1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 38e8f887acSAmir Vadai #include <linux/mlx5/device.h> 39e8f887acSAmir Vadai #include <linux/rhashtable.h> 405a7e5bcbSVlad Buslov #include <linux/refcount.h> 41db76ca24SVlad Buslov #include <linux/completion.h> 42f6dfb4c3SHadar Hen Zion #include <net/arp.h> 433616d08bSDavid Ahern #include <net/ipv6_stubs.h> 44f828ca6aSEli Cohen #include <net/bareudp.h> 45d34eb2fcSOr Gerlitz #include <net/bonding.h> 46e8f887acSAmir Vadai #include "en.h" 47f0da4daaSChris Mi #include "en/tc/post_act.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49768c3667SVlad Buslov #include "en/rep/tc.h" 50e2394a61SVlad Buslov #include "en/rep/neigh.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 533f6d08d1SOr Gerlitz #include "fs_core.h" 542c81bfd5SHuy Nguyen #include "en/port.h" 55101f4de9SOz Shlomo #include "en/tc_tun.h" 560a7fcb78SPaul Blakey #include "en/mapping.h" 574c3844d9SPaul Blakey #include "en/tc_ct.h" 58b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 590d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 600027d70cSChris Mi #include "en/tc/sample.h" 61fad54790SRoi Dayan #include "en/tc/act/act.h" 6204de7ddaSRoi Dayan #include "lib/devcom.h" 639272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 64ae430332SAriel Levkovich #include "lib/fs_chains.h" 657a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 661fe3e316SParav Pandit #include <asm/div64.h> 67016c8946SJakub Kicinski #include "lag/lag.h" 68016c8946SJakub Kicinski #include "lag/mp.h" 69e8f887acSAmir Vadai 70acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 716a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 72e8f887acSAmir Vadai 738f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 748f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 758f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 768f1e0b97SPaul Blakey .moffset = 0, 77ed2fe7baSPaul Blakey .mlen = 16, 788f1e0b97SPaul Blakey }, 7910742efcSVlad Buslov [VPORT_TO_REG] = { 8010742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 81ed2fe7baSPaul Blakey .moffset = 16, 82ed2fe7baSPaul Blakey .mlen = 16, 8310742efcSVlad Buslov }, 840a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 850a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 86ed2fe7baSPaul Blakey .moffset = 8, 87ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 880a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 890a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 900a7fcb78SPaul Blakey }, 914c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 92a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 934c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 944c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 954c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 964c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 9739c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 98c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 99c7569097SAriel Levkovich * jump between steering domains. 100c7569097SAriel Levkovich */ 101c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 102c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 103c7569097SAriel Levkovich .moffset = 0, 104ed2fe7baSPaul Blakey .mlen = 16, 105c7569097SAriel Levkovich }, 106aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1078f1e0b97SPaul Blakey }; 1088f1e0b97SPaul Blakey 1099ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1109ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1119ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1129ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1139ba33339SRoi Dayan * it's different than the ht->mutex here. 1149ba33339SRoi Dayan */ 1159ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1169ba33339SRoi Dayan 1170a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1188300f225SRoi Dayan static void free_flow_post_acts(struct mlx5e_tc_flow *flow); 1190a7fcb78SPaul Blakey 1200a7fcb78SPaul Blakey void 1210a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1220a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 123ed2fe7baSPaul Blakey u32 val, 1240a7fcb78SPaul Blakey u32 mask) 1250a7fcb78SPaul Blakey { 126ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1270a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 128ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1290a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 130ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 131ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 132ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1330a7fcb78SPaul Blakey 1340a7fcb78SPaul Blakey fmask = headers_c + soffset; 1350a7fcb78SPaul Blakey fval = headers_v + soffset; 1360a7fcb78SPaul Blakey 137ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 138ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1390a7fcb78SPaul Blakey 140ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 141ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 142ed2fe7baSPaul Blakey 143ed2fe7baSPaul Blakey //move to correct offset 144ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 145ed2fe7baSPaul Blakey mask <<= moffset; 146ed2fe7baSPaul Blakey val <<= moffset; 147ed2fe7baSPaul Blakey max_mask <<= moffset; 148ed2fe7baSPaul Blakey 149ed2fe7baSPaul Blakey //zero val and mask 150ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 151ed2fe7baSPaul Blakey curr_val &= ~max_mask; 152ed2fe7baSPaul Blakey 153ed2fe7baSPaul Blakey //add current to mask 154ed2fe7baSPaul Blakey curr_mask |= mask; 155ed2fe7baSPaul Blakey curr_val |= val; 156ed2fe7baSPaul Blakey 157ed2fe7baSPaul Blakey //back to be32 and write 158ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 159ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 160ed2fe7baSPaul Blakey 161ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 162ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1630a7fcb78SPaul Blakey 1640a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1650a7fcb78SPaul Blakey } 1660a7fcb78SPaul Blakey 1677e36feebSPaul Blakey void 1687e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1697e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 170ed2fe7baSPaul Blakey u32 *val, 1717e36feebSPaul Blakey u32 *mask) 1727e36feebSPaul Blakey { 173ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1747e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 175ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1767e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 177ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 178ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 179ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1807e36feebSPaul Blakey 1817e36feebSPaul Blakey fmask = headers_c + soffset; 1827e36feebSPaul Blakey fval = headers_v + soffset; 1837e36feebSPaul Blakey 184ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 185ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1867e36feebSPaul Blakey 187ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 188ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 189ed2fe7baSPaul Blakey 190ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 191ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1927e36feebSPaul Blakey } 1937e36feebSPaul Blakey 1940a7fcb78SPaul Blakey int 195c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1960a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 197aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 1980a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1990a7fcb78SPaul Blakey u32 data) 2000a7fcb78SPaul Blakey { 2010a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2020a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2030a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2040a7fcb78SPaul Blakey char *modact; 2050a7fcb78SPaul Blakey int err; 2060a7fcb78SPaul Blakey 2072c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2082c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2092c0e5cf5SPaul Blakey return PTR_ERR(modact); 2100a7fcb78SPaul Blakey 2110a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 212ed2fe7baSPaul Blakey if (mlen == 32) 2130a7fcb78SPaul Blakey mlen = 0; 2140a7fcb78SPaul Blakey 2150a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2160a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 217ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 218ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2190a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 220c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2210a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2220a7fcb78SPaul Blakey 223c7b9038dSVlad Buslov return err; 2240a7fcb78SPaul Blakey } 2250a7fcb78SPaul Blakey 22627484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 22727484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 22827484f71SAriel Levkovich { 22927484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23027484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23127484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 23227484f71SAriel Levkovich 23327484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 23427484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23527484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 23627484f71SAriel Levkovich 23727484f71SAriel Levkovich return uplink_priv->int_port_priv; 23827484f71SAriel Levkovich } 23927484f71SAriel Levkovich 24027484f71SAriel Levkovich return NULL; 24127484f71SAriel Levkovich } 24227484f71SAriel Levkovich 243aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 244aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 245aedd133dSAriel Levkovich { 246aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 247aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 248aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 249aedd133dSAriel Levkovich 250e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 251aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 252aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 253aedd133dSAriel Levkovich 254aedd133dSAriel Levkovich return uplink_priv->ct_priv; 255aedd133dSAriel Levkovich } 256aedd133dSAriel Levkovich 257aedd133dSAriel Levkovich return priv->fs.tc.ct; 258aedd133dSAriel Levkovich } 259aedd133dSAriel Levkovich 2600027d70cSChris Mi static struct mlx5e_tc_psample * 261f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 262f94d6389SChris Mi { 263f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 264f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 265f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 266f94d6389SChris Mi 267f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 268f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 269f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 270f94d6389SChris Mi 2710027d70cSChris Mi return uplink_priv->tc_psample; 272f94d6389SChris Mi } 273f94d6389SChris Mi 274f94d6389SChris Mi return NULL; 275f94d6389SChris Mi } 276f94d6389SChris Mi 2778300f225SRoi Dayan static struct mlx5e_post_act * 2788300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 2798300f225SRoi Dayan { 2808300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2818300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 2828300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 2838300f225SRoi Dayan 2848300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 2858300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2868300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 2878300f225SRoi Dayan 2888300f225SRoi Dayan return uplink_priv->post_act; 2898300f225SRoi Dayan } 2908300f225SRoi Dayan 2918300f225SRoi Dayan return priv->fs.tc.post_act; 2928300f225SRoi Dayan } 2938300f225SRoi Dayan 294aedd133dSAriel Levkovich struct mlx5_flow_handle * 295aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 296aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 297aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 298aedd133dSAriel Levkovich { 299aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 300aedd133dSAriel Levkovich 301e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 302aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 303aedd133dSAriel Levkovich 304aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 305aedd133dSAriel Levkovich } 306aedd133dSAriel Levkovich 307aedd133dSAriel Levkovich void 308aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 309aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 310aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 311aedd133dSAriel Levkovich { 312aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 313aedd133dSAriel Levkovich 314e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 315aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 316aedd133dSAriel Levkovich return; 317aedd133dSAriel Levkovich } 318aedd133dSAriel Levkovich 319aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 320aedd133dSAriel Levkovich } 321aedd133dSAriel Levkovich 32284ba8062SRoi Dayan struct mlx5_flow_handle * 32384ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 32484ba8062SRoi Dayan struct mlx5_flow_spec *spec, 32584ba8062SRoi Dayan struct mlx5_flow_attr *attr) 32684ba8062SRoi Dayan { 32784ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 32884ba8062SRoi Dayan 32984ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 33084ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 33184ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 33284ba8062SRoi Dayan 333a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 33484ba8062SRoi Dayan spec, attr, 33584ba8062SRoi Dayan mod_hdr_acts); 33684ba8062SRoi Dayan } 33784ba8062SRoi Dayan 33884ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 33984ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 34084ba8062SRoi Dayan 34184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 34273a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 34384ba8062SRoi Dayan 34484ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 34584ba8062SRoi Dayan } 34684ba8062SRoi Dayan 34784ba8062SRoi Dayan void 34884ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 349a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 35084ba8062SRoi Dayan struct mlx5_flow_attr *attr) 35184ba8062SRoi Dayan { 35284ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 35384ba8062SRoi Dayan 35484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 355a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 35684ba8062SRoi Dayan return; 35784ba8062SRoi Dayan } 35884ba8062SRoi Dayan 35984ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 36084ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 36184ba8062SRoi Dayan return; 36284ba8062SRoi Dayan } 36384ba8062SRoi Dayan 36484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 36584ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 36684ba8062SRoi Dayan return; 36784ba8062SRoi Dayan } 36884ba8062SRoi Dayan 36984ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 37084ba8062SRoi Dayan } 37184ba8062SRoi Dayan 372c7b9038dSVlad Buslov int 373c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 374c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 375c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 376c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 377c7b9038dSVlad Buslov u32 data) 378c7b9038dSVlad Buslov { 379c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 380c7b9038dSVlad Buslov 381c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 382c7b9038dSVlad Buslov } 383c7b9038dSVlad Buslov 384c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 385c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 386c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 387c7b9038dSVlad Buslov int act_id, u32 data) 388c7b9038dSVlad Buslov { 389c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 390c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 391c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 392c7b9038dSVlad Buslov char *modact; 393c7b9038dSVlad Buslov 3942c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 395c7b9038dSVlad Buslov 396c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 397ed2fe7baSPaul Blakey if (mlen == 32) 398c7b9038dSVlad Buslov mlen = 0; 399c7b9038dSVlad Buslov 400c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 401c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 402ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 403ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 404c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 405c7b9038dSVlad Buslov } 406c7b9038dSVlad Buslov 40777ab67b7SOr Gerlitz struct mlx5e_hairpin { 40877ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 40977ab67b7SOr Gerlitz 41077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 4113f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 41277ab67b7SOr Gerlitz u32 tdn; 413a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 4143f6d08d1SOr Gerlitz 4153f6d08d1SOr Gerlitz int num_channels; 4163f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 417a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 418f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 41977ab67b7SOr Gerlitz }; 42077ab67b7SOr Gerlitz 4215c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 4225c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 4235c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 4245c65c564SOr Gerlitz 42573edca73SVlad Buslov /* protects flows list */ 42673edca73SVlad Buslov spinlock_t flows_lock; 4275c65c564SOr Gerlitz /* flows sharing the same hairpin */ 4285c65c564SOr Gerlitz struct list_head flows; 429db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 430db76ca24SVlad Buslov * function traversed them. 431db76ca24SVlad Buslov */ 432db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 4335c65c564SOr Gerlitz 434d8822868SOr Gerlitz u16 peer_vhca_id; 435106be53bSOr Gerlitz u8 prio; 4365c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 437e4f9abbdSVlad Buslov refcount_t refcnt; 438db76ca24SVlad Buslov struct completion res_ready; 4395c65c564SOr Gerlitz }; 4405c65c564SOr Gerlitz 4415a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 4425a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 4435a7e5bcbSVlad Buslov 4440d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 4455a7e5bcbSVlad Buslov { 4465a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 4475a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 4485a7e5bcbSVlad Buslov return flow; 4495a7e5bcbSVlad Buslov } 4505a7e5bcbSVlad Buslov 4510d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 4525a7e5bcbSVlad Buslov { 4535a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 4545a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 455c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 4565a7e5bcbSVlad Buslov } 4575a7e5bcbSVlad Buslov } 4585a7e5bcbSVlad Buslov 459aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 460226f2ca3SVlad Buslov { 461226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 462226f2ca3SVlad Buslov } 463226f2ca3SVlad Buslov 46467d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 46584179981SPaul Blakey { 46684179981SPaul Blakey return flow_flag_test(flow, FT); 46784179981SPaul Blakey } 46884179981SPaul Blakey 4690d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 470226f2ca3SVlad Buslov { 471226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 472226f2ca3SVlad Buslov } 473226f2ca3SVlad Buslov 474e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 475d2faae25SVlad Buslov { 476d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 477d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 478d2faae25SVlad Buslov } 479b2fdf3d0SPaul Blakey 480b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 481b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 482b2fdf3d0SPaul Blakey { 483b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 484b2fdf3d0SPaul Blakey 485e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 486b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 487b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 488b2fdf3d0SPaul Blakey } 489b2fdf3d0SPaul Blakey 49011c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 49111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 49211c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 49311c9c548SOr Gerlitz { 494b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 495b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 49611c9c548SOr Gerlitz 497b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 498e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 499b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 500b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 501b2fdf3d0SPaul Blakey return PTR_ERR(mh); 50211c9c548SOr Gerlitz 503b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 504c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 505b2fdf3d0SPaul Blakey flow->mh = mh; 50611c9c548SOr Gerlitz 50711c9c548SOr Gerlitz return 0; 50811c9c548SOr Gerlitz } 50911c9c548SOr Gerlitz 51011c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 51111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 51211c9c548SOr Gerlitz { 5135a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 514dd58edc3SVlad Buslov if (!flow->mh) 5155a7e5bcbSVlad Buslov return; 5165a7e5bcbSVlad Buslov 517b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 518b2fdf3d0SPaul Blakey flow->mh); 519dd58edc3SVlad Buslov flow->mh = NULL; 52011c9c548SOr Gerlitz } 52111c9c548SOr Gerlitz 52277ab67b7SOr Gerlitz static 52377ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 52477ab67b7SOr Gerlitz { 525b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 52677ab67b7SOr Gerlitz struct net_device *netdev; 52777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 52877ab67b7SOr Gerlitz 529b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 530b1c2f631SDima Chumak if (!netdev) 531b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 532b1c2f631SDima Chumak 53377ab67b7SOr Gerlitz priv = netdev_priv(netdev); 534b1c2f631SDima Chumak mdev = priv->mdev; 535b1c2f631SDima Chumak dev_put(netdev); 536b1c2f631SDima Chumak 537b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 538b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 539b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 540b1c2f631SDima Chumak * 541b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 542b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 543b1c2f631SDima Chumak * removed. 544b1c2f631SDima Chumak * 545b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 546b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 547b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 548b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 549b1c2f631SDima Chumak */ 550b1c2f631SDima Chumak return mdev; 55177ab67b7SOr Gerlitz } 55277ab67b7SOr Gerlitz 55377ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 55477ab67b7SOr Gerlitz { 555a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 55677ab67b7SOr Gerlitz int err; 55777ab67b7SOr Gerlitz 558a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 559a6696735SMaxim Mikityanskiy if (!builder) 560a6696735SMaxim Mikityanskiy return -ENOMEM; 561a6696735SMaxim Mikityanskiy 56277ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 56377ab67b7SOr Gerlitz if (err) 564a6696735SMaxim Mikityanskiy goto out; 56577ab67b7SOr Gerlitz 566a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 567a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 56877ab67b7SOr Gerlitz if (err) 56977ab67b7SOr Gerlitz goto create_tir_err; 57077ab67b7SOr Gerlitz 571a6696735SMaxim Mikityanskiy out: 572a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 573a6696735SMaxim Mikityanskiy return err; 57477ab67b7SOr Gerlitz 57577ab67b7SOr Gerlitz create_tir_err: 57677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 577a6696735SMaxim Mikityanskiy 578a6696735SMaxim Mikityanskiy goto out; 57977ab67b7SOr Gerlitz } 58077ab67b7SOr Gerlitz 58177ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 58277ab67b7SOr Gerlitz { 583a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 58477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 58577ab67b7SOr Gerlitz } 58677ab67b7SOr Gerlitz 5873f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5883f6d08d1SOr Gerlitz { 5893f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5903f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 59106e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 59206e9f13aSMaxim Mikityanskiy int err; 5933f6d08d1SOr Gerlitz 59406e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 59506e9f13aSMaxim Mikityanskiy if (!indir) 5963f6d08d1SOr Gerlitz return -ENOMEM; 5973f6d08d1SOr Gerlitz 59843befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 59906e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 60043ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 60143ec0f41SMaxim Mikityanskiy indir); 6023f6d08d1SOr Gerlitz 60306e9f13aSMaxim Mikityanskiy kvfree(indir); 6043f6d08d1SOr Gerlitz return err; 6053f6d08d1SOr Gerlitz } 6063f6d08d1SOr Gerlitz 6073f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 6083f6d08d1SOr Gerlitz { 6093f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 61043ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 611d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 612a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 613a6696735SMaxim Mikityanskiy int err = 0; 614a6696735SMaxim Mikityanskiy 615a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 616a6696735SMaxim Mikityanskiy if (!builder) 617a6696735SMaxim Mikityanskiy return -ENOMEM; 618a6696735SMaxim Mikityanskiy 61943ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 62265d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 623d930ac79SAya Levin 62465d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 6253f6d08d1SOr Gerlitz 626a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 627a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 628a6696735SMaxim Mikityanskiy false); 62943ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 630bbeb53b8SAya Levin 631a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 6323f6d08d1SOr Gerlitz if (err) { 6333f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6343f6d08d1SOr Gerlitz goto err_destroy_tirs; 6353f6d08d1SOr Gerlitz } 636a6696735SMaxim Mikityanskiy 637a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 6383f6d08d1SOr Gerlitz } 639a6696735SMaxim Mikityanskiy 640a6696735SMaxim Mikityanskiy out: 641a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 642a6696735SMaxim Mikityanskiy return err; 6433f6d08d1SOr Gerlitz 6443f6d08d1SOr Gerlitz err_destroy_tirs: 645a6696735SMaxim Mikityanskiy max_tt = tt; 646a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 647a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 648a6696735SMaxim Mikityanskiy 649a6696735SMaxim Mikityanskiy goto out; 6503f6d08d1SOr Gerlitz } 6513f6d08d1SOr Gerlitz 6523f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6533f6d08d1SOr Gerlitz { 6543f6d08d1SOr Gerlitz int tt; 6553f6d08d1SOr Gerlitz 6563f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 657a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 6583f6d08d1SOr Gerlitz } 6593f6d08d1SOr Gerlitz 6603f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6613f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6623f6d08d1SOr Gerlitz { 6633f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6643f6d08d1SOr Gerlitz int tt; 6653f6d08d1SOr Gerlitz 6663f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6673f6d08d1SOr Gerlitz 668bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 669bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 670bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 671bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 672bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 673bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 674bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 675bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 676bc29764eSMaor Gottlieb } 6773f6d08d1SOr Gerlitz 6783f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6793f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6803f6d08d1SOr Gerlitz } 6813f6d08d1SOr Gerlitz 6823f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6833f6d08d1SOr Gerlitz { 6843f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6853f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6863f6d08d1SOr Gerlitz int err; 6873f6d08d1SOr Gerlitz 6883f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6893f6d08d1SOr Gerlitz if (err) 6903f6d08d1SOr Gerlitz return err; 6913f6d08d1SOr Gerlitz 6923f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6933f6d08d1SOr Gerlitz if (err) 6943f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6953f6d08d1SOr Gerlitz 6963f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 697f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 698f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 699f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 7003f6d08d1SOr Gerlitz goto err_create_ttc_table; 701f4b45940SMaor Gottlieb } 7023f6d08d1SOr Gerlitz 7033f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 704f4b45940SMaor Gottlieb hp->num_channels, 705f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 7063f6d08d1SOr Gerlitz 7073f6d08d1SOr Gerlitz return 0; 7083f6d08d1SOr Gerlitz 7093f6d08d1SOr Gerlitz err_create_ttc_table: 7103f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7113f6d08d1SOr Gerlitz err_create_indirect_tirs: 71206e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 7133f6d08d1SOr Gerlitz 7143f6d08d1SOr Gerlitz return err; 7153f6d08d1SOr Gerlitz } 7163f6d08d1SOr Gerlitz 7173f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 7183f6d08d1SOr Gerlitz { 719f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 7203f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 72106e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 7223f6d08d1SOr Gerlitz } 7233f6d08d1SOr Gerlitz 72477ab67b7SOr Gerlitz static struct mlx5e_hairpin * 72577ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 72677ab67b7SOr Gerlitz int peer_ifindex) 72777ab67b7SOr Gerlitz { 72877ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 72977ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 73077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 73177ab67b7SOr Gerlitz int err; 73277ab67b7SOr Gerlitz 73377ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 73477ab67b7SOr Gerlitz if (!hp) 73577ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 73677ab67b7SOr Gerlitz 73777ab67b7SOr Gerlitz func_mdev = priv->mdev; 73877ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 739b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 740b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 741b1c2f631SDima Chumak goto create_pair_err; 742b1c2f631SDima Chumak } 74377ab67b7SOr Gerlitz 74477ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 74577ab67b7SOr Gerlitz if (IS_ERR(pair)) { 74677ab67b7SOr Gerlitz err = PTR_ERR(pair); 74777ab67b7SOr Gerlitz goto create_pair_err; 74877ab67b7SOr Gerlitz } 74977ab67b7SOr Gerlitz hp->pair = pair; 75077ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7513f6d08d1SOr Gerlitz hp->func_priv = priv; 7523f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 75377ab67b7SOr Gerlitz 75477ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 75577ab67b7SOr Gerlitz if (err) 75677ab67b7SOr Gerlitz goto create_transport_err; 75777ab67b7SOr Gerlitz 7583f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7593f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7603f6d08d1SOr Gerlitz if (err) 7613f6d08d1SOr Gerlitz goto rss_init_err; 7623f6d08d1SOr Gerlitz } 7633f6d08d1SOr Gerlitz 76477ab67b7SOr Gerlitz return hp; 76577ab67b7SOr Gerlitz 7663f6d08d1SOr Gerlitz rss_init_err: 7673f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 76877ab67b7SOr Gerlitz create_transport_err: 76977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 77077ab67b7SOr Gerlitz create_pair_err: 77177ab67b7SOr Gerlitz kfree(hp); 77277ab67b7SOr Gerlitz return ERR_PTR(err); 77377ab67b7SOr Gerlitz } 77477ab67b7SOr Gerlitz 77577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 77677ab67b7SOr Gerlitz { 7773f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7783f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 77977ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 78077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 78177ab67b7SOr Gerlitz kvfree(hp); 78277ab67b7SOr Gerlitz } 78377ab67b7SOr Gerlitz 784106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 785106be53bSOr Gerlitz { 786106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 787106be53bSOr Gerlitz } 788106be53bSOr Gerlitz 7895c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 790106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7915c65c564SOr Gerlitz { 7925c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 793106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7945c65c564SOr Gerlitz 7955c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 796106be53bSOr Gerlitz hairpin_hlist, hash_key) { 797e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 798e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7995c65c564SOr Gerlitz return hpe; 8005c65c564SOr Gerlitz } 801e4f9abbdSVlad Buslov } 8025c65c564SOr Gerlitz 8035c65c564SOr Gerlitz return NULL; 8045c65c564SOr Gerlitz } 8055c65c564SOr Gerlitz 806e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 807e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 808e4f9abbdSVlad Buslov { 809e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 810b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 811e4f9abbdSVlad Buslov return; 812b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 813b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 814e4f9abbdSVlad Buslov 815db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 816e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 817e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 818e4f9abbdSVlad Buslov 819e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 820db76ca24SVlad Buslov } 821db76ca24SVlad Buslov 822db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 823e4f9abbdSVlad Buslov kfree(hpe); 824e4f9abbdSVlad Buslov } 825e4f9abbdSVlad Buslov 826106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 827106be53bSOr Gerlitz 828106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 829e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 830e98bedf5SEli Britstein struct netlink_ext_ack *extack) 831106be53bSOr Gerlitz { 832106be53bSOr Gerlitz void *headers_c, *headers_v; 833106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 834106be53bSOr Gerlitz bool vlan_present; 835106be53bSOr Gerlitz 836106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 837106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 838e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 839e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 840106be53bSOr Gerlitz return -EOPNOTSUPP; 841106be53bSOr Gerlitz } 842106be53bSOr Gerlitz #endif 843106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 844106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 845106be53bSOr Gerlitz 846106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 847106be53bSOr Gerlitz if (vlan_present) { 848106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 849106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 850106be53bSOr Gerlitz } 851106be53bSOr Gerlitz 852106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 853106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 854106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 855e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 856e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 857106be53bSOr Gerlitz return -EOPNOTSUPP; 858106be53bSOr Gerlitz } 859106be53bSOr Gerlitz 860106be53bSOr Gerlitz *match_prio = prio_val; 861106be53bSOr Gerlitz return 0; 862106be53bSOr Gerlitz } 863106be53bSOr Gerlitz 8645c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8655c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 866e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 867e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8685c65c564SOr Gerlitz { 86998b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8705c65c564SOr Gerlitz struct mlx5_hairpin_params params; 871d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8725c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8735c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8743f6d08d1SOr Gerlitz u64 link_speed64; 8753f6d08d1SOr Gerlitz u32 link_speed; 876106be53bSOr Gerlitz u8 match_prio; 877d8822868SOr Gerlitz u16 peer_id; 8785c65c564SOr Gerlitz int err; 8795c65c564SOr Gerlitz 880d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 881b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 882b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 883b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 884b1c2f631SDima Chumak } 885b1c2f631SDima Chumak 886d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 887e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8885c65c564SOr Gerlitz return -EOPNOTSUPP; 8895c65c564SOr Gerlitz } 8905c65c564SOr Gerlitz 891d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 892e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 893e98bedf5SEli Britstein extack); 894106be53bSOr Gerlitz if (err) 895106be53bSOr Gerlitz return err; 896b32accdaSVlad Buslov 897b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 898106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 899db76ca24SVlad Buslov if (hpe) { 900db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 901db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 902db76ca24SVlad Buslov 903db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 904db76ca24SVlad Buslov err = -EREMOTEIO; 905db76ca24SVlad Buslov goto out_err; 906db76ca24SVlad Buslov } 9075c65c564SOr Gerlitz goto attach_flow; 908db76ca24SVlad Buslov } 9095c65c564SOr Gerlitz 9105c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 911b32accdaSVlad Buslov if (!hpe) { 912db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 913db76ca24SVlad Buslov return -ENOMEM; 914b32accdaSVlad Buslov } 9155c65c564SOr Gerlitz 91673edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 9175c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 918db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 919d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 920106be53bSOr Gerlitz hpe->prio = match_prio; 921e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 922db76ca24SVlad Buslov init_completion(&hpe->res_ready); 923db76ca24SVlad Buslov 924db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 925db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 926db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 9275c65c564SOr Gerlitz 9286cdc686aSAriel Levkovich params.log_data_size = 16; 9295c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 9305c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 9315c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 9325c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 9335c65c564SOr Gerlitz 934eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 935eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 936eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 937eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 938eb9180f7SOr Gerlitz 939eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 9403f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 9412c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 9423f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 9433f6d08d1SOr Gerlitz link_speed64 = link_speed; 9443f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 9453f6d08d1SOr Gerlitz params.num_channels = link_speed64; 9463f6d08d1SOr Gerlitz 9475c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 948db76ca24SVlad Buslov hpe->hp = hp; 949db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9505c65c564SOr Gerlitz if (IS_ERR(hp)) { 9515c65c564SOr Gerlitz err = PTR_ERR(hp); 952db76ca24SVlad Buslov goto out_err; 9535c65c564SOr Gerlitz } 9545c65c564SOr Gerlitz 955eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 956a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 95727b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 958eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9595c65c564SOr Gerlitz 9605c65c564SOr Gerlitz attach_flow: 9613f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 962226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 963f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 964f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 9653f6d08d1SOr Gerlitz } else { 966a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9673f6d08d1SOr Gerlitz } 968b32accdaSVlad Buslov 969e4f9abbdSVlad Buslov flow->hpe = hpe; 97073edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9715c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 97273edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9733f6d08d1SOr Gerlitz 9745c65c564SOr Gerlitz return 0; 9755c65c564SOr Gerlitz 976db76ca24SVlad Buslov out_err: 977db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9785c65c564SOr Gerlitz return err; 9795c65c564SOr Gerlitz } 9805c65c564SOr Gerlitz 9815c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9825c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9835c65c564SOr Gerlitz { 9845a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 985e4f9abbdSVlad Buslov if (!flow->hpe) 9865a7e5bcbSVlad Buslov return; 9875a7e5bcbSVlad Buslov 98873edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9895c65c564SOr Gerlitz list_del(&flow->hairpin); 99073edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 99173edca73SVlad Buslov 992e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 993e4f9abbdSVlad Buslov flow->hpe = NULL; 9945c65c564SOr Gerlitz } 9955c65c564SOr Gerlitz 99608247066SAriel Levkovich struct mlx5_flow_handle * 99708247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 99808247066SAriel Levkovich struct mlx5_flow_spec *spec, 999c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1000e8f887acSAmir Vadai { 100108247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 100267d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 1003c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 10046a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 10055c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 100666958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 10073bc4b7bfSOr Gerlitz .action = attr->action, 1008bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 100966958ed9SHadar Hen Zion }; 101008247066SAriel Levkovich struct mlx5_flow_handle *rule; 1011c7569097SAriel Levkovich struct mlx5_flow_table *ft; 101208247066SAriel Levkovich int dest_ix = 0; 1013e8f887acSAmir Vadai 1014bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1015c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1016bb0ee7dcSJianbo Liu 1017aedd133dSAriel Levkovich if (attr->dest_ft) { 1018aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1019aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1020aedd133dSAriel Levkovich dest_ix++; 1021aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 10223f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1023c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 102408247066SAriel Levkovich dest_ix++; 1025c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 10265c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1027c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 10283f6d08d1SOr Gerlitz dest_ix++; 10293f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 10305c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1031c7569097SAriel Levkovich if (attr->dest_chain) { 1032c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1033c7569097SAriel Levkovich attr->dest_chain, 1, 1034c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1035c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1036c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1037c7569097SAriel Levkovich } else { 10386783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 1039c7569097SAriel Levkovich } 10405c65c564SOr Gerlitz dest_ix++; 10415c65c564SOr Gerlitz } 1042aad7e08dSAmir Vadai 1043c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1044c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1045c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1046c7569097SAriel Levkovich 104708247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 10485c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 104908247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 10505c65c564SOr Gerlitz dest_ix++; 1051aad7e08dSAmir Vadai } 1052aad7e08dSAmir Vadai 105308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10542b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10552f4fe4caSOr Gerlitz 10566a064674SAriel Levkovich mutex_lock(&tc->t_lock); 10576a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 10586a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 10596a064674SAriel Levkovich tc->t = 1060c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 106121b9c144SOr Gerlitz 10626a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10636a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1064e8f887acSAmir Vadai netdev_err(priv->netdev, 1065e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1066c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1067c7569097SAriel Levkovich goto err_ft_get; 1068e8f887acSAmir Vadai } 1069e8f887acSAmir Vadai } 107008247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1071e8f887acSAmir Vadai 1072aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1073c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1074c7569097SAriel Levkovich attr->chain, attr->prio, 1075c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1076aedd133dSAriel Levkovich else 1077aedd133dSAriel Levkovich ft = attr->ft; 1078aedd133dSAriel Levkovich 1079c7569097SAriel Levkovich if (IS_ERR(ft)) { 1080c7569097SAriel Levkovich rule = ERR_CAST(ft); 1081c7569097SAriel Levkovich goto err_ft_get; 1082c7569097SAriel Levkovich } 1083c7569097SAriel Levkovich 1084c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 108508247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 108638aa51c1SOr Gerlitz 1087c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10885c65c564SOr Gerlitz &flow_act, dest, dest_ix); 108908247066SAriel Levkovich if (IS_ERR(rule)) 1090c7569097SAriel Levkovich goto err_rule; 109108247066SAriel Levkovich 109208247066SAriel Levkovich return rule; 1093c7569097SAriel Levkovich 1094c7569097SAriel Levkovich err_rule: 1095aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1096c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1097c7569097SAriel Levkovich attr->chain, attr->prio, 1098c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1099c7569097SAriel Levkovich err_ft_get: 1100c7569097SAriel Levkovich if (attr->dest_chain) 1101c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1102c7569097SAriel Levkovich attr->dest_chain, 1, 1103c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1104c7569097SAriel Levkovich 1105c7569097SAriel Levkovich return ERR_CAST(rule); 110608247066SAriel Levkovich } 110708247066SAriel Levkovich 110808247066SAriel Levkovich static int 1109df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1110df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1111df67ad62SRoi Dayan 1112df67ad62SRoi Dayan { 1113df67ad62SRoi Dayan struct mlx5_fc *counter; 1114df67ad62SRoi Dayan 1115df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1116df67ad62SRoi Dayan if (IS_ERR(counter)) 1117df67ad62SRoi Dayan return PTR_ERR(counter); 1118df67ad62SRoi Dayan 1119df67ad62SRoi Dayan attr->counter = counter; 1120df67ad62SRoi Dayan return 0; 1121df67ad62SRoi Dayan } 1122df67ad62SRoi Dayan 1123df67ad62SRoi Dayan static int 112408247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 112508247066SAriel Levkovich struct mlx5e_tc_flow *flow, 112608247066SAriel Levkovich struct netlink_ext_ack *extack) 112708247066SAriel Levkovich { 1128c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1129c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 113008247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 113108247066SAriel Levkovich int err; 113208247066SAriel Levkovich 1133c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1134c6cfe113SRoi Dayan 113508247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 113608247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 113708247066SAriel Levkovich if (err) 113808247066SAriel Levkovich return err; 113908247066SAriel Levkovich } 114008247066SAriel Levkovich 114108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1142df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1143df67ad62SRoi Dayan if (err) 1144df67ad62SRoi Dayan return err; 114508247066SAriel Levkovich } 114608247066SAriel Levkovich 114708247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 114808247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 11492c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 115008247066SAriel Levkovich if (err) 115108247066SAriel Levkovich return err; 115208247066SAriel Levkovich } 115308247066SAriel Levkovich 115484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1155a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1156aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1157aedd133dSAriel Levkovich else 115808247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 115908247066SAriel Levkovich attr); 1160e8f887acSAmir Vadai 1161a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1162e8f887acSAmir Vadai } 1163e8f887acSAmir Vadai 116408247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1165c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1166c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 116708247066SAriel Levkovich { 116867d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 1169c7569097SAriel Levkovich 117008247066SAriel Levkovich mlx5_del_flow_rules(rule); 1171c7569097SAriel Levkovich 1172aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1173c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1174c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1175c7569097SAriel Levkovich 1176c7569097SAriel Levkovich if (attr->dest_chain) 1177c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1178c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 117908247066SAriel Levkovich } 118008247066SAriel Levkovich 1181d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1182d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1183d85cdccbSOr Gerlitz { 1184c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11856a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1186d85cdccbSOr Gerlitz 1187c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1188c7569097SAriel Levkovich 118984ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1190a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1191aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1192aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1193aedd133dSAriel Levkovich 1194c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1195c7569097SAriel Levkovich * extra steering hops. 1196c7569097SAriel Levkovich */ 1197b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11986a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11996a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 120067d62ee7SRoi Dayan mlx5_chains_put_table(mlx5e_nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1201d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1202d85cdccbSOr Gerlitz } 1203b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 12042f4fe4caSOr Gerlitz 1205513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12063099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 12075c65c564SOr Gerlitz 1208972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1209aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1210aedd133dSAriel Levkovich 1211226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 12125c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1213c620b772SAriel Levkovich 12148300f225SRoi Dayan free_flow_post_acts(flow); 12158300f225SRoi Dayan 121688d97486SRoi Dayan kvfree(attr->parse_attr); 1217c620b772SAriel Levkovich kfree(flow->attr); 1218d85cdccbSOr Gerlitz } 1219d85cdccbSOr Gerlitz 12200d9f9647SVlad Buslov struct mlx5_flow_handle * 12216d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 12226d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 12236d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1224c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 12256d2a3ed0SOr Gerlitz { 12266d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 12274c3844d9SPaul Blakey 1228e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 122989e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 123089e39467SPaul Blakey 1231a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 12326d2a3ed0SOr Gerlitz 12336d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 12346d2a3ed0SOr Gerlitz return rule; 12356d2a3ed0SOr Gerlitz 1236c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 12376d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 123884ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 123984ba8062SRoi Dayan goto err_rule1; 12406d2a3ed0SOr Gerlitz } 12416d2a3ed0SOr Gerlitz 12426d2a3ed0SOr Gerlitz return rule; 124384ba8062SRoi Dayan 124484ba8062SRoi Dayan err_rule1: 1245a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 124684ba8062SRoi Dayan return flow->rule[1]; 12476d2a3ed0SOr Gerlitz } 12486d2a3ed0SOr Gerlitz 12490d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 12506d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1251c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 12526d2a3ed0SOr Gerlitz { 1253226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 12546d2a3ed0SOr Gerlitz 1255e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 125684ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 125789e39467SPaul Blakey 1258c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12596d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12606d2a3ed0SOr Gerlitz 1261a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 12626d2a3ed0SOr Gerlitz } 12636d2a3ed0SOr Gerlitz 12640d9f9647SVlad Buslov struct mlx5_flow_handle * 12655dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12665dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1267178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12685dbe906fSPaul Blakey { 1269c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12705dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12715dbe906fSPaul Blakey 1272c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1273c620b772SAriel Levkovich if (!slow_attr) 1274c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12755dbe906fSPaul Blakey 1276c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1277c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1278c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1279e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1280c620b772SAriel Levkovich 1281c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12825dbe906fSPaul Blakey if (!IS_ERR(rule)) 1283226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12845dbe906fSPaul Blakey 1285c620b772SAriel Levkovich kfree(slow_attr); 1286c620b772SAriel Levkovich 12875dbe906fSPaul Blakey return rule; 12885dbe906fSPaul Blakey } 12895dbe906fSPaul Blakey 12900d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1291178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12925dbe906fSPaul Blakey { 1293c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1294178f69b4SEli Cohen 1295c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12965efbe617SAriel Levkovich if (!slow_attr) { 12975efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12985efbe617SAriel Levkovich return; 12995efbe617SAriel Levkovich } 1300c620b772SAriel Levkovich 1301c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1302c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1303c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1304e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1305c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1306226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1307c620b772SAriel Levkovich kfree(slow_attr); 13085dbe906fSPaul Blakey } 13095dbe906fSPaul Blakey 1310ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1311ad86755bSVlad Buslov * function. 1312ad86755bSVlad Buslov */ 1313ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1314ad86755bSVlad Buslov struct list_head *unready_flows) 1315ad86755bSVlad Buslov { 1316ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1317ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1318ad86755bSVlad Buslov } 1319ad86755bSVlad Buslov 1320ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1321ad86755bSVlad Buslov * function. 1322ad86755bSVlad Buslov */ 1323ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1324ad86755bSVlad Buslov { 1325ad86755bSVlad Buslov list_del(&flow->unready); 1326ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1327ad86755bSVlad Buslov } 1328ad86755bSVlad Buslov 1329b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1330b4a23329SRoi Dayan { 1331b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1332b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1333b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1334b4a23329SRoi Dayan 1335b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1336b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1337b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1338b4a23329SRoi Dayan 1339ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1340ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1341ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1342b4a23329SRoi Dayan } 1343b4a23329SRoi Dayan 1344b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1345b4a23329SRoi Dayan { 1346ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1347ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1348ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1349ad86755bSVlad Buslov 1350ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1351ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1352ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1353ad86755bSVlad Buslov 1354ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1355ad86755bSVlad Buslov unready_flow_del(flow); 1356ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1357b4a23329SRoi Dayan } 1358b4a23329SRoi Dayan 1359a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 136010742efcSVlad Buslov { 136110742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 136210742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 136310742efcSVlad Buslov 136410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 136510742efcSVlad Buslov out_mdev = out_priv->mdev; 136610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 136710742efcSVlad Buslov route_mdev = route_priv->mdev; 136810742efcSVlad Buslov 136910742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 137010742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 137110742efcSVlad Buslov return false; 137210742efcSVlad Buslov 1373ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 137410742efcSVlad Buslov } 137510742efcSVlad Buslov 1376a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 137710742efcSVlad Buslov { 137810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1379f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 138010742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 138110742efcSVlad Buslov struct mlx5_eswitch *esw; 138210742efcSVlad Buslov u16 vhca_id; 138310742efcSVlad Buslov int err; 138410742efcSVlad Buslov 138510742efcSVlad Buslov out_priv = netdev_priv(out_dev); 138610742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 138710742efcSVlad Buslov route_priv = netdev_priv(route_dev); 138810742efcSVlad Buslov route_mdev = route_priv->mdev; 138910742efcSVlad Buslov 139010742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1391f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1392f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1393f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1394f9d196bdSDmytro Linkin * eswitch. 1395f9d196bdSDmytro Linkin */ 139610742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1397f9d196bdSDmytro Linkin if (err != -ENOENT) 1398f9d196bdSDmytro Linkin return err; 1399f9d196bdSDmytro Linkin 1400f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1401f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1402f9d196bdSDmytro Linkin if (!esw) 1403f9d196bdSDmytro Linkin return -ENODEV; 1404f9d196bdSDmytro Linkin } 1405f9d196bdSDmytro Linkin 1406f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1407f9d196bdSDmytro Linkin if (devcom) 1408f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 140910742efcSVlad Buslov return err; 141010742efcSVlad Buslov } 141110742efcSVlad Buslov 1412c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1413ff993167SRoi Dayan struct mlx5e_tc_flow *flow, 1414ff993167SRoi Dayan struct mlx5_flow_attr *attr) 1415c7b9038dSVlad Buslov { 1416ff993167SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 1417c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1418c7b9038dSVlad Buslov 1419c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1420e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1421c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1422c7b9038dSVlad Buslov mod_hdr_acts->actions); 1423c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1424c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1425c7b9038dSVlad Buslov 1426ff993167SRoi Dayan WARN_ON(attr->modify_hdr); 1427ff993167SRoi Dayan attr->modify_hdr = mod_hdr; 1428c7b9038dSVlad Buslov 1429c7b9038dSVlad Buslov return 0; 1430c7b9038dSVlad Buslov } 1431c7b9038dSVlad Buslov 1432c83954abSRabie Loulou static int 143339542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 143439542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1435c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 143639542e23SRoi Dayan struct netlink_ext_ack *extack, 143739542e23SRoi Dayan bool *encap_valid, 143839542e23SRoi Dayan bool *vf_tun) 143939542e23SRoi Dayan { 144039542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 144139542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 144239542e23SRoi Dayan struct net_device *encap_dev = NULL; 144339542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 144439542e23SRoi Dayan struct mlx5e_priv *out_priv; 144539542e23SRoi Dayan int out_index; 144639542e23SRoi Dayan int err = 0; 144739542e23SRoi Dayan 14488300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 14498300f225SRoi Dayan return 0; 14508300f225SRoi Dayan 145139542e23SRoi Dayan parse_attr = attr->parse_attr; 145239542e23SRoi Dayan esw_attr = attr->esw_attr; 145339542e23SRoi Dayan *vf_tun = false; 145439542e23SRoi Dayan *encap_valid = true; 145539542e23SRoi Dayan 145639542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 145739542e23SRoi Dayan struct net_device *out_dev; 145839542e23SRoi Dayan int mirred_ifindex; 145939542e23SRoi Dayan 146039542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 146139542e23SRoi Dayan continue; 146239542e23SRoi Dayan 146339542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 146439542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 146539542e23SRoi Dayan if (!out_dev) { 146639542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 146739542e23SRoi Dayan err = -ENODEV; 146839542e23SRoi Dayan goto out; 146939542e23SRoi Dayan } 1470c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 147139542e23SRoi Dayan extack, &encap_dev, encap_valid); 147239542e23SRoi Dayan dev_put(out_dev); 147339542e23SRoi Dayan if (err) 147439542e23SRoi Dayan goto out; 147539542e23SRoi Dayan 147639542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 147739542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 147839542e23SRoi Dayan !esw_attr->dest_int_port) 147939542e23SRoi Dayan *vf_tun = true; 148039542e23SRoi Dayan 148139542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 148239542e23SRoi Dayan rpriv = out_priv->ppriv; 148339542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 148439542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 148539542e23SRoi Dayan } 148639542e23SRoi Dayan 148739542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 148839542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 148939542e23SRoi Dayan err = -EOPNOTSUPP; 149039542e23SRoi Dayan goto out; 149139542e23SRoi Dayan } 149239542e23SRoi Dayan 149339542e23SRoi Dayan out: 149439542e23SRoi Dayan return err; 149539542e23SRoi Dayan } 149639542e23SRoi Dayan 149739542e23SRoi Dayan static void 149839542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 149939542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1500c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 150139542e23SRoi Dayan bool *vf_tun) 150239542e23SRoi Dayan { 150339542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 150439542e23SRoi Dayan int out_index; 150539542e23SRoi Dayan 15068300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 15078300f225SRoi Dayan return; 15088300f225SRoi Dayan 150939542e23SRoi Dayan esw_attr = attr->esw_attr; 151039542e23SRoi Dayan *vf_tun = false; 151139542e23SRoi Dayan 151239542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 151339542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 151439542e23SRoi Dayan continue; 151539542e23SRoi Dayan 151639542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 151739542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 151839542e23SRoi Dayan !esw_attr->dest_int_port) 151939542e23SRoi Dayan *vf_tun = true; 152039542e23SRoi Dayan 1521c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 152239542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 152339542e23SRoi Dayan } 152439542e23SRoi Dayan } 152539542e23SRoi Dayan 152639542e23SRoi Dayan static int 152774491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1528e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1529e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1530adb4c123SOr Gerlitz { 1531adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1532c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1533c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1534c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 153539542e23SRoi Dayan bool vf_tun, encap_valid; 153639ac237cSPaul Blakey u32 max_prio, max_chain; 15370ad060eeSRoi Dayan int err = 0; 15388b32580dSOr Gerlitz 1539b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1540b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1541b16eb3c8SAriel Levkovich 154284179981SPaul Blakey /* We check chain range only for tc flows. 154384179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 154484179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 154584179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 154684179981SPaul Blakey */ 1547ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 154884179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 154961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 155061644c3dSRoi Dayan "Requested chain is out of supported range"); 15518914add2SVlad Buslov err = -EOPNOTSUPP; 15528914add2SVlad Buslov goto err_out; 1553bf07aa73SPaul Blakey } 1554bf07aa73SPaul Blakey 1555ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1556bf07aa73SPaul Blakey if (attr->prio > max_prio) { 155761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 155861644c3dSRoi Dayan "Requested priority is out of supported range"); 15598914add2SVlad Buslov err = -EOPNOTSUPP; 15608914add2SVlad Buslov goto err_out; 1561bf07aa73SPaul Blakey } 1562bf07aa73SPaul Blakey 1563777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1564777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1565777bb800SVlad Buslov if (err) 15668914add2SVlad Buslov goto err_out; 1567b16eb3c8SAriel Levkovich 15685b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 15695b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1570b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1571b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1572b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1573b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1574b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1575b16eb3c8SAriel Levkovich * from the proper chain. 1576b16eb3c8SAriel Levkovich */ 1577b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1578b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1579b16eb3c8SAriel Levkovich 1580b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1581b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1582b16eb3c8SAriel Levkovich metadata); 1583b16eb3c8SAriel Levkovich if (err) 158431108d14SChristophe JAILLET goto err_out; 1585077cdda7SRoi Dayan 1586077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1587b16eb3c8SAriel Levkovich } 1588777bb800SVlad Buslov } 1589777bb800SVlad Buslov 159014e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 159114e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 159214e6b038SEli Cohen if (err) 15938914add2SVlad Buslov goto err_out; 159414e6b038SEli Cohen } 159514e6b038SEli Cohen 1596166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1597166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1598166f431eSAriel Levkovich 1599166f431eSAriel Levkovich if (attr->chain) { 1600166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1601166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 160231108d14SChristophe JAILLET err = -EOPNOTSUPP; 160331108d14SChristophe JAILLET goto err_out; 1604166f431eSAriel Levkovich } 1605166f431eSAriel Levkovich 1606166f431eSAriel Levkovich if (attr->dest_chain) { 1607166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1608166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 160931108d14SChristophe JAILLET err = -EOPNOTSUPP; 161031108d14SChristophe JAILLET goto err_out; 1611166f431eSAriel Levkovich } 1612166f431eSAriel Levkovich 1613166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1614166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1615166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1616166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1617166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 161831108d14SChristophe JAILLET if (IS_ERR(int_port)) { 161931108d14SChristophe JAILLET err = PTR_ERR(int_port); 162031108d14SChristophe JAILLET goto err_out; 162131108d14SChristophe JAILLET } 1622166f431eSAriel Levkovich 1623166f431eSAriel Levkovich esw_attr->int_port = int_port; 1624166f431eSAriel Levkovich } 1625166f431eSAriel Levkovich 1626c118ebc9SRoi Dayan err = set_encap_dests(priv, flow, attr, extack, &encap_valid, &vf_tun); 16270ad060eeSRoi Dayan if (err) 16288914add2SVlad Buslov goto err_out; 16290ad060eeSRoi Dayan 16308b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1631c83954abSRabie Loulou if (err) 16328914add2SVlad Buslov goto err_out; 1633adb4c123SOr Gerlitz 1634efe6f961SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16358914add2SVlad Buslov if (vf_tun) { 1636ff993167SRoi Dayan err = mlx5e_tc_add_flow_mod_hdr(priv, flow, attr); 16378914add2SVlad Buslov if (err) 16388914add2SVlad Buslov goto err_out; 16398914add2SVlad Buslov } else { 16401a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1641c83954abSRabie Loulou if (err) 16428914add2SVlad Buslov goto err_out; 16438914add2SVlad Buslov } 1644d7e75a32SOr Gerlitz } 1645d7e75a32SOr Gerlitz 1646b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1647df67ad62SRoi Dayan err = alloc_flow_attr_counter(esw_attr->counter_dev, attr); 1648df67ad62SRoi Dayan if (err) 16498914add2SVlad Buslov goto err_out; 16508914add2SVlad Buslov } 1651b8aee822SMark Bloch 16520ad060eeSRoi Dayan /* we get here if one of the following takes place: 16530ad060eeSRoi Dayan * (1) there's no error 16540ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 16553c37745eSOr Gerlitz */ 16568300f225SRoi Dayan if (!encap_valid || flow_flag_test(flow, SLOW)) 1657178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1658bc1d75faSRoi Dayan else 16596d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 16605dbe906fSPaul Blakey 16618914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 16628914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 16638914add2SVlad Buslov goto err_out; 16648914add2SVlad Buslov } 1665226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1666c83954abSRabie Loulou 16675dbe906fSPaul Blakey return 0; 16688914add2SVlad Buslov 16698914add2SVlad Buslov err_out: 16708914add2SVlad Buslov flow_flag_set(flow, FAILED); 16718914add2SVlad Buslov return err; 1672aa0cbbaeSOr Gerlitz } 1673d85cdccbSOr Gerlitz 16749272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 16759272e3dfSYevgeny Kliteynik { 1676c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 16779272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 16789272e3dfSYevgeny Kliteynik spec->match_value, 16799272e3dfSYevgeny Kliteynik misc_parameters_3); 16809272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 16819272e3dfSYevgeny Kliteynik headers_v, 16829272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 16839272e3dfSYevgeny Kliteynik 16849272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 16859272e3dfSYevgeny Kliteynik } 16869272e3dfSYevgeny Kliteynik 1687d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1688d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1689d85cdccbSOr Gerlitz { 1690d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1691c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1692777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 169339542e23SRoi Dayan bool vf_tun; 1694d85cdccbSOr Gerlitz 1695777bb800SVlad Buslov esw_attr = attr->esw_attr; 16960a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 16970a7fcb78SPaul Blakey 169812a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1699b4a23329SRoi Dayan remove_unready_flow(flow); 1700ef06c9eeSRoi Dayan 1701226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1702226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1703178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 17045dbe906fSPaul Blakey else 17055dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 17065dbe906fSPaul Blakey } 1707362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1708d85cdccbSOr Gerlitz 17099272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 17109272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 17119272e3dfSYevgeny Kliteynik 1712513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1713d85cdccbSOr Gerlitz 1714777bb800SVlad Buslov if (flow->decap_route) 1715777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1716777bb800SVlad Buslov 1717c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 1718d7e75a32SOr Gerlitz 1719aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 17204c8594adSRoi Dayan 1721c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 17222c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 17238914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 17248914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 17258914add2SVlad Buslov else 17261a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1727c7b9038dSVlad Buslov } 1728b8aee822SMark Bloch 1729b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1730777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 173114e6b038SEli Cohen 1732166f431eSAriel Levkovich if (esw_attr->int_port) 1733166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1734166f431eSAriel Levkovich 173527484f71SAriel Levkovich if (esw_attr->dest_int_port) 173627484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 173727484f71SAriel Levkovich 173814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 173914e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1740c620b772SAriel Levkovich 17418300f225SRoi Dayan free_flow_post_acts(flow); 17428300f225SRoi Dayan 174388d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 174488d97486SRoi Dayan kvfree(attr->parse_attr); 1745c620b772SAriel Levkovich kfree(flow->attr); 1746d85cdccbSOr Gerlitz } 1747d85cdccbSOr Gerlitz 17480d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1749b8aee822SMark Bloch { 17508300f225SRoi Dayan struct mlx5_flow_attr *attr; 17518300f225SRoi Dayan 17528300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 17538300f225SRoi Dayan return attr->counter; 1754b8aee822SMark Bloch } 1755b8aee822SMark Bloch 17566a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1757021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 17586a06c2f7SVlad Buslov { 17596a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 17606a06c2f7SVlad Buslov 17616a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 17626a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 17636a06c2f7SVlad Buslov } 17646a06c2f7SVlad Buslov 176504de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 176604de7ddaSRoi Dayan { 176704de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 176804de7ddaSRoi Dayan 1769226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1770226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 177104de7ddaSRoi Dayan return; 177204de7ddaSRoi Dayan 177304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 177404de7ddaSRoi Dayan list_del(&flow->peer); 177504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 177604de7ddaSRoi Dayan 1777226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 177804de7ddaSRoi Dayan 1779eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 178004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1781a23dae79SRoi Dayan kfree(flow->peer_flow); 1782eb252c3aSRoi Dayan } 1783eb252c3aSRoi Dayan 178404de7ddaSRoi Dayan flow->peer_flow = NULL; 178504de7ddaSRoi Dayan } 178604de7ddaSRoi Dayan 178704de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 178804de7ddaSRoi Dayan { 178904de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 179004de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 179104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 179204de7ddaSRoi Dayan 179304de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 179404de7ddaSRoi Dayan if (!peer_esw) 179504de7ddaSRoi Dayan return; 179604de7ddaSRoi Dayan 179704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 179804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 179904de7ddaSRoi Dayan } 180004de7ddaSRoi Dayan 1801e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1802961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1803e8f887acSAmir Vadai { 1804226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 180504de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1806d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 180704de7ddaSRoi Dayan } else { 1808d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1809e8f887acSAmir Vadai } 181004de7ddaSRoi Dayan } 1811e8f887acSAmir Vadai 1812ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1813bbd00f7eSHadar Hen Zion { 1814f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18150a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 18160a7fcb78SPaul Blakey const struct flow_action_entry *act; 18170a7fcb78SPaul Blakey int i; 1818bbd00f7eSHadar Hen Zion 1819ee950e5dSChris Mi if (chain) 1820ee950e5dSChris Mi return false; 1821ee950e5dSChris Mi 18220a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 18230a7fcb78SPaul Blakey switch (act->id) { 18240a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 18250a7fcb78SPaul Blakey return true; 1826ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1827ee950e5dSChris Mi return true; 18280a7fcb78SPaul Blakey default: 18290a7fcb78SPaul Blakey continue; 1830fe1587a7SDmytro Linkin } 18312e72eb43SOr Gerlitz } 1832bbd00f7eSHadar Hen Zion 18330a7fcb78SPaul Blakey return false; 18340a7fcb78SPaul Blakey } 1835bcef735cSOr Gerlitz 18360a7fcb78SPaul Blakey static int 18370a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 18380a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 18390a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 18400a7fcb78SPaul Blakey bool *dont_care) 18410a7fcb78SPaul Blakey { 18420a7fcb78SPaul Blakey struct geneve_opt *opt; 18430a7fcb78SPaul Blakey int off = 0; 1844bcef735cSOr Gerlitz 18450a7fcb78SPaul Blakey *dont_care = true; 1846bcef735cSOr Gerlitz 18470a7fcb78SPaul Blakey while (opts->len > off) { 18480a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1849e98bedf5SEli Britstein 18500a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 18510a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 18520a7fcb78SPaul Blakey *dont_care = false; 18530a7fcb78SPaul Blakey 1854c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1855d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1856c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 18570a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 18580a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18590a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1860e98bedf5SEli Britstein return -EOPNOTSUPP; 1861e98bedf5SEli Britstein } 1862bcef735cSOr Gerlitz } 1863bcef735cSOr Gerlitz 18640a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1865bbd00f7eSHadar Hen Zion } 1866bbd00f7eSHadar Hen Zion 1867bbd00f7eSHadar Hen Zion return 0; 1868bbd00f7eSHadar Hen Zion } 1869bbd00f7eSHadar Hen Zion 18700a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 18710a7fcb78SPaul Blakey ({ \ 18720a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 18730a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 18740a7fcb78SPaul Blakey \ 18750a7fcb78SPaul Blakey memcpy(__dst,\ 18760a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 18770a7fcb78SPaul Blakey diss_key,\ 18780a7fcb78SPaul Blakey __rule->match.key),\ 18790a7fcb78SPaul Blakey sizeof(*__dst));\ 18800a7fcb78SPaul Blakey }) 18810a7fcb78SPaul Blakey 18820a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 18830a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18840a7fcb78SPaul Blakey struct flow_cls_offload *f, 18850a7fcb78SPaul Blakey struct net_device *filter_dev) 18868377629eSEli Britstein { 18870a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18880a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18890a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 18900a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1891d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 18920a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1893c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 18940a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18950a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 18960a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 18970a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18980a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18990a7fcb78SPaul Blakey u32 value, mask; 19000a7fcb78SPaul Blakey int err; 19010a7fcb78SPaul Blakey 19020a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 19030a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19040a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19050a7fcb78SPaul Blakey 19060a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 19070a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 19080a7fcb78SPaul Blakey &tunnel_key.enc_control); 19090a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 19100a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 19110a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 19120a7fcb78SPaul Blakey else 19130a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 19140a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 19150a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 19160a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 19170a7fcb78SPaul Blakey &tunnel_key.enc_tp); 19180a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 19190a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 19200a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 19210a7fcb78SPaul Blakey 19220a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 19230a7fcb78SPaul Blakey if (err) 19240a7fcb78SPaul Blakey return err; 19250a7fcb78SPaul Blakey 19260a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 19270a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 19280a7fcb78SPaul Blakey enc_opts_match.mask, 19290a7fcb78SPaul Blakey extack, 19300a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19310a7fcb78SPaul Blakey if (err) 19320a7fcb78SPaul Blakey goto err_enc_opts; 19330a7fcb78SPaul Blakey 19340a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1935d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1936d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1937d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1938d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1939d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1940d7a42ad0SRoi Dayan 19410a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1942d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 19430a7fcb78SPaul Blakey if (err) 19440a7fcb78SPaul Blakey goto err_enc_opts; 19450a7fcb78SPaul Blakey } 19460a7fcb78SPaul Blakey 19470a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 19480a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 19490a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 19500a7fcb78SPaul Blakey 19510a7fcb78SPaul Blakey if (attr->chain) { 19520a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 19530a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 19540a7fcb78SPaul Blakey } else { 19550a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 19560a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1957aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 19580a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 19590a7fcb78SPaul Blakey if (err) 19600a7fcb78SPaul Blakey goto err_set; 19610a7fcb78SPaul Blakey 19620a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 19630a7fcb78SPaul Blakey } 19640a7fcb78SPaul Blakey 196573a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 19660a7fcb78SPaul Blakey return 0; 19670a7fcb78SPaul Blakey 19680a7fcb78SPaul Blakey err_set: 19690a7fcb78SPaul Blakey if (enc_opts_id) 19700a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19710a7fcb78SPaul Blakey enc_opts_id); 19720a7fcb78SPaul Blakey err_enc_opts: 19730a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19740a7fcb78SPaul Blakey return err; 19750a7fcb78SPaul Blakey } 19760a7fcb78SPaul Blakey 19770a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 19780a7fcb78SPaul Blakey { 197973a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 198073a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 19810a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 19820a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19830a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19840a7fcb78SPaul Blakey 19850a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 19860a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19870a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19880a7fcb78SPaul Blakey 19890a7fcb78SPaul Blakey if (tun_id) 19900a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19910a7fcb78SPaul Blakey if (enc_opts_id) 19920a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19930a7fcb78SPaul Blakey enc_opts_id); 19940a7fcb78SPaul Blakey } 19950a7fcb78SPaul Blakey 1996fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1997fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1998fca53304SEli Britstein void *headers_c, void *headers_v) 19994a5d5d73SEli Britstein { 2000fca53304SEli Britstein bool ip_version_cap; 2001fca53304SEli Britstein 2002fca53304SEli Britstein ip_version_cap = outer ? 2003fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2004fca53304SEli Britstein ft_field_support.outer_ip_version) : 2005fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2006fca53304SEli Britstein ft_field_support.inner_ip_version); 2007fca53304SEli Britstein 2008fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2009fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2010fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2011fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2012fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2013fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2014fca53304SEli Britstein } else { 20154a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 20164a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 20174a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 20184a5d5d73SEli Britstein ntohs(match->key->n_proto)); 20194a5d5d73SEli Britstein } 2020fca53304SEli Britstein } 20214a5d5d73SEli Britstein 20220d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2023a508728aSVlad Buslov { 2024a508728aSVlad Buslov void *headers_v; 2025a508728aSVlad Buslov u16 ethertype; 2026a508728aSVlad Buslov u8 ip_version; 2027a508728aSVlad Buslov 2028a508728aSVlad Buslov if (outer) 2029a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2030a508728aSVlad Buslov else 2031a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2032a508728aSVlad Buslov 2033a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2034a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2035a508728aSVlad Buslov if (!ip_version) { 2036a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2037a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2038a508728aSVlad Buslov ip_version = 4; 2039a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2040a508728aSVlad Buslov ip_version = 6; 2041a508728aSVlad Buslov } 2042a508728aSVlad Buslov return ip_version; 2043a508728aSVlad Buslov } 2044a508728aSVlad Buslov 2045b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2046b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2047b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2048b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2049b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2050b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2051b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2052b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2053b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2054b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2055b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2056b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2057b6dfff21SPaul Blakey * 2058b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2059b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2060b6dfff21SPaul Blakey * 2061b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2062b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2063b6dfff21SPaul Blakey * 2064b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2065b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2066b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2067b6dfff21SPaul Blakey */ 2068b6dfff21SPaul Blakey 2069b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2070b6dfff21SPaul Blakey struct flow_cls_offload *f, 2071b6dfff21SPaul Blakey bool *match_inner_ecn) 2072b6dfff21SPaul Blakey { 2073b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2074b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2075b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2076b6dfff21SPaul Blakey struct flow_match_ip match; 2077b6dfff21SPaul Blakey 2078b6dfff21SPaul Blakey *match_inner_ecn = true; 2079b6dfff21SPaul Blakey 2080b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2081b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2082b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2083b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2084b6dfff21SPaul Blakey } 2085b6dfff21SPaul Blakey 2086b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2087b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2088b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2089b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2090b6dfff21SPaul Blakey } 2091b6dfff21SPaul Blakey 2092b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2093b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2094b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2095b6dfff21SPaul Blakey return -EOPNOTSUPP; 2096b6dfff21SPaul Blakey } 2097b6dfff21SPaul Blakey 2098b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2099b6dfff21SPaul Blakey if (!inner_ecn_mask) 2100b6dfff21SPaul Blakey return 0; 2101b6dfff21SPaul Blakey 2102b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2103b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2104b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2105b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2106b6dfff21SPaul Blakey return -EOPNOTSUPP; 2107b6dfff21SPaul Blakey } 2108b6dfff21SPaul Blakey 2109b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2110b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2111b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2112b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2113b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2114b6dfff21SPaul Blakey return -EOPNOTSUPP; 2115b6dfff21SPaul Blakey } 2116b6dfff21SPaul Blakey 2117b6dfff21SPaul Blakey if (!inner_ecn_mask) 2118b6dfff21SPaul Blakey return 0; 2119b6dfff21SPaul Blakey 2120b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2121b6dfff21SPaul Blakey 2122b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2123b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2124b6dfff21SPaul Blakey 2125b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2126b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2127b6dfff21SPaul Blakey return -EOPNOTSUPP; 2128b6dfff21SPaul Blakey } 2129b6dfff21SPaul Blakey 2130b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2131b6dfff21SPaul Blakey return 0; 2132b6dfff21SPaul Blakey 2133b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2134b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2135b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2136b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2137b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2138b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2139b6dfff21SPaul Blakey return -EOPNOTSUPP; 2140b6dfff21SPaul Blakey } 2141b6dfff21SPaul Blakey 2142b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2143b6dfff21SPaul Blakey * drop match on inner ecn 2144b6dfff21SPaul Blakey */ 2145b6dfff21SPaul Blakey *match_inner_ecn = false; 2146b6dfff21SPaul Blakey 2147b6dfff21SPaul Blakey return 0; 2148b6dfff21SPaul Blakey } 2149b6dfff21SPaul Blakey 21500a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 21510a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 21520a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 21530a7fcb78SPaul Blakey struct flow_cls_offload *f, 21540a7fcb78SPaul Blakey struct net_device *filter_dev, 21550a7fcb78SPaul Blakey u8 *match_level, 21560a7fcb78SPaul Blakey bool *match_inner) 21570a7fcb78SPaul Blakey { 2158a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 21590a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 21600a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21610a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 21620a7fcb78SPaul Blakey int err; 21630a7fcb78SPaul Blakey 21640885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 21650885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 21660a7fcb78SPaul Blakey return -EOPNOTSUPP; 21670885ae1aSAbhiram R N } 21680a7fcb78SPaul Blakey 2169c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2170ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 21710a7fcb78SPaul Blakey *match_inner = !needs_mapping; 21720a7fcb78SPaul Blakey 21730a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2174636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2175c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2176636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21770a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2178636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21790a7fcb78SPaul Blakey return -EOPNOTSUPP; 21800a7fcb78SPaul Blakey } 21810a7fcb78SPaul Blakey 2182c620b772SAriel Levkovich if (!flow->attr->chain) { 21830a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 21840a7fcb78SPaul Blakey match_level); 21850a7fcb78SPaul Blakey if (err) { 21860a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 21870a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21880a7fcb78SPaul Blakey netdev_warn(priv->netdev, 21890a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21900a7fcb78SPaul Blakey return err; 21910a7fcb78SPaul Blakey } 21920a7fcb78SPaul Blakey 219314e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 219414e6b038SEli Cohen * object 219514e6b038SEli Cohen */ 219614e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2197c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2198a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2199a508728aSVlad Buslov if (err) 2200a508728aSVlad Buslov return err; 2201a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2202a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2203a508728aSVlad Buslov 2204a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2205a508728aSVlad Buslov if (!tmp_spec) { 2206a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2207a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2208a508728aSVlad Buslov return -ENOMEM; 2209a508728aSVlad Buslov } 2210a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2211a508728aSVlad Buslov 2212a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2213a508728aSVlad Buslov if (err) { 2214a508728aSVlad Buslov kvfree(tmp_spec); 2215a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2216a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2217a508728aSVlad Buslov return err; 2218a508728aSVlad Buslov } 2219a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2220a508728aSVlad Buslov kvfree(tmp_spec); 2221a508728aSVlad Buslov if (err) 2222a508728aSVlad Buslov return err; 22230a7fcb78SPaul Blakey } 22240a7fcb78SPaul Blakey 22250a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 22260a7fcb78SPaul Blakey return 0; 22270a7fcb78SPaul Blakey 22280a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 22290a7fcb78SPaul Blakey } 22300a7fcb78SPaul Blakey 22310a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 22320a7fcb78SPaul Blakey { 22330a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 22340a7fcb78SPaul Blakey inner_headers); 22350a7fcb78SPaul Blakey } 22360a7fcb78SPaul Blakey 22370a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 22380a7fcb78SPaul Blakey { 22390a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 22400a7fcb78SPaul Blakey inner_headers); 22410a7fcb78SPaul Blakey } 22420a7fcb78SPaul Blakey 22430a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 22440a7fcb78SPaul Blakey { 22450a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 22460a7fcb78SPaul Blakey outer_headers); 22470a7fcb78SPaul Blakey } 22480a7fcb78SPaul Blakey 22490a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 22500a7fcb78SPaul Blakey { 22510a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 22528377629eSEli Britstein outer_headers); 22538377629eSEli Britstein } 22548377629eSEli Britstein 22558ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 22568377629eSEli Britstein { 22578377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 22580a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 22590a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 22600a7fcb78SPaul Blakey } 22610a7fcb78SPaul Blakey 22628ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 22630a7fcb78SPaul Blakey { 22640a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 22650a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 22660a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 22678377629eSEli Britstein } 22688377629eSEli Britstein 22696d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 22706d65bc64Swenxu struct flow_cls_offload *f) 22716d65bc64Swenxu { 22726d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22736d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 22746d65bc64Swenxu struct net_device *ingress_dev; 22756d65bc64Swenxu struct flow_match_meta match; 22766d65bc64Swenxu 22776d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 22786d65bc64Swenxu return 0; 22796d65bc64Swenxu 22806d65bc64Swenxu flow_rule_match_meta(rule, &match); 2281e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2282e3e0f9b2Swenxu return 0; 2283e3e0f9b2Swenxu 22846d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 22856d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2286a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 22876d65bc64Swenxu } 22886d65bc64Swenxu 22896d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 22906d65bc64Swenxu match.key->ingress_ifindex); 22916d65bc64Swenxu if (!ingress_dev) { 22926d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22936d65bc64Swenxu "Can't find the ingress port to match on"); 2294a683012aSPablo Neira Ayuso return -ENOENT; 22956d65bc64Swenxu } 22966d65bc64Swenxu 22976d65bc64Swenxu if (ingress_dev != filter_dev) { 22986d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22996d65bc64Swenxu "Can't match on the ingress filter port"); 2300a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 23016d65bc64Swenxu } 23026d65bc64Swenxu 23036d65bc64Swenxu return 0; 23046d65bc64Swenxu } 23056d65bc64Swenxu 230672046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 230772046a91SEli Cohen struct flow_cls_offload *f) 230872046a91SEli Cohen { 230972046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 231072046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 231172046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 231272046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 231372046a91SEli Cohen */ 231472046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 231572046a91SEli Cohen return true; 231672046a91SEli Cohen 231772046a91SEli Cohen return false; 231872046a91SEli Cohen } 231972046a91SEli Cohen 2320de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 23210a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2322de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2323f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 232454c177caSOz Shlomo struct net_device *filter_dev, 232593b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2326e3a2b7edSAmir Vadai { 2327e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2328c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2329c5bb1730SMaor Gottlieb outer_headers); 2330c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2331c5bb1730SMaor Gottlieb outer_headers); 2332699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2333699e96ddSJianbo Liu misc_parameters); 2334699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2335699e96ddSJianbo Liu misc_parameters); 2336a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2337a3222a2dSMaor Dickman misc_parameters_3); 2338a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2339a3222a2dSMaor Dickman misc_parameters_3); 2340f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 23418f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2342afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2343b6dfff21SPaul Blakey bool match_inner_ecn = true; 2344e3a2b7edSAmir Vadai u16 addr_type = 0; 2345e3a2b7edSAmir Vadai u8 ip_proto = 0; 234693b3586eSHuy Nguyen u8 *match_level; 23476d65bc64Swenxu int err; 2348e3a2b7edSAmir Vadai 2349afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 235093b3586eSHuy Nguyen match_level = outer_match_level; 2351de0af0bfSRoi Dayan 23528f256622SPablo Neira Ayuso if (dissector->used_keys & 23533d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 23543d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2355e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2356e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2357095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2358699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2359e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2360e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2361bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2362bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2363bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2364bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2365bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2366e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2367fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2368bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 23694c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 23709272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 237172046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2372a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 237372046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2374e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 237548470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 23768f256622SPablo Neira Ayuso dissector->used_keys); 2377e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2378e3a2b7edSAmir Vadai } 2379e3a2b7edSAmir Vadai 2380075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 23810a7fcb78SPaul Blakey bool match_inner = false; 2382bbd00f7eSHadar Hen Zion 23830a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 23840a7fcb78SPaul Blakey outer_match_level, &match_inner); 23850a7fcb78SPaul Blakey if (err) 23860a7fcb78SPaul Blakey return err; 23870a7fcb78SPaul Blakey 23880a7fcb78SPaul Blakey if (match_inner) { 23890a7fcb78SPaul Blakey /* header pointers should point to the inner headers 23900a7fcb78SPaul Blakey * if the packet was decapsulated already. 23910a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2392bbd00f7eSHadar Hen Zion */ 239393b3586eSHuy Nguyen match_level = inner_match_level; 23940a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 23950a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 23960a7fcb78SPaul Blakey } 2397b6dfff21SPaul Blakey 2398b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2399b6dfff21SPaul Blakey if (err) 2400b6dfff21SPaul Blakey return err; 2401bbd00f7eSHadar Hen Zion } 2402bbd00f7eSHadar Hen Zion 24036d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 24046d65bc64Swenxu if (err) 24056d65bc64Swenxu return err; 24066d65bc64Swenxu 240772046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 240872046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 24098f256622SPablo Neira Ayuso struct flow_match_basic match; 2410e3a2b7edSAmir Vadai 24118f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2412fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2413fca53304SEli Britstein match_level == outer_match_level, 2414fca53304SEli Britstein headers_c, headers_v); 24158f256622SPablo Neira Ayuso 24168f256622SPablo Neira Ayuso if (match.mask->n_proto) 2417d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2418e3a2b7edSAmir Vadai } 241935a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 242035a605dbSEli Britstein is_vlan_dev(filter_dev)) { 242135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 242235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 24238f256622SPablo Neira Ayuso struct flow_match_vlan match; 24248f256622SPablo Neira Ayuso 242535a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 242635a605dbSEli Britstein match.key = &filter_dev_key; 242735a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 242835a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 242935a605dbSEli Britstein match.key->vlan_priority = 0; 243035a605dbSEli Britstein match.mask = &filter_dev_mask; 243135a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 243235a605dbSEli Britstein match.mask->vlan_priority = 0; 243335a605dbSEli Britstein } else { 24348f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 243535a605dbSEli Britstein } 24368f256622SPablo Neira Ayuso if (match.mask->vlan_id || 24378f256622SPablo Neira Ayuso match.mask->vlan_priority || 24388f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 24398f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2440699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2441699e96ddSJianbo Liu svlan_tag, 1); 2442699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2443699e96ddSJianbo Liu svlan_tag, 1); 2444699e96ddSJianbo Liu } else { 2445699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2446699e96ddSJianbo Liu cvlan_tag, 1); 2447699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2448699e96ddSJianbo Liu cvlan_tag, 1); 2449699e96ddSJianbo Liu } 2450095b6cfdSOr Gerlitz 24518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 24528f256622SPablo Neira Ayuso match.mask->vlan_id); 24538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 24548f256622SPablo Neira Ayuso match.key->vlan_id); 2455358d79a4SOr Gerlitz 24568f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 24578f256622SPablo Neira Ayuso match.mask->vlan_priority); 24588f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 24598f256622SPablo Neira Ayuso match.key->vlan_priority); 246054782900SOr Gerlitz 2461d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2462095b6cfdSOr Gerlitz } 2463d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2464fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2465fc603294SMark Bloch * disabled in match value means both S & C tags 2466fc603294SMark Bloch * don't exist (untagged of both) 2467fc603294SMark Bloch */ 2468cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2469d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2470095b6cfdSOr Gerlitz } 2471095b6cfdSOr Gerlitz 24728f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 24738f256622SPablo Neira Ayuso struct flow_match_vlan match; 24748f256622SPablo Neira Ayuso 247512d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 24768f256622SPablo Neira Ayuso if (match.mask->vlan_id || 24778f256622SPablo Neira Ayuso match.mask->vlan_priority || 24788f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2479afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2480afe93f71SRoi Dayan fs_type)) { 2481afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2482afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2483afe93f71SRoi Dayan return -EOPNOTSUPP; 2484afe93f71SRoi Dayan } 2485afe93f71SRoi Dayan 24868f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2487699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2488699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2489699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2490699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2491699e96ddSJianbo Liu } else { 2492699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2493699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2494699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2495699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2496699e96ddSJianbo Liu } 2497699e96ddSJianbo Liu 2498699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 24998f256622SPablo Neira Ayuso match.mask->vlan_id); 2500699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 25018f256622SPablo Neira Ayuso match.key->vlan_id); 2502699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 25038f256622SPablo Neira Ayuso match.mask->vlan_priority); 2504699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 25058f256622SPablo Neira Ayuso match.key->vlan_priority); 2506699e96ddSJianbo Liu 2507699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 25080faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2509699e96ddSJianbo Liu } 2510699e96ddSJianbo Liu } 2511699e96ddSJianbo Liu 25128f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 25138f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 251454782900SOr Gerlitz 25158f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2516d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2517d3a80bb5SOr Gerlitz dmac_47_16), 25188f256622SPablo Neira Ayuso match.mask->dst); 2519d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2520d3a80bb5SOr Gerlitz dmac_47_16), 25218f256622SPablo Neira Ayuso match.key->dst); 2522d3a80bb5SOr Gerlitz 2523d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2524d3a80bb5SOr Gerlitz smac_47_16), 25258f256622SPablo Neira Ayuso match.mask->src); 2526d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2527d3a80bb5SOr Gerlitz smac_47_16), 25288f256622SPablo Neira Ayuso match.key->src); 2529d3a80bb5SOr Gerlitz 25308f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 25318f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2532d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 253354782900SOr Gerlitz } 253454782900SOr Gerlitz 25358f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 25368f256622SPablo Neira Ayuso struct flow_match_control match; 253754782900SOr Gerlitz 25388f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 25398f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 254054782900SOr Gerlitz 254154782900SOr Gerlitz /* the HW doesn't support frag first/later */ 25420885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 25430885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 254454782900SOr Gerlitz return -EOPNOTSUPP; 25450885ae1aSAbhiram R N } 254654782900SOr Gerlitz 25478f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 254854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 254954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 25508f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 255154782900SOr Gerlitz 255254782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 25538f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 255483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 255554782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 255654782900SOr Gerlitz else 255783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 255854782900SOr Gerlitz } 255954782900SOr Gerlitz } 256054782900SOr Gerlitz 25618f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 25628f256622SPablo Neira Ayuso struct flow_match_basic match; 25638f256622SPablo Neira Ayuso 25648f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 25658f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 256654782900SOr Gerlitz 256754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 25688f256622SPablo Neira Ayuso match.mask->ip_proto); 256954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 25708f256622SPablo Neira Ayuso match.key->ip_proto); 257154782900SOr Gerlitz 25728f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2573d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 257454782900SOr Gerlitz } 257554782900SOr Gerlitz 2576e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 25778f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2578e3a2b7edSAmir Vadai 25798f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2580e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2581e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 25828f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2583e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2584e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 25858f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2586e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2587e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 25888f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2589e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2590e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 25918f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2592de0af0bfSRoi Dayan 25938f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2594d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2595e3a2b7edSAmir Vadai } 2596e3a2b7edSAmir Vadai 2597e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 25988f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2599e3a2b7edSAmir Vadai 26008f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2601e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2602e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 26038f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2604e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2605e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 26068f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2607e3a2b7edSAmir Vadai 2608e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2609e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 26108f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2611e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2612e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 26138f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2614de0af0bfSRoi Dayan 26158f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 26168f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2617d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2618e3a2b7edSAmir Vadai } 2619e3a2b7edSAmir Vadai 26208f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 26218f256622SPablo Neira Ayuso struct flow_match_ip match; 26221f97a526SOr Gerlitz 26238f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2624b6dfff21SPaul Blakey if (match_inner_ecn) { 26258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 26268f256622SPablo Neira Ayuso match.mask->tos & 0x3); 26278f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 26288f256622SPablo Neira Ayuso match.key->tos & 0x3); 2629b6dfff21SPaul Blakey } 26301f97a526SOr Gerlitz 26318f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 26328f256622SPablo Neira Ayuso match.mask->tos >> 2); 26338f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 26348f256622SPablo Neira Ayuso match.key->tos >> 2); 26351f97a526SOr Gerlitz 26368f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 26378f256622SPablo Neira Ayuso match.mask->ttl); 26388f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 26398f256622SPablo Neira Ayuso match.key->ttl); 26401f97a526SOr Gerlitz 26418f256622SPablo Neira Ayuso if (match.mask->ttl && 2642a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2643e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2644e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2645e98bedf5SEli Britstein "Matching on TTL is not supported"); 26461f97a526SOr Gerlitz return -EOPNOTSUPP; 2647e98bedf5SEli Britstein } 2648a8ade55fSOr Gerlitz 26498f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2650d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 26511f97a526SOr Gerlitz } 26521f97a526SOr Gerlitz 265354782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 265454782900SOr Gerlitz 26558f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 26568f256622SPablo Neira Ayuso struct flow_match_ports match; 26578f256622SPablo Neira Ayuso 26588f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2659e3a2b7edSAmir Vadai switch (ip_proto) { 2660e3a2b7edSAmir Vadai case IPPROTO_TCP: 2661e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26628f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2663e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26648f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2665e3a2b7edSAmir Vadai 2666e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26678f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2668e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26698f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2670e3a2b7edSAmir Vadai break; 2671e3a2b7edSAmir Vadai 2672e3a2b7edSAmir Vadai case IPPROTO_UDP: 2673e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26748f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2675e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26768f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2677e3a2b7edSAmir Vadai 2678e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26798f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2680e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26818f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2682e3a2b7edSAmir Vadai break; 2683e3a2b7edSAmir Vadai default: 2684e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2685e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2686e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2687e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2688e3a2b7edSAmir Vadai return -EINVAL; 2689e3a2b7edSAmir Vadai } 2690de0af0bfSRoi Dayan 26918f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2692d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2693e3a2b7edSAmir Vadai } 2694e3a2b7edSAmir Vadai 26958f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 26968f256622SPablo Neira Ayuso struct flow_match_tcp match; 2697e77834ecSOr Gerlitz 26988f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2699e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 27008f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2701e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 27028f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2703e77834ecSOr Gerlitz 27048f256622SPablo Neira Ayuso if (match.mask->flags) 2705d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2706e77834ecSOr Gerlitz } 2707a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2708a3222a2dSMaor Dickman struct flow_match_icmp match; 2709e77834ecSOr Gerlitz 2710a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2711a3222a2dSMaor Dickman switch (ip_proto) { 2712a3222a2dSMaor Dickman case IPPROTO_ICMP: 2713a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 27140885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 27150885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 27160885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2717a3222a2dSMaor Dickman return -EOPNOTSUPP; 27180885ae1aSAbhiram R N } 2719a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2720a3222a2dSMaor Dickman match.mask->type); 2721a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2722a3222a2dSMaor Dickman match.key->type); 2723a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2724a3222a2dSMaor Dickman match.mask->code); 2725a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2726a3222a2dSMaor Dickman match.key->code); 2727a3222a2dSMaor Dickman break; 2728a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2729a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 27300885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 27310885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 27320885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2733a3222a2dSMaor Dickman return -EOPNOTSUPP; 27340885ae1aSAbhiram R N } 2735a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2736a3222a2dSMaor Dickman match.mask->type); 2737a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2738a3222a2dSMaor Dickman match.key->type); 2739a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2740a3222a2dSMaor Dickman match.mask->code); 2741a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2742a3222a2dSMaor Dickman match.key->code); 2743a3222a2dSMaor Dickman break; 2744a3222a2dSMaor Dickman default: 2745a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2746a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2747a3222a2dSMaor Dickman netdev_err(priv->netdev, 2748a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2749a3222a2dSMaor Dickman return -EINVAL; 2750a3222a2dSMaor Dickman } 2751a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2752a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2753a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2754a3222a2dSMaor Dickman } 2755a3222a2dSMaor Dickman } 275639c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 27577d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 27587d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 27597d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 27607d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 27617d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 27627d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 27637d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 27647d6c86e3SAlaa Hleihel } 27657d6c86e3SAlaa Hleihel 2766e3a2b7edSAmir Vadai return 0; 2767e3a2b7edSAmir Vadai } 2768e3a2b7edSAmir Vadai 2769de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 277065ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2771de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2772f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 277354c177caSOz Shlomo struct net_device *filter_dev) 2774de0af0bfSRoi Dayan { 277593b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2776e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2777de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2778de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 27791d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 27801d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2781226f2ca3SVlad Buslov bool is_eswitch_flow; 2782de0af0bfSRoi Dayan int err; 2783de0af0bfSRoi Dayan 278493b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 278593b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 278693b3586eSHuy Nguyen 27870a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 27880a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 278993b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 279093b3586eSHuy Nguyen outer_match_level : inner_match_level; 2791de0af0bfSRoi Dayan 2792226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2793226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 27941d447a39SSaeed Mahameed rep = rpriv->rep; 2795b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 27961d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 279793b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2798e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2799e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2800de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2801de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 280293b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2803de0af0bfSRoi Dayan return -EOPNOTSUPP; 2804de0af0bfSRoi Dayan } 2805de0af0bfSRoi Dayan } 2806de0af0bfSRoi Dayan 2807c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2808c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2809c620b772SAriel Levkovich 281038aa51c1SOr Gerlitz 2811de0af0bfSRoi Dayan return err; 2812de0af0bfSRoi Dayan } 2813de0af0bfSRoi Dayan 2814d79b6df6SOr Gerlitz struct mlx5_fields { 2815d79b6df6SOr Gerlitz u8 field; 281688f30bbcSDmytro Linkin u8 field_bsize; 281788f30bbcSDmytro Linkin u32 field_mask; 2818d79b6df6SOr Gerlitz u32 offset; 281927c11b6bSEli Britstein u32 match_offset; 2820d79b6df6SOr Gerlitz }; 2821d79b6df6SOr Gerlitz 282288f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 282388f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 282427c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 282527c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 282627c11b6bSEli Britstein 28272ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 28282ef86872SEli Britstein * match. 28292ef86872SEli Britstein */ 28302ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 28312ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 28322ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 28332ef86872SEli Britstein type maskx = *(type *)(maskp); \ 28342ef86872SEli Britstein type valx = *(type *)(valp); \ 28352ef86872SEli Britstein \ 28362ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 28372ef86872SEli Britstein matchmaskx)); \ 28382ef86872SEli Britstein }) 28392ef86872SEli Britstein 284027c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 284188f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 284227c11b6bSEli Britstein { 284327c11b6bSEli Britstein bool same = false; 284427c11b6bSEli Britstein 284588f30bbcSDmytro Linkin switch (bsize) { 284688f30bbcSDmytro Linkin case 8: 28472ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 284827c11b6bSEli Britstein break; 284988f30bbcSDmytro Linkin case 16: 28502ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 285127c11b6bSEli Britstein break; 285288f30bbcSDmytro Linkin case 32: 28532ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 285427c11b6bSEli Britstein break; 285527c11b6bSEli Britstein } 285627c11b6bSEli Britstein 285727c11b6bSEli Britstein return same; 285827c11b6bSEli Britstein } 2859a8e4f0c4SOr Gerlitz 2860d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 286188f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 286288f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 286388f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 286488f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 286588f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 286688f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2867d79b6df6SOr Gerlitz 2868ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 286988f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 287088f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 287188f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2872d79b6df6SOr Gerlitz 287388f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 287427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 287588f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 287627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 287788f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 287827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 287988f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 288027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 288188f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 288227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 288388f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 288427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 288588f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 288627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 288788f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 288827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 288988f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2890748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2891d79b6df6SOr Gerlitz 289288f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 289388f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 289488f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 289588f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2896d79b6df6SOr Gerlitz 289788f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 289888f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2899d79b6df6SOr Gerlitz }; 2900d79b6df6SOr Gerlitz 290182198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 290282198d8bSMaor Dickman { 290382198d8bSMaor Dickman __be32 mask_be32; 290482198d8bSMaor Dickman __be16 mask_be16; 290582198d8bSMaor Dickman 290682198d8bSMaor Dickman if (size == 32) { 290782198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 290882198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 290982198d8bSMaor Dickman } else if (size == 16) { 291082198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 291182198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 291282198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 291382198d8bSMaor Dickman } 291482198d8bSMaor Dickman 291582198d8bSMaor Dickman return mask; 291682198d8bSMaor Dickman } 291709bf9792SRoi Dayan 29186ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 29196ae4a6a5SPaul Blakey int namespace, 2920e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 292127c11b6bSEli Britstein u32 *action_flags, 2922e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2923d79b6df6SOr Gerlitz { 2924d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 292509bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 292688f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 292788f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 29286ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 292982198d8bSMaor Dickman unsigned long mask, field_mask; 29302c0e5cf5SPaul Blakey int i, first, last, next_z; 29312c0e5cf5SPaul Blakey struct mlx5_fields *f; 293288f30bbcSDmytro Linkin u8 cmd; 293388f30bbcSDmytro Linkin 29346ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 29358ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 29368ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 2937d79b6df6SOr Gerlitz 293873867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 293973867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 294073867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 294173867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2942d79b6df6SOr Gerlitz 2943d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 294427c11b6bSEli Britstein bool skip; 294527c11b6bSEli Britstein 2946d79b6df6SOr Gerlitz f = &fields[i]; 2947d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2948e3ca4e05SOr Gerlitz s_mask = 0; 2949e3ca4e05SOr Gerlitz a_mask = 0; 2950d79b6df6SOr Gerlitz 2951d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2952d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2953d79b6df6SOr Gerlitz 295488f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 295588f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2956d79b6df6SOr Gerlitz 2957d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2958d79b6df6SOr Gerlitz continue; 2959d79b6df6SOr Gerlitz 2960d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2961e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2962e98bedf5SEli Britstein "can't set and add to the same HW field"); 296361b6a6c3SCai Huoqing netdev_warn(priv->netdev, 296461b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 296561b6a6c3SCai Huoqing f->field); 2966d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2967d79b6df6SOr Gerlitz } 2968d79b6df6SOr Gerlitz 296927c11b6bSEli Britstein skip = false; 2970d79b6df6SOr Gerlitz if (s_mask) { 297127c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 297227c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 297327c11b6bSEli Britstein 2974d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2975d79b6df6SOr Gerlitz mask = s_mask; 2976d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 297727c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 297827c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 297988f30bbcSDmytro Linkin match_mask, f->field_bsize)) 298027c11b6bSEli Britstein skip = true; 2981d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 298288f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2983d79b6df6SOr Gerlitz } else { 2984d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2985d79b6df6SOr Gerlitz mask = a_mask; 2986d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 298727c11b6bSEli Britstein /* add 0 is no change */ 298888f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 298927c11b6bSEli Britstein skip = true; 2990d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 299188f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2992d79b6df6SOr Gerlitz } 299327c11b6bSEli Britstein if (skip) 299427c11b6bSEli Britstein continue; 2995d79b6df6SOr Gerlitz 299682198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 29972b64bebaSOr Gerlitz 299888f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 299988f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 300088f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 30012b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3002e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3003e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 300461b6a6c3SCai Huoqing netdev_warn(priv->netdev, 300561b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3006d79b6df6SOr Gerlitz mask); 3007d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3008d79b6df6SOr Gerlitz } 3009d79b6df6SOr Gerlitz 30102c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 30112c0e5cf5SPaul Blakey if (IS_ERR(action)) { 30126ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30136ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 30146ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 30156ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 30166ae4a6a5SPaul Blakey mod_acts->num_actions); 30172c0e5cf5SPaul Blakey return PTR_ERR(action); 30186ae4a6a5SPaul Blakey } 30196ae4a6a5SPaul Blakey 3020d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3021d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3022d79b6df6SOr Gerlitz 3023d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 302488f30bbcSDmytro Linkin int start; 302588f30bbcSDmytro Linkin 302682198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 302782198d8bSMaor Dickman 302888f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 302982198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 303088f30bbcSDmytro Linkin 303188f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3032d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 30332b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3034d79b6df6SOr Gerlitz } 3035d79b6df6SOr Gerlitz 303688f30bbcSDmytro Linkin if (f->field_bsize == 32) 30372b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 303888f30bbcSDmytro Linkin else if (f->field_bsize == 16) 30392b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 304088f30bbcSDmytro Linkin else if (f->field_bsize == 8) 30412b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3042d79b6df6SOr Gerlitz 30436ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3044d79b6df6SOr Gerlitz } 3045d79b6df6SOr Gerlitz 3046d79b6df6SOr Gerlitz return 0; 3047d79b6df6SOr Gerlitz } 3048d79b6df6SOr Gerlitz 3049d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3050d79b6df6SOr Gerlitz 3051918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3052c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3053c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3054c500c86bSPablo Neira Ayuso { 3055c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3056c500c86bSPablo Neira Ayuso u8 cmd; 3057c500c86bSPablo Neira Ayuso 3058d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 305909bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3060d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 306109bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3062b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3063d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3064d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3065918ed7bfSRoi Dayan return -EOPNOTSUPP; 3066918ed7bfSRoi Dayan } 3067918ed7bfSRoi Dayan } 3068918ed7bfSRoi Dayan 3069918ed7bfSRoi Dayan return 0; 3070918ed7bfSRoi Dayan } 3071918ed7bfSRoi Dayan 3072918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3073918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3074918ed7bfSRoi Dayan u32 *action_flags, 3075918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3076918ed7bfSRoi Dayan { 3077918ed7bfSRoi Dayan int err; 3078918ed7bfSRoi Dayan 3079918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3080918ed7bfSRoi Dayan if (err) 3081d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3082918ed7bfSRoi Dayan 3083918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3084918ed7bfSRoi Dayan if (err) 3085918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3086d79b6df6SOr Gerlitz 3087d79b6df6SOr Gerlitz return 0; 3088d79b6df6SOr Gerlitz 3089d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30902c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3091d79b6df6SOr Gerlitz return err; 3092d79b6df6SOr Gerlitz } 3093d79b6df6SOr Gerlitz 30948998576bSDmytro Linkin struct ip_ttl_word { 30958998576bSDmytro Linkin __u8 ttl; 30968998576bSDmytro Linkin __u8 protocol; 30978998576bSDmytro Linkin __sum16 check; 30988998576bSDmytro Linkin }; 30998998576bSDmytro Linkin 31008998576bSDmytro Linkin struct ipv6_hoplimit_word { 31018998576bSDmytro Linkin __be16 payload_len; 31028998576bSDmytro Linkin __u8 nexthdr; 31038998576bSDmytro Linkin __u8 hop_limit; 31048998576bSDmytro Linkin }; 31058998576bSDmytro Linkin 31061836d780SRoi Dayan static bool 31071836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 31081836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 31094c3844d9SPaul Blakey struct netlink_ext_ack *extack) 31108998576bSDmytro Linkin { 31118998576bSDmytro Linkin u32 mask, offset; 31128998576bSDmytro Linkin u8 htype; 31138998576bSDmytro Linkin 31148998576bSDmytro Linkin htype = act->mangle.htype; 31158998576bSDmytro Linkin offset = act->mangle.offset; 31168998576bSDmytro Linkin mask = ~act->mangle.mask; 31178998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 31188998576bSDmytro Linkin * to determine that modified fields 31198998576bSDmytro Linkin * are NOT ttl & hop_limit only. 31208998576bSDmytro Linkin */ 31218998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 31228998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 31238998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 31248998576bSDmytro Linkin 31258998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 31268998576bSDmytro Linkin ttl_word->protocol || 31278998576bSDmytro Linkin ttl_word->check) { 31284c3844d9SPaul Blakey *modify_ip_header = true; 31294c3844d9SPaul Blakey } 31304c3844d9SPaul Blakey 31317e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 31327e36feebSPaul Blakey *modify_tuple = true; 31337e36feebSPaul Blakey 31347e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31354c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31364c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 31371836d780SRoi Dayan return false; 31388998576bSDmytro Linkin } 31398998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 31408998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 31418998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 31428998576bSDmytro Linkin 31438998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 31448998576bSDmytro Linkin hoplimit_word->payload_len || 31458998576bSDmytro Linkin hoplimit_word->nexthdr) { 31464c3844d9SPaul Blakey *modify_ip_header = true; 31478998576bSDmytro Linkin } 31484c3844d9SPaul Blakey 31497e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 31507e36feebSPaul Blakey *modify_tuple = true; 31517e36feebSPaul Blakey 31527e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31534c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31544c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31551836d780SRoi Dayan return false; 31568998576bSDmytro Linkin } 31577e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31587e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31597e36feebSPaul Blakey *modify_tuple = true; 31607e36feebSPaul Blakey if (ct_flow) { 31614c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31624c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31631836d780SRoi Dayan return false; 31644c3844d9SPaul Blakey } 31657e36feebSPaul Blakey } 31664c3844d9SPaul Blakey 31671836d780SRoi Dayan return true; 31688998576bSDmytro Linkin } 31698998576bSDmytro Linkin 317096b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 317196b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 317296b5b458SDima Chumak struct mlx5e_priv *priv, 317396b5b458SDima Chumak struct mlx5_flow_spec *spec) 317496b5b458SDima Chumak { 317596b5b458SDima Chumak if (!modify_tuple || ct_clear) 317696b5b458SDima Chumak return true; 317796b5b458SDima Chumak 317896b5b458SDima Chumak if (ct_flow) { 317996b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 318096b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 318196b5b458SDima Chumak netdev_info(priv->netdev, 318296b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 318396b5b458SDima Chumak return false; 318496b5b458SDima Chumak } 318596b5b458SDima Chumak 318696b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 318796b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 318896b5b458SDima Chumak * we can't restore ct state 318996b5b458SDima Chumak */ 319096b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 319196b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 319296b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 319396b5b458SDima Chumak netdev_info(priv->netdev, 319496b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 319596b5b458SDima Chumak return false; 319696b5b458SDima Chumak } 319796b5b458SDima Chumak 319896b5b458SDima Chumak return true; 319996b5b458SDima Chumak } 320096b5b458SDima Chumak 32013d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 32023d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 320373867881SPablo Neira Ayuso struct flow_action *flow_action, 32044c3844d9SPaul Blakey u32 actions, bool ct_flow, 32057e36feebSPaul Blakey bool ct_clear, 3206e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3207bdd66ac0SOr Gerlitz { 320873867881SPablo Neira Ayuso const struct flow_action_entry *act; 32097e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3210fca53304SEli Britstein void *headers_c; 3211bdd66ac0SOr Gerlitz void *headers_v; 3212bdd66ac0SOr Gerlitz u16 ethertype; 32138998576bSDmytro Linkin u8 ip_proto; 32141836d780SRoi Dayan int i; 3215bdd66ac0SOr Gerlitz 32168ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 32178ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3218bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3219bdd66ac0SOr Gerlitz 3220bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3221fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3222fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3223bdd66ac0SOr Gerlitz goto out_ok; 3224bdd66ac0SOr Gerlitz 3225bdd66ac0SOr Gerlitz modify_ip_header = false; 32267e36feebSPaul Blakey modify_tuple = false; 322773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 322873867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 322973867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3230bdd66ac0SOr Gerlitz continue; 3231bdd66ac0SOr Gerlitz 32321836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 32337e36feebSPaul Blakey &modify_ip_header, 32341836d780SRoi Dayan &modify_tuple, extack)) 32351836d780SRoi Dayan return false; 3236bdd66ac0SOr Gerlitz } 3237bdd66ac0SOr Gerlitz 323896b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 323996b5b458SDima Chumak priv, spec)) 32407e36feebSPaul Blakey return false; 32417e36feebSPaul Blakey 3242bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 32431ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 32441ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3245e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3246e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 32473d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 32483d486ec4SOz Shlomo ip_proto); 3249bdd66ac0SOr Gerlitz return false; 3250bdd66ac0SOr Gerlitz } 3251bdd66ac0SOr Gerlitz 3252bdd66ac0SOr Gerlitz out_ok: 3253bdd66ac0SOr Gerlitz return true; 3254bdd66ac0SOr Gerlitz } 3255bdd66ac0SOr Gerlitz 32569c1d3511SRoi Dayan static bool 32579c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 32589c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 32599c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 32609c1d3511SRoi Dayan struct netlink_ext_ack *extack) 32619c1d3511SRoi Dayan { 3262d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 32639c1d3511SRoi Dayan bool ct_flow, ct_clear; 32649c1d3511SRoi Dayan 32659c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 32669c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 32679c1d3511SRoi Dayan 3268d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3269d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 32709c1d3511SRoi Dayan /* All registers used by ct are cleared when using 32719c1d3511SRoi Dayan * split rules. 32729c1d3511SRoi Dayan */ 32739c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 32749c1d3511SRoi Dayan return false; 32759c1d3511SRoi Dayan } 32769c1d3511SRoi Dayan 3277d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3278d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3279d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3280d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3281d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3282d4f401d9SRoi Dayan return false; 3283d4f401d9SRoi Dayan } 3284d4f401d9SRoi Dayan 32859c1d3511SRoi Dayan return true; 32869c1d3511SRoi Dayan } 32879c1d3511SRoi Dayan 32889c1d3511SRoi Dayan static bool 32899c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 329073867881SPablo Neira Ayuso struct flow_action *flow_action, 32910610f8dcSRoi Dayan u32 actions, 3292bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3293e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3294e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3295bdd66ac0SOr Gerlitz { 32969c1d3511SRoi Dayan bool ct_flow, ct_clear; 3297bdd66ac0SOr Gerlitz 32989c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3299a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3300c620b772SAriel Levkovich 33016b50cf45SRoi Dayan if (!(actions & 33026b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 33036b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 33046b50cf45SRoi Dayan return false; 33056b50cf45SRoi Dayan } 33066b50cf45SRoi Dayan 33075623ef8aSRoi Dayan if (!(~actions & 33085623ef8aSRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 33095623ef8aSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 33105623ef8aSRoi Dayan return false; 33115623ef8aSRoi Dayan } 33125623ef8aSRoi Dayan 33139c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 3314a2446bc7SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 3315a2446bc7SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 3316a2446bc7SRoi Dayan return false; 3317a2446bc7SRoi Dayan } 3318a2446bc7SRoi Dayan 33193d65492aSRoi Dayan if (!(~actions & 33203d65492aSRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 33213d65492aSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 33223d65492aSRoi Dayan return false; 33233d65492aSRoi Dayan } 33243d65492aSRoi Dayan 3325a2446bc7SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 332623216d38SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 332723216d38SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 332823216d38SRoi Dayan return false; 332923216d38SRoi Dayan } 333023216d38SRoi Dayan 33319c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 33329c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 33339c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 333449397b80SDan Carpenter return false; 3335bdd66ac0SOr Gerlitz 33369c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 33379c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 33389c1d3511SRoi Dayan return false; 3339bdd66ac0SOr Gerlitz 3340bdd66ac0SOr Gerlitz return true; 3341bdd66ac0SOr Gerlitz } 3342bdd66ac0SOr Gerlitz 334332134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 334432134847SMaor Dickman { 334532134847SMaor Dickman return priv->mdev == peer_priv->mdev; 334632134847SMaor Dickman } 334732134847SMaor Dickman 3348ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 33495c65c564SOr Gerlitz { 33505c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3351816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 33525c65c564SOr Gerlitz 33535c65c564SOr Gerlitz fmdev = priv->mdev; 33545c65c564SOr Gerlitz pmdev = peer_priv->mdev; 33555c65c564SOr Gerlitz 335659c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 335759c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 33585c65c564SOr Gerlitz 3359816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 33605c65c564SOr Gerlitz } 33615c65c564SOr Gerlitz 33620bac1194SEli Britstein static int 3363d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3364d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3365d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3366d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3367d9581e2fSRoi Dayan { 3368d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 336909bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3370d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3371d9581e2fSRoi Dayan int err; 3372d9581e2fSRoi Dayan 3373d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3374d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3375d9581e2fSRoi Dayan return 0; 3376d9581e2fSRoi Dayan 3377e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3378d9581e2fSRoi Dayan 337909bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3380d9581e2fSRoi Dayan if (err) 3381d9581e2fSRoi Dayan return err; 3382d9581e2fSRoi Dayan 3383d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3384d9581e2fSRoi Dayan return 0; 3385d9581e2fSRoi Dayan 3386fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3387d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33882c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3389d9581e2fSRoi Dayan 3390d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3391d9581e2fSRoi Dayan return 0; 3392d9581e2fSRoi Dayan 3393d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3394d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3395d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3396d9581e2fSRoi Dayan 3397d9581e2fSRoi Dayan return 0; 3398d9581e2fSRoi Dayan } 3399d9581e2fSRoi Dayan 34008300f225SRoi Dayan static struct mlx5_flow_attr* 34018300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 34028300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 34038300f225SRoi Dayan { 34048300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 34058300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 34068300f225SRoi Dayan struct mlx5_flow_attr *attr2; 34078300f225SRoi Dayan 34088300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 34098300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 34108300f225SRoi Dayan if (!attr2 || !parse_attr) { 34118300f225SRoi Dayan kvfree(parse_attr); 34128300f225SRoi Dayan kfree(attr2); 3413*371c2b34SDan Carpenter return NULL; 34148300f225SRoi Dayan } 34158300f225SRoi Dayan 34168300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 34178300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 34188300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 34198300f225SRoi Dayan attr2->action = 0; 34208300f225SRoi Dayan attr2->flags = 0; 34218300f225SRoi Dayan attr2->parse_attr = parse_attr; 34228300f225SRoi Dayan return attr2; 34238300f225SRoi Dayan } 34248300f225SRoi Dayan 34258300f225SRoi Dayan static struct mlx5_core_dev * 34268300f225SRoi Dayan get_flow_counter_dev(struct mlx5e_tc_flow *flow) 34278300f225SRoi Dayan { 34288300f225SRoi Dayan return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 34298300f225SRoi Dayan } 34308300f225SRoi Dayan 34318300f225SRoi Dayan struct mlx5_flow_attr * 34328300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 34338300f225SRoi Dayan { 34348300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 34358300f225SRoi Dayan struct mlx5_flow_attr *attr; 34368300f225SRoi Dayan int i; 34378300f225SRoi Dayan 34388300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 34398300f225SRoi Dayan esw_attr = attr->esw_attr; 34408300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 34418300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 34428300f225SRoi Dayan return attr; 34438300f225SRoi Dayan } 34448300f225SRoi Dayan } 34458300f225SRoi Dayan 34468300f225SRoi Dayan return NULL; 34478300f225SRoi Dayan } 34488300f225SRoi Dayan 34498300f225SRoi Dayan void 34508300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 34518300f225SRoi Dayan { 34528300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 34538300f225SRoi Dayan struct mlx5_flow_attr *attr; 34548300f225SRoi Dayan 34558300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 34568300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 34578300f225SRoi Dayan break; 34588300f225SRoi Dayan 34598300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 34608300f225SRoi Dayan } 34618300f225SRoi Dayan } 34628300f225SRoi Dayan 34638300f225SRoi Dayan static void 34648300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 34658300f225SRoi Dayan { 34668300f225SRoi Dayan struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 34678300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 34688300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 34698300f225SRoi Dayan bool vf_tun; 34708300f225SRoi Dayan 34718300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 34728300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 34738300f225SRoi Dayan break; 34748300f225SRoi Dayan 34758300f225SRoi Dayan if (attr->post_act_handle) 34768300f225SRoi Dayan mlx5e_tc_post_act_del(post_act, attr->post_act_handle); 34778300f225SRoi Dayan 34788300f225SRoi Dayan clean_encap_dests(flow->priv, flow, attr, &vf_tun); 34798300f225SRoi Dayan 34808300f225SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 34818300f225SRoi Dayan mlx5_fc_destroy(counter_dev, attr->counter); 34828300f225SRoi Dayan 34838300f225SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 34848300f225SRoi Dayan mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 34858300f225SRoi Dayan if (attr->modify_hdr) 34868300f225SRoi Dayan mlx5_modify_header_dealloc(flow->priv->mdev, attr->modify_hdr); 34878300f225SRoi Dayan } 34888300f225SRoi Dayan 34898300f225SRoi Dayan list_del(&attr->list); 34908300f225SRoi Dayan kvfree(attr->parse_attr); 34918300f225SRoi Dayan kfree(attr); 34928300f225SRoi Dayan } 34938300f225SRoi Dayan } 34948300f225SRoi Dayan 34958300f225SRoi Dayan int 34968300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 34978300f225SRoi Dayan { 34988300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 34998300f225SRoi Dayan struct mlx5_flow_attr *attr; 35008300f225SRoi Dayan int err = 0; 35018300f225SRoi Dayan 35028300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 35038300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 35048300f225SRoi Dayan break; 35058300f225SRoi Dayan 35068300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 35078300f225SRoi Dayan if (err) 35088300f225SRoi Dayan break; 35098300f225SRoi Dayan } 35108300f225SRoi Dayan 35118300f225SRoi Dayan return err; 35128300f225SRoi Dayan } 35138300f225SRoi Dayan 35148300f225SRoi Dayan /* TC filter rule HW translation: 35158300f225SRoi Dayan * 35168300f225SRoi Dayan * +---------------------+ 35178300f225SRoi Dayan * + ft prio (tc chain) + 35188300f225SRoi Dayan * + original match + 35198300f225SRoi Dayan * +---------------------+ 35208300f225SRoi Dayan * | 35218300f225SRoi Dayan * | if multi table action 35228300f225SRoi Dayan * | 35238300f225SRoi Dayan * v 35248300f225SRoi Dayan * +---------------------+ 35258300f225SRoi Dayan * + post act ft |<----. 35268300f225SRoi Dayan * + match fte id | | split on multi table action 35278300f225SRoi Dayan * + do actions |-----' 35288300f225SRoi Dayan * +---------------------+ 35298300f225SRoi Dayan * | 35308300f225SRoi Dayan * | 35318300f225SRoi Dayan * v 35328300f225SRoi Dayan * Do rest of the actions after last multi table action. 35338300f225SRoi Dayan */ 35348300f225SRoi Dayan static int 35358300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 35368300f225SRoi Dayan { 35378300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 35388300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 35398300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 35408300f225SRoi Dayan bool vf_tun, encap_valid = true; 35418300f225SRoi Dayan int err; 35428300f225SRoi Dayan 35438300f225SRoi Dayan /* This is going in reverse order as needed. 35448300f225SRoi Dayan * The first entry is the last attribute. 35458300f225SRoi Dayan */ 35468300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 35478300f225SRoi Dayan if (!next_attr) { 35488300f225SRoi Dayan /* Set counter action on last post act rule. */ 35498300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 35508300f225SRoi Dayan } else { 35518300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 35528300f225SRoi Dayan if (err) 35538300f225SRoi Dayan goto out_free; 35548300f225SRoi Dayan } 35558300f225SRoi Dayan 35568300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 35578300f225SRoi Dayan * It's being handled by the caller. 35588300f225SRoi Dayan */ 35598300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 35608300f225SRoi Dayan break; 35618300f225SRoi Dayan 35628300f225SRoi Dayan err = set_encap_dests(flow->priv, flow, attr, extack, &encap_valid, &vf_tun); 35638300f225SRoi Dayan if (err) 35648300f225SRoi Dayan goto out_free; 35658300f225SRoi Dayan 35668300f225SRoi Dayan if (!encap_valid) 35678300f225SRoi Dayan flow_flag_set(flow, SLOW); 35688300f225SRoi Dayan 35698300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 35708300f225SRoi Dayan if (err) 35718300f225SRoi Dayan goto out_free; 35728300f225SRoi Dayan 35738300f225SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 35748300f225SRoi Dayan err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr); 35758300f225SRoi Dayan if (err) 35768300f225SRoi Dayan goto out_free; 35778300f225SRoi Dayan } 35788300f225SRoi Dayan 35798300f225SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 35808300f225SRoi Dayan err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 35818300f225SRoi Dayan if (err) 35828300f225SRoi Dayan goto out_free; 35838300f225SRoi Dayan } 35848300f225SRoi Dayan 35858300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 35868300f225SRoi Dayan if (IS_ERR(handle)) { 35878300f225SRoi Dayan err = PTR_ERR(handle); 35888300f225SRoi Dayan goto out_free; 35898300f225SRoi Dayan } 35908300f225SRoi Dayan 35918300f225SRoi Dayan attr->post_act_handle = handle; 35928300f225SRoi Dayan next_attr = attr; 35938300f225SRoi Dayan } 35948300f225SRoi Dayan 35958300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 35968300f225SRoi Dayan goto out; 35978300f225SRoi Dayan 35988300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 35998300f225SRoi Dayan if (err) 36008300f225SRoi Dayan goto out_free; 36018300f225SRoi Dayan 36028300f225SRoi Dayan out: 36038300f225SRoi Dayan return 0; 36048300f225SRoi Dayan 36058300f225SRoi Dayan out_free: 36068300f225SRoi Dayan free_flow_post_acts(flow); 36078300f225SRoi Dayan return err; 36088300f225SRoi Dayan } 36098300f225SRoi Dayan 36108300f225SRoi Dayan static int 36118300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 36128300f225SRoi Dayan struct flow_action *flow_action) 36138300f225SRoi Dayan { 36148300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 36158300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 36168300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 36178300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 36188300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 36198300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 36208300f225SRoi Dayan struct flow_action_entry *act, **_act; 36218300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 36228300f225SRoi Dayan int err, i; 36238300f225SRoi Dayan 36248300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 36258300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 36268300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 36278300f225SRoi Dayan if (!flow_action_reorder.entries) 36288300f225SRoi Dayan return -ENOMEM; 36298300f225SRoi Dayan 36308300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 36318300f225SRoi Dayan 36328300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 36338300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 36348300f225SRoi Dayan 36358300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 36368300f225SRoi Dayan act = *_act; 36378300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 36388300f225SRoi Dayan if (!tc_act) { 36398300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 36408300f225SRoi Dayan err = -EOPNOTSUPP; 36418300f225SRoi Dayan goto out_free; 36428300f225SRoi Dayan } 36438300f225SRoi Dayan 36448300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 36458300f225SRoi Dayan err = -EOPNOTSUPP; 36468300f225SRoi Dayan goto out_free; 36478300f225SRoi Dayan } 36488300f225SRoi Dayan 36498300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 36508300f225SRoi Dayan if (err) 36518300f225SRoi Dayan goto out_free; 36528300f225SRoi Dayan 36538300f225SRoi Dayan parse_state->actions |= attr->action; 36548300f225SRoi Dayan 36558300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 36568300f225SRoi Dayan if (tc_act->is_multi_table_act && 36578300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 36588300f225SRoi Dayan i < flow_action_reorder.num_entries - 1) { 36598300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 36608300f225SRoi Dayan if (err) 36618300f225SRoi Dayan goto out_free; 36628300f225SRoi Dayan 36638300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 36648300f225SRoi Dayan if (!attr) { 36658300f225SRoi Dayan err = -ENOMEM; 36668300f225SRoi Dayan goto out_free; 36678300f225SRoi Dayan } 36688300f225SRoi Dayan 36698300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 36708300f225SRoi Dayan } 36718300f225SRoi Dayan } 36728300f225SRoi Dayan 36738300f225SRoi Dayan kfree(flow_action_reorder.entries); 36748300f225SRoi Dayan 36758300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 36768300f225SRoi Dayan if (err) 36778300f225SRoi Dayan goto out_free_post_acts; 36788300f225SRoi Dayan 36798300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 36808300f225SRoi Dayan if (err) 36818300f225SRoi Dayan goto out_free_post_acts; 36828300f225SRoi Dayan 36838300f225SRoi Dayan return 0; 36848300f225SRoi Dayan 36858300f225SRoi Dayan out_free: 36868300f225SRoi Dayan kfree(flow_action_reorder.entries); 36878300f225SRoi Dayan out_free_post_acts: 36888300f225SRoi Dayan free_flow_post_acts(flow); 36898300f225SRoi Dayan 36908300f225SRoi Dayan return err; 36918300f225SRoi Dayan } 36928300f225SRoi Dayan 3693d9581e2fSRoi Dayan static int 3694df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3695df990477SRoi Dayan struct netlink_ext_ack *extack) 3696df990477SRoi Dayan { 3697df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3698df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3699df990477SRoi Dayan return -EINVAL; 3700df990477SRoi Dayan } 3701df990477SRoi Dayan 3702df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3703df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3704df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3705df990477SRoi Dayan return -EOPNOTSUPP; 3706df990477SRoi Dayan } 3707df990477SRoi Dayan 3708df990477SRoi Dayan return 0; 3709df990477SRoi Dayan } 3710df990477SRoi Dayan 3711df990477SRoi Dayan static int 3712d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 371373867881SPablo Neira Ayuso struct flow_action *flow_action, 3714e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3715e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3716e3a2b7edSAmir Vadai { 3717fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3718c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3719c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 37208333d53eSRoi Dayan int err; 3721e3a2b7edSAmir Vadai 3722df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3723df990477SRoi Dayan if (err) 3724df990477SRoi Dayan return err; 3725319a1d19SJiri Pirko 3726fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3727c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3728fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3729fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3730758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3731e3a2b7edSAmir Vadai 37328333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3733fad54790SRoi Dayan if (err) 3734fad54790SRoi Dayan return err; 3735e3a2b7edSAmir Vadai 373609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 3737d9581e2fSRoi Dayan if (err) 3738d9581e2fSRoi Dayan return err; 3739d9581e2fSRoi Dayan 37400610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 37410610f8dcSRoi Dayan parse_attr, flow, extack)) 3742bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3743bdd66ac0SOr Gerlitz 3744e3a2b7edSAmir Vadai return 0; 3745e3a2b7edSAmir Vadai } 3746e3a2b7edSAmir Vadai 374732134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3748b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3749b1d90e6bSRabie Loulou { 3750b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3751b1d90e6bSRabie Loulou 3752b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3753b1d90e6bSRabie Loulou 3754b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 375532134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 375632134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 3757ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 3758d34eb2fcSOr Gerlitz } 3759d34eb2fcSOr Gerlitz 376032134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 376132134847SMaor Dickman struct net_device *peer_netdev) 376232134847SMaor Dickman { 376332134847SMaor Dickman struct mlx5e_priv *peer_priv; 376432134847SMaor Dickman 376532134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 376632134847SMaor Dickman 376732134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 376832134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 3769ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 377032134847SMaor Dickman } 377132134847SMaor Dickman 377232134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 377332134847SMaor Dickman struct net_device *peer_netdev) 377432134847SMaor Dickman { 377532134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 377632134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 377732134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 377832134847SMaor Dickman } 377932134847SMaor Dickman 3780f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3781f6dc1264SPaul Blakey struct net_device *out_dev) 3782f6dc1264SPaul Blakey { 378332134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 378432134847SMaor Dickman return true; 378532134847SMaor Dickman 378632134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3787f6dc1264SPaul Blakey return true; 3788f6dc1264SPaul Blakey 3789f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 379032134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3791f6dc1264SPaul Blakey } 3792f6dc1264SPaul Blakey 379327484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 379427484f71SAriel Levkovich struct mlx5_flow_attr *attr, 379527484f71SAriel Levkovich int ifindex, 379627484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 379727484f71SAriel Levkovich u32 *action, 379827484f71SAriel Levkovich int out_index) 379927484f71SAriel Levkovich { 380027484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 380127484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 380227484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 380327484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 380427484f71SAriel Levkovich int err; 380527484f71SAriel Levkovich 380627484f71SAriel Levkovich parse_attr = attr->parse_attr; 380727484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 380827484f71SAriel Levkovich 380927484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 381027484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 381127484f71SAriel Levkovich return PTR_ERR(dest_int_port); 381227484f71SAriel Levkovich 381327484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 381427484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 381527484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 381627484f71SAriel Levkovich if (err) { 381727484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 381827484f71SAriel Levkovich return err; 381927484f71SAriel Levkovich } 382027484f71SAriel Levkovich 382127484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 382227484f71SAriel Levkovich 382327484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 382427484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 382527484f71SAriel Levkovich 382627484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 382727484f71SAriel Levkovich attr->dest_chain = 0; 382827484f71SAriel Levkovich 382927484f71SAriel Levkovich return 0; 383027484f71SAriel Levkovich } 383127484f71SAriel Levkovich 38328333d53eSRoi Dayan static int 38338333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 383473867881SPablo Neira Ayuso struct flow_action *flow_action, 3835e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 383670f8019eSRoi Dayan struct netlink_ext_ack *extack) 3837a54e20b4SHadar Hen Zion { 3838fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3839c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 3840c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3841c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 38428333d53eSRoi Dayan int err; 384303a9d11eSOr Gerlitz 3844df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3845df990477SRoi Dayan if (err) 3846df990477SRoi Dayan return err; 3847319a1d19SJiri Pirko 3848c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3849c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3850fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3851fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3852758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3853c620b772SAriel Levkovich 38548333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3855fad54790SRoi Dayan if (err) 3856fad54790SRoi Dayan return err; 3857bdd66ac0SOr Gerlitz 3858166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 3859166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 3860166f431eSAriel Levkovich esw_attr->out_count > 1) { 386127484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3862166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 386327484f71SAriel Levkovich return -EOPNOTSUPP; 386427484f71SAriel Levkovich } 386527484f71SAriel Levkovich 386609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 3867c500c86bSPablo Neira Ayuso if (err) 3868c500c86bSPablo Neira Ayuso return err; 3869c500c86bSPablo Neira Ayuso 38700610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 38710610f8dcSRoi Dayan parse_attr, flow, extack)) 3872bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3873bdd66ac0SOr Gerlitz 387431c8eba5SOr Gerlitz return 0; 387503a9d11eSOr Gerlitz } 387603a9d11eSOr Gerlitz 3877226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 387860bd4af8SOr Gerlitz { 3879226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 388060bd4af8SOr Gerlitz 3881226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3882226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3883226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3884226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 388560bd4af8SOr Gerlitz 3886226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3887226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3888226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3889226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 389084179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 389184179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3892d9ee0491SOr Gerlitz 389360bd4af8SOr Gerlitz *flow_flags = __flow_flags; 389460bd4af8SOr Gerlitz } 389560bd4af8SOr Gerlitz 389605866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 389705866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 389805866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 389905866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 390005866c82SOr Gerlitz .automatic_shrinking = true, 390105866c82SOr Gerlitz }; 390205866c82SOr Gerlitz 3903226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3904226f2ca3SVlad Buslov unsigned long flags) 390505866c82SOr Gerlitz { 3906d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 3907655dc3d2SOr Gerlitz 3908226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3909d1a3138fSPaul Blakey rpriv = priv->ppriv; 3910d1a3138fSPaul Blakey return &rpriv->tc_ht; 3911d9ee0491SOr Gerlitz } else /* NIC offload */ 391205866c82SOr Gerlitz return &priv->fs.tc.ht; 391305866c82SOr Gerlitz } 391405866c82SOr Gerlitz 391504de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 391604de7ddaSRoi Dayan { 3917c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 3918c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3919c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 3920226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 39211418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 39221418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 3923c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 39241418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 39251418ddd9SAviv Heller 392610fbb1cdSRoi Dayan if (!esw_paired) 392710fbb1cdSRoi Dayan return false; 392810fbb1cdSRoi Dayan 3929c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 3930c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 393110fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 393210fbb1cdSRoi Dayan return true; 393310fbb1cdSRoi Dayan 393410fbb1cdSRoi Dayan return false; 393504de7ddaSRoi Dayan } 393604de7ddaSRoi Dayan 3937c620b772SAriel Levkovich struct mlx5_flow_attr * 3938c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 3939c620b772SAriel Levkovich { 3940c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 3941c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 3942c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 3943c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 3944c620b772SAriel Levkovich 39458300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 39468300f225SRoi Dayan if (!attr) 39478300f225SRoi Dayan return attr; 39488300f225SRoi Dayan 39498300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 39508300f225SRoi Dayan return attr; 3951c620b772SAriel Levkovich } 3952c620b772SAriel Levkovich 3953a88780a9SRoi Dayan static int 3954a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3955226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3956a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3957a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3958e3a2b7edSAmir Vadai { 395917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 3960c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 39613bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3962ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 3963ff7ea04aSGustavo A. R. Silva int out_index; 3964776b12b6SOr Gerlitz 3965c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 39661b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 3967ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 3968ff7ea04aSGustavo A. R. Silva goto err_free; 3969c620b772SAriel Levkovich 3970c620b772SAriel Levkovich flow->flags = flow_flags; 3971c620b772SAriel Levkovich flow->cookie = f->cookie; 3972c620b772SAriel Levkovich flow->priv = priv; 3973c620b772SAriel Levkovich 3974e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 3975ff7ea04aSGustavo A. R. Silva if (!attr) 3976e3a2b7edSAmir Vadai goto err_free; 3977ff7ea04aSGustavo A. R. Silva 3978c620b772SAriel Levkovich flow->attr = attr; 3979e3a2b7edSAmir Vadai 39805a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 39815a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 39825a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 398314e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 39848300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 39855a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 398695435ad7SVlad Buslov init_completion(&flow->init_done); 3987362980eaSVlad Buslov init_completion(&flow->del_hw_done); 3988e3a2b7edSAmir Vadai 3989a88780a9SRoi Dayan *__flow = flow; 3990a88780a9SRoi Dayan *__parse_attr = parse_attr; 3991a88780a9SRoi Dayan 3992a88780a9SRoi Dayan return 0; 3993a88780a9SRoi Dayan 3994a88780a9SRoi Dayan err_free: 3995a88780a9SRoi Dayan kfree(flow); 3996a88780a9SRoi Dayan kvfree(parse_attr); 3997a88780a9SRoi Dayan return err; 3998adb4c123SOr Gerlitz } 3999adb4c123SOr Gerlitz 4000988ab9c7STonghao Zhang static void 4001c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4002c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4003c7569097SAriel Levkovich struct flow_cls_offload *f) 4004c7569097SAriel Levkovich { 4005c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4006c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4007c7569097SAriel Levkovich attr->prio = f->common.prio; 4008c7569097SAriel Levkovich } 4009c7569097SAriel Levkovich 4010c7569097SAriel Levkovich static void 4011c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4012988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4013988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4014f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4015988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4016988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4017988ab9c7STonghao Zhang { 4018988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4019c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4020988ab9c7STonghao Zhang 4021c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4022988ab9c7STonghao Zhang 4023988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4024988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4025988ab9c7STonghao Zhang 4026988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4027988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4028988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4029988ab9c7STonghao Zhang else 4030988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4031988ab9c7STonghao Zhang } 4032988ab9c7STonghao Zhang 403371129676SJason Gunthorpe static struct mlx5e_tc_flow * 403404de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4035f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4036226f2ca3SVlad Buslov unsigned long flow_flags, 4037d11afc26SOz Shlomo struct net_device *filter_dev, 403804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 403971129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4040a88780a9SRoi Dayan { 4041f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4042a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4043a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4044a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4045a88780a9SRoi Dayan int attr_size, err; 4046a88780a9SRoi Dayan 4047226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4048a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4049a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4050a88780a9SRoi Dayan &parse_attr, &flow); 4051a88780a9SRoi Dayan if (err) 4052a88780a9SRoi Dayan goto out; 4053988ab9c7STonghao Zhang 4054d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4055c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4056988ab9c7STonghao Zhang priv, parse_attr, 4057988ab9c7STonghao Zhang f, in_rep, in_mdev); 4058988ab9c7STonghao Zhang 405954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 406054c177caSOz Shlomo f, filter_dev); 4061d11afc26SOz Shlomo if (err) 4062d11afc26SOz Shlomo goto err_free; 4063a88780a9SRoi Dayan 40647e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4065aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4066c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4067a88780a9SRoi Dayan if (err) 4068a88780a9SRoi Dayan goto err_free; 4069a88780a9SRoi Dayan 4070d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 4071d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4072d4bb0531SRoi Dayan 407370f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 40744c3844d9SPaul Blakey if (err) 40754c3844d9SPaul Blakey goto err_free; 40764c3844d9SPaul Blakey 40777040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 407895435ad7SVlad Buslov complete_all(&flow->init_done); 4079ef06c9eeSRoi Dayan if (err) { 4080ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4081aa0cbbaeSOr Gerlitz goto err_free; 40825c40348cSOr Gerlitz 4083b4a23329SRoi Dayan add_unready_flow(flow); 4084ef06c9eeSRoi Dayan } 4085ef06c9eeSRoi Dayan 408671129676SJason Gunthorpe return flow; 4087e3a2b7edSAmir Vadai 4088e3a2b7edSAmir Vadai err_free: 40895a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4090a88780a9SRoi Dayan out: 409171129676SJason Gunthorpe return ERR_PTR(err); 4092a88780a9SRoi Dayan } 4093a88780a9SRoi Dayan 4094f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 409595dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4096226f2ca3SVlad Buslov unsigned long flow_flags) 409704de7ddaSRoi Dayan { 409804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 409904de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4100c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 410104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 410204de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 410304de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 410404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 410504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 410604de7ddaSRoi Dayan int err = 0; 410704de7ddaSRoi Dayan 410804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 410904de7ddaSRoi Dayan if (!peer_esw) 411004de7ddaSRoi Dayan return -ENODEV; 411104de7ddaSRoi Dayan 411204de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 411304de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 411404de7ddaSRoi Dayan 411504de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 411604de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 411704de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 411804de7ddaSRoi Dayan * peer mdev. 411904de7ddaSRoi Dayan */ 4120c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 412104de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 412204de7ddaSRoi Dayan else 412304de7ddaSRoi Dayan in_mdev = priv->mdev; 412404de7ddaSRoi Dayan 4125c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 412695dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 412704de7ddaSRoi Dayan parse_attr->filter_dev, 4128c620b772SAriel Levkovich attr->in_rep, in_mdev); 412971129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 413071129676SJason Gunthorpe err = PTR_ERR(peer_flow); 413104de7ddaSRoi Dayan goto out; 413271129676SJason Gunthorpe } 413304de7ddaSRoi Dayan 413404de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4135226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 413604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 413704de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 413804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 413904de7ddaSRoi Dayan 414004de7ddaSRoi Dayan out: 414104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 414204de7ddaSRoi Dayan return err; 414304de7ddaSRoi Dayan } 414404de7ddaSRoi Dayan 414504de7ddaSRoi Dayan static int 414604de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4147f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4148226f2ca3SVlad Buslov unsigned long flow_flags, 414904de7ddaSRoi Dayan struct net_device *filter_dev, 415004de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 415104de7ddaSRoi Dayan { 415204de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 415304de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 415404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 415504de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 415604de7ddaSRoi Dayan int err; 415704de7ddaSRoi Dayan 415871129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 415971129676SJason Gunthorpe in_mdev); 416071129676SJason Gunthorpe if (IS_ERR(flow)) 416171129676SJason Gunthorpe return PTR_ERR(flow); 416204de7ddaSRoi Dayan 416304de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 416495dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 416504de7ddaSRoi Dayan if (err) { 416604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 416704de7ddaSRoi Dayan goto out; 416804de7ddaSRoi Dayan } 416904de7ddaSRoi Dayan } 417004de7ddaSRoi Dayan 417104de7ddaSRoi Dayan *__flow = flow; 417204de7ddaSRoi Dayan 417304de7ddaSRoi Dayan return 0; 417404de7ddaSRoi Dayan 417504de7ddaSRoi Dayan out: 417604de7ddaSRoi Dayan return err; 417704de7ddaSRoi Dayan } 417804de7ddaSRoi Dayan 4179a88780a9SRoi Dayan static int 4180a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4181f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4182226f2ca3SVlad Buslov unsigned long flow_flags, 4183d11afc26SOz Shlomo struct net_device *filter_dev, 4184a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4185a88780a9SRoi Dayan { 4186f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4187a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4188a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4189a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4190a88780a9SRoi Dayan int attr_size, err; 4191a88780a9SRoi Dayan 4192c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4193bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4194bf07aa73SPaul Blakey return -EOPNOTSUPP; 4195c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4196c7569097SAriel Levkovich return -EOPNOTSUPP; 4197c7569097SAriel Levkovich } 4198bf07aa73SPaul Blakey 4199226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4200a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4201a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4202a88780a9SRoi Dayan &parse_attr, &flow); 4203a88780a9SRoi Dayan if (err) 4204a88780a9SRoi Dayan goto out; 4205a88780a9SRoi Dayan 4206d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4207c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4208c7569097SAriel Levkovich 420954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 421054c177caSOz Shlomo f, filter_dev); 4211d11afc26SOz Shlomo if (err) 4212d11afc26SOz Shlomo goto err_free; 4213d11afc26SOz Shlomo 4214aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4215aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4216aedd133dSAriel Levkovich if (err) 4217aedd133dSAriel Levkovich goto err_free; 4218aedd133dSAriel Levkovich 4219c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4220a88780a9SRoi Dayan if (err) 4221a88780a9SRoi Dayan goto err_free; 4222a88780a9SRoi Dayan 4223c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4224a88780a9SRoi Dayan if (err) 4225a88780a9SRoi Dayan goto err_free; 4226a88780a9SRoi Dayan 4227226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4228a88780a9SRoi Dayan *__flow = flow; 4229a88780a9SRoi Dayan 4230a88780a9SRoi Dayan return 0; 4231a88780a9SRoi Dayan 4232a88780a9SRoi Dayan err_free: 42338914add2SVlad Buslov flow_flag_set(flow, FAILED); 42342c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 42355a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4236a88780a9SRoi Dayan out: 4237a88780a9SRoi Dayan return err; 4238a88780a9SRoi Dayan } 4239a88780a9SRoi Dayan 4240a88780a9SRoi Dayan static int 4241a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4242f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4243226f2ca3SVlad Buslov unsigned long flags, 4244d11afc26SOz Shlomo struct net_device *filter_dev, 4245a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4246a88780a9SRoi Dayan { 4247a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4248226f2ca3SVlad Buslov unsigned long flow_flags; 4249a88780a9SRoi Dayan int err; 4250a88780a9SRoi Dayan 4251a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4252a88780a9SRoi Dayan 4253bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4254bf07aa73SPaul Blakey return -EOPNOTSUPP; 4255bf07aa73SPaul Blakey 4256f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4257d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4258d11afc26SOz Shlomo filter_dev, flow); 4259a88780a9SRoi Dayan else 4260d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4261d11afc26SOz Shlomo filter_dev, flow); 4262a88780a9SRoi Dayan 4263a88780a9SRoi Dayan return err; 4264a88780a9SRoi Dayan } 4265a88780a9SRoi Dayan 4266553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4267553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4268553f9328SVu Pham { 4269553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 42702fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 42712fb15e72SVlad Buslov * function is called from NIC mode. 4272553f9328SVu Pham */ 42732fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4274553f9328SVu Pham } 4275553f9328SVu Pham 427671d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4277226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4278a88780a9SRoi Dayan { 4279a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4280d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4281553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4282a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4283a88780a9SRoi Dayan int err = 0; 4284a88780a9SRoi Dayan 42857dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 42867dc84de9SRoi Dayan return -EAGAIN; 42877dc84de9SRoi Dayan 42887dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 42897dc84de9SRoi Dayan 4290c5d326b2SVlad Buslov rcu_read_lock(); 4291c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4292a88780a9SRoi Dayan if (flow) { 4293553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4294553f9328SVu Pham * just return 0. 4295553f9328SVu Pham */ 4296553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4297c1aea9e1SVlad Buslov goto rcu_unlock; 4298553f9328SVu Pham 4299a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4300a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4301a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4302a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4303a88780a9SRoi Dayan f->cookie); 43040e1c1a2fSVlad Buslov err = -EEXIST; 4305c1aea9e1SVlad Buslov goto rcu_unlock; 4306a88780a9SRoi Dayan } 4307c1aea9e1SVlad Buslov rcu_unlock: 4308c1aea9e1SVlad Buslov rcu_read_unlock(); 4309c1aea9e1SVlad Buslov if (flow) 4310c1aea9e1SVlad Buslov goto out; 4311a88780a9SRoi Dayan 43127a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4313d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4314a88780a9SRoi Dayan if (err) 4315a88780a9SRoi Dayan goto out; 4316a88780a9SRoi Dayan 4317553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4318553f9328SVu Pham * set the flow's owner dev. 4319553f9328SVu Pham */ 4320553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4321553f9328SVu Pham flow->orig_dev = dev; 4322553f9328SVu Pham 4323c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4324a88780a9SRoi Dayan if (err) 4325a88780a9SRoi Dayan goto err_free; 4326a88780a9SRoi Dayan 43277dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4328a88780a9SRoi Dayan return 0; 4329a88780a9SRoi Dayan 4330a88780a9SRoi Dayan err_free: 43315a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4332a88780a9SRoi Dayan out: 43337dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 43347dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4335e3a2b7edSAmir Vadai return err; 4336e3a2b7edSAmir Vadai } 4337e3a2b7edSAmir Vadai 43388f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 43398f8ae895SOr Gerlitz { 4340226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4341226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 43428f8ae895SOr Gerlitz 4343226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4344226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 43458f8ae895SOr Gerlitz } 43468f8ae895SOr Gerlitz 434771d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4348226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4349e3a2b7edSAmir Vadai { 4350d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4351e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4352c5d326b2SVlad Buslov int err; 4353e3a2b7edSAmir Vadai 4354c5d326b2SVlad Buslov rcu_read_lock(); 4355ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4356c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4357c5d326b2SVlad Buslov err = -EINVAL; 4358c5d326b2SVlad Buslov goto errout; 4359c5d326b2SVlad Buslov } 4360e3a2b7edSAmir Vadai 4361c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4362c5d326b2SVlad Buslov * set. 4363c5d326b2SVlad Buslov */ 4364c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4365c5d326b2SVlad Buslov err = -EINVAL; 4366c5d326b2SVlad Buslov goto errout; 4367c5d326b2SVlad Buslov } 436805866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4369c5d326b2SVlad Buslov rcu_read_unlock(); 4370e3a2b7edSAmir Vadai 43717a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 43725a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4373e3a2b7edSAmir Vadai 43747dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4375e3a2b7edSAmir Vadai return 0; 4376c5d326b2SVlad Buslov 4377c5d326b2SVlad Buslov errout: 4378c5d326b2SVlad Buslov rcu_read_unlock(); 4379c5d326b2SVlad Buslov return err; 4380e3a2b7edSAmir Vadai } 4381e3a2b7edSAmir Vadai 438271d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4383226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4384aad7e08dSAmir Vadai { 438504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4386d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 438704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4388aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4389aad7e08dSAmir Vadai struct mlx5_fc *counter; 4390316d5f72SRoi Dayan u64 lastuse = 0; 4391316d5f72SRoi Dayan u64 packets = 0; 4392316d5f72SRoi Dayan u64 bytes = 0; 43935a7e5bcbSVlad Buslov int err = 0; 4394aad7e08dSAmir Vadai 4395c5d326b2SVlad Buslov rcu_read_lock(); 4396c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 43975a7e5bcbSVlad Buslov tc_ht_params)); 4398c5d326b2SVlad Buslov rcu_read_unlock(); 43995a7e5bcbSVlad Buslov if (IS_ERR(flow)) 44005a7e5bcbSVlad Buslov return PTR_ERR(flow); 44015a7e5bcbSVlad Buslov 44025a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 44035a7e5bcbSVlad Buslov err = -EINVAL; 44045a7e5bcbSVlad Buslov goto errout; 44055a7e5bcbSVlad Buslov } 4406aad7e08dSAmir Vadai 44074c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4408b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4409aad7e08dSAmir Vadai if (!counter) 44105a7e5bcbSVlad Buslov goto errout; 4411aad7e08dSAmir Vadai 4412aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4413316d5f72SRoi Dayan } 4414aad7e08dSAmir Vadai 4415316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4416316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4417316d5f72SRoi Dayan */ 441804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 441904de7ddaSRoi Dayan if (!peer_esw) 442004de7ddaSRoi Dayan goto out; 442104de7ddaSRoi Dayan 4422226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4423226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 442404de7ddaSRoi Dayan u64 bytes2; 442504de7ddaSRoi Dayan u64 packets2; 442604de7ddaSRoi Dayan u64 lastuse2; 442704de7ddaSRoi Dayan 442804de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4429316d5f72SRoi Dayan if (!counter) 4430316d5f72SRoi Dayan goto no_peer_counter; 443104de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 443204de7ddaSRoi Dayan 443304de7ddaSRoi Dayan bytes += bytes2; 443404de7ddaSRoi Dayan packets += packets2; 443504de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 443604de7ddaSRoi Dayan } 443704de7ddaSRoi Dayan 4438316d5f72SRoi Dayan no_peer_counter: 443904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 444004de7ddaSRoi Dayan out: 44414b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 444293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 44437a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 44445a7e5bcbSVlad Buslov errout: 44455a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 44465a7e5bcbSVlad Buslov return err; 4447aad7e08dSAmir Vadai } 4448aad7e08dSAmir Vadai 44491fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4450fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4451fcb64c0fSEli Cohen { 4452fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4453fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 44541fe3e316SParav Pandit u32 rate_mbps = 0; 4455fcb64c0fSEli Cohen u16 vport_num; 4456fcb64c0fSEli Cohen int err; 4457fcb64c0fSEli Cohen 4458e401a184SEli Cohen vport_num = rpriv->rep->vport; 4459e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4460e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4461e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4462e401a184SEli Cohen return -EOPNOTSUPP; 4463e401a184SEli Cohen } 4464e401a184SEli Cohen 4465fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4466fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4467fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4468fcb64c0fSEli Cohen * mbit means million bits. 4469fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4470fcb64c0fSEli Cohen * 1 mbit/sec. 4471fcb64c0fSEli Cohen */ 44721fe3e316SParav Pandit if (rate) { 44731fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 44748b90d897SParav Pandit do_div(rate, 1000000); 44758b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 44761fe3e316SParav Pandit } 44771fe3e316SParav Pandit 44782d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4479fcb64c0fSEli Cohen if (err) 4480fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4481fcb64c0fSEli Cohen 4482fcb64c0fSEli Cohen return err; 4483fcb64c0fSEli Cohen } 4484fcb64c0fSEli Cohen 4485d97b4b10SJianbo Liu static int mlx5e_policer_validate(const struct flow_action *action, 4486d97b4b10SJianbo Liu const struct flow_action_entry *act, 4487d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 4488d97b4b10SJianbo Liu { 4489d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 4490d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4491d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 4492d97b4b10SJianbo Liu return -EOPNOTSUPP; 4493d97b4b10SJianbo Liu } 4494d97b4b10SJianbo Liu 4495d97b4b10SJianbo Liu if (act->police.notexceed.act_id != FLOW_ACTION_PIPE && 4496d97b4b10SJianbo Liu act->police.notexceed.act_id != FLOW_ACTION_ACCEPT) { 4497d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4498d97b4b10SJianbo Liu "Offload not supported when conform action is not pipe or ok"); 4499d97b4b10SJianbo Liu return -EOPNOTSUPP; 4500d97b4b10SJianbo Liu } 4501d97b4b10SJianbo Liu 4502d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 4503d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 4504d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4505d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 4506d97b4b10SJianbo Liu return -EOPNOTSUPP; 4507d97b4b10SJianbo Liu } 4508d97b4b10SJianbo Liu 4509d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 4510d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 4511d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4512d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 4513d97b4b10SJianbo Liu return -EOPNOTSUPP; 4514d97b4b10SJianbo Liu } 4515d97b4b10SJianbo Liu 4516d97b4b10SJianbo Liu if (act->police.rate_pkt_ps) { 4517d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4518d97b4b10SJianbo Liu "QoS offload not support packets per second"); 4519d97b4b10SJianbo Liu return -EOPNOTSUPP; 4520d97b4b10SJianbo Liu } 4521d97b4b10SJianbo Liu 4522d97b4b10SJianbo Liu return 0; 4523d97b4b10SJianbo Liu } 4524d97b4b10SJianbo Liu 4525fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4526fcb64c0fSEli Cohen struct flow_action *flow_action, 4527fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4528fcb64c0fSEli Cohen { 4529fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4530fcb64c0fSEli Cohen const struct flow_action_entry *act; 4531fcb64c0fSEli Cohen int err; 4532fcb64c0fSEli Cohen int i; 4533fcb64c0fSEli Cohen 4534fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4535fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4536fcb64c0fSEli Cohen return -EINVAL; 4537fcb64c0fSEli Cohen } 4538fcb64c0fSEli Cohen 4539fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4540fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4541fcb64c0fSEli Cohen return -EOPNOTSUPP; 4542fcb64c0fSEli Cohen } 4543fcb64c0fSEli Cohen 45440885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 45450885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4546319a1d19SJiri Pirko return -EOPNOTSUPP; 45470885ae1aSAbhiram R N } 4548319a1d19SJiri Pirko 4549fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4550fcb64c0fSEli Cohen switch (act->id) { 4551fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4552d97b4b10SJianbo Liu err = mlx5e_policer_validate(flow_action, act, extack); 4553d97b4b10SJianbo Liu if (err) 4554d97b4b10SJianbo Liu return err; 4555d97b4b10SJianbo Liu 4556fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4557fcb64c0fSEli Cohen if (err) 4558fcb64c0fSEli Cohen return err; 4559fcb64c0fSEli Cohen 4560fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4561fcb64c0fSEli Cohen break; 4562fcb64c0fSEli Cohen default: 4563fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4564fcb64c0fSEli Cohen return -EOPNOTSUPP; 4565fcb64c0fSEli Cohen } 4566fcb64c0fSEli Cohen } 4567fcb64c0fSEli Cohen 4568fcb64c0fSEli Cohen return 0; 4569fcb64c0fSEli Cohen } 4570fcb64c0fSEli Cohen 4571fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4572fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4573fcb64c0fSEli Cohen { 4574fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4575fcb64c0fSEli Cohen 45767b83355fSEli Cohen if (ma->common.prio != 1) { 4577fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4578fcb64c0fSEli Cohen return -EINVAL; 4579fcb64c0fSEli Cohen } 4580fcb64c0fSEli Cohen 4581fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4582fcb64c0fSEli Cohen } 4583fcb64c0fSEli Cohen 4584fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4585fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4586fcb64c0fSEli Cohen { 4587fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4588fcb64c0fSEli Cohen 4589fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4590fcb64c0fSEli Cohen } 4591fcb64c0fSEli Cohen 4592fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4593fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4594fcb64c0fSEli Cohen { 4595fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4596fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4597fcb64c0fSEli Cohen u64 dbytes; 4598fcb64c0fSEli Cohen u64 dpkts; 4599fcb64c0fSEli Cohen 4600fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4601fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4602fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4603fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 46044b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 460593a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4606fcb64c0fSEli Cohen } 4607fcb64c0fSEli Cohen 46084d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 46094d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 46104d8fcf21SAlaa Hleihel { 46114d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4612db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4613db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 46144d8fcf21SAlaa Hleihel u16 peer_vhca_id; 46154d8fcf21SAlaa Hleihel int bkt; 46164d8fcf21SAlaa Hleihel 4617ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 46184d8fcf21SAlaa Hleihel return; 46194d8fcf21SAlaa Hleihel 46204d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 46214d8fcf21SAlaa Hleihel 4622b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4623db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4624db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4625db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4626b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4627db76ca24SVlad Buslov 4628db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4629db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4630db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4631a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4632db76ca24SVlad Buslov 4633db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4634db76ca24SVlad Buslov } 46354d8fcf21SAlaa Hleihel } 46364d8fcf21SAlaa Hleihel 46374d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 46384d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 46394d8fcf21SAlaa Hleihel { 46404d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 46414d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 46424d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 46434d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 46444d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 46454d8fcf21SAlaa Hleihel 46464d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 46474d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 46484d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 46494d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46504d8fcf21SAlaa Hleihel 46514d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 46524d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 46534d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 46544d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 46554d8fcf21SAlaa Hleihel if (priv == peer_priv || 46564d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 46574d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46584d8fcf21SAlaa Hleihel 46594d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 46604d8fcf21SAlaa Hleihel 46614d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46624d8fcf21SAlaa Hleihel } 46634d8fcf21SAlaa Hleihel 46646a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 46656a064674SAriel Levkovich { 46666a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 46676a064674SAriel Levkovich u32 max_flow_counter; 46686a064674SAriel Levkovich 46696a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 46706a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 46716a064674SAriel Levkovich 46726a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 46736a064674SAriel Levkovich 46746a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 46756a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 46766a064674SAriel Levkovich 46776a064674SAriel Levkovich return tc_tbl_size; 46786a064674SAriel Levkovich } 46796a064674SAriel Levkovich 4680655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4681e8f887acSAmir Vadai { 4682acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 46836a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4684c9355682SChris Mi struct mapping_ctx *chains_mapping; 46856a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 46862198b932SRoi Dayan u64 mapping_id; 46874d8fcf21SAlaa Hleihel int err; 4688e8f887acSAmir Vadai 4689b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4690b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4691b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 46925c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 469311c9c548SOr Gerlitz 46944d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 46954d8fcf21SAlaa Hleihel if (err) 46964d8fcf21SAlaa Hleihel return err; 46974d8fcf21SAlaa Hleihel 46989ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 46999ba33339SRoi Dayan 47002198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 47012198b932SRoi Dayan 47022198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 47032198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4704c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 47052198b932SRoi Dayan 4706c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4707c9355682SChris Mi err = PTR_ERR(chains_mapping); 4708c9355682SChris Mi goto err_mapping; 4709c9355682SChris Mi } 4710c9355682SChris Mi tc->mapping = chains_mapping; 4711c9355682SChris Mi 4712c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4713c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4714c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 47156a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 47166a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 47176a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 47186783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4719c9355682SChris Mi attr.mapping = chains_mapping; 47206a064674SAriel Levkovich 47216a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 47226a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 47236a064674SAriel Levkovich err = PTR_ERR(tc->chains); 47246a064674SAriel Levkovich goto err_chains; 47256a064674SAriel Levkovich } 47266a064674SAriel Levkovich 4727f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 4728aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4729f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 4730aedd133dSAriel Levkovich 47314d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4732d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4733d48834f9SJiri Pirko &tc->netdevice_nb, 4734d48834f9SJiri Pirko &tc->netdevice_nn); 4735d48834f9SJiri Pirko if (err) { 47364d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 47374d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 47386a064674SAriel Levkovich goto err_reg; 47394d8fcf21SAlaa Hleihel } 47404d8fcf21SAlaa Hleihel 47416a064674SAriel Levkovich return 0; 47426a064674SAriel Levkovich 47436a064674SAriel Levkovich err_reg: 4744aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4745f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 47466a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 47476a064674SAriel Levkovich err_chains: 4748c9355682SChris Mi mapping_destroy(chains_mapping); 4749c9355682SChris Mi err_mapping: 47506a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 47514d8fcf21SAlaa Hleihel return err; 4752e8f887acSAmir Vadai } 4753e8f887acSAmir Vadai 4754e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4755e8f887acSAmir Vadai { 4756e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4757655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4758e8f887acSAmir Vadai 4759961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4760e8f887acSAmir Vadai kfree(flow); 4761e8f887acSAmir Vadai } 4762e8f887acSAmir Vadai 4763655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4764e8f887acSAmir Vadai { 4765acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4766e8f887acSAmir Vadai 47674d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4768d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4769d48834f9SJiri Pirko &tc->netdevice_nb, 4770d48834f9SJiri Pirko &tc->netdevice_nn); 47714d8fcf21SAlaa Hleihel 4772b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4773b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4774b32accdaSVlad Buslov 47756a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4776e8f887acSAmir Vadai 4777acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 47786a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4779acff797cSMaor Gottlieb tc->t = NULL; 4780e8f887acSAmir Vadai } 4781b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 47826a064674SAriel Levkovich 4783aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4784f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 4785c9355682SChris Mi mapping_destroy(tc->mapping); 47866a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4787e8f887acSAmir Vadai } 4788655dc3d2SOr Gerlitz 4789d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 4790d1a3138fSPaul Blakey { 4791d1a3138fSPaul Blakey int err; 4792d1a3138fSPaul Blakey 4793d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 4794d1a3138fSPaul Blakey if (err) 4795d1a3138fSPaul Blakey return err; 4796d1a3138fSPaul Blakey 4797d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 4798d1a3138fSPaul Blakey 4799d1a3138fSPaul Blakey return 0; 4800d1a3138fSPaul Blakey } 4801d1a3138fSPaul Blakey 4802d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 4803d1a3138fSPaul Blakey { 4804d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4805d1a3138fSPaul Blakey } 4806d1a3138fSPaul Blakey 4807d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 4808655dc3d2SOr Gerlitz { 4809d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 4810aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 48110a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4812aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4813aedd133dSAriel Levkovich struct mlx5e_priv *priv; 48142198b932SRoi Dayan u64 mapping_id; 4815aedd133dSAriel Levkovich int err = 0; 48160a7fcb78SPaul Blakey 4817aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4818aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4819aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 48200a7fcb78SPaul Blakey 4821f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 4822f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 4823aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4824aedd133dSAriel Levkovich esw_chains(esw), 4825aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4826f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 4827f0da4daaSChris Mi uplink_priv->post_act); 48284c3844d9SPaul Blakey 48294f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 48304f4edcc2SAriel Levkovich 48312741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 48322a9ab10aSChris Mi 48332198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 48342198b932SRoi Dayan 48352198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 48362198b932SRoi Dayan sizeof(struct tunnel_match_key), 48370a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 48382198b932SRoi Dayan 48390a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 48400a7fcb78SPaul Blakey err = PTR_ERR(mapping); 48410a7fcb78SPaul Blakey goto err_tun_mapping; 48420a7fcb78SPaul Blakey } 48430a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 48440a7fcb78SPaul Blakey 48453222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 48463222efd4SVlad Buslov * and bridge ingress push mark. 48473222efd4SVlad Buslov */ 48482198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 48493222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 48500a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 48510a7fcb78SPaul Blakey err = PTR_ERR(mapping); 48520a7fcb78SPaul Blakey goto err_enc_opts_mapping; 48530a7fcb78SPaul Blakey } 48540a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 48550a7fcb78SPaul Blakey 48568914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 48572b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 48582b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 48598914add2SVlad Buslov goto err_register_fib_notifier; 48602b6c3c1eSWei Yongjun } 48618914add2SVlad Buslov 48622b6c3c1eSWei Yongjun return 0; 48630a7fcb78SPaul Blakey 48648914add2SVlad Buslov err_register_fib_notifier: 48650a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 48660a7fcb78SPaul Blakey err_enc_opts_mapping: 48670a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 48680a7fcb78SPaul Blakey err_tun_mapping: 48690027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 48704f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4871aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 48720a7fcb78SPaul Blakey netdev_warn(priv->netdev, 48730a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 4874f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 48750a7fcb78SPaul Blakey return err; 4876655dc3d2SOr Gerlitz } 4877655dc3d2SOr Gerlitz 4878d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 4879655dc3d2SOr Gerlitz { 48808914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 48818914add2SVlad Buslov 48820a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 48830a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 48844c3844d9SPaul Blakey 48850027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 48864f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4887aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 4888f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 4889655dc3d2SOr Gerlitz } 489001252a27SOr Gerlitz 4891226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 489201252a27SOr Gerlitz { 4893d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 489401252a27SOr Gerlitz 489501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 489601252a27SOr Gerlitz } 489704de7ddaSRoi Dayan 489804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 489904de7ddaSRoi Dayan { 490004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 490104de7ddaSRoi Dayan 490204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 490304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 490404de7ddaSRoi Dayan } 4905b4a23329SRoi Dayan 4906b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4907b4a23329SRoi Dayan { 4908b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4909b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4910b4a23329SRoi Dayan reoffload_flows_work); 4911b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4912b4a23329SRoi Dayan 4913ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4914b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4915b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4916ad86755bSVlad Buslov unready_flow_del(flow); 4917b4a23329SRoi Dayan } 4918ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4919b4a23329SRoi Dayan } 4920e2394a61SVlad Buslov 4921e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 4922e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 4923e2394a61SVlad Buslov unsigned long flags) 4924e2394a61SVlad Buslov { 4925e2394a61SVlad Buslov switch (cls_flower->command) { 4926e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 4927e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 4928e2394a61SVlad Buslov flags); 4929e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 4930e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 4931e2394a61SVlad Buslov flags); 4932e2394a61SVlad Buslov case FLOW_CLS_STATS: 4933e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 4934e2394a61SVlad Buslov flags); 4935e2394a61SVlad Buslov default: 4936e2394a61SVlad Buslov return -EOPNOTSUPP; 4937e2394a61SVlad Buslov } 4938e2394a61SVlad Buslov } 4939e2394a61SVlad Buslov 4940e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 4941e2394a61SVlad Buslov void *cb_priv) 4942e2394a61SVlad Buslov { 4943ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 4944e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 4945e2394a61SVlad Buslov 49462ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 49472ff349c5SRoi Dayan return -EOPNOTSUPP; 49482ff349c5SRoi Dayan 4949ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 4950ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 4951ec9457a6SRoi Dayan else 4952ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 4953ec9457a6SRoi Dayan 4954e2394a61SVlad Buslov switch (type) { 4955e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 4956e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 4957e2394a61SVlad Buslov default: 4958e2394a61SVlad Buslov return -EOPNOTSUPP; 4959e2394a61SVlad Buslov } 4960e2394a61SVlad Buslov } 4961c7569097SAriel Levkovich 4962c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 4963c7569097SAriel Levkovich struct sk_buff *skb) 4964c7569097SAriel Levkovich { 4965c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4966aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 4967c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 4968aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 4969a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 4970c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 4971c7569097SAriel Levkovich int err; 4972c7569097SAriel Levkovich 4973c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 4974c7569097SAriel Levkovich 4975c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 4976c7569097SAriel Levkovich 4977c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 4978c7569097SAriel Levkovich if (err) { 4979c7569097SAriel Levkovich netdev_dbg(priv->netdev, 4980c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 4981c7569097SAriel Levkovich chain_tag, err); 4982c7569097SAriel Levkovich return false; 4983c7569097SAriel Levkovich } 4984c7569097SAriel Levkovich 4985a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 4986a91d98a0SChris Mi chain = mapped_obj.chain; 49879453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 4988c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 4989c7569097SAriel Levkovich return false; 4990c7569097SAriel Levkovich 4991c7569097SAriel Levkovich tc_skb_ext->chain = chain; 4992aedd133dSAriel Levkovich 4993ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 499448d216e5SVlad Buslov ESW_ZONE_ID_MASK; 4995aedd133dSAriel Levkovich 4996aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 4997aedd133dSAriel Levkovich zone_restore_id)) 4998aedd133dSAriel Levkovich return false; 4999a91d98a0SChris Mi } else { 5000a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5001a91d98a0SChris Mi return false; 5002c7569097SAriel Levkovich } 5003c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5004c7569097SAriel Levkovich 5005c7569097SAriel Levkovich return true; 5006c7569097SAriel Levkovich } 5007