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" 6206fe52a4SJianbo Liu #include "en/tc/post_meter.h" 6304de7ddaSRoi Dayan #include "lib/devcom.h" 649272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 65ae430332SAriel Levkovich #include "lib/fs_chains.h" 667a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 671fe3e316SParav Pandit #include <asm/div64.h> 68016c8946SJakub Kicinski #include "lag/lag.h" 69016c8946SJakub Kicinski #include "lag/mp.h" 70e8f887acSAmir Vadai 71acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 726a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 73e8f887acSAmir Vadai 7423bde065SLama Kayal struct mlx5e_tc_table { 7523bde065SLama Kayal /* Protects the dynamic assignment of the t parameter 7623bde065SLama Kayal * which is the nic tc root table. 7723bde065SLama Kayal */ 7823bde065SLama Kayal struct mutex t_lock; 7923bde065SLama Kayal struct mlx5e_priv *priv; 8023bde065SLama Kayal struct mlx5_flow_table *t; 8123bde065SLama Kayal struct mlx5_flow_table *miss_t; 8223bde065SLama Kayal struct mlx5_fs_chains *chains; 8323bde065SLama Kayal struct mlx5e_post_act *post_act; 8423bde065SLama Kayal 8523bde065SLama Kayal struct rhashtable ht; 8623bde065SLama Kayal 8723bde065SLama Kayal struct mod_hdr_tbl mod_hdr; 8823bde065SLama Kayal struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ 8923bde065SLama Kayal DECLARE_HASHTABLE(hairpin_tbl, 8); 9023bde065SLama Kayal 9123bde065SLama Kayal struct notifier_block netdevice_nb; 9223bde065SLama Kayal struct netdev_net_notifier netdevice_nn; 9323bde065SLama Kayal 9423bde065SLama Kayal struct mlx5_tc_ct_priv *ct; 9523bde065SLama Kayal struct mapping_ctx *mapping; 9623bde065SLama Kayal }; 9723bde065SLama Kayal 988f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 998f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1008f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1018f1e0b97SPaul Blakey .moffset = 0, 102ed2fe7baSPaul Blakey .mlen = 16, 1038f1e0b97SPaul Blakey }, 10410742efcSVlad Buslov [VPORT_TO_REG] = { 10510742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 106ed2fe7baSPaul Blakey .moffset = 16, 107ed2fe7baSPaul Blakey .mlen = 16, 10810742efcSVlad Buslov }, 1090a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1100a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 111ed2fe7baSPaul Blakey .moffset = 8, 112ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 1130a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1140a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1150a7fcb78SPaul Blakey }, 1164c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 117a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1184c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1194c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1204c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1214c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 12239c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 123c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 124c7569097SAriel Levkovich * jump between steering domains. 125c7569097SAriel Levkovich */ 126c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 127c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 128c7569097SAriel Levkovich .moffset = 0, 129ed2fe7baSPaul Blakey .mlen = 16, 130c7569097SAriel Levkovich }, 131aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 13206fe52a4SJianbo Liu [PACKET_COLOR_TO_REG] = packet_color_to_reg, 1338f1e0b97SPaul Blakey }; 1348f1e0b97SPaul Blakey 13523bde065SLama Kayal struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) 13623bde065SLama Kayal { 13723bde065SLama Kayal struct mlx5e_tc_table *tc; 13823bde065SLama Kayal 13923bde065SLama Kayal tc = kvzalloc(sizeof(*tc), GFP_KERNEL); 14023bde065SLama Kayal return tc ? tc : ERR_PTR(-ENOMEM); 14123bde065SLama Kayal } 14223bde065SLama Kayal 14323bde065SLama Kayal void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) 14423bde065SLama Kayal { 14523bde065SLama Kayal kvfree(tc); 14623bde065SLama Kayal } 14723bde065SLama Kayal 14823bde065SLama Kayal struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc) 14923bde065SLama Kayal { 15023bde065SLama Kayal return tc->chains; 15123bde065SLama Kayal } 15223bde065SLama Kayal 1539ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1549ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1559ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1569ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1579ba33339SRoi Dayan * it's different than the ht->mutex here. 1589ba33339SRoi Dayan */ 1599ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1609ba33339SRoi Dayan 1610a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1628300f225SRoi Dayan static void free_flow_post_acts(struct mlx5e_tc_flow *flow); 1630a7fcb78SPaul Blakey 1640a7fcb78SPaul Blakey void 1650a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1660a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 167ed2fe7baSPaul Blakey u32 val, 1680a7fcb78SPaul Blakey u32 mask) 1690a7fcb78SPaul Blakey { 170ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1710a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 172ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1730a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 174ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 175ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 176ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1770a7fcb78SPaul Blakey 1780a7fcb78SPaul Blakey fmask = headers_c + soffset; 1790a7fcb78SPaul Blakey fval = headers_v + soffset; 1800a7fcb78SPaul Blakey 181ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 182ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1830a7fcb78SPaul Blakey 184ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 185ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 186ed2fe7baSPaul Blakey 187ed2fe7baSPaul Blakey //move to correct offset 188ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 189ed2fe7baSPaul Blakey mask <<= moffset; 190ed2fe7baSPaul Blakey val <<= moffset; 191ed2fe7baSPaul Blakey max_mask <<= moffset; 192ed2fe7baSPaul Blakey 193ed2fe7baSPaul Blakey //zero val and mask 194ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 195ed2fe7baSPaul Blakey curr_val &= ~max_mask; 196ed2fe7baSPaul Blakey 197ed2fe7baSPaul Blakey //add current to mask 198ed2fe7baSPaul Blakey curr_mask |= mask; 199ed2fe7baSPaul Blakey curr_val |= val; 200ed2fe7baSPaul Blakey 201ed2fe7baSPaul Blakey //back to be32 and write 202ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 203ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 204ed2fe7baSPaul Blakey 205ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 206ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 2070a7fcb78SPaul Blakey 2080a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2090a7fcb78SPaul Blakey } 2100a7fcb78SPaul Blakey 2117e36feebSPaul Blakey void 2127e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2137e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 214ed2fe7baSPaul Blakey u32 *val, 2157e36feebSPaul Blakey u32 *mask) 2167e36feebSPaul Blakey { 217ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 2187e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 219ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2207e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 221ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 222ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 223ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2247e36feebSPaul Blakey 2257e36feebSPaul Blakey fmask = headers_c + soffset; 2267e36feebSPaul Blakey fval = headers_v + soffset; 2277e36feebSPaul Blakey 228ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 229ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2307e36feebSPaul Blakey 231ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 232ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 233ed2fe7baSPaul Blakey 234ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 235ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 2367e36feebSPaul Blakey } 2377e36feebSPaul Blakey 2380a7fcb78SPaul Blakey int 239c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2400a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 241aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2420a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2430a7fcb78SPaul Blakey u32 data) 2440a7fcb78SPaul Blakey { 2450a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2460a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2470a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2480a7fcb78SPaul Blakey char *modact; 2490a7fcb78SPaul Blakey int err; 2500a7fcb78SPaul Blakey 2512c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2522c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2532c0e5cf5SPaul Blakey return PTR_ERR(modact); 2540a7fcb78SPaul Blakey 2550a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 256ed2fe7baSPaul Blakey if (mlen == 32) 2570a7fcb78SPaul Blakey mlen = 0; 2580a7fcb78SPaul Blakey 2590a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2600a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 261ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 262ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2630a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 264c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2650a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2660a7fcb78SPaul Blakey 267c7b9038dSVlad Buslov return err; 2680a7fcb78SPaul Blakey } 2690a7fcb78SPaul Blakey 27027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 27127484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 27227484f71SAriel Levkovich { 27327484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 27427484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 27527484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 27627484f71SAriel Levkovich 27727484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 27827484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 27927484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 28027484f71SAriel Levkovich 28127484f71SAriel Levkovich return uplink_priv->int_port_priv; 28227484f71SAriel Levkovich } 28327484f71SAriel Levkovich 28427484f71SAriel Levkovich return NULL; 28527484f71SAriel Levkovich } 28627484f71SAriel Levkovich 28774e6b2a8SJianbo Liu struct mlx5e_flow_meters * 28874e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 28974e6b2a8SJianbo Liu { 29074e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 29174e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 29274e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 29374e6b2a8SJianbo Liu struct mlx5e_priv *priv; 29474e6b2a8SJianbo Liu 29574e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 29674e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 29774e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 29874e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 29974e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 30074e6b2a8SJianbo Liu uplink_priv->flow_meters = 30174e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 30274e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 30374e6b2a8SJianbo Liu uplink_priv->post_act); 30474e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 30574e6b2a8SJianbo Liu return uplink_priv->flow_meters; 30674e6b2a8SJianbo Liu } 30774e6b2a8SJianbo Liu 30874e6b2a8SJianbo Liu return NULL; 30974e6b2a8SJianbo Liu } 31074e6b2a8SJianbo Liu 311aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 312aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 313aedd133dSAriel Levkovich { 314f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 315aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 316aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 317aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 318aedd133dSAriel Levkovich 319e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 320aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 321aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 322aedd133dSAriel Levkovich 323aedd133dSAriel Levkovich return uplink_priv->ct_priv; 324aedd133dSAriel Levkovich } 325aedd133dSAriel Levkovich 326f52f2faeSLama Kayal return tc->ct; 327aedd133dSAriel Levkovich } 328aedd133dSAriel Levkovich 3290027d70cSChris Mi static struct mlx5e_tc_psample * 330f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 331f94d6389SChris Mi { 332f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 333f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 334f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 335f94d6389SChris Mi 336f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 337f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 338f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 339f94d6389SChris Mi 3400027d70cSChris Mi return uplink_priv->tc_psample; 341f94d6389SChris Mi } 342f94d6389SChris Mi 343f94d6389SChris Mi return NULL; 344f94d6389SChris Mi } 345f94d6389SChris Mi 3468300f225SRoi Dayan static struct mlx5e_post_act * 3478300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3488300f225SRoi Dayan { 349f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3508300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3518300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3528300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3538300f225SRoi Dayan 3548300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3558300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3568300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3578300f225SRoi Dayan 3588300f225SRoi Dayan return uplink_priv->post_act; 3598300f225SRoi Dayan } 3608300f225SRoi Dayan 361f52f2faeSLama Kayal return tc->post_act; 3628300f225SRoi Dayan } 3638300f225SRoi Dayan 364aedd133dSAriel Levkovich struct mlx5_flow_handle * 365aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 366aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 367aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 368aedd133dSAriel Levkovich { 369aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 370aedd133dSAriel Levkovich 371e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 372aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 373aedd133dSAriel Levkovich 374aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 375aedd133dSAriel Levkovich } 376aedd133dSAriel Levkovich 377aedd133dSAriel Levkovich void 378aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 379aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 380aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 381aedd133dSAriel Levkovich { 382aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 383aedd133dSAriel Levkovich 384e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 385aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 386aedd133dSAriel Levkovich return; 387aedd133dSAriel Levkovich } 388aedd133dSAriel Levkovich 389aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 390aedd133dSAriel Levkovich } 391aedd133dSAriel Levkovich 392a8d52b02SJianbo Liu static bool 393a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 394a8d52b02SJianbo Liu { 395a8d52b02SJianbo Liu return ((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 396a8d52b02SJianbo Liu (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)); 397a8d52b02SJianbo Liu } 398a8d52b02SJianbo Liu 399a8d52b02SJianbo Liu static int 400a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 401a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 402a8d52b02SJianbo Liu { 403e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 404e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 405e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 406a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 407a8d52b02SJianbo Liu 408f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 409a8d52b02SJianbo Liu if (IS_ERR(meter)) { 410a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 411a8d52b02SJianbo Liu return PTR_ERR(meter); 412a8d52b02SJianbo Liu } 413a8d52b02SJianbo Liu 414e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 415b50ce435SRoi Dayan post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, meter->green_counter, 416b50ce435SRoi Dayan meter->red_counter); 417e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 418e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 419e5b1db27SRoi Dayan goto err_meter_init; 420e5b1db27SRoi Dayan } 421e5b1db27SRoi Dayan 422a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 423e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 424e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 425a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 426a8d52b02SJianbo Liu 427a8d52b02SJianbo Liu return 0; 428e5b1db27SRoi Dayan 429e5b1db27SRoi Dayan err_meter_init: 430e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 431e5b1db27SRoi Dayan return PTR_ERR(post_meter); 432e5b1db27SRoi Dayan } 433e5b1db27SRoi Dayan 434e5b1db27SRoi Dayan static void 435e5b1db27SRoi Dayan mlx5e_tc_del_flow_meter(struct mlx5_flow_attr *attr) 436e5b1db27SRoi Dayan { 437e5b1db27SRoi Dayan mlx5e_post_meter_cleanup(attr->meter_attr.post_meter); 438e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 439a8d52b02SJianbo Liu } 440a8d52b02SJianbo Liu 44184ba8062SRoi Dayan struct mlx5_flow_handle * 44284ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 44384ba8062SRoi Dayan struct mlx5_flow_spec *spec, 44484ba8062SRoi Dayan struct mlx5_flow_attr *attr) 44584ba8062SRoi Dayan { 44684ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 447a8d52b02SJianbo Liu int err; 44884ba8062SRoi Dayan 44984ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 45084ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 45184ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 45284ba8062SRoi Dayan 453a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 45484ba8062SRoi Dayan spec, attr, 45584ba8062SRoi Dayan mod_hdr_acts); 45684ba8062SRoi Dayan } 45784ba8062SRoi Dayan 45884ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 45984ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 46084ba8062SRoi Dayan 46184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 46273a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 46384ba8062SRoi Dayan 464a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 465a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 466a8d52b02SJianbo Liu if (err) 467a8d52b02SJianbo Liu return ERR_PTR(err); 468a8d52b02SJianbo Liu } 469a8d52b02SJianbo Liu 47084ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 47184ba8062SRoi Dayan } 47284ba8062SRoi Dayan 47384ba8062SRoi Dayan void 47484ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 475a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 47684ba8062SRoi Dayan struct mlx5_flow_attr *attr) 47784ba8062SRoi Dayan { 47884ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 47984ba8062SRoi Dayan 48084ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 481a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 48284ba8062SRoi Dayan return; 48384ba8062SRoi Dayan } 48484ba8062SRoi Dayan 48584ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 48684ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 48784ba8062SRoi Dayan return; 48884ba8062SRoi Dayan } 48984ba8062SRoi Dayan 49084ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 49184ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 49284ba8062SRoi Dayan return; 49384ba8062SRoi Dayan } 49484ba8062SRoi Dayan 49584ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 496a8d52b02SJianbo Liu 497a8d52b02SJianbo Liu if (attr->meter_attr.meter) 498e5b1db27SRoi Dayan mlx5e_tc_del_flow_meter(attr); 49984ba8062SRoi Dayan } 50084ba8062SRoi Dayan 501c7b9038dSVlad Buslov int 502c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 503c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 504c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 505c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 506c7b9038dSVlad Buslov u32 data) 507c7b9038dSVlad Buslov { 508c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 509c7b9038dSVlad Buslov 510c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 511c7b9038dSVlad Buslov } 512c7b9038dSVlad Buslov 513c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 514c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 515c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 516c7b9038dSVlad Buslov int act_id, u32 data) 517c7b9038dSVlad Buslov { 518c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 519c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 520c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 521c7b9038dSVlad Buslov char *modact; 522c7b9038dSVlad Buslov 5232c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 524c7b9038dSVlad Buslov 525c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 526ed2fe7baSPaul Blakey if (mlen == 32) 527c7b9038dSVlad Buslov mlen = 0; 528c7b9038dSVlad Buslov 529c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 530c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 531ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 532ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 533c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 534c7b9038dSVlad Buslov } 535c7b9038dSVlad Buslov 53677ab67b7SOr Gerlitz struct mlx5e_hairpin { 53777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 53877ab67b7SOr Gerlitz 53977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5403f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 54177ab67b7SOr Gerlitz u32 tdn; 542a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5433f6d08d1SOr Gerlitz 5443f6d08d1SOr Gerlitz int num_channels; 5453f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 546a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 547f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 54877ab67b7SOr Gerlitz }; 54977ab67b7SOr Gerlitz 5505c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5515c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5525c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 5535c65c564SOr Gerlitz 55473edca73SVlad Buslov /* protects flows list */ 55573edca73SVlad Buslov spinlock_t flows_lock; 5565c65c564SOr Gerlitz /* flows sharing the same hairpin */ 5575c65c564SOr Gerlitz struct list_head flows; 558db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 559db76ca24SVlad Buslov * function traversed them. 560db76ca24SVlad Buslov */ 561db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 5625c65c564SOr Gerlitz 563d8822868SOr Gerlitz u16 peer_vhca_id; 564106be53bSOr Gerlitz u8 prio; 5655c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 566e4f9abbdSVlad Buslov refcount_t refcnt; 567db76ca24SVlad Buslov struct completion res_ready; 5685c65c564SOr Gerlitz }; 5695c65c564SOr Gerlitz 5705a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 5715a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 5725a7e5bcbSVlad Buslov 5730d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 5745a7e5bcbSVlad Buslov { 5755a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 5765a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 5775a7e5bcbSVlad Buslov return flow; 5785a7e5bcbSVlad Buslov } 5795a7e5bcbSVlad Buslov 5800d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 5815a7e5bcbSVlad Buslov { 5825a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 5835a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 584c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 5855a7e5bcbSVlad Buslov } 5865a7e5bcbSVlad Buslov } 5875a7e5bcbSVlad Buslov 588aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 589226f2ca3SVlad Buslov { 590226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 591226f2ca3SVlad Buslov } 592226f2ca3SVlad Buslov 59367d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 59484179981SPaul Blakey { 59584179981SPaul Blakey return flow_flag_test(flow, FT); 59684179981SPaul Blakey } 59784179981SPaul Blakey 5980d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 599226f2ca3SVlad Buslov { 600226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 601226f2ca3SVlad Buslov } 602226f2ca3SVlad Buslov 603e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 604d2faae25SVlad Buslov { 605d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 606d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 607d2faae25SVlad Buslov } 608b2fdf3d0SPaul Blakey 609*8facc02fSOz Shlomo static struct mlx5_core_dev * 610*8facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 611*8facc02fSOz Shlomo { 612*8facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 613*8facc02fSOz Shlomo } 614*8facc02fSOz Shlomo 615b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 616b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 617b2fdf3d0SPaul Blakey { 618f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 619b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 620b2fdf3d0SPaul Blakey 621e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 622b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 623f52f2faeSLama Kayal &tc->mod_hdr; 624b2fdf3d0SPaul Blakey } 625b2fdf3d0SPaul Blakey 62611c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 62711c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 62811c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 62911c9c548SOr Gerlitz { 630b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 631b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 63211c9c548SOr Gerlitz 633b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 634e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 635b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 636b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 637b2fdf3d0SPaul Blakey return PTR_ERR(mh); 63811c9c548SOr Gerlitz 639b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 640c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 641b2fdf3d0SPaul Blakey flow->mh = mh; 64211c9c548SOr Gerlitz 64311c9c548SOr Gerlitz return 0; 64411c9c548SOr Gerlitz } 64511c9c548SOr Gerlitz 64611c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 64711c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 64811c9c548SOr Gerlitz { 6495a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 650dd58edc3SVlad Buslov if (!flow->mh) 6515a7e5bcbSVlad Buslov return; 6525a7e5bcbSVlad Buslov 653b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 654b2fdf3d0SPaul Blakey flow->mh); 655dd58edc3SVlad Buslov flow->mh = NULL; 65611c9c548SOr Gerlitz } 65711c9c548SOr Gerlitz 65877ab67b7SOr Gerlitz static 65977ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 66077ab67b7SOr Gerlitz { 661b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 66277ab67b7SOr Gerlitz struct net_device *netdev; 66377ab67b7SOr Gerlitz struct mlx5e_priv *priv; 66477ab67b7SOr Gerlitz 665b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 666b1c2f631SDima Chumak if (!netdev) 667b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 668b1c2f631SDima Chumak 66977ab67b7SOr Gerlitz priv = netdev_priv(netdev); 670b1c2f631SDima Chumak mdev = priv->mdev; 671b1c2f631SDima Chumak dev_put(netdev); 672b1c2f631SDima Chumak 673b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 674b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 675b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 676b1c2f631SDima Chumak * 677b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 678b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 679b1c2f631SDima Chumak * removed. 680b1c2f631SDima Chumak * 681b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 682b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 683b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 684b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 685b1c2f631SDima Chumak */ 686b1c2f631SDima Chumak return mdev; 68777ab67b7SOr Gerlitz } 68877ab67b7SOr Gerlitz 68977ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 69077ab67b7SOr Gerlitz { 691a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 69277ab67b7SOr Gerlitz int err; 69377ab67b7SOr Gerlitz 694a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 695a6696735SMaxim Mikityanskiy if (!builder) 696a6696735SMaxim Mikityanskiy return -ENOMEM; 697a6696735SMaxim Mikityanskiy 69877ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 69977ab67b7SOr Gerlitz if (err) 700a6696735SMaxim Mikityanskiy goto out; 70177ab67b7SOr Gerlitz 702a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 703a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 70477ab67b7SOr Gerlitz if (err) 70577ab67b7SOr Gerlitz goto create_tir_err; 70677ab67b7SOr Gerlitz 707a6696735SMaxim Mikityanskiy out: 708a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 709a6696735SMaxim Mikityanskiy return err; 71077ab67b7SOr Gerlitz 71177ab67b7SOr Gerlitz create_tir_err: 71277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 713a6696735SMaxim Mikityanskiy 714a6696735SMaxim Mikityanskiy goto out; 71577ab67b7SOr Gerlitz } 71677ab67b7SOr Gerlitz 71777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 71877ab67b7SOr Gerlitz { 719a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 72077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 72177ab67b7SOr Gerlitz } 72277ab67b7SOr Gerlitz 7233f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7243f6d08d1SOr Gerlitz { 7253f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7263f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 72706e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 72806e9f13aSMaxim Mikityanskiy int err; 7293f6d08d1SOr Gerlitz 73006e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 73106e9f13aSMaxim Mikityanskiy if (!indir) 7323f6d08d1SOr Gerlitz return -ENOMEM; 7333f6d08d1SOr Gerlitz 73443befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 73506e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 73643ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 73743ec0f41SMaxim Mikityanskiy indir); 7383f6d08d1SOr Gerlitz 73906e9f13aSMaxim Mikityanskiy kvfree(indir); 7403f6d08d1SOr Gerlitz return err; 7413f6d08d1SOr Gerlitz } 7423f6d08d1SOr Gerlitz 7433f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7443f6d08d1SOr Gerlitz { 7453f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 74643ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 747d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 748a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 749a6696735SMaxim Mikityanskiy int err = 0; 750a6696735SMaxim Mikityanskiy 751a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 752a6696735SMaxim Mikityanskiy if (!builder) 753a6696735SMaxim Mikityanskiy return -ENOMEM; 754a6696735SMaxim Mikityanskiy 75543ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 7563f6d08d1SOr Gerlitz 7573f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 75865d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 759d930ac79SAya Levin 76065d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 7613f6d08d1SOr Gerlitz 762a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 763a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 764a6696735SMaxim Mikityanskiy false); 76543ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 766bbeb53b8SAya Levin 767a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 7683f6d08d1SOr Gerlitz if (err) { 7693f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 7703f6d08d1SOr Gerlitz goto err_destroy_tirs; 7713f6d08d1SOr Gerlitz } 772a6696735SMaxim Mikityanskiy 773a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 7743f6d08d1SOr Gerlitz } 775a6696735SMaxim Mikityanskiy 776a6696735SMaxim Mikityanskiy out: 777a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 778a6696735SMaxim Mikityanskiy return err; 7793f6d08d1SOr Gerlitz 7803f6d08d1SOr Gerlitz err_destroy_tirs: 781a6696735SMaxim Mikityanskiy max_tt = tt; 782a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 783a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 784a6696735SMaxim Mikityanskiy 785a6696735SMaxim Mikityanskiy goto out; 7863f6d08d1SOr Gerlitz } 7873f6d08d1SOr Gerlitz 7883f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 7893f6d08d1SOr Gerlitz { 7903f6d08d1SOr Gerlitz int tt; 7913f6d08d1SOr Gerlitz 7923f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 793a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 7943f6d08d1SOr Gerlitz } 7953f6d08d1SOr Gerlitz 7963f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 7973f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 7983f6d08d1SOr Gerlitz { 7993f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8003f6d08d1SOr Gerlitz int tt; 8013f6d08d1SOr Gerlitz 8023f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8033f6d08d1SOr Gerlitz 804bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 805bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 806bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 807bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 808bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 809bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 810bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 811bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 812bc29764eSMaor Gottlieb } 8133f6d08d1SOr Gerlitz 8143f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8153f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8163f6d08d1SOr Gerlitz } 8173f6d08d1SOr Gerlitz 8183f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8193f6d08d1SOr Gerlitz { 8203f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8213f6d08d1SOr Gerlitz struct ttc_params ttc_params; 822f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8233f6d08d1SOr Gerlitz int err; 8243f6d08d1SOr Gerlitz 8253f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8263f6d08d1SOr Gerlitz if (err) 8273f6d08d1SOr Gerlitz return err; 8283f6d08d1SOr Gerlitz 8293f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8303f6d08d1SOr Gerlitz if (err) 8313f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8323f6d08d1SOr Gerlitz 8333f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 834f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 835f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 836f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8373f6d08d1SOr Gerlitz goto err_create_ttc_table; 838f4b45940SMaor Gottlieb } 8393f6d08d1SOr Gerlitz 840f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8413f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 842f4b45940SMaor Gottlieb hp->num_channels, 843f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8443f6d08d1SOr Gerlitz 8453f6d08d1SOr Gerlitz return 0; 8463f6d08d1SOr Gerlitz 8473f6d08d1SOr Gerlitz err_create_ttc_table: 8483f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8493f6d08d1SOr Gerlitz err_create_indirect_tirs: 85006e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8513f6d08d1SOr Gerlitz 8523f6d08d1SOr Gerlitz return err; 8533f6d08d1SOr Gerlitz } 8543f6d08d1SOr Gerlitz 8553f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 8563f6d08d1SOr Gerlitz { 857f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 8583f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 85906e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8603f6d08d1SOr Gerlitz } 8613f6d08d1SOr Gerlitz 86277ab67b7SOr Gerlitz static struct mlx5e_hairpin * 86377ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 86477ab67b7SOr Gerlitz int peer_ifindex) 86577ab67b7SOr Gerlitz { 86677ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 86777ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 86877ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 86977ab67b7SOr Gerlitz int err; 87077ab67b7SOr Gerlitz 87177ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 87277ab67b7SOr Gerlitz if (!hp) 87377ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 87477ab67b7SOr Gerlitz 87577ab67b7SOr Gerlitz func_mdev = priv->mdev; 87677ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 877b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 878b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 879b1c2f631SDima Chumak goto create_pair_err; 880b1c2f631SDima Chumak } 88177ab67b7SOr Gerlitz 88277ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 88377ab67b7SOr Gerlitz if (IS_ERR(pair)) { 88477ab67b7SOr Gerlitz err = PTR_ERR(pair); 88577ab67b7SOr Gerlitz goto create_pair_err; 88677ab67b7SOr Gerlitz } 88777ab67b7SOr Gerlitz hp->pair = pair; 88877ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 8893f6d08d1SOr Gerlitz hp->func_priv = priv; 8903f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 89177ab67b7SOr Gerlitz 89277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 89377ab67b7SOr Gerlitz if (err) 89477ab67b7SOr Gerlitz goto create_transport_err; 89577ab67b7SOr Gerlitz 8963f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 8973f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 8983f6d08d1SOr Gerlitz if (err) 8993f6d08d1SOr Gerlitz goto rss_init_err; 9003f6d08d1SOr Gerlitz } 9013f6d08d1SOr Gerlitz 90277ab67b7SOr Gerlitz return hp; 90377ab67b7SOr Gerlitz 9043f6d08d1SOr Gerlitz rss_init_err: 9053f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 90677ab67b7SOr Gerlitz create_transport_err: 90777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 90877ab67b7SOr Gerlitz create_pair_err: 90977ab67b7SOr Gerlitz kfree(hp); 91077ab67b7SOr Gerlitz return ERR_PTR(err); 91177ab67b7SOr Gerlitz } 91277ab67b7SOr Gerlitz 91377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 91477ab67b7SOr Gerlitz { 9153f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9163f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 91777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 91877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 91977ab67b7SOr Gerlitz kvfree(hp); 92077ab67b7SOr Gerlitz } 92177ab67b7SOr Gerlitz 922106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 923106be53bSOr Gerlitz { 924106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 925106be53bSOr Gerlitz } 926106be53bSOr Gerlitz 9275c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 928106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9295c65c564SOr Gerlitz { 930f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9315c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 932106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9335c65c564SOr Gerlitz 934f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 935106be53bSOr Gerlitz hairpin_hlist, hash_key) { 936e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 937e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9385c65c564SOr Gerlitz return hpe; 9395c65c564SOr Gerlitz } 940e4f9abbdSVlad Buslov } 9415c65c564SOr Gerlitz 9425c65c564SOr Gerlitz return NULL; 9435c65c564SOr Gerlitz } 9445c65c564SOr Gerlitz 945e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 946e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 947e4f9abbdSVlad Buslov { 948f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 949e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 950f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 951e4f9abbdSVlad Buslov return; 952b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 953f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 954e4f9abbdSVlad Buslov 955db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 956e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 957e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 958e4f9abbdSVlad Buslov 959e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 960db76ca24SVlad Buslov } 961db76ca24SVlad Buslov 962db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 963e4f9abbdSVlad Buslov kfree(hpe); 964e4f9abbdSVlad Buslov } 965e4f9abbdSVlad Buslov 966106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 967106be53bSOr Gerlitz 968106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 969e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 970e98bedf5SEli Britstein struct netlink_ext_ack *extack) 971106be53bSOr Gerlitz { 972106be53bSOr Gerlitz void *headers_c, *headers_v; 973106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 974106be53bSOr Gerlitz bool vlan_present; 975106be53bSOr Gerlitz 976106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 977106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 978e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 979e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 980106be53bSOr Gerlitz return -EOPNOTSUPP; 981106be53bSOr Gerlitz } 982106be53bSOr Gerlitz #endif 983106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 984106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 985106be53bSOr Gerlitz 986106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 987106be53bSOr Gerlitz if (vlan_present) { 988106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 989106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 990106be53bSOr Gerlitz } 991106be53bSOr Gerlitz 992106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 993106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 994106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 995e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 996e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 997106be53bSOr Gerlitz return -EOPNOTSUPP; 998106be53bSOr Gerlitz } 999106be53bSOr Gerlitz 1000106be53bSOr Gerlitz *match_prio = prio_val; 1001106be53bSOr Gerlitz return 0; 1002106be53bSOr Gerlitz } 1003106be53bSOr Gerlitz 10045c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 10055c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1006e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1007e98bedf5SEli Britstein struct netlink_ext_ack *extack) 10085c65c564SOr Gerlitz { 1009f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 101098b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 10115c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1012d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 10135c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 10145c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 10153f6d08d1SOr Gerlitz u64 link_speed64; 10163f6d08d1SOr Gerlitz u32 link_speed; 1017106be53bSOr Gerlitz u8 match_prio; 1018d8822868SOr Gerlitz u16 peer_id; 10195c65c564SOr Gerlitz int err; 10205c65c564SOr Gerlitz 1021d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1022b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1023b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1024b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1025b1c2f631SDima Chumak } 1026b1c2f631SDima Chumak 1027d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1028e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 10295c65c564SOr Gerlitz return -EOPNOTSUPP; 10305c65c564SOr Gerlitz } 10315c65c564SOr Gerlitz 1032d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1033e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1034e98bedf5SEli Britstein extack); 1035106be53bSOr Gerlitz if (err) 1036106be53bSOr Gerlitz return err; 1037b32accdaSVlad Buslov 1038f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1039106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1040db76ca24SVlad Buslov if (hpe) { 1041f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1042db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1043db76ca24SVlad Buslov 1044db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1045db76ca24SVlad Buslov err = -EREMOTEIO; 1046db76ca24SVlad Buslov goto out_err; 1047db76ca24SVlad Buslov } 10485c65c564SOr Gerlitz goto attach_flow; 1049db76ca24SVlad Buslov } 10505c65c564SOr Gerlitz 10515c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1052b32accdaSVlad Buslov if (!hpe) { 1053f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1054db76ca24SVlad Buslov return -ENOMEM; 1055b32accdaSVlad Buslov } 10565c65c564SOr Gerlitz 105773edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 10585c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1059db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1060d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1061106be53bSOr Gerlitz hpe->prio = match_prio; 1062e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1063db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1064db76ca24SVlad Buslov 1065f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1066db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1067f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 10685c65c564SOr Gerlitz 106994581080SGal Pressman params.log_data_size = clamp_t(u8, 16, 107094581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 10715c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1072eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 1073eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 1074eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 1075eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 1076eb9180f7SOr Gerlitz 1077eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 10783f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 10792c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 10803f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 10813f6d08d1SOr Gerlitz link_speed64 = link_speed; 10823f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 10833f6d08d1SOr Gerlitz params.num_channels = link_speed64; 10843f6d08d1SOr Gerlitz 10855c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1086db76ca24SVlad Buslov hpe->hp = hp; 1087db76ca24SVlad Buslov complete_all(&hpe->res_ready); 10885c65c564SOr Gerlitz if (IS_ERR(hp)) { 10895c65c564SOr Gerlitz err = PTR_ERR(hp); 1090db76ca24SVlad Buslov goto out_err; 10915c65c564SOr Gerlitz } 10925c65c564SOr Gerlitz 1093eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1094a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 109527b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1096eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 10975c65c564SOr Gerlitz 10985c65c564SOr Gerlitz attach_flow: 10993f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1100226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1101f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1102f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 11033f6d08d1SOr Gerlitz } else { 1104a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 11053f6d08d1SOr Gerlitz } 1106b32accdaSVlad Buslov 1107e4f9abbdSVlad Buslov flow->hpe = hpe; 110873edca73SVlad Buslov spin_lock(&hpe->flows_lock); 11095c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 111073edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 11113f6d08d1SOr Gerlitz 11125c65c564SOr Gerlitz return 0; 11135c65c564SOr Gerlitz 1114db76ca24SVlad Buslov out_err: 1115db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 11165c65c564SOr Gerlitz return err; 11175c65c564SOr Gerlitz } 11185c65c564SOr Gerlitz 11195c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 11205c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 11215c65c564SOr Gerlitz { 11225a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1123e4f9abbdSVlad Buslov if (!flow->hpe) 11245a7e5bcbSVlad Buslov return; 11255a7e5bcbSVlad Buslov 112673edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 11275c65c564SOr Gerlitz list_del(&flow->hairpin); 112873edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 112973edca73SVlad Buslov 1130e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1131e4f9abbdSVlad Buslov flow->hpe = NULL; 11325c65c564SOr Gerlitz } 11335c65c564SOr Gerlitz 113408247066SAriel Levkovich struct mlx5_flow_handle * 113508247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 113608247066SAriel Levkovich struct mlx5_flow_spec *spec, 1137c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1138e8f887acSAmir Vadai { 113908247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1140f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1141f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1142c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 11435c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 114423bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 114566958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 11463bc4b7bfSOr Gerlitz .action = attr->action, 1147bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 114866958ed9SHadar Hen Zion }; 114908247066SAriel Levkovich struct mlx5_flow_handle *rule; 1150c7569097SAriel Levkovich struct mlx5_flow_table *ft; 115108247066SAriel Levkovich int dest_ix = 0; 1152e8f887acSAmir Vadai 115323bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1154bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1155c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1156bb0ee7dcSJianbo Liu 1157aedd133dSAriel Levkovich if (attr->dest_ft) { 1158aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1159aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1160aedd133dSAriel Levkovich dest_ix++; 1161aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 11623f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1163c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 116408247066SAriel Levkovich dest_ix++; 1165c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 11665c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1167c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 11683f6d08d1SOr Gerlitz dest_ix++; 11693f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 11705c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1171c7569097SAriel Levkovich if (attr->dest_chain) { 1172c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1173c7569097SAriel Levkovich attr->dest_chain, 1, 1174c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1175c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1176c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1177c7569097SAriel Levkovich } else { 1178f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1179c7569097SAriel Levkovich } 11805c65c564SOr Gerlitz dest_ix++; 11815c65c564SOr Gerlitz } 1182aad7e08dSAmir Vadai 1183c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1184c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1185c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1186c7569097SAriel Levkovich 118708247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 11885c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 118908247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 11905c65c564SOr Gerlitz dest_ix++; 1191aad7e08dSAmir Vadai } 1192aad7e08dSAmir Vadai 119308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11942b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 11952f4fe4caSOr Gerlitz 11966a064674SAriel Levkovich mutex_lock(&tc->t_lock); 11976a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 11986a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 11996a064674SAriel Levkovich tc->t = 1200c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 120121b9c144SOr Gerlitz 12026a064674SAriel Levkovich if (IS_ERR(tc->t)) { 12036a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1204e8f887acSAmir Vadai netdev_err(priv->netdev, 1205e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1206f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1207c7569097SAriel Levkovich goto err_ft_get; 1208e8f887acSAmir Vadai } 1209e8f887acSAmir Vadai } 121008247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1211e8f887acSAmir Vadai 1212aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1213c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1214c7569097SAriel Levkovich attr->chain, attr->prio, 1215c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1216aedd133dSAriel Levkovich else 1217aedd133dSAriel Levkovich ft = attr->ft; 1218aedd133dSAriel Levkovich 1219c7569097SAriel Levkovich if (IS_ERR(ft)) { 1220c7569097SAriel Levkovich rule = ERR_CAST(ft); 1221c7569097SAriel Levkovich goto err_ft_get; 1222c7569097SAriel Levkovich } 1223c7569097SAriel Levkovich 1224c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 122508247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 122638aa51c1SOr Gerlitz 1227c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 12285c65c564SOr Gerlitz &flow_act, dest, dest_ix); 122908247066SAriel Levkovich if (IS_ERR(rule)) 1230c7569097SAriel Levkovich goto err_rule; 123108247066SAriel Levkovich 123208247066SAriel Levkovich return rule; 1233c7569097SAriel Levkovich 1234c7569097SAriel Levkovich err_rule: 1235aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1236c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1237c7569097SAriel Levkovich attr->chain, attr->prio, 1238c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1239c7569097SAriel Levkovich err_ft_get: 1240c7569097SAriel Levkovich if (attr->dest_chain) 1241c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1242c7569097SAriel Levkovich attr->dest_chain, 1, 1243c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1244c7569097SAriel Levkovich 1245c7569097SAriel Levkovich return ERR_CAST(rule); 124608247066SAriel Levkovich } 124708247066SAriel Levkovich 124808247066SAriel Levkovich static int 1249df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1250df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1251df67ad62SRoi Dayan 1252df67ad62SRoi Dayan { 1253df67ad62SRoi Dayan struct mlx5_fc *counter; 1254df67ad62SRoi Dayan 1255df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1256df67ad62SRoi Dayan if (IS_ERR(counter)) 1257df67ad62SRoi Dayan return PTR_ERR(counter); 1258df67ad62SRoi Dayan 1259df67ad62SRoi Dayan attr->counter = counter; 1260df67ad62SRoi Dayan return 0; 1261df67ad62SRoi Dayan } 1262df67ad62SRoi Dayan 1263df67ad62SRoi Dayan static int 126408247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 126508247066SAriel Levkovich struct mlx5e_tc_flow *flow, 126608247066SAriel Levkovich struct netlink_ext_ack *extack) 126708247066SAriel Levkovich { 1268c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1269c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 127008247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 127108247066SAriel Levkovich int err; 127208247066SAriel Levkovich 1273c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1274c6cfe113SRoi Dayan 127508247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 127608247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 127708247066SAriel Levkovich if (err) 127808247066SAriel Levkovich return err; 127908247066SAriel Levkovich } 128008247066SAriel Levkovich 128108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1282df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1283df67ad62SRoi Dayan if (err) 1284df67ad62SRoi Dayan return err; 128508247066SAriel Levkovich } 128608247066SAriel Levkovich 128708247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 128808247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 12892c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 129008247066SAriel Levkovich if (err) 129108247066SAriel Levkovich return err; 129208247066SAriel Levkovich } 129308247066SAriel Levkovich 129484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1295a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1296aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1297aedd133dSAriel Levkovich else 129808247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 129908247066SAriel Levkovich attr); 1300e8f887acSAmir Vadai 1301a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1302e8f887acSAmir Vadai } 1303e8f887acSAmir Vadai 130408247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1305c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1306c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 130708247066SAriel Levkovich { 1308f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1309f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1310c7569097SAriel Levkovich 1311f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 131208247066SAriel Levkovich mlx5_del_flow_rules(rule); 1313c7569097SAriel Levkovich 1314aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1315c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1316c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1317c7569097SAriel Levkovich 1318c7569097SAriel Levkovich if (attr->dest_chain) 1319c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1320c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 132108247066SAriel Levkovich } 132208247066SAriel Levkovich 1323d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1324d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1325d85cdccbSOr Gerlitz { 1326f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1327c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1328d85cdccbSOr Gerlitz 1329c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1330c7569097SAriel Levkovich 133184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1332a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1333aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1334aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1335aedd133dSAriel Levkovich 1336c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1337c7569097SAriel Levkovich * extra steering hops. 1338c7569097SAriel Levkovich */ 1339f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 13406a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 13416a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 134223bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1343f52f2faeSLama Kayal tc->t = NULL; 1344d85cdccbSOr Gerlitz } 1345f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 13462f4fe4caSOr Gerlitz 1347513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13483099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 13495c65c564SOr Gerlitz 1350972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1351aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1352aedd133dSAriel Levkovich 1353226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 13545c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1355c620b772SAriel Levkovich 13568300f225SRoi Dayan free_flow_post_acts(flow); 13578300f225SRoi Dayan 135888d97486SRoi Dayan kvfree(attr->parse_attr); 1359c620b772SAriel Levkovich kfree(flow->attr); 1360d85cdccbSOr Gerlitz } 1361d85cdccbSOr Gerlitz 13620d9f9647SVlad Buslov struct mlx5_flow_handle * 13636d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 13646d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 13656d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1366c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 13676d2a3ed0SOr Gerlitz { 13686d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13694c3844d9SPaul Blakey 1370e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 137189e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 137289e39467SPaul Blakey 1373a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 13746d2a3ed0SOr Gerlitz 13756d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 13766d2a3ed0SOr Gerlitz return rule; 13776d2a3ed0SOr Gerlitz 1378c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 13796d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 138084ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 138184ba8062SRoi Dayan goto err_rule1; 13826d2a3ed0SOr Gerlitz } 13836d2a3ed0SOr Gerlitz 13846d2a3ed0SOr Gerlitz return rule; 138584ba8062SRoi Dayan 138684ba8062SRoi Dayan err_rule1: 1387a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 138884ba8062SRoi Dayan return flow->rule[1]; 13896d2a3ed0SOr Gerlitz } 13906d2a3ed0SOr Gerlitz 13910d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 13926d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1393c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 13946d2a3ed0SOr Gerlitz { 1395226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 13966d2a3ed0SOr Gerlitz 1397e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 139884ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 139989e39467SPaul Blakey 1400c620b772SAriel Levkovich if (attr->esw_attr->split_count) 14016d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 14026d2a3ed0SOr Gerlitz 1403a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 14046d2a3ed0SOr Gerlitz } 14056d2a3ed0SOr Gerlitz 14060d9f9647SVlad Buslov struct mlx5_flow_handle * 14075dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 14085dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1409178f69b4SEli Cohen struct mlx5_flow_spec *spec) 14105dbe906fSPaul Blakey { 14118dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 14128dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1413c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 14145dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 14158dc47c05SPaul Blakey bool fwd_and_modify_cap; 14168dc47c05SPaul Blakey u32 chain_mapping = 0; 14178dc47c05SPaul Blakey int err; 14185dbe906fSPaul Blakey 1419c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1420c620b772SAriel Levkovich if (!slow_attr) 1421c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 14225dbe906fSPaul Blakey 1423c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1424c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1425c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1426e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1427c620b772SAriel Levkovich 14288dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 14298dc47c05SPaul Blakey if (!fwd_and_modify_cap) 14308dc47c05SPaul Blakey goto skip_restore; 14318dc47c05SPaul Blakey 14328dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 14338dc47c05SPaul Blakey if (err) 14348dc47c05SPaul Blakey goto err_get_chain; 14358dc47c05SPaul Blakey 14368dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 14378dc47c05SPaul Blakey CHAIN_TO_REG, chain_mapping); 14388dc47c05SPaul Blakey if (err) 14398dc47c05SPaul Blakey goto err_reg_set; 14408dc47c05SPaul Blakey 14418dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 14428dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 14438dc47c05SPaul Blakey if (IS_ERR(mh)) { 14448dc47c05SPaul Blakey err = PTR_ERR(mh); 14458dc47c05SPaul Blakey goto err_attach; 14468dc47c05SPaul Blakey } 14478dc47c05SPaul Blakey 14488dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 14498dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 14508dc47c05SPaul Blakey 14518dc47c05SPaul Blakey skip_restore: 1452c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 14538dc47c05SPaul Blakey if (IS_ERR(rule)) { 14548dc47c05SPaul Blakey err = PTR_ERR(rule); 14558dc47c05SPaul Blakey goto err_offload; 14568dc47c05SPaul Blakey } 14578dc47c05SPaul Blakey 14588dc47c05SPaul Blakey flow->slow_mh = mh; 14598dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1460226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 14615dbe906fSPaul Blakey 14628dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1463c620b772SAriel Levkovich kfree(slow_attr); 1464c620b772SAriel Levkovich 14655dbe906fSPaul Blakey return rule; 14668dc47c05SPaul Blakey 14678dc47c05SPaul Blakey err_offload: 14688dc47c05SPaul Blakey if (fwd_and_modify_cap) 14698dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 14708dc47c05SPaul Blakey err_attach: 14718dc47c05SPaul Blakey err_reg_set: 14728dc47c05SPaul Blakey if (fwd_and_modify_cap) 14738dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 14748dc47c05SPaul Blakey err_get_chain: 14758dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 14768dc47c05SPaul Blakey kfree(slow_attr); 14778dc47c05SPaul Blakey return ERR_PTR(err); 14785dbe906fSPaul Blakey } 14795dbe906fSPaul Blakey 14800d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1481178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 14825dbe906fSPaul Blakey { 1483c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1484178f69b4SEli Cohen 1485c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 14865efbe617SAriel Levkovich if (!slow_attr) { 14875efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 14885efbe617SAriel Levkovich return; 14895efbe617SAriel Levkovich } 1490c620b772SAriel Levkovich 1491c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1492c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1493c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1494e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 14958dc47c05SPaul Blakey if (flow->slow_mh) { 14968dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 14978dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(flow->slow_mh); 14988dc47c05SPaul Blakey } 1499c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 15008dc47c05SPaul Blakey if (flow->slow_mh) { 15018dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), flow->slow_mh); 15028dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 15038dc47c05SPaul Blakey flow->chain_mapping = 0; 15048dc47c05SPaul Blakey flow->slow_mh = NULL; 15058dc47c05SPaul Blakey } 1506226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1507c620b772SAriel Levkovich kfree(slow_attr); 15085dbe906fSPaul Blakey } 15095dbe906fSPaul Blakey 1510ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1511ad86755bSVlad Buslov * function. 1512ad86755bSVlad Buslov */ 1513ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1514ad86755bSVlad Buslov struct list_head *unready_flows) 1515ad86755bSVlad Buslov { 1516ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1517ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1518ad86755bSVlad Buslov } 1519ad86755bSVlad Buslov 1520ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1521ad86755bSVlad Buslov * function. 1522ad86755bSVlad Buslov */ 1523ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1524ad86755bSVlad Buslov { 1525ad86755bSVlad Buslov list_del(&flow->unready); 1526ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1527ad86755bSVlad Buslov } 1528ad86755bSVlad Buslov 1529b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1530b4a23329SRoi Dayan { 1531b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1532b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1533b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1534b4a23329SRoi Dayan 1535b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1536b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1537b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1538b4a23329SRoi Dayan 1539ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1540ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1541ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1542b4a23329SRoi Dayan } 1543b4a23329SRoi Dayan 1544b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1545b4a23329SRoi Dayan { 1546ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1547ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1548ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1549ad86755bSVlad Buslov 1550ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1551ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1552ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1553ad86755bSVlad Buslov 1554ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1555ad86755bSVlad Buslov unready_flow_del(flow); 1556ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1557b4a23329SRoi Dayan } 1558b4a23329SRoi Dayan 1559a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 156010742efcSVlad Buslov { 156110742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 156210742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 156310742efcSVlad Buslov 156410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 156510742efcSVlad Buslov out_mdev = out_priv->mdev; 156610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 156710742efcSVlad Buslov route_mdev = route_priv->mdev; 156810742efcSVlad Buslov 156972e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 157072e0bcd1SRoi Dayan return false; 157172e0bcd1SRoi Dayan 157272e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 157372e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 157410742efcSVlad Buslov return false; 157510742efcSVlad Buslov 1576ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 157710742efcSVlad Buslov } 157810742efcSVlad Buslov 1579a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 158010742efcSVlad Buslov { 158110742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1582f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 158310742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 158410742efcSVlad Buslov struct mlx5_eswitch *esw; 158510742efcSVlad Buslov u16 vhca_id; 158610742efcSVlad Buslov int err; 158710742efcSVlad Buslov 158810742efcSVlad Buslov out_priv = netdev_priv(out_dev); 158910742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 159010742efcSVlad Buslov route_priv = netdev_priv(route_dev); 159110742efcSVlad Buslov route_mdev = route_priv->mdev; 159210742efcSVlad Buslov 159310742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1594f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1595f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1596f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1597f9d196bdSDmytro Linkin * eswitch. 1598f9d196bdSDmytro Linkin */ 159910742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1600f9d196bdSDmytro Linkin if (err != -ENOENT) 1601f9d196bdSDmytro Linkin return err; 1602f9d196bdSDmytro Linkin 1603f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1604f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1605f9d196bdSDmytro Linkin if (!esw) 1606f9d196bdSDmytro Linkin return -ENODEV; 1607f9d196bdSDmytro Linkin } 1608f9d196bdSDmytro Linkin 1609f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1610f9d196bdSDmytro Linkin if (devcom) 1611f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 161210742efcSVlad Buslov return err; 161310742efcSVlad Buslov } 161410742efcSVlad Buslov 1615c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1616ff993167SRoi Dayan struct mlx5e_tc_flow *flow, 1617ff993167SRoi Dayan struct mlx5_flow_attr *attr) 1618c7b9038dSVlad Buslov { 1619ff993167SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 1620c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1621c7b9038dSVlad Buslov 1622c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1623e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1624c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1625c7b9038dSVlad Buslov mod_hdr_acts->actions); 1626c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1627c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1628c7b9038dSVlad Buslov 1629ff993167SRoi Dayan WARN_ON(attr->modify_hdr); 1630ff993167SRoi Dayan attr->modify_hdr = mod_hdr; 1631c7b9038dSVlad Buslov 1632c7b9038dSVlad Buslov return 0; 1633c7b9038dSVlad Buslov } 1634c7b9038dSVlad Buslov 1635c83954abSRabie Loulou static int 163639542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 163739542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1638c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 163939542e23SRoi Dayan struct netlink_ext_ack *extack, 164039542e23SRoi Dayan bool *vf_tun) 164139542e23SRoi Dayan { 164239542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 164339542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 164439542e23SRoi Dayan struct net_device *encap_dev = NULL; 164539542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 164639542e23SRoi Dayan struct mlx5e_priv *out_priv; 164739542e23SRoi Dayan int out_index; 164839542e23SRoi Dayan int err = 0; 164939542e23SRoi Dayan 16508300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 16518300f225SRoi Dayan return 0; 16528300f225SRoi Dayan 165339542e23SRoi Dayan parse_attr = attr->parse_attr; 165439542e23SRoi Dayan esw_attr = attr->esw_attr; 165539542e23SRoi Dayan *vf_tun = false; 165639542e23SRoi Dayan 165739542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 165839542e23SRoi Dayan struct net_device *out_dev; 165939542e23SRoi Dayan int mirred_ifindex; 166039542e23SRoi Dayan 166139542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 166239542e23SRoi Dayan continue; 166339542e23SRoi Dayan 166439542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 166539542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 166639542e23SRoi Dayan if (!out_dev) { 166739542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 166839542e23SRoi Dayan err = -ENODEV; 166939542e23SRoi Dayan goto out; 167039542e23SRoi Dayan } 1671c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 1672f3774220SChris Mi extack, &encap_dev); 167339542e23SRoi Dayan dev_put(out_dev); 167439542e23SRoi Dayan if (err) 167539542e23SRoi Dayan goto out; 167639542e23SRoi Dayan 167739542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 167839542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 167939542e23SRoi Dayan !esw_attr->dest_int_port) 168039542e23SRoi Dayan *vf_tun = true; 168139542e23SRoi Dayan 168239542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 168339542e23SRoi Dayan rpriv = out_priv->ppriv; 168439542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 168539542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 168639542e23SRoi Dayan } 168739542e23SRoi Dayan 168839542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 168939542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 169039542e23SRoi Dayan err = -EOPNOTSUPP; 169139542e23SRoi Dayan goto out; 169239542e23SRoi Dayan } 169339542e23SRoi Dayan 169439542e23SRoi Dayan out: 169539542e23SRoi Dayan return err; 169639542e23SRoi Dayan } 169739542e23SRoi Dayan 169839542e23SRoi Dayan static void 169939542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 170039542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1701c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 170239542e23SRoi Dayan bool *vf_tun) 170339542e23SRoi Dayan { 170439542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 170539542e23SRoi Dayan int out_index; 170639542e23SRoi Dayan 17078300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 17088300f225SRoi Dayan return; 17098300f225SRoi Dayan 171039542e23SRoi Dayan esw_attr = attr->esw_attr; 171139542e23SRoi Dayan *vf_tun = false; 171239542e23SRoi Dayan 171339542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 171439542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 171539542e23SRoi Dayan continue; 171639542e23SRoi Dayan 171739542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 171839542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 171939542e23SRoi Dayan !esw_attr->dest_int_port) 172039542e23SRoi Dayan *vf_tun = true; 172139542e23SRoi Dayan 1722c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 172339542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 172439542e23SRoi Dayan } 172539542e23SRoi Dayan } 172639542e23SRoi Dayan 172739542e23SRoi Dayan static int 1728*8facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 1729*8facc02fSOz Shlomo struct mlx5_flow_attr *attr, 1730*8facc02fSOz Shlomo bool is_post_act_attr, 1731*8facc02fSOz Shlomo struct netlink_ext_ack *extack) 1732*8facc02fSOz Shlomo { 1733*8facc02fSOz Shlomo struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 1734*8facc02fSOz Shlomo bool vf_tun; 1735*8facc02fSOz Shlomo int err = 0; 1736*8facc02fSOz Shlomo 1737*8facc02fSOz Shlomo err = set_encap_dests(flow->priv, flow, attr, extack, &vf_tun); 1738*8facc02fSOz Shlomo if (err) 1739*8facc02fSOz Shlomo goto err_out; 1740*8facc02fSOz Shlomo 1741*8facc02fSOz Shlomo if (mlx5e_is_eswitch_flow(flow)) { 1742*8facc02fSOz Shlomo err = mlx5_eswitch_add_vlan_action(esw, attr); 1743*8facc02fSOz Shlomo if (err) 1744*8facc02fSOz Shlomo goto err_out; 1745*8facc02fSOz Shlomo } 1746*8facc02fSOz Shlomo 1747*8facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1748*8facc02fSOz Shlomo if (vf_tun || is_post_act_attr) { 1749*8facc02fSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr); 1750*8facc02fSOz Shlomo if (err) 1751*8facc02fSOz Shlomo goto err_out; 1752*8facc02fSOz Shlomo } else { 1753*8facc02fSOz Shlomo err = mlx5e_attach_mod_hdr(flow->priv, flow, attr->parse_attr); 1754*8facc02fSOz Shlomo if (err) 1755*8facc02fSOz Shlomo goto err_out; 1756*8facc02fSOz Shlomo } 1757*8facc02fSOz Shlomo } 1758*8facc02fSOz Shlomo 1759*8facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1760*8facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 1761*8facc02fSOz Shlomo if (err) 1762*8facc02fSOz Shlomo goto err_out; 1763*8facc02fSOz Shlomo } 1764*8facc02fSOz Shlomo 1765*8facc02fSOz Shlomo err_out: 1766*8facc02fSOz Shlomo return err; 1767*8facc02fSOz Shlomo } 1768*8facc02fSOz Shlomo 1769*8facc02fSOz Shlomo static int 177074491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1771e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1772e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1773adb4c123SOr Gerlitz { 1774adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1775c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1776c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1777c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 177839ac237cSPaul Blakey u32 max_prio, max_chain; 17790ad060eeSRoi Dayan int err = 0; 17808b32580dSOr Gerlitz 1781b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1782b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1783b16eb3c8SAriel Levkovich 178484179981SPaul Blakey /* We check chain range only for tc flows. 178584179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 178684179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 178784179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 178884179981SPaul Blakey */ 1789ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 179084179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 179161644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 179261644c3dSRoi Dayan "Requested chain is out of supported range"); 17938914add2SVlad Buslov err = -EOPNOTSUPP; 17948914add2SVlad Buslov goto err_out; 1795bf07aa73SPaul Blakey } 1796bf07aa73SPaul Blakey 1797ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1798bf07aa73SPaul Blakey if (attr->prio > max_prio) { 179961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 180061644c3dSRoi Dayan "Requested priority is out of supported range"); 18018914add2SVlad Buslov err = -EOPNOTSUPP; 18028914add2SVlad Buslov goto err_out; 1803bf07aa73SPaul Blakey } 1804bf07aa73SPaul Blakey 1805777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1806777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1807777bb800SVlad Buslov if (err) 18088914add2SVlad Buslov goto err_out; 1809b16eb3c8SAriel Levkovich 18105b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 18115b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1812b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1813b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1814b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1815b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1816b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1817b16eb3c8SAriel Levkovich * from the proper chain. 1818b16eb3c8SAriel Levkovich */ 1819b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1820b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1821b16eb3c8SAriel Levkovich 1822b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1823b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1824b16eb3c8SAriel Levkovich metadata); 1825b16eb3c8SAriel Levkovich if (err) 182631108d14SChristophe JAILLET goto err_out; 1827077cdda7SRoi Dayan 1828077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1829b16eb3c8SAriel Levkovich } 1830777bb800SVlad Buslov } 1831777bb800SVlad Buslov 183214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 183314e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 183414e6b038SEli Cohen if (err) 18358914add2SVlad Buslov goto err_out; 183614e6b038SEli Cohen } 183714e6b038SEli Cohen 1838166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1839166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1840166f431eSAriel Levkovich 1841166f431eSAriel Levkovich if (attr->chain) { 1842166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1843166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 184431108d14SChristophe JAILLET err = -EOPNOTSUPP; 184531108d14SChristophe JAILLET goto err_out; 1846166f431eSAriel Levkovich } 1847166f431eSAriel Levkovich 1848166f431eSAriel Levkovich if (attr->dest_chain) { 1849166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1850166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 185131108d14SChristophe JAILLET err = -EOPNOTSUPP; 185231108d14SChristophe JAILLET goto err_out; 1853166f431eSAriel Levkovich } 1854166f431eSAriel Levkovich 1855166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1856166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1857166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1858166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1859166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 186031108d14SChristophe JAILLET if (IS_ERR(int_port)) { 186131108d14SChristophe JAILLET err = PTR_ERR(int_port); 186231108d14SChristophe JAILLET goto err_out; 186331108d14SChristophe JAILLET } 1864166f431eSAriel Levkovich 1865166f431eSAriel Levkovich esw_attr->int_port = int_port; 1866166f431eSAriel Levkovich } 1867166f431eSAriel Levkovich 1868*8facc02fSOz Shlomo err = post_process_attr(flow, attr, false, extack); 18690ad060eeSRoi Dayan if (err) 18708914add2SVlad Buslov goto err_out; 18710ad060eeSRoi Dayan 18720ad060eeSRoi Dayan /* we get here if one of the following takes place: 18730ad060eeSRoi Dayan * (1) there's no error 18740ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 18753c37745eSOr Gerlitz */ 1876f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 1877178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1878bc1d75faSRoi Dayan else 18796d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 18805dbe906fSPaul Blakey 18818914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 18828914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 18838914add2SVlad Buslov goto err_out; 18848914add2SVlad Buslov } 1885226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1886c83954abSRabie Loulou 18875dbe906fSPaul Blakey return 0; 18888914add2SVlad Buslov 18898914add2SVlad Buslov err_out: 18908914add2SVlad Buslov flow_flag_set(flow, FAILED); 18918914add2SVlad Buslov return err; 1892aa0cbbaeSOr Gerlitz } 1893d85cdccbSOr Gerlitz 18949272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 18959272e3dfSYevgeny Kliteynik { 1896c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 18979272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 18989272e3dfSYevgeny Kliteynik spec->match_value, 18999272e3dfSYevgeny Kliteynik misc_parameters_3); 19009272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 19019272e3dfSYevgeny Kliteynik headers_v, 19029272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 19039272e3dfSYevgeny Kliteynik 19049272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 19059272e3dfSYevgeny Kliteynik } 19069272e3dfSYevgeny Kliteynik 1907d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1908d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1909d85cdccbSOr Gerlitz { 1910d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1911c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1912777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 191339542e23SRoi Dayan bool vf_tun; 1914d85cdccbSOr Gerlitz 1915777bb800SVlad Buslov esw_attr = attr->esw_attr; 19160a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 19170a7fcb78SPaul Blakey 191812a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1919b4a23329SRoi Dayan remove_unready_flow(flow); 1920ef06c9eeSRoi Dayan 1921226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1922226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1923178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 19245dbe906fSPaul Blakey else 19255dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 19265dbe906fSPaul Blakey } 1927362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1928d85cdccbSOr Gerlitz 19299272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 19309272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 19319272e3dfSYevgeny Kliteynik 1932513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1933d85cdccbSOr Gerlitz 1934777bb800SVlad Buslov if (flow->decap_route) 1935777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1936777bb800SVlad Buslov 1937c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 1938d7e75a32SOr Gerlitz 1939aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 19404c8594adSRoi Dayan 1941c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 19422c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 19438914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 19448914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 19458914add2SVlad Buslov else 19461a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1947c7b9038dSVlad Buslov } 1948b8aee822SMark Bloch 1949b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1950777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 195114e6b038SEli Cohen 1952166f431eSAriel Levkovich if (esw_attr->int_port) 1953166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1954166f431eSAriel Levkovich 195527484f71SAriel Levkovich if (esw_attr->dest_int_port) 195627484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 195727484f71SAriel Levkovich 195814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 195914e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1960c620b772SAriel Levkovich 19618300f225SRoi Dayan free_flow_post_acts(flow); 19628300f225SRoi Dayan 196394db3317SEli Cohen if (flow->attr->lag.count) 196494db3317SEli Cohen mlx5_lag_del_mpesw_rule(esw->dev); 196594db3317SEli Cohen 196688d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 196788d97486SRoi Dayan kvfree(attr->parse_attr); 1968c620b772SAriel Levkovich kfree(flow->attr); 1969d85cdccbSOr Gerlitz } 1970d85cdccbSOr Gerlitz 19710d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1972b8aee822SMark Bloch { 19738300f225SRoi Dayan struct mlx5_flow_attr *attr; 19748300f225SRoi Dayan 19758300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 19768300f225SRoi Dayan return attr->counter; 1977b8aee822SMark Bloch } 1978b8aee822SMark Bloch 19796a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1980021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 19816a06c2f7SVlad Buslov { 19826a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 19836a06c2f7SVlad Buslov 19846a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 19856a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 19866a06c2f7SVlad Buslov } 19876a06c2f7SVlad Buslov 198804de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 198904de7ddaSRoi Dayan { 199004de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 199104de7ddaSRoi Dayan 1992226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1993226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 199404de7ddaSRoi Dayan return; 199504de7ddaSRoi Dayan 199604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 199704de7ddaSRoi Dayan list_del(&flow->peer); 199804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 199904de7ddaSRoi Dayan 2000226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 200104de7ddaSRoi Dayan 2002eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 200304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 2004a23dae79SRoi Dayan kfree(flow->peer_flow); 2005eb252c3aSRoi Dayan } 2006eb252c3aSRoi Dayan 200704de7ddaSRoi Dayan flow->peer_flow = NULL; 200804de7ddaSRoi Dayan } 200904de7ddaSRoi Dayan 201004de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 201104de7ddaSRoi Dayan { 201204de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 201304de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 201404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 201504de7ddaSRoi Dayan 201604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 201704de7ddaSRoi Dayan if (!peer_esw) 201804de7ddaSRoi Dayan return; 201904de7ddaSRoi Dayan 202004de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 202104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 202204de7ddaSRoi Dayan } 202304de7ddaSRoi Dayan 2024e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2025961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2026e8f887acSAmir Vadai { 2027226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 202804de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2029d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 203004de7ddaSRoi Dayan } else { 2031d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2032e8f887acSAmir Vadai } 203304de7ddaSRoi Dayan } 2034e8f887acSAmir Vadai 2035ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2036bbd00f7eSHadar Hen Zion { 2037f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20380a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 20390a7fcb78SPaul Blakey const struct flow_action_entry *act; 20400a7fcb78SPaul Blakey int i; 2041bbd00f7eSHadar Hen Zion 2042ee950e5dSChris Mi if (chain) 2043ee950e5dSChris Mi return false; 2044ee950e5dSChris Mi 20450a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 20460a7fcb78SPaul Blakey switch (act->id) { 20470a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 20480a7fcb78SPaul Blakey return true; 2049ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2050ee950e5dSChris Mi return true; 20510a7fcb78SPaul Blakey default: 20520a7fcb78SPaul Blakey continue; 2053fe1587a7SDmytro Linkin } 20542e72eb43SOr Gerlitz } 2055bbd00f7eSHadar Hen Zion 20560a7fcb78SPaul Blakey return false; 20570a7fcb78SPaul Blakey } 2058bcef735cSOr Gerlitz 20590a7fcb78SPaul Blakey static int 20600a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 20610a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 20620a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 20630a7fcb78SPaul Blakey bool *dont_care) 20640a7fcb78SPaul Blakey { 20650a7fcb78SPaul Blakey struct geneve_opt *opt; 20660a7fcb78SPaul Blakey int off = 0; 2067bcef735cSOr Gerlitz 20680a7fcb78SPaul Blakey *dont_care = true; 2069bcef735cSOr Gerlitz 20700a7fcb78SPaul Blakey while (opts->len > off) { 20710a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2072e98bedf5SEli Britstein 20730a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 20740a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 20750a7fcb78SPaul Blakey *dont_care = false; 20760a7fcb78SPaul Blakey 2077c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2078d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2079c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 20800a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 20810a7fcb78SPaul Blakey netdev_warn(priv->netdev, 20820a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2083e98bedf5SEli Britstein return -EOPNOTSUPP; 2084e98bedf5SEli Britstein } 2085bcef735cSOr Gerlitz } 2086bcef735cSOr Gerlitz 20870a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2088bbd00f7eSHadar Hen Zion } 2089bbd00f7eSHadar Hen Zion 2090bbd00f7eSHadar Hen Zion return 0; 2091bbd00f7eSHadar Hen Zion } 2092bbd00f7eSHadar Hen Zion 20930a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 20940a7fcb78SPaul Blakey ({ \ 20950a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 20960a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 20970a7fcb78SPaul Blakey \ 20980a7fcb78SPaul Blakey memcpy(__dst,\ 20990a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 21000a7fcb78SPaul Blakey diss_key,\ 21010a7fcb78SPaul Blakey __rule->match.key),\ 21020a7fcb78SPaul Blakey sizeof(*__dst));\ 21030a7fcb78SPaul Blakey }) 21040a7fcb78SPaul Blakey 21050a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 21060a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 21070a7fcb78SPaul Blakey struct flow_cls_offload *f, 21080a7fcb78SPaul Blakey struct net_device *filter_dev) 21098377629eSEli Britstein { 21100a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21110a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21120a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 21130a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2114d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 21150a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2116c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 21170a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 21180a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 21190a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 21200a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 21210a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 21220a7fcb78SPaul Blakey u32 value, mask; 21230a7fcb78SPaul Blakey int err; 21240a7fcb78SPaul Blakey 21250a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 21260a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 21270a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 21280a7fcb78SPaul Blakey 21290a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 21300a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 21310a7fcb78SPaul Blakey &tunnel_key.enc_control); 21320a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 21330a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 21340a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 21350a7fcb78SPaul Blakey else 21360a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 21370a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 21380a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 21390a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 21400a7fcb78SPaul Blakey &tunnel_key.enc_tp); 21410a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 21420a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 21430a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 21440a7fcb78SPaul Blakey 21450a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 21460a7fcb78SPaul Blakey if (err) 21470a7fcb78SPaul Blakey return err; 21480a7fcb78SPaul Blakey 21490a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 21500a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 21510a7fcb78SPaul Blakey enc_opts_match.mask, 21520a7fcb78SPaul Blakey extack, 21530a7fcb78SPaul Blakey &enc_opts_is_dont_care); 21540a7fcb78SPaul Blakey if (err) 21550a7fcb78SPaul Blakey goto err_enc_opts; 21560a7fcb78SPaul Blakey 21570a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2158d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2159d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2160d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2161d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2162d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2163d7a42ad0SRoi Dayan 21640a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2165d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 21660a7fcb78SPaul Blakey if (err) 21670a7fcb78SPaul Blakey goto err_enc_opts; 21680a7fcb78SPaul Blakey } 21690a7fcb78SPaul Blakey 21700a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 21710a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 21720a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 21730a7fcb78SPaul Blakey 21740a7fcb78SPaul Blakey if (attr->chain) { 21750a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 21760a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 21770a7fcb78SPaul Blakey } else { 21780a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 21790a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2180aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 21810a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 21820a7fcb78SPaul Blakey if (err) 21830a7fcb78SPaul Blakey goto err_set; 21840a7fcb78SPaul Blakey 21850a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 21860a7fcb78SPaul Blakey } 21870a7fcb78SPaul Blakey 218873a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 21890a7fcb78SPaul Blakey return 0; 21900a7fcb78SPaul Blakey 21910a7fcb78SPaul Blakey err_set: 21920a7fcb78SPaul Blakey if (enc_opts_id) 21930a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 21940a7fcb78SPaul Blakey enc_opts_id); 21950a7fcb78SPaul Blakey err_enc_opts: 21960a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 21970a7fcb78SPaul Blakey return err; 21980a7fcb78SPaul Blakey } 21990a7fcb78SPaul Blakey 22000a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 22010a7fcb78SPaul Blakey { 220273a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 220373a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 22040a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 22050a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 22060a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 22070a7fcb78SPaul Blakey 22080a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 22090a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22100a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 22110a7fcb78SPaul Blakey 22120a7fcb78SPaul Blakey if (tun_id) 22130a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 22140a7fcb78SPaul Blakey if (enc_opts_id) 22150a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 22160a7fcb78SPaul Blakey enc_opts_id); 22170a7fcb78SPaul Blakey } 22180a7fcb78SPaul Blakey 2219fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2220fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2221fca53304SEli Britstein void *headers_c, void *headers_v) 22224a5d5d73SEli Britstein { 2223fca53304SEli Britstein bool ip_version_cap; 2224fca53304SEli Britstein 2225fca53304SEli Britstein ip_version_cap = outer ? 2226fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2227fca53304SEli Britstein ft_field_support.outer_ip_version) : 2228fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2229fca53304SEli Britstein ft_field_support.inner_ip_version); 2230fca53304SEli Britstein 2231fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2232fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2233fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2234fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2235fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2236fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2237fca53304SEli Britstein } else { 22384a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 22394a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 22404a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 22414a5d5d73SEli Britstein ntohs(match->key->n_proto)); 22424a5d5d73SEli Britstein } 2243fca53304SEli Britstein } 22444a5d5d73SEli Britstein 22450d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2246a508728aSVlad Buslov { 2247a508728aSVlad Buslov void *headers_v; 2248a508728aSVlad Buslov u16 ethertype; 2249a508728aSVlad Buslov u8 ip_version; 2250a508728aSVlad Buslov 2251a508728aSVlad Buslov if (outer) 2252a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2253a508728aSVlad Buslov else 2254a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2255a508728aSVlad Buslov 2256a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2257a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2258a508728aSVlad Buslov if (!ip_version) { 2259a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2260a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2261a508728aSVlad Buslov ip_version = 4; 2262a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2263a508728aSVlad Buslov ip_version = 6; 2264a508728aSVlad Buslov } 2265a508728aSVlad Buslov return ip_version; 2266a508728aSVlad Buslov } 2267a508728aSVlad Buslov 2268b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2269b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2270b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2271b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2272b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2273b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2274b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2275b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2276b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2277b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2278b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2279b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2280b6dfff21SPaul Blakey * 2281b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2282b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2283b6dfff21SPaul Blakey * 2284b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2285b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2286b6dfff21SPaul Blakey * 2287b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2288b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2289b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2290b6dfff21SPaul Blakey */ 2291b6dfff21SPaul Blakey 2292b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2293b6dfff21SPaul Blakey struct flow_cls_offload *f, 2294b6dfff21SPaul Blakey bool *match_inner_ecn) 2295b6dfff21SPaul Blakey { 2296b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2297b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2298b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2299b6dfff21SPaul Blakey struct flow_match_ip match; 2300b6dfff21SPaul Blakey 2301b6dfff21SPaul Blakey *match_inner_ecn = true; 2302b6dfff21SPaul Blakey 2303b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2304b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2305b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2306b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2307b6dfff21SPaul Blakey } 2308b6dfff21SPaul Blakey 2309b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2310b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2311b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2312b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2313b6dfff21SPaul Blakey } 2314b6dfff21SPaul Blakey 2315b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2316b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2317b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2318b6dfff21SPaul Blakey return -EOPNOTSUPP; 2319b6dfff21SPaul Blakey } 2320b6dfff21SPaul Blakey 2321b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2322b6dfff21SPaul Blakey if (!inner_ecn_mask) 2323b6dfff21SPaul Blakey return 0; 2324b6dfff21SPaul Blakey 2325b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2326b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2327b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2328b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2329b6dfff21SPaul Blakey return -EOPNOTSUPP; 2330b6dfff21SPaul Blakey } 2331b6dfff21SPaul Blakey 2332b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2333b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2334b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2335b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2336b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2337b6dfff21SPaul Blakey return -EOPNOTSUPP; 2338b6dfff21SPaul Blakey } 2339b6dfff21SPaul Blakey 2340b6dfff21SPaul Blakey if (!inner_ecn_mask) 2341b6dfff21SPaul Blakey return 0; 2342b6dfff21SPaul Blakey 2343b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2344b6dfff21SPaul Blakey 2345b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2346b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2347b6dfff21SPaul Blakey 2348b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2349b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2350b6dfff21SPaul Blakey return -EOPNOTSUPP; 2351b6dfff21SPaul Blakey } 2352b6dfff21SPaul Blakey 2353b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2354b6dfff21SPaul Blakey return 0; 2355b6dfff21SPaul Blakey 2356b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2357b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2358b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2359b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2360b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2361b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2362b6dfff21SPaul Blakey return -EOPNOTSUPP; 2363b6dfff21SPaul Blakey } 2364b6dfff21SPaul Blakey 2365b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2366b6dfff21SPaul Blakey * drop match on inner ecn 2367b6dfff21SPaul Blakey */ 2368b6dfff21SPaul Blakey *match_inner_ecn = false; 2369b6dfff21SPaul Blakey 2370b6dfff21SPaul Blakey return 0; 2371b6dfff21SPaul Blakey } 2372b6dfff21SPaul Blakey 23730a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 23740a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 23750a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 23760a7fcb78SPaul Blakey struct flow_cls_offload *f, 23770a7fcb78SPaul Blakey struct net_device *filter_dev, 23780a7fcb78SPaul Blakey u8 *match_level, 23790a7fcb78SPaul Blakey bool *match_inner) 23800a7fcb78SPaul Blakey { 2381a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 23820a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23830a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 23840a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 23850a7fcb78SPaul Blakey int err; 23860a7fcb78SPaul Blakey 23870885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 23880885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 23890a7fcb78SPaul Blakey return -EOPNOTSUPP; 23900885ae1aSAbhiram R N } 23910a7fcb78SPaul Blakey 2392c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2393ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 23940a7fcb78SPaul Blakey *match_inner = !needs_mapping; 23950a7fcb78SPaul Blakey 23960a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2397636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2398c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2399636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24000a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2401636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24020a7fcb78SPaul Blakey return -EOPNOTSUPP; 24030a7fcb78SPaul Blakey } 24040a7fcb78SPaul Blakey 2405c620b772SAriel Levkovich if (!flow->attr->chain) { 24060a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 24070a7fcb78SPaul Blakey match_level); 24080a7fcb78SPaul Blakey if (err) { 24090a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 24100a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24110a7fcb78SPaul Blakey netdev_warn(priv->netdev, 24120a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24130a7fcb78SPaul Blakey return err; 24140a7fcb78SPaul Blakey } 24150a7fcb78SPaul Blakey 241614e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 241714e6b038SEli Cohen * object 241814e6b038SEli Cohen */ 241914e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2420c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2421a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2422a508728aSVlad Buslov if (err) 2423a508728aSVlad Buslov return err; 2424a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2425a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2426a508728aSVlad Buslov 2427a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2428a508728aSVlad Buslov if (!tmp_spec) { 2429a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2430a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2431a508728aSVlad Buslov return -ENOMEM; 2432a508728aSVlad Buslov } 2433a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2434a508728aSVlad Buslov 2435a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2436a508728aSVlad Buslov if (err) { 2437a508728aSVlad Buslov kvfree(tmp_spec); 2438a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2439a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2440a508728aSVlad Buslov return err; 2441a508728aSVlad Buslov } 2442a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2443a508728aSVlad Buslov kvfree(tmp_spec); 2444a508728aSVlad Buslov if (err) 2445a508728aSVlad Buslov return err; 24460a7fcb78SPaul Blakey } 24470a7fcb78SPaul Blakey 24480a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 24490a7fcb78SPaul Blakey return 0; 24500a7fcb78SPaul Blakey 24510a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 24520a7fcb78SPaul Blakey } 24530a7fcb78SPaul Blakey 24540a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 24550a7fcb78SPaul Blakey { 24560a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 24570a7fcb78SPaul Blakey inner_headers); 24580a7fcb78SPaul Blakey } 24590a7fcb78SPaul Blakey 24600a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 24610a7fcb78SPaul Blakey { 24620a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 24630a7fcb78SPaul Blakey inner_headers); 24640a7fcb78SPaul Blakey } 24650a7fcb78SPaul Blakey 24660a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 24670a7fcb78SPaul Blakey { 24680a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 24690a7fcb78SPaul Blakey outer_headers); 24700a7fcb78SPaul Blakey } 24710a7fcb78SPaul Blakey 24720a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 24730a7fcb78SPaul Blakey { 24740a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 24758377629eSEli Britstein outer_headers); 24768377629eSEli Britstein } 24778377629eSEli Britstein 24788ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 24798377629eSEli Britstein { 24808377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 24810a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 24820a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 24830a7fcb78SPaul Blakey } 24840a7fcb78SPaul Blakey 24858ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 24860a7fcb78SPaul Blakey { 24870a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 24880a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 24890a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 24908377629eSEli Britstein } 24918377629eSEli Britstein 24926d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 24936d65bc64Swenxu struct flow_cls_offload *f) 24946d65bc64Swenxu { 24956d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 24966d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 24976d65bc64Swenxu struct net_device *ingress_dev; 24986d65bc64Swenxu struct flow_match_meta match; 24996d65bc64Swenxu 25006d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 25016d65bc64Swenxu return 0; 25026d65bc64Swenxu 25036d65bc64Swenxu flow_rule_match_meta(rule, &match); 2504e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2505e3e0f9b2Swenxu return 0; 2506e3e0f9b2Swenxu 25076d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 25086d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2509a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25106d65bc64Swenxu } 25116d65bc64Swenxu 25126d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 25136d65bc64Swenxu match.key->ingress_ifindex); 25146d65bc64Swenxu if (!ingress_dev) { 25156d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25166d65bc64Swenxu "Can't find the ingress port to match on"); 2517a683012aSPablo Neira Ayuso return -ENOENT; 25186d65bc64Swenxu } 25196d65bc64Swenxu 25206d65bc64Swenxu if (ingress_dev != filter_dev) { 25216d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25226d65bc64Swenxu "Can't match on the ingress filter port"); 2523a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25246d65bc64Swenxu } 25256d65bc64Swenxu 25266d65bc64Swenxu return 0; 25276d65bc64Swenxu } 25286d65bc64Swenxu 252972046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 253072046a91SEli Cohen struct flow_cls_offload *f) 253172046a91SEli Cohen { 253272046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 253372046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 253472046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 253572046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 253672046a91SEli Cohen */ 253772046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 253872046a91SEli Cohen return true; 253972046a91SEli Cohen 254072046a91SEli Cohen return false; 254172046a91SEli Cohen } 254272046a91SEli Cohen 2543de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 25440a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2545de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2546f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 254754c177caSOz Shlomo struct net_device *filter_dev, 254893b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2549e3a2b7edSAmir Vadai { 2550e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2551c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2552c5bb1730SMaor Gottlieb outer_headers); 2553c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2554c5bb1730SMaor Gottlieb outer_headers); 2555699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2556699e96ddSJianbo Liu misc_parameters); 2557699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2558699e96ddSJianbo Liu misc_parameters); 2559a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2560a3222a2dSMaor Dickman misc_parameters_3); 2561a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2562a3222a2dSMaor Dickman misc_parameters_3); 2563f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 25648f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2565afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2566b6dfff21SPaul Blakey bool match_inner_ecn = true; 2567e3a2b7edSAmir Vadai u16 addr_type = 0; 2568e3a2b7edSAmir Vadai u8 ip_proto = 0; 256993b3586eSHuy Nguyen u8 *match_level; 25706d65bc64Swenxu int err; 2571e3a2b7edSAmir Vadai 2572afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 257393b3586eSHuy Nguyen match_level = outer_match_level; 2574de0af0bfSRoi Dayan 25758f256622SPablo Neira Ayuso if (dissector->used_keys & 25763d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 25773d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2578e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2579e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2580095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2581699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2582e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2583e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2584bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2585bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2586bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2587bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2588bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2589e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2590fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2591bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 25924c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 25939272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 259472046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2595a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 259672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2597e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 259848470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 25998f256622SPablo Neira Ayuso dissector->used_keys); 2600e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2601e3a2b7edSAmir Vadai } 2602e3a2b7edSAmir Vadai 2603075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 26040a7fcb78SPaul Blakey bool match_inner = false; 2605bbd00f7eSHadar Hen Zion 26060a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 26070a7fcb78SPaul Blakey outer_match_level, &match_inner); 26080a7fcb78SPaul Blakey if (err) 26090a7fcb78SPaul Blakey return err; 26100a7fcb78SPaul Blakey 26110a7fcb78SPaul Blakey if (match_inner) { 26120a7fcb78SPaul Blakey /* header pointers should point to the inner headers 26130a7fcb78SPaul Blakey * if the packet was decapsulated already. 26140a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2615bbd00f7eSHadar Hen Zion */ 261693b3586eSHuy Nguyen match_level = inner_match_level; 26170a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 26180a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 26190a7fcb78SPaul Blakey } 2620b6dfff21SPaul Blakey 2621b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2622b6dfff21SPaul Blakey if (err) 2623b6dfff21SPaul Blakey return err; 2624bbd00f7eSHadar Hen Zion } 2625bbd00f7eSHadar Hen Zion 26266d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 26276d65bc64Swenxu if (err) 26286d65bc64Swenxu return err; 26296d65bc64Swenxu 263072046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 263172046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 26328f256622SPablo Neira Ayuso struct flow_match_basic match; 2633e3a2b7edSAmir Vadai 26348f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2635fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2636fca53304SEli Britstein match_level == outer_match_level, 2637fca53304SEli Britstein headers_c, headers_v); 26388f256622SPablo Neira Ayuso 26398f256622SPablo Neira Ayuso if (match.mask->n_proto) 2640d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2641e3a2b7edSAmir Vadai } 264235a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 264335a605dbSEli Britstein is_vlan_dev(filter_dev)) { 264435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 264535a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 26468f256622SPablo Neira Ayuso struct flow_match_vlan match; 26478f256622SPablo Neira Ayuso 264835a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 264935a605dbSEli Britstein match.key = &filter_dev_key; 265035a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 265135a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 265235a605dbSEli Britstein match.key->vlan_priority = 0; 265335a605dbSEli Britstein match.mask = &filter_dev_mask; 265435a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 265535a605dbSEli Britstein match.mask->vlan_priority = 0; 265635a605dbSEli Britstein } else { 26578f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 265835a605dbSEli Britstein } 26598f256622SPablo Neira Ayuso if (match.mask->vlan_id || 26608f256622SPablo Neira Ayuso match.mask->vlan_priority || 26618f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 26628f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2663699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2664699e96ddSJianbo Liu svlan_tag, 1); 2665699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2666699e96ddSJianbo Liu svlan_tag, 1); 2667699e96ddSJianbo Liu } else { 2668699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2669699e96ddSJianbo Liu cvlan_tag, 1); 2670699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2671699e96ddSJianbo Liu cvlan_tag, 1); 2672699e96ddSJianbo Liu } 2673095b6cfdSOr Gerlitz 26748f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 26758f256622SPablo Neira Ayuso match.mask->vlan_id); 26768f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 26778f256622SPablo Neira Ayuso match.key->vlan_id); 2678358d79a4SOr Gerlitz 26798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 26808f256622SPablo Neira Ayuso match.mask->vlan_priority); 26818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 26828f256622SPablo Neira Ayuso match.key->vlan_priority); 268354782900SOr Gerlitz 2684d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2685ada09af9SVlad Buslov 2686ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2687ada09af9SVlad Buslov match.mask->vlan_eth_type && 2688ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2689ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2690ada09af9SVlad Buslov fs_type)) { 2691ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2692ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2693ada09af9SVlad Buslov spec->match_criteria_enable |= 2694ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2695ada09af9SVlad Buslov } 2696095b6cfdSOr Gerlitz } 2697d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2698fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2699fc603294SMark Bloch * disabled in match value means both S & C tags 2700fc603294SMark Bloch * don't exist (untagged of both) 2701fc603294SMark Bloch */ 2702cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2703d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2704095b6cfdSOr Gerlitz } 2705095b6cfdSOr Gerlitz 27068f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 27078f256622SPablo Neira Ayuso struct flow_match_vlan match; 27088f256622SPablo Neira Ayuso 270912d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 27108f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27118f256622SPablo Neira Ayuso match.mask->vlan_priority || 27128f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2713afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2714afe93f71SRoi Dayan fs_type)) { 2715afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2716afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2717afe93f71SRoi Dayan return -EOPNOTSUPP; 2718afe93f71SRoi Dayan } 2719afe93f71SRoi Dayan 27208f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2721699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2722699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2723699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2724699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2725699e96ddSJianbo Liu } else { 2726699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2727699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2728699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2729699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2730699e96ddSJianbo Liu } 2731699e96ddSJianbo Liu 2732699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 27338f256622SPablo Neira Ayuso match.mask->vlan_id); 2734699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 27358f256622SPablo Neira Ayuso match.key->vlan_id); 2736699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 27378f256622SPablo Neira Ayuso match.mask->vlan_priority); 2738699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 27398f256622SPablo Neira Ayuso match.key->vlan_priority); 2740699e96ddSJianbo Liu 2741699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 27420faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2743699e96ddSJianbo Liu } 2744699e96ddSJianbo Liu } 2745699e96ddSJianbo Liu 27468f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 27478f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 274854782900SOr Gerlitz 27498f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2750d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2751d3a80bb5SOr Gerlitz dmac_47_16), 27528f256622SPablo Neira Ayuso match.mask->dst); 2753d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2754d3a80bb5SOr Gerlitz dmac_47_16), 27558f256622SPablo Neira Ayuso match.key->dst); 2756d3a80bb5SOr Gerlitz 2757d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2758d3a80bb5SOr Gerlitz smac_47_16), 27598f256622SPablo Neira Ayuso match.mask->src); 2760d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2761d3a80bb5SOr Gerlitz smac_47_16), 27628f256622SPablo Neira Ayuso match.key->src); 2763d3a80bb5SOr Gerlitz 27648f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 27658f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2766d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 276754782900SOr Gerlitz } 276854782900SOr Gerlitz 27698f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 27708f256622SPablo Neira Ayuso struct flow_match_control match; 277154782900SOr Gerlitz 27728f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 27738f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 277454782900SOr Gerlitz 277554782900SOr Gerlitz /* the HW doesn't support frag first/later */ 27760885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 27770885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 277854782900SOr Gerlitz return -EOPNOTSUPP; 27790885ae1aSAbhiram R N } 278054782900SOr Gerlitz 27818f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 278254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 278354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 27848f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 278554782900SOr Gerlitz 278654782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 27878f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 278883621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 278954782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 279054782900SOr Gerlitz else 279183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 279254782900SOr Gerlitz } 279354782900SOr Gerlitz } 279454782900SOr Gerlitz 27958f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 27968f256622SPablo Neira Ayuso struct flow_match_basic match; 27978f256622SPablo Neira Ayuso 27988f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 27998f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 280054782900SOr Gerlitz 280154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 28028f256622SPablo Neira Ayuso match.mask->ip_proto); 280354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 28048f256622SPablo Neira Ayuso match.key->ip_proto); 280554782900SOr Gerlitz 28068f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2807d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 280854782900SOr Gerlitz } 280954782900SOr Gerlitz 2810e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 28118f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2812e3a2b7edSAmir Vadai 28138f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2814e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2815e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28168f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2817e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2818e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28198f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2820e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2821e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28228f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2823e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2824e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28258f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2826de0af0bfSRoi Dayan 28278f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2828d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2829e3a2b7edSAmir Vadai } 2830e3a2b7edSAmir Vadai 2831e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 28328f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2833e3a2b7edSAmir Vadai 28348f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2835e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2836e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 28378f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2838e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2839e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 28408f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2841e3a2b7edSAmir Vadai 2842e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2843e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 28448f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2845e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2846e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 28478f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2848de0af0bfSRoi Dayan 28498f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 28508f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2851d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2852e3a2b7edSAmir Vadai } 2853e3a2b7edSAmir Vadai 28548f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 28558f256622SPablo Neira Ayuso struct flow_match_ip match; 28561f97a526SOr Gerlitz 28578f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2858b6dfff21SPaul Blakey if (match_inner_ecn) { 28598f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 28608f256622SPablo Neira Ayuso match.mask->tos & 0x3); 28618f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 28628f256622SPablo Neira Ayuso match.key->tos & 0x3); 2863b6dfff21SPaul Blakey } 28641f97a526SOr Gerlitz 28658f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 28668f256622SPablo Neira Ayuso match.mask->tos >> 2); 28678f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 28688f256622SPablo Neira Ayuso match.key->tos >> 2); 28691f97a526SOr Gerlitz 28708f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 28718f256622SPablo Neira Ayuso match.mask->ttl); 28728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 28738f256622SPablo Neira Ayuso match.key->ttl); 28741f97a526SOr Gerlitz 28758f256622SPablo Neira Ayuso if (match.mask->ttl && 2876a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2877e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2878e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2879e98bedf5SEli Britstein "Matching on TTL is not supported"); 28801f97a526SOr Gerlitz return -EOPNOTSUPP; 2881e98bedf5SEli Britstein } 2882a8ade55fSOr Gerlitz 28838f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2884d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 28851f97a526SOr Gerlitz } 28861f97a526SOr Gerlitz 288754782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 288854782900SOr Gerlitz 28898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 28908f256622SPablo Neira Ayuso struct flow_match_ports match; 28918f256622SPablo Neira Ayuso 28928f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2893e3a2b7edSAmir Vadai switch (ip_proto) { 2894e3a2b7edSAmir Vadai case IPPROTO_TCP: 2895e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 28968f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2897e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 28988f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2899e3a2b7edSAmir Vadai 2900e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29018f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2902e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29038f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2904e3a2b7edSAmir Vadai break; 2905e3a2b7edSAmir Vadai 2906e3a2b7edSAmir Vadai case IPPROTO_UDP: 2907e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29088f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2909e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29108f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2911e3a2b7edSAmir Vadai 2912e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29138f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2914e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29158f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2916e3a2b7edSAmir Vadai break; 2917e3a2b7edSAmir Vadai default: 2918e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2919e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2920e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2921e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2922e3a2b7edSAmir Vadai return -EINVAL; 2923e3a2b7edSAmir Vadai } 2924de0af0bfSRoi Dayan 29258f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2926d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2927e3a2b7edSAmir Vadai } 2928e3a2b7edSAmir Vadai 29298f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 29308f256622SPablo Neira Ayuso struct flow_match_tcp match; 2931e77834ecSOr Gerlitz 29328f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2933e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 29348f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2935e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 29368f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2937e77834ecSOr Gerlitz 29388f256622SPablo Neira Ayuso if (match.mask->flags) 2939d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2940e77834ecSOr Gerlitz } 2941a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2942a3222a2dSMaor Dickman struct flow_match_icmp match; 2943e77834ecSOr Gerlitz 2944a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2945a3222a2dSMaor Dickman switch (ip_proto) { 2946a3222a2dSMaor Dickman case IPPROTO_ICMP: 2947a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 29480885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 29490885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 29500885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2951a3222a2dSMaor Dickman return -EOPNOTSUPP; 29520885ae1aSAbhiram R N } 2953a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2954a3222a2dSMaor Dickman match.mask->type); 2955a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2956a3222a2dSMaor Dickman match.key->type); 2957a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2958a3222a2dSMaor Dickman match.mask->code); 2959a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2960a3222a2dSMaor Dickman match.key->code); 2961a3222a2dSMaor Dickman break; 2962a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2963a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 29640885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 29650885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 29660885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2967a3222a2dSMaor Dickman return -EOPNOTSUPP; 29680885ae1aSAbhiram R N } 2969a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2970a3222a2dSMaor Dickman match.mask->type); 2971a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2972a3222a2dSMaor Dickman match.key->type); 2973a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2974a3222a2dSMaor Dickman match.mask->code); 2975a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2976a3222a2dSMaor Dickman match.key->code); 2977a3222a2dSMaor Dickman break; 2978a3222a2dSMaor Dickman default: 2979a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2980a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2981a3222a2dSMaor Dickman netdev_err(priv->netdev, 2982a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2983a3222a2dSMaor Dickman return -EINVAL; 2984a3222a2dSMaor Dickman } 2985a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2986a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2987a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2988a3222a2dSMaor Dickman } 2989a3222a2dSMaor Dickman } 299039c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 29917d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 29927d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 29937d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 29947d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 29957d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 29967d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 29977d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 29987d6c86e3SAlaa Hleihel } 29997d6c86e3SAlaa Hleihel 3000e3a2b7edSAmir Vadai return 0; 3001e3a2b7edSAmir Vadai } 3002e3a2b7edSAmir Vadai 3003de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 300465ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3005de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3006f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 300754c177caSOz Shlomo struct net_device *filter_dev) 3008de0af0bfSRoi Dayan { 300993b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3010e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3011de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3012de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 30131d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 30141d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3015226f2ca3SVlad Buslov bool is_eswitch_flow; 3016de0af0bfSRoi Dayan int err; 3017de0af0bfSRoi Dayan 301893b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 301993b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 302093b3586eSHuy Nguyen 30210a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 30220a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 302393b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 302493b3586eSHuy Nguyen outer_match_level : inner_match_level; 3025de0af0bfSRoi Dayan 3026226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3027226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 30281d447a39SSaeed Mahameed rep = rpriv->rep; 3029b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 30301d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 303193b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3032e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3033e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3034de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3035de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 303693b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3037de0af0bfSRoi Dayan return -EOPNOTSUPP; 3038de0af0bfSRoi Dayan } 3039de0af0bfSRoi Dayan } 3040de0af0bfSRoi Dayan 3041c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3042c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3043c620b772SAriel Levkovich 304438aa51c1SOr Gerlitz 3045de0af0bfSRoi Dayan return err; 3046de0af0bfSRoi Dayan } 3047de0af0bfSRoi Dayan 3048d79b6df6SOr Gerlitz struct mlx5_fields { 3049d79b6df6SOr Gerlitz u8 field; 305088f30bbcSDmytro Linkin u8 field_bsize; 305188f30bbcSDmytro Linkin u32 field_mask; 3052d79b6df6SOr Gerlitz u32 offset; 305327c11b6bSEli Britstein u32 match_offset; 3054d79b6df6SOr Gerlitz }; 3055d79b6df6SOr Gerlitz 305688f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 305788f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 305827c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 305927c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 306027c11b6bSEli Britstein 30612ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 30622ef86872SEli Britstein * match. 30632ef86872SEli Britstein */ 30642ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 30652ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 30662ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 30672ef86872SEli Britstein type maskx = *(type *)(maskp); \ 30682ef86872SEli Britstein type valx = *(type *)(valp); \ 30692ef86872SEli Britstein \ 30702ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 30712ef86872SEli Britstein matchmaskx)); \ 30722ef86872SEli Britstein }) 30732ef86872SEli Britstein 307427c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 307588f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 307627c11b6bSEli Britstein { 307727c11b6bSEli Britstein bool same = false; 307827c11b6bSEli Britstein 307988f30bbcSDmytro Linkin switch (bsize) { 308088f30bbcSDmytro Linkin case 8: 30812ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 308227c11b6bSEli Britstein break; 308388f30bbcSDmytro Linkin case 16: 30842ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 308527c11b6bSEli Britstein break; 308688f30bbcSDmytro Linkin case 32: 30872ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 308827c11b6bSEli Britstein break; 308927c11b6bSEli Britstein } 309027c11b6bSEli Britstein 309127c11b6bSEli Britstein return same; 309227c11b6bSEli Britstein } 3093a8e4f0c4SOr Gerlitz 3094d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 309588f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 309688f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 309788f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 309888f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 309988f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 310088f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3101d79b6df6SOr Gerlitz 3102ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 310388f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 310488f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 310588f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3106d79b6df6SOr Gerlitz 310788f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 310827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 310988f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 311027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 311188f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 311227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 311388f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 311427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 311588f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 311627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 311788f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 311827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 311988f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 312027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 312188f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 312227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 312388f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3124748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3125d79b6df6SOr Gerlitz 312688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 312788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 312888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 312988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3130d79b6df6SOr Gerlitz 313188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 313288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3133d79b6df6SOr Gerlitz }; 3134d79b6df6SOr Gerlitz 313582198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 313682198d8bSMaor Dickman { 313782198d8bSMaor Dickman __be32 mask_be32; 313882198d8bSMaor Dickman __be16 mask_be16; 313982198d8bSMaor Dickman 314082198d8bSMaor Dickman if (size == 32) { 314182198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 314282198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 314382198d8bSMaor Dickman } else if (size == 16) { 314482198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 314582198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 314682198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 314782198d8bSMaor Dickman } 314882198d8bSMaor Dickman 314982198d8bSMaor Dickman return mask; 315082198d8bSMaor Dickman } 315109bf9792SRoi Dayan 31526ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 31536ae4a6a5SPaul Blakey int namespace, 3154e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 315527c11b6bSEli Britstein u32 *action_flags, 3156e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3157d79b6df6SOr Gerlitz { 3158d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 315909bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 316088f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 316188f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 31626ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 316382198d8bSMaor Dickman unsigned long mask, field_mask; 31642c0e5cf5SPaul Blakey int i, first, last, next_z; 31652c0e5cf5SPaul Blakey struct mlx5_fields *f; 316688f30bbcSDmytro Linkin u8 cmd; 316788f30bbcSDmytro Linkin 31686ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 31698ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 31708ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3171d79b6df6SOr Gerlitz 317273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 317373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 317473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 317573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3176d79b6df6SOr Gerlitz 3177d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 317827c11b6bSEli Britstein bool skip; 317927c11b6bSEli Britstein 3180d79b6df6SOr Gerlitz f = &fields[i]; 3181d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3182e3ca4e05SOr Gerlitz s_mask = 0; 3183e3ca4e05SOr Gerlitz a_mask = 0; 3184d79b6df6SOr Gerlitz 3185d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3186d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3187d79b6df6SOr Gerlitz 318888f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 318988f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3190d79b6df6SOr Gerlitz 3191d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3192d79b6df6SOr Gerlitz continue; 3193d79b6df6SOr Gerlitz 3194d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3195e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3196e98bedf5SEli Britstein "can't set and add to the same HW field"); 319761b6a6c3SCai Huoqing netdev_warn(priv->netdev, 319861b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 319961b6a6c3SCai Huoqing f->field); 3200d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3201d79b6df6SOr Gerlitz } 3202d79b6df6SOr Gerlitz 320327c11b6bSEli Britstein skip = false; 3204d79b6df6SOr Gerlitz if (s_mask) { 320527c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 320627c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 320727c11b6bSEli Britstein 3208d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3209d79b6df6SOr Gerlitz mask = s_mask; 3210d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 321127c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 321227c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 321388f30bbcSDmytro Linkin match_mask, f->field_bsize)) 321427c11b6bSEli Britstein skip = true; 3215d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 321688f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3217d79b6df6SOr Gerlitz } else { 3218d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3219d79b6df6SOr Gerlitz mask = a_mask; 3220d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 322127c11b6bSEli Britstein /* add 0 is no change */ 322288f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 322327c11b6bSEli Britstein skip = true; 3224d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 322588f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3226d79b6df6SOr Gerlitz } 322727c11b6bSEli Britstein if (skip) 322827c11b6bSEli Britstein continue; 3229d79b6df6SOr Gerlitz 323082198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 32312b64bebaSOr Gerlitz 323288f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 323388f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 323488f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 32352b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3236e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3237e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 323861b6a6c3SCai Huoqing netdev_warn(priv->netdev, 323961b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3240d79b6df6SOr Gerlitz mask); 3241d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3242d79b6df6SOr Gerlitz } 3243d79b6df6SOr Gerlitz 32442c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 32452c0e5cf5SPaul Blakey if (IS_ERR(action)) { 32466ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32476ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 32486ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 32496ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 32506ae4a6a5SPaul Blakey mod_acts->num_actions); 32512c0e5cf5SPaul Blakey return PTR_ERR(action); 32526ae4a6a5SPaul Blakey } 32536ae4a6a5SPaul Blakey 3254d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3255d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3256d79b6df6SOr Gerlitz 3257d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 325888f30bbcSDmytro Linkin int start; 325988f30bbcSDmytro Linkin 326082198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 326182198d8bSMaor Dickman 326288f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 326382198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 326488f30bbcSDmytro Linkin 326588f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3266d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 32672b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3268d79b6df6SOr Gerlitz } 3269d79b6df6SOr Gerlitz 327088f30bbcSDmytro Linkin if (f->field_bsize == 32) 32712b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 327288f30bbcSDmytro Linkin else if (f->field_bsize == 16) 32732b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 327488f30bbcSDmytro Linkin else if (f->field_bsize == 8) 32752b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3276d79b6df6SOr Gerlitz 32776ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3278d79b6df6SOr Gerlitz } 3279d79b6df6SOr Gerlitz 3280d79b6df6SOr Gerlitz return 0; 3281d79b6df6SOr Gerlitz } 3282d79b6df6SOr Gerlitz 3283d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3284d79b6df6SOr Gerlitz 3285918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3286c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3287c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3288c500c86bSPablo Neira Ayuso { 3289c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3290c500c86bSPablo Neira Ayuso u8 cmd; 3291c500c86bSPablo Neira Ayuso 3292d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 329309bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3294d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 329509bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3296b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3297d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3298d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3299918ed7bfSRoi Dayan return -EOPNOTSUPP; 3300918ed7bfSRoi Dayan } 3301918ed7bfSRoi Dayan } 3302918ed7bfSRoi Dayan 3303918ed7bfSRoi Dayan return 0; 3304918ed7bfSRoi Dayan } 3305918ed7bfSRoi Dayan 3306918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3307918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3308918ed7bfSRoi Dayan u32 *action_flags, 3309918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3310918ed7bfSRoi Dayan { 3311918ed7bfSRoi Dayan int err; 3312918ed7bfSRoi Dayan 3313918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3314918ed7bfSRoi Dayan if (err) 3315d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3316918ed7bfSRoi Dayan 3317918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3318918ed7bfSRoi Dayan if (err) 3319918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3320d79b6df6SOr Gerlitz 3321d79b6df6SOr Gerlitz return 0; 3322d79b6df6SOr Gerlitz 3323d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 33242c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3325d79b6df6SOr Gerlitz return err; 3326d79b6df6SOr Gerlitz } 3327d79b6df6SOr Gerlitz 33288998576bSDmytro Linkin struct ip_ttl_word { 33298998576bSDmytro Linkin __u8 ttl; 33308998576bSDmytro Linkin __u8 protocol; 33318998576bSDmytro Linkin __sum16 check; 33328998576bSDmytro Linkin }; 33338998576bSDmytro Linkin 33348998576bSDmytro Linkin struct ipv6_hoplimit_word { 33358998576bSDmytro Linkin __be16 payload_len; 33368998576bSDmytro Linkin __u8 nexthdr; 33378998576bSDmytro Linkin __u8 hop_limit; 33388998576bSDmytro Linkin }; 33398998576bSDmytro Linkin 33401836d780SRoi Dayan static bool 33411836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 33421836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 33434c3844d9SPaul Blakey struct netlink_ext_ack *extack) 33448998576bSDmytro Linkin { 33458998576bSDmytro Linkin u32 mask, offset; 33468998576bSDmytro Linkin u8 htype; 33478998576bSDmytro Linkin 33488998576bSDmytro Linkin htype = act->mangle.htype; 33498998576bSDmytro Linkin offset = act->mangle.offset; 33508998576bSDmytro Linkin mask = ~act->mangle.mask; 33518998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 33528998576bSDmytro Linkin * to determine that modified fields 33538998576bSDmytro Linkin * are NOT ttl & hop_limit only. 33548998576bSDmytro Linkin */ 33558998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 33568998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 33578998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 33588998576bSDmytro Linkin 33598998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 33608998576bSDmytro Linkin ttl_word->protocol || 33618998576bSDmytro Linkin ttl_word->check) { 33624c3844d9SPaul Blakey *modify_ip_header = true; 33634c3844d9SPaul Blakey } 33644c3844d9SPaul Blakey 33657e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 33667e36feebSPaul Blakey *modify_tuple = true; 33677e36feebSPaul Blakey 33687e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 33694c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33704c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 33711836d780SRoi Dayan return false; 33728998576bSDmytro Linkin } 33738998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 33748998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 33758998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 33768998576bSDmytro Linkin 33778998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 33788998576bSDmytro Linkin hoplimit_word->payload_len || 33798998576bSDmytro Linkin hoplimit_word->nexthdr) { 33804c3844d9SPaul Blakey *modify_ip_header = true; 33818998576bSDmytro Linkin } 33824c3844d9SPaul Blakey 33837e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 33847e36feebSPaul Blakey *modify_tuple = true; 33857e36feebSPaul Blakey 33867e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 33874c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33884c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 33891836d780SRoi Dayan return false; 33908998576bSDmytro Linkin } 33917e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 33927e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 33937e36feebSPaul Blakey *modify_tuple = true; 33947e36feebSPaul Blakey if (ct_flow) { 33954c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33964c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 33971836d780SRoi Dayan return false; 33984c3844d9SPaul Blakey } 33997e36feebSPaul Blakey } 34004c3844d9SPaul Blakey 34011836d780SRoi Dayan return true; 34028998576bSDmytro Linkin } 34038998576bSDmytro Linkin 340496b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 340596b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 340696b5b458SDima Chumak struct mlx5e_priv *priv, 340796b5b458SDima Chumak struct mlx5_flow_spec *spec) 340896b5b458SDima Chumak { 340996b5b458SDima Chumak if (!modify_tuple || ct_clear) 341096b5b458SDima Chumak return true; 341196b5b458SDima Chumak 341296b5b458SDima Chumak if (ct_flow) { 341396b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 341496b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 341596b5b458SDima Chumak netdev_info(priv->netdev, 341696b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 341796b5b458SDima Chumak return false; 341896b5b458SDima Chumak } 341996b5b458SDima Chumak 342096b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 342196b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 342296b5b458SDima Chumak * we can't restore ct state 342396b5b458SDima Chumak */ 342496b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 342596b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 342696b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 342796b5b458SDima Chumak netdev_info(priv->netdev, 342896b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 342996b5b458SDima Chumak return false; 343096b5b458SDima Chumak } 343196b5b458SDima Chumak 343296b5b458SDima Chumak return true; 343396b5b458SDima Chumak } 343496b5b458SDima Chumak 34353d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 34363d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 343773867881SPablo Neira Ayuso struct flow_action *flow_action, 34384c3844d9SPaul Blakey u32 actions, bool ct_flow, 34397e36feebSPaul Blakey bool ct_clear, 3440e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3441bdd66ac0SOr Gerlitz { 344273867881SPablo Neira Ayuso const struct flow_action_entry *act; 34437e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3444fca53304SEli Britstein void *headers_c; 3445bdd66ac0SOr Gerlitz void *headers_v; 3446bdd66ac0SOr Gerlitz u16 ethertype; 34478998576bSDmytro Linkin u8 ip_proto; 34481836d780SRoi Dayan int i; 3449bdd66ac0SOr Gerlitz 34508ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 34518ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3452bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3453bdd66ac0SOr Gerlitz 3454bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3455fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3456fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3457bdd66ac0SOr Gerlitz goto out_ok; 3458bdd66ac0SOr Gerlitz 3459bdd66ac0SOr Gerlitz modify_ip_header = false; 34607e36feebSPaul Blakey modify_tuple = false; 346173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 346273867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 346373867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3464bdd66ac0SOr Gerlitz continue; 3465bdd66ac0SOr Gerlitz 34661836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 34677e36feebSPaul Blakey &modify_ip_header, 34681836d780SRoi Dayan &modify_tuple, extack)) 34691836d780SRoi Dayan return false; 3470bdd66ac0SOr Gerlitz } 3471bdd66ac0SOr Gerlitz 347296b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 347396b5b458SDima Chumak priv, spec)) 34747e36feebSPaul Blakey return false; 34757e36feebSPaul Blakey 3476bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 34771ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 34781ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3479e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3480e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 34813d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 34823d486ec4SOz Shlomo ip_proto); 3483bdd66ac0SOr Gerlitz return false; 3484bdd66ac0SOr Gerlitz } 3485bdd66ac0SOr Gerlitz 3486bdd66ac0SOr Gerlitz out_ok: 3487bdd66ac0SOr Gerlitz return true; 3488bdd66ac0SOr Gerlitz } 3489bdd66ac0SOr Gerlitz 34909c1d3511SRoi Dayan static bool 34919c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 34929c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 34939c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 34949c1d3511SRoi Dayan struct netlink_ext_ack *extack) 34959c1d3511SRoi Dayan { 3496d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 34979c1d3511SRoi Dayan bool ct_flow, ct_clear; 34989c1d3511SRoi Dayan 34999c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 35009c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 35019c1d3511SRoi Dayan 3502d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3503d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 35049c1d3511SRoi Dayan /* All registers used by ct are cleared when using 35059c1d3511SRoi Dayan * split rules. 35069c1d3511SRoi Dayan */ 35079c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 35089c1d3511SRoi Dayan return false; 35099c1d3511SRoi Dayan } 35109c1d3511SRoi Dayan 3511d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3512d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3513d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3514d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3515d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3516d4f401d9SRoi Dayan return false; 3517d4f401d9SRoi Dayan } 3518d4f401d9SRoi Dayan 35199c1d3511SRoi Dayan return true; 35209c1d3511SRoi Dayan } 35219c1d3511SRoi Dayan 35229c1d3511SRoi Dayan static bool 35239c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 352473867881SPablo Neira Ayuso struct flow_action *flow_action, 35250610f8dcSRoi Dayan u32 actions, 3526bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3527e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3528e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3529bdd66ac0SOr Gerlitz { 35309c1d3511SRoi Dayan bool ct_flow, ct_clear; 3531bdd66ac0SOr Gerlitz 35329c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3533a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3534c620b772SAriel Levkovich 35356b50cf45SRoi Dayan if (!(actions & 35366b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 35376b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 35386b50cf45SRoi Dayan return false; 35396b50cf45SRoi Dayan } 35406b50cf45SRoi Dayan 35415623ef8aSRoi Dayan if (!(~actions & 35425623ef8aSRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 35435623ef8aSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 35445623ef8aSRoi Dayan return false; 35455623ef8aSRoi Dayan } 35465623ef8aSRoi Dayan 35479c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 3548a2446bc7SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 3549a2446bc7SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 3550a2446bc7SRoi Dayan return false; 3551a2446bc7SRoi Dayan } 3552a2446bc7SRoi Dayan 35533d65492aSRoi Dayan if (!(~actions & 35543d65492aSRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 35553d65492aSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 35563d65492aSRoi Dayan return false; 35573d65492aSRoi Dayan } 35583d65492aSRoi Dayan 3559a2446bc7SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 356023216d38SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 356123216d38SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 356223216d38SRoi Dayan return false; 356323216d38SRoi Dayan } 356423216d38SRoi Dayan 35659c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 35669c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 35679c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 356849397b80SDan Carpenter return false; 3569bdd66ac0SOr Gerlitz 35709c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 35719c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 35729c1d3511SRoi Dayan return false; 3573bdd66ac0SOr Gerlitz 3574bdd66ac0SOr Gerlitz return true; 3575bdd66ac0SOr Gerlitz } 3576bdd66ac0SOr Gerlitz 357732134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 357832134847SMaor Dickman { 357932134847SMaor Dickman return priv->mdev == peer_priv->mdev; 358032134847SMaor Dickman } 358132134847SMaor Dickman 3582ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 35835c65c564SOr Gerlitz { 35845c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3585816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 35865c65c564SOr Gerlitz 35875c65c564SOr Gerlitz fmdev = priv->mdev; 35885c65c564SOr Gerlitz pmdev = peer_priv->mdev; 35895c65c564SOr Gerlitz 359059c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 359159c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 35925c65c564SOr Gerlitz 3593816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 35945c65c564SOr Gerlitz } 35955c65c564SOr Gerlitz 35960bac1194SEli Britstein static int 3597d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3598d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3599d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3600d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3601d9581e2fSRoi Dayan { 3602d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 360309bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3604d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3605d9581e2fSRoi Dayan int err; 3606d9581e2fSRoi Dayan 3607d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3608d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3609d9581e2fSRoi Dayan return 0; 3610d9581e2fSRoi Dayan 3611e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3612d9581e2fSRoi Dayan 361309bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3614d9581e2fSRoi Dayan if (err) 3615d9581e2fSRoi Dayan return err; 3616d9581e2fSRoi Dayan 3617d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3618d9581e2fSRoi Dayan return 0; 3619d9581e2fSRoi Dayan 3620fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3621d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 36222c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3623d9581e2fSRoi Dayan 3624d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3625d9581e2fSRoi Dayan return 0; 3626d9581e2fSRoi Dayan 3627d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3628d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3629d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3630d9581e2fSRoi Dayan 3631d9581e2fSRoi Dayan return 0; 3632d9581e2fSRoi Dayan } 3633d9581e2fSRoi Dayan 36348300f225SRoi Dayan static struct mlx5_flow_attr* 36358300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 36368300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 36378300f225SRoi Dayan { 36388300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 36398300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 36408300f225SRoi Dayan struct mlx5_flow_attr *attr2; 36418300f225SRoi Dayan 36428300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 36438300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 36448300f225SRoi Dayan if (!attr2 || !parse_attr) { 36458300f225SRoi Dayan kvfree(parse_attr); 36468300f225SRoi Dayan kfree(attr2); 3647371c2b34SDan Carpenter return NULL; 36488300f225SRoi Dayan } 36498300f225SRoi Dayan 36508300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 36518300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 36528300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 36538300f225SRoi Dayan attr2->action = 0; 36548300f225SRoi Dayan attr2->flags = 0; 36558300f225SRoi Dayan attr2->parse_attr = parse_attr; 365694d65173SRoi Dayan attr2->dest_chain = 0; 365794d65173SRoi Dayan attr2->dest_ft = NULL; 36587f1a6d4bSRoi Dayan 36597f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 36607f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 36617f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 36627f1a6d4bSRoi Dayan } 36637f1a6d4bSRoi Dayan 36648300f225SRoi Dayan return attr2; 36658300f225SRoi Dayan } 36668300f225SRoi Dayan 36678300f225SRoi Dayan struct mlx5_flow_attr * 36688300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 36698300f225SRoi Dayan { 36708300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 36718300f225SRoi Dayan struct mlx5_flow_attr *attr; 36728300f225SRoi Dayan int i; 36738300f225SRoi Dayan 36748300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36758300f225SRoi Dayan esw_attr = attr->esw_attr; 36768300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 36778300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 36788300f225SRoi Dayan return attr; 36798300f225SRoi Dayan } 36808300f225SRoi Dayan } 36818300f225SRoi Dayan 36828300f225SRoi Dayan return NULL; 36838300f225SRoi Dayan } 36848300f225SRoi Dayan 36858300f225SRoi Dayan void 36868300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 36878300f225SRoi Dayan { 36888300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 36898300f225SRoi Dayan struct mlx5_flow_attr *attr; 36908300f225SRoi Dayan 36918300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36928300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 36938300f225SRoi Dayan break; 36948300f225SRoi Dayan 36958300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 36968300f225SRoi Dayan } 36978300f225SRoi Dayan } 36988300f225SRoi Dayan 36998300f225SRoi Dayan static void 37008300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 37018300f225SRoi Dayan { 37028300f225SRoi Dayan struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 37038300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37048300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 37058300f225SRoi Dayan bool vf_tun; 37068300f225SRoi Dayan 37078300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 37088300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37098300f225SRoi Dayan break; 37108300f225SRoi Dayan 37118300f225SRoi Dayan if (attr->post_act_handle) 37128300f225SRoi Dayan mlx5e_tc_post_act_del(post_act, attr->post_act_handle); 37138300f225SRoi Dayan 37148300f225SRoi Dayan clean_encap_dests(flow->priv, flow, attr, &vf_tun); 37158300f225SRoi Dayan 37168300f225SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 37178300f225SRoi Dayan mlx5_fc_destroy(counter_dev, attr->counter); 37188300f225SRoi Dayan 37198300f225SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 37208300f225SRoi Dayan mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 37218300f225SRoi Dayan if (attr->modify_hdr) 37228300f225SRoi Dayan mlx5_modify_header_dealloc(flow->priv->mdev, attr->modify_hdr); 37238300f225SRoi Dayan } 37248300f225SRoi Dayan 37258300f225SRoi Dayan list_del(&attr->list); 37268300f225SRoi Dayan kvfree(attr->parse_attr); 37278300f225SRoi Dayan kfree(attr); 37288300f225SRoi Dayan } 37298300f225SRoi Dayan } 37308300f225SRoi Dayan 37318300f225SRoi Dayan int 37328300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 37338300f225SRoi Dayan { 37348300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37358300f225SRoi Dayan struct mlx5_flow_attr *attr; 37368300f225SRoi Dayan int err = 0; 37378300f225SRoi Dayan 37388300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37398300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37408300f225SRoi Dayan break; 37418300f225SRoi Dayan 37428300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 37438300f225SRoi Dayan if (err) 37448300f225SRoi Dayan break; 37458300f225SRoi Dayan } 37468300f225SRoi Dayan 37478300f225SRoi Dayan return err; 37488300f225SRoi Dayan } 37498300f225SRoi Dayan 37508300f225SRoi Dayan /* TC filter rule HW translation: 37518300f225SRoi Dayan * 37528300f225SRoi Dayan * +---------------------+ 37538300f225SRoi Dayan * + ft prio (tc chain) + 37548300f225SRoi Dayan * + original match + 37558300f225SRoi Dayan * +---------------------+ 37568300f225SRoi Dayan * | 37578300f225SRoi Dayan * | if multi table action 37588300f225SRoi Dayan * | 37598300f225SRoi Dayan * v 37608300f225SRoi Dayan * +---------------------+ 37618300f225SRoi Dayan * + post act ft |<----. 37628300f225SRoi Dayan * + match fte id | | split on multi table action 37638300f225SRoi Dayan * + do actions |-----' 37648300f225SRoi Dayan * +---------------------+ 37658300f225SRoi Dayan * | 37668300f225SRoi Dayan * | 37678300f225SRoi Dayan * v 37688300f225SRoi Dayan * Do rest of the actions after last multi table action. 37698300f225SRoi Dayan */ 37708300f225SRoi Dayan static int 37718300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 37728300f225SRoi Dayan { 37738300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37748300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 37758300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 37768300f225SRoi Dayan int err; 37778300f225SRoi Dayan 37788300f225SRoi Dayan /* This is going in reverse order as needed. 37798300f225SRoi Dayan * The first entry is the last attribute. 37808300f225SRoi Dayan */ 37818300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37828300f225SRoi Dayan if (!next_attr) { 37838300f225SRoi Dayan /* Set counter action on last post act rule. */ 37848300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 37858300f225SRoi Dayan } else { 37868300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 37878300f225SRoi Dayan if (err) 37888300f225SRoi Dayan goto out_free; 37898300f225SRoi Dayan } 37908300f225SRoi Dayan 37918300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 37928300f225SRoi Dayan * It's being handled by the caller. 37938300f225SRoi Dayan */ 37948300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37958300f225SRoi Dayan break; 37968300f225SRoi Dayan 37978300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 37988300f225SRoi Dayan if (err) 37998300f225SRoi Dayan goto out_free; 38008300f225SRoi Dayan 3801*8facc02fSOz Shlomo err = post_process_attr(flow, attr, true, extack); 38028300f225SRoi Dayan if (err) 38038300f225SRoi Dayan goto out_free; 38048300f225SRoi Dayan 38058300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 38068300f225SRoi Dayan if (IS_ERR(handle)) { 38078300f225SRoi Dayan err = PTR_ERR(handle); 38088300f225SRoi Dayan goto out_free; 38098300f225SRoi Dayan } 38108300f225SRoi Dayan 38118300f225SRoi Dayan attr->post_act_handle = handle; 38128300f225SRoi Dayan next_attr = attr; 38138300f225SRoi Dayan } 38148300f225SRoi Dayan 38158300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 38168300f225SRoi Dayan goto out; 38178300f225SRoi Dayan 38188300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 38198300f225SRoi Dayan if (err) 38208300f225SRoi Dayan goto out_free; 38218300f225SRoi Dayan 38228300f225SRoi Dayan out: 38238300f225SRoi Dayan return 0; 38248300f225SRoi Dayan 38258300f225SRoi Dayan out_free: 38268300f225SRoi Dayan free_flow_post_acts(flow); 38278300f225SRoi Dayan return err; 38288300f225SRoi Dayan } 38298300f225SRoi Dayan 38308300f225SRoi Dayan static int 38318300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 38328300f225SRoi Dayan struct flow_action *flow_action) 38338300f225SRoi Dayan { 38348300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 38358300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 38368300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 38378300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 38388300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 38398300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 38408300f225SRoi Dayan struct flow_action_entry *act, **_act; 38418300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 38428300f225SRoi Dayan int err, i; 38438300f225SRoi Dayan 38448300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 38458300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 38468300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 38478300f225SRoi Dayan if (!flow_action_reorder.entries) 38488300f225SRoi Dayan return -ENOMEM; 38498300f225SRoi Dayan 38508300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 38518300f225SRoi Dayan 38528300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 38538300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 38548300f225SRoi Dayan 38558300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 38568300f225SRoi Dayan act = *_act; 38578300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 38588300f225SRoi Dayan if (!tc_act) { 38598300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 38608300f225SRoi Dayan err = -EOPNOTSUPP; 38618300f225SRoi Dayan goto out_free; 38628300f225SRoi Dayan } 38638300f225SRoi Dayan 38648300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 38658300f225SRoi Dayan err = -EOPNOTSUPP; 38668300f225SRoi Dayan goto out_free; 38678300f225SRoi Dayan } 38688300f225SRoi Dayan 38698300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 38708300f225SRoi Dayan if (err) 38718300f225SRoi Dayan goto out_free; 38728300f225SRoi Dayan 38738300f225SRoi Dayan parse_state->actions |= attr->action; 38748300f225SRoi Dayan 38758300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 38768300f225SRoi Dayan if (tc_act->is_multi_table_act && 38778300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 38788300f225SRoi Dayan i < flow_action_reorder.num_entries - 1) { 38798300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 38808300f225SRoi Dayan if (err) 38818300f225SRoi Dayan goto out_free; 38828300f225SRoi Dayan 38838300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 38848300f225SRoi Dayan if (!attr) { 38858300f225SRoi Dayan err = -ENOMEM; 38868300f225SRoi Dayan goto out_free; 38878300f225SRoi Dayan } 38888300f225SRoi Dayan 38898300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 38908300f225SRoi Dayan } 38918300f225SRoi Dayan } 38928300f225SRoi Dayan 38938300f225SRoi Dayan kfree(flow_action_reorder.entries); 38948300f225SRoi Dayan 38958300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 38968300f225SRoi Dayan if (err) 38978300f225SRoi Dayan goto out_free_post_acts; 38988300f225SRoi Dayan 38998300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 39008300f225SRoi Dayan if (err) 39018300f225SRoi Dayan goto out_free_post_acts; 39028300f225SRoi Dayan 39038300f225SRoi Dayan return 0; 39048300f225SRoi Dayan 39058300f225SRoi Dayan out_free: 39068300f225SRoi Dayan kfree(flow_action_reorder.entries); 39078300f225SRoi Dayan out_free_post_acts: 39088300f225SRoi Dayan free_flow_post_acts(flow); 39098300f225SRoi Dayan 39108300f225SRoi Dayan return err; 39118300f225SRoi Dayan } 39128300f225SRoi Dayan 3913d9581e2fSRoi Dayan static int 3914df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3915df990477SRoi Dayan struct netlink_ext_ack *extack) 3916df990477SRoi Dayan { 3917df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3918df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3919df990477SRoi Dayan return -EINVAL; 3920df990477SRoi Dayan } 3921df990477SRoi Dayan 3922df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3923df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3924df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3925df990477SRoi Dayan return -EOPNOTSUPP; 3926df990477SRoi Dayan } 3927df990477SRoi Dayan 3928df990477SRoi Dayan return 0; 3929df990477SRoi Dayan } 3930df990477SRoi Dayan 3931df990477SRoi Dayan static int 3932d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 393373867881SPablo Neira Ayuso struct flow_action *flow_action, 3934e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3935e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3936e3a2b7edSAmir Vadai { 3937fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3938c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3939c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 39408333d53eSRoi Dayan int err; 3941e3a2b7edSAmir Vadai 3942df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3943df990477SRoi Dayan if (err) 3944df990477SRoi Dayan return err; 3945319a1d19SJiri Pirko 3946fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3947c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3948fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3949fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3950758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3951e3a2b7edSAmir Vadai 39528333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3953fad54790SRoi Dayan if (err) 3954fad54790SRoi Dayan return err; 3955e3a2b7edSAmir Vadai 395609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 3957d9581e2fSRoi Dayan if (err) 3958d9581e2fSRoi Dayan return err; 3959d9581e2fSRoi Dayan 39600610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 39610610f8dcSRoi Dayan parse_attr, flow, extack)) 3962bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3963bdd66ac0SOr Gerlitz 3964e3a2b7edSAmir Vadai return 0; 3965e3a2b7edSAmir Vadai } 3966e3a2b7edSAmir Vadai 396732134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3968b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3969b1d90e6bSRabie Loulou { 3970b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3971b1d90e6bSRabie Loulou 3972b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3973b1d90e6bSRabie Loulou 3974b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 397532134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 397632134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 3977ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 3978d34eb2fcSOr Gerlitz } 3979d34eb2fcSOr Gerlitz 398032134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 398132134847SMaor Dickman struct net_device *peer_netdev) 398232134847SMaor Dickman { 398332134847SMaor Dickman struct mlx5e_priv *peer_priv; 398432134847SMaor Dickman 398532134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 398632134847SMaor Dickman 398732134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 398832134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 3989ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 399032134847SMaor Dickman } 399132134847SMaor Dickman 399232134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 399332134847SMaor Dickman struct net_device *peer_netdev) 399432134847SMaor Dickman { 399532134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 399632134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 399732134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 399832134847SMaor Dickman } 399932134847SMaor Dickman 400094db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 400194db3317SEli Cohen { 4002d6c13d74SEli Cohen if (same_hw_reps(priv, out_dev) && 400394db3317SEli Cohen MLX5_CAP_PORT_SELECTION(priv->mdev, port_select_flow_table) && 400494db3317SEli Cohen MLX5_CAP_GEN(priv->mdev, create_lag_when_not_master_up)) 400594db3317SEli Cohen return true; 400694db3317SEli Cohen 400794db3317SEli Cohen return false; 400894db3317SEli Cohen } 400994db3317SEli Cohen 4010f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4011f6dc1264SPaul Blakey struct net_device *out_dev) 4012f6dc1264SPaul Blakey { 401332134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 401432134847SMaor Dickman return true; 401532134847SMaor Dickman 401694db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 401794db3317SEli Cohen return true; 401894db3317SEli Cohen 401932134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4020f6dc1264SPaul Blakey return true; 4021f6dc1264SPaul Blakey 4022f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 402332134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4024f6dc1264SPaul Blakey } 4025f6dc1264SPaul Blakey 402627484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 402727484f71SAriel Levkovich struct mlx5_flow_attr *attr, 402827484f71SAriel Levkovich int ifindex, 402927484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 403027484f71SAriel Levkovich u32 *action, 403127484f71SAriel Levkovich int out_index) 403227484f71SAriel Levkovich { 403327484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 403427484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 403527484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 403627484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 403727484f71SAriel Levkovich int err; 403827484f71SAriel Levkovich 403927484f71SAriel Levkovich parse_attr = attr->parse_attr; 404027484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 404127484f71SAriel Levkovich 404227484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 404327484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 404427484f71SAriel Levkovich return PTR_ERR(dest_int_port); 404527484f71SAriel Levkovich 404627484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 404727484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 404827484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 404927484f71SAriel Levkovich if (err) { 405027484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 405127484f71SAriel Levkovich return err; 405227484f71SAriel Levkovich } 405327484f71SAriel Levkovich 405427484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 405527484f71SAriel Levkovich 405627484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 405727484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 405827484f71SAriel Levkovich 405927484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 406027484f71SAriel Levkovich attr->dest_chain = 0; 406127484f71SAriel Levkovich 406227484f71SAriel Levkovich return 0; 406327484f71SAriel Levkovich } 406427484f71SAriel Levkovich 40658333d53eSRoi Dayan static int 40668333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 406773867881SPablo Neira Ayuso struct flow_action *flow_action, 4068e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 406970f8019eSRoi Dayan struct netlink_ext_ack *extack) 4070a54e20b4SHadar Hen Zion { 4071fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4072c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4073c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4074c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4075f382a241SAriel Levkovich struct net_device *filter_dev; 40768333d53eSRoi Dayan int err; 407703a9d11eSOr Gerlitz 4078df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4079df990477SRoi Dayan if (err) 4080df990477SRoi Dayan return err; 4081319a1d19SJiri Pirko 4082c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4083c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4084f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4085fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4086fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4087758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4088c620b772SAriel Levkovich 40898333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4090fad54790SRoi Dayan if (err) 4091fad54790SRoi Dayan return err; 4092bdd66ac0SOr Gerlitz 4093166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4094f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4095166f431eSAriel Levkovich esw_attr->out_count > 1) { 409627484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4097166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 409827484f71SAriel Levkovich return -EOPNOTSUPP; 409927484f71SAriel Levkovich } 410027484f71SAriel Levkovich 4101f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4102f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4103f382a241SAriel Levkovich esw_attr->dest_int_port) { 4104f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4105f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4106f382a241SAriel Levkovich return -EOPNOTSUPP; 4107f382a241SAriel Levkovich } 4108f382a241SAriel Levkovich 410909bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4110c500c86bSPablo Neira Ayuso if (err) 4111c500c86bSPablo Neira Ayuso return err; 4112c500c86bSPablo Neira Ayuso 41130610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 41140610f8dcSRoi Dayan parse_attr, flow, extack)) 4115bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4116bdd66ac0SOr Gerlitz 411731c8eba5SOr Gerlitz return 0; 411803a9d11eSOr Gerlitz } 411903a9d11eSOr Gerlitz 4120226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 412160bd4af8SOr Gerlitz { 4122226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 412360bd4af8SOr Gerlitz 4124226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4125226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4126226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4127226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 412860bd4af8SOr Gerlitz 4129226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4130226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4131226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4132226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 413384179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 413484179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4135d9ee0491SOr Gerlitz 413660bd4af8SOr Gerlitz *flow_flags = __flow_flags; 413760bd4af8SOr Gerlitz } 413860bd4af8SOr Gerlitz 413905866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 414005866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 414105866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 414205866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 414305866c82SOr Gerlitz .automatic_shrinking = true, 414405866c82SOr Gerlitz }; 414505866c82SOr Gerlitz 4146226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4147226f2ca3SVlad Buslov unsigned long flags) 414805866c82SOr Gerlitz { 4149f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4150d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4151655dc3d2SOr Gerlitz 4152226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4153d1a3138fSPaul Blakey rpriv = priv->ppriv; 4154d1a3138fSPaul Blakey return &rpriv->tc_ht; 4155d9ee0491SOr Gerlitz } else /* NIC offload */ 4156f52f2faeSLama Kayal return &tc->ht; 415705866c82SOr Gerlitz } 415805866c82SOr Gerlitz 415904de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 416004de7ddaSRoi Dayan { 4161c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4162c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4163c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4164226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 41651418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 41661418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4167c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 41681418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 41691418ddd9SAviv Heller 417010fbb1cdSRoi Dayan if (!esw_paired) 417110fbb1cdSRoi Dayan return false; 417210fbb1cdSRoi Dayan 4173c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4174c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 417510fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 417610fbb1cdSRoi Dayan return true; 417710fbb1cdSRoi Dayan 417810fbb1cdSRoi Dayan return false; 417904de7ddaSRoi Dayan } 418004de7ddaSRoi Dayan 4181c620b772SAriel Levkovich struct mlx5_flow_attr * 4182c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4183c620b772SAriel Levkovich { 4184c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4185c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4186c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4187c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4188c620b772SAriel Levkovich 41898300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 41908300f225SRoi Dayan if (!attr) 41918300f225SRoi Dayan return attr; 41928300f225SRoi Dayan 41938300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 41948300f225SRoi Dayan return attr; 4195c620b772SAriel Levkovich } 4196c620b772SAriel Levkovich 4197a88780a9SRoi Dayan static int 4198a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4199226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4200a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4201a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4202e3a2b7edSAmir Vadai { 420317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4204c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 42053bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4206ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4207ff7ea04aSGustavo A. R. Silva int out_index; 4208776b12b6SOr Gerlitz 4209c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 42101b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4211ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4212ff7ea04aSGustavo A. R. Silva goto err_free; 4213c620b772SAriel Levkovich 4214c620b772SAriel Levkovich flow->flags = flow_flags; 4215c620b772SAriel Levkovich flow->cookie = f->cookie; 4216c620b772SAriel Levkovich flow->priv = priv; 4217c620b772SAriel Levkovich 4218e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4219ff7ea04aSGustavo A. R. Silva if (!attr) 4220e3a2b7edSAmir Vadai goto err_free; 4221ff7ea04aSGustavo A. R. Silva 4222c620b772SAriel Levkovich flow->attr = attr; 4223e3a2b7edSAmir Vadai 42245a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 42255a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 42265a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 422714e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 42288300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 42295a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 423095435ad7SVlad Buslov init_completion(&flow->init_done); 4231362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4232e3a2b7edSAmir Vadai 4233a88780a9SRoi Dayan *__flow = flow; 4234a88780a9SRoi Dayan *__parse_attr = parse_attr; 4235a88780a9SRoi Dayan 4236a88780a9SRoi Dayan return 0; 4237a88780a9SRoi Dayan 4238a88780a9SRoi Dayan err_free: 4239a88780a9SRoi Dayan kfree(flow); 4240a88780a9SRoi Dayan kvfree(parse_attr); 4241a88780a9SRoi Dayan return err; 4242adb4c123SOr Gerlitz } 4243adb4c123SOr Gerlitz 4244988ab9c7STonghao Zhang static void 4245c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4246c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4247c7569097SAriel Levkovich struct flow_cls_offload *f) 4248c7569097SAriel Levkovich { 4249c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4250c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4251c7569097SAriel Levkovich attr->prio = f->common.prio; 4252c7569097SAriel Levkovich } 4253c7569097SAriel Levkovich 4254c7569097SAriel Levkovich static void 4255c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4256988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4257988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4258f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4259988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4260988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4261988ab9c7STonghao Zhang { 4262988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4263c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4264988ab9c7STonghao Zhang 4265c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4266988ab9c7STonghao Zhang 4267988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4268988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4269988ab9c7STonghao Zhang 4270988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4271988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4272988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4273988ab9c7STonghao Zhang else 4274988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4275988ab9c7STonghao Zhang } 4276988ab9c7STonghao Zhang 427771129676SJason Gunthorpe static struct mlx5e_tc_flow * 427804de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4279f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4280226f2ca3SVlad Buslov unsigned long flow_flags, 4281d11afc26SOz Shlomo struct net_device *filter_dev, 428204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 428371129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4284a88780a9SRoi Dayan { 4285f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 428694db3317SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4287a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4288a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4289a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4290a88780a9SRoi Dayan int attr_size, err; 4291a88780a9SRoi Dayan 4292226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4293a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4294a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4295a88780a9SRoi Dayan &parse_attr, &flow); 4296a88780a9SRoi Dayan if (err) 4297a88780a9SRoi Dayan goto out; 4298988ab9c7STonghao Zhang 4299d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4300c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4301988ab9c7STonghao Zhang priv, parse_attr, 4302988ab9c7STonghao Zhang f, in_rep, in_mdev); 4303988ab9c7STonghao Zhang 430454c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 430554c177caSOz Shlomo f, filter_dev); 4306d11afc26SOz Shlomo if (err) 4307d11afc26SOz Shlomo goto err_free; 4308a88780a9SRoi Dayan 43097e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4310aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4311c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4312a88780a9SRoi Dayan if (err) 4313a88780a9SRoi Dayan goto err_free; 4314a88780a9SRoi Dayan 4315d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 4316d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4317d4bb0531SRoi Dayan 431870f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 43194c3844d9SPaul Blakey if (err) 43204c3844d9SPaul Blakey goto err_free; 43214c3844d9SPaul Blakey 432294db3317SEli Cohen if (flow->attr->lag.count) { 432394db3317SEli Cohen err = mlx5_lag_add_mpesw_rule(esw->dev); 432494db3317SEli Cohen if (err) 432594db3317SEli Cohen goto err_free; 432694db3317SEli Cohen } 432794db3317SEli Cohen 43287040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 432995435ad7SVlad Buslov complete_all(&flow->init_done); 4330ef06c9eeSRoi Dayan if (err) { 4331ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 433294db3317SEli Cohen goto err_lag; 43335c40348cSOr Gerlitz 4334b4a23329SRoi Dayan add_unready_flow(flow); 4335ef06c9eeSRoi Dayan } 4336ef06c9eeSRoi Dayan 433771129676SJason Gunthorpe return flow; 4338e3a2b7edSAmir Vadai 433994db3317SEli Cohen err_lag: 434094db3317SEli Cohen if (flow->attr->lag.count) 434194db3317SEli Cohen mlx5_lag_del_mpesw_rule(esw->dev); 4342e3a2b7edSAmir Vadai err_free: 43435a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4344a88780a9SRoi Dayan out: 434571129676SJason Gunthorpe return ERR_PTR(err); 4346a88780a9SRoi Dayan } 4347a88780a9SRoi Dayan 4348f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 434995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4350226f2ca3SVlad Buslov unsigned long flow_flags) 435104de7ddaSRoi Dayan { 435204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 435304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4354c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 435504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 435604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 435704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 435804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 435904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 436004de7ddaSRoi Dayan int err = 0; 436104de7ddaSRoi Dayan 436204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 436304de7ddaSRoi Dayan if (!peer_esw) 436404de7ddaSRoi Dayan return -ENODEV; 436504de7ddaSRoi Dayan 436604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 436704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 436804de7ddaSRoi Dayan 436904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 437004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 437104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 437204de7ddaSRoi Dayan * peer mdev. 437304de7ddaSRoi Dayan */ 4374c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 437504de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 437604de7ddaSRoi Dayan else 437704de7ddaSRoi Dayan in_mdev = priv->mdev; 437804de7ddaSRoi Dayan 4379c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 438095dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 438104de7ddaSRoi Dayan parse_attr->filter_dev, 4382c620b772SAriel Levkovich attr->in_rep, in_mdev); 438371129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 438471129676SJason Gunthorpe err = PTR_ERR(peer_flow); 438504de7ddaSRoi Dayan goto out; 438671129676SJason Gunthorpe } 438704de7ddaSRoi Dayan 438804de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4389226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 439004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 439104de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 439204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 439304de7ddaSRoi Dayan 439404de7ddaSRoi Dayan out: 439504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 439604de7ddaSRoi Dayan return err; 439704de7ddaSRoi Dayan } 439804de7ddaSRoi Dayan 439904de7ddaSRoi Dayan static int 440004de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4401f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4402226f2ca3SVlad Buslov unsigned long flow_flags, 440304de7ddaSRoi Dayan struct net_device *filter_dev, 440404de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 440504de7ddaSRoi Dayan { 440604de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 440704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 440804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 440904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 441004de7ddaSRoi Dayan int err; 441104de7ddaSRoi Dayan 441271129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 441371129676SJason Gunthorpe in_mdev); 441471129676SJason Gunthorpe if (IS_ERR(flow)) 441571129676SJason Gunthorpe return PTR_ERR(flow); 441604de7ddaSRoi Dayan 441704de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 441895dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 441904de7ddaSRoi Dayan if (err) { 442004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 442104de7ddaSRoi Dayan goto out; 442204de7ddaSRoi Dayan } 442304de7ddaSRoi Dayan } 442404de7ddaSRoi Dayan 442504de7ddaSRoi Dayan *__flow = flow; 442604de7ddaSRoi Dayan 442704de7ddaSRoi Dayan return 0; 442804de7ddaSRoi Dayan 442904de7ddaSRoi Dayan out: 443004de7ddaSRoi Dayan return err; 443104de7ddaSRoi Dayan } 443204de7ddaSRoi Dayan 4433a88780a9SRoi Dayan static int 4434a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4435f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4436226f2ca3SVlad Buslov unsigned long flow_flags, 4437d11afc26SOz Shlomo struct net_device *filter_dev, 4438a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4439a88780a9SRoi Dayan { 4440f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4441a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4442a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4443a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4444a88780a9SRoi Dayan int attr_size, err; 4445a88780a9SRoi Dayan 4446c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4447bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4448bf07aa73SPaul Blakey return -EOPNOTSUPP; 4449c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4450c7569097SAriel Levkovich return -EOPNOTSUPP; 4451c7569097SAriel Levkovich } 4452bf07aa73SPaul Blakey 4453226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4454a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4455a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4456a88780a9SRoi Dayan &parse_attr, &flow); 4457a88780a9SRoi Dayan if (err) 4458a88780a9SRoi Dayan goto out; 4459a88780a9SRoi Dayan 4460d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4461c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4462c7569097SAriel Levkovich 446354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 446454c177caSOz Shlomo f, filter_dev); 4465d11afc26SOz Shlomo if (err) 4466d11afc26SOz Shlomo goto err_free; 4467d11afc26SOz Shlomo 4468aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4469aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4470aedd133dSAriel Levkovich if (err) 4471aedd133dSAriel Levkovich goto err_free; 4472aedd133dSAriel Levkovich 4473c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4474a88780a9SRoi Dayan if (err) 4475a88780a9SRoi Dayan goto err_free; 4476a88780a9SRoi Dayan 4477c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4478a88780a9SRoi Dayan if (err) 4479a88780a9SRoi Dayan goto err_free; 4480a88780a9SRoi Dayan 4481226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4482a88780a9SRoi Dayan *__flow = flow; 4483a88780a9SRoi Dayan 4484a88780a9SRoi Dayan return 0; 4485a88780a9SRoi Dayan 4486a88780a9SRoi Dayan err_free: 44878914add2SVlad Buslov flow_flag_set(flow, FAILED); 44882c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 44895a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4490a88780a9SRoi Dayan out: 4491a88780a9SRoi Dayan return err; 4492a88780a9SRoi Dayan } 4493a88780a9SRoi Dayan 4494a88780a9SRoi Dayan static int 4495a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4496f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4497226f2ca3SVlad Buslov unsigned long flags, 4498d11afc26SOz Shlomo struct net_device *filter_dev, 4499a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4500a88780a9SRoi Dayan { 4501a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4502226f2ca3SVlad Buslov unsigned long flow_flags; 4503a88780a9SRoi Dayan int err; 4504a88780a9SRoi Dayan 4505a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4506a88780a9SRoi Dayan 4507bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4508bf07aa73SPaul Blakey return -EOPNOTSUPP; 4509bf07aa73SPaul Blakey 4510f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4511d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4512d11afc26SOz Shlomo filter_dev, flow); 4513a88780a9SRoi Dayan else 4514d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4515d11afc26SOz Shlomo filter_dev, flow); 4516a88780a9SRoi Dayan 4517a88780a9SRoi Dayan return err; 4518a88780a9SRoi Dayan } 4519a88780a9SRoi Dayan 4520553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4521553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4522553f9328SVu Pham { 4523553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 45242fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 45252fb15e72SVlad Buslov * function is called from NIC mode. 4526553f9328SVu Pham */ 45272fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4528553f9328SVu Pham } 4529553f9328SVu Pham 453071d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4531226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4532a88780a9SRoi Dayan { 4533a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4534d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4535553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4536a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4537a88780a9SRoi Dayan int err = 0; 4538a88780a9SRoi Dayan 45397dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4540794131c4SJianbo Liu return -EBUSY; 45417dc84de9SRoi Dayan 45427dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 45437dc84de9SRoi Dayan 4544c5d326b2SVlad Buslov rcu_read_lock(); 4545c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4546a88780a9SRoi Dayan if (flow) { 4547553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4548553f9328SVu Pham * just return 0. 4549553f9328SVu Pham */ 4550553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4551c1aea9e1SVlad Buslov goto rcu_unlock; 4552553f9328SVu Pham 4553a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4554a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4555a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4556a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4557a88780a9SRoi Dayan f->cookie); 45580e1c1a2fSVlad Buslov err = -EEXIST; 4559c1aea9e1SVlad Buslov goto rcu_unlock; 4560a88780a9SRoi Dayan } 4561c1aea9e1SVlad Buslov rcu_unlock: 4562c1aea9e1SVlad Buslov rcu_read_unlock(); 4563c1aea9e1SVlad Buslov if (flow) 4564c1aea9e1SVlad Buslov goto out; 4565a88780a9SRoi Dayan 45667a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4567d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4568a88780a9SRoi Dayan if (err) 4569a88780a9SRoi Dayan goto out; 4570a88780a9SRoi Dayan 4571553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4572553f9328SVu Pham * set the flow's owner dev. 4573553f9328SVu Pham */ 4574553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4575553f9328SVu Pham flow->orig_dev = dev; 4576553f9328SVu Pham 4577c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4578a88780a9SRoi Dayan if (err) 4579a88780a9SRoi Dayan goto err_free; 4580a88780a9SRoi Dayan 45817dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4582a88780a9SRoi Dayan return 0; 4583a88780a9SRoi Dayan 4584a88780a9SRoi Dayan err_free: 45855a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4586a88780a9SRoi Dayan out: 45877dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 45887dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4589e3a2b7edSAmir Vadai return err; 4590e3a2b7edSAmir Vadai } 4591e3a2b7edSAmir Vadai 45928f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 45938f8ae895SOr Gerlitz { 4594226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4595226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 45968f8ae895SOr Gerlitz 4597226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4598226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 45998f8ae895SOr Gerlitz } 46008f8ae895SOr Gerlitz 460171d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4602226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4603e3a2b7edSAmir Vadai { 4604d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4605e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4606c5d326b2SVlad Buslov int err; 4607e3a2b7edSAmir Vadai 4608c5d326b2SVlad Buslov rcu_read_lock(); 4609ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4610c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4611c5d326b2SVlad Buslov err = -EINVAL; 4612c5d326b2SVlad Buslov goto errout; 4613c5d326b2SVlad Buslov } 4614e3a2b7edSAmir Vadai 4615c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4616c5d326b2SVlad Buslov * set. 4617c5d326b2SVlad Buslov */ 4618c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4619c5d326b2SVlad Buslov err = -EINVAL; 4620c5d326b2SVlad Buslov goto errout; 4621c5d326b2SVlad Buslov } 462205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4623c5d326b2SVlad Buslov rcu_read_unlock(); 4624e3a2b7edSAmir Vadai 46257a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 46265a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4627e3a2b7edSAmir Vadai 46287dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4629e3a2b7edSAmir Vadai return 0; 4630c5d326b2SVlad Buslov 4631c5d326b2SVlad Buslov errout: 4632c5d326b2SVlad Buslov rcu_read_unlock(); 4633c5d326b2SVlad Buslov return err; 4634e3a2b7edSAmir Vadai } 4635e3a2b7edSAmir Vadai 463671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4637226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4638aad7e08dSAmir Vadai { 463904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4640d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 464104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4642aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4643aad7e08dSAmir Vadai struct mlx5_fc *counter; 4644316d5f72SRoi Dayan u64 lastuse = 0; 4645316d5f72SRoi Dayan u64 packets = 0; 4646316d5f72SRoi Dayan u64 bytes = 0; 46475a7e5bcbSVlad Buslov int err = 0; 4648aad7e08dSAmir Vadai 4649c5d326b2SVlad Buslov rcu_read_lock(); 4650c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 46515a7e5bcbSVlad Buslov tc_ht_params)); 4652c5d326b2SVlad Buslov rcu_read_unlock(); 46535a7e5bcbSVlad Buslov if (IS_ERR(flow)) 46545a7e5bcbSVlad Buslov return PTR_ERR(flow); 46555a7e5bcbSVlad Buslov 46565a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 46575a7e5bcbSVlad Buslov err = -EINVAL; 46585a7e5bcbSVlad Buslov goto errout; 46595a7e5bcbSVlad Buslov } 4660aad7e08dSAmir Vadai 46614c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4662b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4663aad7e08dSAmir Vadai if (!counter) 46645a7e5bcbSVlad Buslov goto errout; 4665aad7e08dSAmir Vadai 4666aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4667316d5f72SRoi Dayan } 4668aad7e08dSAmir Vadai 4669316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4670316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4671316d5f72SRoi Dayan */ 467204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 467304de7ddaSRoi Dayan if (!peer_esw) 467404de7ddaSRoi Dayan goto out; 467504de7ddaSRoi Dayan 4676226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4677226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 467804de7ddaSRoi Dayan u64 bytes2; 467904de7ddaSRoi Dayan u64 packets2; 468004de7ddaSRoi Dayan u64 lastuse2; 468104de7ddaSRoi Dayan 468204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4683316d5f72SRoi Dayan if (!counter) 4684316d5f72SRoi Dayan goto no_peer_counter; 468504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 468604de7ddaSRoi Dayan 468704de7ddaSRoi Dayan bytes += bytes2; 468804de7ddaSRoi Dayan packets += packets2; 468904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 469004de7ddaSRoi Dayan } 469104de7ddaSRoi Dayan 4692316d5f72SRoi Dayan no_peer_counter: 469304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 469404de7ddaSRoi Dayan out: 46954b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 469693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 46977a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 46985a7e5bcbSVlad Buslov errout: 46995a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 47005a7e5bcbSVlad Buslov return err; 4701aad7e08dSAmir Vadai } 4702aad7e08dSAmir Vadai 47031fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4704fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4705fcb64c0fSEli Cohen { 4706fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4707fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 47081fe3e316SParav Pandit u32 rate_mbps = 0; 4709fcb64c0fSEli Cohen u16 vport_num; 4710fcb64c0fSEli Cohen int err; 4711fcb64c0fSEli Cohen 4712e401a184SEli Cohen vport_num = rpriv->rep->vport; 4713e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4714e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4715e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4716e401a184SEli Cohen return -EOPNOTSUPP; 4717e401a184SEli Cohen } 4718e401a184SEli Cohen 4719fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4720fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4721fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4722fcb64c0fSEli Cohen * mbit means million bits. 4723fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4724fcb64c0fSEli Cohen * 1 mbit/sec. 4725fcb64c0fSEli Cohen */ 47261fe3e316SParav Pandit if (rate) { 47271fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 47288b90d897SParav Pandit do_div(rate, 1000000); 47298b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 47301fe3e316SParav Pandit } 47311fe3e316SParav Pandit 47322d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4733fcb64c0fSEli Cohen if (err) 4734fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4735fcb64c0fSEli Cohen 4736fcb64c0fSEli Cohen return err; 4737fcb64c0fSEli Cohen } 4738fcb64c0fSEli Cohen 4739a8d52b02SJianbo Liu int mlx5e_policer_validate(const struct flow_action *action, 4740d97b4b10SJianbo Liu const struct flow_action_entry *act, 4741d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 4742d97b4b10SJianbo Liu { 4743d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 4744d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4745d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 4746d97b4b10SJianbo Liu return -EOPNOTSUPP; 4747d97b4b10SJianbo Liu } 4748d97b4b10SJianbo Liu 4749d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 4750d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 4751d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4752d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 4753d97b4b10SJianbo Liu return -EOPNOTSUPP; 4754d97b4b10SJianbo Liu } 4755d97b4b10SJianbo Liu 4756d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 4757d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 4758d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4759d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 4760d97b4b10SJianbo Liu return -EOPNOTSUPP; 4761d97b4b10SJianbo Liu } 4762d97b4b10SJianbo Liu 4763d97b4b10SJianbo Liu return 0; 4764d97b4b10SJianbo Liu } 4765d97b4b10SJianbo Liu 4766fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4767fcb64c0fSEli Cohen struct flow_action *flow_action, 4768fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4769fcb64c0fSEli Cohen { 4770fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4771fcb64c0fSEli Cohen const struct flow_action_entry *act; 4772fcb64c0fSEli Cohen int err; 4773fcb64c0fSEli Cohen int i; 4774fcb64c0fSEli Cohen 4775fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4776fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4777fcb64c0fSEli Cohen return -EINVAL; 4778fcb64c0fSEli Cohen } 4779fcb64c0fSEli Cohen 4780fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4781fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4782fcb64c0fSEli Cohen return -EOPNOTSUPP; 4783fcb64c0fSEli Cohen } 4784fcb64c0fSEli Cohen 47850885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 47860885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4787319a1d19SJiri Pirko return -EOPNOTSUPP; 47880885ae1aSAbhiram R N } 4789319a1d19SJiri Pirko 4790fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4791fcb64c0fSEli Cohen switch (act->id) { 4792fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 47934d1e07d8SVlad Buslov if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 47944d1e07d8SVlad Buslov NL_SET_ERR_MSG_MOD(extack, 47954d1e07d8SVlad Buslov "Offload not supported when conform action is not continue"); 47964d1e07d8SVlad Buslov return -EOPNOTSUPP; 47974d1e07d8SVlad Buslov } 47984d1e07d8SVlad Buslov 4799d97b4b10SJianbo Liu err = mlx5e_policer_validate(flow_action, act, extack); 4800d97b4b10SJianbo Liu if (err) 4801d97b4b10SJianbo Liu return err; 4802d97b4b10SJianbo Liu 4803fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4804fcb64c0fSEli Cohen if (err) 4805fcb64c0fSEli Cohen return err; 4806fcb64c0fSEli Cohen 4807fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4808fcb64c0fSEli Cohen break; 4809fcb64c0fSEli Cohen default: 4810fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4811fcb64c0fSEli Cohen return -EOPNOTSUPP; 4812fcb64c0fSEli Cohen } 4813fcb64c0fSEli Cohen } 4814fcb64c0fSEli Cohen 4815fcb64c0fSEli Cohen return 0; 4816fcb64c0fSEli Cohen } 4817fcb64c0fSEli Cohen 4818fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4819fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4820fcb64c0fSEli Cohen { 4821fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4822fcb64c0fSEli Cohen 48237b83355fSEli Cohen if (ma->common.prio != 1) { 4824fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4825fcb64c0fSEli Cohen return -EINVAL; 4826fcb64c0fSEli Cohen } 4827fcb64c0fSEli Cohen 4828fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4829fcb64c0fSEli Cohen } 4830fcb64c0fSEli Cohen 4831fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4832fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4833fcb64c0fSEli Cohen { 4834fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4835fcb64c0fSEli Cohen 4836fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4837fcb64c0fSEli Cohen } 4838fcb64c0fSEli Cohen 4839fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4840fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4841fcb64c0fSEli Cohen { 4842fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4843fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4844fcb64c0fSEli Cohen u64 dbytes; 4845fcb64c0fSEli Cohen u64 dpkts; 4846fcb64c0fSEli Cohen 4847fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4848fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4849fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4850fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 48514b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 485293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4853fcb64c0fSEli Cohen } 4854fcb64c0fSEli Cohen 48554d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 48564d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 48574d8fcf21SAlaa Hleihel { 4858f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 48594d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4860db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4861db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 48624d8fcf21SAlaa Hleihel u16 peer_vhca_id; 48634d8fcf21SAlaa Hleihel int bkt; 48644d8fcf21SAlaa Hleihel 4865ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 48664d8fcf21SAlaa Hleihel return; 48674d8fcf21SAlaa Hleihel 48684d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 48694d8fcf21SAlaa Hleihel 4870f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 4871f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 4872db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4873db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4874f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 4875db76ca24SVlad Buslov 4876db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4877db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4878db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4879a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4880db76ca24SVlad Buslov 4881db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4882db76ca24SVlad Buslov } 48834d8fcf21SAlaa Hleihel } 48844d8fcf21SAlaa Hleihel 48854d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 48864d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 48874d8fcf21SAlaa Hleihel { 48884d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 48894d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 48904d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 48914d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 48924d8fcf21SAlaa Hleihel 48934d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 48944d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 48954d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 48964d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48974d8fcf21SAlaa Hleihel 48984d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 489965f586c2SLama Kayal priv = tc->priv; 49004d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 49014d8fcf21SAlaa Hleihel if (priv == peer_priv || 49024d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 49034d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49044d8fcf21SAlaa Hleihel 49054d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 49064d8fcf21SAlaa Hleihel 49074d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49084d8fcf21SAlaa Hleihel } 49094d8fcf21SAlaa Hleihel 49106a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 49116a064674SAriel Levkovich { 49126a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 49136a064674SAriel Levkovich u32 max_flow_counter; 49146a064674SAriel Levkovich 49156a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 49166a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 49176a064674SAriel Levkovich 49186a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 49196a064674SAriel Levkovich 49206a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 49216a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 49226a064674SAriel Levkovich 49236a064674SAriel Levkovich return tc_tbl_size; 49246a064674SAriel Levkovich } 49256a064674SAriel Levkovich 492666cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 492766cb64e2SMaor Dickman { 4928f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4929f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 493066cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 493166cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 493266cb64e2SMaor Dickman int err = 0; 493366cb64e2SMaor Dickman 493466cb64e2SMaor Dickman ft_attr.max_fte = 1; 493566cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 493666cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 493766cb64e2SMaor Dickman ft_attr.prio = 0; 493866cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 493966cb64e2SMaor Dickman 494066cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 494166cb64e2SMaor Dickman if (IS_ERR(*ft)) { 494266cb64e2SMaor Dickman err = PTR_ERR(*ft); 494366cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 494466cb64e2SMaor Dickman } 494566cb64e2SMaor Dickman 494666cb64e2SMaor Dickman return err; 494766cb64e2SMaor Dickman } 494866cb64e2SMaor Dickman 494966cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 495066cb64e2SMaor Dickman { 4951f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4952f52f2faeSLama Kayal 4953f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 495466cb64e2SMaor Dickman } 495566cb64e2SMaor Dickman 4956655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4957e8f887acSAmir Vadai { 4958f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 49596a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4960c9355682SChris Mi struct mapping_ctx *chains_mapping; 49616a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 49622198b932SRoi Dayan u64 mapping_id; 49634d8fcf21SAlaa Hleihel int err; 4964e8f887acSAmir Vadai 4965b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4966b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4967b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 49685c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 496965f586c2SLama Kayal tc->priv = priv; 497011c9c548SOr Gerlitz 49714d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 49724d8fcf21SAlaa Hleihel if (err) 49734d8fcf21SAlaa Hleihel return err; 49744d8fcf21SAlaa Hleihel 49759ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 49769ba33339SRoi Dayan 49772198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 49782198b932SRoi Dayan 49792198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 49802198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4981c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 49822198b932SRoi Dayan 4983c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4984c9355682SChris Mi err = PTR_ERR(chains_mapping); 4985c9355682SChris Mi goto err_mapping; 4986c9355682SChris Mi } 4987c9355682SChris Mi tc->mapping = chains_mapping; 4988c9355682SChris Mi 498966cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 499066cb64e2SMaor Dickman if (err) 499166cb64e2SMaor Dickman goto err_chains; 499266cb64e2SMaor Dickman 4993c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4994c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4995c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 49966a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 49976a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 49986a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 4999f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5000c9355682SChris Mi attr.mapping = chains_mapping; 50016a064674SAriel Levkovich 50026a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 50036a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 50046a064674SAriel Levkovich err = PTR_ERR(tc->chains); 500566cb64e2SMaor Dickman goto err_miss; 50066a064674SAriel Levkovich } 50076a064674SAriel Levkovich 5008f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 500965f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5010f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5011aedd133dSAriel Levkovich 50124d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5013d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5014d48834f9SJiri Pirko &tc->netdevice_nb, 5015d48834f9SJiri Pirko &tc->netdevice_nn); 5016d48834f9SJiri Pirko if (err) { 50174d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 50184d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 50196a064674SAriel Levkovich goto err_reg; 50204d8fcf21SAlaa Hleihel } 50214d8fcf21SAlaa Hleihel 50226a064674SAriel Levkovich return 0; 50236a064674SAriel Levkovich 50246a064674SAriel Levkovich err_reg: 5025aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5026f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 50276a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 502866cb64e2SMaor Dickman err_miss: 502966cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 50306a064674SAriel Levkovich err_chains: 5031c9355682SChris Mi mapping_destroy(chains_mapping); 5032c9355682SChris Mi err_mapping: 50336a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 50344d8fcf21SAlaa Hleihel return err; 5035e8f887acSAmir Vadai } 5036e8f887acSAmir Vadai 5037e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5038e8f887acSAmir Vadai { 5039e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5040655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5041e8f887acSAmir Vadai 5042961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5043e8f887acSAmir Vadai kfree(flow); 5044e8f887acSAmir Vadai } 5045e8f887acSAmir Vadai 5046655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5047e8f887acSAmir Vadai { 5048f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5049e8f887acSAmir Vadai 50504d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5051d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5052d48834f9SJiri Pirko &tc->netdevice_nb, 5053d48834f9SJiri Pirko &tc->netdevice_nn); 50544d8fcf21SAlaa Hleihel 5055b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5056b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5057b32accdaSVlad Buslov 50586a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5059e8f887acSAmir Vadai 5060acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 50616a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5062acff797cSMaor Gottlieb tc->t = NULL; 5063e8f887acSAmir Vadai } 5064b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 50656a064674SAriel Levkovich 5066aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5067f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5068c9355682SChris Mi mapping_destroy(tc->mapping); 50696a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 507066cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5071e8f887acSAmir Vadai } 5072655dc3d2SOr Gerlitz 5073d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5074d1a3138fSPaul Blakey { 5075d1a3138fSPaul Blakey int err; 5076d1a3138fSPaul Blakey 5077d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5078d1a3138fSPaul Blakey if (err) 5079d1a3138fSPaul Blakey return err; 5080d1a3138fSPaul Blakey 5081d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 5082d1a3138fSPaul Blakey 5083d1a3138fSPaul Blakey return 0; 5084d1a3138fSPaul Blakey } 5085d1a3138fSPaul Blakey 5086d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5087d1a3138fSPaul Blakey { 5088d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5089d1a3138fSPaul Blakey } 5090d1a3138fSPaul Blakey 5091d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5092655dc3d2SOr Gerlitz { 5093d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5094aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 50950a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5096aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5097aedd133dSAriel Levkovich struct mlx5e_priv *priv; 50982198b932SRoi Dayan u64 mapping_id; 5099aedd133dSAriel Levkovich int err = 0; 51000a7fcb78SPaul Blakey 5101aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5102aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5103aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 51040a7fcb78SPaul Blakey 5105f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5106f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5107aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5108aedd133dSAriel Levkovich esw_chains(esw), 5109aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5110f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5111f0da4daaSChris Mi uplink_priv->post_act); 51124c3844d9SPaul Blakey 51134f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 51144f4edcc2SAriel Levkovich 51152741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 51162a9ab10aSChris Mi 51172198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 51182198b932SRoi Dayan 51192198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 51202198b932SRoi Dayan sizeof(struct tunnel_match_key), 51210a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 51222198b932SRoi Dayan 51230a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 51240a7fcb78SPaul Blakey err = PTR_ERR(mapping); 51250a7fcb78SPaul Blakey goto err_tun_mapping; 51260a7fcb78SPaul Blakey } 51270a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 51280a7fcb78SPaul Blakey 51293222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 51303222efd4SVlad Buslov * and bridge ingress push mark. 51313222efd4SVlad Buslov */ 51322198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 51333222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 51340a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 51350a7fcb78SPaul Blakey err = PTR_ERR(mapping); 51360a7fcb78SPaul Blakey goto err_enc_opts_mapping; 51370a7fcb78SPaul Blakey } 51380a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 51390a7fcb78SPaul Blakey 51408914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 51412b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 51422b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 51438914add2SVlad Buslov goto err_register_fib_notifier; 51442b6c3c1eSWei Yongjun } 51458914add2SVlad Buslov 51462b6c3c1eSWei Yongjun return 0; 51470a7fcb78SPaul Blakey 51488914add2SVlad Buslov err_register_fib_notifier: 51490a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 51500a7fcb78SPaul Blakey err_enc_opts_mapping: 51510a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 51520a7fcb78SPaul Blakey err_tun_mapping: 51530027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 51544f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5155aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 51560a7fcb78SPaul Blakey netdev_warn(priv->netdev, 51570a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5158f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 51590a7fcb78SPaul Blakey return err; 5160655dc3d2SOr Gerlitz } 5161655dc3d2SOr Gerlitz 5162d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5163655dc3d2SOr Gerlitz { 51648914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 51658914add2SVlad Buslov 51660a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 51670a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 51684c3844d9SPaul Blakey 51690027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 51704f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5171aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 517274e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5173f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5174655dc3d2SOr Gerlitz } 517501252a27SOr Gerlitz 5176226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 517701252a27SOr Gerlitz { 5178d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 517901252a27SOr Gerlitz 518001252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 518101252a27SOr Gerlitz } 518204de7ddaSRoi Dayan 518304de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 518404de7ddaSRoi Dayan { 518504de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 518604de7ddaSRoi Dayan 518704de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 518804de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 518904de7ddaSRoi Dayan } 5190b4a23329SRoi Dayan 5191b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5192b4a23329SRoi Dayan { 5193b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5194b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5195b4a23329SRoi Dayan reoffload_flows_work); 5196b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5197b4a23329SRoi Dayan 5198ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5199b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5200b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5201ad86755bSVlad Buslov unready_flow_del(flow); 5202b4a23329SRoi Dayan } 5203ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5204b4a23329SRoi Dayan } 5205e2394a61SVlad Buslov 5206e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5207e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5208e2394a61SVlad Buslov unsigned long flags) 5209e2394a61SVlad Buslov { 5210e2394a61SVlad Buslov switch (cls_flower->command) { 5211e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5212e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5213e2394a61SVlad Buslov flags); 5214e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5215e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5216e2394a61SVlad Buslov flags); 5217e2394a61SVlad Buslov case FLOW_CLS_STATS: 5218e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5219e2394a61SVlad Buslov flags); 5220e2394a61SVlad Buslov default: 5221e2394a61SVlad Buslov return -EOPNOTSUPP; 5222e2394a61SVlad Buslov } 5223e2394a61SVlad Buslov } 5224e2394a61SVlad Buslov 5225e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5226e2394a61SVlad Buslov void *cb_priv) 5227e2394a61SVlad Buslov { 5228ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5229e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5230e2394a61SVlad Buslov 52312ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 52322ff349c5SRoi Dayan return -EOPNOTSUPP; 52332ff349c5SRoi Dayan 5234ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5235ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5236ec9457a6SRoi Dayan else 5237ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5238ec9457a6SRoi Dayan 5239e2394a61SVlad Buslov switch (type) { 5240e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5241e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5242e2394a61SVlad Buslov default: 5243e2394a61SVlad Buslov return -EOPNOTSUPP; 5244e2394a61SVlad Buslov } 5245e2394a61SVlad Buslov } 5246c7569097SAriel Levkovich 5247c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5248c7569097SAriel Levkovich struct sk_buff *skb) 5249c7569097SAriel Levkovich { 5250c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5251aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5252c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5253a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5254c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5255f52f2faeSLama Kayal struct mlx5e_tc_table *tc; 5256c7569097SAriel Levkovich int err; 5257c7569097SAriel Levkovich 5258c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5259f52f2faeSLama Kayal tc = mlx5e_fs_get_tc(priv->fs); 5260c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5261c7569097SAriel Levkovich 5262c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5263c7569097SAriel Levkovich if (err) { 5264c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5265c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5266c7569097SAriel Levkovich chain_tag, err); 5267c7569097SAriel Levkovich return false; 5268c7569097SAriel Levkovich } 5269c7569097SAriel Levkovich 5270a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5271a91d98a0SChris Mi chain = mapped_obj.chain; 52729453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5273c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5274c7569097SAriel Levkovich return false; 5275c7569097SAriel Levkovich 5276c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5277aedd133dSAriel Levkovich 527817c5da03SJianbo Liu zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 527948d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5280aedd133dSAriel Levkovich 5281aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5282aedd133dSAriel Levkovich zone_restore_id)) 5283aedd133dSAriel Levkovich return false; 5284a91d98a0SChris Mi } else { 5285a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5286a91d98a0SChris Mi return false; 5287c7569097SAriel Levkovich } 5288c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5289c7569097SAriel Levkovich 5290c7569097SAriel Levkovich return true; 5291c7569097SAriel Levkovich } 5292