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 135c84fa1abSOz Shlomo struct mlx5e_tc_jump_state { 136c84fa1abSOz Shlomo u32 jump_count; 137c84fa1abSOz Shlomo bool jump_target; 138c84fa1abSOz Shlomo struct mlx5_flow_attr *jumping_attr; 139c84fa1abSOz Shlomo 140c84fa1abSOz Shlomo enum flow_action_id last_id; 141c84fa1abSOz Shlomo u32 last_index; 142c84fa1abSOz Shlomo }; 143c84fa1abSOz Shlomo 14423bde065SLama Kayal struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) 14523bde065SLama Kayal { 14623bde065SLama Kayal struct mlx5e_tc_table *tc; 14723bde065SLama Kayal 14823bde065SLama Kayal tc = kvzalloc(sizeof(*tc), GFP_KERNEL); 14923bde065SLama Kayal return tc ? tc : ERR_PTR(-ENOMEM); 15023bde065SLama Kayal } 15123bde065SLama Kayal 15223bde065SLama Kayal void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) 15323bde065SLama Kayal { 15423bde065SLama Kayal kvfree(tc); 15523bde065SLama Kayal } 15623bde065SLama Kayal 15723bde065SLama Kayal struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc) 15823bde065SLama Kayal { 15923bde065SLama Kayal return tc->chains; 16023bde065SLama Kayal } 16123bde065SLama Kayal 1629ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1639ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1649ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1659ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1669ba33339SRoi Dayan * it's different than the ht->mutex here. 1679ba33339SRoi Dayan */ 1689ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1699ba33339SRoi Dayan 1700a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1718300f225SRoi Dayan static void free_flow_post_acts(struct mlx5e_tc_flow *flow); 172f86488cbSOz Shlomo static void mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr); 1730a7fcb78SPaul Blakey 1740a7fcb78SPaul Blakey void 1750a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1760a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 177ed2fe7baSPaul Blakey u32 val, 1780a7fcb78SPaul Blakey u32 mask) 1790a7fcb78SPaul Blakey { 180ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1810a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 182ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1830a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 184ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 185ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 186ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1870a7fcb78SPaul Blakey 1880a7fcb78SPaul Blakey fmask = headers_c + soffset; 1890a7fcb78SPaul Blakey fval = headers_v + soffset; 1900a7fcb78SPaul Blakey 191ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 192ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1930a7fcb78SPaul Blakey 194ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 195ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 196ed2fe7baSPaul Blakey 197ed2fe7baSPaul Blakey //move to correct offset 198ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 199ed2fe7baSPaul Blakey mask <<= moffset; 200ed2fe7baSPaul Blakey val <<= moffset; 201ed2fe7baSPaul Blakey max_mask <<= moffset; 202ed2fe7baSPaul Blakey 203ed2fe7baSPaul Blakey //zero val and mask 204ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 205ed2fe7baSPaul Blakey curr_val &= ~max_mask; 206ed2fe7baSPaul Blakey 207ed2fe7baSPaul Blakey //add current to mask 208ed2fe7baSPaul Blakey curr_mask |= mask; 209ed2fe7baSPaul Blakey curr_val |= val; 210ed2fe7baSPaul Blakey 211ed2fe7baSPaul Blakey //back to be32 and write 212ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 213ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 214ed2fe7baSPaul Blakey 215ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 216ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 2170a7fcb78SPaul Blakey 2180a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2190a7fcb78SPaul Blakey } 2200a7fcb78SPaul Blakey 2217e36feebSPaul Blakey void 2227e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2237e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 224ed2fe7baSPaul Blakey u32 *val, 2257e36feebSPaul Blakey u32 *mask) 2267e36feebSPaul Blakey { 227ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 2287e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 229ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2307e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 231ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 232ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 233ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2347e36feebSPaul Blakey 2357e36feebSPaul Blakey fmask = headers_c + soffset; 2367e36feebSPaul Blakey fval = headers_v + soffset; 2377e36feebSPaul Blakey 238ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 239ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2407e36feebSPaul Blakey 241ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 242ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 243ed2fe7baSPaul Blakey 244ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 245ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 2467e36feebSPaul Blakey } 2477e36feebSPaul Blakey 2480a7fcb78SPaul Blakey int 249c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2500a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 251aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2520a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2530a7fcb78SPaul Blakey u32 data) 2540a7fcb78SPaul Blakey { 2550a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2560a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2570a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2580a7fcb78SPaul Blakey char *modact; 2590a7fcb78SPaul Blakey int err; 2600a7fcb78SPaul Blakey 2612c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2622c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2632c0e5cf5SPaul Blakey return PTR_ERR(modact); 2640a7fcb78SPaul Blakey 2650a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 266ed2fe7baSPaul Blakey if (mlen == 32) 2670a7fcb78SPaul Blakey mlen = 0; 2680a7fcb78SPaul Blakey 2690a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2700a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 271ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 272ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2730a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 274c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2750a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2760a7fcb78SPaul Blakey 277c7b9038dSVlad Buslov return err; 2780a7fcb78SPaul Blakey } 2790a7fcb78SPaul Blakey 28027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 28127484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 28227484f71SAriel Levkovich { 28327484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 28427484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 28527484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 28627484f71SAriel Levkovich 28727484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 28827484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 28927484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 29027484f71SAriel Levkovich 29127484f71SAriel Levkovich return uplink_priv->int_port_priv; 29227484f71SAriel Levkovich } 29327484f71SAriel Levkovich 29427484f71SAriel Levkovich return NULL; 29527484f71SAriel Levkovich } 29627484f71SAriel Levkovich 29774e6b2a8SJianbo Liu struct mlx5e_flow_meters * 29874e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 29974e6b2a8SJianbo Liu { 30074e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 30174e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 30274e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 30374e6b2a8SJianbo Liu struct mlx5e_priv *priv; 30474e6b2a8SJianbo Liu 30574e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 30674e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 30774e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 30874e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 30974e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 31074e6b2a8SJianbo Liu uplink_priv->flow_meters = 31174e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 31274e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 31374e6b2a8SJianbo Liu uplink_priv->post_act); 31474e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 31574e6b2a8SJianbo Liu return uplink_priv->flow_meters; 31674e6b2a8SJianbo Liu } 31774e6b2a8SJianbo Liu 31874e6b2a8SJianbo Liu return NULL; 31974e6b2a8SJianbo Liu } 32074e6b2a8SJianbo Liu 321aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 322aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 323aedd133dSAriel Levkovich { 324f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 325aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 326aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 327aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 328aedd133dSAriel Levkovich 329e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 330aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 331aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 332aedd133dSAriel Levkovich 333aedd133dSAriel Levkovich return uplink_priv->ct_priv; 334aedd133dSAriel Levkovich } 335aedd133dSAriel Levkovich 336f52f2faeSLama Kayal return tc->ct; 337aedd133dSAriel Levkovich } 338aedd133dSAriel Levkovich 3390027d70cSChris Mi static struct mlx5e_tc_psample * 340f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 341f94d6389SChris Mi { 342f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 343f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 344f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 345f94d6389SChris Mi 346f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 347f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 348f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 349f94d6389SChris Mi 3500027d70cSChris Mi return uplink_priv->tc_psample; 351f94d6389SChris Mi } 352f94d6389SChris Mi 353f94d6389SChris Mi return NULL; 354f94d6389SChris Mi } 355f94d6389SChris Mi 3568300f225SRoi Dayan static struct mlx5e_post_act * 3578300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3588300f225SRoi Dayan { 359f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3608300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3618300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3628300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3638300f225SRoi Dayan 3648300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3658300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3668300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3678300f225SRoi Dayan 3688300f225SRoi Dayan return uplink_priv->post_act; 3698300f225SRoi Dayan } 3708300f225SRoi Dayan 371f52f2faeSLama Kayal return tc->post_act; 3728300f225SRoi Dayan } 3738300f225SRoi Dayan 374aedd133dSAriel Levkovich struct mlx5_flow_handle * 375aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 376aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 377aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 378aedd133dSAriel Levkovich { 379aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 380aedd133dSAriel Levkovich 381e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 382aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 383aedd133dSAriel Levkovich 384aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 385aedd133dSAriel Levkovich } 386aedd133dSAriel Levkovich 387aedd133dSAriel Levkovich void 388aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 389aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 390aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 391aedd133dSAriel Levkovich { 392aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 393aedd133dSAriel Levkovich 394e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 395aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 396aedd133dSAriel Levkovich return; 397aedd133dSAriel Levkovich } 398aedd133dSAriel Levkovich 399aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 400aedd133dSAriel Levkovich } 401aedd133dSAriel Levkovich 402a8d52b02SJianbo Liu static bool 403a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 404a8d52b02SJianbo Liu { 4056fda078dSOz Shlomo return (((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 4066fda078dSOz Shlomo (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)) || 4076fda078dSOz Shlomo attr->flags & MLX5_ATTR_FLAG_MTU); 408a8d52b02SJianbo Liu } 409a8d52b02SJianbo Liu 410a8d52b02SJianbo Liu static int 411a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 412a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 413a8d52b02SJianbo Liu { 414e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 415e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 416e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 417a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 4186fda078dSOz Shlomo enum mlx5e_post_meter_type type; 419a8d52b02SJianbo Liu 420f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 421a8d52b02SJianbo Liu if (IS_ERR(meter)) { 422a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 423a8d52b02SJianbo Liu return PTR_ERR(meter); 424a8d52b02SJianbo Liu } 425a8d52b02SJianbo Liu 426e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 4276fda078dSOz Shlomo type = meter->params.mtu ? MLX5E_POST_METER_MTU : MLX5E_POST_METER_RATE; 4280d8c38d4SOz Shlomo post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, 4296fda078dSOz Shlomo type, 4300d8c38d4SOz Shlomo meter->act_counter, meter->drop_counter, 4310d8c38d4SOz Shlomo attr->branch_true, attr->branch_false); 432e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 433e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 434e5b1db27SRoi Dayan goto err_meter_init; 435e5b1db27SRoi Dayan } 436e5b1db27SRoi Dayan 437a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 438e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 439e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 440a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 441a8d52b02SJianbo Liu 442a8d52b02SJianbo Liu return 0; 443e5b1db27SRoi Dayan 444e5b1db27SRoi Dayan err_meter_init: 445e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 446e5b1db27SRoi Dayan return PTR_ERR(post_meter); 447e5b1db27SRoi Dayan } 448e5b1db27SRoi Dayan 449e5b1db27SRoi Dayan static void 4500d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) 451e5b1db27SRoi Dayan { 4520d8c38d4SOz Shlomo mlx5e_post_meter_cleanup(esw, attr->meter_attr.post_meter); 453e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 454a8d52b02SJianbo Liu } 455a8d52b02SJianbo Liu 45684ba8062SRoi Dayan struct mlx5_flow_handle * 45784ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 45884ba8062SRoi Dayan struct mlx5_flow_spec *spec, 45984ba8062SRoi Dayan struct mlx5_flow_attr *attr) 46084ba8062SRoi Dayan { 46184ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 462a8d52b02SJianbo Liu int err; 46384ba8062SRoi Dayan 46484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 46584ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 46684ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 46784ba8062SRoi Dayan 468a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 46984ba8062SRoi Dayan spec, attr, 47084ba8062SRoi Dayan mod_hdr_acts); 47184ba8062SRoi Dayan } 47284ba8062SRoi Dayan 47384ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 47484ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 47584ba8062SRoi Dayan 47684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 47773a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 47884ba8062SRoi Dayan 479a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 480a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 481a8d52b02SJianbo Liu if (err) 482a8d52b02SJianbo Liu return ERR_PTR(err); 483a8d52b02SJianbo Liu } 484a8d52b02SJianbo Liu 48584ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 48684ba8062SRoi Dayan } 48784ba8062SRoi Dayan 48884ba8062SRoi Dayan void 48984ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 490a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 49184ba8062SRoi Dayan struct mlx5_flow_attr *attr) 49284ba8062SRoi Dayan { 49384ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 49484ba8062SRoi Dayan 49584ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 496a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 49784ba8062SRoi Dayan return; 49884ba8062SRoi Dayan } 49984ba8062SRoi Dayan 50084ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 50184ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 50284ba8062SRoi Dayan return; 50384ba8062SRoi Dayan } 50484ba8062SRoi Dayan 50584ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 50684ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 50784ba8062SRoi Dayan return; 50884ba8062SRoi Dayan } 50984ba8062SRoi Dayan 51084ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 511a8d52b02SJianbo Liu 512a8d52b02SJianbo Liu if (attr->meter_attr.meter) 5130d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(esw, attr); 51484ba8062SRoi Dayan } 51584ba8062SRoi Dayan 516c7b9038dSVlad Buslov int 517c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 518c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 519c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 520c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 521c7b9038dSVlad Buslov u32 data) 522c7b9038dSVlad Buslov { 523c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 524c7b9038dSVlad Buslov 525c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 526c7b9038dSVlad Buslov } 527c7b9038dSVlad Buslov 528c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 529c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 530c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 531c7b9038dSVlad Buslov int act_id, u32 data) 532c7b9038dSVlad Buslov { 533c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 534c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 535c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 536c7b9038dSVlad Buslov char *modact; 537c7b9038dSVlad Buslov 5382c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 539c7b9038dSVlad Buslov 540c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 541ed2fe7baSPaul Blakey if (mlen == 32) 542c7b9038dSVlad Buslov mlen = 0; 543c7b9038dSVlad Buslov 544c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 545c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 546ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 547ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 548c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 549c7b9038dSVlad Buslov } 550c7b9038dSVlad Buslov 55177ab67b7SOr Gerlitz struct mlx5e_hairpin { 55277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 55377ab67b7SOr Gerlitz 55477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5553f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 55677ab67b7SOr Gerlitz u32 tdn; 557a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5583f6d08d1SOr Gerlitz 5593f6d08d1SOr Gerlitz int num_channels; 5603f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 561a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 562f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 56377ab67b7SOr Gerlitz }; 56477ab67b7SOr Gerlitz 5655c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5665c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5675c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 5685c65c564SOr Gerlitz 56973edca73SVlad Buslov /* protects flows list */ 57073edca73SVlad Buslov spinlock_t flows_lock; 5715c65c564SOr Gerlitz /* flows sharing the same hairpin */ 5725c65c564SOr Gerlitz struct list_head flows; 573db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 574db76ca24SVlad Buslov * function traversed them. 575db76ca24SVlad Buslov */ 576db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 5775c65c564SOr Gerlitz 578d8822868SOr Gerlitz u16 peer_vhca_id; 579106be53bSOr Gerlitz u8 prio; 5805c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 581e4f9abbdSVlad Buslov refcount_t refcnt; 582db76ca24SVlad Buslov struct completion res_ready; 5835c65c564SOr Gerlitz }; 5845c65c564SOr Gerlitz 5855a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 5865a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 5875a7e5bcbSVlad Buslov 5880d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 5895a7e5bcbSVlad Buslov { 5905a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 5915a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 5925a7e5bcbSVlad Buslov return flow; 5935a7e5bcbSVlad Buslov } 5945a7e5bcbSVlad Buslov 5950d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 5965a7e5bcbSVlad Buslov { 5975a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 5985a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 599c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 6005a7e5bcbSVlad Buslov } 6015a7e5bcbSVlad Buslov } 6025a7e5bcbSVlad Buslov 603aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 604226f2ca3SVlad Buslov { 605226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 606226f2ca3SVlad Buslov } 607226f2ca3SVlad Buslov 60867d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 60984179981SPaul Blakey { 61084179981SPaul Blakey return flow_flag_test(flow, FT); 61184179981SPaul Blakey } 61284179981SPaul Blakey 6130d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 614226f2ca3SVlad Buslov { 615226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 616226f2ca3SVlad Buslov } 617226f2ca3SVlad Buslov 618e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 619d2faae25SVlad Buslov { 620d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 621d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 622d2faae25SVlad Buslov } 623b2fdf3d0SPaul Blakey 6248facc02fSOz Shlomo static struct mlx5_core_dev * 6258facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 6268facc02fSOz Shlomo { 6278facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 6288facc02fSOz Shlomo } 6298facc02fSOz Shlomo 630b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 631b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 632b2fdf3d0SPaul Blakey { 633f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 634b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 635b2fdf3d0SPaul Blakey 636e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 637b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 638f52f2faeSLama Kayal &tc->mod_hdr; 639b2fdf3d0SPaul Blakey } 640b2fdf3d0SPaul Blakey 64111c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 64211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 64311c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 64411c9c548SOr Gerlitz { 645b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 646b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 64711c9c548SOr Gerlitz 648b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 649e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 650b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 651b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 652b2fdf3d0SPaul Blakey return PTR_ERR(mh); 65311c9c548SOr Gerlitz 654b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 655c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 656b2fdf3d0SPaul Blakey flow->mh = mh; 65711c9c548SOr Gerlitz 65811c9c548SOr Gerlitz return 0; 65911c9c548SOr Gerlitz } 66011c9c548SOr Gerlitz 66111c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 66211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 66311c9c548SOr Gerlitz { 6645a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 665dd58edc3SVlad Buslov if (!flow->mh) 6665a7e5bcbSVlad Buslov return; 6675a7e5bcbSVlad Buslov 668b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 669b2fdf3d0SPaul Blakey flow->mh); 670dd58edc3SVlad Buslov flow->mh = NULL; 67111c9c548SOr Gerlitz } 67211c9c548SOr Gerlitz 67377ab67b7SOr Gerlitz static 67477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 67577ab67b7SOr Gerlitz { 676b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 67777ab67b7SOr Gerlitz struct net_device *netdev; 67877ab67b7SOr Gerlitz struct mlx5e_priv *priv; 67977ab67b7SOr Gerlitz 680b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 681b1c2f631SDima Chumak if (!netdev) 682b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 683b1c2f631SDima Chumak 68477ab67b7SOr Gerlitz priv = netdev_priv(netdev); 685b1c2f631SDima Chumak mdev = priv->mdev; 686b1c2f631SDima Chumak dev_put(netdev); 687b1c2f631SDima Chumak 688b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 689b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 690b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 691b1c2f631SDima Chumak * 692b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 693b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 694b1c2f631SDima Chumak * removed. 695b1c2f631SDima Chumak * 696b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 697b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 698b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 699b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 700b1c2f631SDima Chumak */ 701b1c2f631SDima Chumak return mdev; 70277ab67b7SOr Gerlitz } 70377ab67b7SOr Gerlitz 70477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 70577ab67b7SOr Gerlitz { 706a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 70777ab67b7SOr Gerlitz int err; 70877ab67b7SOr Gerlitz 709a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 710a6696735SMaxim Mikityanskiy if (!builder) 711a6696735SMaxim Mikityanskiy return -ENOMEM; 712a6696735SMaxim Mikityanskiy 71377ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 71477ab67b7SOr Gerlitz if (err) 715a6696735SMaxim Mikityanskiy goto out; 71677ab67b7SOr Gerlitz 717a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 718a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 71977ab67b7SOr Gerlitz if (err) 72077ab67b7SOr Gerlitz goto create_tir_err; 72177ab67b7SOr Gerlitz 722a6696735SMaxim Mikityanskiy out: 723a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 724a6696735SMaxim Mikityanskiy return err; 72577ab67b7SOr Gerlitz 72677ab67b7SOr Gerlitz create_tir_err: 72777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 728a6696735SMaxim Mikityanskiy 729a6696735SMaxim Mikityanskiy goto out; 73077ab67b7SOr Gerlitz } 73177ab67b7SOr Gerlitz 73277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 73377ab67b7SOr Gerlitz { 734a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 73577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 73677ab67b7SOr Gerlitz } 73777ab67b7SOr Gerlitz 7383f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7393f6d08d1SOr Gerlitz { 7403f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7413f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 74206e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 74306e9f13aSMaxim Mikityanskiy int err; 7443f6d08d1SOr Gerlitz 74506e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 74606e9f13aSMaxim Mikityanskiy if (!indir) 7473f6d08d1SOr Gerlitz return -ENOMEM; 7483f6d08d1SOr Gerlitz 74943befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 75006e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 75143ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 75243ec0f41SMaxim Mikityanskiy indir); 7533f6d08d1SOr Gerlitz 75406e9f13aSMaxim Mikityanskiy kvfree(indir); 7553f6d08d1SOr Gerlitz return err; 7563f6d08d1SOr Gerlitz } 7573f6d08d1SOr Gerlitz 7583f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7593f6d08d1SOr Gerlitz { 7603f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 76143ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 762d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 763a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 764a6696735SMaxim Mikityanskiy int err = 0; 765a6696735SMaxim Mikityanskiy 766a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 767a6696735SMaxim Mikityanskiy if (!builder) 768a6696735SMaxim Mikityanskiy return -ENOMEM; 769a6696735SMaxim Mikityanskiy 77043ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 7713f6d08d1SOr Gerlitz 7723f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 77365d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 774d930ac79SAya Levin 77565d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 7763f6d08d1SOr Gerlitz 777a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 778a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 779a6696735SMaxim Mikityanskiy false); 78043ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 781bbeb53b8SAya Levin 782a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 7833f6d08d1SOr Gerlitz if (err) { 7843f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 7853f6d08d1SOr Gerlitz goto err_destroy_tirs; 7863f6d08d1SOr Gerlitz } 787a6696735SMaxim Mikityanskiy 788a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 7893f6d08d1SOr Gerlitz } 790a6696735SMaxim Mikityanskiy 791a6696735SMaxim Mikityanskiy out: 792a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 793a6696735SMaxim Mikityanskiy return err; 7943f6d08d1SOr Gerlitz 7953f6d08d1SOr Gerlitz err_destroy_tirs: 796a6696735SMaxim Mikityanskiy max_tt = tt; 797a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 798a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 799a6696735SMaxim Mikityanskiy 800a6696735SMaxim Mikityanskiy goto out; 8013f6d08d1SOr Gerlitz } 8023f6d08d1SOr Gerlitz 8033f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 8043f6d08d1SOr Gerlitz { 8053f6d08d1SOr Gerlitz int tt; 8063f6d08d1SOr Gerlitz 8073f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 808a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 8093f6d08d1SOr Gerlitz } 8103f6d08d1SOr Gerlitz 8113f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 8123f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 8133f6d08d1SOr Gerlitz { 8143f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8153f6d08d1SOr Gerlitz int tt; 8163f6d08d1SOr Gerlitz 8173f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8183f6d08d1SOr Gerlitz 819bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 820bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 821bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 822bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 823bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 824bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 825bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 826bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 827bc29764eSMaor Gottlieb } 8283f6d08d1SOr Gerlitz 8293f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8303f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8313f6d08d1SOr Gerlitz } 8323f6d08d1SOr Gerlitz 8333f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8343f6d08d1SOr Gerlitz { 8353f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8363f6d08d1SOr Gerlitz struct ttc_params ttc_params; 837f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8383f6d08d1SOr Gerlitz int err; 8393f6d08d1SOr Gerlitz 8403f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8413f6d08d1SOr Gerlitz if (err) 8423f6d08d1SOr Gerlitz return err; 8433f6d08d1SOr Gerlitz 8443f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8453f6d08d1SOr Gerlitz if (err) 8463f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8473f6d08d1SOr Gerlitz 8483f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 849f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 850f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 851f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8523f6d08d1SOr Gerlitz goto err_create_ttc_table; 853f4b45940SMaor Gottlieb } 8543f6d08d1SOr Gerlitz 855f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8563f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 857f4b45940SMaor Gottlieb hp->num_channels, 858f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8593f6d08d1SOr Gerlitz 8603f6d08d1SOr Gerlitz return 0; 8613f6d08d1SOr Gerlitz 8623f6d08d1SOr Gerlitz err_create_ttc_table: 8633f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8643f6d08d1SOr Gerlitz err_create_indirect_tirs: 86506e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8663f6d08d1SOr Gerlitz 8673f6d08d1SOr Gerlitz return err; 8683f6d08d1SOr Gerlitz } 8693f6d08d1SOr Gerlitz 8703f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 8713f6d08d1SOr Gerlitz { 872f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 8733f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 87406e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8753f6d08d1SOr Gerlitz } 8763f6d08d1SOr Gerlitz 87777ab67b7SOr Gerlitz static struct mlx5e_hairpin * 87877ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 87977ab67b7SOr Gerlitz int peer_ifindex) 88077ab67b7SOr Gerlitz { 88177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 88277ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 88377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 88477ab67b7SOr Gerlitz int err; 88577ab67b7SOr Gerlitz 88677ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 88777ab67b7SOr Gerlitz if (!hp) 88877ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 88977ab67b7SOr Gerlitz 89077ab67b7SOr Gerlitz func_mdev = priv->mdev; 89177ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 892b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 893b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 894b1c2f631SDima Chumak goto create_pair_err; 895b1c2f631SDima Chumak } 89677ab67b7SOr Gerlitz 89777ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 89877ab67b7SOr Gerlitz if (IS_ERR(pair)) { 89977ab67b7SOr Gerlitz err = PTR_ERR(pair); 90077ab67b7SOr Gerlitz goto create_pair_err; 90177ab67b7SOr Gerlitz } 90277ab67b7SOr Gerlitz hp->pair = pair; 90377ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 9043f6d08d1SOr Gerlitz hp->func_priv = priv; 9053f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 90677ab67b7SOr Gerlitz 90777ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 90877ab67b7SOr Gerlitz if (err) 90977ab67b7SOr Gerlitz goto create_transport_err; 91077ab67b7SOr Gerlitz 9113f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 9123f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 9133f6d08d1SOr Gerlitz if (err) 9143f6d08d1SOr Gerlitz goto rss_init_err; 9153f6d08d1SOr Gerlitz } 9163f6d08d1SOr Gerlitz 91777ab67b7SOr Gerlitz return hp; 91877ab67b7SOr Gerlitz 9193f6d08d1SOr Gerlitz rss_init_err: 9203f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 92177ab67b7SOr Gerlitz create_transport_err: 92277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 92377ab67b7SOr Gerlitz create_pair_err: 92477ab67b7SOr Gerlitz kfree(hp); 92577ab67b7SOr Gerlitz return ERR_PTR(err); 92677ab67b7SOr Gerlitz } 92777ab67b7SOr Gerlitz 92877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 92977ab67b7SOr Gerlitz { 9303f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9313f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 93277ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 93377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 93477ab67b7SOr Gerlitz kvfree(hp); 93577ab67b7SOr Gerlitz } 93677ab67b7SOr Gerlitz 937106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 938106be53bSOr Gerlitz { 939106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 940106be53bSOr Gerlitz } 941106be53bSOr Gerlitz 9425c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 943106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9445c65c564SOr Gerlitz { 945f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9465c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 947106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9485c65c564SOr Gerlitz 949f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 950106be53bSOr Gerlitz hairpin_hlist, hash_key) { 951e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 952e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9535c65c564SOr Gerlitz return hpe; 9545c65c564SOr Gerlitz } 955e4f9abbdSVlad Buslov } 9565c65c564SOr Gerlitz 9575c65c564SOr Gerlitz return NULL; 9585c65c564SOr Gerlitz } 9595c65c564SOr Gerlitz 960e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 961e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 962e4f9abbdSVlad Buslov { 963f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 964e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 965f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 966e4f9abbdSVlad Buslov return; 967b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 968f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 969e4f9abbdSVlad Buslov 970db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 971e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 972e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 973e4f9abbdSVlad Buslov 974e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 975db76ca24SVlad Buslov } 976db76ca24SVlad Buslov 977db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 978e4f9abbdSVlad Buslov kfree(hpe); 979e4f9abbdSVlad Buslov } 980e4f9abbdSVlad Buslov 981106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 982106be53bSOr Gerlitz 983106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 984e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 985e98bedf5SEli Britstein struct netlink_ext_ack *extack) 986106be53bSOr Gerlitz { 987106be53bSOr Gerlitz void *headers_c, *headers_v; 988106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 989106be53bSOr Gerlitz bool vlan_present; 990106be53bSOr Gerlitz 991106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 992106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 993e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 994e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 995106be53bSOr Gerlitz return -EOPNOTSUPP; 996106be53bSOr Gerlitz } 997106be53bSOr Gerlitz #endif 998106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 999106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1000106be53bSOr Gerlitz 1001106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 1002106be53bSOr Gerlitz if (vlan_present) { 1003106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 1004106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 1005106be53bSOr Gerlitz } 1006106be53bSOr Gerlitz 1007106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 1008106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 1009106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 1010e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1011e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 1012106be53bSOr Gerlitz return -EOPNOTSUPP; 1013106be53bSOr Gerlitz } 1014106be53bSOr Gerlitz 1015106be53bSOr Gerlitz *match_prio = prio_val; 1016106be53bSOr Gerlitz return 0; 1017106be53bSOr Gerlitz } 1018106be53bSOr Gerlitz 10195c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 10205c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1021e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1022e98bedf5SEli Britstein struct netlink_ext_ack *extack) 10235c65c564SOr Gerlitz { 1024f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 102598b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 10265c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1027d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 10285c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 10295c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 10303f6d08d1SOr Gerlitz u64 link_speed64; 10313f6d08d1SOr Gerlitz u32 link_speed; 1032106be53bSOr Gerlitz u8 match_prio; 1033d8822868SOr Gerlitz u16 peer_id; 10345c65c564SOr Gerlitz int err; 10355c65c564SOr Gerlitz 1036d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1037b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1038b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1039b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1040b1c2f631SDima Chumak } 1041b1c2f631SDima Chumak 1042d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1043e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 10445c65c564SOr Gerlitz return -EOPNOTSUPP; 10455c65c564SOr Gerlitz } 10465c65c564SOr Gerlitz 1047d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1048e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1049e98bedf5SEli Britstein extack); 1050106be53bSOr Gerlitz if (err) 1051106be53bSOr Gerlitz return err; 1052b32accdaSVlad Buslov 1053f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1054106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1055db76ca24SVlad Buslov if (hpe) { 1056f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1057db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1058db76ca24SVlad Buslov 1059db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1060db76ca24SVlad Buslov err = -EREMOTEIO; 1061db76ca24SVlad Buslov goto out_err; 1062db76ca24SVlad Buslov } 10635c65c564SOr Gerlitz goto attach_flow; 1064db76ca24SVlad Buslov } 10655c65c564SOr Gerlitz 10665c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1067b32accdaSVlad Buslov if (!hpe) { 1068f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1069db76ca24SVlad Buslov return -ENOMEM; 1070b32accdaSVlad Buslov } 10715c65c564SOr Gerlitz 107273edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 10735c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1074db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1075d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1076106be53bSOr Gerlitz hpe->prio = match_prio; 1077e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1078db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1079db76ca24SVlad Buslov 1080f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1081db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1082f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 10835c65c564SOr Gerlitz 108494581080SGal Pressman params.log_data_size = clamp_t(u8, 16, 108594581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 10865c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1087eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 1088eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 1089eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 1090eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 1091eb9180f7SOr Gerlitz 1092eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 10933f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 10942c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 10953f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 10963f6d08d1SOr Gerlitz link_speed64 = link_speed; 10973f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 10983f6d08d1SOr Gerlitz params.num_channels = link_speed64; 10993f6d08d1SOr Gerlitz 11005c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1101db76ca24SVlad Buslov hpe->hp = hp; 1102db76ca24SVlad Buslov complete_all(&hpe->res_ready); 11035c65c564SOr Gerlitz if (IS_ERR(hp)) { 11045c65c564SOr Gerlitz err = PTR_ERR(hp); 1105db76ca24SVlad Buslov goto out_err; 11065c65c564SOr Gerlitz } 11075c65c564SOr Gerlitz 1108eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1109a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 111027b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1111eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 11125c65c564SOr Gerlitz 11135c65c564SOr Gerlitz attach_flow: 11143f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1115226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1116f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1117f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 11183f6d08d1SOr Gerlitz } else { 1119a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 11203f6d08d1SOr Gerlitz } 1121b32accdaSVlad Buslov 1122e4f9abbdSVlad Buslov flow->hpe = hpe; 112373edca73SVlad Buslov spin_lock(&hpe->flows_lock); 11245c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 112573edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 11263f6d08d1SOr Gerlitz 11275c65c564SOr Gerlitz return 0; 11285c65c564SOr Gerlitz 1129db76ca24SVlad Buslov out_err: 1130db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 11315c65c564SOr Gerlitz return err; 11325c65c564SOr Gerlitz } 11335c65c564SOr Gerlitz 11345c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 11355c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 11365c65c564SOr Gerlitz { 11375a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1138e4f9abbdSVlad Buslov if (!flow->hpe) 11395a7e5bcbSVlad Buslov return; 11405a7e5bcbSVlad Buslov 114173edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 11425c65c564SOr Gerlitz list_del(&flow->hairpin); 114373edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 114473edca73SVlad Buslov 1145e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1146e4f9abbdSVlad Buslov flow->hpe = NULL; 11475c65c564SOr Gerlitz } 11485c65c564SOr Gerlitz 114908247066SAriel Levkovich struct mlx5_flow_handle * 115008247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 115108247066SAriel Levkovich struct mlx5_flow_spec *spec, 1152c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1153e8f887acSAmir Vadai { 115408247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1155f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1156f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1157c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 11585c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 115923bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 116066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 11613bc4b7bfSOr Gerlitz .action = attr->action, 1162bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 116366958ed9SHadar Hen Zion }; 116408247066SAriel Levkovich struct mlx5_flow_handle *rule; 1165c7569097SAriel Levkovich struct mlx5_flow_table *ft; 116608247066SAriel Levkovich int dest_ix = 0; 1167e8f887acSAmir Vadai 116823bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1169bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1170c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1171bb0ee7dcSJianbo Liu 1172aedd133dSAriel Levkovich if (attr->dest_ft) { 1173aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1174aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1175aedd133dSAriel Levkovich dest_ix++; 1176aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 11773f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1178c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 117908247066SAriel Levkovich dest_ix++; 1180c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 11815c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1182c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 11833f6d08d1SOr Gerlitz dest_ix++; 11843f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 11855c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1186c7569097SAriel Levkovich if (attr->dest_chain) { 1187c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1188c7569097SAriel Levkovich attr->dest_chain, 1, 1189c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1190c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1191c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1192c7569097SAriel Levkovich } else { 1193f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1194c7569097SAriel Levkovich } 11955c65c564SOr Gerlitz dest_ix++; 11965c65c564SOr Gerlitz } 1197aad7e08dSAmir Vadai 1198c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1199c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1200c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1201c7569097SAriel Levkovich 120208247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 12035c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 120408247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 12055c65c564SOr Gerlitz dest_ix++; 1206aad7e08dSAmir Vadai } 1207aad7e08dSAmir Vadai 120808247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12092b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 12102f4fe4caSOr Gerlitz 12116a064674SAriel Levkovich mutex_lock(&tc->t_lock); 12126a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 12136a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 12146a064674SAriel Levkovich tc->t = 1215c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 121621b9c144SOr Gerlitz 12176a064674SAriel Levkovich if (IS_ERR(tc->t)) { 12186a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1219e8f887acSAmir Vadai netdev_err(priv->netdev, 1220e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1221f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1222c7569097SAriel Levkovich goto err_ft_get; 1223e8f887acSAmir Vadai } 1224e8f887acSAmir Vadai } 122508247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1226e8f887acSAmir Vadai 1227aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1228c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1229c7569097SAriel Levkovich attr->chain, attr->prio, 1230c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1231aedd133dSAriel Levkovich else 1232aedd133dSAriel Levkovich ft = attr->ft; 1233aedd133dSAriel Levkovich 1234c7569097SAriel Levkovich if (IS_ERR(ft)) { 1235c7569097SAriel Levkovich rule = ERR_CAST(ft); 1236c7569097SAriel Levkovich goto err_ft_get; 1237c7569097SAriel Levkovich } 1238c7569097SAriel Levkovich 1239c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 124008247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 124138aa51c1SOr Gerlitz 1242c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 12435c65c564SOr Gerlitz &flow_act, dest, dest_ix); 124408247066SAriel Levkovich if (IS_ERR(rule)) 1245c7569097SAriel Levkovich goto err_rule; 124608247066SAriel Levkovich 124708247066SAriel Levkovich return rule; 1248c7569097SAriel Levkovich 1249c7569097SAriel Levkovich err_rule: 1250aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1251c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1252c7569097SAriel Levkovich attr->chain, attr->prio, 1253c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1254c7569097SAriel Levkovich err_ft_get: 1255c7569097SAriel Levkovich if (attr->dest_chain) 1256c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1257c7569097SAriel Levkovich attr->dest_chain, 1, 1258c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1259c7569097SAriel Levkovich 1260c7569097SAriel Levkovich return ERR_CAST(rule); 126108247066SAriel Levkovich } 126208247066SAriel Levkovich 126308247066SAriel Levkovich static int 1264df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1265df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1266df67ad62SRoi Dayan 1267df67ad62SRoi Dayan { 1268df67ad62SRoi Dayan struct mlx5_fc *counter; 1269df67ad62SRoi Dayan 1270df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1271df67ad62SRoi Dayan if (IS_ERR(counter)) 1272df67ad62SRoi Dayan return PTR_ERR(counter); 1273df67ad62SRoi Dayan 1274df67ad62SRoi Dayan attr->counter = counter; 1275df67ad62SRoi Dayan return 0; 1276df67ad62SRoi Dayan } 1277df67ad62SRoi Dayan 1278df67ad62SRoi Dayan static int 127908247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 128008247066SAriel Levkovich struct mlx5e_tc_flow *flow, 128108247066SAriel Levkovich struct netlink_ext_ack *extack) 128208247066SAriel Levkovich { 1283c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1284c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 128508247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 128608247066SAriel Levkovich int err; 128708247066SAriel Levkovich 1288c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1289c6cfe113SRoi Dayan 129008247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 129108247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 129208247066SAriel Levkovich if (err) 129308247066SAriel Levkovich return err; 129408247066SAriel Levkovich } 129508247066SAriel Levkovich 129608247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1297df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1298df67ad62SRoi Dayan if (err) 1299df67ad62SRoi Dayan return err; 130008247066SAriel Levkovich } 130108247066SAriel Levkovich 130208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 130308247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 130408247066SAriel Levkovich if (err) 130508247066SAriel Levkovich return err; 130608247066SAriel Levkovich } 130708247066SAriel Levkovich 130884ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1309a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1310aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1311aedd133dSAriel Levkovich else 131208247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 131308247066SAriel Levkovich attr); 1314e8f887acSAmir Vadai 1315a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1316e8f887acSAmir Vadai } 1317e8f887acSAmir Vadai 131808247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1319c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1320c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 132108247066SAriel Levkovich { 1322f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1323f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1324c7569097SAriel Levkovich 1325f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 132608247066SAriel Levkovich mlx5_del_flow_rules(rule); 1327c7569097SAriel Levkovich 1328aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1329c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1330c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1331c7569097SAriel Levkovich 1332c7569097SAriel Levkovich if (attr->dest_chain) 1333c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1334c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 133508247066SAriel Levkovich } 133608247066SAriel Levkovich 1337d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1338d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1339d85cdccbSOr Gerlitz { 1340f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1341c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1342d85cdccbSOr Gerlitz 1343c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1344c7569097SAriel Levkovich 134584ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1346a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1347aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1348aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1349aedd133dSAriel Levkovich 1350c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1351c7569097SAriel Levkovich * extra steering hops. 1352c7569097SAriel Levkovich */ 1353f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 13546a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 13556a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 135623bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1357f52f2faeSLama Kayal tc->t = NULL; 1358d85cdccbSOr Gerlitz } 1359f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 13602f4fe4caSOr Gerlitz 1361*5e72f3f1SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1362*5e72f3f1SAriel Levkovich mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 13633099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1364*5e72f3f1SAriel Levkovich } 13655c65c564SOr Gerlitz 1366972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1367aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1368aedd133dSAriel Levkovich 1369226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 13705c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1371c620b772SAriel Levkovich 13728300f225SRoi Dayan free_flow_post_acts(flow); 13738300f225SRoi Dayan 137488d97486SRoi Dayan kvfree(attr->parse_attr); 1375c620b772SAriel Levkovich kfree(flow->attr); 1376d85cdccbSOr Gerlitz } 1377d85cdccbSOr Gerlitz 13780d9f9647SVlad Buslov struct mlx5_flow_handle * 13796d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 13806d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 13816d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1382c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 13836d2a3ed0SOr Gerlitz { 13846d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13854c3844d9SPaul Blakey 1386e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 138789e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 138889e39467SPaul Blakey 1389a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 13906d2a3ed0SOr Gerlitz 13916d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 13926d2a3ed0SOr Gerlitz return rule; 13936d2a3ed0SOr Gerlitz 1394c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 13956d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 139684ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 139784ba8062SRoi Dayan goto err_rule1; 13986d2a3ed0SOr Gerlitz } 13996d2a3ed0SOr Gerlitz 14006d2a3ed0SOr Gerlitz return rule; 140184ba8062SRoi Dayan 140284ba8062SRoi Dayan err_rule1: 1403a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 140484ba8062SRoi Dayan return flow->rule[1]; 14056d2a3ed0SOr Gerlitz } 14066d2a3ed0SOr Gerlitz 14070d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 14086d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1409c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14106d2a3ed0SOr Gerlitz { 1411226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 14126d2a3ed0SOr Gerlitz 1413e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 141484ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 141589e39467SPaul Blakey 1416c620b772SAriel Levkovich if (attr->esw_attr->split_count) 14176d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 14186d2a3ed0SOr Gerlitz 1419a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 14206d2a3ed0SOr Gerlitz } 14216d2a3ed0SOr Gerlitz 14220d9f9647SVlad Buslov struct mlx5_flow_handle * 14235dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 14245dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1425178f69b4SEli Cohen struct mlx5_flow_spec *spec) 14265dbe906fSPaul Blakey { 14278dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 14288dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1429c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 14305dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 14318dc47c05SPaul Blakey bool fwd_and_modify_cap; 14328dc47c05SPaul Blakey u32 chain_mapping = 0; 14338dc47c05SPaul Blakey int err; 14345dbe906fSPaul Blakey 1435c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1436c620b772SAriel Levkovich if (!slow_attr) 1437c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 14385dbe906fSPaul Blakey 1439c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1440c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1441c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1442e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1443c620b772SAriel Levkovich 14448dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 14458dc47c05SPaul Blakey if (!fwd_and_modify_cap) 14468dc47c05SPaul Blakey goto skip_restore; 14478dc47c05SPaul Blakey 14488dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 14498dc47c05SPaul Blakey if (err) 14508dc47c05SPaul Blakey goto err_get_chain; 14518dc47c05SPaul Blakey 14528dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 14538dc47c05SPaul Blakey CHAIN_TO_REG, chain_mapping); 14548dc47c05SPaul Blakey if (err) 14558dc47c05SPaul Blakey goto err_reg_set; 14568dc47c05SPaul Blakey 14578dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 14588dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 14598dc47c05SPaul Blakey if (IS_ERR(mh)) { 14608dc47c05SPaul Blakey err = PTR_ERR(mh); 14618dc47c05SPaul Blakey goto err_attach; 14628dc47c05SPaul Blakey } 14638dc47c05SPaul Blakey 14648dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 14658dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 14668dc47c05SPaul Blakey 14678dc47c05SPaul Blakey skip_restore: 1468c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 14698dc47c05SPaul Blakey if (IS_ERR(rule)) { 14708dc47c05SPaul Blakey err = PTR_ERR(rule); 14718dc47c05SPaul Blakey goto err_offload; 14728dc47c05SPaul Blakey } 14738dc47c05SPaul Blakey 14748dc47c05SPaul Blakey flow->slow_mh = mh; 14758dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1476226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 14775dbe906fSPaul Blakey 14788dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1479c620b772SAriel Levkovich kfree(slow_attr); 1480c620b772SAriel Levkovich 14815dbe906fSPaul Blakey return rule; 14828dc47c05SPaul Blakey 14838dc47c05SPaul Blakey err_offload: 14848dc47c05SPaul Blakey if (fwd_and_modify_cap) 14858dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 14868dc47c05SPaul Blakey err_attach: 14878dc47c05SPaul Blakey err_reg_set: 14888dc47c05SPaul Blakey if (fwd_and_modify_cap) 14898dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 14908dc47c05SPaul Blakey err_get_chain: 14918dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 14928dc47c05SPaul Blakey kfree(slow_attr); 14938dc47c05SPaul Blakey return ERR_PTR(err); 14945dbe906fSPaul Blakey } 14955dbe906fSPaul Blakey 14960d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1497178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 14985dbe906fSPaul Blakey { 1499c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1500178f69b4SEli Cohen 1501c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 15025efbe617SAriel Levkovich if (!slow_attr) { 15035efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 15045efbe617SAriel Levkovich return; 15055efbe617SAriel Levkovich } 1506c620b772SAriel Levkovich 1507c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1508c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1509c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1510e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 15118dc47c05SPaul Blakey if (flow->slow_mh) { 15128dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 15138dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(flow->slow_mh); 15148dc47c05SPaul Blakey } 1515c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 15168dc47c05SPaul Blakey if (flow->slow_mh) { 15178dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), flow->slow_mh); 15188dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 15198dc47c05SPaul Blakey flow->chain_mapping = 0; 15208dc47c05SPaul Blakey flow->slow_mh = NULL; 15218dc47c05SPaul Blakey } 1522226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1523c620b772SAriel Levkovich kfree(slow_attr); 15245dbe906fSPaul Blakey } 15255dbe906fSPaul Blakey 1526ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1527ad86755bSVlad Buslov * function. 1528ad86755bSVlad Buslov */ 1529ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1530ad86755bSVlad Buslov struct list_head *unready_flows) 1531ad86755bSVlad Buslov { 1532ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1533ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1534ad86755bSVlad Buslov } 1535ad86755bSVlad Buslov 1536ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1537ad86755bSVlad Buslov * function. 1538ad86755bSVlad Buslov */ 1539ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1540ad86755bSVlad Buslov { 1541ad86755bSVlad Buslov list_del(&flow->unready); 1542ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1543ad86755bSVlad Buslov } 1544ad86755bSVlad Buslov 1545b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1546b4a23329SRoi Dayan { 1547b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1548b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1549b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1550b4a23329SRoi Dayan 1551b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1552b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1553b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1554b4a23329SRoi Dayan 1555ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1556ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1557ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1558b4a23329SRoi Dayan } 1559b4a23329SRoi Dayan 1560b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1561b4a23329SRoi Dayan { 1562ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1563ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1564ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1565ad86755bSVlad Buslov 1566ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1567ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1568ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1569ad86755bSVlad Buslov 1570ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1571ad86755bSVlad Buslov unready_flow_del(flow); 1572ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1573b4a23329SRoi Dayan } 1574b4a23329SRoi Dayan 1575a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 157610742efcSVlad Buslov { 157710742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 157810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 157910742efcSVlad Buslov 158010742efcSVlad Buslov out_priv = netdev_priv(out_dev); 158110742efcSVlad Buslov out_mdev = out_priv->mdev; 158210742efcSVlad Buslov route_priv = netdev_priv(route_dev); 158310742efcSVlad Buslov route_mdev = route_priv->mdev; 158410742efcSVlad Buslov 158572e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 158672e0bcd1SRoi Dayan return false; 158772e0bcd1SRoi Dayan 158872e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 158972e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 159010742efcSVlad Buslov return false; 159110742efcSVlad Buslov 1592ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 159310742efcSVlad Buslov } 159410742efcSVlad Buslov 1595a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 159610742efcSVlad Buslov { 159710742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1598f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 159910742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 160010742efcSVlad Buslov struct mlx5_eswitch *esw; 160110742efcSVlad Buslov u16 vhca_id; 160210742efcSVlad Buslov int err; 160310742efcSVlad Buslov 160410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 160510742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 160610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 160710742efcSVlad Buslov route_mdev = route_priv->mdev; 160810742efcSVlad Buslov 160910742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1610f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1611f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1612f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1613f9d196bdSDmytro Linkin * eswitch. 1614f9d196bdSDmytro Linkin */ 161510742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1616f9d196bdSDmytro Linkin if (err != -ENOENT) 1617f9d196bdSDmytro Linkin return err; 1618f9d196bdSDmytro Linkin 1619f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1620f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1621f9d196bdSDmytro Linkin if (!esw) 1622f9d196bdSDmytro Linkin return -ENODEV; 1623f9d196bdSDmytro Linkin } 1624f9d196bdSDmytro Linkin 1625f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1626f9d196bdSDmytro Linkin if (devcom) 1627f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 162810742efcSVlad Buslov return err; 162910742efcSVlad Buslov } 163010742efcSVlad Buslov 1631c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1632ff993167SRoi Dayan struct mlx5e_tc_flow *flow, 1633ff993167SRoi Dayan struct mlx5_flow_attr *attr) 1634c7b9038dSVlad Buslov { 1635ff993167SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 1636c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1637c7b9038dSVlad Buslov 1638c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1639e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1640c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1641c7b9038dSVlad Buslov mod_hdr_acts->actions); 1642c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1643c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1644c7b9038dSVlad Buslov 1645ff993167SRoi Dayan WARN_ON(attr->modify_hdr); 1646ff993167SRoi Dayan attr->modify_hdr = mod_hdr; 1647c7b9038dSVlad Buslov 1648c7b9038dSVlad Buslov return 0; 1649c7b9038dSVlad Buslov } 1650c7b9038dSVlad Buslov 1651c83954abSRabie Loulou static int 165239542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 165339542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1654c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 165539542e23SRoi Dayan struct netlink_ext_ack *extack, 165639542e23SRoi Dayan bool *vf_tun) 165739542e23SRoi Dayan { 165839542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 165939542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 166039542e23SRoi Dayan struct net_device *encap_dev = NULL; 166139542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 166239542e23SRoi Dayan struct mlx5e_priv *out_priv; 166339542e23SRoi Dayan int out_index; 166439542e23SRoi Dayan int err = 0; 166539542e23SRoi Dayan 16668300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 16678300f225SRoi Dayan return 0; 16688300f225SRoi Dayan 166939542e23SRoi Dayan parse_attr = attr->parse_attr; 167039542e23SRoi Dayan esw_attr = attr->esw_attr; 167139542e23SRoi Dayan *vf_tun = false; 167239542e23SRoi Dayan 167339542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 167439542e23SRoi Dayan struct net_device *out_dev; 167539542e23SRoi Dayan int mirred_ifindex; 167639542e23SRoi Dayan 167739542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 167839542e23SRoi Dayan continue; 167939542e23SRoi Dayan 168039542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 168139542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 168239542e23SRoi Dayan if (!out_dev) { 168339542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 168439542e23SRoi Dayan err = -ENODEV; 168539542e23SRoi Dayan goto out; 168639542e23SRoi Dayan } 1687c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 1688f3774220SChris Mi extack, &encap_dev); 168939542e23SRoi Dayan dev_put(out_dev); 169039542e23SRoi Dayan if (err) 169139542e23SRoi Dayan goto out; 169239542e23SRoi Dayan 169339542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 169439542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 169539542e23SRoi Dayan !esw_attr->dest_int_port) 169639542e23SRoi Dayan *vf_tun = true; 169739542e23SRoi Dayan 169839542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 169939542e23SRoi Dayan rpriv = out_priv->ppriv; 170039542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 170139542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 170239542e23SRoi Dayan } 170339542e23SRoi Dayan 170439542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 170539542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 170639542e23SRoi Dayan err = -EOPNOTSUPP; 170739542e23SRoi Dayan goto out; 170839542e23SRoi Dayan } 170939542e23SRoi Dayan 171039542e23SRoi Dayan out: 171139542e23SRoi Dayan return err; 171239542e23SRoi Dayan } 171339542e23SRoi Dayan 171439542e23SRoi Dayan static void 171539542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 171639542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1717c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 171839542e23SRoi Dayan bool *vf_tun) 171939542e23SRoi Dayan { 172039542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 172139542e23SRoi Dayan int out_index; 172239542e23SRoi Dayan 17238300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 17248300f225SRoi Dayan return; 17258300f225SRoi Dayan 172639542e23SRoi Dayan esw_attr = attr->esw_attr; 172739542e23SRoi Dayan *vf_tun = false; 172839542e23SRoi Dayan 172939542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 173039542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 173139542e23SRoi Dayan continue; 173239542e23SRoi Dayan 173339542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 173439542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 173539542e23SRoi Dayan !esw_attr->dest_int_port) 173639542e23SRoi Dayan *vf_tun = true; 173739542e23SRoi Dayan 1738c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 173939542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 174039542e23SRoi Dayan } 174139542e23SRoi Dayan } 174239542e23SRoi Dayan 174339542e23SRoi Dayan static int 174464426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 174564426382SOz Shlomo { 174664426382SOz Shlomo if (!(actions & 174764426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 174864426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 174964426382SOz Shlomo return -EOPNOTSUPP; 175064426382SOz Shlomo } 175164426382SOz Shlomo 175264426382SOz Shlomo if (!(~actions & 175364426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 175464426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 175564426382SOz Shlomo return -EOPNOTSUPP; 175664426382SOz Shlomo } 175764426382SOz Shlomo 175864426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 175964426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 176064426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 176164426382SOz Shlomo return -EOPNOTSUPP; 176264426382SOz Shlomo } 176364426382SOz Shlomo 176464426382SOz Shlomo return 0; 176564426382SOz Shlomo } 176664426382SOz Shlomo 176764426382SOz Shlomo static int 17688facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 17698facc02fSOz Shlomo struct mlx5_flow_attr *attr, 17708facc02fSOz Shlomo bool is_post_act_attr, 17718facc02fSOz Shlomo struct netlink_ext_ack *extack) 17728facc02fSOz Shlomo { 17738facc02fSOz Shlomo struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 17748facc02fSOz Shlomo bool vf_tun; 17758facc02fSOz Shlomo int err = 0; 17768facc02fSOz Shlomo 177764426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 177864426382SOz Shlomo if (err) 177964426382SOz Shlomo goto err_out; 178064426382SOz Shlomo 17818facc02fSOz Shlomo err = set_encap_dests(flow->priv, flow, attr, extack, &vf_tun); 17828facc02fSOz Shlomo if (err) 17838facc02fSOz Shlomo goto err_out; 17848facc02fSOz Shlomo 17858facc02fSOz Shlomo if (mlx5e_is_eswitch_flow(flow)) { 17868facc02fSOz Shlomo err = mlx5_eswitch_add_vlan_action(esw, attr); 17878facc02fSOz Shlomo if (err) 17888facc02fSOz Shlomo goto err_out; 17898facc02fSOz Shlomo } 17908facc02fSOz Shlomo 17918facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 17928facc02fSOz Shlomo if (vf_tun || is_post_act_attr) { 17938facc02fSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr); 17948facc02fSOz Shlomo if (err) 17958facc02fSOz Shlomo goto err_out; 17968facc02fSOz Shlomo } else { 17978facc02fSOz Shlomo err = mlx5e_attach_mod_hdr(flow->priv, flow, attr->parse_attr); 17988facc02fSOz Shlomo if (err) 17998facc02fSOz Shlomo goto err_out; 18008facc02fSOz Shlomo } 18018facc02fSOz Shlomo } 18028facc02fSOz Shlomo 1803f86488cbSOz Shlomo if (attr->branch_true && 1804f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1805f86488cbSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr->branch_true); 1806f86488cbSOz Shlomo if (err) 1807f86488cbSOz Shlomo goto err_out; 1808f86488cbSOz Shlomo } 1809f86488cbSOz Shlomo 1810f86488cbSOz Shlomo if (attr->branch_false && 1811f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1812f86488cbSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr->branch_false); 1813f86488cbSOz Shlomo if (err) 1814f86488cbSOz Shlomo goto err_out; 1815f86488cbSOz Shlomo } 1816f86488cbSOz Shlomo 18178facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 18188facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 18198facc02fSOz Shlomo if (err) 18208facc02fSOz Shlomo goto err_out; 18218facc02fSOz Shlomo } 18228facc02fSOz Shlomo 18238facc02fSOz Shlomo err_out: 18248facc02fSOz Shlomo return err; 18258facc02fSOz Shlomo } 18268facc02fSOz Shlomo 18278facc02fSOz Shlomo static int 182874491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1829e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1830e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1831adb4c123SOr Gerlitz { 1832adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1833c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1834c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1835c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 183639ac237cSPaul Blakey u32 max_prio, max_chain; 18370ad060eeSRoi Dayan int err = 0; 18388b32580dSOr Gerlitz 1839b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1840b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1841b16eb3c8SAriel Levkovich 184284179981SPaul Blakey /* We check chain range only for tc flows. 184384179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 184484179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 184584179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 184684179981SPaul Blakey */ 1847ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 184884179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 184961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 185061644c3dSRoi Dayan "Requested chain is out of supported range"); 18518914add2SVlad Buslov err = -EOPNOTSUPP; 18528914add2SVlad Buslov goto err_out; 1853bf07aa73SPaul Blakey } 1854bf07aa73SPaul Blakey 1855ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1856bf07aa73SPaul Blakey if (attr->prio > max_prio) { 185761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 185861644c3dSRoi Dayan "Requested priority is out of supported range"); 18598914add2SVlad Buslov err = -EOPNOTSUPP; 18608914add2SVlad Buslov goto err_out; 1861bf07aa73SPaul Blakey } 1862bf07aa73SPaul Blakey 1863777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1864777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1865777bb800SVlad Buslov if (err) 18668914add2SVlad Buslov goto err_out; 1867b16eb3c8SAriel Levkovich 18685b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 18695b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1870b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1871b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1872b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1873b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1874b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1875b16eb3c8SAriel Levkovich * from the proper chain. 1876b16eb3c8SAriel Levkovich */ 1877b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1878b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1879b16eb3c8SAriel Levkovich 1880b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1881b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1882b16eb3c8SAriel Levkovich metadata); 1883b16eb3c8SAriel Levkovich if (err) 188431108d14SChristophe JAILLET goto err_out; 1885077cdda7SRoi Dayan 1886077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1887b16eb3c8SAriel Levkovich } 1888777bb800SVlad Buslov } 1889777bb800SVlad Buslov 189014e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 189114e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 189214e6b038SEli Cohen if (err) 18938914add2SVlad Buslov goto err_out; 189414e6b038SEli Cohen } 189514e6b038SEli Cohen 1896166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1897166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1898166f431eSAriel Levkovich 1899166f431eSAriel Levkovich if (attr->chain) { 1900166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1901166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 190231108d14SChristophe JAILLET err = -EOPNOTSUPP; 190331108d14SChristophe JAILLET goto err_out; 1904166f431eSAriel Levkovich } 1905166f431eSAriel Levkovich 1906166f431eSAriel Levkovich if (attr->dest_chain) { 1907166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1908166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 190931108d14SChristophe JAILLET err = -EOPNOTSUPP; 191031108d14SChristophe JAILLET goto err_out; 1911166f431eSAriel Levkovich } 1912166f431eSAriel Levkovich 1913166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1914166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1915166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1916166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1917166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 191831108d14SChristophe JAILLET if (IS_ERR(int_port)) { 191931108d14SChristophe JAILLET err = PTR_ERR(int_port); 192031108d14SChristophe JAILLET goto err_out; 192131108d14SChristophe JAILLET } 1922166f431eSAriel Levkovich 1923166f431eSAriel Levkovich esw_attr->int_port = int_port; 1924166f431eSAriel Levkovich } 1925166f431eSAriel Levkovich 19268facc02fSOz Shlomo err = post_process_attr(flow, attr, false, extack); 19270ad060eeSRoi Dayan if (err) 19288914add2SVlad Buslov goto err_out; 19290ad060eeSRoi Dayan 19300ad060eeSRoi Dayan /* we get here if one of the following takes place: 19310ad060eeSRoi Dayan * (1) there's no error 19320ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 19333c37745eSOr Gerlitz */ 1934f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 1935178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1936bc1d75faSRoi Dayan else 19376d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 19385dbe906fSPaul Blakey 19398914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 19408914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 19418914add2SVlad Buslov goto err_out; 19428914add2SVlad Buslov } 1943226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1944c83954abSRabie Loulou 19455dbe906fSPaul Blakey return 0; 19468914add2SVlad Buslov 19478914add2SVlad Buslov err_out: 19488914add2SVlad Buslov flow_flag_set(flow, FAILED); 19498914add2SVlad Buslov return err; 1950aa0cbbaeSOr Gerlitz } 1951d85cdccbSOr Gerlitz 19529272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 19539272e3dfSYevgeny Kliteynik { 1954c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 19559272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 19569272e3dfSYevgeny Kliteynik spec->match_value, 19579272e3dfSYevgeny Kliteynik misc_parameters_3); 19589272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 19599272e3dfSYevgeny Kliteynik headers_v, 19609272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 19619272e3dfSYevgeny Kliteynik 19629272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 19639272e3dfSYevgeny Kliteynik } 19649272e3dfSYevgeny Kliteynik 1965f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 1966f86488cbSOz Shlomo { 1967f86488cbSOz Shlomo if (!attr) 1968f86488cbSOz Shlomo return; 1969f86488cbSOz Shlomo 1970f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 1971f86488cbSOz Shlomo kvfree(attr->parse_attr); 1972f86488cbSOz Shlomo kfree(attr); 1973f86488cbSOz Shlomo } 1974f86488cbSOz Shlomo 1975d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1976d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1977d85cdccbSOr Gerlitz { 1978d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1979c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1980777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 198139542e23SRoi Dayan bool vf_tun; 1982d85cdccbSOr Gerlitz 1983777bb800SVlad Buslov esw_attr = attr->esw_attr; 19840a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 19850a7fcb78SPaul Blakey 198612a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1987b4a23329SRoi Dayan remove_unready_flow(flow); 1988ef06c9eeSRoi Dayan 1989226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1990226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1991178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 19925dbe906fSPaul Blakey else 19935dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 19945dbe906fSPaul Blakey } 1995362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1996d85cdccbSOr Gerlitz 19979272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 19989272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 19999272e3dfSYevgeny Kliteynik 2000513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 2001d85cdccbSOr Gerlitz 2002777bb800SVlad Buslov if (flow->decap_route) 2003777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 2004777bb800SVlad Buslov 2005c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 2006d7e75a32SOr Gerlitz 2007aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 20084c8594adSRoi Dayan 2009c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 20102c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 20118914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 20128914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 20138914add2SVlad Buslov else 20141a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 2015c7b9038dSVlad Buslov } 2016b8aee822SMark Bloch 2017b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 2018777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 201914e6b038SEli Cohen 2020166f431eSAriel Levkovich if (esw_attr->int_port) 2021166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 2022166f431eSAriel Levkovich 202327484f71SAriel Levkovich if (esw_attr->dest_int_port) 202427484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 202527484f71SAriel Levkovich 202614e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 202714e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 2028c620b772SAriel Levkovich 20298300f225SRoi Dayan free_flow_post_acts(flow); 2030f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 2031f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 20328300f225SRoi Dayan 203394db3317SEli Cohen if (flow->attr->lag.count) 203494db3317SEli Cohen mlx5_lag_del_mpesw_rule(esw->dev); 203594db3317SEli Cohen 203688d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 203788d97486SRoi Dayan kvfree(attr->parse_attr); 2038c620b772SAriel Levkovich kfree(flow->attr); 2039d85cdccbSOr Gerlitz } 2040d85cdccbSOr Gerlitz 20410d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 2042b8aee822SMark Bloch { 20438300f225SRoi Dayan struct mlx5_flow_attr *attr; 20448300f225SRoi Dayan 20458300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 20468300f225SRoi Dayan return attr->counter; 2047b8aee822SMark Bloch } 2048b8aee822SMark Bloch 20496a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 2050021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 20516a06c2f7SVlad Buslov { 20526a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 20536a06c2f7SVlad Buslov 20546a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 20556a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 20566a06c2f7SVlad Buslov } 20576a06c2f7SVlad Buslov 205804de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 205904de7ddaSRoi Dayan { 206004de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 206104de7ddaSRoi Dayan 2062226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 2063226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 206404de7ddaSRoi Dayan return; 206504de7ddaSRoi Dayan 206604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 206704de7ddaSRoi Dayan list_del(&flow->peer); 206804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 206904de7ddaSRoi Dayan 2070226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 207104de7ddaSRoi Dayan 2072eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 207304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 2074a23dae79SRoi Dayan kfree(flow->peer_flow); 2075eb252c3aSRoi Dayan } 2076eb252c3aSRoi Dayan 207704de7ddaSRoi Dayan flow->peer_flow = NULL; 207804de7ddaSRoi Dayan } 207904de7ddaSRoi Dayan 208004de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 208104de7ddaSRoi Dayan { 208204de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 208304de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 208404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 208504de7ddaSRoi Dayan 208604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 208704de7ddaSRoi Dayan if (!peer_esw) 208804de7ddaSRoi Dayan return; 208904de7ddaSRoi Dayan 209004de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 209104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 209204de7ddaSRoi Dayan } 209304de7ddaSRoi Dayan 2094e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2095961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2096e8f887acSAmir Vadai { 2097226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 209804de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2099d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 210004de7ddaSRoi Dayan } else { 2101d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2102e8f887acSAmir Vadai } 210304de7ddaSRoi Dayan } 2104e8f887acSAmir Vadai 2105ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2106bbd00f7eSHadar Hen Zion { 2107f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21080a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 21090a7fcb78SPaul Blakey const struct flow_action_entry *act; 21100a7fcb78SPaul Blakey int i; 2111bbd00f7eSHadar Hen Zion 2112ee950e5dSChris Mi if (chain) 2113ee950e5dSChris Mi return false; 2114ee950e5dSChris Mi 21150a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 21160a7fcb78SPaul Blakey switch (act->id) { 21170a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 21180a7fcb78SPaul Blakey return true; 2119ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2120ee950e5dSChris Mi return true; 21210a7fcb78SPaul Blakey default: 21220a7fcb78SPaul Blakey continue; 2123fe1587a7SDmytro Linkin } 21242e72eb43SOr Gerlitz } 2125bbd00f7eSHadar Hen Zion 21260a7fcb78SPaul Blakey return false; 21270a7fcb78SPaul Blakey } 2128bcef735cSOr Gerlitz 21290a7fcb78SPaul Blakey static int 21300a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 21310a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 21320a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 21330a7fcb78SPaul Blakey bool *dont_care) 21340a7fcb78SPaul Blakey { 21350a7fcb78SPaul Blakey struct geneve_opt *opt; 21360a7fcb78SPaul Blakey int off = 0; 2137bcef735cSOr Gerlitz 21380a7fcb78SPaul Blakey *dont_care = true; 2139bcef735cSOr Gerlitz 21400a7fcb78SPaul Blakey while (opts->len > off) { 21410a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2142e98bedf5SEli Britstein 21430a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 21440a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 21450a7fcb78SPaul Blakey *dont_care = false; 21460a7fcb78SPaul Blakey 2147c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2148d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2149c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 21500a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 21510a7fcb78SPaul Blakey netdev_warn(priv->netdev, 21520a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2153e98bedf5SEli Britstein return -EOPNOTSUPP; 2154e98bedf5SEli Britstein } 2155bcef735cSOr Gerlitz } 2156bcef735cSOr Gerlitz 21570a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2158bbd00f7eSHadar Hen Zion } 2159bbd00f7eSHadar Hen Zion 2160bbd00f7eSHadar Hen Zion return 0; 2161bbd00f7eSHadar Hen Zion } 2162bbd00f7eSHadar Hen Zion 21630a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 21640a7fcb78SPaul Blakey ({ \ 21650a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 21660a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 21670a7fcb78SPaul Blakey \ 21680a7fcb78SPaul Blakey memcpy(__dst,\ 21690a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 21700a7fcb78SPaul Blakey diss_key,\ 21710a7fcb78SPaul Blakey __rule->match.key),\ 21720a7fcb78SPaul Blakey sizeof(*__dst));\ 21730a7fcb78SPaul Blakey }) 21740a7fcb78SPaul Blakey 21750a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 21760a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 21770a7fcb78SPaul Blakey struct flow_cls_offload *f, 21780a7fcb78SPaul Blakey struct net_device *filter_dev) 21798377629eSEli Britstein { 21800a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21810a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21820a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 21830a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2184d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 21850a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2186c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 21870a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 21880a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 21890a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 21900a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 21910a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 21920a7fcb78SPaul Blakey u32 value, mask; 21930a7fcb78SPaul Blakey int err; 21940a7fcb78SPaul Blakey 21950a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 21960a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 21970a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 21980a7fcb78SPaul Blakey 21990a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 22000a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 22010a7fcb78SPaul Blakey &tunnel_key.enc_control); 22020a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 22030a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 22040a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 22050a7fcb78SPaul Blakey else 22060a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 22070a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 22080a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 22090a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 22100a7fcb78SPaul Blakey &tunnel_key.enc_tp); 22110a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 22120a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 22130a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 22140a7fcb78SPaul Blakey 22150a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 22160a7fcb78SPaul Blakey if (err) 22170a7fcb78SPaul Blakey return err; 22180a7fcb78SPaul Blakey 22190a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 22200a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 22210a7fcb78SPaul Blakey enc_opts_match.mask, 22220a7fcb78SPaul Blakey extack, 22230a7fcb78SPaul Blakey &enc_opts_is_dont_care); 22240a7fcb78SPaul Blakey if (err) 22250a7fcb78SPaul Blakey goto err_enc_opts; 22260a7fcb78SPaul Blakey 22270a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2228d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2229d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2230d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2231d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2232d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2233d7a42ad0SRoi Dayan 22340a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2235d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 22360a7fcb78SPaul Blakey if (err) 22370a7fcb78SPaul Blakey goto err_enc_opts; 22380a7fcb78SPaul Blakey } 22390a7fcb78SPaul Blakey 22400a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 22410a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 22420a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 22430a7fcb78SPaul Blakey 22440a7fcb78SPaul Blakey if (attr->chain) { 22450a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 22460a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 22470a7fcb78SPaul Blakey } else { 22480a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 22490a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2250aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 22510a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 22520a7fcb78SPaul Blakey if (err) 22530a7fcb78SPaul Blakey goto err_set; 22540a7fcb78SPaul Blakey 22550a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 22560a7fcb78SPaul Blakey } 22570a7fcb78SPaul Blakey 225873a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 22590a7fcb78SPaul Blakey return 0; 22600a7fcb78SPaul Blakey 22610a7fcb78SPaul Blakey err_set: 22620a7fcb78SPaul Blakey if (enc_opts_id) 22630a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 22640a7fcb78SPaul Blakey enc_opts_id); 22650a7fcb78SPaul Blakey err_enc_opts: 22660a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 22670a7fcb78SPaul Blakey return err; 22680a7fcb78SPaul Blakey } 22690a7fcb78SPaul Blakey 22700a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 22710a7fcb78SPaul Blakey { 227273a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 227373a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 22740a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 22750a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 22760a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 22770a7fcb78SPaul Blakey 22780a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 22790a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22800a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 22810a7fcb78SPaul Blakey 22820a7fcb78SPaul Blakey if (tun_id) 22830a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 22840a7fcb78SPaul Blakey if (enc_opts_id) 22850a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 22860a7fcb78SPaul Blakey enc_opts_id); 22870a7fcb78SPaul Blakey } 22880a7fcb78SPaul Blakey 2289fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2290fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2291fca53304SEli Britstein void *headers_c, void *headers_v) 22924a5d5d73SEli Britstein { 2293fca53304SEli Britstein bool ip_version_cap; 2294fca53304SEli Britstein 2295fca53304SEli Britstein ip_version_cap = outer ? 2296fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2297fca53304SEli Britstein ft_field_support.outer_ip_version) : 2298fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2299fca53304SEli Britstein ft_field_support.inner_ip_version); 2300fca53304SEli Britstein 2301fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2302fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2303fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2304fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2305fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2306fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2307fca53304SEli Britstein } else { 23084a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 23094a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 23104a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 23114a5d5d73SEli Britstein ntohs(match->key->n_proto)); 23124a5d5d73SEli Britstein } 2313fca53304SEli Britstein } 23144a5d5d73SEli Britstein 23150d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2316a508728aSVlad Buslov { 2317a508728aSVlad Buslov void *headers_v; 2318a508728aSVlad Buslov u16 ethertype; 2319a508728aSVlad Buslov u8 ip_version; 2320a508728aSVlad Buslov 2321a508728aSVlad Buslov if (outer) 2322a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2323a508728aSVlad Buslov else 2324a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2325a508728aSVlad Buslov 2326a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2327a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2328a508728aSVlad Buslov if (!ip_version) { 2329a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2330a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2331a508728aSVlad Buslov ip_version = 4; 2332a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2333a508728aSVlad Buslov ip_version = 6; 2334a508728aSVlad Buslov } 2335a508728aSVlad Buslov return ip_version; 2336a508728aSVlad Buslov } 2337a508728aSVlad Buslov 2338b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2339b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2340b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2341b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2342b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2343b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2344b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2345b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2346b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2347b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2348b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2349b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2350b6dfff21SPaul Blakey * 2351b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2352b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2353b6dfff21SPaul Blakey * 2354b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2355b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2356b6dfff21SPaul Blakey * 2357b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2358b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2359b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2360b6dfff21SPaul Blakey */ 2361b6dfff21SPaul Blakey 2362b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2363b6dfff21SPaul Blakey struct flow_cls_offload *f, 2364b6dfff21SPaul Blakey bool *match_inner_ecn) 2365b6dfff21SPaul Blakey { 2366b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2367b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2368b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2369b6dfff21SPaul Blakey struct flow_match_ip match; 2370b6dfff21SPaul Blakey 2371b6dfff21SPaul Blakey *match_inner_ecn = true; 2372b6dfff21SPaul Blakey 2373b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2374b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2375b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2376b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2377b6dfff21SPaul Blakey } 2378b6dfff21SPaul Blakey 2379b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2380b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2381b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2382b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2383b6dfff21SPaul Blakey } 2384b6dfff21SPaul Blakey 2385b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2386b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2387b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2388b6dfff21SPaul Blakey return -EOPNOTSUPP; 2389b6dfff21SPaul Blakey } 2390b6dfff21SPaul Blakey 2391b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2392b6dfff21SPaul Blakey if (!inner_ecn_mask) 2393b6dfff21SPaul Blakey return 0; 2394b6dfff21SPaul Blakey 2395b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2396b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2397b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2398b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2399b6dfff21SPaul Blakey return -EOPNOTSUPP; 2400b6dfff21SPaul Blakey } 2401b6dfff21SPaul Blakey 2402b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2403b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2404b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2405b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2406b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2407b6dfff21SPaul Blakey return -EOPNOTSUPP; 2408b6dfff21SPaul Blakey } 2409b6dfff21SPaul Blakey 2410b6dfff21SPaul Blakey if (!inner_ecn_mask) 2411b6dfff21SPaul Blakey return 0; 2412b6dfff21SPaul Blakey 2413b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2414b6dfff21SPaul Blakey 2415b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2416b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2417b6dfff21SPaul Blakey 2418b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2419b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2420b6dfff21SPaul Blakey return -EOPNOTSUPP; 2421b6dfff21SPaul Blakey } 2422b6dfff21SPaul Blakey 2423b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2424b6dfff21SPaul Blakey return 0; 2425b6dfff21SPaul Blakey 2426b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2427b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2428b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2429b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2430b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2431b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2432b6dfff21SPaul Blakey return -EOPNOTSUPP; 2433b6dfff21SPaul Blakey } 2434b6dfff21SPaul Blakey 2435b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2436b6dfff21SPaul Blakey * drop match on inner ecn 2437b6dfff21SPaul Blakey */ 2438b6dfff21SPaul Blakey *match_inner_ecn = false; 2439b6dfff21SPaul Blakey 2440b6dfff21SPaul Blakey return 0; 2441b6dfff21SPaul Blakey } 2442b6dfff21SPaul Blakey 24430a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 24440a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 24450a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 24460a7fcb78SPaul Blakey struct flow_cls_offload *f, 24470a7fcb78SPaul Blakey struct net_device *filter_dev, 24480a7fcb78SPaul Blakey u8 *match_level, 24490a7fcb78SPaul Blakey bool *match_inner) 24500a7fcb78SPaul Blakey { 2451a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 24520a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 24530a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 24540a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 24550a7fcb78SPaul Blakey int err; 24560a7fcb78SPaul Blakey 24570885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 24580885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 24590a7fcb78SPaul Blakey return -EOPNOTSUPP; 24600885ae1aSAbhiram R N } 24610a7fcb78SPaul Blakey 2462c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2463ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 24640a7fcb78SPaul Blakey *match_inner = !needs_mapping; 24650a7fcb78SPaul Blakey 24660a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2467636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2468c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2469636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24700a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2471636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24720a7fcb78SPaul Blakey return -EOPNOTSUPP; 24730a7fcb78SPaul Blakey } 24740a7fcb78SPaul Blakey 2475c620b772SAriel Levkovich if (!flow->attr->chain) { 24760a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 24770a7fcb78SPaul Blakey match_level); 24780a7fcb78SPaul Blakey if (err) { 24790a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 24800a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24810a7fcb78SPaul Blakey netdev_warn(priv->netdev, 24820a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24830a7fcb78SPaul Blakey return err; 24840a7fcb78SPaul Blakey } 24850a7fcb78SPaul Blakey 248614e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 248714e6b038SEli Cohen * object 248814e6b038SEli Cohen */ 248914e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2490c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2491a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2492a508728aSVlad Buslov if (err) 2493a508728aSVlad Buslov return err; 2494a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2495a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2496a508728aSVlad Buslov 2497a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2498a508728aSVlad Buslov if (!tmp_spec) { 2499a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2500a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2501a508728aSVlad Buslov return -ENOMEM; 2502a508728aSVlad Buslov } 2503a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2504a508728aSVlad Buslov 2505a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2506a508728aSVlad Buslov if (err) { 2507a508728aSVlad Buslov kvfree(tmp_spec); 2508a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2509a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2510a508728aSVlad Buslov return err; 2511a508728aSVlad Buslov } 2512a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2513a508728aSVlad Buslov kvfree(tmp_spec); 2514a508728aSVlad Buslov if (err) 2515a508728aSVlad Buslov return err; 25160a7fcb78SPaul Blakey } 25170a7fcb78SPaul Blakey 25180a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 25190a7fcb78SPaul Blakey return 0; 25200a7fcb78SPaul Blakey 25210a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 25220a7fcb78SPaul Blakey } 25230a7fcb78SPaul Blakey 25240a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 25250a7fcb78SPaul Blakey { 25260a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 25270a7fcb78SPaul Blakey inner_headers); 25280a7fcb78SPaul Blakey } 25290a7fcb78SPaul Blakey 25300a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 25310a7fcb78SPaul Blakey { 25320a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 25330a7fcb78SPaul Blakey inner_headers); 25340a7fcb78SPaul Blakey } 25350a7fcb78SPaul Blakey 25360a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 25370a7fcb78SPaul Blakey { 25380a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 25390a7fcb78SPaul Blakey outer_headers); 25400a7fcb78SPaul Blakey } 25410a7fcb78SPaul Blakey 25420a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 25430a7fcb78SPaul Blakey { 25440a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 25458377629eSEli Britstein outer_headers); 25468377629eSEli Britstein } 25478377629eSEli Britstein 25488ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 25498377629eSEli Britstein { 25508377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 25510a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 25520a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 25530a7fcb78SPaul Blakey } 25540a7fcb78SPaul Blakey 25558ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 25560a7fcb78SPaul Blakey { 25570a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 25580a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 25590a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 25608377629eSEli Britstein } 25618377629eSEli Britstein 25626d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 25636d65bc64Swenxu struct flow_cls_offload *f) 25646d65bc64Swenxu { 25656d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 25666d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 25676d65bc64Swenxu struct net_device *ingress_dev; 25686d65bc64Swenxu struct flow_match_meta match; 25696d65bc64Swenxu 25706d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 25716d65bc64Swenxu return 0; 25726d65bc64Swenxu 25736d65bc64Swenxu flow_rule_match_meta(rule, &match); 2574e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2575e3e0f9b2Swenxu return 0; 2576e3e0f9b2Swenxu 25776d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 25786d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2579a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25806d65bc64Swenxu } 25816d65bc64Swenxu 25826d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 25836d65bc64Swenxu match.key->ingress_ifindex); 25846d65bc64Swenxu if (!ingress_dev) { 25856d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25866d65bc64Swenxu "Can't find the ingress port to match on"); 2587a683012aSPablo Neira Ayuso return -ENOENT; 25886d65bc64Swenxu } 25896d65bc64Swenxu 25906d65bc64Swenxu if (ingress_dev != filter_dev) { 25916d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25926d65bc64Swenxu "Can't match on the ingress filter port"); 2593a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25946d65bc64Swenxu } 25956d65bc64Swenxu 25966d65bc64Swenxu return 0; 25976d65bc64Swenxu } 25986d65bc64Swenxu 259972046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 260072046a91SEli Cohen struct flow_cls_offload *f) 260172046a91SEli Cohen { 260272046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 260372046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 260472046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 260572046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 260672046a91SEli Cohen */ 260772046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 260872046a91SEli Cohen return true; 260972046a91SEli Cohen 261072046a91SEli Cohen return false; 261172046a91SEli Cohen } 261272046a91SEli Cohen 2613de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 26140a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2615de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2616f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 261754c177caSOz Shlomo struct net_device *filter_dev, 261893b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2619e3a2b7edSAmir Vadai { 2620e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2621c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2622c5bb1730SMaor Gottlieb outer_headers); 2623c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2624c5bb1730SMaor Gottlieb outer_headers); 2625699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2626699e96ddSJianbo Liu misc_parameters); 2627699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2628699e96ddSJianbo Liu misc_parameters); 2629a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2630a3222a2dSMaor Dickman misc_parameters_3); 2631a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2632a3222a2dSMaor Dickman misc_parameters_3); 2633f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26348f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2635afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2636b6dfff21SPaul Blakey bool match_inner_ecn = true; 2637e3a2b7edSAmir Vadai u16 addr_type = 0; 2638e3a2b7edSAmir Vadai u8 ip_proto = 0; 263993b3586eSHuy Nguyen u8 *match_level; 26406d65bc64Swenxu int err; 2641e3a2b7edSAmir Vadai 2642afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 264393b3586eSHuy Nguyen match_level = outer_match_level; 2644de0af0bfSRoi Dayan 26458f256622SPablo Neira Ayuso if (dissector->used_keys & 26463d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 26473d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2648e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2649e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2650095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2651699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2652e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2653e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2654bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2655bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2656bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2657bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2658bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2659e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2660fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2661bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 26624c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 26639272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 266472046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2665a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 266672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2667e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 266848470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 26698f256622SPablo Neira Ayuso dissector->used_keys); 2670e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2671e3a2b7edSAmir Vadai } 2672e3a2b7edSAmir Vadai 2673075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 26740a7fcb78SPaul Blakey bool match_inner = false; 2675bbd00f7eSHadar Hen Zion 26760a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 26770a7fcb78SPaul Blakey outer_match_level, &match_inner); 26780a7fcb78SPaul Blakey if (err) 26790a7fcb78SPaul Blakey return err; 26800a7fcb78SPaul Blakey 26810a7fcb78SPaul Blakey if (match_inner) { 26820a7fcb78SPaul Blakey /* header pointers should point to the inner headers 26830a7fcb78SPaul Blakey * if the packet was decapsulated already. 26840a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2685bbd00f7eSHadar Hen Zion */ 268693b3586eSHuy Nguyen match_level = inner_match_level; 26870a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 26880a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 26890a7fcb78SPaul Blakey } 2690b6dfff21SPaul Blakey 2691b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2692b6dfff21SPaul Blakey if (err) 2693b6dfff21SPaul Blakey return err; 2694bbd00f7eSHadar Hen Zion } 2695bbd00f7eSHadar Hen Zion 26966d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 26976d65bc64Swenxu if (err) 26986d65bc64Swenxu return err; 26996d65bc64Swenxu 270072046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 270172046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 27028f256622SPablo Neira Ayuso struct flow_match_basic match; 2703e3a2b7edSAmir Vadai 27048f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2705fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2706fca53304SEli Britstein match_level == outer_match_level, 2707fca53304SEli Britstein headers_c, headers_v); 27088f256622SPablo Neira Ayuso 27098f256622SPablo Neira Ayuso if (match.mask->n_proto) 2710d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2711e3a2b7edSAmir Vadai } 271235a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 271335a605dbSEli Britstein is_vlan_dev(filter_dev)) { 271435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 271535a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 27168f256622SPablo Neira Ayuso struct flow_match_vlan match; 27178f256622SPablo Neira Ayuso 271835a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 271935a605dbSEli Britstein match.key = &filter_dev_key; 272035a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 272135a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 272235a605dbSEli Britstein match.key->vlan_priority = 0; 272335a605dbSEli Britstein match.mask = &filter_dev_mask; 272435a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 272535a605dbSEli Britstein match.mask->vlan_priority = 0; 272635a605dbSEli Britstein } else { 27278f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 272835a605dbSEli Britstein } 27298f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27308f256622SPablo Neira Ayuso match.mask->vlan_priority || 27318f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 27328f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2733699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2734699e96ddSJianbo Liu svlan_tag, 1); 2735699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2736699e96ddSJianbo Liu svlan_tag, 1); 2737699e96ddSJianbo Liu } else { 2738699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2739699e96ddSJianbo Liu cvlan_tag, 1); 2740699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2741699e96ddSJianbo Liu cvlan_tag, 1); 2742699e96ddSJianbo Liu } 2743095b6cfdSOr Gerlitz 27448f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 27458f256622SPablo Neira Ayuso match.mask->vlan_id); 27468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 27478f256622SPablo Neira Ayuso match.key->vlan_id); 2748358d79a4SOr Gerlitz 27498f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 27508f256622SPablo Neira Ayuso match.mask->vlan_priority); 27518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 27528f256622SPablo Neira Ayuso match.key->vlan_priority); 275354782900SOr Gerlitz 2754d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2755ada09af9SVlad Buslov 2756ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2757ada09af9SVlad Buslov match.mask->vlan_eth_type && 2758ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2759ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2760ada09af9SVlad Buslov fs_type)) { 2761ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2762ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2763ada09af9SVlad Buslov spec->match_criteria_enable |= 2764ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2765ada09af9SVlad Buslov } 2766095b6cfdSOr Gerlitz } 2767d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2768fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2769fc603294SMark Bloch * disabled in match value means both S & C tags 2770fc603294SMark Bloch * don't exist (untagged of both) 2771fc603294SMark Bloch */ 2772cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2773d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2774095b6cfdSOr Gerlitz } 2775095b6cfdSOr Gerlitz 27768f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 27778f256622SPablo Neira Ayuso struct flow_match_vlan match; 27788f256622SPablo Neira Ayuso 277912d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 27808f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27818f256622SPablo Neira Ayuso match.mask->vlan_priority || 27828f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2783afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2784afe93f71SRoi Dayan fs_type)) { 2785afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2786afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2787afe93f71SRoi Dayan return -EOPNOTSUPP; 2788afe93f71SRoi Dayan } 2789afe93f71SRoi Dayan 27908f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2791699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2792699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2793699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2794699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2795699e96ddSJianbo Liu } else { 2796699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2797699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2798699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2799699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2800699e96ddSJianbo Liu } 2801699e96ddSJianbo Liu 2802699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 28038f256622SPablo Neira Ayuso match.mask->vlan_id); 2804699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 28058f256622SPablo Neira Ayuso match.key->vlan_id); 2806699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 28078f256622SPablo Neira Ayuso match.mask->vlan_priority); 2808699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 28098f256622SPablo Neira Ayuso match.key->vlan_priority); 2810699e96ddSJianbo Liu 2811699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 28120faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2813699e96ddSJianbo Liu } 2814699e96ddSJianbo Liu } 2815699e96ddSJianbo Liu 28168f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 28178f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 281854782900SOr Gerlitz 28198f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2820d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2821d3a80bb5SOr Gerlitz dmac_47_16), 28228f256622SPablo Neira Ayuso match.mask->dst); 2823d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2824d3a80bb5SOr Gerlitz dmac_47_16), 28258f256622SPablo Neira Ayuso match.key->dst); 2826d3a80bb5SOr Gerlitz 2827d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2828d3a80bb5SOr Gerlitz smac_47_16), 28298f256622SPablo Neira Ayuso match.mask->src); 2830d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2831d3a80bb5SOr Gerlitz smac_47_16), 28328f256622SPablo Neira Ayuso match.key->src); 2833d3a80bb5SOr Gerlitz 28348f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 28358f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2836d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 283754782900SOr Gerlitz } 283854782900SOr Gerlitz 28398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 28408f256622SPablo Neira Ayuso struct flow_match_control match; 284154782900SOr Gerlitz 28428f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 28438f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 284454782900SOr Gerlitz 284554782900SOr Gerlitz /* the HW doesn't support frag first/later */ 28460885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 28470885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 284854782900SOr Gerlitz return -EOPNOTSUPP; 28490885ae1aSAbhiram R N } 285054782900SOr Gerlitz 28518f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 285254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 285354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 28548f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 285554782900SOr Gerlitz 285654782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 28578f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 285883621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 285954782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 286054782900SOr Gerlitz else 286183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 286254782900SOr Gerlitz } 286354782900SOr Gerlitz } 286454782900SOr Gerlitz 28658f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 28668f256622SPablo Neira Ayuso struct flow_match_basic match; 28678f256622SPablo Neira Ayuso 28688f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 28698f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 287054782900SOr Gerlitz 287154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 28728f256622SPablo Neira Ayuso match.mask->ip_proto); 287354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 28748f256622SPablo Neira Ayuso match.key->ip_proto); 287554782900SOr Gerlitz 28768f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2877d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 287854782900SOr Gerlitz } 287954782900SOr Gerlitz 2880e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 28818f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2882e3a2b7edSAmir Vadai 28838f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2884e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2885e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28868f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2887e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2888e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28898f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2890e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2891e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28928f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2893e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2894e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28958f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2896de0af0bfSRoi Dayan 28978f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2898d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2899e3a2b7edSAmir Vadai } 2900e3a2b7edSAmir Vadai 2901e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 29028f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2903e3a2b7edSAmir Vadai 29048f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2905e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2906e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 29078f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2908e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2909e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 29108f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2911e3a2b7edSAmir Vadai 2912e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2913e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 29148f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2915e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2916e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 29178f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2918de0af0bfSRoi Dayan 29198f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 29208f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2921d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2922e3a2b7edSAmir Vadai } 2923e3a2b7edSAmir Vadai 29248f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 29258f256622SPablo Neira Ayuso struct flow_match_ip match; 29261f97a526SOr Gerlitz 29278f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2928b6dfff21SPaul Blakey if (match_inner_ecn) { 29298f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 29308f256622SPablo Neira Ayuso match.mask->tos & 0x3); 29318f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 29328f256622SPablo Neira Ayuso match.key->tos & 0x3); 2933b6dfff21SPaul Blakey } 29341f97a526SOr Gerlitz 29358f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 29368f256622SPablo Neira Ayuso match.mask->tos >> 2); 29378f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 29388f256622SPablo Neira Ayuso match.key->tos >> 2); 29391f97a526SOr Gerlitz 29408f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 29418f256622SPablo Neira Ayuso match.mask->ttl); 29428f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 29438f256622SPablo Neira Ayuso match.key->ttl); 29441f97a526SOr Gerlitz 29458f256622SPablo Neira Ayuso if (match.mask->ttl && 2946a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2947e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2948e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2949e98bedf5SEli Britstein "Matching on TTL is not supported"); 29501f97a526SOr Gerlitz return -EOPNOTSUPP; 2951e98bedf5SEli Britstein } 2952a8ade55fSOr Gerlitz 29538f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2954d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 29551f97a526SOr Gerlitz } 29561f97a526SOr Gerlitz 295754782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 295854782900SOr Gerlitz 29598f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 29608f256622SPablo Neira Ayuso struct flow_match_ports match; 29618f256622SPablo Neira Ayuso 29628f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2963e3a2b7edSAmir Vadai switch (ip_proto) { 2964e3a2b7edSAmir Vadai case IPPROTO_TCP: 2965e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29668f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2967e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29688f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2969e3a2b7edSAmir Vadai 2970e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29718f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2972e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29738f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2974e3a2b7edSAmir Vadai break; 2975e3a2b7edSAmir Vadai 2976e3a2b7edSAmir Vadai case IPPROTO_UDP: 2977e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29788f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2979e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29808f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2981e3a2b7edSAmir Vadai 2982e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29838f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2984e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29858f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2986e3a2b7edSAmir Vadai break; 2987e3a2b7edSAmir Vadai default: 2988e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2989e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2990e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2991e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2992e3a2b7edSAmir Vadai return -EINVAL; 2993e3a2b7edSAmir Vadai } 2994de0af0bfSRoi Dayan 29958f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2996d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2997e3a2b7edSAmir Vadai } 2998e3a2b7edSAmir Vadai 29998f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 30008f256622SPablo Neira Ayuso struct flow_match_tcp match; 3001e77834ecSOr Gerlitz 30028f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 3003e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 30048f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 3005e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 30068f256622SPablo Neira Ayuso ntohs(match.key->flags)); 3007e77834ecSOr Gerlitz 30088f256622SPablo Neira Ayuso if (match.mask->flags) 3009d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3010e77834ecSOr Gerlitz } 3011a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 3012a3222a2dSMaor Dickman struct flow_match_icmp match; 3013e77834ecSOr Gerlitz 3014a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 3015a3222a2dSMaor Dickman switch (ip_proto) { 3016a3222a2dSMaor Dickman case IPPROTO_ICMP: 3017a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 30180885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 30190885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30200885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 3021a3222a2dSMaor Dickman return -EOPNOTSUPP; 30220885ae1aSAbhiram R N } 3023a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 3024a3222a2dSMaor Dickman match.mask->type); 3025a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 3026a3222a2dSMaor Dickman match.key->type); 3027a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 3028a3222a2dSMaor Dickman match.mask->code); 3029a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 3030a3222a2dSMaor Dickman match.key->code); 3031a3222a2dSMaor Dickman break; 3032a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 3033a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 30340885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 30350885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30360885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 3037a3222a2dSMaor Dickman return -EOPNOTSUPP; 30380885ae1aSAbhiram R N } 3039a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 3040a3222a2dSMaor Dickman match.mask->type); 3041a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 3042a3222a2dSMaor Dickman match.key->type); 3043a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 3044a3222a2dSMaor Dickman match.mask->code); 3045a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 3046a3222a2dSMaor Dickman match.key->code); 3047a3222a2dSMaor Dickman break; 3048a3222a2dSMaor Dickman default: 3049a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 3050a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 3051a3222a2dSMaor Dickman netdev_err(priv->netdev, 3052a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 3053a3222a2dSMaor Dickman return -EINVAL; 3054a3222a2dSMaor Dickman } 3055a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 3056a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 3057a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 3058a3222a2dSMaor Dickman } 3059a3222a2dSMaor Dickman } 306039c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 30617d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 30627d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 30637d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 30647d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 30657d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 30667d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 30677d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 30687d6c86e3SAlaa Hleihel } 30697d6c86e3SAlaa Hleihel 3070e3a2b7edSAmir Vadai return 0; 3071e3a2b7edSAmir Vadai } 3072e3a2b7edSAmir Vadai 3073de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 307465ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3075de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3076f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 307754c177caSOz Shlomo struct net_device *filter_dev) 3078de0af0bfSRoi Dayan { 307993b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3080e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3081de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3082de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 30831d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 30841d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3085226f2ca3SVlad Buslov bool is_eswitch_flow; 3086de0af0bfSRoi Dayan int err; 3087de0af0bfSRoi Dayan 308893b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 308993b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 309093b3586eSHuy Nguyen 30910a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 30920a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 309393b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 309493b3586eSHuy Nguyen outer_match_level : inner_match_level; 3095de0af0bfSRoi Dayan 3096226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3097226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 30981d447a39SSaeed Mahameed rep = rpriv->rep; 3099b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 31001d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 310193b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3102e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3103e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3104de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3105de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 310693b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3107de0af0bfSRoi Dayan return -EOPNOTSUPP; 3108de0af0bfSRoi Dayan } 3109de0af0bfSRoi Dayan } 3110de0af0bfSRoi Dayan 3111c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3112c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3113c620b772SAriel Levkovich 311438aa51c1SOr Gerlitz 3115de0af0bfSRoi Dayan return err; 3116de0af0bfSRoi Dayan } 3117de0af0bfSRoi Dayan 3118d79b6df6SOr Gerlitz struct mlx5_fields { 3119d79b6df6SOr Gerlitz u8 field; 312088f30bbcSDmytro Linkin u8 field_bsize; 312188f30bbcSDmytro Linkin u32 field_mask; 3122d79b6df6SOr Gerlitz u32 offset; 312327c11b6bSEli Britstein u32 match_offset; 3124d79b6df6SOr Gerlitz }; 3125d79b6df6SOr Gerlitz 312688f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 312788f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 312827c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 312927c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 313027c11b6bSEli Britstein 31312ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 31322ef86872SEli Britstein * match. 31332ef86872SEli Britstein */ 31342ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 31352ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 31362ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 31372ef86872SEli Britstein type maskx = *(type *)(maskp); \ 31382ef86872SEli Britstein type valx = *(type *)(valp); \ 31392ef86872SEli Britstein \ 31402ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 31412ef86872SEli Britstein matchmaskx)); \ 31422ef86872SEli Britstein }) 31432ef86872SEli Britstein 314427c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 314588f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 314627c11b6bSEli Britstein { 314727c11b6bSEli Britstein bool same = false; 314827c11b6bSEli Britstein 314988f30bbcSDmytro Linkin switch (bsize) { 315088f30bbcSDmytro Linkin case 8: 31512ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 315227c11b6bSEli Britstein break; 315388f30bbcSDmytro Linkin case 16: 31542ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 315527c11b6bSEli Britstein break; 315688f30bbcSDmytro Linkin case 32: 31572ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 315827c11b6bSEli Britstein break; 315927c11b6bSEli Britstein } 316027c11b6bSEli Britstein 316127c11b6bSEli Britstein return same; 316227c11b6bSEli Britstein } 3163a8e4f0c4SOr Gerlitz 3164d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 316588f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 316688f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 316788f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 316888f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 316988f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 317088f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3171d79b6df6SOr Gerlitz 3172ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 317388f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 317488f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 317588f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3176d79b6df6SOr Gerlitz 317788f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 317827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 317988f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 318027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 318188f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 318227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 318388f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 318427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 318588f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 318627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 318788f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 318827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 318988f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 319027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 319188f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 319227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 319388f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3194748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3195d79b6df6SOr Gerlitz 319688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 319788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 319888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 319988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3200d79b6df6SOr Gerlitz 320188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 320288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3203d79b6df6SOr Gerlitz }; 3204d79b6df6SOr Gerlitz 320582198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 320682198d8bSMaor Dickman { 320782198d8bSMaor Dickman __be32 mask_be32; 320882198d8bSMaor Dickman __be16 mask_be16; 320982198d8bSMaor Dickman 321082198d8bSMaor Dickman if (size == 32) { 321182198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 321282198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 321382198d8bSMaor Dickman } else if (size == 16) { 321482198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 321582198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 321682198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 321782198d8bSMaor Dickman } 321882198d8bSMaor Dickman 321982198d8bSMaor Dickman return mask; 322082198d8bSMaor Dickman } 322109bf9792SRoi Dayan 32226ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 32236ae4a6a5SPaul Blakey int namespace, 3224e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 322527c11b6bSEli Britstein u32 *action_flags, 3226e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3227d79b6df6SOr Gerlitz { 3228d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 322909bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 323088f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 323188f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 32326ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 323382198d8bSMaor Dickman unsigned long mask, field_mask; 32342c0e5cf5SPaul Blakey int i, first, last, next_z; 32352c0e5cf5SPaul Blakey struct mlx5_fields *f; 323688f30bbcSDmytro Linkin u8 cmd; 323788f30bbcSDmytro Linkin 32386ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 32398ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 32408ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3241d79b6df6SOr Gerlitz 324273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 324373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 324473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 324573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3246d79b6df6SOr Gerlitz 3247d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 324827c11b6bSEli Britstein bool skip; 324927c11b6bSEli Britstein 3250d79b6df6SOr Gerlitz f = &fields[i]; 3251d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3252e3ca4e05SOr Gerlitz s_mask = 0; 3253e3ca4e05SOr Gerlitz a_mask = 0; 3254d79b6df6SOr Gerlitz 3255d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3256d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3257d79b6df6SOr Gerlitz 325888f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 325988f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3260d79b6df6SOr Gerlitz 3261d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3262d79b6df6SOr Gerlitz continue; 3263d79b6df6SOr Gerlitz 3264d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3265e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3266e98bedf5SEli Britstein "can't set and add to the same HW field"); 326761b6a6c3SCai Huoqing netdev_warn(priv->netdev, 326861b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 326961b6a6c3SCai Huoqing f->field); 3270d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3271d79b6df6SOr Gerlitz } 3272d79b6df6SOr Gerlitz 327327c11b6bSEli Britstein skip = false; 3274d79b6df6SOr Gerlitz if (s_mask) { 327527c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 327627c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 327727c11b6bSEli Britstein 3278d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3279d79b6df6SOr Gerlitz mask = s_mask; 3280d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 328127c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 328227c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 328388f30bbcSDmytro Linkin match_mask, f->field_bsize)) 328427c11b6bSEli Britstein skip = true; 3285d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 328688f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3287d79b6df6SOr Gerlitz } else { 3288d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3289d79b6df6SOr Gerlitz mask = a_mask; 3290d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 329127c11b6bSEli Britstein /* add 0 is no change */ 329288f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 329327c11b6bSEli Britstein skip = true; 3294d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 329588f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3296d79b6df6SOr Gerlitz } 329727c11b6bSEli Britstein if (skip) 329827c11b6bSEli Britstein continue; 3299d79b6df6SOr Gerlitz 330082198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 33012b64bebaSOr Gerlitz 330288f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 330388f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 330488f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 33052b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3306e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3307e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 330861b6a6c3SCai Huoqing netdev_warn(priv->netdev, 330961b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3310d79b6df6SOr Gerlitz mask); 3311d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3312d79b6df6SOr Gerlitz } 3313d79b6df6SOr Gerlitz 33142c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 33152c0e5cf5SPaul Blakey if (IS_ERR(action)) { 33166ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33176ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 33186ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 33196ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 33206ae4a6a5SPaul Blakey mod_acts->num_actions); 33212c0e5cf5SPaul Blakey return PTR_ERR(action); 33226ae4a6a5SPaul Blakey } 33236ae4a6a5SPaul Blakey 3324d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3325d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3326d79b6df6SOr Gerlitz 3327d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 332888f30bbcSDmytro Linkin int start; 332988f30bbcSDmytro Linkin 333082198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 333182198d8bSMaor Dickman 333288f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 333382198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 333488f30bbcSDmytro Linkin 333588f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3336d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 33372b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3338d79b6df6SOr Gerlitz } 3339d79b6df6SOr Gerlitz 334088f30bbcSDmytro Linkin if (f->field_bsize == 32) 33412b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 334288f30bbcSDmytro Linkin else if (f->field_bsize == 16) 33432b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 334488f30bbcSDmytro Linkin else if (f->field_bsize == 8) 33452b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3346d79b6df6SOr Gerlitz 33476ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3348d79b6df6SOr Gerlitz } 3349d79b6df6SOr Gerlitz 3350d79b6df6SOr Gerlitz return 0; 3351d79b6df6SOr Gerlitz } 3352d79b6df6SOr Gerlitz 3353d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3354d79b6df6SOr Gerlitz 3355918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3356c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3357c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3358c500c86bSPablo Neira Ayuso { 3359c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3360c500c86bSPablo Neira Ayuso u8 cmd; 3361c500c86bSPablo Neira Ayuso 3362d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 336309bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3364d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 336509bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3366b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3367d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3368d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3369918ed7bfSRoi Dayan return -EOPNOTSUPP; 3370918ed7bfSRoi Dayan } 3371918ed7bfSRoi Dayan } 3372918ed7bfSRoi Dayan 3373918ed7bfSRoi Dayan return 0; 3374918ed7bfSRoi Dayan } 3375918ed7bfSRoi Dayan 3376918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3377918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3378918ed7bfSRoi Dayan u32 *action_flags, 3379918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3380918ed7bfSRoi Dayan { 3381918ed7bfSRoi Dayan int err; 3382918ed7bfSRoi Dayan 3383918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3384918ed7bfSRoi Dayan if (err) 3385d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3386918ed7bfSRoi Dayan 3387918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3388918ed7bfSRoi Dayan if (err) 3389918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3390d79b6df6SOr Gerlitz 3391d79b6df6SOr Gerlitz return 0; 3392d79b6df6SOr Gerlitz 3393d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 33942c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3395d79b6df6SOr Gerlitz return err; 3396d79b6df6SOr Gerlitz } 3397d79b6df6SOr Gerlitz 33988998576bSDmytro Linkin struct ip_ttl_word { 33998998576bSDmytro Linkin __u8 ttl; 34008998576bSDmytro Linkin __u8 protocol; 34018998576bSDmytro Linkin __sum16 check; 34028998576bSDmytro Linkin }; 34038998576bSDmytro Linkin 34048998576bSDmytro Linkin struct ipv6_hoplimit_word { 34058998576bSDmytro Linkin __be16 payload_len; 34068998576bSDmytro Linkin __u8 nexthdr; 34078998576bSDmytro Linkin __u8 hop_limit; 34088998576bSDmytro Linkin }; 34098998576bSDmytro Linkin 34101836d780SRoi Dayan static bool 34111836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 34121836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 34134c3844d9SPaul Blakey struct netlink_ext_ack *extack) 34148998576bSDmytro Linkin { 34158998576bSDmytro Linkin u32 mask, offset; 34168998576bSDmytro Linkin u8 htype; 34178998576bSDmytro Linkin 34188998576bSDmytro Linkin htype = act->mangle.htype; 34198998576bSDmytro Linkin offset = act->mangle.offset; 34208998576bSDmytro Linkin mask = ~act->mangle.mask; 34218998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 34228998576bSDmytro Linkin * to determine that modified fields 34238998576bSDmytro Linkin * are NOT ttl & hop_limit only. 34248998576bSDmytro Linkin */ 34258998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 34268998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 34278998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 34288998576bSDmytro Linkin 34298998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 34308998576bSDmytro Linkin ttl_word->protocol || 34318998576bSDmytro Linkin ttl_word->check) { 34324c3844d9SPaul Blakey *modify_ip_header = true; 34334c3844d9SPaul Blakey } 34344c3844d9SPaul Blakey 34357e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 34367e36feebSPaul Blakey *modify_tuple = true; 34377e36feebSPaul Blakey 34387e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 34394c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34404c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 34411836d780SRoi Dayan return false; 34428998576bSDmytro Linkin } 34438998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 34448998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 34458998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 34468998576bSDmytro Linkin 34478998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 34488998576bSDmytro Linkin hoplimit_word->payload_len || 34498998576bSDmytro Linkin hoplimit_word->nexthdr) { 34504c3844d9SPaul Blakey *modify_ip_header = true; 34518998576bSDmytro Linkin } 34524c3844d9SPaul Blakey 34537e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 34547e36feebSPaul Blakey *modify_tuple = true; 34557e36feebSPaul Blakey 34567e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 34574c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34584c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 34591836d780SRoi Dayan return false; 34608998576bSDmytro Linkin } 34617e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 34627e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 34637e36feebSPaul Blakey *modify_tuple = true; 34647e36feebSPaul Blakey if (ct_flow) { 34654c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34664c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 34671836d780SRoi Dayan return false; 34684c3844d9SPaul Blakey } 34697e36feebSPaul Blakey } 34704c3844d9SPaul Blakey 34711836d780SRoi Dayan return true; 34728998576bSDmytro Linkin } 34738998576bSDmytro Linkin 347496b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 347596b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 347696b5b458SDima Chumak struct mlx5e_priv *priv, 347796b5b458SDima Chumak struct mlx5_flow_spec *spec) 347896b5b458SDima Chumak { 347996b5b458SDima Chumak if (!modify_tuple || ct_clear) 348096b5b458SDima Chumak return true; 348196b5b458SDima Chumak 348296b5b458SDima Chumak if (ct_flow) { 348396b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 348496b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 348596b5b458SDima Chumak netdev_info(priv->netdev, 348696b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 348796b5b458SDima Chumak return false; 348896b5b458SDima Chumak } 348996b5b458SDima Chumak 349096b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 349196b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 349296b5b458SDima Chumak * we can't restore ct state 349396b5b458SDima Chumak */ 349496b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 349596b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 349696b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 349796b5b458SDima Chumak netdev_info(priv->netdev, 349896b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 349996b5b458SDima Chumak return false; 350096b5b458SDima Chumak } 350196b5b458SDima Chumak 350296b5b458SDima Chumak return true; 350396b5b458SDima Chumak } 350496b5b458SDima Chumak 35053d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 35063d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 350773867881SPablo Neira Ayuso struct flow_action *flow_action, 35084c3844d9SPaul Blakey u32 actions, bool ct_flow, 35097e36feebSPaul Blakey bool ct_clear, 3510e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3511bdd66ac0SOr Gerlitz { 351273867881SPablo Neira Ayuso const struct flow_action_entry *act; 35137e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3514fca53304SEli Britstein void *headers_c; 3515bdd66ac0SOr Gerlitz void *headers_v; 3516bdd66ac0SOr Gerlitz u16 ethertype; 35178998576bSDmytro Linkin u8 ip_proto; 35181836d780SRoi Dayan int i; 3519bdd66ac0SOr Gerlitz 35208ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 35218ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3522bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3523bdd66ac0SOr Gerlitz 3524bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3525fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3526fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3527bdd66ac0SOr Gerlitz goto out_ok; 3528bdd66ac0SOr Gerlitz 3529bdd66ac0SOr Gerlitz modify_ip_header = false; 35307e36feebSPaul Blakey modify_tuple = false; 353173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 353273867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 353373867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3534bdd66ac0SOr Gerlitz continue; 3535bdd66ac0SOr Gerlitz 35361836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 35377e36feebSPaul Blakey &modify_ip_header, 35381836d780SRoi Dayan &modify_tuple, extack)) 35391836d780SRoi Dayan return false; 3540bdd66ac0SOr Gerlitz } 3541bdd66ac0SOr Gerlitz 354296b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 354396b5b458SDima Chumak priv, spec)) 35447e36feebSPaul Blakey return false; 35457e36feebSPaul Blakey 3546bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 35471ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 35481ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3549e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3550e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 35513d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 35523d486ec4SOz Shlomo ip_proto); 3553bdd66ac0SOr Gerlitz return false; 3554bdd66ac0SOr Gerlitz } 3555bdd66ac0SOr Gerlitz 3556bdd66ac0SOr Gerlitz out_ok: 3557bdd66ac0SOr Gerlitz return true; 3558bdd66ac0SOr Gerlitz } 3559bdd66ac0SOr Gerlitz 35609c1d3511SRoi Dayan static bool 35619c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 35629c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 35639c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 35649c1d3511SRoi Dayan struct netlink_ext_ack *extack) 35659c1d3511SRoi Dayan { 3566d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 35679c1d3511SRoi Dayan bool ct_flow, ct_clear; 35689c1d3511SRoi Dayan 35699c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 35709c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 35719c1d3511SRoi Dayan 3572d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3573d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 35749c1d3511SRoi Dayan /* All registers used by ct are cleared when using 35759c1d3511SRoi Dayan * split rules. 35769c1d3511SRoi Dayan */ 35779c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 35789c1d3511SRoi Dayan return false; 35799c1d3511SRoi Dayan } 35809c1d3511SRoi Dayan 3581d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3582d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3583d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3584d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3585d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3586d4f401d9SRoi Dayan return false; 3587d4f401d9SRoi Dayan } 3588d4f401d9SRoi Dayan 35899c1d3511SRoi Dayan return true; 35909c1d3511SRoi Dayan } 35919c1d3511SRoi Dayan 35929c1d3511SRoi Dayan static bool 35939c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 359473867881SPablo Neira Ayuso struct flow_action *flow_action, 35950610f8dcSRoi Dayan u32 actions, 3596bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3597e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3598e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3599bdd66ac0SOr Gerlitz { 36009c1d3511SRoi Dayan bool ct_flow, ct_clear; 3601bdd66ac0SOr Gerlitz 36029c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3603a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3604c620b772SAriel Levkovich 36059c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 36069c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 36079c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 360849397b80SDan Carpenter return false; 3609bdd66ac0SOr Gerlitz 36109c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 36119c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 36129c1d3511SRoi Dayan return false; 3613bdd66ac0SOr Gerlitz 3614bdd66ac0SOr Gerlitz return true; 3615bdd66ac0SOr Gerlitz } 3616bdd66ac0SOr Gerlitz 361732134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 361832134847SMaor Dickman { 361932134847SMaor Dickman return priv->mdev == peer_priv->mdev; 362032134847SMaor Dickman } 362132134847SMaor Dickman 3622ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 36235c65c564SOr Gerlitz { 36245c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3625816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 36265c65c564SOr Gerlitz 36275c65c564SOr Gerlitz fmdev = priv->mdev; 36285c65c564SOr Gerlitz pmdev = peer_priv->mdev; 36295c65c564SOr Gerlitz 363059c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 363159c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 36325c65c564SOr Gerlitz 3633816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 36345c65c564SOr Gerlitz } 36355c65c564SOr Gerlitz 36360bac1194SEli Britstein static int 3637d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3638d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3639d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3640d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3641d9581e2fSRoi Dayan { 3642d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 364309bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3644d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3645d9581e2fSRoi Dayan int err; 3646d9581e2fSRoi Dayan 3647d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3648d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3649d9581e2fSRoi Dayan return 0; 3650d9581e2fSRoi Dayan 3651e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3652d9581e2fSRoi Dayan 365309bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3654d9581e2fSRoi Dayan if (err) 3655d9581e2fSRoi Dayan return err; 3656d9581e2fSRoi Dayan 3657d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3658d9581e2fSRoi Dayan return 0; 3659d9581e2fSRoi Dayan 3660fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3661d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 36622c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3663d9581e2fSRoi Dayan 3664d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3665d9581e2fSRoi Dayan return 0; 3666d9581e2fSRoi Dayan 3667d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3668d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3669d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3670d9581e2fSRoi Dayan 3671d9581e2fSRoi Dayan return 0; 3672d9581e2fSRoi Dayan } 3673d9581e2fSRoi Dayan 36748300f225SRoi Dayan static struct mlx5_flow_attr* 36758300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 36768300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 36778300f225SRoi Dayan { 36788300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 36798300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 36808300f225SRoi Dayan struct mlx5_flow_attr *attr2; 36818300f225SRoi Dayan 36828300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 36838300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 36848300f225SRoi Dayan if (!attr2 || !parse_attr) { 36858300f225SRoi Dayan kvfree(parse_attr); 36868300f225SRoi Dayan kfree(attr2); 3687371c2b34SDan Carpenter return NULL; 36888300f225SRoi Dayan } 36898300f225SRoi Dayan 36908300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 36918300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 36928300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 36938300f225SRoi Dayan attr2->action = 0; 36948300f225SRoi Dayan attr2->flags = 0; 36958300f225SRoi Dayan attr2->parse_attr = parse_attr; 369694d65173SRoi Dayan attr2->dest_chain = 0; 369794d65173SRoi Dayan attr2->dest_ft = NULL; 36987f1a6d4bSRoi Dayan 36997f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 37007f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 37017f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 37027f1a6d4bSRoi Dayan } 37037f1a6d4bSRoi Dayan 3704f86488cbSOz Shlomo attr2->branch_true = NULL; 3705f86488cbSOz Shlomo attr2->branch_false = NULL; 3706c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 37078300f225SRoi Dayan return attr2; 37088300f225SRoi Dayan } 37098300f225SRoi Dayan 37108300f225SRoi Dayan struct mlx5_flow_attr * 37118300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 37128300f225SRoi Dayan { 37138300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 37148300f225SRoi Dayan struct mlx5_flow_attr *attr; 37158300f225SRoi Dayan int i; 37168300f225SRoi Dayan 37178300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37188300f225SRoi Dayan esw_attr = attr->esw_attr; 37198300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 37208300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 37218300f225SRoi Dayan return attr; 37228300f225SRoi Dayan } 37238300f225SRoi Dayan } 37248300f225SRoi Dayan 37258300f225SRoi Dayan return NULL; 37268300f225SRoi Dayan } 37278300f225SRoi Dayan 37288300f225SRoi Dayan void 37298300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 37308300f225SRoi Dayan { 37318300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37328300f225SRoi Dayan struct mlx5_flow_attr *attr; 37338300f225SRoi Dayan 37348300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37358300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37368300f225SRoi Dayan break; 37378300f225SRoi Dayan 37388300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 37398300f225SRoi Dayan } 37408300f225SRoi Dayan } 37418300f225SRoi Dayan 37428300f225SRoi Dayan static void 37438300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 37448300f225SRoi Dayan { 37458300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 37468300f225SRoi Dayan 37478300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 37488300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37498300f225SRoi Dayan break; 37508300f225SRoi Dayan 3751f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 3752f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3753f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 37548300f225SRoi Dayan 37558300f225SRoi Dayan list_del(&attr->list); 37568300f225SRoi Dayan kvfree(attr->parse_attr); 37578300f225SRoi Dayan kfree(attr); 37588300f225SRoi Dayan } 37598300f225SRoi Dayan } 37608300f225SRoi Dayan 37618300f225SRoi Dayan int 37628300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 37638300f225SRoi Dayan { 37648300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37658300f225SRoi Dayan struct mlx5_flow_attr *attr; 37668300f225SRoi Dayan int err = 0; 37678300f225SRoi Dayan 37688300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37698300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37708300f225SRoi Dayan break; 37718300f225SRoi Dayan 37728300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 37738300f225SRoi Dayan if (err) 37748300f225SRoi Dayan break; 37758300f225SRoi Dayan } 37768300f225SRoi Dayan 37778300f225SRoi Dayan return err; 37788300f225SRoi Dayan } 37798300f225SRoi Dayan 37808300f225SRoi Dayan /* TC filter rule HW translation: 37818300f225SRoi Dayan * 37828300f225SRoi Dayan * +---------------------+ 37838300f225SRoi Dayan * + ft prio (tc chain) + 37848300f225SRoi Dayan * + original match + 37858300f225SRoi Dayan * +---------------------+ 37868300f225SRoi Dayan * | 37878300f225SRoi Dayan * | if multi table action 37888300f225SRoi Dayan * | 37898300f225SRoi Dayan * v 37908300f225SRoi Dayan * +---------------------+ 37918300f225SRoi Dayan * + post act ft |<----. 37928300f225SRoi Dayan * + match fte id | | split on multi table action 37938300f225SRoi Dayan * + do actions |-----' 37948300f225SRoi Dayan * +---------------------+ 37958300f225SRoi Dayan * | 37968300f225SRoi Dayan * | 37978300f225SRoi Dayan * v 37988300f225SRoi Dayan * Do rest of the actions after last multi table action. 37998300f225SRoi Dayan */ 38008300f225SRoi Dayan static int 38018300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 38028300f225SRoi Dayan { 38038300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38048300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 38058300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 38068300f225SRoi Dayan int err; 38078300f225SRoi Dayan 38088300f225SRoi Dayan /* This is going in reverse order as needed. 38098300f225SRoi Dayan * The first entry is the last attribute. 38108300f225SRoi Dayan */ 38118300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38128300f225SRoi Dayan if (!next_attr) { 38138300f225SRoi Dayan /* Set counter action on last post act rule. */ 38148300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3815c84fa1abSOz Shlomo } 3816c84fa1abSOz Shlomo 3817c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 38188300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 38198300f225SRoi Dayan if (err) 38208300f225SRoi Dayan goto out_free; 38218300f225SRoi Dayan } 38228300f225SRoi Dayan 38238300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 38248300f225SRoi Dayan * It's being handled by the caller. 38258300f225SRoi Dayan */ 38268300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38278300f225SRoi Dayan break; 38288300f225SRoi Dayan 38298300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 38308300f225SRoi Dayan if (err) 38318300f225SRoi Dayan goto out_free; 38328300f225SRoi Dayan 38338facc02fSOz Shlomo err = post_process_attr(flow, attr, true, extack); 38348300f225SRoi Dayan if (err) 38358300f225SRoi Dayan goto out_free; 38368300f225SRoi Dayan 38378300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 38388300f225SRoi Dayan if (IS_ERR(handle)) { 38398300f225SRoi Dayan err = PTR_ERR(handle); 38408300f225SRoi Dayan goto out_free; 38418300f225SRoi Dayan } 38428300f225SRoi Dayan 38438300f225SRoi Dayan attr->post_act_handle = handle; 3844c84fa1abSOz Shlomo 3845c84fa1abSOz Shlomo if (attr->jumping_attr) { 3846c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3847c84fa1abSOz Shlomo if (err) 3848c84fa1abSOz Shlomo goto out_free; 3849c84fa1abSOz Shlomo } 3850c84fa1abSOz Shlomo 38518300f225SRoi Dayan next_attr = attr; 38528300f225SRoi Dayan } 38538300f225SRoi Dayan 38548300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 38558300f225SRoi Dayan goto out; 38568300f225SRoi Dayan 38578300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 38588300f225SRoi Dayan if (err) 38598300f225SRoi Dayan goto out_free; 38608300f225SRoi Dayan 38618300f225SRoi Dayan out: 38628300f225SRoi Dayan return 0; 38638300f225SRoi Dayan 38648300f225SRoi Dayan out_free: 38658300f225SRoi Dayan free_flow_post_acts(flow); 38668300f225SRoi Dayan return err; 38678300f225SRoi Dayan } 38688300f225SRoi Dayan 38698300f225SRoi Dayan static int 3870f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 3871f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 3872f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 3873f86488cbSOz Shlomo u32 *jump_count, 3874f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3875f86488cbSOz Shlomo { 3876f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 3877f86488cbSOz Shlomo int err = 0; 3878f86488cbSOz Shlomo 3879f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 3880f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 3881f86488cbSOz Shlomo if (!(*cond_attr)) 3882f86488cbSOz Shlomo return -ENOMEM; 3883f86488cbSOz Shlomo 3884f86488cbSOz Shlomo attr = *cond_attr; 3885f86488cbSOz Shlomo 3886f86488cbSOz Shlomo switch (cond->act_id) { 3887f86488cbSOz Shlomo case FLOW_ACTION_DROP: 3888f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3889f86488cbSOz Shlomo break; 3890f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 3891f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 3892f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3893f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3894f86488cbSOz Shlomo break; 3895f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 3896f86488cbSOz Shlomo if (*jump_count) { 3897f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 3898f86488cbSOz Shlomo err = -EOPNOTSUPP; 3899f86488cbSOz Shlomo goto out_err; 3900f86488cbSOz Shlomo } 3901f86488cbSOz Shlomo *jump_count = cond->extval; 3902f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3903f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3904f86488cbSOz Shlomo break; 3905f86488cbSOz Shlomo default: 3906f86488cbSOz Shlomo err = -EOPNOTSUPP; 3907f86488cbSOz Shlomo goto out_err; 3908f86488cbSOz Shlomo } 3909f86488cbSOz Shlomo 3910f86488cbSOz Shlomo return err; 3911f86488cbSOz Shlomo out_err: 3912f86488cbSOz Shlomo kfree(*cond_attr); 3913f86488cbSOz Shlomo *cond_attr = NULL; 3914f86488cbSOz Shlomo return err; 3915f86488cbSOz Shlomo } 3916f86488cbSOz Shlomo 3917c84fa1abSOz Shlomo static void 3918c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3919c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 3920c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 3921c84fa1abSOz Shlomo { 3922c84fa1abSOz Shlomo if (!jump_state->jump_count) 3923c84fa1abSOz Shlomo return; 3924c84fa1abSOz Shlomo 3925c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 3926c84fa1abSOz Shlomo * Jump only over a tc action 3927c84fa1abSOz Shlomo */ 3928c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 3929c84fa1abSOz Shlomo return; 3930c84fa1abSOz Shlomo 3931c84fa1abSOz Shlomo jump_state->last_id = act->id; 3932c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 3933c84fa1abSOz Shlomo 3934c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 3935c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 3936c84fa1abSOz Shlomo return; 3937c84fa1abSOz Shlomo 3938c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 3939c84fa1abSOz Shlomo 3940c84fa1abSOz Shlomo /* create a new attribute after this action */ 3941c84fa1abSOz Shlomo jump_state->jump_target = true; 3942c84fa1abSOz Shlomo 3943c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 3944c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 3945c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3946c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 3947c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 3948c84fa1abSOz Shlomo 3949c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3950c84fa1abSOz Shlomo post_act = get_post_action(priv); 3951c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 3952c84fa1abSOz Shlomo } 3953c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 3954c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 3955c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 3956c84fa1abSOz Shlomo */ 3957c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 3958c84fa1abSOz Shlomo } 3959c84fa1abSOz Shlomo } 3960c84fa1abSOz Shlomo 3961f86488cbSOz Shlomo static int 3962f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3963f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 3964c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 3965f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3966f86488cbSOz Shlomo { 3967f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 3968c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 3969f86488cbSOz Shlomo int err; 3970f86488cbSOz Shlomo 3971f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 3972f86488cbSOz Shlomo return 0; 3973f86488cbSOz Shlomo 3974f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 3975f86488cbSOz Shlomo 3976f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 3977f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 3978f86488cbSOz Shlomo if (err) 3979f86488cbSOz Shlomo goto out_err; 3980f86488cbSOz Shlomo 3981c84fa1abSOz Shlomo if (jump_count) 3982c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 3983c84fa1abSOz Shlomo 3984f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 3985f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 3986f86488cbSOz Shlomo if (err) 3987f86488cbSOz Shlomo goto err_branch_false; 3988f86488cbSOz Shlomo 3989c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 3990c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 3991c84fa1abSOz Shlomo 3992c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 3993f86488cbSOz Shlomo return 0; 3994f86488cbSOz Shlomo 3995f86488cbSOz Shlomo err_branch_false: 3996f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3997f86488cbSOz Shlomo out_err: 3998f86488cbSOz Shlomo return err; 3999f86488cbSOz Shlomo } 4000f86488cbSOz Shlomo 4001f86488cbSOz Shlomo static int 40028300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 40038300f225SRoi Dayan struct flow_action *flow_action) 40048300f225SRoi Dayan { 40058300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 40068300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 40078300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 4008c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 40098300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 40108300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 40118300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 40128300f225SRoi Dayan struct flow_action_entry *act, **_act; 40138300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 40148300f225SRoi Dayan int err, i; 40158300f225SRoi Dayan 40168300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 40178300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 40188300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 40198300f225SRoi Dayan if (!flow_action_reorder.entries) 40208300f225SRoi Dayan return -ENOMEM; 40218300f225SRoi Dayan 40228300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 40238300f225SRoi Dayan 40248300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 40258300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 40268300f225SRoi Dayan 40278300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 4028c84fa1abSOz Shlomo jump_state.jump_target = false; 40298300f225SRoi Dayan act = *_act; 40308300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 40318300f225SRoi Dayan if (!tc_act) { 40328300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 40338300f225SRoi Dayan err = -EOPNOTSUPP; 40348300f225SRoi Dayan goto out_free; 40358300f225SRoi Dayan } 40368300f225SRoi Dayan 40378300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 40388300f225SRoi Dayan err = -EOPNOTSUPP; 40398300f225SRoi Dayan goto out_free; 40408300f225SRoi Dayan } 40418300f225SRoi Dayan 40428300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 40438300f225SRoi Dayan if (err) 40448300f225SRoi Dayan goto out_free; 40458300f225SRoi Dayan 4046c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 4047c84fa1abSOz Shlomo 4048c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 4049f86488cbSOz Shlomo if (err) 4050f86488cbSOz Shlomo goto out_free; 4051f86488cbSOz Shlomo 40528300f225SRoi Dayan parse_state->actions |= attr->action; 40538300f225SRoi Dayan 40548300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 4055c84fa1abSOz Shlomo if (jump_state.jump_target || 4056c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 40578300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 4058c84fa1abSOz Shlomo i < flow_action_reorder.num_entries - 1)) { 40598300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 40608300f225SRoi Dayan if (err) 40618300f225SRoi Dayan goto out_free; 40628300f225SRoi Dayan 40638300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 40648300f225SRoi Dayan if (!attr) { 40658300f225SRoi Dayan err = -ENOMEM; 40668300f225SRoi Dayan goto out_free; 40678300f225SRoi Dayan } 40688300f225SRoi Dayan 40698300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 40708300f225SRoi Dayan } 40718300f225SRoi Dayan } 40728300f225SRoi Dayan 40738300f225SRoi Dayan kfree(flow_action_reorder.entries); 40748300f225SRoi Dayan 40758300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 40768300f225SRoi Dayan if (err) 40778300f225SRoi Dayan goto out_free_post_acts; 40788300f225SRoi Dayan 40798300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 40808300f225SRoi Dayan if (err) 40818300f225SRoi Dayan goto out_free_post_acts; 40828300f225SRoi Dayan 40838300f225SRoi Dayan return 0; 40848300f225SRoi Dayan 40858300f225SRoi Dayan out_free: 40868300f225SRoi Dayan kfree(flow_action_reorder.entries); 40878300f225SRoi Dayan out_free_post_acts: 40888300f225SRoi Dayan free_flow_post_acts(flow); 40898300f225SRoi Dayan 40908300f225SRoi Dayan return err; 40918300f225SRoi Dayan } 40928300f225SRoi Dayan 4093d9581e2fSRoi Dayan static int 4094df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 4095df990477SRoi Dayan struct netlink_ext_ack *extack) 4096df990477SRoi Dayan { 4097df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 4098df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 4099df990477SRoi Dayan return -EINVAL; 4100df990477SRoi Dayan } 4101df990477SRoi Dayan 4102df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 4103df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 4104df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4105df990477SRoi Dayan return -EOPNOTSUPP; 4106df990477SRoi Dayan } 4107df990477SRoi Dayan 4108df990477SRoi Dayan return 0; 4109df990477SRoi Dayan } 4110df990477SRoi Dayan 4111df990477SRoi Dayan static int 4112d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 411373867881SPablo Neira Ayuso struct flow_action *flow_action, 4114e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 4115e98bedf5SEli Britstein struct netlink_ext_ack *extack) 4116e3a2b7edSAmir Vadai { 4117fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4118c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4119c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 41208333d53eSRoi Dayan int err; 4121e3a2b7edSAmir Vadai 4122df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4123df990477SRoi Dayan if (err) 4124df990477SRoi Dayan return err; 4125319a1d19SJiri Pirko 4126fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 4127c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 4128fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4129fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4130758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4131e3a2b7edSAmir Vadai 41328333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4133fad54790SRoi Dayan if (err) 4134fad54790SRoi Dayan return err; 4135e3a2b7edSAmir Vadai 413609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4137d9581e2fSRoi Dayan if (err) 4138d9581e2fSRoi Dayan return err; 4139d9581e2fSRoi Dayan 414064426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 414164426382SOz Shlomo if (err) 414264426382SOz Shlomo return err; 414364426382SOz Shlomo 41440610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 41450610f8dcSRoi Dayan parse_attr, flow, extack)) 4146bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4147bdd66ac0SOr Gerlitz 4148e3a2b7edSAmir Vadai return 0; 4149e3a2b7edSAmir Vadai } 4150e3a2b7edSAmir Vadai 415132134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4152b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4153b1d90e6bSRabie Loulou { 4154b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4155b1d90e6bSRabie Loulou 4156b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4157b1d90e6bSRabie Loulou 4158b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 415932134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 416032134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4161ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4162d34eb2fcSOr Gerlitz } 4163d34eb2fcSOr Gerlitz 416432134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 416532134847SMaor Dickman struct net_device *peer_netdev) 416632134847SMaor Dickman { 416732134847SMaor Dickman struct mlx5e_priv *peer_priv; 416832134847SMaor Dickman 416932134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 417032134847SMaor Dickman 417132134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 417232134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4173ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 417432134847SMaor Dickman } 417532134847SMaor Dickman 417632134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 417732134847SMaor Dickman struct net_device *peer_netdev) 417832134847SMaor Dickman { 417932134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 418032134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 418132134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 418232134847SMaor Dickman } 418332134847SMaor Dickman 418494db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 418594db3317SEli Cohen { 4186d6c13d74SEli Cohen if (same_hw_reps(priv, out_dev) && 418794db3317SEli Cohen MLX5_CAP_PORT_SELECTION(priv->mdev, port_select_flow_table) && 418894db3317SEli Cohen MLX5_CAP_GEN(priv->mdev, create_lag_when_not_master_up)) 418994db3317SEli Cohen return true; 419094db3317SEli Cohen 419194db3317SEli Cohen return false; 419294db3317SEli Cohen } 419394db3317SEli Cohen 4194f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4195f6dc1264SPaul Blakey struct net_device *out_dev) 4196f6dc1264SPaul Blakey { 419732134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 419832134847SMaor Dickman return true; 419932134847SMaor Dickman 420094db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 420194db3317SEli Cohen return true; 420294db3317SEli Cohen 420332134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4204f6dc1264SPaul Blakey return true; 4205f6dc1264SPaul Blakey 4206f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 420732134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4208f6dc1264SPaul Blakey } 4209f6dc1264SPaul Blakey 421027484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 421127484f71SAriel Levkovich struct mlx5_flow_attr *attr, 421227484f71SAriel Levkovich int ifindex, 421327484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 421427484f71SAriel Levkovich u32 *action, 421527484f71SAriel Levkovich int out_index) 421627484f71SAriel Levkovich { 421727484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 421827484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 421927484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 422027484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 422127484f71SAriel Levkovich int err; 422227484f71SAriel Levkovich 422327484f71SAriel Levkovich parse_attr = attr->parse_attr; 422427484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 422527484f71SAriel Levkovich 422627484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 422727484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 422827484f71SAriel Levkovich return PTR_ERR(dest_int_port); 422927484f71SAriel Levkovich 423027484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 423127484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 423227484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 423327484f71SAriel Levkovich if (err) { 423427484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 423527484f71SAriel Levkovich return err; 423627484f71SAriel Levkovich } 423727484f71SAriel Levkovich 423827484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 423927484f71SAriel Levkovich 424027484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 424127484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 424227484f71SAriel Levkovich 424327484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 424427484f71SAriel Levkovich attr->dest_chain = 0; 424527484f71SAriel Levkovich 424627484f71SAriel Levkovich return 0; 424727484f71SAriel Levkovich } 424827484f71SAriel Levkovich 42498333d53eSRoi Dayan static int 42508333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 425173867881SPablo Neira Ayuso struct flow_action *flow_action, 4252e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 425370f8019eSRoi Dayan struct netlink_ext_ack *extack) 4254a54e20b4SHadar Hen Zion { 4255fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4256c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4257c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4258c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4259f382a241SAriel Levkovich struct net_device *filter_dev; 42608333d53eSRoi Dayan int err; 426103a9d11eSOr Gerlitz 4262df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4263df990477SRoi Dayan if (err) 4264df990477SRoi Dayan return err; 4265319a1d19SJiri Pirko 4266c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4267c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4268f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4269fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4270fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4271758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4272c620b772SAriel Levkovich 42738333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4274fad54790SRoi Dayan if (err) 4275fad54790SRoi Dayan return err; 4276bdd66ac0SOr Gerlitz 4277166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4278f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4279166f431eSAriel Levkovich esw_attr->out_count > 1) { 428027484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4281166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 428227484f71SAriel Levkovich return -EOPNOTSUPP; 428327484f71SAriel Levkovich } 428427484f71SAriel Levkovich 4285f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4286f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4287f382a241SAriel Levkovich esw_attr->dest_int_port) { 4288f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4289f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4290f382a241SAriel Levkovich return -EOPNOTSUPP; 4291f382a241SAriel Levkovich } 4292f382a241SAriel Levkovich 429309bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4294c500c86bSPablo Neira Ayuso if (err) 4295c500c86bSPablo Neira Ayuso return err; 4296c500c86bSPablo Neira Ayuso 42970610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 42980610f8dcSRoi Dayan parse_attr, flow, extack)) 4299bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4300bdd66ac0SOr Gerlitz 430131c8eba5SOr Gerlitz return 0; 430203a9d11eSOr Gerlitz } 430303a9d11eSOr Gerlitz 4304226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 430560bd4af8SOr Gerlitz { 4306226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 430760bd4af8SOr Gerlitz 4308226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4309226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4310226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4311226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 431260bd4af8SOr Gerlitz 4313226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4314226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4315226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4316226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 431784179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 431884179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4319d9ee0491SOr Gerlitz 432060bd4af8SOr Gerlitz *flow_flags = __flow_flags; 432160bd4af8SOr Gerlitz } 432260bd4af8SOr Gerlitz 432305866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 432405866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 432505866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 432605866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 432705866c82SOr Gerlitz .automatic_shrinking = true, 432805866c82SOr Gerlitz }; 432905866c82SOr Gerlitz 4330226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4331226f2ca3SVlad Buslov unsigned long flags) 433205866c82SOr Gerlitz { 4333f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4334d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4335655dc3d2SOr Gerlitz 4336226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4337d1a3138fSPaul Blakey rpriv = priv->ppriv; 4338d1a3138fSPaul Blakey return &rpriv->tc_ht; 4339d9ee0491SOr Gerlitz } else /* NIC offload */ 4340f52f2faeSLama Kayal return &tc->ht; 434105866c82SOr Gerlitz } 434205866c82SOr Gerlitz 434304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 434404de7ddaSRoi Dayan { 4345c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4346c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4347c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4348226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 43491418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 43501418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4351c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 43521418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 43531418ddd9SAviv Heller 435410fbb1cdSRoi Dayan if (!esw_paired) 435510fbb1cdSRoi Dayan return false; 435610fbb1cdSRoi Dayan 4357c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4358c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 435910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 436010fbb1cdSRoi Dayan return true; 436110fbb1cdSRoi Dayan 436210fbb1cdSRoi Dayan return false; 436304de7ddaSRoi Dayan } 436404de7ddaSRoi Dayan 4365c620b772SAriel Levkovich struct mlx5_flow_attr * 4366c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4367c620b772SAriel Levkovich { 4368c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4369c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4370c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4371c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4372c620b772SAriel Levkovich 43738300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 43748300f225SRoi Dayan if (!attr) 43758300f225SRoi Dayan return attr; 43768300f225SRoi Dayan 43778300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 43788300f225SRoi Dayan return attr; 4379c620b772SAriel Levkovich } 4380c620b772SAriel Levkovich 4381f86488cbSOz Shlomo static void 4382f86488cbSOz Shlomo mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4383f86488cbSOz Shlomo { 4384f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4385f86488cbSOz Shlomo bool vf_tun; 4386f86488cbSOz Shlomo 4387f86488cbSOz Shlomo if (!attr) 4388f86488cbSOz Shlomo return; 4389f86488cbSOz Shlomo 4390f86488cbSOz Shlomo if (attr->post_act_handle) 4391f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4392f86488cbSOz Shlomo 4393f86488cbSOz Shlomo clean_encap_dests(flow->priv, flow, attr, &vf_tun); 4394f86488cbSOz Shlomo 4395f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4396f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4397f86488cbSOz Shlomo 4398f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4399f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4400f86488cbSOz Shlomo if (attr->modify_hdr) 4401f86488cbSOz Shlomo mlx5_modify_header_dealloc(flow->priv->mdev, attr->modify_hdr); 4402f86488cbSOz Shlomo } 4403f86488cbSOz Shlomo } 4404f86488cbSOz Shlomo 4405a88780a9SRoi Dayan static int 4406a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4407226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4408a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4409a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4410e3a2b7edSAmir Vadai { 441117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4412c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 44133bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4414ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4415ff7ea04aSGustavo A. R. Silva int out_index; 4416776b12b6SOr Gerlitz 4417c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 44181b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4419ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4420ff7ea04aSGustavo A. R. Silva goto err_free; 4421c620b772SAriel Levkovich 4422c620b772SAriel Levkovich flow->flags = flow_flags; 4423c620b772SAriel Levkovich flow->cookie = f->cookie; 4424c620b772SAriel Levkovich flow->priv = priv; 4425c620b772SAriel Levkovich 4426e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4427ff7ea04aSGustavo A. R. Silva if (!attr) 4428e3a2b7edSAmir Vadai goto err_free; 4429ff7ea04aSGustavo A. R. Silva 4430c620b772SAriel Levkovich flow->attr = attr; 4431e3a2b7edSAmir Vadai 44325a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 44335a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 44345a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 443514e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 44368300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 44375a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 443895435ad7SVlad Buslov init_completion(&flow->init_done); 4439362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4440e3a2b7edSAmir Vadai 4441a88780a9SRoi Dayan *__flow = flow; 4442a88780a9SRoi Dayan *__parse_attr = parse_attr; 4443a88780a9SRoi Dayan 4444a88780a9SRoi Dayan return 0; 4445a88780a9SRoi Dayan 4446a88780a9SRoi Dayan err_free: 4447a88780a9SRoi Dayan kfree(flow); 4448a88780a9SRoi Dayan kvfree(parse_attr); 4449a88780a9SRoi Dayan return err; 4450adb4c123SOr Gerlitz } 4451adb4c123SOr Gerlitz 4452988ab9c7STonghao Zhang static void 4453c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4454c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4455c7569097SAriel Levkovich struct flow_cls_offload *f) 4456c7569097SAriel Levkovich { 4457c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4458c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4459c7569097SAriel Levkovich attr->prio = f->common.prio; 4460c7569097SAriel Levkovich } 4461c7569097SAriel Levkovich 4462c7569097SAriel Levkovich static void 4463c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4464988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4465988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4466f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4467988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4468988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4469988ab9c7STonghao Zhang { 4470988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4471c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4472988ab9c7STonghao Zhang 4473c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4474988ab9c7STonghao Zhang 4475988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4476988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4477988ab9c7STonghao Zhang 4478988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4479988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4480988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4481988ab9c7STonghao Zhang else 4482988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4483988ab9c7STonghao Zhang } 4484988ab9c7STonghao Zhang 448571129676SJason Gunthorpe static struct mlx5e_tc_flow * 448604de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4487f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4488226f2ca3SVlad Buslov unsigned long flow_flags, 4489d11afc26SOz Shlomo struct net_device *filter_dev, 449004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 449171129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4492a88780a9SRoi Dayan { 4493f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 449494db3317SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4495a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4496a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4497a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4498a88780a9SRoi Dayan int attr_size, err; 4499a88780a9SRoi Dayan 4500226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4501a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4502a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4503a88780a9SRoi Dayan &parse_attr, &flow); 4504a88780a9SRoi Dayan if (err) 4505a88780a9SRoi Dayan goto out; 4506988ab9c7STonghao Zhang 4507d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4508c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4509988ab9c7STonghao Zhang priv, parse_attr, 4510988ab9c7STonghao Zhang f, in_rep, in_mdev); 4511988ab9c7STonghao Zhang 451254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 451354c177caSOz Shlomo f, filter_dev); 4514d11afc26SOz Shlomo if (err) 4515d11afc26SOz Shlomo goto err_free; 4516a88780a9SRoi Dayan 45177e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4518aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4519c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4520a88780a9SRoi Dayan if (err) 4521a88780a9SRoi Dayan goto err_free; 4522a88780a9SRoi Dayan 4523d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 4524d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4525d4bb0531SRoi Dayan 452670f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 45274c3844d9SPaul Blakey if (err) 45284c3844d9SPaul Blakey goto err_free; 45294c3844d9SPaul Blakey 453094db3317SEli Cohen if (flow->attr->lag.count) { 453194db3317SEli Cohen err = mlx5_lag_add_mpesw_rule(esw->dev); 453294db3317SEli Cohen if (err) 453394db3317SEli Cohen goto err_free; 453494db3317SEli Cohen } 453594db3317SEli Cohen 45367040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 453795435ad7SVlad Buslov complete_all(&flow->init_done); 4538ef06c9eeSRoi Dayan if (err) { 4539ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 454094db3317SEli Cohen goto err_lag; 45415c40348cSOr Gerlitz 4542b4a23329SRoi Dayan add_unready_flow(flow); 4543ef06c9eeSRoi Dayan } 4544ef06c9eeSRoi Dayan 454571129676SJason Gunthorpe return flow; 4546e3a2b7edSAmir Vadai 454794db3317SEli Cohen err_lag: 454894db3317SEli Cohen if (flow->attr->lag.count) 454994db3317SEli Cohen mlx5_lag_del_mpesw_rule(esw->dev); 4550e3a2b7edSAmir Vadai err_free: 45515a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4552a88780a9SRoi Dayan out: 455371129676SJason Gunthorpe return ERR_PTR(err); 4554a88780a9SRoi Dayan } 4555a88780a9SRoi Dayan 4556f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 455795dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4558226f2ca3SVlad Buslov unsigned long flow_flags) 455904de7ddaSRoi Dayan { 456004de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 456104de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4562c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 456304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 456404de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 456504de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 456604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 456704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 456804de7ddaSRoi Dayan int err = 0; 456904de7ddaSRoi Dayan 457004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 457104de7ddaSRoi Dayan if (!peer_esw) 457204de7ddaSRoi Dayan return -ENODEV; 457304de7ddaSRoi Dayan 457404de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 457504de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 457604de7ddaSRoi Dayan 457704de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 457804de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 457904de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 458004de7ddaSRoi Dayan * peer mdev. 458104de7ddaSRoi Dayan */ 4582c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 458304de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 458404de7ddaSRoi Dayan else 458504de7ddaSRoi Dayan in_mdev = priv->mdev; 458604de7ddaSRoi Dayan 4587c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 458895dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 458904de7ddaSRoi Dayan parse_attr->filter_dev, 4590c620b772SAriel Levkovich attr->in_rep, in_mdev); 459171129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 459271129676SJason Gunthorpe err = PTR_ERR(peer_flow); 459304de7ddaSRoi Dayan goto out; 459471129676SJason Gunthorpe } 459504de7ddaSRoi Dayan 459604de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4597226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 459804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 459904de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 460004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 460104de7ddaSRoi Dayan 460204de7ddaSRoi Dayan out: 460304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 460404de7ddaSRoi Dayan return err; 460504de7ddaSRoi Dayan } 460604de7ddaSRoi Dayan 460704de7ddaSRoi Dayan static int 460804de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4609f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4610226f2ca3SVlad Buslov unsigned long flow_flags, 461104de7ddaSRoi Dayan struct net_device *filter_dev, 461204de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 461304de7ddaSRoi Dayan { 461404de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 461504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 461604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 461704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 461804de7ddaSRoi Dayan int err; 461904de7ddaSRoi Dayan 462071129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 462171129676SJason Gunthorpe in_mdev); 462271129676SJason Gunthorpe if (IS_ERR(flow)) 462371129676SJason Gunthorpe return PTR_ERR(flow); 462404de7ddaSRoi Dayan 462504de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 462695dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 462704de7ddaSRoi Dayan if (err) { 462804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 462904de7ddaSRoi Dayan goto out; 463004de7ddaSRoi Dayan } 463104de7ddaSRoi Dayan } 463204de7ddaSRoi Dayan 463304de7ddaSRoi Dayan *__flow = flow; 463404de7ddaSRoi Dayan 463504de7ddaSRoi Dayan return 0; 463604de7ddaSRoi Dayan 463704de7ddaSRoi Dayan out: 463804de7ddaSRoi Dayan return err; 463904de7ddaSRoi Dayan } 464004de7ddaSRoi Dayan 4641a88780a9SRoi Dayan static int 4642a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4643f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4644226f2ca3SVlad Buslov unsigned long flow_flags, 4645d11afc26SOz Shlomo struct net_device *filter_dev, 4646a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4647a88780a9SRoi Dayan { 4648f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4649a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4650a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4651a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4652a88780a9SRoi Dayan int attr_size, err; 4653a88780a9SRoi Dayan 4654c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4655bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4656bf07aa73SPaul Blakey return -EOPNOTSUPP; 4657c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4658c7569097SAriel Levkovich return -EOPNOTSUPP; 4659c7569097SAriel Levkovich } 4660bf07aa73SPaul Blakey 4661226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4662a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4663a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4664a88780a9SRoi Dayan &parse_attr, &flow); 4665a88780a9SRoi Dayan if (err) 4666a88780a9SRoi Dayan goto out; 4667a88780a9SRoi Dayan 4668d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4669c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4670c7569097SAriel Levkovich 467154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 467254c177caSOz Shlomo f, filter_dev); 4673d11afc26SOz Shlomo if (err) 4674d11afc26SOz Shlomo goto err_free; 4675d11afc26SOz Shlomo 4676aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4677aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4678aedd133dSAriel Levkovich if (err) 4679aedd133dSAriel Levkovich goto err_free; 4680aedd133dSAriel Levkovich 4681c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4682a88780a9SRoi Dayan if (err) 4683a88780a9SRoi Dayan goto err_free; 4684a88780a9SRoi Dayan 4685c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4686a88780a9SRoi Dayan if (err) 4687a88780a9SRoi Dayan goto err_free; 4688a88780a9SRoi Dayan 4689226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4690a88780a9SRoi Dayan *__flow = flow; 4691a88780a9SRoi Dayan 4692a88780a9SRoi Dayan return 0; 4693a88780a9SRoi Dayan 4694a88780a9SRoi Dayan err_free: 46958914add2SVlad Buslov flow_flag_set(flow, FAILED); 46962c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 46975a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4698a88780a9SRoi Dayan out: 4699a88780a9SRoi Dayan return err; 4700a88780a9SRoi Dayan } 4701a88780a9SRoi Dayan 4702a88780a9SRoi Dayan static int 4703a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4704f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4705226f2ca3SVlad Buslov unsigned long flags, 4706d11afc26SOz Shlomo struct net_device *filter_dev, 4707a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4708a88780a9SRoi Dayan { 4709a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4710226f2ca3SVlad Buslov unsigned long flow_flags; 4711a88780a9SRoi Dayan int err; 4712a88780a9SRoi Dayan 4713a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4714a88780a9SRoi Dayan 4715bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4716bf07aa73SPaul Blakey return -EOPNOTSUPP; 4717bf07aa73SPaul Blakey 4718f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4719d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4720d11afc26SOz Shlomo filter_dev, flow); 4721a88780a9SRoi Dayan else 4722d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4723d11afc26SOz Shlomo filter_dev, flow); 4724a88780a9SRoi Dayan 4725a88780a9SRoi Dayan return err; 4726a88780a9SRoi Dayan } 4727a88780a9SRoi Dayan 4728553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4729553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4730553f9328SVu Pham { 4731553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 47322fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 47332fb15e72SVlad Buslov * function is called from NIC mode. 4734553f9328SVu Pham */ 47352fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4736553f9328SVu Pham } 4737553f9328SVu Pham 473871d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4739226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4740a88780a9SRoi Dayan { 4741a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4742d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4743553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4744a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4745a88780a9SRoi Dayan int err = 0; 4746a88780a9SRoi Dayan 47477dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4748794131c4SJianbo Liu return -EBUSY; 47497dc84de9SRoi Dayan 47507dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 47517dc84de9SRoi Dayan 4752c5d326b2SVlad Buslov rcu_read_lock(); 4753c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4754a88780a9SRoi Dayan if (flow) { 4755553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4756553f9328SVu Pham * just return 0. 4757553f9328SVu Pham */ 4758553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4759c1aea9e1SVlad Buslov goto rcu_unlock; 4760553f9328SVu Pham 4761a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4762a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4763a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4764a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4765a88780a9SRoi Dayan f->cookie); 47660e1c1a2fSVlad Buslov err = -EEXIST; 4767c1aea9e1SVlad Buslov goto rcu_unlock; 4768a88780a9SRoi Dayan } 4769c1aea9e1SVlad Buslov rcu_unlock: 4770c1aea9e1SVlad Buslov rcu_read_unlock(); 4771c1aea9e1SVlad Buslov if (flow) 4772c1aea9e1SVlad Buslov goto out; 4773a88780a9SRoi Dayan 47747a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4775d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4776a88780a9SRoi Dayan if (err) 4777a88780a9SRoi Dayan goto out; 4778a88780a9SRoi Dayan 4779553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4780553f9328SVu Pham * set the flow's owner dev. 4781553f9328SVu Pham */ 4782553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4783553f9328SVu Pham flow->orig_dev = dev; 4784553f9328SVu Pham 4785c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4786a88780a9SRoi Dayan if (err) 4787a88780a9SRoi Dayan goto err_free; 4788a88780a9SRoi Dayan 47897dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4790a88780a9SRoi Dayan return 0; 4791a88780a9SRoi Dayan 4792a88780a9SRoi Dayan err_free: 47935a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4794a88780a9SRoi Dayan out: 47957dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 47967dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4797e3a2b7edSAmir Vadai return err; 4798e3a2b7edSAmir Vadai } 4799e3a2b7edSAmir Vadai 48008f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 48018f8ae895SOr Gerlitz { 4802226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4803226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 48048f8ae895SOr Gerlitz 4805226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4806226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 48078f8ae895SOr Gerlitz } 48088f8ae895SOr Gerlitz 480971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4810226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4811e3a2b7edSAmir Vadai { 4812d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4813e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4814c5d326b2SVlad Buslov int err; 4815e3a2b7edSAmir Vadai 4816c5d326b2SVlad Buslov rcu_read_lock(); 4817ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4818c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4819c5d326b2SVlad Buslov err = -EINVAL; 4820c5d326b2SVlad Buslov goto errout; 4821c5d326b2SVlad Buslov } 4822e3a2b7edSAmir Vadai 4823c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4824c5d326b2SVlad Buslov * set. 4825c5d326b2SVlad Buslov */ 4826c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4827c5d326b2SVlad Buslov err = -EINVAL; 4828c5d326b2SVlad Buslov goto errout; 4829c5d326b2SVlad Buslov } 483005866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4831c5d326b2SVlad Buslov rcu_read_unlock(); 4832e3a2b7edSAmir Vadai 48337a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 48345a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4835e3a2b7edSAmir Vadai 48367dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4837e3a2b7edSAmir Vadai return 0; 4838c5d326b2SVlad Buslov 4839c5d326b2SVlad Buslov errout: 4840c5d326b2SVlad Buslov rcu_read_unlock(); 4841c5d326b2SVlad Buslov return err; 4842e3a2b7edSAmir Vadai } 4843e3a2b7edSAmir Vadai 484471d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4845226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4846aad7e08dSAmir Vadai { 484704de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4848d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 484904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4850aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4851aad7e08dSAmir Vadai struct mlx5_fc *counter; 4852316d5f72SRoi Dayan u64 lastuse = 0; 4853316d5f72SRoi Dayan u64 packets = 0; 4854316d5f72SRoi Dayan u64 bytes = 0; 48555a7e5bcbSVlad Buslov int err = 0; 4856aad7e08dSAmir Vadai 4857c5d326b2SVlad Buslov rcu_read_lock(); 4858c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 48595a7e5bcbSVlad Buslov tc_ht_params)); 4860c5d326b2SVlad Buslov rcu_read_unlock(); 48615a7e5bcbSVlad Buslov if (IS_ERR(flow)) 48625a7e5bcbSVlad Buslov return PTR_ERR(flow); 48635a7e5bcbSVlad Buslov 48645a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 48655a7e5bcbSVlad Buslov err = -EINVAL; 48665a7e5bcbSVlad Buslov goto errout; 48675a7e5bcbSVlad Buslov } 4868aad7e08dSAmir Vadai 48694c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4870b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4871aad7e08dSAmir Vadai if (!counter) 48725a7e5bcbSVlad Buslov goto errout; 4873aad7e08dSAmir Vadai 4874aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4875316d5f72SRoi Dayan } 4876aad7e08dSAmir Vadai 4877316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4878316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4879316d5f72SRoi Dayan */ 488004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 488104de7ddaSRoi Dayan if (!peer_esw) 488204de7ddaSRoi Dayan goto out; 488304de7ddaSRoi Dayan 4884226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4885226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 488604de7ddaSRoi Dayan u64 bytes2; 488704de7ddaSRoi Dayan u64 packets2; 488804de7ddaSRoi Dayan u64 lastuse2; 488904de7ddaSRoi Dayan 489004de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4891316d5f72SRoi Dayan if (!counter) 4892316d5f72SRoi Dayan goto no_peer_counter; 489304de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 489404de7ddaSRoi Dayan 489504de7ddaSRoi Dayan bytes += bytes2; 489604de7ddaSRoi Dayan packets += packets2; 489704de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 489804de7ddaSRoi Dayan } 489904de7ddaSRoi Dayan 4900316d5f72SRoi Dayan no_peer_counter: 490104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 490204de7ddaSRoi Dayan out: 49034b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 490493a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 49057a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 49065a7e5bcbSVlad Buslov errout: 49075a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 49085a7e5bcbSVlad Buslov return err; 4909aad7e08dSAmir Vadai } 4910aad7e08dSAmir Vadai 49111fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4912fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4913fcb64c0fSEli Cohen { 4914fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4915fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 49161fe3e316SParav Pandit u32 rate_mbps = 0; 4917fcb64c0fSEli Cohen u16 vport_num; 4918fcb64c0fSEli Cohen int err; 4919fcb64c0fSEli Cohen 4920e401a184SEli Cohen vport_num = rpriv->rep->vport; 4921e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4922e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4923e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4924e401a184SEli Cohen return -EOPNOTSUPP; 4925e401a184SEli Cohen } 4926e401a184SEli Cohen 4927fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4928fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4929fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4930fcb64c0fSEli Cohen * mbit means million bits. 4931fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4932fcb64c0fSEli Cohen * 1 mbit/sec. 4933fcb64c0fSEli Cohen */ 49341fe3e316SParav Pandit if (rate) { 49351fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 49368b90d897SParav Pandit do_div(rate, 1000000); 49378b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 49381fe3e316SParav Pandit } 49391fe3e316SParav Pandit 49402d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4941fcb64c0fSEli Cohen if (err) 4942fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4943fcb64c0fSEli Cohen 4944fcb64c0fSEli Cohen return err; 4945fcb64c0fSEli Cohen } 4946fcb64c0fSEli Cohen 49473603f266SOz Shlomo static int 49483603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 4949d97b4b10SJianbo Liu const struct flow_action_entry *act, 4950d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 4951d97b4b10SJianbo Liu { 49523603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 49533603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 49543603f266SOz Shlomo "Offload not supported when conform action is not continue"); 49553603f266SOz Shlomo return -EOPNOTSUPP; 49563603f266SOz Shlomo } 49573603f266SOz Shlomo 4958d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 4959d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4960d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 4961d97b4b10SJianbo Liu return -EOPNOTSUPP; 4962d97b4b10SJianbo Liu } 4963d97b4b10SJianbo Liu 4964d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 4965d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 4966d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4967d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 4968d97b4b10SJianbo Liu return -EOPNOTSUPP; 4969d97b4b10SJianbo Liu } 4970d97b4b10SJianbo Liu 4971d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 4972d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 4973d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4974d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 4975d97b4b10SJianbo Liu return -EOPNOTSUPP; 4976d97b4b10SJianbo Liu } 4977d97b4b10SJianbo Liu 4978d97b4b10SJianbo Liu return 0; 4979d97b4b10SJianbo Liu } 4980d97b4b10SJianbo Liu 4981fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4982fcb64c0fSEli Cohen struct flow_action *flow_action, 4983fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4984fcb64c0fSEli Cohen { 4985fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4986fcb64c0fSEli Cohen const struct flow_action_entry *act; 4987fcb64c0fSEli Cohen int err; 4988fcb64c0fSEli Cohen int i; 4989fcb64c0fSEli Cohen 4990fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4991fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4992fcb64c0fSEli Cohen return -EINVAL; 4993fcb64c0fSEli Cohen } 4994fcb64c0fSEli Cohen 4995fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4996fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4997fcb64c0fSEli Cohen return -EOPNOTSUPP; 4998fcb64c0fSEli Cohen } 4999fcb64c0fSEli Cohen 50000885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 50010885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 5002319a1d19SJiri Pirko return -EOPNOTSUPP; 50030885ae1aSAbhiram R N } 5004319a1d19SJiri Pirko 5005fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5006fcb64c0fSEli Cohen switch (act->id) { 5007fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 50083603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 5009d97b4b10SJianbo Liu if (err) 5010d97b4b10SJianbo Liu return err; 5011d97b4b10SJianbo Liu 5012fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5013fcb64c0fSEli Cohen if (err) 5014fcb64c0fSEli Cohen return err; 5015fcb64c0fSEli Cohen 5016fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5017fcb64c0fSEli Cohen break; 5018fcb64c0fSEli Cohen default: 5019fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5020fcb64c0fSEli Cohen return -EOPNOTSUPP; 5021fcb64c0fSEli Cohen } 5022fcb64c0fSEli Cohen } 5023fcb64c0fSEli Cohen 5024fcb64c0fSEli Cohen return 0; 5025fcb64c0fSEli Cohen } 5026fcb64c0fSEli Cohen 5027fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5028fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5029fcb64c0fSEli Cohen { 5030fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5031fcb64c0fSEli Cohen 50327b83355fSEli Cohen if (ma->common.prio != 1) { 5033fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5034fcb64c0fSEli Cohen return -EINVAL; 5035fcb64c0fSEli Cohen } 5036fcb64c0fSEli Cohen 5037fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5038fcb64c0fSEli Cohen } 5039fcb64c0fSEli Cohen 5040fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5041fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5042fcb64c0fSEli Cohen { 5043fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5044fcb64c0fSEli Cohen 5045fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5046fcb64c0fSEli Cohen } 5047fcb64c0fSEli Cohen 5048fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5049fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5050fcb64c0fSEli Cohen { 5051fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5052fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5053fcb64c0fSEli Cohen u64 dbytes; 5054fcb64c0fSEli Cohen u64 dpkts; 5055fcb64c0fSEli Cohen 5056fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5057fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5058fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5059fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 50604b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 506193a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5062fcb64c0fSEli Cohen } 5063fcb64c0fSEli Cohen 50644d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 50654d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 50664d8fcf21SAlaa Hleihel { 5067f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 50684d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5069db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5070db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 50714d8fcf21SAlaa Hleihel u16 peer_vhca_id; 50724d8fcf21SAlaa Hleihel int bkt; 50734d8fcf21SAlaa Hleihel 5074ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 50754d8fcf21SAlaa Hleihel return; 50764d8fcf21SAlaa Hleihel 50774d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 50784d8fcf21SAlaa Hleihel 5079f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 5080f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 5081db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5082db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5083f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 5084db76ca24SVlad Buslov 5085db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5086db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5087db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5088a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5089db76ca24SVlad Buslov 5090db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5091db76ca24SVlad Buslov } 50924d8fcf21SAlaa Hleihel } 50934d8fcf21SAlaa Hleihel 50944d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 50954d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 50964d8fcf21SAlaa Hleihel { 50974d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 50984d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 50994d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 51004d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 51014d8fcf21SAlaa Hleihel 51024d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 51034d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 51044d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 51054d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51064d8fcf21SAlaa Hleihel 51074d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 510865f586c2SLama Kayal priv = tc->priv; 51094d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 51104d8fcf21SAlaa Hleihel if (priv == peer_priv || 51114d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 51124d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51134d8fcf21SAlaa Hleihel 51144d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 51154d8fcf21SAlaa Hleihel 51164d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51174d8fcf21SAlaa Hleihel } 51184d8fcf21SAlaa Hleihel 51196a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 51206a064674SAriel Levkovich { 51216a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 51226a064674SAriel Levkovich u32 max_flow_counter; 51236a064674SAriel Levkovich 51246a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 51256a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 51266a064674SAriel Levkovich 51276a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 51286a064674SAriel Levkovich 51296a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 51306a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 51316a064674SAriel Levkovich 51326a064674SAriel Levkovich return tc_tbl_size; 51336a064674SAriel Levkovich } 51346a064674SAriel Levkovich 513566cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 513666cb64e2SMaor Dickman { 5137f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5138f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 513966cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 514066cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 514166cb64e2SMaor Dickman int err = 0; 514266cb64e2SMaor Dickman 514366cb64e2SMaor Dickman ft_attr.max_fte = 1; 514466cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 514566cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 514666cb64e2SMaor Dickman ft_attr.prio = 0; 514766cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 514866cb64e2SMaor Dickman 514966cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 515066cb64e2SMaor Dickman if (IS_ERR(*ft)) { 515166cb64e2SMaor Dickman err = PTR_ERR(*ft); 515266cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 515366cb64e2SMaor Dickman } 515466cb64e2SMaor Dickman 515566cb64e2SMaor Dickman return err; 515666cb64e2SMaor Dickman } 515766cb64e2SMaor Dickman 515866cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 515966cb64e2SMaor Dickman { 5160f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5161f52f2faeSLama Kayal 5162f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 516366cb64e2SMaor Dickman } 516466cb64e2SMaor Dickman 5165655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5166e8f887acSAmir Vadai { 5167f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 51686a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5169c9355682SChris Mi struct mapping_ctx *chains_mapping; 51706a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 51712198b932SRoi Dayan u64 mapping_id; 51724d8fcf21SAlaa Hleihel int err; 5173e8f887acSAmir Vadai 5174b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5175b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5176b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 51775c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 517865f586c2SLama Kayal tc->priv = priv; 517911c9c548SOr Gerlitz 51804d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 51814d8fcf21SAlaa Hleihel if (err) 51824d8fcf21SAlaa Hleihel return err; 51834d8fcf21SAlaa Hleihel 51849ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 51859ba33339SRoi Dayan 51862198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 51872198b932SRoi Dayan 51882198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 51892198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5190c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 51912198b932SRoi Dayan 5192c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5193c9355682SChris Mi err = PTR_ERR(chains_mapping); 5194c9355682SChris Mi goto err_mapping; 5195c9355682SChris Mi } 5196c9355682SChris Mi tc->mapping = chains_mapping; 5197c9355682SChris Mi 519866cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 519966cb64e2SMaor Dickman if (err) 520066cb64e2SMaor Dickman goto err_chains; 520166cb64e2SMaor Dickman 5202c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5203c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5204c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 52056a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 52066a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 52076a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5208f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5209c9355682SChris Mi attr.mapping = chains_mapping; 52106a064674SAriel Levkovich 52116a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 52126a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 52136a064674SAriel Levkovich err = PTR_ERR(tc->chains); 521466cb64e2SMaor Dickman goto err_miss; 52156a064674SAriel Levkovich } 52166a064674SAriel Levkovich 5217f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 521865f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5219f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5220aedd133dSAriel Levkovich 52214d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5222d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5223d48834f9SJiri Pirko &tc->netdevice_nb, 5224d48834f9SJiri Pirko &tc->netdevice_nn); 5225d48834f9SJiri Pirko if (err) { 52264d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 52274d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 52286a064674SAriel Levkovich goto err_reg; 52294d8fcf21SAlaa Hleihel } 52304d8fcf21SAlaa Hleihel 52316a064674SAriel Levkovich return 0; 52326a064674SAriel Levkovich 52336a064674SAriel Levkovich err_reg: 5234aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5235f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 52366a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 523766cb64e2SMaor Dickman err_miss: 523866cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 52396a064674SAriel Levkovich err_chains: 5240c9355682SChris Mi mapping_destroy(chains_mapping); 5241c9355682SChris Mi err_mapping: 52426a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 52434d8fcf21SAlaa Hleihel return err; 5244e8f887acSAmir Vadai } 5245e8f887acSAmir Vadai 5246e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5247e8f887acSAmir Vadai { 5248e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5249655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5250e8f887acSAmir Vadai 5251961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5252e8f887acSAmir Vadai kfree(flow); 5253e8f887acSAmir Vadai } 5254e8f887acSAmir Vadai 5255655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5256e8f887acSAmir Vadai { 5257f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5258e8f887acSAmir Vadai 52594d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5260d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5261d48834f9SJiri Pirko &tc->netdevice_nb, 5262d48834f9SJiri Pirko &tc->netdevice_nn); 52634d8fcf21SAlaa Hleihel 5264b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5265b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5266b32accdaSVlad Buslov 52676a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5268e8f887acSAmir Vadai 5269acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 52706a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5271acff797cSMaor Gottlieb tc->t = NULL; 5272e8f887acSAmir Vadai } 5273b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 52746a064674SAriel Levkovich 5275aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5276f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5277c9355682SChris Mi mapping_destroy(tc->mapping); 52786a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 527966cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5280e8f887acSAmir Vadai } 5281655dc3d2SOr Gerlitz 5282d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5283d1a3138fSPaul Blakey { 5284d1a3138fSPaul Blakey int err; 5285d1a3138fSPaul Blakey 5286d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5287d1a3138fSPaul Blakey if (err) 5288d1a3138fSPaul Blakey return err; 5289d1a3138fSPaul Blakey 5290d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 5291d1a3138fSPaul Blakey 5292d1a3138fSPaul Blakey return 0; 5293d1a3138fSPaul Blakey } 5294d1a3138fSPaul Blakey 5295d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5296d1a3138fSPaul Blakey { 5297d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5298d1a3138fSPaul Blakey } 5299d1a3138fSPaul Blakey 5300d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5301655dc3d2SOr Gerlitz { 5302d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5303aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 53040a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5305aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5306aedd133dSAriel Levkovich struct mlx5e_priv *priv; 53072198b932SRoi Dayan u64 mapping_id; 5308aedd133dSAriel Levkovich int err = 0; 53090a7fcb78SPaul Blakey 5310aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5311aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5312aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 53130a7fcb78SPaul Blakey 5314f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5315f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5316aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5317aedd133dSAriel Levkovich esw_chains(esw), 5318aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5319f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5320f0da4daaSChris Mi uplink_priv->post_act); 53214c3844d9SPaul Blakey 53224f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 53234f4edcc2SAriel Levkovich 53242741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 53252a9ab10aSChris Mi 53262198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 53272198b932SRoi Dayan 53282198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 53292198b932SRoi Dayan sizeof(struct tunnel_match_key), 53300a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 53312198b932SRoi Dayan 53320a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 53330a7fcb78SPaul Blakey err = PTR_ERR(mapping); 53340a7fcb78SPaul Blakey goto err_tun_mapping; 53350a7fcb78SPaul Blakey } 53360a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 53370a7fcb78SPaul Blakey 53383222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 53393222efd4SVlad Buslov * and bridge ingress push mark. 53403222efd4SVlad Buslov */ 53412198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 53423222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 53430a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 53440a7fcb78SPaul Blakey err = PTR_ERR(mapping); 53450a7fcb78SPaul Blakey goto err_enc_opts_mapping; 53460a7fcb78SPaul Blakey } 53470a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 53480a7fcb78SPaul Blakey 53498914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 53502b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 53512b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 53528914add2SVlad Buslov goto err_register_fib_notifier; 53532b6c3c1eSWei Yongjun } 53548914add2SVlad Buslov 53552b6c3c1eSWei Yongjun return 0; 53560a7fcb78SPaul Blakey 53578914add2SVlad Buslov err_register_fib_notifier: 53580a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53590a7fcb78SPaul Blakey err_enc_opts_mapping: 53600a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53610a7fcb78SPaul Blakey err_tun_mapping: 53620027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 53634f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5364aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 53650a7fcb78SPaul Blakey netdev_warn(priv->netdev, 53660a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5367f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 53680a7fcb78SPaul Blakey return err; 5369655dc3d2SOr Gerlitz } 5370655dc3d2SOr Gerlitz 5371d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5372655dc3d2SOr Gerlitz { 53738914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 53748914add2SVlad Buslov 53750a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53760a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53774c3844d9SPaul Blakey 53780027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 53794f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5380aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 538174e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5382f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5383655dc3d2SOr Gerlitz } 538401252a27SOr Gerlitz 5385226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 538601252a27SOr Gerlitz { 5387d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 538801252a27SOr Gerlitz 538901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 539001252a27SOr Gerlitz } 539104de7ddaSRoi Dayan 539204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 539304de7ddaSRoi Dayan { 539404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 539504de7ddaSRoi Dayan 539604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 539704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 539804de7ddaSRoi Dayan } 5399b4a23329SRoi Dayan 5400b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5401b4a23329SRoi Dayan { 5402b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5403b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5404b4a23329SRoi Dayan reoffload_flows_work); 5405b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5406b4a23329SRoi Dayan 5407ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5408b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5409b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5410ad86755bSVlad Buslov unready_flow_del(flow); 5411b4a23329SRoi Dayan } 5412ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5413b4a23329SRoi Dayan } 5414e2394a61SVlad Buslov 5415e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5416e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5417e2394a61SVlad Buslov unsigned long flags) 5418e2394a61SVlad Buslov { 5419e2394a61SVlad Buslov switch (cls_flower->command) { 5420e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5421e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5422e2394a61SVlad Buslov flags); 5423e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5424e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5425e2394a61SVlad Buslov flags); 5426e2394a61SVlad Buslov case FLOW_CLS_STATS: 5427e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5428e2394a61SVlad Buslov flags); 5429e2394a61SVlad Buslov default: 5430e2394a61SVlad Buslov return -EOPNOTSUPP; 5431e2394a61SVlad Buslov } 5432e2394a61SVlad Buslov } 5433e2394a61SVlad Buslov 5434e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5435e2394a61SVlad Buslov void *cb_priv) 5436e2394a61SVlad Buslov { 5437ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5438e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5439e2394a61SVlad Buslov 54402ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 54412ff349c5SRoi Dayan return -EOPNOTSUPP; 54422ff349c5SRoi Dayan 5443ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5444ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5445ec9457a6SRoi Dayan else 5446ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5447ec9457a6SRoi Dayan 5448e2394a61SVlad Buslov switch (type) { 5449e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5450e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5451e2394a61SVlad Buslov default: 5452e2394a61SVlad Buslov return -EOPNOTSUPP; 5453e2394a61SVlad Buslov } 5454e2394a61SVlad Buslov } 5455c7569097SAriel Levkovich 5456c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5457c7569097SAriel Levkovich struct sk_buff *skb) 5458c7569097SAriel Levkovich { 5459c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5460aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5461c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5462a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5463c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5464f52f2faeSLama Kayal struct mlx5e_tc_table *tc; 5465c7569097SAriel Levkovich int err; 5466c7569097SAriel Levkovich 5467c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5468f52f2faeSLama Kayal tc = mlx5e_fs_get_tc(priv->fs); 5469c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5470c7569097SAriel Levkovich 5471c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5472c7569097SAriel Levkovich if (err) { 5473c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5474c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5475c7569097SAriel Levkovich chain_tag, err); 5476c7569097SAriel Levkovich return false; 5477c7569097SAriel Levkovich } 5478c7569097SAriel Levkovich 5479a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5480a91d98a0SChris Mi chain = mapped_obj.chain; 54819453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5482c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5483c7569097SAriel Levkovich return false; 5484c7569097SAriel Levkovich 5485c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5486aedd133dSAriel Levkovich 548717c5da03SJianbo Liu zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 548848d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5489aedd133dSAriel Levkovich 5490aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5491aedd133dSAriel Levkovich zone_restore_id)) 5492aedd133dSAriel Levkovich return false; 5493a91d98a0SChris Mi } else { 5494a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5495a91d98a0SChris Mi return false; 5496c7569097SAriel Levkovich } 5497c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5498c7569097SAriel Levkovich 5499c7569097SAriel Levkovich return true; 5500c7569097SAriel Levkovich } 5501