Buslov 132210742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 132310742efcSVlad Buslov } 132410742efcSVlad Buslov 1325a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 132610742efcSVlad Buslov { 132710742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1328f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 132910742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 133010742efcSVlad Buslov struct mlx5_eswitch *esw; 133110742efcSVlad Buslov u16 vhca_id; 133210742efcSVlad Buslov int err; 133310742efcSVlad Buslov 133410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 133510742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 133610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 133710742efcSVlad Buslov route_mdev = route_priv->mdev; 133810742efcSVlad Buslov 133910742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1340f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1341f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1342f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1343f9d196bdSDmytro Linkin * eswitch. 1344f9d196bdSDmytro Linkin */ 134510742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1346f9d196bdSDmytro Linkin if (err != -ENOENT) 1347f9d196bdSDmytro Linkin return err; 1348f9d196bdSDmytro Linkin 1349f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1350f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1351f9d196bdSDmytro Linkin if (!esw) 1352f9d196bdSDmytro Linkin return -ENODEV; 1353f9d196bdSDmytro Linkin } 1354f9d196bdSDmytro Linkin 1355f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1356f9d196bdSDmytro Linkin if (devcom) 1357f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 135810742efcSVlad Buslov return err; 135910742efcSVlad Buslov } 136010742efcSVlad Buslov 1361c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1362c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1363c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1364c7b9038dSVlad Buslov { 1365c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1366c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1367c7b9038dSVlad Buslov 1368c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1369c7b9038dSVlad Buslov get_flow_name_space(flow), 1370c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1371c7b9038dSVlad Buslov mod_hdr_acts->actions); 1372c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1373c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1374c7b9038dSVlad Buslov 1375c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1376c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1377c7b9038dSVlad Buslov 1378c7b9038dSVlad Buslov return 0; 1379c7b9038dSVlad Buslov } 1380c7b9038dSVlad Buslov 1381c83954abSRabie Loulou static int 138274491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1383e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1384e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1385adb4c123SOr Gerlitz { 1386adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1387c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1388c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13898914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1390fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1391c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13923c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13933c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 139497a8d29aSRoi Dayan struct mlx5_fc *counter; 139539ac237cSPaul Blakey u32 max_prio, max_chain; 13960ad060eeSRoi Dayan int err = 0; 1397f493f155SEli Britstein int out_index; 13988b32580dSOr Gerlitz 1399b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1400b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1401b16eb3c8SAriel Levkovich 140284179981SPaul Blakey /* We check chain range only for tc flows. 140384179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 140484179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 140584179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 140684179981SPaul Blakey */ 1407ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 140884179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 140961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141061644c3dSRoi Dayan "Requested chain is out of supported range"); 14118914add2SVlad Buslov err = -EOPNOTSUPP; 14128914add2SVlad Buslov goto err_out; 1413bf07aa73SPaul Blakey } 1414bf07aa73SPaul Blakey 1415ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1416bf07aa73SPaul Blakey if (attr->prio > max_prio) { 141761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141861644c3dSRoi Dayan "Requested priority is out of supported range"); 14198914add2SVlad Buslov err = -EOPNOTSUPP; 14208914add2SVlad Buslov goto err_out; 1421bf07aa73SPaul Blakey } 1422bf07aa73SPaul Blakey 1423777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1424777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1425777bb800SVlad Buslov if (err) 14268914add2SVlad Buslov goto err_out; 1427b16eb3c8SAriel Levkovich 1428b16eb3c8SAriel Levkovich if (!attr->chain && esw_attr->int_port) { 1429b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1430b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1431b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1432b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1433b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1434b16eb3c8SAriel Levkovich * from the proper chain. 1435b16eb3c8SAriel Levkovich */ 1436b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1437b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1438b16eb3c8SAriel Levkovich 1439b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1440b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1441b16eb3c8SAriel Levkovich metadata); 1442b16eb3c8SAriel Levkovich if (err) 14434390c6edSChristophe JAILLET goto err_out; 1444*077cdda7SRoi Dayan 1445*077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1446b16eb3c8SAriel Levkovich } 1447777bb800SVlad Buslov } 1448777bb800SVlad Buslov 144914e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 145014e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 145114e6b038SEli Cohen if (err) 14528914add2SVlad Buslov goto err_out; 145314e6b038SEli Cohen } 145414e6b038SEli Cohen 1455166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1456166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1457166f431eSAriel Levkovich 1458166f431eSAriel Levkovich if (attr->chain) { 1459166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1460166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 14614390c6edSChristophe JAILLET err = -EOPNOTSUPP; 14624390c6edSChristophe JAILLET goto err_out; 1463166f431eSAriel Levkovich } 1464166f431eSAriel Levkovich 1465166f431eSAriel Levkovich if (attr->dest_chain) { 1466166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1467166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 14684390c6edSChristophe JAILLET err = -EOPNOTSUPP; 14694390c6edSChristophe JAILLET goto err_out; 1470166f431eSAriel Levkovich } 1471166f431eSAriel Levkovich 1472166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1473166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1474166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1475166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1476166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 14774390c6edSChristophe JAILLET if (IS_ERR(int_port)) { 14784390c6edSChristophe JAILLET err = PTR_ERR(int_port); 14794390c6edSChristophe JAILLET goto err_out; 14804390c6edSChristophe JAILLET } 1481166f431eSAriel Levkovich 1482166f431eSAriel Levkovich esw_attr->int_port = int_port; 1483166f431eSAriel Levkovich } 1484166f431eSAriel Levkovich 1485f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1486fe7738ebSDima Chumak struct net_device *out_dev; 14878c4dc42bSEli Britstein int mirred_ifindex; 14888c4dc42bSEli Britstein 1489c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1490f493f155SEli Britstein continue; 1491f493f155SEli Britstein 14927040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1493fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1494fe7738ebSDima Chumak if (!out_dev) { 1495fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1496fe7738ebSDima Chumak err = -ENODEV; 1497fe7738ebSDima Chumak goto err_out; 1498fe7738ebSDima Chumak } 1499733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 15000ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1501fe7738ebSDima Chumak dev_put(out_dev); 15020ad060eeSRoi Dayan if (err) 15038914add2SVlad Buslov goto err_out; 15040ad060eeSRoi Dayan 15058914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1506100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1507100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 15088914add2SVlad Buslov vf_tun = true; 15093c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 15103c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1511c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1512c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 15133c37745eSOr Gerlitz } 15143c37745eSOr Gerlitz 15157d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 15167d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 15177d1a3d08SVlad Buslov err = -EOPNOTSUPP; 15187d1a3d08SVlad Buslov goto err_out; 15197d1a3d08SVlad Buslov } 15207d1a3d08SVlad Buslov 15218b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1522c83954abSRabie Loulou if (err) 15238914add2SVlad Buslov goto err_out; 1524adb4c123SOr Gerlitz 1525d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1526d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 15278914add2SVlad Buslov if (vf_tun) { 15288914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 15298914add2SVlad Buslov if (err) 15308914add2SVlad Buslov goto err_out; 15318914add2SVlad Buslov } else { 15321a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1533c83954abSRabie Loulou if (err) 15348914add2SVlad Buslov goto err_out; 15358914add2SVlad Buslov } 1536d7e75a32SOr Gerlitz } 1537d7e75a32SOr Gerlitz 1538b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1539c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 15408914add2SVlad Buslov if (IS_ERR(counter)) { 15418914add2SVlad Buslov err = PTR_ERR(counter); 15428914add2SVlad Buslov goto err_out; 15438914add2SVlad Buslov } 1544b8aee822SMark Bloch 1545b8aee822SMark Bloch attr->counter = counter; 1546b8aee822SMark Bloch } 1547b8aee822SMark Bloch 15480ad060eeSRoi Dayan /* we get here if one of the following takes place: 15490ad060eeSRoi Dayan * (1) there's no error 15500ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 15513c37745eSOr Gerlitz */ 1552bc1d75faSRoi Dayan if (!encap_valid) 1553178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1554bc1d75faSRoi Dayan else 15556d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 15565dbe906fSPaul Blakey 15578914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 15588914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 15598914add2SVlad Buslov goto err_out; 15608914add2SVlad Buslov } 1561226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1562c83954abSRabie Loulou 15635dbe906fSPaul Blakey return 0; 15648914add2SVlad Buslov 15658914add2SVlad Buslov err_out: 15668914add2SVlad Buslov flow_flag_set(flow, FAILED); 15678914add2SVlad Buslov return err; 1568aa0cbbaeSOr Gerlitz } 1569d85cdccbSOr Gerlitz 15709272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 15719272e3dfSYevgeny Kliteynik { 1572c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 15739272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 15749272e3dfSYevgeny Kliteynik spec->match_value, 15759272e3dfSYevgeny Kliteynik misc_parameters_3); 15769272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 15779272e3dfSYevgeny Kliteynik headers_v, 15789272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15799272e3dfSYevgeny Kliteynik 15809272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15819272e3dfSYevgeny Kliteynik } 15829272e3dfSYevgeny Kliteynik 1583d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1584d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1585d85cdccbSOr Gerlitz { 1586d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1587c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1588777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15898914add2SVlad Buslov bool vf_tun = false; 1590f493f155SEli Britstein int out_index; 1591d85cdccbSOr Gerlitz 1592777bb800SVlad Buslov esw_attr = attr->esw_attr; 15930a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15940a7fcb78SPaul Blakey 159512a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1596b4a23329SRoi Dayan remove_unready_flow(flow); 1597ef06c9eeSRoi Dayan 1598226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1599226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1600178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 16015dbe906fSPaul Blakey else 16025dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 16035dbe906fSPaul Blakey } 1604362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1605d85cdccbSOr Gerlitz 16069272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 16079272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 16089272e3dfSYevgeny Kliteynik 1609513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1610d85cdccbSOr Gerlitz 1611777bb800SVlad Buslov if (flow->decap_route) 1612777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1613777bb800SVlad Buslov 1614777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 16158914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1616100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1617100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 16188914add2SVlad Buslov vf_tun = true; 1619777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 16208c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 16212a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 16222a4b6526SVlad Buslov } 1623777bb800SVlad Buslov } 1624d7e75a32SOr Gerlitz 1625aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 16264c8594adSRoi Dayan 1627c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1628c7b9038dSVlad Buslov dealloc_mod_hdr_actions(&attr->parse_attr->mod_hdr_acts); 16298914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 16308914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 16318914add2SVlad Buslov else 16321a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1633c7b9038dSVlad Buslov } 1634bcd6740cSChris Mi kfree(attr->sample_attr); 16358914add2SVlad Buslov kvfree(attr->parse_attr); 16368914add2SVlad Buslov kvfree(attr->esw_attr->rx_tun_attr); 1637b8aee822SMark Bloch 1638b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1639777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 164014e6b038SEli Cohen 1641166f431eSAriel Levkovich if (esw_attr->int_port) 1642166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1643166f431eSAriel Levkovich 164427484f71SAriel Levkovich if (esw_attr->dest_int_port) 164527484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 164627484f71SAriel Levkovich 164714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 164814e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1649c620b772SAriel Levkovich 1650c620b772SAriel Levkovich kfree(flow->attr); 1651d85cdccbSOr Gerlitz } 1652d85cdccbSOr Gerlitz 16530d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1654b8aee822SMark Bloch { 1655c620b772SAriel Levkovich return flow->attr->counter; 1656b8aee822SMark Bloch } 1657b8aee822SMark Bloch 16586a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1659021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16606a06c2f7SVlad Buslov { 16616a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16626a06c2f7SVlad Buslov 16636a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16646a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16656a06c2f7SVlad Buslov } 16666a06c2f7SVlad Buslov 166704de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 166804de7ddaSRoi Dayan { 166904de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 167004de7ddaSRoi Dayan 1671226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1672226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 167304de7ddaSRoi Dayan return; 167404de7ddaSRoi Dayan 167504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 167604de7ddaSRoi Dayan list_del(&flow->peer); 167704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 167804de7ddaSRoi Dayan 1679226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 168004de7ddaSRoi Dayan 1681eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 168204de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1683a23dae79SRoi Dayan kfree(flow->peer_flow); 1684eb252c3aSRoi Dayan } 1685eb252c3aSRoi Dayan 168604de7ddaSRoi Dayan flow->peer_flow = NULL; 168704de7ddaSRoi Dayan } 168804de7ddaSRoi Dayan 168904de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 169004de7ddaSRoi Dayan { 169104de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 169204de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 169304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 169404de7ddaSRoi Dayan 169504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169604de7ddaSRoi Dayan if (!peer_esw) 169704de7ddaSRoi Dayan return; 169804de7ddaSRoi Dayan 169904de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 170004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 170104de7ddaSRoi Dayan } 170204de7ddaSRoi Dayan 1703e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1704961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1705e8f887acSAmir Vadai { 1706226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 170704de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1708d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 170904de7ddaSRoi Dayan } else { 1710d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1711e8f887acSAmir Vadai } 171204de7ddaSRoi Dayan } 1713e8f887acSAmir Vadai 1714ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1715bbd00f7eSHadar Hen Zion { 1716f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17170a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17180a7fcb78SPaul Blakey const struct flow_action_entry *act; 17190a7fcb78SPaul Blakey int i; 1720bbd00f7eSHadar Hen Zion 1721ee950e5dSChris Mi if (chain) 1722ee950e5dSChris Mi return false; 1723ee950e5dSChris Mi 17240a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17250a7fcb78SPaul Blakey switch (act->id) { 17260a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17270a7fcb78SPaul Blakey return true; 1728ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1729ee950e5dSChris Mi return true; 17300a7fcb78SPaul Blakey default: 17310a7fcb78SPaul Blakey continue; 1732fe1587a7SDmytro Linkin } 17332e72eb43SOr Gerlitz } 1734bbd00f7eSHadar Hen Zion 17350a7fcb78SPaul Blakey return false; 17360a7fcb78SPaul Blakey } 1737bcef735cSOr Gerlitz 17380a7fcb78SPaul Blakey static int 17390a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17400a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17410a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17420a7fcb78SPaul Blakey bool *dont_care) 17430a7fcb78SPaul Blakey { 17440a7fcb78SPaul Blakey struct geneve_opt *opt; 17450a7fcb78SPaul Blakey int off = 0; 1746bcef735cSOr Gerlitz 17470a7fcb78SPaul Blakey *dont_care = true; 1748bcef735cSOr Gerlitz 17490a7fcb78SPaul Blakey while (opts->len > off) { 17500a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1751e98bedf5SEli Britstein 17520a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17530a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17540a7fcb78SPaul Blakey *dont_care = false; 17550a7fcb78SPaul Blakey 1756c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1757d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1758c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 17590a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17600a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17610a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1762e98bedf5SEli Britstein return -EOPNOTSUPP; 1763e98bedf5SEli Britstein } 1764bcef735cSOr Gerlitz } 1765bcef735cSOr Gerlitz 17660a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1767bbd00f7eSHadar Hen Zion } 1768bbd00f7eSHadar Hen Zion 1769bbd00f7eSHadar Hen Zion return 0; 1770bbd00f7eSHadar Hen Zion } 1771bbd00f7eSHadar Hen Zion 17720a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17730a7fcb78SPaul Blakey ({ \ 17740a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17750a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17760a7fcb78SPaul Blakey \ 17770a7fcb78SPaul Blakey memcpy(__dst,\ 17780a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17790a7fcb78SPaul Blakey diss_key,\ 17800a7fcb78SPaul Blakey __rule->match.key),\ 17810a7fcb78SPaul Blakey sizeof(*__dst));\ 17820a7fcb78SPaul Blakey }) 17830a7fcb78SPaul Blakey 17840a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17850a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17860a7fcb78SPaul Blakey struct flow_cls_offload *f, 17870a7fcb78SPaul Blakey struct net_device *filter_dev) 17888377629eSEli Britstein { 17890a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17900a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17910a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17920a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1793d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17940a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1795c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17960a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17970a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17980a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17990a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18000a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18010a7fcb78SPaul Blakey u32 value, mask; 18020a7fcb78SPaul Blakey int err; 18030a7fcb78SPaul Blakey 18040a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18050a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18060a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18070a7fcb78SPaul Blakey 18080a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18090a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18100a7fcb78SPaul Blakey &tunnel_key.enc_control); 18110a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18120a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18130a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18140a7fcb78SPaul Blakey else 18150a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18160a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18170a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18180a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18190a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18200a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18210a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18220a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18230a7fcb78SPaul Blakey 18240a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18250a7fcb78SPaul Blakey if (err) 18260a7fcb78SPaul Blakey return err; 18270a7fcb78SPaul Blakey 18280a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18290a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18300a7fcb78SPaul Blakey enc_opts_match.mask, 18310a7fcb78SPaul Blakey extack, 18320a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18330a7fcb78SPaul Blakey if (err) 18340a7fcb78SPaul Blakey goto err_enc_opts; 18350a7fcb78SPaul Blakey 18360a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1837d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1838d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1839d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1840d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1841d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1842d7a42ad0SRoi Dayan 18430a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1844d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18450a7fcb78SPaul Blakey if (err) 18460a7fcb78SPaul Blakey goto err_enc_opts; 18470a7fcb78SPaul Blakey } 18480a7fcb78SPaul Blakey 18490a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18500a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18510a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18520a7fcb78SPaul Blakey 18530a7fcb78SPaul Blakey if (attr->chain) { 18540a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18550a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18560a7fcb78SPaul Blakey } else { 18570a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18580a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1859aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 18600a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18610a7fcb78SPaul Blakey if (err) 18620a7fcb78SPaul Blakey goto err_set; 18630a7fcb78SPaul Blakey 18640a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18650a7fcb78SPaul Blakey } 18660a7fcb78SPaul Blakey 18670a7fcb78SPaul Blakey flow->tunnel_id = value; 18680a7fcb78SPaul Blakey return 0; 18690a7fcb78SPaul Blakey 18700a7fcb78SPaul Blakey err_set: 18710a7fcb78SPaul Blakey if (enc_opts_id) 18720a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18730a7fcb78SPaul Blakey enc_opts_id); 18740a7fcb78SPaul Blakey err_enc_opts: 18750a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18760a7fcb78SPaul Blakey return err; 18770a7fcb78SPaul Blakey } 18780a7fcb78SPaul Blakey 18790a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18800a7fcb78SPaul Blakey { 18810a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18820a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18830a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18840a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18850a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18860a7fcb78SPaul Blakey 18870a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18880a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18890a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18900a7fcb78SPaul Blakey 18910a7fcb78SPaul Blakey if (tun_id) 18920a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18930a7fcb78SPaul Blakey if (enc_opts_id) 18940a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18950a7fcb78SPaul Blakey enc_opts_id); 18960a7fcb78SPaul Blakey } 18970a7fcb78SPaul Blakey 18984c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18994c3844d9SPaul Blakey { 19004c3844d9SPaul Blakey return flow->tunnel_id; 19014c3844d9SPaul Blakey } 19024c3844d9SPaul Blakey 1903fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1904fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1905fca53304SEli Britstein void *headers_c, void *headers_v) 19064a5d5d73SEli Britstein { 1907fca53304SEli Britstein bool ip_version_cap; 1908fca53304SEli Britstein 1909fca53304SEli Britstein ip_version_cap = outer ? 1910fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1911fca53304SEli Britstein ft_field_support.outer_ip_version) : 1912fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1913fca53304SEli Britstein ft_field_support.inner_ip_version); 1914fca53304SEli Britstein 1915fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1916fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1917fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1918fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1919fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1920fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1921fca53304SEli Britstein } else { 19224a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19234a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19244a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19254a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19264a5d5d73SEli Britstein } 1927fca53304SEli Britstein } 19284a5d5d73SEli Britstein 19290d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1930a508728aSVlad Buslov { 1931a508728aSVlad Buslov void *headers_v; 1932a508728aSVlad Buslov u16 ethertype; 1933a508728aSVlad Buslov u8 ip_version; 1934a508728aSVlad Buslov 1935a508728aSVlad Buslov if (outer) 1936a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1937a508728aSVlad Buslov else 1938a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1939a508728aSVlad Buslov 1940a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1941a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1942a508728aSVlad Buslov if (!ip_version) { 1943a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1944a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1945a508728aSVlad Buslov ip_version = 4; 1946a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1947a508728aSVlad Buslov ip_version = 6; 1948a508728aSVlad Buslov } 1949a508728aSVlad Buslov return ip_version; 1950a508728aSVlad Buslov } 1951a508728aSVlad Buslov 19520a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19530a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19540a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19550a7fcb78SPaul Blakey struct flow_cls_offload *f, 19560a7fcb78SPaul Blakey struct net_device *filter_dev, 19570a7fcb78SPaul Blakey u8 *match_level, 19580a7fcb78SPaul Blakey bool *match_inner) 19590a7fcb78SPaul Blakey { 1960a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 19610a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19620a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19630a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19640a7fcb78SPaul Blakey int err; 19650a7fcb78SPaul Blakey 19660885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 19670885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 19680a7fcb78SPaul Blakey return -EOPNOTSUPP; 19690885ae1aSAbhiram R N } 19700a7fcb78SPaul Blakey 1971c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1972ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 19730a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19740a7fcb78SPaul Blakey 19750a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1976636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 1977c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 1978636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19790a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1980636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19810a7fcb78SPaul Blakey return -EOPNOTSUPP; 19820a7fcb78SPaul Blakey } 19830a7fcb78SPaul Blakey 1984c620b772SAriel Levkovich if (!flow->attr->chain) { 19850a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19860a7fcb78SPaul Blakey match_level); 19870a7fcb78SPaul Blakey if (err) { 19880a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19890a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19900a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19910a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19920a7fcb78SPaul Blakey return err; 19930a7fcb78SPaul Blakey } 19940a7fcb78SPaul Blakey 199514e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 199614e6b038SEli Cohen * object 199714e6b038SEli Cohen */ 199814e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1999c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2000a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2001a508728aSVlad Buslov if (err) 2002a508728aSVlad Buslov return err; 2003a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2004a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2005a508728aSVlad Buslov 2006a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2007a508728aSVlad Buslov if (!tmp_spec) { 2008a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2009a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2010a508728aSVlad Buslov return -ENOMEM; 2011a508728aSVlad Buslov } 2012a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2013a508728aSVlad Buslov 2014a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2015a508728aSVlad Buslov if (err) { 2016a508728aSVlad Buslov kvfree(tmp_spec); 2017a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2018a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2019a508728aSVlad Buslov return err; 2020a508728aSVlad Buslov } 2021a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2022a508728aSVlad Buslov kvfree(tmp_spec); 2023a508728aSVlad Buslov if (err) 2024a508728aSVlad Buslov return err; 20250a7fcb78SPaul Blakey } 20260a7fcb78SPaul Blakey 20270a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20280a7fcb78SPaul Blakey return 0; 20290a7fcb78SPaul Blakey 20300a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20310a7fcb78SPaul Blakey } 20320a7fcb78SPaul Blakey 20330a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20340a7fcb78SPaul Blakey { 20350a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20360a7fcb78SPaul Blakey inner_headers); 20370a7fcb78SPaul Blakey } 20380a7fcb78SPaul Blakey 20390a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20400a7fcb78SPaul Blakey { 20410a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20420a7fcb78SPaul Blakey inner_headers); 20430a7fcb78SPaul Blakey } 20440a7fcb78SPaul Blakey 20450a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20460a7fcb78SPaul Blakey { 20470a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20480a7fcb78SPaul Blakey outer_headers); 20490a7fcb78SPaul Blakey } 20500a7fcb78SPaul Blakey 20510a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20520a7fcb78SPaul Blakey { 20530a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20548377629eSEli Britstein outer_headers); 20558377629eSEli Britstein } 20568377629eSEli Britstein 20578377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20588377629eSEli Britstein struct mlx5_flow_spec *spec) 20598377629eSEli Britstein { 20608377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20610a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20620a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20630a7fcb78SPaul Blakey } 20640a7fcb78SPaul Blakey 20650a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20660a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20670a7fcb78SPaul Blakey { 20680a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20690a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20700a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20718377629eSEli Britstein } 20728377629eSEli Britstein 20736d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20746d65bc64Swenxu struct flow_cls_offload *f) 20756d65bc64Swenxu { 20766d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20776d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20786d65bc64Swenxu struct net_device *ingress_dev; 20796d65bc64Swenxu struct flow_match_meta match; 20806d65bc64Swenxu 20816d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20826d65bc64Swenxu return 0; 20836d65bc64Swenxu 20846d65bc64Swenxu flow_rule_match_meta(rule, &match); 2085e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2086e3e0f9b2Swenxu return 0; 2087e3e0f9b2Swenxu 20886d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20896d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2090a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20916d65bc64Swenxu } 20926d65bc64Swenxu 20936d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20946d65bc64Swenxu match.key->ingress_ifindex); 20956d65bc64Swenxu if (!ingress_dev) { 20966d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20976d65bc64Swenxu "Can't find the ingress port to match on"); 2098a683012aSPablo Neira Ayuso return -ENOENT; 20996d65bc64Swenxu } 21006d65bc64Swenxu 21016d65bc64Swenxu if (ingress_dev != filter_dev) { 21026d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21036d65bc64Swenxu "Can't match on the ingress filter port"); 2104a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 21056d65bc64Swenxu } 21066d65bc64Swenxu 21076d65bc64Swenxu return 0; 21086d65bc64Swenxu } 21096d65bc64Swenxu 211072046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 211172046a91SEli Cohen struct flow_cls_offload *f) 211272046a91SEli Cohen { 211372046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 211472046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 211572046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 211672046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 211772046a91SEli Cohen */ 211872046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 211972046a91SEli Cohen return true; 212072046a91SEli Cohen 212172046a91SEli Cohen return false; 212272046a91SEli Cohen } 212372046a91SEli Cohen 2124de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 21250a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2126de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2127f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 212854c177caSOz Shlomo struct net_device *filter_dev, 212993b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2130e3a2b7edSAmir Vadai { 2131e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2132c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2133c5bb1730SMaor Gottlieb outer_headers); 2134c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2135c5bb1730SMaor Gottlieb outer_headers); 2136699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2137699e96ddSJianbo Liu misc_parameters); 2138699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2139699e96ddSJianbo Liu misc_parameters); 2140a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2141a3222a2dSMaor Dickman misc_parameters_3); 2142a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2143a3222a2dSMaor Dickman misc_parameters_3); 2144f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21458f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2146afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2147e3a2b7edSAmir Vadai u16 addr_type = 0; 2148e3a2b7edSAmir Vadai u8 ip_proto = 0; 214993b3586eSHuy Nguyen u8 *match_level; 21506d65bc64Swenxu int err; 2151e3a2b7edSAmir Vadai 2152afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 215393b3586eSHuy Nguyen match_level = outer_match_level; 2154de0af0bfSRoi Dayan 21558f256622SPablo Neira Ayuso if (dissector->used_keys & 21563d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21573d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2158e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2159e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2160095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2161699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2162e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2163e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2164bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2165bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2166bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2167bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2168bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2169e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2170fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2171bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21724c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21739272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 217472046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2175a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 217672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2177e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 217848470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 21798f256622SPablo Neira Ayuso dissector->used_keys); 2180e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2181e3a2b7edSAmir Vadai } 2182e3a2b7edSAmir Vadai 2183075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21840a7fcb78SPaul Blakey bool match_inner = false; 2185bbd00f7eSHadar Hen Zion 21860a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21870a7fcb78SPaul Blakey outer_match_level, &match_inner); 21880a7fcb78SPaul Blakey if (err) 21890a7fcb78SPaul Blakey return err; 21900a7fcb78SPaul Blakey 21910a7fcb78SPaul Blakey if (match_inner) { 21920a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21930a7fcb78SPaul Blakey * if the packet was decapsulated already. 21940a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2195bbd00f7eSHadar Hen Zion */ 219693b3586eSHuy Nguyen match_level = inner_match_level; 21970a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21980a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21990a7fcb78SPaul Blakey } 2200bbd00f7eSHadar Hen Zion } 2201bbd00f7eSHadar Hen Zion 22026d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 22036d65bc64Swenxu if (err) 22046d65bc64Swenxu return err; 22056d65bc64Swenxu 220672046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 220772046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 22088f256622SPablo Neira Ayuso struct flow_match_basic match; 2209e3a2b7edSAmir Vadai 22108f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2211fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2212fca53304SEli Britstein match_level == outer_match_level, 2213fca53304SEli Britstein headers_c, headers_v); 22148f256622SPablo Neira Ayuso 22158f256622SPablo Neira Ayuso if (match.mask->n_proto) 2216d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2217e3a2b7edSAmir Vadai } 221835a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 221935a605dbSEli Britstein is_vlan_dev(filter_dev)) { 222035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 222135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 22228f256622SPablo Neira Ayuso struct flow_match_vlan match; 22238f256622SPablo Neira Ayuso 222435a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 222535a605dbSEli Britstein match.key = &filter_dev_key; 222635a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 222735a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 222835a605dbSEli Britstein match.key->vlan_priority = 0; 222935a605dbSEli Britstein match.mask = &filter_dev_mask; 223035a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 223135a605dbSEli Britstein match.mask->vlan_priority = 0; 223235a605dbSEli Britstein } else { 22338f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 223435a605dbSEli Britstein } 22358f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22368f256622SPablo Neira Ayuso match.mask->vlan_priority || 22378f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22388f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2239699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2240699e96ddSJianbo Liu svlan_tag, 1); 2241699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2242699e96ddSJianbo Liu svlan_tag, 1); 2243699e96ddSJianbo Liu } else { 2244699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2245699e96ddSJianbo Liu cvlan_tag, 1); 2246699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2247699e96ddSJianbo Liu cvlan_tag, 1); 2248699e96ddSJianbo Liu } 2249095b6cfdSOr Gerlitz 22508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22518f256622SPablo Neira Ayuso match.mask->vlan_id); 22528f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22538f256622SPablo Neira Ayuso match.key->vlan_id); 2254358d79a4SOr Gerlitz 22558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22568f256622SPablo Neira Ayuso match.mask->vlan_priority); 22578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22588f256622SPablo Neira Ayuso match.key->vlan_priority); 225954782900SOr Gerlitz 2260d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2261095b6cfdSOr Gerlitz } 2262d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2263fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2264fc603294SMark Bloch * disabled in match value means both S & C tags 2265fc603294SMark Bloch * don't exist (untagged of both) 2266fc603294SMark Bloch */ 2267cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2268d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2269095b6cfdSOr Gerlitz } 2270095b6cfdSOr Gerlitz 22718f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22728f256622SPablo Neira Ayuso struct flow_match_vlan match; 22738f256622SPablo Neira Ayuso 227412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22758f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22768f256622SPablo Neira Ayuso match.mask->vlan_priority || 22778f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2278afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2279afe93f71SRoi Dayan fs_type)) { 2280afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2281afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2282afe93f71SRoi Dayan return -EOPNOTSUPP; 2283afe93f71SRoi Dayan } 2284afe93f71SRoi Dayan 22858f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2286699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2287699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2288699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2289699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2290699e96ddSJianbo Liu } else { 2291699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2292699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2293699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2294699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2295699e96ddSJianbo Liu } 2296699e96ddSJianbo Liu 2297699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22988f256622SPablo Neira Ayuso match.mask->vlan_id); 2299699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 23008f256622SPablo Neira Ayuso match.key->vlan_id); 2301699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 23028f256622SPablo Neira Ayuso match.mask->vlan_priority); 2303699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 23048f256622SPablo Neira Ayuso match.key->vlan_priority); 2305699e96ddSJianbo Liu 2306699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 23070faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2308699e96ddSJianbo Liu } 2309699e96ddSJianbo Liu } 2310699e96ddSJianbo Liu 23118f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 23128f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 231354782900SOr Gerlitz 23148f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2315d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2316d3a80bb5SOr Gerlitz dmac_47_16), 23178f256622SPablo Neira Ayuso match.mask->dst); 2318d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2319d3a80bb5SOr Gerlitz dmac_47_16), 23208f256622SPablo Neira Ayuso match.key->dst); 2321d3a80bb5SOr Gerlitz 2322d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2323d3a80bb5SOr Gerlitz smac_47_16), 23248f256622SPablo Neira Ayuso match.mask->src); 2325d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2326d3a80bb5SOr Gerlitz smac_47_16), 23278f256622SPablo Neira Ayuso match.key->src); 2328d3a80bb5SOr Gerlitz 23298f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 23308f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2331d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 233254782900SOr Gerlitz } 233354782900SOr Gerlitz 23348f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 23358f256622SPablo Neira Ayuso struct flow_match_control match; 233654782900SOr Gerlitz 23378f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 23388f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 233954782900SOr Gerlitz 234054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 23410885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 23420885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 234354782900SOr Gerlitz return -EOPNOTSUPP; 23440885ae1aSAbhiram R N } 234554782900SOr Gerlitz 23468f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 234754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 234854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 23498f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 235054782900SOr Gerlitz 235154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23528f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 235383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 235454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 235554782900SOr Gerlitz else 235683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 235754782900SOr Gerlitz } 235854782900SOr Gerlitz } 235954782900SOr Gerlitz 23608f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23618f256622SPablo Neira Ayuso struct flow_match_basic match; 23628f256622SPablo Neira Ayuso 23638f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23648f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 236554782900SOr Gerlitz 236654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23678f256622SPablo Neira Ayuso match.mask->ip_proto); 236854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23698f256622SPablo Neira Ayuso match.key->ip_proto); 237054782900SOr Gerlitz 23718f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2372d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 237354782900SOr Gerlitz } 237454782900SOr Gerlitz 2375e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23768f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2377e3a2b7edSAmir Vadai 23788f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2379e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2380e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23818f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2382e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2383e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23848f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2385e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2386e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23878f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2388e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2389e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23908f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2391de0af0bfSRoi Dayan 23928f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2393d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2394e3a2b7edSAmir Vadai } 2395e3a2b7edSAmir Vadai 2396e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23978f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2398e3a2b7edSAmir Vadai 23998f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2400e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2401e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24028f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2403e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2404e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24058f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2406e3a2b7edSAmir Vadai 2407e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2408e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24098f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2410e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2411e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24128f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2413de0af0bfSRoi Dayan 24148f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 24158f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2416d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2417e3a2b7edSAmir Vadai } 2418e3a2b7edSAmir Vadai 24198f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 24208f256622SPablo Neira Ayuso struct flow_match_ip match; 24211f97a526SOr Gerlitz 24228f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 24238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 24248f256622SPablo Neira Ayuso match.mask->tos & 0x3); 24258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 24268f256622SPablo Neira Ayuso match.key->tos & 0x3); 24271f97a526SOr Gerlitz 24288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 24298f256622SPablo Neira Ayuso match.mask->tos >> 2); 24308f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 24318f256622SPablo Neira Ayuso match.key->tos >> 2); 24321f97a526SOr Gerlitz 24338f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 24348f256622SPablo Neira Ayuso match.mask->ttl); 24358f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 24368f256622SPablo Neira Ayuso match.key->ttl); 24371f97a526SOr Gerlitz 24388f256622SPablo Neira Ayuso if (match.mask->ttl && 2439a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2440e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2441e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2442e98bedf5SEli Britstein "Matching on TTL is not supported"); 24431f97a526SOr Gerlitz return -EOPNOTSUPP; 2444e98bedf5SEli Britstein } 2445a8ade55fSOr Gerlitz 24468f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2447d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 24481f97a526SOr Gerlitz } 24491f97a526SOr Gerlitz 245054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 245154782900SOr Gerlitz 24528f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24538f256622SPablo Neira Ayuso struct flow_match_ports match; 24548f256622SPablo Neira Ayuso 24558f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2456e3a2b7edSAmir Vadai switch (ip_proto) { 2457e3a2b7edSAmir Vadai case IPPROTO_TCP: 2458e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24598f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2460e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24618f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2462e3a2b7edSAmir Vadai 2463e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24648f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2465e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24668f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2467e3a2b7edSAmir Vadai break; 2468e3a2b7edSAmir Vadai 2469e3a2b7edSAmir Vadai case IPPROTO_UDP: 2470e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24718f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2472e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24738f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2474e3a2b7edSAmir Vadai 2475e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24768f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2477e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24788f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2479e3a2b7edSAmir Vadai break; 2480e3a2b7edSAmir Vadai default: 2481e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2482e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2483e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2484e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2485e3a2b7edSAmir Vadai return -EINVAL; 2486e3a2b7edSAmir Vadai } 2487de0af0bfSRoi Dayan 24888f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2489d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2490e3a2b7edSAmir Vadai } 2491e3a2b7edSAmir Vadai 24928f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24938f256622SPablo Neira Ayuso struct flow_match_tcp match; 2494e77834ecSOr Gerlitz 24958f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2496e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24978f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2498e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24998f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2500e77834ecSOr Gerlitz 25018f256622SPablo Neira Ayuso if (match.mask->flags) 2502d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2503e77834ecSOr Gerlitz } 2504a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2505a3222a2dSMaor Dickman struct flow_match_icmp match; 2506e77834ecSOr Gerlitz 2507a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2508a3222a2dSMaor Dickman switch (ip_proto) { 2509a3222a2dSMaor Dickman case IPPROTO_ICMP: 2510a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25110885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 25120885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25130885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2514a3222a2dSMaor Dickman return -EOPNOTSUPP; 25150885ae1aSAbhiram R N } 2516a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2517a3222a2dSMaor Dickman match.mask->type); 2518a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2519a3222a2dSMaor Dickman match.key->type); 2520a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2521a3222a2dSMaor Dickman match.mask->code); 2522a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2523a3222a2dSMaor Dickman match.key->code); 2524a3222a2dSMaor Dickman break; 2525a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2526a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25270885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 25280885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25290885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2530a3222a2dSMaor Dickman return -EOPNOTSUPP; 25310885ae1aSAbhiram R N } 2532a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2533a3222a2dSMaor Dickman match.mask->type); 2534a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2535a3222a2dSMaor Dickman match.key->type); 2536a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2537a3222a2dSMaor Dickman match.mask->code); 2538a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2539a3222a2dSMaor Dickman match.key->code); 2540a3222a2dSMaor Dickman break; 2541a3222a2dSMaor Dickman default: 2542a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2543a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2544a3222a2dSMaor Dickman netdev_err(priv->netdev, 2545a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2546a3222a2dSMaor Dickman return -EINVAL; 2547a3222a2dSMaor Dickman } 2548a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2549a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2550a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2551a3222a2dSMaor Dickman } 2552a3222a2dSMaor Dickman } 255339c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 25547d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 25557d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 25567d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 25577d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 25587d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 25597d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 25607d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 25617d6c86e3SAlaa Hleihel } 25627d6c86e3SAlaa Hleihel 2563e3a2b7edSAmir Vadai return 0; 2564e3a2b7edSAmir Vadai } 2565e3a2b7edSAmir Vadai 2566de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 256765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2568de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2569f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 257054c177caSOz Shlomo struct net_device *filter_dev) 2571de0af0bfSRoi Dayan { 257293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2573e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2574de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2575de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 25761d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25771d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2578226f2ca3SVlad Buslov bool is_eswitch_flow; 2579de0af0bfSRoi Dayan int err; 2580de0af0bfSRoi Dayan 258193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 258293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 258393b3586eSHuy Nguyen 25840a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25850a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 258693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 258793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2588de0af0bfSRoi Dayan 2589226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2590226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25911d447a39SSaeed Mahameed rep = rpriv->rep; 2592b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25931d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 259493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2595e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2596e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2597de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2598de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 259993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2600de0af0bfSRoi Dayan return -EOPNOTSUPP; 2601de0af0bfSRoi Dayan } 2602de0af0bfSRoi Dayan } 2603de0af0bfSRoi Dayan 2604c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2605c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2606c620b772SAriel Levkovich 260738aa51c1SOr Gerlitz 2608de0af0bfSRoi Dayan return err; 2609de0af0bfSRoi Dayan } 2610de0af0bfSRoi Dayan 2611d79b6df6SOr Gerlitz struct pedit_headers { 2612d79b6df6SOr Gerlitz struct ethhdr eth; 26130eb69bb9SEli Britstein struct vlan_hdr vlan; 2614d79b6df6SOr Gerlitz struct iphdr ip4; 2615d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2616d79b6df6SOr Gerlitz struct tcphdr tcp; 2617d79b6df6SOr Gerlitz struct udphdr udp; 2618d79b6df6SOr Gerlitz }; 2619d79b6df6SOr Gerlitz 2620c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2621c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2622c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2623c500c86bSPablo Neira Ayuso u32 pedits; 2624c500c86bSPablo Neira Ayuso }; 2625c500c86bSPablo Neira Ayuso 2626d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 262773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 262873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 262973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 263073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 263173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2632d79b6df6SOr Gerlitz }; 2633d79b6df6SOr Gerlitz 2634d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2635d79b6df6SOr Gerlitz 2636d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 26370885ae1aSAbhiram R N struct pedit_headers_action *hdrs, 26380885ae1aSAbhiram R N struct netlink_ext_ack *extack) 2639d79b6df6SOr Gerlitz { 2640d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2641d79b6df6SOr Gerlitz 2642c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2643c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2644d79b6df6SOr Gerlitz 26450885ae1aSAbhiram R N if (*curr_pmask & mask) { /* disallow acting twice on the same location */ 26460885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 26470885ae1aSAbhiram R N "curr_pmask and new mask same. Acting twice on same location"); 2648d79b6df6SOr Gerlitz goto out_err; 26490885ae1aSAbhiram R N } 2650d79b6df6SOr Gerlitz 2651d79b6df6SOr Gerlitz *curr_pmask |= mask; 2652d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2653d79b6df6SOr Gerlitz 2654d79b6df6SOr Gerlitz return 0; 2655d79b6df6SOr Gerlitz 2656d79b6df6SOr Gerlitz out_err: 2657d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2658d79b6df6SOr Gerlitz } 2659d79b6df6SOr Gerlitz 2660d79b6df6SOr Gerlitz struct mlx5_fields { 2661d79b6df6SOr Gerlitz u8 field; 266288f30bbcSDmytro Linkin u8 field_bsize; 266388f30bbcSDmytro Linkin u32 field_mask; 2664d79b6df6SOr Gerlitz u32 offset; 266527c11b6bSEli Britstein u32 match_offset; 2666d79b6df6SOr Gerlitz }; 2667d79b6df6SOr Gerlitz 266888f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 266988f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 267027c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 267127c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 267227c11b6bSEli Britstein 26732ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26742ef86872SEli Britstein * match. 26752ef86872SEli Britstein */ 26762ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 26772ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 26782ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 26792ef86872SEli Britstein type maskx = *(type *)(maskp); \ 26802ef86872SEli Britstein type valx = *(type *)(valp); \ 26812ef86872SEli Britstein \ 26822ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26832ef86872SEli Britstein matchmaskx)); \ 26842ef86872SEli Britstein }) 26852ef86872SEli Britstein 268627c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 268788f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 268827c11b6bSEli Britstein { 268927c11b6bSEli Britstein bool same = false; 269027c11b6bSEli Britstein 269188f30bbcSDmytro Linkin switch (bsize) { 269288f30bbcSDmytro Linkin case 8: 26932ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 269427c11b6bSEli Britstein break; 269588f30bbcSDmytro Linkin case 16: 26962ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 269727c11b6bSEli Britstein break; 269888f30bbcSDmytro Linkin case 32: 26992ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 270027c11b6bSEli Britstein break; 270127c11b6bSEli Britstein } 270227c11b6bSEli Britstein 270327c11b6bSEli Britstein return same; 270427c11b6bSEli Britstein } 2705a8e4f0c4SOr Gerlitz 2706d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 270788f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 270888f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 270988f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 271088f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 271188f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 271288f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2713d79b6df6SOr Gerlitz 2714ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 271588f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 271688f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 271788f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2718d79b6df6SOr Gerlitz 271988f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 272027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 272188f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 272227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 272388f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 272427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 272588f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 272627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 272788f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 272827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 272988f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 273027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 273188f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 273227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 273388f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 273427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 273588f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2736748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2737d79b6df6SOr Gerlitz 273888f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 273988f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 274088f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 274188f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2742d79b6df6SOr Gerlitz 274388f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 274488f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2745d79b6df6SOr Gerlitz }; 2746d79b6df6SOr Gerlitz 274782198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 274882198d8bSMaor Dickman { 274982198d8bSMaor Dickman __be32 mask_be32; 275082198d8bSMaor Dickman __be16 mask_be16; 275182198d8bSMaor Dickman 275282198d8bSMaor Dickman if (size == 32) { 275382198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 275482198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 275582198d8bSMaor Dickman } else if (size == 16) { 275682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 275782198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 275882198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 275982198d8bSMaor Dickman } 276082198d8bSMaor Dickman 276182198d8bSMaor Dickman return mask; 276282198d8bSMaor Dickman } 27636ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27646ae4a6a5SPaul Blakey int namespace, 27656ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2766e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 276727c11b6bSEli Britstein u32 *action_flags, 2768e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2769d79b6df6SOr Gerlitz { 2770d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 27716ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 277288f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 277388f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27746ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2775d79b6df6SOr Gerlitz struct mlx5_fields *f; 277682198d8bSMaor Dickman unsigned long mask, field_mask; 27776ae4a6a5SPaul Blakey int err; 277888f30bbcSDmytro Linkin u8 cmd; 277988f30bbcSDmytro Linkin 27806ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 278188f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 278288f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2783d79b6df6SOr Gerlitz 278473867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 278573867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 278673867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 278773867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2788d79b6df6SOr Gerlitz 2789d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2790d79b6df6SOr Gerlitz 2791d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 279227c11b6bSEli Britstein bool skip; 279327c11b6bSEli Britstein 2794d79b6df6SOr Gerlitz f = &fields[i]; 2795d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2796e3ca4e05SOr Gerlitz s_mask = 0; 2797e3ca4e05SOr Gerlitz a_mask = 0; 2798d79b6df6SOr Gerlitz 2799d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2800d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2801d79b6df6SOr Gerlitz 280288f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 280388f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2804d79b6df6SOr Gerlitz 2805d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2806d79b6df6SOr Gerlitz continue; 2807d79b6df6SOr Gerlitz 2808d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2809e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2810e98bedf5SEli Britstein "can't set and add to the same HW field"); 281161b6a6c3SCai Huoqing netdev_warn(priv->netdev, 281261b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 281361b6a6c3SCai Huoqing f->field); 2814d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2815d79b6df6SOr Gerlitz } 2816d79b6df6SOr Gerlitz 281727c11b6bSEli Britstein skip = false; 2818d79b6df6SOr Gerlitz if (s_mask) { 281927c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 282027c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 282127c11b6bSEli Britstein 2822d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2823d79b6df6SOr Gerlitz mask = s_mask; 2824d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 282527c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 282627c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 282788f30bbcSDmytro Linkin match_mask, f->field_bsize)) 282827c11b6bSEli Britstein skip = true; 2829d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 283088f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2831d79b6df6SOr Gerlitz } else { 2832d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2833d79b6df6SOr Gerlitz mask = a_mask; 2834d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 283527c11b6bSEli Britstein /* add 0 is no change */ 283688f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 283727c11b6bSEli Britstein skip = true; 2838d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 283988f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2840d79b6df6SOr Gerlitz } 284127c11b6bSEli Britstein if (skip) 284227c11b6bSEli Britstein continue; 2843d79b6df6SOr Gerlitz 284482198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 28452b64bebaSOr Gerlitz 284688f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 284788f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 284888f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28492b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2850e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2851e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 285261b6a6c3SCai Huoqing netdev_warn(priv->netdev, 285361b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2854d79b6df6SOr Gerlitz mask); 2855d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2856d79b6df6SOr Gerlitz } 2857d79b6df6SOr Gerlitz 28586ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 28596ae4a6a5SPaul Blakey if (err) { 28606ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28616ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28626ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28636ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28646ae4a6a5SPaul Blakey mod_acts->num_actions); 28656ae4a6a5SPaul Blakey return err; 28666ae4a6a5SPaul Blakey } 28676ae4a6a5SPaul Blakey 28686ae4a6a5SPaul Blakey action = mod_acts->actions + 28696ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2870d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2871d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2872d79b6df6SOr Gerlitz 2873d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 287488f30bbcSDmytro Linkin int start; 287588f30bbcSDmytro Linkin 287682198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 287782198d8bSMaor Dickman 287888f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 287982198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 288088f30bbcSDmytro Linkin 288188f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2882d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28832b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2884d79b6df6SOr Gerlitz } 2885d79b6df6SOr Gerlitz 288688f30bbcSDmytro Linkin if (f->field_bsize == 32) 28872b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 288888f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28892b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 289088f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28912b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2892d79b6df6SOr Gerlitz 28936ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2894d79b6df6SOr Gerlitz } 2895d79b6df6SOr Gerlitz 2896d79b6df6SOr Gerlitz return 0; 2897d79b6df6SOr Gerlitz } 2898d79b6df6SOr Gerlitz 28992cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 29002cc1cb1dSTonghao Zhang int namespace) 29012cc1cb1dSTonghao Zhang { 29022cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 29032cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 29042cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 29052cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 29062cc1cb1dSTonghao Zhang } 29072cc1cb1dSTonghao Zhang 29086ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2909c500c86bSPablo Neira Ayuso int namespace, 29106ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2911d79b6df6SOr Gerlitz { 29126ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 29136ae4a6a5SPaul Blakey size_t new_sz, old_sz; 29146ae4a6a5SPaul Blakey void *ret; 2915d79b6df6SOr Gerlitz 29166ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 29176ae4a6a5SPaul Blakey return 0; 29186ae4a6a5SPaul Blakey 2919d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2920d79b6df6SOr Gerlitz 29216ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 29226ae4a6a5SPaul Blakey namespace); 29236ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 29246ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 29256ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 29266ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 29276ae4a6a5SPaul Blakey return -ENOSPC; 2928d79b6df6SOr Gerlitz 29296ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 29306ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 29316ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 29326ae4a6a5SPaul Blakey if (!ret) 2933d79b6df6SOr Gerlitz return -ENOMEM; 2934d79b6df6SOr Gerlitz 29356ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 29366ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 29376ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 29386ae4a6a5SPaul Blakey 2939d79b6df6SOr Gerlitz return 0; 2940d79b6df6SOr Gerlitz } 2941d79b6df6SOr Gerlitz 29426ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 29436ae4a6a5SPaul Blakey { 29446ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 29456ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 29466ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 29476ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 29486ae4a6a5SPaul Blakey } 29496ae4a6a5SPaul Blakey 2950d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2951d79b6df6SOr Gerlitz 2952582234b4SEli Cohen static int 2953582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 295473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2955582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2956c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2957e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2958d79b6df6SOr Gerlitz { 295973867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 296073867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2961d79b6df6SOr Gerlitz u32 mask, val, offset; 296273867881SPablo Neira Ayuso u8 htype; 2963d79b6df6SOr Gerlitz 296473867881SPablo Neira Ayuso htype = act->mangle.htype; 2965d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2966d79b6df6SOr Gerlitz 296773867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 296873867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2969d79b6df6SOr Gerlitz goto out_err; 2970d79b6df6SOr Gerlitz } 2971d79b6df6SOr Gerlitz 29722cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 29732cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 29742cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 29752cc1cb1dSTonghao Zhang goto out_err; 29762cc1cb1dSTonghao Zhang } 29772cc1cb1dSTonghao Zhang 297873867881SPablo Neira Ayuso mask = act->mangle.mask; 297973867881SPablo Neira Ayuso val = act->mangle.val; 298073867881SPablo Neira Ayuso offset = act->mangle.offset; 2981d79b6df6SOr Gerlitz 29820885ae1aSAbhiram R N err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd], extack); 2983d79b6df6SOr Gerlitz if (err) 2984d79b6df6SOr Gerlitz goto out_err; 2985c500c86bSPablo Neira Ayuso 2986c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2987d79b6df6SOr Gerlitz 2988c500c86bSPablo Neira Ayuso return 0; 2989c500c86bSPablo Neira Ayuso out_err: 2990c500c86bSPablo Neira Ayuso return err; 2991c500c86bSPablo Neira Ayuso } 2992c500c86bSPablo Neira Ayuso 2993582234b4SEli Cohen static int 29941cc35b70SRoi Dayan parse_pedit_to_reformat(const struct flow_action_entry *act, 2995582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2996582234b4SEli Cohen struct netlink_ext_ack *extack) 2997582234b4SEli Cohen { 2998582234b4SEli Cohen u32 mask, val, offset; 2999582234b4SEli Cohen u32 *p; 3000582234b4SEli Cohen 30010885ae1aSAbhiram R N if (act->id != FLOW_ACTION_MANGLE) { 30020885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Unsupported action id"); 3003582234b4SEli Cohen return -EOPNOTSUPP; 30040885ae1aSAbhiram R N } 3005582234b4SEli Cohen 3006582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 3007582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 3008582234b4SEli Cohen return -EOPNOTSUPP; 3009582234b4SEli Cohen } 3010582234b4SEli Cohen 3011582234b4SEli Cohen mask = ~act->mangle.mask; 3012582234b4SEli Cohen val = act->mangle.val; 3013582234b4SEli Cohen offset = act->mangle.offset; 3014582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 3015582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 3016582234b4SEli Cohen 3017582234b4SEli Cohen return 0; 3018582234b4SEli Cohen } 3019582234b4SEli Cohen 3020582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 3021582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 3022582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3023582234b4SEli Cohen struct pedit_headers_action *hdrs, 3024582234b4SEli Cohen struct mlx5e_tc_flow *flow, 3025582234b4SEli Cohen struct netlink_ext_ack *extack) 3026582234b4SEli Cohen { 3027582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 30281cc35b70SRoi Dayan return parse_pedit_to_reformat(act, parse_attr, extack); 3029582234b4SEli Cohen 3030582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 3031582234b4SEli Cohen parse_attr, hdrs, extack); 3032582234b4SEli Cohen } 3033582234b4SEli Cohen 3034c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3035c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3036c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 303727c11b6bSEli Britstein u32 *action_flags, 3038c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3039c500c86bSPablo Neira Ayuso { 3040c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3041c500c86bSPablo Neira Ayuso int err; 3042c500c86bSPablo Neira Ayuso u8 cmd; 3043c500c86bSPablo Neira Ayuso 30446ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 30456ae4a6a5SPaul Blakey action_flags, extack); 3046d79b6df6SOr Gerlitz if (err < 0) 3047d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3048d79b6df6SOr Gerlitz 3049d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 3050c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 3051d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 3052e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3053e98bedf5SEli Britstein "attempt to offload an unsupported field"); 3054b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3055d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3056d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3057d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 3058d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3059d79b6df6SOr Gerlitz } 3060d79b6df6SOr Gerlitz } 3061d79b6df6SOr Gerlitz 3062d79b6df6SOr Gerlitz return 0; 3063d79b6df6SOr Gerlitz 3064d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30656ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3066d79b6df6SOr Gerlitz return err; 3067d79b6df6SOr Gerlitz } 3068d79b6df6SOr Gerlitz 3069e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3070e98bedf5SEli Britstein u32 action, 3071e98bedf5SEli Britstein u32 update_flags, 3072e98bedf5SEli Britstein struct netlink_ext_ack *extack) 307326c02749SOr Gerlitz { 307426c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 307526c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 307626c02749SOr Gerlitz 307726c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 307826c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3079e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3080e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 308126c02749SOr Gerlitz netdev_warn(priv->netdev, 308226c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 308326c02749SOr Gerlitz return false; 308426c02749SOr Gerlitz } 308526c02749SOr Gerlitz 308626c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3087e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3088e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 308926c02749SOr Gerlitz netdev_warn(priv->netdev, 309026c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 309126c02749SOr Gerlitz update_flags); 309226c02749SOr Gerlitz return false; 309326c02749SOr Gerlitz } 309426c02749SOr Gerlitz 309526c02749SOr Gerlitz return true; 309626c02749SOr Gerlitz } 309726c02749SOr Gerlitz 30988998576bSDmytro Linkin struct ip_ttl_word { 30998998576bSDmytro Linkin __u8 ttl; 31008998576bSDmytro Linkin __u8 protocol; 31018998576bSDmytro Linkin __sum16 check; 31028998576bSDmytro Linkin }; 31038998576bSDmytro Linkin 31048998576bSDmytro Linkin struct ipv6_hoplimit_word { 31058998576bSDmytro Linkin __be16 payload_len; 31068998576bSDmytro Linkin __u8 nexthdr; 31078998576bSDmytro Linkin __u8 hop_limit; 31088998576bSDmytro Linkin }; 31098998576bSDmytro Linkin 31101836d780SRoi Dayan static bool 31111836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 31121836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 31134c3844d9SPaul Blakey struct netlink_ext_ack *extack) 31148998576bSDmytro Linkin { 31158998576bSDmytro Linkin u32 mask, offset; 31168998576bSDmytro Linkin u8 htype; 31178998576bSDmytro Linkin 31188998576bSDmytro Linkin htype = act->mangle.htype; 31198998576bSDmytro Linkin offset = act->mangle.offset; 31208998576bSDmytro Linkin mask = ~act->mangle.mask; 31218998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 31228998576bSDmytro Linkin * to determine that modified fields 31238998576bSDmytro Linkin * are NOT ttl & hop_limit only. 31248998576bSDmytro Linkin */ 31258998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 31268998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 31278998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 31288998576bSDmytro Linkin 31298998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 31308998576bSDmytro Linkin ttl_word->protocol || 31318998576bSDmytro Linkin ttl_word->check) { 31324c3844d9SPaul Blakey *modify_ip_header = true; 31334c3844d9SPaul Blakey } 31344c3844d9SPaul Blakey 31357e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 31367e36feebSPaul Blakey *modify_tuple = true; 31377e36feebSPaul Blakey 31387e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31394c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31404c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 31411836d780SRoi Dayan return false; 31428998576bSDmytro Linkin } 31438998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 31448998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 31458998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 31468998576bSDmytro Linkin 31478998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 31488998576bSDmytro Linkin hoplimit_word->payload_len || 31498998576bSDmytro Linkin hoplimit_word->nexthdr) { 31504c3844d9SPaul Blakey *modify_ip_header = true; 31518998576bSDmytro Linkin } 31524c3844d9SPaul Blakey 31537e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 31547e36feebSPaul Blakey *modify_tuple = true; 31557e36feebSPaul Blakey 31567e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31574c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31584c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31591836d780SRoi Dayan return false; 31608998576bSDmytro Linkin } 31617e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31627e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31637e36feebSPaul Blakey *modify_tuple = true; 31647e36feebSPaul Blakey if (ct_flow) { 31654c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31664c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31671836d780SRoi Dayan return false; 31684c3844d9SPaul Blakey } 31697e36feebSPaul Blakey } 31704c3844d9SPaul Blakey 31711836d780SRoi Dayan return true; 31728998576bSDmytro Linkin } 31738998576bSDmytro Linkin 317496b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 317596b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 317696b5b458SDima Chumak struct mlx5e_priv *priv, 317796b5b458SDima Chumak struct mlx5_flow_spec *spec) 317896b5b458SDima Chumak { 317996b5b458SDima Chumak if (!modify_tuple || ct_clear) 318096b5b458SDima Chumak return true; 318196b5b458SDima Chumak 318296b5b458SDima Chumak if (ct_flow) { 318396b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 318496b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 318596b5b458SDima Chumak netdev_info(priv->netdev, 318696b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 318796b5b458SDima Chumak return false; 318896b5b458SDima Chumak } 318996b5b458SDima Chumak 319096b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 319196b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 319296b5b458SDima Chumak * we can't restore ct state 319396b5b458SDima Chumak */ 319496b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 319596b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 319696b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 319796b5b458SDima Chumak netdev_info(priv->netdev, 319896b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 319996b5b458SDima Chumak return false; 320096b5b458SDima Chumak } 320196b5b458SDima Chumak 320296b5b458SDima Chumak return true; 320396b5b458SDima Chumak } 320496b5b458SDima Chumak 32053d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 32063d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 320773867881SPablo Neira Ayuso struct flow_action *flow_action, 32084c3844d9SPaul Blakey u32 actions, bool ct_flow, 32097e36feebSPaul Blakey bool ct_clear, 3210e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3211bdd66ac0SOr Gerlitz { 321273867881SPablo Neira Ayuso const struct flow_action_entry *act; 32137e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3214fca53304SEli Britstein void *headers_c; 3215bdd66ac0SOr Gerlitz void *headers_v; 3216bdd66ac0SOr Gerlitz u16 ethertype; 32178998576bSDmytro Linkin u8 ip_proto; 32181836d780SRoi Dayan int i; 3219bdd66ac0SOr Gerlitz 3220fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 32218377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3222bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3223bdd66ac0SOr Gerlitz 3224bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3225fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3226fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3227bdd66ac0SOr Gerlitz goto out_ok; 3228bdd66ac0SOr Gerlitz 3229bdd66ac0SOr Gerlitz modify_ip_header = false; 32307e36feebSPaul Blakey modify_tuple = false; 323173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 323273867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 323373867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3234bdd66ac0SOr Gerlitz continue; 3235bdd66ac0SOr Gerlitz 32361836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 32377e36feebSPaul Blakey &modify_ip_header, 32381836d780SRoi Dayan &modify_tuple, extack)) 32391836d780SRoi Dayan return false; 3240bdd66ac0SOr Gerlitz } 3241bdd66ac0SOr Gerlitz 324296b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 324396b5b458SDima Chumak priv, spec)) 32447e36feebSPaul Blakey return false; 32457e36feebSPaul Blakey 3246bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 32471ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 32481ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3249e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3250e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 32513d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 32523d486ec4SOz Shlomo ip_proto); 3253bdd66ac0SOr Gerlitz return false; 3254bdd66ac0SOr Gerlitz } 3255bdd66ac0SOr Gerlitz 3256bdd66ac0SOr Gerlitz out_ok: 3257bdd66ac0SOr Gerlitz return true; 3258bdd66ac0SOr Gerlitz } 3259bdd66ac0SOr Gerlitz 32609c1d3511SRoi Dayan static bool 32619c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 32629c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 32639c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 32649c1d3511SRoi Dayan struct netlink_ext_ack *extack) 32659c1d3511SRoi Dayan { 3266d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 32679c1d3511SRoi Dayan bool ct_flow, ct_clear; 32689c1d3511SRoi Dayan 32699c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 32709c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 32719c1d3511SRoi Dayan 3272d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3273d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 32749c1d3511SRoi Dayan /* All registers used by ct are cleared when using 32759c1d3511SRoi Dayan * split rules. 32769c1d3511SRoi Dayan */ 32779c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 32789c1d3511SRoi Dayan return false; 32799c1d3511SRoi Dayan } 32809c1d3511SRoi Dayan 3281d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3282d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3283d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3284d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3285d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3286d4f401d9SRoi Dayan return false; 3287d4f401d9SRoi Dayan } 3288d4f401d9SRoi Dayan 32899c1d3511SRoi Dayan return true; 32909c1d3511SRoi Dayan } 32919c1d3511SRoi Dayan 32929c1d3511SRoi Dayan static bool 32939c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 329473867881SPablo Neira Ayuso struct flow_action *flow_action, 3295bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3296e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3297e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3298bdd66ac0SOr Gerlitz { 32999c1d3511SRoi Dayan u32 actions = flow->attr->action; 33009c1d3511SRoi Dayan bool ct_flow, ct_clear; 3301bdd66ac0SOr Gerlitz 33029c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3303a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3304c620b772SAriel Levkovich 33056b50cf45SRoi Dayan if (!(actions & 33066b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 33076b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 33086b50cf45SRoi Dayan return false; 33096b50cf45SRoi Dayan } 33106b50cf45SRoi Dayan 33119c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 33129c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 33139c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 331449397b80SDan Carpenter return false; 3315bdd66ac0SOr Gerlitz 33169c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 33179c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 33189c1d3511SRoi Dayan return false; 3319bdd66ac0SOr Gerlitz 3320bdd66ac0SOr Gerlitz return true; 3321bdd66ac0SOr Gerlitz } 3322bdd66ac0SOr Gerlitz 332332134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 332432134847SMaor Dickman { 332532134847SMaor Dickman return priv->mdev == peer_priv->mdev; 332632134847SMaor Dickman } 332732134847SMaor Dickman 33285c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 33295c65c564SOr Gerlitz { 33305c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3331816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 33325c65c564SOr Gerlitz 33335c65c564SOr Gerlitz fmdev = priv->mdev; 33345c65c564SOr Gerlitz pmdev = peer_priv->mdev; 33355c65c564SOr Gerlitz 333659c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 333759c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 33385c65c564SOr Gerlitz 3339816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 33405c65c564SOr Gerlitz } 33415c65c564SOr Gerlitz 3342bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3343bb569657SAriel Levkovich struct net_device *out_dev) 3344bb569657SAriel Levkovich { 3345bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3346bb569657SAriel Levkovich priv->netdev == out_dev; 3347bb569657SAriel Levkovich } 3348bb569657SAriel Levkovich 3349bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3350bdc837eeSEli Britstein const struct flow_action_entry *act, 3351bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3352bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3353bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3354bdc837eeSEli Britstein { 3355bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3356bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3357bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3358bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3359bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3360bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3361bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3362bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3363bdc837eeSEli Britstein }; 33646fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3365bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3366bdc837eeSEli Britstein int err; 3367bdc837eeSEli Britstein 3368bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3369bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3370bf2f3bcaSEli Britstein 3371bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3372bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3373bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3374bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3375bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3376bf2f3bcaSEli Britstein } 3377bf2f3bcaSEli Britstein 33786fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 33796fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 33806fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 33816fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 33826fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3383bdc837eeSEli Britstein return -EOPNOTSUPP; 3384bdc837eeSEli Britstein } 3385bdc837eeSEli Britstein 3386582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3387bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3388bdc837eeSEli Britstein 3389bdc837eeSEli Britstein return err; 3390bdc837eeSEli Britstein } 3391bdc837eeSEli Britstein 33920bac1194SEli Britstein static int 33930bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 33940bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 33950bac1194SEli Britstein struct pedit_headers_action *hdrs, 33960bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 33970bac1194SEli Britstein { 33980bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 33990bac1194SEli Britstein .vlan.vid = 0, 34000bac1194SEli Britstein .vlan.prio = 34010bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 34020bac1194SEli Britstein get_match_headers_value(*action, 34030bac1194SEli Britstein &parse_attr->spec), 34040bac1194SEli Britstein first_prio) & 34050bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 34060bac1194SEli Britstein get_match_headers_criteria(*action, 34070bac1194SEli Britstein &parse_attr->spec), 34080bac1194SEli Britstein first_prio), 34090bac1194SEli Britstein }; 34100bac1194SEli Britstein 34110bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 34120bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 34130bac1194SEli Britstein extack); 34140bac1194SEli Britstein } 34150bac1194SEli Britstein 3416c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3417c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3418c7569097SAriel Levkovich const struct flow_action_entry *act, 3419c7569097SAriel Levkovich u32 actions, 3420c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3421c7569097SAriel Levkovich { 3422c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3423c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3424c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3425c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3426c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3427c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3428c7569097SAriel Levkovich u32 reformat_and_fwd; 3429c7569097SAriel Levkovich u32 max_chain; 3430c7569097SAriel Levkovich 3431c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3432c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3433c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3434c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3435c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3436c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3437c7569097SAriel Levkovich 3438c7569097SAriel Levkovich if (ft_flow) { 3439c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3440c7569097SAriel Levkovich return -EOPNOTSUPP; 3441c7569097SAriel Levkovich } 3442c7569097SAriel Levkovich 3443c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3444c7569097SAriel Levkovich dest_chain <= attr->chain) { 3445c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3446c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3447c7569097SAriel Levkovich return -EOPNOTSUPP; 3448c7569097SAriel Levkovich } 3449c7569097SAriel Levkovich 3450c7569097SAriel Levkovich if (dest_chain > max_chain) { 3451c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3452c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3453c7569097SAriel Levkovich return -EOPNOTSUPP; 3454c7569097SAriel Levkovich } 3455c7569097SAriel Levkovich 3456c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3457c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3458c7569097SAriel Levkovich !reformat_and_fwd) { 3459c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3460c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3461c7569097SAriel Levkovich return -EOPNOTSUPP; 3462c7569097SAriel Levkovich } 3463c7569097SAriel Levkovich 3464c7569097SAriel Levkovich return 0; 3465c7569097SAriel Levkovich } 3466c7569097SAriel Levkovich 3467d9581e2fSRoi Dayan static int 3468d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3469d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3470d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3471d9581e2fSRoi Dayan struct pedit_headers_action *hdrs, 3472d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3473d9581e2fSRoi Dayan { 3474d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 3475d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3476d9581e2fSRoi Dayan int err; 3477d9581e2fSRoi Dayan 3478d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3479d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3480d9581e2fSRoi Dayan return 0; 3481d9581e2fSRoi Dayan 3482d9581e2fSRoi Dayan ns_type = get_flow_name_space(flow); 3483d9581e2fSRoi Dayan 3484d9581e2fSRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, hdrs, 3485d9581e2fSRoi Dayan &attr->action, extack); 3486d9581e2fSRoi Dayan if (err) 3487d9581e2fSRoi Dayan return err; 3488d9581e2fSRoi Dayan 3489d9581e2fSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3490d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3491d9581e2fSRoi Dayan return 0; 3492d9581e2fSRoi Dayan 3493d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3494d9581e2fSRoi Dayan dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3495d9581e2fSRoi Dayan 3496d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3497d9581e2fSRoi Dayan return 0; 3498d9581e2fSRoi Dayan 3499d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3500d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3501d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3502d9581e2fSRoi Dayan 3503d9581e2fSRoi Dayan return 0; 3504d9581e2fSRoi Dayan } 3505d9581e2fSRoi Dayan 3506d9581e2fSRoi Dayan static int 3507d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 350873867881SPablo Neira Ayuso struct flow_action *flow_action, 3509e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3510e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3511e3a2b7edSAmir Vadai { 3512c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3513c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 351473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 351573867881SPablo Neira Ayuso const struct flow_action_entry *act; 3516c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 35171cab1cd7SOr Gerlitz u32 action = 0; 3518244cd96aSCong Wang int err, i; 3519e3a2b7edSAmir Vadai 35200885ae1aSAbhiram R N if (!flow_action_has_entries(flow_action)) { 35210885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3522e3a2b7edSAmir Vadai return -EINVAL; 35230885ae1aSAbhiram R N } 3524e3a2b7edSAmir Vadai 352553eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 35260885ae1aSAbhiram R N FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 35270885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3528319a1d19SJiri Pirko return -EOPNOTSUPP; 35290885ae1aSAbhiram R N } 3530319a1d19SJiri Pirko 3531c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3532c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3533c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3534e3a2b7edSAmir Vadai 353573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 353673867881SPablo Neira Ayuso switch (act->id) { 353715fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 353815fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 353915fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 354015fc92ecSTonghao Zhang break; 354173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 3542950b4df9SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 3543950b4df9SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 354473867881SPablo Neira Ayuso break; 354573867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 354673867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 354773867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3548582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 35492f4fe4caSOr Gerlitz if (err) 35502f4fe4caSOr Gerlitz return err; 35512f4fe4caSOr Gerlitz 3552c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 355373867881SPablo Neira Ayuso break; 3554bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3555bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3556bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3557bdc837eeSEli Britstein act, parse_attr, hdrs, 3558bdc837eeSEli Britstein &action, extack); 3559bdc837eeSEli Britstein if (err) 3560bdc837eeSEli Britstein return err; 3561bdc837eeSEli Britstein 3562bdc837eeSEli Britstein break; 356373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 35641cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 356573867881SPablo Neira Ayuso act->csum_flags, 3566e98bedf5SEli Britstein extack)) 356773867881SPablo Neira Ayuso break; 356826c02749SOr Gerlitz 356926c02749SOr Gerlitz return -EOPNOTSUPP; 357073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 357173867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 35725c65c564SOr Gerlitz 35735c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 35745c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 357598b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3576226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 35771cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 35785c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 35795c65c564SOr Gerlitz } else { 3580e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3581e98bedf5SEli Britstein "device is not on same HW, can't offload"); 35825c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 35835c65c564SOr Gerlitz peer_dev->name); 358425f150f4SRoi Dayan return -EOPNOTSUPP; 35855c65c564SOr Gerlitz } 35865c65c564SOr Gerlitz } 358773867881SPablo Neira Ayuso break; 358873867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 358973867881SPablo Neira Ayuso u32 mark = act->mark; 3590e3a2b7edSAmir Vadai 3591e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3592e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3593e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 359425f150f4SRoi Dayan return -EOPNOTSUPP; 3595e3a2b7edSAmir Vadai } 3596e3a2b7edSAmir Vadai 3597c620b772SAriel Levkovich nic_attr->flow_tag = mark; 35981cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3599e3a2b7edSAmir Vadai } 360073867881SPablo Neira Ayuso break; 3601c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3602c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3603c7569097SAriel Levkovich extack); 3604c7569097SAriel Levkovich if (err) 3605c7569097SAriel Levkovich return err; 3606c7569097SAriel Levkovich 36077f8770c7SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 36087f8770c7SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 3609c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3610c7569097SAriel Levkovich break; 3611aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3612806401c2SRoi Dayan err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, 3613806401c2SRoi Dayan &parse_attr->mod_hdr_acts, 3614806401c2SRoi Dayan act, extack); 3615aedd133dSAriel Levkovich if (err) 3616aedd133dSAriel Levkovich return err; 3617aedd133dSAriel Levkovich 3618aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3619aedd133dSAriel Levkovich break; 362073867881SPablo Neira Ayuso default: 36210885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 36220885ae1aSAbhiram R N "The offload action is not supported in NIC action"); 36232cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3624e3a2b7edSAmir Vadai } 362573867881SPablo Neira Ayuso } 3626e3a2b7edSAmir Vadai 36271cab1cd7SOr Gerlitz attr->action = action; 3628c7569097SAriel Levkovich 36297f8770c7SRoi Dayan if (attr->dest_chain && parse_attr->mirred_ifindex[0]) { 3630c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3631c7569097SAriel Levkovich return -EOPNOTSUPP; 3632c7569097SAriel Levkovich } 3633c7569097SAriel Levkovich 3634d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3635d9581e2fSRoi Dayan if (err) 3636d9581e2fSRoi Dayan return err; 3637d9581e2fSRoi Dayan 363873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3639bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3640bdd66ac0SOr Gerlitz 3641e3a2b7edSAmir Vadai return 0; 3642e3a2b7edSAmir Vadai } 3643e3a2b7edSAmir Vadai 364432134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3645b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3646b1d90e6bSRabie Loulou { 3647b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3648b1d90e6bSRabie Loulou 3649b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3650b1d90e6bSRabie Loulou 3651b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 365232134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 365332134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 365468931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3655b1d90e6bSRabie Loulou } 3656b1d90e6bSRabie Loulou 36571482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 365873867881SPablo Neira Ayuso const struct flow_action_entry *act, 36591482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 36600885ae1aSAbhiram R N u32 *action, 36610885ae1aSAbhiram R N struct netlink_ext_ack *extack) 36621482bd3dSJianbo Liu { 3663cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3664cc495188SJianbo Liu 36650885ae1aSAbhiram R N if (vlan_idx >= MLX5_FS_VLAN_DEPTH) { 36660885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Total vlans used is greater than supported"); 36671482bd3dSJianbo Liu return -EOPNOTSUPP; 36680885ae1aSAbhiram R N } 3669cc495188SJianbo Liu 367073867881SPablo Neira Ayuso switch (act->id) { 367173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3672cc495188SJianbo Liu if (vlan_idx) { 3673cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 36740885ae1aSAbhiram R N MLX5_FS_VLAN_DEPTH)) { 36750885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 36760885ae1aSAbhiram R N "vlan pop action is not supported"); 3677cc495188SJianbo Liu return -EOPNOTSUPP; 36780885ae1aSAbhiram R N } 3679cc495188SJianbo Liu 3680cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3681cc495188SJianbo Liu } else { 3682cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3683cc495188SJianbo Liu } 368473867881SPablo Neira Ayuso break; 368573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 368673867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 368773867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 368873867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3689cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3690cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3691cc495188SJianbo Liu 3692cc495188SJianbo Liu if (vlan_idx) { 3693cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 36940885ae1aSAbhiram R N MLX5_FS_VLAN_DEPTH)) { 36950885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 36960885ae1aSAbhiram R N "vlan push action is not supported for vlan depth > 1"); 3697cc495188SJianbo Liu return -EOPNOTSUPP; 36980885ae1aSAbhiram R N } 3699cc495188SJianbo Liu 3700cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3701cc495188SJianbo Liu } else { 3702cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 370373867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 37040885ae1aSAbhiram R N act->vlan.prio)) { 37050885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 37060885ae1aSAbhiram R N "vlan push action is not supported"); 3707cc495188SJianbo Liu return -EOPNOTSUPP; 37080885ae1aSAbhiram R N } 3709cc495188SJianbo Liu 3710cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 37111482bd3dSJianbo Liu } 371273867881SPablo Neira Ayuso break; 371373867881SPablo Neira Ayuso default: 37140885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Unexpected action id for VLAN"); 3715bdc837eeSEli Britstein return -EINVAL; 37161482bd3dSJianbo Liu } 37171482bd3dSJianbo Liu 3718cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3719cc495188SJianbo Liu 37201482bd3dSJianbo Liu return 0; 37211482bd3dSJianbo Liu } 37221482bd3dSJianbo Liu 3723d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3724d34eb2fcSOr Gerlitz struct net_device *out_dev) 3725d34eb2fcSOr Gerlitz { 3726d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3727d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3728d34eb2fcSOr Gerlitz 3729d34eb2fcSOr Gerlitz rcu_read_lock(); 3730d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3731d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3732d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3733d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3734d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3735d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3736d34eb2fcSOr Gerlitz if (fdb_out_dev && 3737d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3738d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3739d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3740d34eb2fcSOr Gerlitz } 3741d34eb2fcSOr Gerlitz rcu_read_unlock(); 3742d34eb2fcSOr Gerlitz return fdb_out_dev; 3743d34eb2fcSOr Gerlitz } 3744d34eb2fcSOr Gerlitz 3745278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3746c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3747278748a9SEli Britstein struct net_device **out_dev, 37480885ae1aSAbhiram R N u32 *action, 37490885ae1aSAbhiram R N struct netlink_ext_ack *extack) 3750278748a9SEli Britstein { 3751278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3752278748a9SEli Britstein struct flow_action_entry vlan_act = { 3753278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3754278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3755278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3756278748a9SEli Britstein .vlan.prio = 0, 3757278748a9SEli Britstein }; 3758278748a9SEli Britstein int err; 3759278748a9SEli Britstein 37600885ae1aSAbhiram R N err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action, extack); 3761278748a9SEli Britstein if (err) 3762278748a9SEli Britstein return err; 3763278748a9SEli Britstein 3764dca59f4aSDima Chumak rcu_read_lock(); 3765dca59f4aSDima Chumak *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev)); 3766dca59f4aSDima Chumak rcu_read_unlock(); 3767dca59f4aSDima Chumak if (!*out_dev) 3768dca59f4aSDima Chumak return -ENODEV; 3769dca59f4aSDima Chumak 3770278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 37710885ae1aSAbhiram R N err = add_vlan_push_action(priv, attr, out_dev, action, extack); 3772278748a9SEli Britstein 3773278748a9SEli Britstein return err; 3774278748a9SEli Britstein } 3775278748a9SEli Britstein 377635a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3777c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 37780885ae1aSAbhiram R N u32 *action, 37790885ae1aSAbhiram R N struct netlink_ext_ack *extack) 378035a605dbSEli Britstein { 378135a605dbSEli Britstein struct flow_action_entry vlan_act = { 378235a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 378335a605dbSEli Britstein }; 378470f478caSDmytro Linkin int nest_level, err = 0; 378535a605dbSEli Britstein 378670f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 378770f478caSDmytro Linkin priv->netdev->lower_level; 378835a605dbSEli Britstein while (nest_level--) { 37890885ae1aSAbhiram R N err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action, extack); 379035a605dbSEli Britstein if (err) 379135a605dbSEli Britstein return err; 379235a605dbSEli Britstein } 379335a605dbSEli Britstein 379435a605dbSEli Britstein return err; 379535a605dbSEli Britstein } 379635a605dbSEli Britstein 379732134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 379832134847SMaor Dickman struct net_device *peer_netdev) 379932134847SMaor Dickman { 380032134847SMaor Dickman struct mlx5e_priv *peer_priv; 380132134847SMaor Dickman 380232134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 380332134847SMaor Dickman 380432134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 380532134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 380632134847SMaor Dickman same_hw_devs(priv, peer_priv); 380732134847SMaor Dickman } 380832134847SMaor Dickman 380932134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 381032134847SMaor Dickman struct net_device *peer_netdev) 381132134847SMaor Dickman { 381232134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 381332134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 381432134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 381532134847SMaor Dickman } 381632134847SMaor Dickman 3817f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3818f6dc1264SPaul Blakey struct net_device *out_dev) 3819f6dc1264SPaul Blakey { 382032134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 382132134847SMaor Dickman return true; 382232134847SMaor Dickman 382332134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3824f6dc1264SPaul Blakey return true; 3825f6dc1264SPaul Blakey 3826f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 382732134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3828f6dc1264SPaul Blakey } 3829f6dc1264SPaul Blakey 3830554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3831554fe75cSDmytro Linkin struct net_device *out_dev, 3832554fe75cSDmytro Linkin int *ifindexes, int if_count, 3833554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3834554fe75cSDmytro Linkin { 3835554fe75cSDmytro Linkin int i; 3836554fe75cSDmytro Linkin 3837554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3838554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3839554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3840554fe75cSDmytro Linkin "can't duplicate output to same device"); 3841554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3842554fe75cSDmytro Linkin out_dev->name); 3843554fe75cSDmytro Linkin return true; 3844554fe75cSDmytro Linkin } 3845554fe75cSDmytro Linkin } 3846554fe75cSDmytro Linkin 3847554fe75cSDmytro Linkin return false; 3848554fe75cSDmytro Linkin } 3849554fe75cSDmytro Linkin 3850613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3851613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3852613f53feSEli Cohen struct net_device *out_dev, 3853613f53feSEli Cohen struct netlink_ext_ack *extack) 3854613f53feSEli Cohen { 3855c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3856613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3857613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3858613f53feSEli Cohen 3859613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3860613f53feSEli Cohen * uplink ports is allowed only if 3861613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3862613f53feSEli Cohen * 3863c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3864613f53feSEli Cohen * In LAG case, *priv* is the private data of 3865613f53feSEli Cohen * uplink which may be not the input vport. 3866613f53feSEli Cohen */ 3867613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3868613f53feSEli Cohen 3869613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3870613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3871613f53feSEli Cohen return 0; 3872613f53feSEli Cohen 3873613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3874613f53feSEli Cohen termination_table_raw_traffic)) { 3875613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3876613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3877613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3878613f53feSEli Cohen priv->netdev->name, out_dev->name); 3879613f53feSEli Cohen return -EOPNOTSUPP; 3880613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3881613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3882613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3883613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3884613f53feSEli Cohen priv->netdev->name, out_dev->name); 3885613f53feSEli Cohen return -EOPNOTSUPP; 3886613f53feSEli Cohen } 3887613f53feSEli Cohen return 0; 3888613f53feSEli Cohen } 3889613f53feSEli Cohen 389027484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 389127484f71SAriel Levkovich struct mlx5_flow_attr *attr, 389227484f71SAriel Levkovich int ifindex, 389327484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 389427484f71SAriel Levkovich u32 *action, 389527484f71SAriel Levkovich int out_index) 389627484f71SAriel Levkovich { 389727484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 389827484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 389927484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 390027484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 390127484f71SAriel Levkovich int err; 390227484f71SAriel Levkovich 390327484f71SAriel Levkovich parse_attr = attr->parse_attr; 390427484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 390527484f71SAriel Levkovich 390627484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 390727484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 390827484f71SAriel Levkovich return PTR_ERR(dest_int_port); 390927484f71SAriel Levkovich 391027484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 391127484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 391227484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 391327484f71SAriel Levkovich if (err) { 391427484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 391527484f71SAriel Levkovich return err; 391627484f71SAriel Levkovich } 391727484f71SAriel Levkovich 391827484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 391927484f71SAriel Levkovich 392027484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 392127484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 392227484f71SAriel Levkovich 392327484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 392427484f71SAriel Levkovich attr->dest_chain = 0; 392527484f71SAriel Levkovich 392627484f71SAriel Levkovich return 0; 392727484f71SAriel Levkovich } 392827484f71SAriel Levkovich 392973867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 393073867881SPablo Neira Ayuso struct flow_action *flow_action, 3931e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 393270f8019eSRoi Dayan struct netlink_ext_ack *extack) 3933a54e20b4SHadar Hen Zion { 393473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3935bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3936c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 39371d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 3938bcd6740cSChris Mi struct mlx5e_sample_attr sample_attr = {}; 393973867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3940c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3941554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 394284179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 394373867881SPablo Neira Ayuso const struct flow_action_entry *act; 3944c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 39450a7fcb78SPaul Blakey bool encap = false, decap = false; 39460a7fcb78SPaul Blakey u32 action = attr->action; 3947554fe75cSDmytro Linkin int err, i, if_count = 0; 394827484f71SAriel Levkovich bool ptype_host = false; 3949f828ca6aSEli Cohen bool mpls_push = false; 395003a9d11eSOr Gerlitz 39510885ae1aSAbhiram R N if (!flow_action_has_entries(flow_action)) { 39520885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 395303a9d11eSOr Gerlitz return -EINVAL; 39540885ae1aSAbhiram R N } 395503a9d11eSOr Gerlitz 395653eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 39570885ae1aSAbhiram R N FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 39580885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3959319a1d19SJiri Pirko return -EOPNOTSUPP; 39600885ae1aSAbhiram R N } 3961319a1d19SJiri Pirko 3962c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3963c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3964c620b772SAriel Levkovich 396573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 396673867881SPablo Neira Ayuso switch (act->id) { 39676ba2e2b3SVlad Buslov case FLOW_ACTION_ACCEPT: 39686ba2e2b3SVlad Buslov action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 39696ba2e2b3SVlad Buslov MLX5_FLOW_CONTEXT_ACTION_COUNT; 39706ba2e2b3SVlad Buslov attr->flags |= MLX5_ESW_ATTR_FLAG_ACCEPT; 39716ba2e2b3SVlad Buslov break; 3972dbac71f2SAriel Levkovich case FLOW_ACTION_PTYPE: 3973dbac71f2SAriel Levkovich if (act->ptype != PACKET_HOST) { 3974dbac71f2SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3975dbac71f2SAriel Levkovich "skbedit ptype is only supported with type host"); 3976dbac71f2SAriel Levkovich return -EOPNOTSUPP; 3977dbac71f2SAriel Levkovich } 397827484f71SAriel Levkovich 397927484f71SAriel Levkovich ptype_host = true; 3980dbac71f2SAriel Levkovich break; 398173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 39821cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 398303a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 398473867881SPablo Neira Ayuso break; 3985f0288210SEli Cohen case FLOW_ACTION_TRAP: 3986f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3987f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 3988f0288210SEli Cohen "action trap is supported as a sole action only"); 3989f0288210SEli Cohen return -EOPNOTSUPP; 3990f0288210SEli Cohen } 3991f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3992f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 3993f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 3994f0288210SEli Cohen break; 3995f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3996f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3997f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3998f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3999f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4000f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 4001f828ca6aSEli Cohen return -EOPNOTSUPP; 4002f828ca6aSEli Cohen } 4003f828ca6aSEli Cohen mpls_push = true; 4004f828ca6aSEli Cohen break; 400514e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 400614e6b038SEli Cohen /* we only support mpls pop if it is the first action 400714e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 400814e6b038SEli Cohen * actions can be pedit and the last can be mirred 400914e6b038SEli Cohen * egress redirect. 401014e6b038SEli Cohen */ 401114e6b038SEli Cohen if (i) { 401214e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 401314e6b038SEli Cohen "mpls pop supported only as first action"); 401414e6b038SEli Cohen return -EOPNOTSUPP; 401514e6b038SEli Cohen } 401670f8019eSRoi Dayan if (!netif_is_bareudp(parse_attr->filter_dev)) { 401714e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 401814e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 401914e6b038SEli Cohen return -EOPNOTSUPP; 402014e6b038SEli Cohen } 402114e6b038SEli Cohen 402214e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 402314e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 402414e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 402514e6b038SEli Cohen break; 402673867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 402773867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 402873867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 4029582234b4SEli Cohen parse_attr, hdrs, flow, extack); 4030d7e75a32SOr Gerlitz if (err) 4031d7e75a32SOr Gerlitz return err; 4032d7e75a32SOr Gerlitz 4033582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 40341cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 4035c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4036582234b4SEli Cohen } 403773867881SPablo Neira Ayuso break; 403873867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 40391cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 404073867881SPablo Neira Ayuso act->csum_flags, extack)) 404173867881SPablo Neira Ayuso break; 404226c02749SOr Gerlitz 404326c02749SOr Gerlitz return -EOPNOTSUPP; 404427484f71SAriel Levkovich case FLOW_ACTION_REDIRECT_INGRESS: { 404527484f71SAriel Levkovich struct net_device *out_dev; 404627484f71SAriel Levkovich 404727484f71SAriel Levkovich out_dev = act->dev; 404827484f71SAriel Levkovich if (!out_dev) 404927484f71SAriel Levkovich return -EOPNOTSUPP; 405027484f71SAriel Levkovich 405127484f71SAriel Levkovich if (!netif_is_ovs_master(out_dev)) { 405227484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 405327484f71SAriel Levkovich "redirect to ingress is supported only for OVS internal ports"); 405427484f71SAriel Levkovich return -EOPNOTSUPP; 405527484f71SAriel Levkovich } 405627484f71SAriel Levkovich 405727484f71SAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 405827484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 405927484f71SAriel Levkovich "redirect to ingress is not supported from internal port"); 406027484f71SAriel Levkovich return -EOPNOTSUPP; 406127484f71SAriel Levkovich } 406227484f71SAriel Levkovich 406327484f71SAriel Levkovich if (!ptype_host) { 406427484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 406527484f71SAriel Levkovich "redirect to int port ingress requires ptype=host action"); 406627484f71SAriel Levkovich return -EOPNOTSUPP; 406727484f71SAriel Levkovich } 406827484f71SAriel Levkovich 406927484f71SAriel Levkovich if (esw_attr->out_count) { 407027484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 407127484f71SAriel Levkovich "redirect to int port ingress is supported only as single destination"); 407227484f71SAriel Levkovich return -EOPNOTSUPP; 407327484f71SAriel Levkovich } 407427484f71SAriel Levkovich 407527484f71SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 407627484f71SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_COUNT; 407727484f71SAriel Levkovich 407827484f71SAriel Levkovich err = mlx5e_set_fwd_to_int_port_actions(priv, attr, out_dev->ifindex, 407927484f71SAriel Levkovich MLX5E_TC_INT_PORT_INGRESS, 408027484f71SAriel Levkovich &action, esw_attr->out_count); 408127484f71SAriel Levkovich if (err) 408227484f71SAriel Levkovich return err; 408327484f71SAriel Levkovich 408427484f71SAriel Levkovich esw_attr->out_count++; 408527484f71SAriel Levkovich 408627484f71SAriel Levkovich break; 408727484f71SAriel Levkovich } 408873867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 408973867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 409003a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 4091592d3651SChris Mi struct net_device *out_dev; 409203a9d11eSOr Gerlitz 409373867881SPablo Neira Ayuso out_dev = act->dev; 4094ef381359SOz Shlomo if (!out_dev) { 4095ef381359SOz Shlomo /* out_dev is NULL when filters with 4096ef381359SOz Shlomo * non-existing mirred device are replayed to 4097ef381359SOz Shlomo * the driver. 4098ef381359SOz Shlomo */ 4099ef381359SOz Shlomo return -EINVAL; 4100ef381359SOz Shlomo } 410103a9d11eSOr Gerlitz 4102f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4103f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4104f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4105f828ca6aSEli Cohen return -EOPNOTSUPP; 4106f828ca6aSEli Cohen } 4107f828ca6aSEli Cohen 410884179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 410984179981SPaul Blakey /* Ignore forward to self rules generated 411084179981SPaul Blakey * by adding both mlx5 devs to the flow table 411184179981SPaul Blakey * block on a normal nft offload setup. 411284179981SPaul Blakey */ 411384179981SPaul Blakey return -EOPNOTSUPP; 411484179981SPaul Blakey } 411584179981SPaul Blakey 4116c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4117e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4118e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 41194ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41204ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4121c620b772SAriel Levkovich esw_attr->out_count); 4122592d3651SChris Mi return -EOPNOTSUPP; 4123592d3651SChris Mi } 4124592d3651SChris Mi 4125f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4126f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4127b6a4ac24SVlad Buslov if (encap) { 4128c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 4129b6a4ac24SVlad Buslov out_dev->ifindex; 41300d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 41310d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 4132c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 4133b6a4ac24SVlad Buslov return -ENOMEM; 4134b6a4ac24SVlad Buslov encap = false; 4135c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 4136b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4137c620b772SAriel Levkovich esw_attr->out_count++; 4138b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4139b6a4ac24SVlad Buslov * handle encap 4140b6a4ac24SVlad Buslov */ 4141b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 41427ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 41437ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 41447ba58ba7SRabie Loulou 4145554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4146554fe75cSDmytro Linkin out_dev, 4147554fe75cSDmytro Linkin ifindexes, 4148554fe75cSDmytro Linkin if_count, 4149554fe75cSDmytro Linkin extack)) 4150554fe75cSDmytro Linkin return -EOPNOTSUPP; 4151554fe75cSDmytro Linkin 4152554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4153554fe75cSDmytro Linkin if_count++; 4154554fe75cSDmytro Linkin 4155d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4156d34eb2fcSOr Gerlitz if (!out_dev) 4157d34eb2fcSOr Gerlitz return -ENODEV; 41587ba58ba7SRabie Loulou 4159278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4160278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4161278748a9SEli Britstein &out_dev, 41620885ae1aSAbhiram R N &action, extack); 4163278748a9SEli Britstein if (err) 4164278748a9SEli Britstein return err; 4165278748a9SEli Britstein } 4166f6dc1264SPaul Blakey 416735a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 416835a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 41690885ae1aSAbhiram R N &action, extack); 417035a605dbSEli Britstein if (err) 417135a605dbSEli Britstein return err; 417235a605dbSEli Britstein } 4173278748a9SEli Britstein 4174fca572f2SDima Chumak if (netif_is_macvlan(out_dev)) 4175fca572f2SDima Chumak out_dev = macvlan_dev_real_dev(out_dev); 4176fca572f2SDima Chumak 4177613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4178613f53feSEli Cohen if (err) 4179613f53feSEli Cohen return err; 4180ffec9702STonghao Zhang 4181f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4182f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4183f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4184a0646c88SEli Britstein return -EOPNOTSUPP; 4185f6dc1264SPaul Blakey } 4186a0646c88SEli Britstein 4187bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 4188bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4189bb569657SAriel Levkovich "can't forward from a VF to itself"); 4190bb569657SAriel Levkovich return -EOPNOTSUPP; 4191bb569657SAriel Levkovich } 4192bb569657SAriel Levkovich 419303a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 41941d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4195c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 4196c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 4197c620b772SAriel Levkovich esw_attr->out_count++; 419827484f71SAriel Levkovich } else if (netif_is_ovs_master(out_dev)) { 419927484f71SAriel Levkovich err = mlx5e_set_fwd_to_int_port_actions(priv, attr, 420027484f71SAriel Levkovich out_dev->ifindex, 420127484f71SAriel Levkovich MLX5E_TC_INT_PORT_EGRESS, 420227484f71SAriel Levkovich &action, 420327484f71SAriel Levkovich esw_attr->out_count); 420427484f71SAriel Levkovich if (err) 420527484f71SAriel Levkovich return err; 420627484f71SAriel Levkovich 420727484f71SAriel Levkovich esw_attr->out_count++; 4208ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4209ef381359SOz Shlomo /* All mlx5 devices are called to configure 4210ef381359SOz Shlomo * high level device filters. Therefore, the 4211ef381359SOz Shlomo * *attempt* to install a filter on invalid 4212ef381359SOz Shlomo * eswitch should not trigger an explicit error 4213ef381359SOz Shlomo */ 4214ef381359SOz Shlomo return -EINVAL; 4215a54e20b4SHadar Hen Zion } else { 4216e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4217e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 42184ccd83f4SRoi Dayan netdev_warn(priv->netdev, 42194ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 42204ccd83f4SRoi Dayan priv->netdev->name, 42214ccd83f4SRoi Dayan out_dev->name); 422225f150f4SRoi Dayan return -EOPNOTSUPP; 4223a54e20b4SHadar Hen Zion } 4224a54e20b4SHadar Hen Zion } 422573867881SPablo Neira Ayuso break; 422673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 422773867881SPablo Neira Ayuso info = act->tunnel; 42280885ae1aSAbhiram R N if (info) { 4229a54e20b4SHadar Hen Zion encap = true; 42300885ae1aSAbhiram R N } else { 42310885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 42320885ae1aSAbhiram R N "Zero tunnel attributes is not supported"); 4233a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 42340885ae1aSAbhiram R N } 423503a9d11eSOr Gerlitz 423673867881SPablo Neira Ayuso break; 423773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 423873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 423976b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 424076b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 424176b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 424276b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 424376b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 424476b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 424576b496b1SEli Britstein act, parse_attr, hdrs, 424676b496b1SEli Britstein &action, extack); 424776b496b1SEli Britstein } else { 42480885ae1aSAbhiram R N err = parse_tc_vlan_action(priv, act, esw_attr, &action, extack); 424976b496b1SEli Britstein } 42501482bd3dSJianbo Liu if (err) 42511482bd3dSJianbo Liu return err; 42521482bd3dSJianbo Liu 4253c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 425473867881SPablo Neira Ayuso break; 4255bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4256bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4257bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4258bdc837eeSEli Britstein act, parse_attr, hdrs, 4259bdc837eeSEli Britstein &action, extack); 4260bdc837eeSEli Britstein if (err) 4261bdc837eeSEli Britstein return err; 4262bdc837eeSEli Britstein 4263c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4264bdc837eeSEli Britstein break; 426573867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 42660a7fcb78SPaul Blakey decap = true; 426773867881SPablo Neira Ayuso break; 42682fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 4269c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 42702fbbc30dSEli Cohen extack); 42712fbbc30dSEli Cohen if (err) 42722fbbc30dSEli Cohen return err; 4273bf07aa73SPaul Blakey 42747f8770c7SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 42757f8770c7SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 42762fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 427773867881SPablo Neira Ayuso break; 42784c3844d9SPaul Blakey case FLOW_ACTION_CT: 427941c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 428041c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 428141c2fd94SChris Mi return -EOPNOTSUPP; 428241c2fd94SChris Mi } 4283806401c2SRoi Dayan err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, 4284806401c2SRoi Dayan &parse_attr->mod_hdr_acts, 4285806401c2SRoi Dayan act, extack); 42864c3844d9SPaul Blakey if (err) 42874c3844d9SPaul Blakey return err; 42884c3844d9SPaul Blakey 42894c3844d9SPaul Blakey flow_flag_set(flow, CT); 429069e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 42914c3844d9SPaul Blakey break; 429241c2fd94SChris Mi case FLOW_ACTION_SAMPLE: 429341c2fd94SChris Mi if (flow_flag_test(flow, CT)) { 429441c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 429541c2fd94SChris Mi return -EOPNOTSUPP; 429641c2fd94SChris Mi } 4297bcd6740cSChris Mi sample_attr.rate = act->sample.rate; 4298bcd6740cSChris Mi sample_attr.group_num = act->sample.psample_group->group_num; 429941c2fd94SChris Mi if (act->sample.truncate) 4300bcd6740cSChris Mi sample_attr.trunc_size = act->sample.trunc_size; 430141c2fd94SChris Mi flow_flag_set(flow, SAMPLE); 430241c2fd94SChris Mi break; 430373867881SPablo Neira Ayuso default: 43040885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 43050885ae1aSAbhiram R N "The offload action is not supported in FDB action"); 43062cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 430703a9d11eSOr Gerlitz } 430873867881SPablo Neira Ayuso } 4309bdd66ac0SOr Gerlitz 4310166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4311166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 4312166f431eSAriel Levkovich esw_attr->out_count > 1) { 431327484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4314166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 431527484f71SAriel Levkovich return -EOPNOTSUPP; 431627484f71SAriel Levkovich } 431727484f71SAriel Levkovich 4318a508728aSVlad Buslov /* always set IP version for indirect table handling */ 4319a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4320a508728aSVlad Buslov 43210bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 43220bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 43230bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 43240bac1194SEli Britstein * tag rewrite. 43250bac1194SEli Britstein */ 43260bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 43270bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 43280bac1194SEli Britstein &action, extack); 43290bac1194SEli Britstein if (err) 43300bac1194SEli Britstein return err; 43310bac1194SEli Britstein } 43320bac1194SEli Britstein 4333d9581e2fSRoi Dayan attr->action = action; 4334d9581e2fSRoi Dayan 4335d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 4336c500c86bSPablo Neira Ayuso if (err) 4337c500c86bSPablo Neira Ayuso return err; 4338c500c86bSPablo Neira Ayuso 433973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4340bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4341bdd66ac0SOr Gerlitz 43427f8770c7SRoi Dayan if (attr->dest_chain && decap) { 43430a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 43440a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 43450a7fcb78SPaul Blakey * this tunnel id with this decap flow. 43460a7fcb78SPaul Blakey * 43470a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 43480a7fcb78SPaul Blakey * device. 43490a7fcb78SPaul Blakey */ 43500a7fcb78SPaul Blakey 43517f8770c7SRoi Dayan NL_SET_ERR_MSG(extack, "Decap with goto isn't supported"); 43527f8770c7SRoi Dayan netdev_warn(priv->netdev, "Decap with goto isn't supported"); 43530a7fcb78SPaul Blakey return -EOPNOTSUPP; 43540a7fcb78SPaul Blakey } 43550a7fcb78SPaul Blakey 435641c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 435741c2fd94SChris Mi * no errors after parsing. 435841c2fd94SChris Mi */ 435941c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 4360bcd6740cSChris Mi attr->sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL); 4361bcd6740cSChris Mi if (!attr->sample_attr) 436241c2fd94SChris Mi return -ENOMEM; 4363bcd6740cSChris Mi *attr->sample_attr = sample_attr; 436441c2fd94SChris Mi } 436541c2fd94SChris Mi 436631c8eba5SOr Gerlitz return 0; 436703a9d11eSOr Gerlitz } 436803a9d11eSOr Gerlitz 4369226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 437060bd4af8SOr Gerlitz { 4371226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 437260bd4af8SOr Gerlitz 4373226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4374226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4375226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4376226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 437760bd4af8SOr Gerlitz 4378226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4379226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4380226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4381226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 438284179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 438384179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4384d9ee0491SOr Gerlitz 438560bd4af8SOr Gerlitz *flow_flags = __flow_flags; 438660bd4af8SOr Gerlitz } 438760bd4af8SOr Gerlitz 438805866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 438905866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 439005866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 439105866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 439205866c82SOr Gerlitz .automatic_shrinking = true, 439305866c82SOr Gerlitz }; 439405866c82SOr Gerlitz 4395226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4396226f2ca3SVlad Buslov unsigned long flags) 439705866c82SOr Gerlitz { 4398655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4399655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4400655dc3d2SOr Gerlitz 4401226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4402655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4403ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4404d9ee0491SOr Gerlitz } else /* NIC offload */ 440505866c82SOr Gerlitz return &priv->fs.tc.ht; 440605866c82SOr Gerlitz } 440705866c82SOr Gerlitz 440804de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 440904de7ddaSRoi Dayan { 4410c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4411c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4412c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4413226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 44141418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 44151418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4416c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 44171418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 44181418ddd9SAviv Heller 441910fbb1cdSRoi Dayan if (!esw_paired) 442010fbb1cdSRoi Dayan return false; 442110fbb1cdSRoi Dayan 4422c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4423c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 442410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 442510fbb1cdSRoi Dayan return true; 442610fbb1cdSRoi Dayan 442710fbb1cdSRoi Dayan return false; 442804de7ddaSRoi Dayan } 442904de7ddaSRoi Dayan 4430c620b772SAriel Levkovich struct mlx5_flow_attr * 4431c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4432c620b772SAriel Levkovich { 4433c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4434c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4435c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4436c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4437c620b772SAriel Levkovich 4438c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4439c620b772SAriel Levkovich } 4440c620b772SAriel Levkovich 4441a88780a9SRoi Dayan static int 4442a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4443226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4444a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4445a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4446e3a2b7edSAmir Vadai { 444717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4448c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 44493bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4450ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4451ff7ea04aSGustavo A. R. Silva int out_index; 4452776b12b6SOr Gerlitz 4453c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 44541b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4455ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4456ff7ea04aSGustavo A. R. Silva goto err_free; 4457c620b772SAriel Levkovich 4458c620b772SAriel Levkovich flow->flags = flow_flags; 4459c620b772SAriel Levkovich flow->cookie = f->cookie; 4460c620b772SAriel Levkovich flow->priv = priv; 4461c620b772SAriel Levkovich 4462c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4463ff7ea04aSGustavo A. R. Silva if (!attr) 4464e3a2b7edSAmir Vadai goto err_free; 4465ff7ea04aSGustavo A. R. Silva 4466c620b772SAriel Levkovich flow->attr = attr; 4467e3a2b7edSAmir Vadai 44685a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 44695a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 44705a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 447114e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 44725a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 447395435ad7SVlad Buslov init_completion(&flow->init_done); 4474362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4475e3a2b7edSAmir Vadai 4476a88780a9SRoi Dayan *__flow = flow; 4477a88780a9SRoi Dayan *__parse_attr = parse_attr; 4478a88780a9SRoi Dayan 4479a88780a9SRoi Dayan return 0; 4480a88780a9SRoi Dayan 4481a88780a9SRoi Dayan err_free: 4482a88780a9SRoi Dayan kfree(flow); 4483a88780a9SRoi Dayan kvfree(parse_attr); 4484a88780a9SRoi Dayan return err; 4485adb4c123SOr Gerlitz } 4486adb4c123SOr Gerlitz 4487988ab9c7STonghao Zhang static void 4488c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4489c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4490c7569097SAriel Levkovich struct flow_cls_offload *f) 4491c7569097SAriel Levkovich { 4492c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4493c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4494c7569097SAriel Levkovich attr->prio = f->common.prio; 4495c7569097SAriel Levkovich } 4496c7569097SAriel Levkovich 4497c7569097SAriel Levkovich static void 4498c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4499988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4500988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4501f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4502988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4503988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4504988ab9c7STonghao Zhang { 4505988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4506c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4507988ab9c7STonghao Zhang 4508c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4509988ab9c7STonghao Zhang 4510988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4511988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4512988ab9c7STonghao Zhang 4513988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4514988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4515988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4516988ab9c7STonghao Zhang else 4517988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4518988ab9c7STonghao Zhang } 4519988ab9c7STonghao Zhang 452071129676SJason Gunthorpe static struct mlx5e_tc_flow * 452104de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4522f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4523226f2ca3SVlad Buslov unsigned long flow_flags, 4524d11afc26SOz Shlomo struct net_device *filter_dev, 452504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 452671129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4527a88780a9SRoi Dayan { 4528f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4529a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4530a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4531a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4532a88780a9SRoi Dayan int attr_size, err; 4533a88780a9SRoi Dayan 4534226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4535a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4536a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4537a88780a9SRoi Dayan &parse_attr, &flow); 4538a88780a9SRoi Dayan if (err) 4539a88780a9SRoi Dayan goto out; 4540988ab9c7STonghao Zhang 4541d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4542c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4543988ab9c7STonghao Zhang priv, parse_attr, 4544988ab9c7STonghao Zhang f, in_rep, in_mdev); 4545988ab9c7STonghao Zhang 454654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 454754c177caSOz Shlomo f, filter_dev); 4548d11afc26SOz Shlomo if (err) 4549d11afc26SOz Shlomo goto err_free; 4550a88780a9SRoi Dayan 45517e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4552aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4553c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4554a88780a9SRoi Dayan if (err) 4555a88780a9SRoi Dayan goto err_free; 4556a88780a9SRoi Dayan 455770f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 45584c3844d9SPaul Blakey if (err) 45594c3844d9SPaul Blakey goto err_free; 45604c3844d9SPaul Blakey 45617040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 456295435ad7SVlad Buslov complete_all(&flow->init_done); 4563ef06c9eeSRoi Dayan if (err) { 4564ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4565aa0cbbaeSOr Gerlitz goto err_free; 45665c40348cSOr Gerlitz 4567b4a23329SRoi Dayan add_unready_flow(flow); 4568ef06c9eeSRoi Dayan } 4569ef06c9eeSRoi Dayan 457071129676SJason Gunthorpe return flow; 4571e3a2b7edSAmir Vadai 4572e3a2b7edSAmir Vadai err_free: 45735a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4574a88780a9SRoi Dayan out: 457571129676SJason Gunthorpe return ERR_PTR(err); 4576a88780a9SRoi Dayan } 4577a88780a9SRoi Dayan 4578f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 457995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4580226f2ca3SVlad Buslov unsigned long flow_flags) 458104de7ddaSRoi Dayan { 458204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 458304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4584c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 458504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 458604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 458704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 458804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 458904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 459004de7ddaSRoi Dayan int err = 0; 459104de7ddaSRoi Dayan 459204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 459304de7ddaSRoi Dayan if (!peer_esw) 459404de7ddaSRoi Dayan return -ENODEV; 459504de7ddaSRoi Dayan 459604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 459704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 459804de7ddaSRoi Dayan 459904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 460004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 460104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 460204de7ddaSRoi Dayan * peer mdev. 460304de7ddaSRoi Dayan */ 4604c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 460504de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 460604de7ddaSRoi Dayan else 460704de7ddaSRoi Dayan in_mdev = priv->mdev; 460804de7ddaSRoi Dayan 4609c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 461095dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 461104de7ddaSRoi Dayan parse_attr->filter_dev, 4612c620b772SAriel Levkovich attr->in_rep, in_mdev); 461371129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 461471129676SJason Gunthorpe err = PTR_ERR(peer_flow); 461504de7ddaSRoi Dayan goto out; 461671129676SJason Gunthorpe } 461704de7ddaSRoi Dayan 461804de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4619226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 462004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 462104de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 462204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 462304de7ddaSRoi Dayan 462404de7ddaSRoi Dayan out: 462504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 462604de7ddaSRoi Dayan return err; 462704de7ddaSRoi Dayan } 462804de7ddaSRoi Dayan 462904de7ddaSRoi Dayan static int 463004de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4631f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4632226f2ca3SVlad Buslov unsigned long flow_flags, 463304de7ddaSRoi Dayan struct net_device *filter_dev, 463404de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 463504de7ddaSRoi Dayan { 463604de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 463704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 463804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 463904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 464004de7ddaSRoi Dayan int err; 464104de7ddaSRoi Dayan 464271129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 464371129676SJason Gunthorpe in_mdev); 464471129676SJason Gunthorpe if (IS_ERR(flow)) 464571129676SJason Gunthorpe return PTR_ERR(flow); 464604de7ddaSRoi Dayan 464704de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 464895dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 464904de7ddaSRoi Dayan if (err) { 465004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 465104de7ddaSRoi Dayan goto out; 465204de7ddaSRoi Dayan } 465304de7ddaSRoi Dayan } 465404de7ddaSRoi Dayan 465504de7ddaSRoi Dayan *__flow = flow; 465604de7ddaSRoi Dayan 465704de7ddaSRoi Dayan return 0; 465804de7ddaSRoi Dayan 465904de7ddaSRoi Dayan out: 466004de7ddaSRoi Dayan return err; 466104de7ddaSRoi Dayan } 466204de7ddaSRoi Dayan 4663a88780a9SRoi Dayan static int 4664a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4665f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4666226f2ca3SVlad Buslov unsigned long flow_flags, 4667d11afc26SOz Shlomo struct net_device *filter_dev, 4668a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4669a88780a9SRoi Dayan { 4670f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4671a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4672a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4673a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4674a88780a9SRoi Dayan int attr_size, err; 4675a88780a9SRoi Dayan 4676c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4677bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4678bf07aa73SPaul Blakey return -EOPNOTSUPP; 4679c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4680c7569097SAriel Levkovich return -EOPNOTSUPP; 4681c7569097SAriel Levkovich } 4682bf07aa73SPaul Blakey 4683226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4684a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4685a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4686a88780a9SRoi Dayan &parse_attr, &flow); 4687a88780a9SRoi Dayan if (err) 4688a88780a9SRoi Dayan goto out; 4689a88780a9SRoi Dayan 4690d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4691c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4692c7569097SAriel Levkovich 469354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 469454c177caSOz Shlomo f, filter_dev); 4695d11afc26SOz Shlomo if (err) 4696d11afc26SOz Shlomo goto err_free; 4697d11afc26SOz Shlomo 4698aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4699aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4700aedd133dSAriel Levkovich if (err) 4701aedd133dSAriel Levkovich goto err_free; 4702aedd133dSAriel Levkovich 4703c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4704a88780a9SRoi Dayan if (err) 4705a88780a9SRoi Dayan goto err_free; 4706a88780a9SRoi Dayan 4707c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4708a88780a9SRoi Dayan if (err) 4709a88780a9SRoi Dayan goto err_free; 4710a88780a9SRoi Dayan 4711226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4712a88780a9SRoi Dayan *__flow = flow; 4713a88780a9SRoi Dayan 4714a88780a9SRoi Dayan return 0; 4715a88780a9SRoi Dayan 4716a88780a9SRoi Dayan err_free: 47178914add2SVlad Buslov flow_flag_set(flow, FAILED); 4718e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 47195a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4720a88780a9SRoi Dayan out: 4721a88780a9SRoi Dayan return err; 4722a88780a9SRoi Dayan } 4723a88780a9SRoi Dayan 4724a88780a9SRoi Dayan static int 4725a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4726f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4727226f2ca3SVlad Buslov unsigned long flags, 4728d11afc26SOz Shlomo struct net_device *filter_dev, 4729a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4730a88780a9SRoi Dayan { 4731a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4732226f2ca3SVlad Buslov unsigned long flow_flags; 4733a88780a9SRoi Dayan int err; 4734a88780a9SRoi Dayan 4735a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4736a88780a9SRoi Dayan 4737bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4738bf07aa73SPaul Blakey return -EOPNOTSUPP; 4739bf07aa73SPaul Blakey 4740f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4741d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4742d11afc26SOz Shlomo filter_dev, flow); 4743a88780a9SRoi Dayan else 4744d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4745d11afc26SOz Shlomo filter_dev, flow); 4746a88780a9SRoi Dayan 4747a88780a9SRoi Dayan return err; 4748a88780a9SRoi Dayan } 4749a88780a9SRoi Dayan 4750553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4751553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4752553f9328SVu Pham { 4753553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 47542fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 47552fb15e72SVlad Buslov * function is called from NIC mode. 4756553f9328SVu Pham */ 47572fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4758553f9328SVu Pham } 4759553f9328SVu Pham 476071d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4761226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4762a88780a9SRoi Dayan { 4763a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4764d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4765553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4766a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4767a88780a9SRoi Dayan int err = 0; 4768a88780a9SRoi Dayan 47697dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 47707dc84de9SRoi Dayan return -EAGAIN; 47717dc84de9SRoi Dayan 47727dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 47737dc84de9SRoi Dayan 4774c5d326b2SVlad Buslov rcu_read_lock(); 4775c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4776a88780a9SRoi Dayan if (flow) { 4777553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4778553f9328SVu Pham * just return 0. 4779553f9328SVu Pham */ 4780553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4781c1aea9e1SVlad Buslov goto rcu_unlock; 4782553f9328SVu Pham 4783a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4784a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4785a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4786a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4787a88780a9SRoi Dayan f->cookie); 47880e1c1a2fSVlad Buslov err = -EEXIST; 4789c1aea9e1SVlad Buslov goto rcu_unlock; 4790a88780a9SRoi Dayan } 4791c1aea9e1SVlad Buslov rcu_unlock: 4792c1aea9e1SVlad Buslov rcu_read_unlock(); 4793c1aea9e1SVlad Buslov if (flow) 4794c1aea9e1SVlad Buslov goto out; 4795a88780a9SRoi Dayan 47967a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4797d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4798a88780a9SRoi Dayan if (err) 4799a88780a9SRoi Dayan goto out; 4800a88780a9SRoi Dayan 4801553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4802553f9328SVu Pham * set the flow's owner dev. 4803553f9328SVu Pham */ 4804553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4805553f9328SVu Pham flow->orig_dev = dev; 4806553f9328SVu Pham 4807c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4808a88780a9SRoi Dayan if (err) 4809a88780a9SRoi Dayan goto err_free; 4810a88780a9SRoi Dayan 48117dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4812a88780a9SRoi Dayan return 0; 4813a88780a9SRoi Dayan 4814a88780a9SRoi Dayan err_free: 48155a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4816a88780a9SRoi Dayan out: 48177dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 48187dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4819e3a2b7edSAmir Vadai return err; 4820e3a2b7edSAmir Vadai } 4821e3a2b7edSAmir Vadai 48228f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 48238f8ae895SOr Gerlitz { 4824226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4825226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 48268f8ae895SOr Gerlitz 4827226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4828226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 48298f8ae895SOr Gerlitz } 48308f8ae895SOr Gerlitz 483171d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4832226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4833e3a2b7edSAmir Vadai { 4834d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4835e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4836c5d326b2SVlad Buslov int err; 4837e3a2b7edSAmir Vadai 4838c5d326b2SVlad Buslov rcu_read_lock(); 4839ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4840c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4841c5d326b2SVlad Buslov err = -EINVAL; 4842c5d326b2SVlad Buslov goto errout; 4843c5d326b2SVlad Buslov } 4844e3a2b7edSAmir Vadai 4845c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4846c5d326b2SVlad Buslov * set. 4847c5d326b2SVlad Buslov */ 4848c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4849c5d326b2SVlad Buslov err = -EINVAL; 4850c5d326b2SVlad Buslov goto errout; 4851c5d326b2SVlad Buslov } 485205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4853c5d326b2SVlad Buslov rcu_read_unlock(); 4854e3a2b7edSAmir Vadai 48557a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 48565a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4857e3a2b7edSAmir Vadai 48587dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4859e3a2b7edSAmir Vadai return 0; 4860c5d326b2SVlad Buslov 4861c5d326b2SVlad Buslov errout: 4862c5d326b2SVlad Buslov rcu_read_unlock(); 4863c5d326b2SVlad Buslov return err; 4864e3a2b7edSAmir Vadai } 4865e3a2b7edSAmir Vadai 486671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4867226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4868aad7e08dSAmir Vadai { 486904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4870d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 487104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4872aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4873aad7e08dSAmir Vadai struct mlx5_fc *counter; 4874316d5f72SRoi Dayan u64 lastuse = 0; 4875316d5f72SRoi Dayan u64 packets = 0; 4876316d5f72SRoi Dayan u64 bytes = 0; 48775a7e5bcbSVlad Buslov int err = 0; 4878aad7e08dSAmir Vadai 4879c5d326b2SVlad Buslov rcu_read_lock(); 4880c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 48815a7e5bcbSVlad Buslov tc_ht_params)); 4882c5d326b2SVlad Buslov rcu_read_unlock(); 48835a7e5bcbSVlad Buslov if (IS_ERR(flow)) 48845a7e5bcbSVlad Buslov return PTR_ERR(flow); 48855a7e5bcbSVlad Buslov 48865a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 48875a7e5bcbSVlad Buslov err = -EINVAL; 48885a7e5bcbSVlad Buslov goto errout; 48895a7e5bcbSVlad Buslov } 4890aad7e08dSAmir Vadai 48914c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4892b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4893aad7e08dSAmir Vadai if (!counter) 48945a7e5bcbSVlad Buslov goto errout; 4895aad7e08dSAmir Vadai 4896aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4897316d5f72SRoi Dayan } 4898aad7e08dSAmir Vadai 4899316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4900316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4901316d5f72SRoi Dayan */ 490204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 490304de7ddaSRoi Dayan if (!peer_esw) 490404de7ddaSRoi Dayan goto out; 490504de7ddaSRoi Dayan 4906226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4907226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 490804de7ddaSRoi Dayan u64 bytes2; 490904de7ddaSRoi Dayan u64 packets2; 491004de7ddaSRoi Dayan u64 lastuse2; 491104de7ddaSRoi Dayan 491204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4913316d5f72SRoi Dayan if (!counter) 4914316d5f72SRoi Dayan goto no_peer_counter; 491504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 491604de7ddaSRoi Dayan 491704de7ddaSRoi Dayan bytes += bytes2; 491804de7ddaSRoi Dayan packets += packets2; 491904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 492004de7ddaSRoi Dayan } 492104de7ddaSRoi Dayan 4922316d5f72SRoi Dayan no_peer_counter: 492304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 492404de7ddaSRoi Dayan out: 49254b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 492693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 49277a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 49285a7e5bcbSVlad Buslov errout: 49295a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 49305a7e5bcbSVlad Buslov return err; 4931aad7e08dSAmir Vadai } 4932aad7e08dSAmir Vadai 49331fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4934fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4935fcb64c0fSEli Cohen { 4936fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4937fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 49381fe3e316SParav Pandit u32 rate_mbps = 0; 4939fcb64c0fSEli Cohen u16 vport_num; 4940fcb64c0fSEli Cohen int err; 4941fcb64c0fSEli Cohen 4942e401a184SEli Cohen vport_num = rpriv->rep->vport; 4943e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4944e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4945e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4946e401a184SEli Cohen return -EOPNOTSUPP; 4947e401a184SEli Cohen } 4948e401a184SEli Cohen 4949fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4950fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4951fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4952fcb64c0fSEli Cohen * mbit means million bits. 4953fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4954fcb64c0fSEli Cohen * 1 mbit/sec. 4955fcb64c0fSEli Cohen */ 49561fe3e316SParav Pandit if (rate) { 49571fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 49588b90d897SParav Pandit do_div(rate, 1000000); 49598b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 49601fe3e316SParav Pandit } 49611fe3e316SParav Pandit 49622d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4963fcb64c0fSEli Cohen if (err) 4964fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4965fcb64c0fSEli Cohen 4966fcb64c0fSEli Cohen return err; 4967fcb64c0fSEli Cohen } 4968fcb64c0fSEli Cohen 4969fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4970fcb64c0fSEli Cohen struct flow_action *flow_action, 4971fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4972fcb64c0fSEli Cohen { 4973fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4974fcb64c0fSEli Cohen const struct flow_action_entry *act; 4975fcb64c0fSEli Cohen int err; 4976fcb64c0fSEli Cohen int i; 4977fcb64c0fSEli Cohen 4978fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4979fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4980fcb64c0fSEli Cohen return -EINVAL; 4981fcb64c0fSEli Cohen } 4982fcb64c0fSEli Cohen 4983fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4984fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4985fcb64c0fSEli Cohen return -EOPNOTSUPP; 4986fcb64c0fSEli Cohen } 4987fcb64c0fSEli Cohen 49880885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 49890885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4990319a1d19SJiri Pirko return -EOPNOTSUPP; 49910885ae1aSAbhiram R N } 4992319a1d19SJiri Pirko 4993fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4994fcb64c0fSEli Cohen switch (act->id) { 4995fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 49966a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 49976a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 49986a56e199SBaowen Zheng return -EOPNOTSUPP; 49996a56e199SBaowen Zheng } 5000fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5001fcb64c0fSEli Cohen if (err) 5002fcb64c0fSEli Cohen return err; 5003fcb64c0fSEli Cohen 5004fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5005fcb64c0fSEli Cohen break; 5006fcb64c0fSEli Cohen default: 5007fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5008fcb64c0fSEli Cohen return -EOPNOTSUPP; 5009fcb64c0fSEli Cohen } 5010fcb64c0fSEli Cohen } 5011fcb64c0fSEli Cohen 5012fcb64c0fSEli Cohen return 0; 5013fcb64c0fSEli Cohen } 5014fcb64c0fSEli Cohen 5015fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5016fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5017fcb64c0fSEli Cohen { 5018b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 5019fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5020fcb64c0fSEli Cohen 5021b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 5022b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 5023b5f814ccSEli Cohen return -EOPNOTSUPP; 5024b5f814ccSEli Cohen } 5025b5f814ccSEli Cohen 50267b83355fSEli Cohen if (ma->common.prio != 1) { 5027fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5028fcb64c0fSEli Cohen return -EINVAL; 5029fcb64c0fSEli Cohen } 5030fcb64c0fSEli Cohen 5031fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5032fcb64c0fSEli Cohen } 5033fcb64c0fSEli Cohen 5034fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5035fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5036fcb64c0fSEli Cohen { 5037fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5038fcb64c0fSEli Cohen 5039fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5040fcb64c0fSEli Cohen } 5041fcb64c0fSEli Cohen 5042fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5043fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5044fcb64c0fSEli Cohen { 5045fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5046fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5047fcb64c0fSEli Cohen u64 dbytes; 5048fcb64c0fSEli Cohen u64 dpkts; 5049fcb64c0fSEli Cohen 5050fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5051fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5052fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5053fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 50544b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 505593a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5056fcb64c0fSEli Cohen } 5057fcb64c0fSEli Cohen 50584d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 50594d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 50604d8fcf21SAlaa Hleihel { 50614d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5062db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5063db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 50644d8fcf21SAlaa Hleihel u16 peer_vhca_id; 50654d8fcf21SAlaa Hleihel int bkt; 50664d8fcf21SAlaa Hleihel 50674d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 50684d8fcf21SAlaa Hleihel return; 50694d8fcf21SAlaa Hleihel 50704d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 50714d8fcf21SAlaa Hleihel 5072b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 5073db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 5074db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5075db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5076b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 5077db76ca24SVlad Buslov 5078db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5079db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5080db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5081a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5082db76ca24SVlad Buslov 5083db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5084db76ca24SVlad Buslov } 50854d8fcf21SAlaa Hleihel } 50864d8fcf21SAlaa Hleihel 50874d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 50884d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 50894d8fcf21SAlaa Hleihel { 50904d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 50914d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 50924d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 50934d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 50944d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 50954d8fcf21SAlaa Hleihel 50964d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 50974d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 50984d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 50994d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51004d8fcf21SAlaa Hleihel 51014d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 51024d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 51034d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 51044d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 51054d8fcf21SAlaa Hleihel if (priv == peer_priv || 51064d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 51074d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51084d8fcf21SAlaa Hleihel 51094d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 51104d8fcf21SAlaa Hleihel 51114d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51124d8fcf21SAlaa Hleihel } 51134d8fcf21SAlaa Hleihel 51146a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 51156a064674SAriel Levkovich { 51166a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 51176a064674SAriel Levkovich u32 max_flow_counter; 51186a064674SAriel Levkovich 51196a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 51206a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 51216a064674SAriel Levkovich 51226a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 51236a064674SAriel Levkovich 51246a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 51256a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 51266a064674SAriel Levkovich 51276a064674SAriel Levkovich return tc_tbl_size; 51286a064674SAriel Levkovich } 51296a064674SAriel Levkovich 5130655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5131e8f887acSAmir Vadai { 5132acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 51336a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5134c9355682SChris Mi struct mapping_ctx *chains_mapping; 51356a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 51362198b932SRoi Dayan u64 mapping_id; 51374d8fcf21SAlaa Hleihel int err; 5138e8f887acSAmir Vadai 5139b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5140b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5141b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 51425c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 514311c9c548SOr Gerlitz 51444d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 51454d8fcf21SAlaa Hleihel if (err) 51464d8fcf21SAlaa Hleihel return err; 51474d8fcf21SAlaa Hleihel 51489ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 51499ba33339SRoi Dayan 51502198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 51512198b932SRoi Dayan 51522198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 51532198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5154c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 51552198b932SRoi Dayan 5156c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5157c9355682SChris Mi err = PTR_ERR(chains_mapping); 5158c9355682SChris Mi goto err_mapping; 5159c9355682SChris Mi } 5160c9355682SChris Mi tc->mapping = chains_mapping; 5161c9355682SChris Mi 5162c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5163c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5164c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 51656a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 51666a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 51676a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 51686783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 5169c9355682SChris Mi attr.mapping = chains_mapping; 51706a064674SAriel Levkovich 51716a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 51726a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 51736a064674SAriel Levkovich err = PTR_ERR(tc->chains); 51746a064674SAriel Levkovich goto err_chains; 51756a064674SAriel Levkovich } 51766a064674SAriel Levkovich 5177f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 5178aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 5179f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5180aedd133dSAriel Levkovich 51814d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5182d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5183d48834f9SJiri Pirko &tc->netdevice_nb, 5184d48834f9SJiri Pirko &tc->netdevice_nn); 5185d48834f9SJiri Pirko if (err) { 51864d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 51874d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 51886a064674SAriel Levkovich goto err_reg; 51894d8fcf21SAlaa Hleihel } 51904d8fcf21SAlaa Hleihel 51916a064674SAriel Levkovich return 0; 51926a064674SAriel Levkovich 51936a064674SAriel Levkovich err_reg: 5194aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5195f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 51966a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 51976a064674SAriel Levkovich err_chains: 5198c9355682SChris Mi mapping_destroy(chains_mapping); 5199c9355682SChris Mi err_mapping: 52006a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 52014d8fcf21SAlaa Hleihel return err; 5202e8f887acSAmir Vadai } 5203e8f887acSAmir Vadai 5204e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5205e8f887acSAmir Vadai { 5206e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5207655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5208e8f887acSAmir Vadai 5209961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5210e8f887acSAmir Vadai kfree(flow); 5211e8f887acSAmir Vadai } 5212e8f887acSAmir Vadai 5213655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5214e8f887acSAmir Vadai { 5215acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5216e8f887acSAmir Vadai 52174d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5218d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5219d48834f9SJiri Pirko &tc->netdevice_nb, 5220d48834f9SJiri Pirko &tc->netdevice_nn); 52214d8fcf21SAlaa Hleihel 5222b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5223b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5224b32accdaSVlad Buslov 52256a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5226e8f887acSAmir Vadai 5227acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 52286a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5229acff797cSMaor Gottlieb tc->t = NULL; 5230e8f887acSAmir Vadai } 5231b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 52326a064674SAriel Levkovich 5233aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5234f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5235c9355682SChris Mi mapping_destroy(tc->mapping); 52366a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 5237e8f887acSAmir Vadai } 5238655dc3d2SOr Gerlitz 5239655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5240655dc3d2SOr Gerlitz { 5241d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 52420a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 5243aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 52440a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5245aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5246aedd133dSAriel Levkovich struct mlx5e_priv *priv; 52472198b932SRoi Dayan u64 mapping_id; 5248aedd133dSAriel Levkovich int err = 0; 52490a7fcb78SPaul Blakey 52500a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5251aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5252aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5253aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 52540a7fcb78SPaul Blakey 5255f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5256f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5257aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5258aedd133dSAriel Levkovich esw_chains(esw), 5259aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5260f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5261f0da4daaSChris Mi uplink_priv->post_act); 52624c3844d9SPaul Blakey 52634f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 52644f4edcc2SAriel Levkovich 52652741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 52662a9ab10aSChris Mi 52672198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 52682198b932SRoi Dayan 52692198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 52702198b932SRoi Dayan sizeof(struct tunnel_match_key), 52710a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 52722198b932SRoi Dayan 52730a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52740a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52750a7fcb78SPaul Blakey goto err_tun_mapping; 52760a7fcb78SPaul Blakey } 52770a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 52780a7fcb78SPaul Blakey 52793222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 52803222efd4SVlad Buslov * and bridge ingress push mark. 52813222efd4SVlad Buslov */ 52822198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 52833222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 52840a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52850a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52860a7fcb78SPaul Blakey goto err_enc_opts_mapping; 52870a7fcb78SPaul Blakey } 52880a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 52890a7fcb78SPaul Blakey 52900a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 52910a7fcb78SPaul Blakey if (err) 52920a7fcb78SPaul Blakey goto err_ht_init; 52930a7fcb78SPaul Blakey 52949ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 52959ba33339SRoi Dayan 52968914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 52972b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 52982b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 52998914add2SVlad Buslov goto err_register_fib_notifier; 53002b6c3c1eSWei Yongjun } 53018914add2SVlad Buslov 53022b6c3c1eSWei Yongjun return 0; 53030a7fcb78SPaul Blakey 53048914add2SVlad Buslov err_register_fib_notifier: 53058914add2SVlad Buslov rhashtable_destroy(tc_ht); 53060a7fcb78SPaul Blakey err_ht_init: 53070a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53080a7fcb78SPaul Blakey err_enc_opts_mapping: 53090a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53100a7fcb78SPaul Blakey err_tun_mapping: 53110027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 53124f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5313aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 53140a7fcb78SPaul Blakey netdev_warn(priv->netdev, 53150a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5316f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 53170a7fcb78SPaul Blakey return err; 5318655dc3d2SOr Gerlitz } 5319655dc3d2SOr Gerlitz 5320655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5321655dc3d2SOr Gerlitz { 53220a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 53230a7fcb78SPaul Blakey 53240a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5325aedd133dSAriel Levkovich 53268914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 53278914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 53288914add2SVlad Buslov 53290a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53300a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53314c3844d9SPaul Blakey 53320027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 53334f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5334aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5335f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5336655dc3d2SOr Gerlitz } 533701252a27SOr Gerlitz 5338226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 533901252a27SOr Gerlitz { 5340d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 534101252a27SOr Gerlitz 534201252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 534301252a27SOr Gerlitz } 534404de7ddaSRoi Dayan 534504de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 534604de7ddaSRoi Dayan { 534704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 534804de7ddaSRoi Dayan 534904de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 535004de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 535104de7ddaSRoi Dayan } 5352b4a23329SRoi Dayan 5353b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5354b4a23329SRoi Dayan { 5355b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5356b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5357b4a23329SRoi Dayan reoffload_flows_work); 5358b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5359b4a23329SRoi Dayan 5360ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5361b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5362b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5363ad86755bSVlad Buslov unready_flow_del(flow); 5364b4a23329SRoi Dayan } 5365ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5366b4a23329SRoi Dayan } 5367e2394a61SVlad Buslov 5368e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5369e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5370e2394a61SVlad Buslov unsigned long flags) 5371e2394a61SVlad Buslov { 5372e2394a61SVlad Buslov switch (cls_flower->command) { 5373e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5374e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5375e2394a61SVlad Buslov flags); 5376e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5377e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5378e2394a61SVlad Buslov flags); 5379e2394a61SVlad Buslov case FLOW_CLS_STATS: 5380e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5381e2394a61SVlad Buslov flags); 5382e2394a61SVlad Buslov default: 5383e2394a61SVlad Buslov return -EOPNOTSUPP; 5384e2394a61SVlad Buslov } 5385e2394a61SVlad Buslov } 5386e2394a61SVlad Buslov 5387e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5388e2394a61SVlad Buslov void *cb_priv) 5389e2394a61SVlad Buslov { 5390ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5391e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5392e2394a61SVlad Buslov 53932ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 53942ff349c5SRoi Dayan return -EOPNOTSUPP; 53952ff349c5SRoi Dayan 5396ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5397ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5398ec9457a6SRoi Dayan else 5399ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5400ec9457a6SRoi Dayan 5401e2394a61SVlad Buslov switch (type) { 5402e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5403e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5404e2394a61SVlad Buslov default: 5405e2394a61SVlad Buslov return -EOPNOTSUPP; 5406e2394a61SVlad Buslov } 5407e2394a61SVlad Buslov } 5408c7569097SAriel Levkovich 5409c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5410c7569097SAriel Levkovich struct sk_buff *skb) 5411c7569097SAriel Levkovich { 5412c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5413aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5414c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5415aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5416a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5417c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5418c7569097SAriel Levkovich int err; 5419c7569097SAriel Levkovich 5420c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5421c7569097SAriel Levkovich 5422c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5423c7569097SAriel Levkovich 5424c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5425c7569097SAriel Levkovich if (err) { 5426c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5427c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5428c7569097SAriel Levkovich chain_tag, err); 5429c7569097SAriel Levkovich return false; 5430c7569097SAriel Levkovich } 5431c7569097SAriel Levkovich 5432a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5433a91d98a0SChris Mi chain = mapped_obj.chain; 54349453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5435c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5436c7569097SAriel Levkovich return false; 5437c7569097SAriel Levkovich 5438c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5439aedd133dSAriel Levkovich 5440ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 544148d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5442aedd133dSAriel Levkovich 5443aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5444aedd133dSAriel Levkovich zone_restore_id)) 5445aedd133dSAriel Levkovich return false; 5446a91d98a0SChris Mi } else { 5447a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5448a91d98a0SChris Mi return false; 5449c7569097SAriel Levkovich } 5450c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5451c7569097SAriel Levkovich 5452c7569097SAriel Levkovich return true; 5453c7569097SAriel Levkovich } 5454