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" 48d13674b1SOz Shlomo #include "en/tc/act_stats.h" 491d447a39SSaeed Mahameed #include "en_rep.h" 50768c3667SVlad Buslov #include "en/rep/tc.h" 51e2394a61SVlad Buslov #include "en/rep/neigh.h" 52232c0013SHadar Hen Zion #include "en_tc.h" 5303a9d11eSOr Gerlitz #include "eswitch.h" 543f6d08d1SOr Gerlitz #include "fs_core.h" 552c81bfd5SHuy Nguyen #include "en/port.h" 56101f4de9SOz Shlomo #include "en/tc_tun.h" 570a7fcb78SPaul Blakey #include "en/mapping.h" 584c3844d9SPaul Blakey #include "en/tc_ct.h" 59b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 600d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 610027d70cSChris Mi #include "en/tc/sample.h" 62fad54790SRoi Dayan #include "en/tc/act/act.h" 6306fe52a4SJianbo Liu #include "en/tc/post_meter.h" 6404de7ddaSRoi Dayan #include "lib/devcom.h" 659272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 66ae430332SAriel Levkovich #include "lib/fs_chains.h" 677a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 681fe3e316SParav Pandit #include <asm/div64.h> 69016c8946SJakub Kicinski #include "lag/lag.h" 70016c8946SJakub Kicinski #include "lag/mp.h" 71e8f887acSAmir Vadai 72acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 736a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 74e8f887acSAmir Vadai 751a803472SGal Pressman struct mlx5e_hairpin_params { 761a803472SGal Pressman struct mlx5_core_dev *mdev; 771a803472SGal Pressman u32 num_queues; 781a803472SGal Pressman u32 queue_size; 791a803472SGal Pressman }; 801a803472SGal Pressman 8123bde065SLama Kayal struct mlx5e_tc_table { 8223bde065SLama Kayal /* Protects the dynamic assignment of the t parameter 8323bde065SLama Kayal * which is the nic tc root table. 8423bde065SLama Kayal */ 8523bde065SLama Kayal struct mutex t_lock; 8623bde065SLama Kayal struct mlx5e_priv *priv; 8723bde065SLama Kayal struct mlx5_flow_table *t; 8823bde065SLama Kayal struct mlx5_flow_table *miss_t; 8923bde065SLama Kayal struct mlx5_fs_chains *chains; 9023bde065SLama Kayal struct mlx5e_post_act *post_act; 9123bde065SLama Kayal 9223bde065SLama Kayal struct rhashtable ht; 9323bde065SLama Kayal 9423bde065SLama Kayal struct mod_hdr_tbl mod_hdr; 9523bde065SLama Kayal struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ 9623bde065SLama Kayal DECLARE_HASHTABLE(hairpin_tbl, 8); 9723bde065SLama Kayal 9823bde065SLama Kayal struct notifier_block netdevice_nb; 9923bde065SLama Kayal struct netdev_net_notifier netdevice_nn; 10023bde065SLama Kayal 10123bde065SLama Kayal struct mlx5_tc_ct_priv *ct; 10223bde065SLama Kayal struct mapping_ctx *mapping; 1031a803472SGal Pressman struct mlx5e_hairpin_params hairpin_params; 1040e414518SGal Pressman struct dentry *dfs_root; 105d13674b1SOz Shlomo 106d13674b1SOz Shlomo /* tc action stats */ 107d13674b1SOz Shlomo struct mlx5e_tc_act_stats_handle *action_stats_handle; 10823bde065SLama Kayal }; 10923bde065SLama Kayal 1108f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1118f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1128f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1138f1e0b97SPaul Blakey .moffset = 0, 114ed2fe7baSPaul Blakey .mlen = 16, 1158f1e0b97SPaul Blakey }, 11610742efcSVlad Buslov [VPORT_TO_REG] = { 11710742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 118ed2fe7baSPaul Blakey .moffset = 16, 119ed2fe7baSPaul Blakey .mlen = 16, 12010742efcSVlad Buslov }, 1210a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1220a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 123ed2fe7baSPaul Blakey .moffset = 8, 124ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 1250a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1260a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1270a7fcb78SPaul Blakey }, 1284c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 129a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1304c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1314c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1324c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1334c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 13439c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 135c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 136c7569097SAriel Levkovich * jump between steering domains. 137c7569097SAriel Levkovich */ 138c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 139c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 140c7569097SAriel Levkovich .moffset = 0, 141ed2fe7baSPaul Blakey .mlen = 16, 142c7569097SAriel Levkovich }, 143aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 14406fe52a4SJianbo Liu [PACKET_COLOR_TO_REG] = packet_color_to_reg, 1458f1e0b97SPaul Blakey }; 1468f1e0b97SPaul Blakey 147c84fa1abSOz Shlomo struct mlx5e_tc_jump_state { 148c84fa1abSOz Shlomo u32 jump_count; 149c84fa1abSOz Shlomo bool jump_target; 150c84fa1abSOz Shlomo struct mlx5_flow_attr *jumping_attr; 151c84fa1abSOz Shlomo 152c84fa1abSOz Shlomo enum flow_action_id last_id; 153c84fa1abSOz Shlomo u32 last_index; 154c84fa1abSOz Shlomo }; 155c84fa1abSOz Shlomo 15623bde065SLama Kayal struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) 15723bde065SLama Kayal { 15823bde065SLama Kayal struct mlx5e_tc_table *tc; 15923bde065SLama Kayal 16023bde065SLama Kayal tc = kvzalloc(sizeof(*tc), GFP_KERNEL); 16123bde065SLama Kayal return tc ? tc : ERR_PTR(-ENOMEM); 16223bde065SLama Kayal } 16323bde065SLama Kayal 16423bde065SLama Kayal void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) 16523bde065SLama Kayal { 16623bde065SLama Kayal kvfree(tc); 16723bde065SLama Kayal } 16823bde065SLama Kayal 16923bde065SLama Kayal struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc) 17023bde065SLama Kayal { 17123bde065SLama Kayal return tc->chains; 17223bde065SLama Kayal } 17323bde065SLama Kayal 1749ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1759ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1769ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1779ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1789ba33339SRoi Dayan * it's different than the ht->mutex here. 1799ba33339SRoi Dayan */ 1809ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1815aa56105SVlad Buslov static struct lock_class_key tc_ht_wq_key; 1829ba33339SRoi Dayan 1830a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1848300f225SRoi Dayan static void free_flow_post_acts(struct mlx5e_tc_flow *flow); 185f86488cbSOz Shlomo static void mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr); 1860a7fcb78SPaul Blakey 1870a7fcb78SPaul Blakey void 1880a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1890a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 190ed2fe7baSPaul Blakey u32 val, 1910a7fcb78SPaul Blakey u32 mask) 1920a7fcb78SPaul Blakey { 193ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1940a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 195ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1960a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 197ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 198ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 199ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2000a7fcb78SPaul Blakey 2010a7fcb78SPaul Blakey fmask = headers_c + soffset; 2020a7fcb78SPaul Blakey fval = headers_v + soffset; 2030a7fcb78SPaul Blakey 204ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 205ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2060a7fcb78SPaul Blakey 207ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 208ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 209ed2fe7baSPaul Blakey 210ed2fe7baSPaul Blakey //move to correct offset 211ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 212ed2fe7baSPaul Blakey mask <<= moffset; 213ed2fe7baSPaul Blakey val <<= moffset; 214ed2fe7baSPaul Blakey max_mask <<= moffset; 215ed2fe7baSPaul Blakey 216ed2fe7baSPaul Blakey //zero val and mask 217ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 218ed2fe7baSPaul Blakey curr_val &= ~max_mask; 219ed2fe7baSPaul Blakey 220ed2fe7baSPaul Blakey //add current to mask 221ed2fe7baSPaul Blakey curr_mask |= mask; 222ed2fe7baSPaul Blakey curr_val |= val; 223ed2fe7baSPaul Blakey 224ed2fe7baSPaul Blakey //back to be32 and write 225ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 226ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 227ed2fe7baSPaul Blakey 228ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 229ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 2300a7fcb78SPaul Blakey 2310a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2320a7fcb78SPaul Blakey } 2330a7fcb78SPaul Blakey 2347e36feebSPaul Blakey void 2357e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2367e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 237ed2fe7baSPaul Blakey u32 *val, 2387e36feebSPaul Blakey u32 *mask) 2397e36feebSPaul Blakey { 240ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 2417e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 242ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2437e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 244ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 245ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 246ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2477e36feebSPaul Blakey 2487e36feebSPaul Blakey fmask = headers_c + soffset; 2497e36feebSPaul Blakey fval = headers_v + soffset; 2507e36feebSPaul Blakey 251ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 252ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2537e36feebSPaul Blakey 254ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 255ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 256ed2fe7baSPaul Blakey 257ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 258ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 2597e36feebSPaul Blakey } 2607e36feebSPaul Blakey 2610a7fcb78SPaul Blakey int 262c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2630a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 264aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2650a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2660a7fcb78SPaul Blakey u32 data) 2670a7fcb78SPaul Blakey { 2680a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2690a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2700a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2710a7fcb78SPaul Blakey char *modact; 2720a7fcb78SPaul Blakey int err; 2730a7fcb78SPaul Blakey 2742c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2752c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2762c0e5cf5SPaul Blakey return PTR_ERR(modact); 2770a7fcb78SPaul Blakey 2780a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 279ed2fe7baSPaul Blakey if (mlen == 32) 2800a7fcb78SPaul Blakey mlen = 0; 2810a7fcb78SPaul Blakey 2820a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2830a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 284ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 285ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2860a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 287c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2880a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2890a7fcb78SPaul Blakey 290c7b9038dSVlad Buslov return err; 2910a7fcb78SPaul Blakey } 2920a7fcb78SPaul Blakey 293d13674b1SOz Shlomo static struct mlx5e_tc_act_stats_handle * 294d13674b1SOz Shlomo get_act_stats_handle(struct mlx5e_priv *priv) 295d13674b1SOz Shlomo { 296d13674b1SOz Shlomo struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 297d13674b1SOz Shlomo struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 298d13674b1SOz Shlomo struct mlx5_rep_uplink_priv *uplink_priv; 299d13674b1SOz Shlomo struct mlx5e_rep_priv *uplink_rpriv; 300d13674b1SOz Shlomo 301d13674b1SOz Shlomo if (is_mdev_switchdev_mode(priv->mdev)) { 302d13674b1SOz Shlomo uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 303d13674b1SOz Shlomo uplink_priv = &uplink_rpriv->uplink_priv; 304d13674b1SOz Shlomo 305d13674b1SOz Shlomo return uplink_priv->action_stats_handle; 306d13674b1SOz Shlomo } 307d13674b1SOz Shlomo 308d13674b1SOz Shlomo return tc->action_stats_handle; 309d13674b1SOz Shlomo } 310d13674b1SOz Shlomo 31127484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 31227484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 31327484f71SAriel Levkovich { 31427484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31527484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 31627484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 31727484f71SAriel Levkovich 31827484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 31927484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 32027484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 32127484f71SAriel Levkovich 32227484f71SAriel Levkovich return uplink_priv->int_port_priv; 32327484f71SAriel Levkovich } 32427484f71SAriel Levkovich 32527484f71SAriel Levkovich return NULL; 32627484f71SAriel Levkovich } 32727484f71SAriel Levkovich 32874e6b2a8SJianbo Liu struct mlx5e_flow_meters * 32974e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 33074e6b2a8SJianbo Liu { 33174e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 33274e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 33374e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 33474e6b2a8SJianbo Liu struct mlx5e_priv *priv; 33574e6b2a8SJianbo Liu 33674e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 33774e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 33874e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 33974e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 34074e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 34174e6b2a8SJianbo Liu uplink_priv->flow_meters = 34274e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 34374e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 34474e6b2a8SJianbo Liu uplink_priv->post_act); 34574e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 34674e6b2a8SJianbo Liu return uplink_priv->flow_meters; 34774e6b2a8SJianbo Liu } 34874e6b2a8SJianbo Liu 34974e6b2a8SJianbo Liu return NULL; 35074e6b2a8SJianbo Liu } 35174e6b2a8SJianbo Liu 352aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 353aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 354aedd133dSAriel Levkovich { 355f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 356aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 357aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 358aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 359aedd133dSAriel Levkovich 360e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 361aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 362aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 363aedd133dSAriel Levkovich 364aedd133dSAriel Levkovich return uplink_priv->ct_priv; 365aedd133dSAriel Levkovich } 366aedd133dSAriel Levkovich 367f52f2faeSLama Kayal return tc->ct; 368aedd133dSAriel Levkovich } 369aedd133dSAriel Levkovich 3700027d70cSChris Mi static struct mlx5e_tc_psample * 371f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 372f94d6389SChris Mi { 373f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 374f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 375f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 376f94d6389SChris Mi 377f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 378f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 379f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 380f94d6389SChris Mi 3810027d70cSChris Mi return uplink_priv->tc_psample; 382f94d6389SChris Mi } 383f94d6389SChris Mi 384f94d6389SChris Mi return NULL; 385f94d6389SChris Mi } 386f94d6389SChris Mi 3878300f225SRoi Dayan static struct mlx5e_post_act * 3888300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3898300f225SRoi Dayan { 390f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3918300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3928300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3938300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3948300f225SRoi Dayan 3958300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3968300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3978300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3988300f225SRoi Dayan 3998300f225SRoi Dayan return uplink_priv->post_act; 4008300f225SRoi Dayan } 4018300f225SRoi Dayan 402f52f2faeSLama Kayal return tc->post_act; 4038300f225SRoi Dayan } 4048300f225SRoi Dayan 405aedd133dSAriel Levkovich struct mlx5_flow_handle * 406aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 407aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 408aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 409aedd133dSAriel Levkovich { 410aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 411aedd133dSAriel Levkovich 412e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 413aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 414aedd133dSAriel Levkovich 415aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 416aedd133dSAriel Levkovich } 417aedd133dSAriel Levkovich 418aedd133dSAriel Levkovich void 419aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 420aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 421aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 422aedd133dSAriel Levkovich { 423aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 424aedd133dSAriel Levkovich 425e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 426aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 427aedd133dSAriel Levkovich return; 428aedd133dSAriel Levkovich } 429aedd133dSAriel Levkovich 430aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 431aedd133dSAriel Levkovich } 432aedd133dSAriel Levkovich 433a8d52b02SJianbo Liu static bool 434a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 435a8d52b02SJianbo Liu { 4366fda078dSOz Shlomo return (((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 4376fda078dSOz Shlomo (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)) || 4386fda078dSOz Shlomo attr->flags & MLX5_ATTR_FLAG_MTU); 439a8d52b02SJianbo Liu } 440a8d52b02SJianbo Liu 441a8d52b02SJianbo Liu static int 442a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 443a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 444a8d52b02SJianbo Liu { 445e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 446e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 447e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 448a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 4496fda078dSOz Shlomo enum mlx5e_post_meter_type type; 450a8d52b02SJianbo Liu 451f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 452a8d52b02SJianbo Liu if (IS_ERR(meter)) { 453a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 454a8d52b02SJianbo Liu return PTR_ERR(meter); 455a8d52b02SJianbo Liu } 456a8d52b02SJianbo Liu 457e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 4586fda078dSOz Shlomo type = meter->params.mtu ? MLX5E_POST_METER_MTU : MLX5E_POST_METER_RATE; 4590d8c38d4SOz Shlomo post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, 4606fda078dSOz Shlomo type, 4610d8c38d4SOz Shlomo meter->act_counter, meter->drop_counter, 4620d8c38d4SOz Shlomo attr->branch_true, attr->branch_false); 463e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 464e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 465e5b1db27SRoi Dayan goto err_meter_init; 466e5b1db27SRoi Dayan } 467e5b1db27SRoi Dayan 468a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 469e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 470e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 471a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 472a8d52b02SJianbo Liu 473a8d52b02SJianbo Liu return 0; 474e5b1db27SRoi Dayan 475e5b1db27SRoi Dayan err_meter_init: 476e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 477e5b1db27SRoi Dayan return PTR_ERR(post_meter); 478e5b1db27SRoi Dayan } 479e5b1db27SRoi Dayan 480e5b1db27SRoi Dayan static void 4810d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) 482e5b1db27SRoi Dayan { 4830d8c38d4SOz Shlomo mlx5e_post_meter_cleanup(esw, attr->meter_attr.post_meter); 484e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 485a8d52b02SJianbo Liu } 486a8d52b02SJianbo Liu 48784ba8062SRoi Dayan struct mlx5_flow_handle * 48884ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 48984ba8062SRoi Dayan struct mlx5_flow_spec *spec, 49084ba8062SRoi Dayan struct mlx5_flow_attr *attr) 49184ba8062SRoi Dayan { 49284ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 493a8d52b02SJianbo Liu int err; 49484ba8062SRoi Dayan 49584ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 49684ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 49784ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 49884ba8062SRoi Dayan 499a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 50084ba8062SRoi Dayan spec, attr, 50184ba8062SRoi Dayan mod_hdr_acts); 50284ba8062SRoi Dayan } 50384ba8062SRoi Dayan 50484ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 50584ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 50684ba8062SRoi Dayan 50784ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 50873a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 50984ba8062SRoi Dayan 510a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 511a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 512a8d52b02SJianbo Liu if (err) 513a8d52b02SJianbo Liu return ERR_PTR(err); 514a8d52b02SJianbo Liu } 515a8d52b02SJianbo Liu 51684ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 51784ba8062SRoi Dayan } 51884ba8062SRoi Dayan 51984ba8062SRoi Dayan void 52084ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 521a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 52284ba8062SRoi Dayan struct mlx5_flow_attr *attr) 52384ba8062SRoi Dayan { 52484ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 52584ba8062SRoi Dayan 52684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 527a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 52884ba8062SRoi Dayan return; 52984ba8062SRoi Dayan } 53084ba8062SRoi Dayan 53184ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 53284ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 53384ba8062SRoi Dayan return; 53484ba8062SRoi Dayan } 53584ba8062SRoi Dayan 53684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 53784ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 53884ba8062SRoi Dayan return; 53984ba8062SRoi Dayan } 54084ba8062SRoi Dayan 54184ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 542a8d52b02SJianbo Liu 543a8d52b02SJianbo Liu if (attr->meter_attr.meter) 5440d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(esw, attr); 54584ba8062SRoi Dayan } 54684ba8062SRoi Dayan 547c7b9038dSVlad Buslov int 548c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 549c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 550c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 551c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 552c7b9038dSVlad Buslov u32 data) 553c7b9038dSVlad Buslov { 554c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 555c7b9038dSVlad Buslov 556c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 557c7b9038dSVlad Buslov } 558c7b9038dSVlad Buslov 559c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 560c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 561c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 562c7b9038dSVlad Buslov int act_id, u32 data) 563c7b9038dSVlad Buslov { 564c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 565c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 566c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 567c7b9038dSVlad Buslov char *modact; 568c7b9038dSVlad Buslov 5692c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 570c7b9038dSVlad Buslov 571c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 572ed2fe7baSPaul Blakey if (mlen == 32) 573c7b9038dSVlad Buslov mlen = 0; 574c7b9038dSVlad Buslov 575c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 576c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 577ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 578ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 579c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 580c7b9038dSVlad Buslov } 581c7b9038dSVlad Buslov 58277ab67b7SOr Gerlitz struct mlx5e_hairpin { 58377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 58477ab67b7SOr Gerlitz 58577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5863f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 58777ab67b7SOr Gerlitz u32 tdn; 588a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz int num_channels; 5913f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 592a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 593f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 59477ab67b7SOr Gerlitz }; 59577ab67b7SOr Gerlitz 5965c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5975c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5985c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 5995c65c564SOr Gerlitz 60073edca73SVlad Buslov /* protects flows list */ 60173edca73SVlad Buslov spinlock_t flows_lock; 6025c65c564SOr Gerlitz /* flows sharing the same hairpin */ 6035c65c564SOr Gerlitz struct list_head flows; 604db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 605db76ca24SVlad Buslov * function traversed them. 606db76ca24SVlad Buslov */ 607db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 6085c65c564SOr Gerlitz 609d8822868SOr Gerlitz u16 peer_vhca_id; 610106be53bSOr Gerlitz u8 prio; 6115c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 612e4f9abbdSVlad Buslov refcount_t refcnt; 613db76ca24SVlad Buslov struct completion res_ready; 6145c65c564SOr Gerlitz }; 6155c65c564SOr Gerlitz 6165a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 6175a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 6185a7e5bcbSVlad Buslov 6190d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 6205a7e5bcbSVlad Buslov { 6215a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 6225a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 6235a7e5bcbSVlad Buslov return flow; 6245a7e5bcbSVlad Buslov } 6255a7e5bcbSVlad Buslov 6260d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 6275a7e5bcbSVlad Buslov { 6285a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 6295a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 630c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 6315a7e5bcbSVlad Buslov } 6325a7e5bcbSVlad Buslov } 6335a7e5bcbSVlad Buslov 634aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 635226f2ca3SVlad Buslov { 636226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 637226f2ca3SVlad Buslov } 638226f2ca3SVlad Buslov 63967d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 64084179981SPaul Blakey { 64184179981SPaul Blakey return flow_flag_test(flow, FT); 64284179981SPaul Blakey } 64384179981SPaul Blakey 6440d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 645226f2ca3SVlad Buslov { 646226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 647226f2ca3SVlad Buslov } 648226f2ca3SVlad Buslov 649e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 650d2faae25SVlad Buslov { 651d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 652d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 653d2faae25SVlad Buslov } 654b2fdf3d0SPaul Blakey 6558facc02fSOz Shlomo static struct mlx5_core_dev * 6568facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 6578facc02fSOz Shlomo { 6588facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 6598facc02fSOz Shlomo } 6608facc02fSOz Shlomo 661b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 662b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 663b2fdf3d0SPaul Blakey { 664f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 665b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 666b2fdf3d0SPaul Blakey 667e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 668b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 669f52f2faeSLama Kayal &tc->mod_hdr; 670b2fdf3d0SPaul Blakey } 671b2fdf3d0SPaul Blakey 672ef78b8d5SRoi Dayan int mlx5e_tc_attach_mod_hdr(struct mlx5e_priv *priv, 67311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 67482b56480SRoi Dayan struct mlx5_flow_attr *attr) 67511c9c548SOr Gerlitz { 676b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 67711c9c548SOr Gerlitz 678b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 679e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 68082b56480SRoi Dayan &attr->parse_attr->mod_hdr_acts); 681b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 682b2fdf3d0SPaul Blakey return PTR_ERR(mh); 68311c9c548SOr Gerlitz 68482b56480SRoi Dayan WARN_ON(attr->modify_hdr); 68582b56480SRoi Dayan attr->modify_hdr = mlx5e_mod_hdr_get(mh); 68682b56480SRoi Dayan attr->mh = mh; 68711c9c548SOr Gerlitz 68811c9c548SOr Gerlitz return 0; 68911c9c548SOr Gerlitz } 69011c9c548SOr Gerlitz 691ef78b8d5SRoi Dayan void mlx5e_tc_detach_mod_hdr(struct mlx5e_priv *priv, 69282b56480SRoi Dayan struct mlx5e_tc_flow *flow, 69382b56480SRoi Dayan struct mlx5_flow_attr *attr) 69411c9c548SOr Gerlitz { 6955a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 69682b56480SRoi Dayan if (!attr->mh) 6975a7e5bcbSVlad Buslov return; 6985a7e5bcbSVlad Buslov 699b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 70082b56480SRoi Dayan attr->mh); 70182b56480SRoi Dayan attr->mh = NULL; 70211c9c548SOr Gerlitz } 70311c9c548SOr Gerlitz 70477ab67b7SOr Gerlitz static 70577ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 70677ab67b7SOr Gerlitz { 707b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 70877ab67b7SOr Gerlitz struct net_device *netdev; 70977ab67b7SOr Gerlitz struct mlx5e_priv *priv; 71077ab67b7SOr Gerlitz 711b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 712b1c2f631SDima Chumak if (!netdev) 713b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 714b1c2f631SDima Chumak 71577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 716b1c2f631SDima Chumak mdev = priv->mdev; 717b1c2f631SDima Chumak dev_put(netdev); 718b1c2f631SDima Chumak 719b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 720b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 721b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 722b1c2f631SDima Chumak * 723b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 724b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 725b1c2f631SDima Chumak * removed. 726b1c2f631SDima Chumak * 727b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 728b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 729b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 730b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 731b1c2f631SDima Chumak */ 732b1c2f631SDima Chumak return mdev; 73377ab67b7SOr Gerlitz } 73477ab67b7SOr Gerlitz 73577ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 73677ab67b7SOr Gerlitz { 737a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 73877ab67b7SOr Gerlitz int err; 73977ab67b7SOr Gerlitz 740a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 741a6696735SMaxim Mikityanskiy if (!builder) 742a6696735SMaxim Mikityanskiy return -ENOMEM; 743a6696735SMaxim Mikityanskiy 74477ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 74577ab67b7SOr Gerlitz if (err) 746a6696735SMaxim Mikityanskiy goto out; 74777ab67b7SOr Gerlitz 748a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 749a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 75077ab67b7SOr Gerlitz if (err) 75177ab67b7SOr Gerlitz goto create_tir_err; 75277ab67b7SOr Gerlitz 753a6696735SMaxim Mikityanskiy out: 754a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 755a6696735SMaxim Mikityanskiy return err; 75677ab67b7SOr Gerlitz 75777ab67b7SOr Gerlitz create_tir_err: 75877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 759a6696735SMaxim Mikityanskiy 760a6696735SMaxim Mikityanskiy goto out; 76177ab67b7SOr Gerlitz } 76277ab67b7SOr Gerlitz 76377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 76477ab67b7SOr Gerlitz { 765a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 76677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 76777ab67b7SOr Gerlitz } 76877ab67b7SOr Gerlitz 7693f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7703f6d08d1SOr Gerlitz { 7713f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7723f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 77306e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 77406e9f13aSMaxim Mikityanskiy int err; 7753f6d08d1SOr Gerlitz 77606e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 77706e9f13aSMaxim Mikityanskiy if (!indir) 7783f6d08d1SOr Gerlitz return -ENOMEM; 7793f6d08d1SOr Gerlitz 78043befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 78106e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 78243ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 78343ec0f41SMaxim Mikityanskiy indir); 7843f6d08d1SOr Gerlitz 78506e9f13aSMaxim Mikityanskiy kvfree(indir); 7863f6d08d1SOr Gerlitz return err; 7873f6d08d1SOr Gerlitz } 7883f6d08d1SOr Gerlitz 7893f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7903f6d08d1SOr Gerlitz { 7913f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 79243ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 793d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 794a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 795a6696735SMaxim Mikityanskiy int err = 0; 796a6696735SMaxim Mikityanskiy 797a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 798a6696735SMaxim Mikityanskiy if (!builder) 799a6696735SMaxim Mikityanskiy return -ENOMEM; 800a6696735SMaxim Mikityanskiy 80143ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 8023f6d08d1SOr Gerlitz 8033f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 80465d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 805d930ac79SAya Levin 80665d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 8073f6d08d1SOr Gerlitz 808a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 809a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 810a6696735SMaxim Mikityanskiy false); 81143ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 812bbeb53b8SAya Levin 813a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 8143f6d08d1SOr Gerlitz if (err) { 8153f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 8163f6d08d1SOr Gerlitz goto err_destroy_tirs; 8173f6d08d1SOr Gerlitz } 818a6696735SMaxim Mikityanskiy 819a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 8203f6d08d1SOr Gerlitz } 821a6696735SMaxim Mikityanskiy 822a6696735SMaxim Mikityanskiy out: 823a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 824a6696735SMaxim Mikityanskiy return err; 8253f6d08d1SOr Gerlitz 8263f6d08d1SOr Gerlitz err_destroy_tirs: 827a6696735SMaxim Mikityanskiy max_tt = tt; 828a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 829a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 830a6696735SMaxim Mikityanskiy 831a6696735SMaxim Mikityanskiy goto out; 8323f6d08d1SOr Gerlitz } 8333f6d08d1SOr Gerlitz 8343f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 8353f6d08d1SOr Gerlitz { 8363f6d08d1SOr Gerlitz int tt; 8373f6d08d1SOr Gerlitz 8383f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 839a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 8403f6d08d1SOr Gerlitz } 8413f6d08d1SOr Gerlitz 8423f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 8433f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 8443f6d08d1SOr Gerlitz { 8453f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8463f6d08d1SOr Gerlitz int tt; 8473f6d08d1SOr Gerlitz 8483f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8493f6d08d1SOr Gerlitz 850bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 851bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 852bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 853bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 854bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 855bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 856bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 857bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 858bc29764eSMaor Gottlieb } 8593f6d08d1SOr Gerlitz 8603f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8613f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8623f6d08d1SOr Gerlitz } 8633f6d08d1SOr Gerlitz 8643f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8653f6d08d1SOr Gerlitz { 8663f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8673f6d08d1SOr Gerlitz struct ttc_params ttc_params; 868f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8693f6d08d1SOr Gerlitz int err; 8703f6d08d1SOr Gerlitz 8713f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8723f6d08d1SOr Gerlitz if (err) 8733f6d08d1SOr Gerlitz return err; 8743f6d08d1SOr Gerlitz 8753f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8763f6d08d1SOr Gerlitz if (err) 8773f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8783f6d08d1SOr Gerlitz 8793f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 880f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 881f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 882f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8833f6d08d1SOr Gerlitz goto err_create_ttc_table; 884f4b45940SMaor Gottlieb } 8853f6d08d1SOr Gerlitz 886f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8873f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 888f4b45940SMaor Gottlieb hp->num_channels, 889f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8903f6d08d1SOr Gerlitz 8913f6d08d1SOr Gerlitz return 0; 8923f6d08d1SOr Gerlitz 8933f6d08d1SOr Gerlitz err_create_ttc_table: 8943f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8953f6d08d1SOr Gerlitz err_create_indirect_tirs: 89606e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8973f6d08d1SOr Gerlitz 8983f6d08d1SOr Gerlitz return err; 8993f6d08d1SOr Gerlitz } 9003f6d08d1SOr Gerlitz 9013f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 9023f6d08d1SOr Gerlitz { 903f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 9043f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 90506e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 9063f6d08d1SOr Gerlitz } 9073f6d08d1SOr Gerlitz 90877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 90977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 91077ab67b7SOr Gerlitz int peer_ifindex) 91177ab67b7SOr Gerlitz { 91277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 91377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 91477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 91577ab67b7SOr Gerlitz int err; 91677ab67b7SOr Gerlitz 91777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 91877ab67b7SOr Gerlitz if (!hp) 91977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 92077ab67b7SOr Gerlitz 92177ab67b7SOr Gerlitz func_mdev = priv->mdev; 92277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 923b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 924b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 925b1c2f631SDima Chumak goto create_pair_err; 926b1c2f631SDima Chumak } 92777ab67b7SOr Gerlitz 92877ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 92977ab67b7SOr Gerlitz if (IS_ERR(pair)) { 93077ab67b7SOr Gerlitz err = PTR_ERR(pair); 93177ab67b7SOr Gerlitz goto create_pair_err; 93277ab67b7SOr Gerlitz } 93377ab67b7SOr Gerlitz hp->pair = pair; 93477ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 9353f6d08d1SOr Gerlitz hp->func_priv = priv; 9363f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 93777ab67b7SOr Gerlitz 93877ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 93977ab67b7SOr Gerlitz if (err) 94077ab67b7SOr Gerlitz goto create_transport_err; 94177ab67b7SOr Gerlitz 9423f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 9433f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 9443f6d08d1SOr Gerlitz if (err) 9453f6d08d1SOr Gerlitz goto rss_init_err; 9463f6d08d1SOr Gerlitz } 9473f6d08d1SOr Gerlitz 94877ab67b7SOr Gerlitz return hp; 94977ab67b7SOr Gerlitz 9503f6d08d1SOr Gerlitz rss_init_err: 9513f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 95277ab67b7SOr Gerlitz create_transport_err: 95377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 95477ab67b7SOr Gerlitz create_pair_err: 95577ab67b7SOr Gerlitz kfree(hp); 95677ab67b7SOr Gerlitz return ERR_PTR(err); 95777ab67b7SOr Gerlitz } 95877ab67b7SOr Gerlitz 95977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 96077ab67b7SOr Gerlitz { 9613f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9623f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 96377ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 96477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 96577ab67b7SOr Gerlitz kvfree(hp); 96677ab67b7SOr Gerlitz } 96777ab67b7SOr Gerlitz 968106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 969106be53bSOr Gerlitz { 970106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 971106be53bSOr Gerlitz } 972106be53bSOr Gerlitz 9735c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 974106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9755c65c564SOr Gerlitz { 976f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9775c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 978106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9795c65c564SOr Gerlitz 980f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 981106be53bSOr Gerlitz hairpin_hlist, hash_key) { 982e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 983e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9845c65c564SOr Gerlitz return hpe; 9855c65c564SOr Gerlitz } 986e4f9abbdSVlad Buslov } 9875c65c564SOr Gerlitz 9885c65c564SOr Gerlitz return NULL; 9895c65c564SOr Gerlitz } 9905c65c564SOr Gerlitz 991e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 992e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 993e4f9abbdSVlad Buslov { 994f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 995e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 996f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 997e4f9abbdSVlad Buslov return; 998b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 999f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1000e4f9abbdSVlad Buslov 1001db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 1002e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 1003e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 1004e4f9abbdSVlad Buslov 1005e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 1006db76ca24SVlad Buslov } 1007db76ca24SVlad Buslov 1008db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 1009e4f9abbdSVlad Buslov kfree(hpe); 1010e4f9abbdSVlad Buslov } 1011e4f9abbdSVlad Buslov 1012106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 1013106be53bSOr Gerlitz 1014106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 1015e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 1016e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1017106be53bSOr Gerlitz { 1018106be53bSOr Gerlitz void *headers_c, *headers_v; 1019106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 1020106be53bSOr Gerlitz bool vlan_present; 1021106be53bSOr Gerlitz 1022106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 1023106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 1024e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1025e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 1026106be53bSOr Gerlitz return -EOPNOTSUPP; 1027106be53bSOr Gerlitz } 1028106be53bSOr Gerlitz #endif 1029106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 1030106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1031106be53bSOr Gerlitz 1032106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 1033106be53bSOr Gerlitz if (vlan_present) { 1034106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 1035106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 1036106be53bSOr Gerlitz } 1037106be53bSOr Gerlitz 1038106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 1039106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 1040106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 1041e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1042e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 1043106be53bSOr Gerlitz return -EOPNOTSUPP; 1044106be53bSOr Gerlitz } 1045106be53bSOr Gerlitz 1046106be53bSOr Gerlitz *match_prio = prio_val; 1047106be53bSOr Gerlitz return 0; 1048106be53bSOr Gerlitz } 1049106be53bSOr Gerlitz 10500e414518SGal Pressman static int debugfs_hairpin_queues_set(void *data, u64 val) 10510e414518SGal Pressman { 10520e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 10530e414518SGal Pressman 10540e414518SGal Pressman if (!val) { 10550e414518SGal Pressman mlx5_core_err(hp->mdev, 10560e414518SGal Pressman "Number of hairpin queues must be > 0\n"); 10570e414518SGal Pressman return -EINVAL; 10580e414518SGal Pressman } 10590e414518SGal Pressman 10600e414518SGal Pressman hp->num_queues = val; 10610e414518SGal Pressman 10620e414518SGal Pressman return 0; 10630e414518SGal Pressman } 10640e414518SGal Pressman 10650e414518SGal Pressman static int debugfs_hairpin_queues_get(void *data, u64 *val) 10660e414518SGal Pressman { 10670e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 10680e414518SGal Pressman 10690e414518SGal Pressman *val = hp->num_queues; 10700e414518SGal Pressman 10710e414518SGal Pressman return 0; 10720e414518SGal Pressman } 10730e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_queues, debugfs_hairpin_queues_get, 10740e414518SGal Pressman debugfs_hairpin_queues_set, "%llu\n"); 10750e414518SGal Pressman 10760e414518SGal Pressman static int debugfs_hairpin_queue_size_set(void *data, u64 val) 10770e414518SGal Pressman { 10780e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 10790e414518SGal Pressman 10800e414518SGal Pressman if (val > BIT(MLX5_CAP_GEN(hp->mdev, log_max_hairpin_num_packets))) { 10810e414518SGal Pressman mlx5_core_err(hp->mdev, 10820e414518SGal Pressman "Invalid hairpin queue size, must be <= %lu\n", 10830e414518SGal Pressman BIT(MLX5_CAP_GEN(hp->mdev, 10840e414518SGal Pressman log_max_hairpin_num_packets))); 10850e414518SGal Pressman return -EINVAL; 10860e414518SGal Pressman } 10870e414518SGal Pressman 10880e414518SGal Pressman hp->queue_size = roundup_pow_of_two(val); 10890e414518SGal Pressman 10900e414518SGal Pressman return 0; 10910e414518SGal Pressman } 10920e414518SGal Pressman 10930e414518SGal Pressman static int debugfs_hairpin_queue_size_get(void *data, u64 *val) 10940e414518SGal Pressman { 10950e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 10960e414518SGal Pressman 10970e414518SGal Pressman *val = hp->queue_size; 10980e414518SGal Pressman 10990e414518SGal Pressman return 0; 11000e414518SGal Pressman } 11010e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_queue_size, 11020e414518SGal Pressman debugfs_hairpin_queue_size_get, 11030e414518SGal Pressman debugfs_hairpin_queue_size_set, "%llu\n"); 11040e414518SGal Pressman 11050e414518SGal Pressman static int debugfs_hairpin_num_active_get(void *data, u64 *val) 11060e414518SGal Pressman { 11070e414518SGal Pressman struct mlx5e_tc_table *tc = data; 11080e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 11090e414518SGal Pressman u32 cnt = 0; 11100e414518SGal Pressman u32 bkt; 11110e414518SGal Pressman 11120e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 11130e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 11140e414518SGal Pressman cnt++; 11150e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 11160e414518SGal Pressman 11170e414518SGal Pressman *val = cnt; 11180e414518SGal Pressman 11190e414518SGal Pressman return 0; 11200e414518SGal Pressman } 11210e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_num_active, 11220e414518SGal Pressman debugfs_hairpin_num_active_get, NULL, "%llu\n"); 11230e414518SGal Pressman 11240e414518SGal Pressman static int debugfs_hairpin_table_dump_show(struct seq_file *file, void *priv) 11250e414518SGal Pressman 11260e414518SGal Pressman { 11270e414518SGal Pressman struct mlx5e_tc_table *tc = file->private; 11280e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 11290e414518SGal Pressman u32 bkt; 11300e414518SGal Pressman 11310e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 11320e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 11330e414518SGal Pressman seq_printf(file, "Hairpin peer_vhca_id %u prio %u refcnt %u\n", 11340e414518SGal Pressman hpe->peer_vhca_id, hpe->prio, 11350e414518SGal Pressman refcount_read(&hpe->refcnt)); 11360e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 11370e414518SGal Pressman 11380e414518SGal Pressman return 0; 11390e414518SGal Pressman } 11400e414518SGal Pressman DEFINE_SHOW_ATTRIBUTE(debugfs_hairpin_table_dump); 11410e414518SGal Pressman 11420e414518SGal Pressman static void mlx5e_tc_debugfs_init(struct mlx5e_tc_table *tc, 11430e414518SGal Pressman struct dentry *dfs_root) 11440e414518SGal Pressman { 11450e414518SGal Pressman if (IS_ERR_OR_NULL(dfs_root)) 11460e414518SGal Pressman return; 11470e414518SGal Pressman 11480e414518SGal Pressman tc->dfs_root = debugfs_create_dir("tc", dfs_root); 11490e414518SGal Pressman 11500e414518SGal Pressman debugfs_create_file("hairpin_num_queues", 0644, tc->dfs_root, 11510e414518SGal Pressman &tc->hairpin_params, &fops_hairpin_queues); 11520e414518SGal Pressman debugfs_create_file("hairpin_queue_size", 0644, tc->dfs_root, 11530e414518SGal Pressman &tc->hairpin_params, &fops_hairpin_queue_size); 11540e414518SGal Pressman debugfs_create_file("hairpin_num_active", 0444, tc->dfs_root, tc, 11550e414518SGal Pressman &fops_hairpin_num_active); 11560e414518SGal Pressman debugfs_create_file("hairpin_table_dump", 0444, tc->dfs_root, tc, 11570e414518SGal Pressman &debugfs_hairpin_table_dump_fops); 11580e414518SGal Pressman } 11590e414518SGal Pressman 11601a803472SGal Pressman static void 11611a803472SGal Pressman mlx5e_hairpin_params_init(struct mlx5e_hairpin_params *hairpin_params, 11621a803472SGal Pressman struct mlx5_core_dev *mdev) 11631a803472SGal Pressman { 11641a803472SGal Pressman u64 link_speed64; 11651a803472SGal Pressman u32 link_speed; 11661a803472SGal Pressman 11671a803472SGal Pressman hairpin_params->mdev = mdev; 11681a803472SGal Pressman /* set hairpin pair per each 50Gbs share of the link */ 11691a803472SGal Pressman mlx5e_port_max_linkspeed(mdev, &link_speed); 11701a803472SGal Pressman link_speed = max_t(u32, link_speed, 50000); 11711a803472SGal Pressman link_speed64 = link_speed; 11721a803472SGal Pressman do_div(link_speed64, 50000); 11731a803472SGal Pressman hairpin_params->num_queues = link_speed64; 11741a803472SGal Pressman 11751a803472SGal Pressman hairpin_params->queue_size = 11761a803472SGal Pressman BIT(min_t(u32, 16 - MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), 11771a803472SGal Pressman MLX5_CAP_GEN(mdev, log_max_hairpin_num_packets))); 11781a803472SGal Pressman } 11791a803472SGal Pressman 11805c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 11815c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1182e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1183e98bedf5SEli Britstein struct netlink_ext_ack *extack) 11845c65c564SOr Gerlitz { 1185f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 118698b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 11875c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1188d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 11895c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 11905c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1191106be53bSOr Gerlitz u8 match_prio; 1192d8822868SOr Gerlitz u16 peer_id; 11935c65c564SOr Gerlitz int err; 11945c65c564SOr Gerlitz 1195d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1196b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1197b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1198b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1199b1c2f631SDima Chumak } 1200b1c2f631SDima Chumak 1201d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1202e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 12035c65c564SOr Gerlitz return -EOPNOTSUPP; 12045c65c564SOr Gerlitz } 12055c65c564SOr Gerlitz 1206d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1207e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1208e98bedf5SEli Britstein extack); 1209106be53bSOr Gerlitz if (err) 1210106be53bSOr Gerlitz return err; 1211b32accdaSVlad Buslov 1212f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1213106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1214db76ca24SVlad Buslov if (hpe) { 1215f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1216db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1217db76ca24SVlad Buslov 1218db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1219db76ca24SVlad Buslov err = -EREMOTEIO; 1220db76ca24SVlad Buslov goto out_err; 1221db76ca24SVlad Buslov } 12225c65c564SOr Gerlitz goto attach_flow; 1223db76ca24SVlad Buslov } 12245c65c564SOr Gerlitz 12255c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1226b32accdaSVlad Buslov if (!hpe) { 1227f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1228db76ca24SVlad Buslov return -ENOMEM; 1229b32accdaSVlad Buslov } 12305c65c564SOr Gerlitz 123173edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 12325c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1233db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1234d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1235106be53bSOr Gerlitz hpe->prio = match_prio; 1236e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1237db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1238db76ca24SVlad Buslov 1239f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1240db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1241f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 12425c65c564SOr Gerlitz 12431a803472SGal Pressman params.log_num_packets = ilog2(tc->hairpin_params.queue_size); 12441a803472SGal Pressman params.log_data_size = 12451a803472SGal Pressman clamp_t(u32, 12461a803472SGal Pressman params.log_num_packets + 12471a803472SGal Pressman MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev), 124894581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 12495c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1250eb9180f7SOr Gerlitz 1251eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 12521a803472SGal Pressman params.num_channels = tc->hairpin_params.num_queues; 12533f6d08d1SOr Gerlitz 12545c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1255db76ca24SVlad Buslov hpe->hp = hp; 1256db76ca24SVlad Buslov complete_all(&hpe->res_ready); 12575c65c564SOr Gerlitz if (IS_ERR(hp)) { 12585c65c564SOr Gerlitz err = PTR_ERR(hp); 1259db76ca24SVlad Buslov goto out_err; 12605c65c564SOr Gerlitz } 12615c65c564SOr Gerlitz 1262eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1263a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 126427b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1265eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 12665c65c564SOr Gerlitz 12675c65c564SOr Gerlitz attach_flow: 12683f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1269226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1270f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1271f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 12723f6d08d1SOr Gerlitz } else { 1273a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 12743f6d08d1SOr Gerlitz } 1275b32accdaSVlad Buslov 1276e4f9abbdSVlad Buslov flow->hpe = hpe; 127773edca73SVlad Buslov spin_lock(&hpe->flows_lock); 12785c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 127973edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 12803f6d08d1SOr Gerlitz 12815c65c564SOr Gerlitz return 0; 12825c65c564SOr Gerlitz 1283db76ca24SVlad Buslov out_err: 1284db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 12855c65c564SOr Gerlitz return err; 12865c65c564SOr Gerlitz } 12875c65c564SOr Gerlitz 12885c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 12895c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 12905c65c564SOr Gerlitz { 12915a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1292e4f9abbdSVlad Buslov if (!flow->hpe) 12935a7e5bcbSVlad Buslov return; 12945a7e5bcbSVlad Buslov 129573edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 12965c65c564SOr Gerlitz list_del(&flow->hairpin); 129773edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 129873edca73SVlad Buslov 1299e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1300e4f9abbdSVlad Buslov flow->hpe = NULL; 13015c65c564SOr Gerlitz } 13025c65c564SOr Gerlitz 130308247066SAriel Levkovich struct mlx5_flow_handle * 130408247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 130508247066SAriel Levkovich struct mlx5_flow_spec *spec, 1306c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1307e8f887acSAmir Vadai { 130808247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1309f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1310f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1311c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 13125c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 131323bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 131466958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 13153bc4b7bfSOr Gerlitz .action = attr->action, 1316bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 131766958ed9SHadar Hen Zion }; 131808247066SAriel Levkovich struct mlx5_flow_handle *rule; 1319c7569097SAriel Levkovich struct mlx5_flow_table *ft; 132008247066SAriel Levkovich int dest_ix = 0; 1321e8f887acSAmir Vadai 132223bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1323bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1324c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1325bb0ee7dcSJianbo Liu 1326aedd133dSAriel Levkovich if (attr->dest_ft) { 1327aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1328aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1329aedd133dSAriel Levkovich dest_ix++; 1330aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 13313f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1332c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 133308247066SAriel Levkovich dest_ix++; 1334c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 13355c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1336c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 13373f6d08d1SOr Gerlitz dest_ix++; 13383f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 13395c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1340c7569097SAriel Levkovich if (attr->dest_chain) { 1341c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1342c7569097SAriel Levkovich attr->dest_chain, 1, 1343c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1344c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1345c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1346c7569097SAriel Levkovich } else { 1347f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1348c7569097SAriel Levkovich } 13495c65c564SOr Gerlitz dest_ix++; 13505c65c564SOr Gerlitz } 1351aad7e08dSAmir Vadai 1352c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1353c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1354c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1355c7569097SAriel Levkovich 135608247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 13575c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 135808247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 13595c65c564SOr Gerlitz dest_ix++; 1360aad7e08dSAmir Vadai } 1361aad7e08dSAmir Vadai 136208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13632b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 13642f4fe4caSOr Gerlitz 13656a064674SAriel Levkovich mutex_lock(&tc->t_lock); 13666a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 13676a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 13686a064674SAriel Levkovich tc->t = 1369c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 137021b9c144SOr Gerlitz 13716a064674SAriel Levkovich if (IS_ERR(tc->t)) { 13726a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1373e8f887acSAmir Vadai netdev_err(priv->netdev, 1374e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1375f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1376c7569097SAriel Levkovich goto err_ft_get; 1377e8f887acSAmir Vadai } 1378e8f887acSAmir Vadai } 137908247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1380e8f887acSAmir Vadai 1381aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1382c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1383c7569097SAriel Levkovich attr->chain, attr->prio, 1384c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1385aedd133dSAriel Levkovich else 1386aedd133dSAriel Levkovich ft = attr->ft; 1387aedd133dSAriel Levkovich 1388c7569097SAriel Levkovich if (IS_ERR(ft)) { 1389c7569097SAriel Levkovich rule = ERR_CAST(ft); 1390c7569097SAriel Levkovich goto err_ft_get; 1391c7569097SAriel Levkovich } 1392c7569097SAriel Levkovich 1393c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 139408247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 139538aa51c1SOr Gerlitz 1396c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 13975c65c564SOr Gerlitz &flow_act, dest, dest_ix); 139808247066SAriel Levkovich if (IS_ERR(rule)) 1399c7569097SAriel Levkovich goto err_rule; 140008247066SAriel Levkovich 140108247066SAriel Levkovich return rule; 1402c7569097SAriel Levkovich 1403c7569097SAriel Levkovich err_rule: 1404aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1405c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1406c7569097SAriel Levkovich attr->chain, attr->prio, 1407c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1408c7569097SAriel Levkovich err_ft_get: 1409c7569097SAriel Levkovich if (attr->dest_chain) 1410c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1411c7569097SAriel Levkovich attr->dest_chain, 1, 1412c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1413c7569097SAriel Levkovich 1414c7569097SAriel Levkovich return ERR_CAST(rule); 141508247066SAriel Levkovich } 141608247066SAriel Levkovich 141708247066SAriel Levkovich static int 1418df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1419df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1420df67ad62SRoi Dayan 1421df67ad62SRoi Dayan { 1422df67ad62SRoi Dayan struct mlx5_fc *counter; 1423df67ad62SRoi Dayan 1424df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1425df67ad62SRoi Dayan if (IS_ERR(counter)) 1426df67ad62SRoi Dayan return PTR_ERR(counter); 1427df67ad62SRoi Dayan 1428df67ad62SRoi Dayan attr->counter = counter; 1429df67ad62SRoi Dayan return 0; 1430df67ad62SRoi Dayan } 1431df67ad62SRoi Dayan 1432df67ad62SRoi Dayan static int 143308247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 143408247066SAriel Levkovich struct mlx5e_tc_flow *flow, 143508247066SAriel Levkovich struct netlink_ext_ack *extack) 143608247066SAriel Levkovich { 1437c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1438c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 143908247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 144008247066SAriel Levkovich int err; 144108247066SAriel Levkovich 1442c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1443c6cfe113SRoi Dayan 144408247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 144508247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 144608247066SAriel Levkovich if (err) 144708247066SAriel Levkovich return err; 144808247066SAriel Levkovich } 144908247066SAriel Levkovich 145008247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1451df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1452df67ad62SRoi Dayan if (err) 1453df67ad62SRoi Dayan return err; 145408247066SAriel Levkovich } 145508247066SAriel Levkovich 145608247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1457c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(priv, flow, attr); 145808247066SAriel Levkovich if (err) 145908247066SAriel Levkovich return err; 146008247066SAriel Levkovich } 146108247066SAriel Levkovich 146284ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1463a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1464aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1465aedd133dSAriel Levkovich else 146608247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 146708247066SAriel Levkovich attr); 1468e8f887acSAmir Vadai 1469a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1470e8f887acSAmir Vadai } 1471e8f887acSAmir Vadai 147208247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1473c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1474c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 147508247066SAriel Levkovich { 1476f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1477f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1478c7569097SAriel Levkovich 1479f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 148008247066SAriel Levkovich mlx5_del_flow_rules(rule); 1481c7569097SAriel Levkovich 1482aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1483c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1484c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1485c7569097SAriel Levkovich 1486c7569097SAriel Levkovich if (attr->dest_chain) 1487c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1488c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 148908247066SAriel Levkovich } 149008247066SAriel Levkovich 1491d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1492d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1493d85cdccbSOr Gerlitz { 1494f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1495c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1496d85cdccbSOr Gerlitz 1497c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1498c7569097SAriel Levkovich 149984ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1500a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1501aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1502aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1503aedd133dSAriel Levkovich 1504c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1505c7569097SAriel Levkovich * extra steering hops. 1506c7569097SAriel Levkovich */ 1507f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 15086a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 15096a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 151023bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1511f52f2faeSLama Kayal tc->t = NULL; 1512d85cdccbSOr Gerlitz } 1513f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 15142f4fe4caSOr Gerlitz 15155e72f3f1SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 15165e72f3f1SAriel Levkovich mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 1517c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 15185e72f3f1SAriel Levkovich } 15195c65c564SOr Gerlitz 1520972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1521aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1522aedd133dSAriel Levkovich 1523226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 15245c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1525c620b772SAriel Levkovich 15268300f225SRoi Dayan free_flow_post_acts(flow); 15278300f225SRoi Dayan 152888d97486SRoi Dayan kvfree(attr->parse_attr); 1529c620b772SAriel Levkovich kfree(flow->attr); 1530d85cdccbSOr Gerlitz } 1531d85cdccbSOr Gerlitz 15320d9f9647SVlad Buslov struct mlx5_flow_handle * 15336d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 15346d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 15356d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1536c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 15376d2a3ed0SOr Gerlitz { 15386d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 15394c3844d9SPaul Blakey 1540e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 154189e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 154289e39467SPaul Blakey 1543a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 15446d2a3ed0SOr Gerlitz 15456d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 15466d2a3ed0SOr Gerlitz return rule; 15476d2a3ed0SOr Gerlitz 1548c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 15496d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 155084ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 155184ba8062SRoi Dayan goto err_rule1; 15526d2a3ed0SOr Gerlitz } 15536d2a3ed0SOr Gerlitz 15546d2a3ed0SOr Gerlitz return rule; 155584ba8062SRoi Dayan 155684ba8062SRoi Dayan err_rule1: 1557a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 155884ba8062SRoi Dayan return flow->rule[1]; 15596d2a3ed0SOr Gerlitz } 15606d2a3ed0SOr Gerlitz 15610d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 15626d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1563c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 15646d2a3ed0SOr Gerlitz { 1565226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 15666d2a3ed0SOr Gerlitz 1567e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 156884ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 156989e39467SPaul Blakey 1570c620b772SAriel Levkovich if (attr->esw_attr->split_count) 15716d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 15726d2a3ed0SOr Gerlitz 1573a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 15746d2a3ed0SOr Gerlitz } 15756d2a3ed0SOr Gerlitz 15760d9f9647SVlad Buslov struct mlx5_flow_handle * 15775dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 15785dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1579178f69b4SEli Cohen struct mlx5_flow_spec *spec) 15805dbe906fSPaul Blakey { 15818dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 15828dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1583c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 15845dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15858dc47c05SPaul Blakey bool fwd_and_modify_cap; 15868dc47c05SPaul Blakey u32 chain_mapping = 0; 15878dc47c05SPaul Blakey int err; 15885dbe906fSPaul Blakey 1589c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1590c620b772SAriel Levkovich if (!slow_attr) 1591c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 15925dbe906fSPaul Blakey 1593c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1594c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1595c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1596e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1597c620b772SAriel Levkovich 15988dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 15998dc47c05SPaul Blakey if (!fwd_and_modify_cap) 16008dc47c05SPaul Blakey goto skip_restore; 16018dc47c05SPaul Blakey 16028dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 16038dc47c05SPaul Blakey if (err) 16048dc47c05SPaul Blakey goto err_get_chain; 16058dc47c05SPaul Blakey 16068dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 16078dc47c05SPaul Blakey CHAIN_TO_REG, chain_mapping); 16088dc47c05SPaul Blakey if (err) 16098dc47c05SPaul Blakey goto err_reg_set; 16108dc47c05SPaul Blakey 16118dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 16128dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 16138dc47c05SPaul Blakey if (IS_ERR(mh)) { 16148dc47c05SPaul Blakey err = PTR_ERR(mh); 16158dc47c05SPaul Blakey goto err_attach; 16168dc47c05SPaul Blakey } 16178dc47c05SPaul Blakey 16188dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 16198dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 16208dc47c05SPaul Blakey 16218dc47c05SPaul Blakey skip_restore: 1622c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 16238dc47c05SPaul Blakey if (IS_ERR(rule)) { 16248dc47c05SPaul Blakey err = PTR_ERR(rule); 16258dc47c05SPaul Blakey goto err_offload; 16268dc47c05SPaul Blakey } 16278dc47c05SPaul Blakey 162882b56480SRoi Dayan flow->attr->slow_mh = mh; 16298dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1630226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 16315dbe906fSPaul Blakey 16328dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1633c620b772SAriel Levkovich kfree(slow_attr); 1634c620b772SAriel Levkovich 16355dbe906fSPaul Blakey return rule; 16368dc47c05SPaul Blakey 16378dc47c05SPaul Blakey err_offload: 16388dc47c05SPaul Blakey if (fwd_and_modify_cap) 16398dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 16408dc47c05SPaul Blakey err_attach: 16418dc47c05SPaul Blakey err_reg_set: 16428dc47c05SPaul Blakey if (fwd_and_modify_cap) 16438dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 16448dc47c05SPaul Blakey err_get_chain: 16458dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 16468dc47c05SPaul Blakey kfree(slow_attr); 16478dc47c05SPaul Blakey return ERR_PTR(err); 16485dbe906fSPaul Blakey } 16495dbe906fSPaul Blakey 16500d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1651178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 16525dbe906fSPaul Blakey { 165382b56480SRoi Dayan struct mlx5e_mod_hdr_handle *slow_mh = flow->attr->slow_mh; 1654c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1655178f69b4SEli Cohen 1656c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 16575efbe617SAriel Levkovich if (!slow_attr) { 16585efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 16595efbe617SAriel Levkovich return; 16605efbe617SAriel Levkovich } 1661c620b772SAriel Levkovich 1662c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1663c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1664c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1665e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 166682b56480SRoi Dayan if (slow_mh) { 16678dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 166882b56480SRoi Dayan slow_attr->modify_hdr = mlx5e_mod_hdr_get(slow_mh); 16698dc47c05SPaul Blakey } 1670c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 167182b56480SRoi Dayan if (slow_mh) { 167282b56480SRoi Dayan mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), slow_mh); 16738dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 16748dc47c05SPaul Blakey flow->chain_mapping = 0; 167582b56480SRoi Dayan flow->attr->slow_mh = NULL; 16768dc47c05SPaul Blakey } 1677226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1678c620b772SAriel Levkovich kfree(slow_attr); 16795dbe906fSPaul Blakey } 16805dbe906fSPaul Blakey 1681ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1682ad86755bSVlad Buslov * function. 1683ad86755bSVlad Buslov */ 1684ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1685ad86755bSVlad Buslov struct list_head *unready_flows) 1686ad86755bSVlad Buslov { 1687ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1688ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1689ad86755bSVlad Buslov } 1690ad86755bSVlad Buslov 1691ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1692ad86755bSVlad Buslov * function. 1693ad86755bSVlad Buslov */ 1694ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1695ad86755bSVlad Buslov { 1696ad86755bSVlad Buslov list_del(&flow->unready); 1697ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1698ad86755bSVlad Buslov } 1699ad86755bSVlad Buslov 1700b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1701b4a23329SRoi Dayan { 1702b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1703b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1704b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1705b4a23329SRoi Dayan 1706b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1707b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1708b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1709b4a23329SRoi Dayan 1710ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1711ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1712ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1713b4a23329SRoi Dayan } 1714b4a23329SRoi Dayan 1715b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1716b4a23329SRoi Dayan { 1717ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1718ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1719ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1720ad86755bSVlad Buslov 1721ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1722ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1723ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1724ad86755bSVlad Buslov 1725ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1726ad86755bSVlad Buslov unready_flow_del(flow); 1727ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1728b4a23329SRoi Dayan } 1729b4a23329SRoi Dayan 1730a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 173110742efcSVlad Buslov { 173210742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 173310742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 173410742efcSVlad Buslov 173510742efcSVlad Buslov out_priv = netdev_priv(out_dev); 173610742efcSVlad Buslov out_mdev = out_priv->mdev; 173710742efcSVlad Buslov route_priv = netdev_priv(route_dev); 173810742efcSVlad Buslov route_mdev = route_priv->mdev; 173910742efcSVlad Buslov 174072e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 174172e0bcd1SRoi Dayan return false; 174272e0bcd1SRoi Dayan 174372e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 174472e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 174510742efcSVlad Buslov return false; 174610742efcSVlad Buslov 1747ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 174810742efcSVlad Buslov } 174910742efcSVlad Buslov 1750a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 175110742efcSVlad Buslov { 175210742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1753f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 175410742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 175510742efcSVlad Buslov struct mlx5_eswitch *esw; 175610742efcSVlad Buslov u16 vhca_id; 175710742efcSVlad Buslov int err; 175810742efcSVlad Buslov 175910742efcSVlad Buslov out_priv = netdev_priv(out_dev); 176010742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 176110742efcSVlad Buslov route_priv = netdev_priv(route_dev); 176210742efcSVlad Buslov route_mdev = route_priv->mdev; 176310742efcSVlad Buslov 176410742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1765f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1766f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1767f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1768f9d196bdSDmytro Linkin * eswitch. 1769f9d196bdSDmytro Linkin */ 177010742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1771f9d196bdSDmytro Linkin if (err != -ENOENT) 1772f9d196bdSDmytro Linkin return err; 1773f9d196bdSDmytro Linkin 1774f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1775f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1776f9d196bdSDmytro Linkin if (!esw) 1777f9d196bdSDmytro Linkin return -ENODEV; 1778f9d196bdSDmytro Linkin } 1779f9d196bdSDmytro Linkin 1780f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1781f9d196bdSDmytro Linkin if (devcom) 1782f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 178310742efcSVlad Buslov return err; 178410742efcSVlad Buslov } 178510742efcSVlad Buslov 1786c83954abSRabie Loulou static int 178739542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 178839542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1789c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 179039542e23SRoi Dayan struct netlink_ext_ack *extack, 179139542e23SRoi Dayan bool *vf_tun) 179239542e23SRoi Dayan { 179339542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 179439542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 179539542e23SRoi Dayan struct net_device *encap_dev = NULL; 179639542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 179739542e23SRoi Dayan struct mlx5e_priv *out_priv; 179839542e23SRoi Dayan int out_index; 179939542e23SRoi Dayan int err = 0; 180039542e23SRoi Dayan 18018300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 18028300f225SRoi Dayan return 0; 18038300f225SRoi Dayan 180439542e23SRoi Dayan parse_attr = attr->parse_attr; 180539542e23SRoi Dayan esw_attr = attr->esw_attr; 180639542e23SRoi Dayan *vf_tun = false; 180739542e23SRoi Dayan 180839542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 180939542e23SRoi Dayan struct net_device *out_dev; 181039542e23SRoi Dayan int mirred_ifindex; 181139542e23SRoi Dayan 181239542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 181339542e23SRoi Dayan continue; 181439542e23SRoi Dayan 181539542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 181639542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 181739542e23SRoi Dayan if (!out_dev) { 181839542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 181939542e23SRoi Dayan err = -ENODEV; 182039542e23SRoi Dayan goto out; 182139542e23SRoi Dayan } 1822c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 1823f3774220SChris Mi extack, &encap_dev); 182439542e23SRoi Dayan dev_put(out_dev); 182539542e23SRoi Dayan if (err) 182639542e23SRoi Dayan goto out; 182739542e23SRoi Dayan 182839542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 182939542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 183039542e23SRoi Dayan !esw_attr->dest_int_port) 183139542e23SRoi Dayan *vf_tun = true; 183239542e23SRoi Dayan 183339542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 183439542e23SRoi Dayan rpriv = out_priv->ppriv; 183539542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 183639542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 183739542e23SRoi Dayan } 183839542e23SRoi Dayan 183939542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 184039542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 184139542e23SRoi Dayan err = -EOPNOTSUPP; 184239542e23SRoi Dayan goto out; 184339542e23SRoi Dayan } 184439542e23SRoi Dayan 184539542e23SRoi Dayan out: 184639542e23SRoi Dayan return err; 184739542e23SRoi Dayan } 184839542e23SRoi Dayan 184939542e23SRoi Dayan static void 185039542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 185139542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1852c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 185339542e23SRoi Dayan bool *vf_tun) 185439542e23SRoi Dayan { 185539542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 185639542e23SRoi Dayan int out_index; 185739542e23SRoi Dayan 18588300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 18598300f225SRoi Dayan return; 18608300f225SRoi Dayan 186139542e23SRoi Dayan esw_attr = attr->esw_attr; 186239542e23SRoi Dayan *vf_tun = false; 186339542e23SRoi Dayan 186439542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 186539542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 186639542e23SRoi Dayan continue; 186739542e23SRoi Dayan 186839542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 186939542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 187039542e23SRoi Dayan !esw_attr->dest_int_port) 187139542e23SRoi Dayan *vf_tun = true; 187239542e23SRoi Dayan 1873c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 187439542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 187539542e23SRoi Dayan } 187639542e23SRoi Dayan } 187739542e23SRoi Dayan 187839542e23SRoi Dayan static int 187964426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 188064426382SOz Shlomo { 188164426382SOz Shlomo if (!(actions & 188264426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 188364426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 188464426382SOz Shlomo return -EOPNOTSUPP; 188564426382SOz Shlomo } 188664426382SOz Shlomo 188764426382SOz Shlomo if (!(~actions & 188864426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 188964426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 189064426382SOz Shlomo return -EOPNOTSUPP; 189164426382SOz Shlomo } 189264426382SOz Shlomo 189364426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 189464426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 189564426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 189664426382SOz Shlomo return -EOPNOTSUPP; 189764426382SOz Shlomo } 189864426382SOz Shlomo 189964426382SOz Shlomo return 0; 190064426382SOz Shlomo } 190164426382SOz Shlomo 190264426382SOz Shlomo static int 19038facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 19048facc02fSOz Shlomo struct mlx5_flow_attr *attr, 19058facc02fSOz Shlomo struct netlink_ext_ack *extack) 19068facc02fSOz Shlomo { 19078facc02fSOz Shlomo bool vf_tun; 19088facc02fSOz Shlomo int err = 0; 19098facc02fSOz Shlomo 191064426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 191164426382SOz Shlomo if (err) 191264426382SOz Shlomo goto err_out; 191364426382SOz Shlomo 19148facc02fSOz Shlomo err = set_encap_dests(flow->priv, flow, attr, extack, &vf_tun); 19158facc02fSOz Shlomo if (err) 19168facc02fSOz Shlomo goto err_out; 19178facc02fSOz Shlomo 19188facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1919c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr); 19208facc02fSOz Shlomo if (err) 19218facc02fSOz Shlomo goto err_out; 19228facc02fSOz Shlomo } 19238facc02fSOz Shlomo 1924f86488cbSOz Shlomo if (attr->branch_true && 1925f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1926ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_true); 1927f86488cbSOz Shlomo if (err) 1928f86488cbSOz Shlomo goto err_out; 1929f86488cbSOz Shlomo } 1930f86488cbSOz Shlomo 1931f86488cbSOz Shlomo if (attr->branch_false && 1932f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1933ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_false); 1934f86488cbSOz Shlomo if (err) 1935f86488cbSOz Shlomo goto err_out; 1936f86488cbSOz Shlomo } 1937f86488cbSOz Shlomo 19388facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 19398facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 19408facc02fSOz Shlomo if (err) 19418facc02fSOz Shlomo goto err_out; 19428facc02fSOz Shlomo } 19438facc02fSOz Shlomo 19448facc02fSOz Shlomo err_out: 19458facc02fSOz Shlomo return err; 19468facc02fSOz Shlomo } 19478facc02fSOz Shlomo 19488facc02fSOz Shlomo static int 194974491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1950e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1951e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1952adb4c123SOr Gerlitz { 1953adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1954c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1955c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1956c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 195739ac237cSPaul Blakey u32 max_prio, max_chain; 19580ad060eeSRoi Dayan int err = 0; 19598b32580dSOr Gerlitz 1960b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1961b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1962b16eb3c8SAriel Levkovich 196384179981SPaul Blakey /* We check chain range only for tc flows. 196484179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 196584179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 196684179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 196784179981SPaul Blakey */ 1968ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 196984179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 197061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 197161644c3dSRoi Dayan "Requested chain is out of supported range"); 19728914add2SVlad Buslov err = -EOPNOTSUPP; 19738914add2SVlad Buslov goto err_out; 1974bf07aa73SPaul Blakey } 1975bf07aa73SPaul Blakey 1976ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1977bf07aa73SPaul Blakey if (attr->prio > max_prio) { 197861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 197961644c3dSRoi Dayan "Requested priority is out of supported range"); 19808914add2SVlad Buslov err = -EOPNOTSUPP; 19818914add2SVlad Buslov goto err_out; 1982bf07aa73SPaul Blakey } 1983bf07aa73SPaul Blakey 1984777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1985777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1986777bb800SVlad Buslov if (err) 19878914add2SVlad Buslov goto err_out; 1988b16eb3c8SAriel Levkovich 19895b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 19905b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1991b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1992b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1993b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1994b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1995b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1996b16eb3c8SAriel Levkovich * from the proper chain. 1997b16eb3c8SAriel Levkovich */ 1998b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1999b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 2000b16eb3c8SAriel Levkovich 2001b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 2002b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 2003b16eb3c8SAriel Levkovich metadata); 2004b16eb3c8SAriel Levkovich if (err) 200531108d14SChristophe JAILLET goto err_out; 2006077cdda7SRoi Dayan 2007077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2008b16eb3c8SAriel Levkovich } 2009777bb800SVlad Buslov } 2010777bb800SVlad Buslov 201114e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 201214e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 201314e6b038SEli Cohen if (err) 20148914add2SVlad Buslov goto err_out; 201514e6b038SEli Cohen } 201614e6b038SEli Cohen 2017166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 2018166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 2019166f431eSAriel Levkovich 2020166f431eSAriel Levkovich if (attr->chain) { 2021166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 2022166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 202331108d14SChristophe JAILLET err = -EOPNOTSUPP; 202431108d14SChristophe JAILLET goto err_out; 2025166f431eSAriel Levkovich } 2026166f431eSAriel Levkovich 2027166f431eSAriel Levkovich if (attr->dest_chain) { 2028166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 2029166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 203031108d14SChristophe JAILLET err = -EOPNOTSUPP; 203131108d14SChristophe JAILLET goto err_out; 2032166f431eSAriel Levkovich } 2033166f431eSAriel Levkovich 2034166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 2035166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 2036166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 2037166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 2038166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 203931108d14SChristophe JAILLET if (IS_ERR(int_port)) { 204031108d14SChristophe JAILLET err = PTR_ERR(int_port); 204131108d14SChristophe JAILLET goto err_out; 204231108d14SChristophe JAILLET } 2043166f431eSAriel Levkovich 2044166f431eSAriel Levkovich esw_attr->int_port = int_port; 2045166f431eSAriel Levkovich } 2046166f431eSAriel Levkovich 2047ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 20480ad060eeSRoi Dayan if (err) 20498914add2SVlad Buslov goto err_out; 20500ad060eeSRoi Dayan 2051d13674b1SOz Shlomo err = mlx5e_tc_act_stats_add_flow(get_act_stats_handle(priv), flow); 2052d13674b1SOz Shlomo if (err) 2053d13674b1SOz Shlomo goto err_out; 2054d13674b1SOz Shlomo 20550ad060eeSRoi Dayan /* we get here if one of the following takes place: 20560ad060eeSRoi Dayan * (1) there's no error 20570ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 20583c37745eSOr Gerlitz */ 2059f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 2060178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 2061bc1d75faSRoi Dayan else 20626d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 20635dbe906fSPaul Blakey 20648914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 20658914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 20668914add2SVlad Buslov goto err_out; 20678914add2SVlad Buslov } 2068226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 2069c83954abSRabie Loulou 20705dbe906fSPaul Blakey return 0; 20718914add2SVlad Buslov 20728914add2SVlad Buslov err_out: 20738914add2SVlad Buslov flow_flag_set(flow, FAILED); 20748914add2SVlad Buslov return err; 2075aa0cbbaeSOr Gerlitz } 2076d85cdccbSOr Gerlitz 20779272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 20789272e3dfSYevgeny Kliteynik { 2079c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 20809272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 20819272e3dfSYevgeny Kliteynik spec->match_value, 20829272e3dfSYevgeny Kliteynik misc_parameters_3); 20839272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 20849272e3dfSYevgeny Kliteynik headers_v, 20859272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 20869272e3dfSYevgeny Kliteynik 20879272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 20889272e3dfSYevgeny Kliteynik } 20899272e3dfSYevgeny Kliteynik 2090f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 2091f86488cbSOz Shlomo { 2092f86488cbSOz Shlomo if (!attr) 2093f86488cbSOz Shlomo return; 2094f86488cbSOz Shlomo 2095f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 2096f86488cbSOz Shlomo kvfree(attr->parse_attr); 2097f86488cbSOz Shlomo kfree(attr); 2098f86488cbSOz Shlomo } 2099f86488cbSOz Shlomo 2100d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 2101d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 2102d85cdccbSOr Gerlitz { 2103d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2104c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 2105777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 210639542e23SRoi Dayan bool vf_tun; 2107d85cdccbSOr Gerlitz 2108777bb800SVlad Buslov esw_attr = attr->esw_attr; 21090a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 21100a7fcb78SPaul Blakey 211112a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 2112b4a23329SRoi Dayan remove_unready_flow(flow); 2113ef06c9eeSRoi Dayan 2114226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 2115226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 2116178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 21175dbe906fSPaul Blakey else 21185dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 21195dbe906fSPaul Blakey } 2120362980eaSVlad Buslov complete_all(&flow->del_hw_done); 2121d85cdccbSOr Gerlitz 21229272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 21239272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 21249272e3dfSYevgeny Kliteynik 2125777bb800SVlad Buslov if (flow->decap_route) 2126777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 2127777bb800SVlad Buslov 2128c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 2129d7e75a32SOr Gerlitz 2130aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 21314c8594adSRoi Dayan 2132c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 21332c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 2134c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 2135c7b9038dSVlad Buslov } 2136b8aee822SMark Bloch 2137b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 2138777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 213914e6b038SEli Cohen 2140166f431eSAriel Levkovich if (esw_attr->int_port) 2141166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 2142166f431eSAriel Levkovich 214327484f71SAriel Levkovich if (esw_attr->dest_int_port) 214427484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 214527484f71SAriel Levkovich 214614e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 214714e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 2148c620b772SAriel Levkovich 2149d13674b1SOz Shlomo mlx5e_tc_act_stats_del_flow(get_act_stats_handle(priv), flow); 2150d13674b1SOz Shlomo 21518300f225SRoi Dayan free_flow_post_acts(flow); 2152f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 2153f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 21548300f225SRoi Dayan 215588d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 215688d97486SRoi Dayan kvfree(attr->parse_attr); 2157c620b772SAriel Levkovich kfree(flow->attr); 2158d85cdccbSOr Gerlitz } 2159d85cdccbSOr Gerlitz 21600d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 2161b8aee822SMark Bloch { 21628300f225SRoi Dayan struct mlx5_flow_attr *attr; 21638300f225SRoi Dayan 21648300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 21658300f225SRoi Dayan return attr->counter; 2166b8aee822SMark Bloch } 2167b8aee822SMark Bloch 21686a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 2169021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 21706a06c2f7SVlad Buslov { 21716a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 21726a06c2f7SVlad Buslov 21736a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 21746a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 21756a06c2f7SVlad Buslov } 21766a06c2f7SVlad Buslov 217704de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 217804de7ddaSRoi Dayan { 217904de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 218004de7ddaSRoi Dayan 2181226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 2182226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 218304de7ddaSRoi Dayan return; 218404de7ddaSRoi Dayan 218504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 218604de7ddaSRoi Dayan list_del(&flow->peer); 218704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 218804de7ddaSRoi Dayan 2189226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 219004de7ddaSRoi Dayan 2191eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 219204de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 2193a23dae79SRoi Dayan kfree(flow->peer_flow); 2194eb252c3aSRoi Dayan } 2195eb252c3aSRoi Dayan 219604de7ddaSRoi Dayan flow->peer_flow = NULL; 219704de7ddaSRoi Dayan } 219804de7ddaSRoi Dayan 219904de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 220004de7ddaSRoi Dayan { 220104de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 220204de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 220304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 220404de7ddaSRoi Dayan 220504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 220604de7ddaSRoi Dayan if (!peer_esw) 220704de7ddaSRoi Dayan return; 220804de7ddaSRoi Dayan 220904de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 221004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 221104de7ddaSRoi Dayan } 221204de7ddaSRoi Dayan 2213e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2214961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2215e8f887acSAmir Vadai { 2216226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 221704de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2218d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 221904de7ddaSRoi Dayan } else { 2220d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2221e8f887acSAmir Vadai } 222204de7ddaSRoi Dayan } 2223e8f887acSAmir Vadai 2224ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2225bbd00f7eSHadar Hen Zion { 2226f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22270a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 22280a7fcb78SPaul Blakey const struct flow_action_entry *act; 22290a7fcb78SPaul Blakey int i; 2230bbd00f7eSHadar Hen Zion 2231ee950e5dSChris Mi if (chain) 2232ee950e5dSChris Mi return false; 2233ee950e5dSChris Mi 22340a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 22350a7fcb78SPaul Blakey switch (act->id) { 22360a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 22370a7fcb78SPaul Blakey return true; 2238ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2239ee950e5dSChris Mi return true; 22400a7fcb78SPaul Blakey default: 22410a7fcb78SPaul Blakey continue; 2242fe1587a7SDmytro Linkin } 22432e72eb43SOr Gerlitz } 2244bbd00f7eSHadar Hen Zion 22450a7fcb78SPaul Blakey return false; 22460a7fcb78SPaul Blakey } 2247bcef735cSOr Gerlitz 22480a7fcb78SPaul Blakey static int 22490a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 22500a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 22510a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 22520a7fcb78SPaul Blakey bool *dont_care) 22530a7fcb78SPaul Blakey { 22540a7fcb78SPaul Blakey struct geneve_opt *opt; 22550a7fcb78SPaul Blakey int off = 0; 2256bcef735cSOr Gerlitz 22570a7fcb78SPaul Blakey *dont_care = true; 2258bcef735cSOr Gerlitz 22590a7fcb78SPaul Blakey while (opts->len > off) { 22600a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2261e98bedf5SEli Britstein 22620a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 22630a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 22640a7fcb78SPaul Blakey *dont_care = false; 22650a7fcb78SPaul Blakey 2266c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2267d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2268c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 22690a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 22700a7fcb78SPaul Blakey netdev_warn(priv->netdev, 22710a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2272e98bedf5SEli Britstein return -EOPNOTSUPP; 2273e98bedf5SEli Britstein } 2274bcef735cSOr Gerlitz } 2275bcef735cSOr Gerlitz 22760a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2277bbd00f7eSHadar Hen Zion } 2278bbd00f7eSHadar Hen Zion 2279bbd00f7eSHadar Hen Zion return 0; 2280bbd00f7eSHadar Hen Zion } 2281bbd00f7eSHadar Hen Zion 22820a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 22830a7fcb78SPaul Blakey ({ \ 22840a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 22850a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 22860a7fcb78SPaul Blakey \ 22870a7fcb78SPaul Blakey memcpy(__dst,\ 22880a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 22890a7fcb78SPaul Blakey diss_key,\ 22900a7fcb78SPaul Blakey __rule->match.key),\ 22910a7fcb78SPaul Blakey sizeof(*__dst));\ 22920a7fcb78SPaul Blakey }) 22930a7fcb78SPaul Blakey 22940a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 22950a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 22960a7fcb78SPaul Blakey struct flow_cls_offload *f, 22970a7fcb78SPaul Blakey struct net_device *filter_dev) 22988377629eSEli Britstein { 22990a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 23000a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 23010a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 23020a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2303d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 23040a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2305c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 23060a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 23070a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 23080a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 23090a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 23100a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 23110a7fcb78SPaul Blakey u32 value, mask; 23120a7fcb78SPaul Blakey int err; 23130a7fcb78SPaul Blakey 23140a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 23150a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23160a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 23170a7fcb78SPaul Blakey 23180a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 23190a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 23200a7fcb78SPaul Blakey &tunnel_key.enc_control); 23210a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 23220a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 23230a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 23240a7fcb78SPaul Blakey else 23250a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 23260a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 23270a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 23280a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 23290a7fcb78SPaul Blakey &tunnel_key.enc_tp); 23300a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 23310a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 23320a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 23330a7fcb78SPaul Blakey 23340a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 23350a7fcb78SPaul Blakey if (err) 23360a7fcb78SPaul Blakey return err; 23370a7fcb78SPaul Blakey 23380a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 23390a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 23400a7fcb78SPaul Blakey enc_opts_match.mask, 23410a7fcb78SPaul Blakey extack, 23420a7fcb78SPaul Blakey &enc_opts_is_dont_care); 23430a7fcb78SPaul Blakey if (err) 23440a7fcb78SPaul Blakey goto err_enc_opts; 23450a7fcb78SPaul Blakey 23460a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2347d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2348d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2349d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2350d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2351d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2352d7a42ad0SRoi Dayan 23530a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2354d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 23550a7fcb78SPaul Blakey if (err) 23560a7fcb78SPaul Blakey goto err_enc_opts; 23570a7fcb78SPaul Blakey } 23580a7fcb78SPaul Blakey 23590a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 23600a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 23610a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 23620a7fcb78SPaul Blakey 23630a7fcb78SPaul Blakey if (attr->chain) { 23640a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 23650a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 23660a7fcb78SPaul Blakey } else { 23670a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 23680a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2369aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 23700a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 23710a7fcb78SPaul Blakey if (err) 23720a7fcb78SPaul Blakey goto err_set; 23730a7fcb78SPaul Blakey 23740a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 23750a7fcb78SPaul Blakey } 23760a7fcb78SPaul Blakey 237773a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 23780a7fcb78SPaul Blakey return 0; 23790a7fcb78SPaul Blakey 23800a7fcb78SPaul Blakey err_set: 23810a7fcb78SPaul Blakey if (enc_opts_id) 23820a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 23830a7fcb78SPaul Blakey enc_opts_id); 23840a7fcb78SPaul Blakey err_enc_opts: 23850a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 23860a7fcb78SPaul Blakey return err; 23870a7fcb78SPaul Blakey } 23880a7fcb78SPaul Blakey 23890a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 23900a7fcb78SPaul Blakey { 239173a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 239273a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 23930a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 23940a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 23950a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 23960a7fcb78SPaul Blakey 23970a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 23980a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23990a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 24000a7fcb78SPaul Blakey 24010a7fcb78SPaul Blakey if (tun_id) 24020a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 24030a7fcb78SPaul Blakey if (enc_opts_id) 24040a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 24050a7fcb78SPaul Blakey enc_opts_id); 24060a7fcb78SPaul Blakey } 24070a7fcb78SPaul Blakey 2408fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2409fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2410fca53304SEli Britstein void *headers_c, void *headers_v) 24114a5d5d73SEli Britstein { 2412fca53304SEli Britstein bool ip_version_cap; 2413fca53304SEli Britstein 2414fca53304SEli Britstein ip_version_cap = outer ? 2415fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2416fca53304SEli Britstein ft_field_support.outer_ip_version) : 2417fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2418fca53304SEli Britstein ft_field_support.inner_ip_version); 2419fca53304SEli Britstein 2420fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2421fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2422fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2423fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2424fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2425fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2426fca53304SEli Britstein } else { 24274a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 24284a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 24294a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 24304a5d5d73SEli Britstein ntohs(match->key->n_proto)); 24314a5d5d73SEli Britstein } 2432fca53304SEli Britstein } 24334a5d5d73SEli Britstein 24340d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2435a508728aSVlad Buslov { 2436a508728aSVlad Buslov void *headers_v; 2437a508728aSVlad Buslov u16 ethertype; 2438a508728aSVlad Buslov u8 ip_version; 2439a508728aSVlad Buslov 2440a508728aSVlad Buslov if (outer) 2441a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2442a508728aSVlad Buslov else 2443a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2444a508728aSVlad Buslov 2445a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2446a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2447a508728aSVlad Buslov if (!ip_version) { 2448a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2449a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2450a508728aSVlad Buslov ip_version = 4; 2451a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2452a508728aSVlad Buslov ip_version = 6; 2453a508728aSVlad Buslov } 2454a508728aSVlad Buslov return ip_version; 2455a508728aSVlad Buslov } 2456a508728aSVlad Buslov 2457b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2458b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2459b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2460b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2461b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2462b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2463b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2464b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2465b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2466b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2467b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2468b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2469b6dfff21SPaul Blakey * 2470b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2471b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2472b6dfff21SPaul Blakey * 2473b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2474b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2475b6dfff21SPaul Blakey * 2476b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2477b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2478b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2479b6dfff21SPaul Blakey */ 2480b6dfff21SPaul Blakey 2481b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2482b6dfff21SPaul Blakey struct flow_cls_offload *f, 2483b6dfff21SPaul Blakey bool *match_inner_ecn) 2484b6dfff21SPaul Blakey { 2485b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2486b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2487b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2488b6dfff21SPaul Blakey struct flow_match_ip match; 2489b6dfff21SPaul Blakey 2490b6dfff21SPaul Blakey *match_inner_ecn = true; 2491b6dfff21SPaul Blakey 2492b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2493b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2494b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2495b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2496b6dfff21SPaul Blakey } 2497b6dfff21SPaul Blakey 2498b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2499b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2500b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2501b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2502b6dfff21SPaul Blakey } 2503b6dfff21SPaul Blakey 2504b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2505b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2506b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2507b6dfff21SPaul Blakey return -EOPNOTSUPP; 2508b6dfff21SPaul Blakey } 2509b6dfff21SPaul Blakey 2510b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2511b6dfff21SPaul Blakey if (!inner_ecn_mask) 2512b6dfff21SPaul Blakey return 0; 2513b6dfff21SPaul Blakey 2514b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2515b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2516b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2517b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2518b6dfff21SPaul Blakey return -EOPNOTSUPP; 2519b6dfff21SPaul Blakey } 2520b6dfff21SPaul Blakey 2521b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2522b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2523b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2524b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2525b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2526b6dfff21SPaul Blakey return -EOPNOTSUPP; 2527b6dfff21SPaul Blakey } 2528b6dfff21SPaul Blakey 2529b6dfff21SPaul Blakey if (!inner_ecn_mask) 2530b6dfff21SPaul Blakey return 0; 2531b6dfff21SPaul Blakey 2532b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2533b6dfff21SPaul Blakey 2534b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2535b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2536b6dfff21SPaul Blakey 2537b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2538b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2539b6dfff21SPaul Blakey return -EOPNOTSUPP; 2540b6dfff21SPaul Blakey } 2541b6dfff21SPaul Blakey 2542b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2543b6dfff21SPaul Blakey return 0; 2544b6dfff21SPaul Blakey 2545b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2546b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2547b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2548b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2549b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2550b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2551b6dfff21SPaul Blakey return -EOPNOTSUPP; 2552b6dfff21SPaul Blakey } 2553b6dfff21SPaul Blakey 2554b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2555b6dfff21SPaul Blakey * drop match on inner ecn 2556b6dfff21SPaul Blakey */ 2557b6dfff21SPaul Blakey *match_inner_ecn = false; 2558b6dfff21SPaul Blakey 2559b6dfff21SPaul Blakey return 0; 2560b6dfff21SPaul Blakey } 2561b6dfff21SPaul Blakey 25620a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 25630a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 25640a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 25650a7fcb78SPaul Blakey struct flow_cls_offload *f, 25660a7fcb78SPaul Blakey struct net_device *filter_dev, 25670a7fcb78SPaul Blakey u8 *match_level, 25680a7fcb78SPaul Blakey bool *match_inner) 25690a7fcb78SPaul Blakey { 2570a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 25710a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25720a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 25730a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 25740a7fcb78SPaul Blakey int err; 25750a7fcb78SPaul Blakey 25760885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 25770885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 25780a7fcb78SPaul Blakey return -EOPNOTSUPP; 25790885ae1aSAbhiram R N } 25800a7fcb78SPaul Blakey 2581c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2582ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 25830a7fcb78SPaul Blakey *match_inner = !needs_mapping; 25840a7fcb78SPaul Blakey 25850a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2586636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2587c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2588636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 25890a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2590636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 25910a7fcb78SPaul Blakey return -EOPNOTSUPP; 25920a7fcb78SPaul Blakey } 25930a7fcb78SPaul Blakey 2594c620b772SAriel Levkovich if (!flow->attr->chain) { 25950a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 25960a7fcb78SPaul Blakey match_level); 25970a7fcb78SPaul Blakey if (err) { 25980a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 25990a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 26000a7fcb78SPaul Blakey netdev_warn(priv->netdev, 26010a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 26020a7fcb78SPaul Blakey return err; 26030a7fcb78SPaul Blakey } 26040a7fcb78SPaul Blakey 260514e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 260614e6b038SEli Cohen * object 260714e6b038SEli Cohen */ 260814e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2609c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2610a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2611a508728aSVlad Buslov if (err) 2612a508728aSVlad Buslov return err; 2613521933cdSMaor Dickman } else if (tunnel) { 2614a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2615a508728aSVlad Buslov 2616a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2617a508728aSVlad Buslov if (!tmp_spec) { 2618521933cdSMaor Dickman NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for tunnel tmp spec"); 2619521933cdSMaor Dickman netdev_warn(priv->netdev, "Failed to allocate memory for tunnel tmp spec"); 2620a508728aSVlad Buslov return -ENOMEM; 2621a508728aSVlad Buslov } 2622a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2623a508728aSVlad Buslov 2624a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2625a508728aSVlad Buslov if (err) { 2626a508728aSVlad Buslov kvfree(tmp_spec); 2627a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2628a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2629a508728aSVlad Buslov return err; 2630a508728aSVlad Buslov } 2631a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2632a508728aSVlad Buslov kvfree(tmp_spec); 2633a508728aSVlad Buslov if (err) 2634a508728aSVlad Buslov return err; 26350a7fcb78SPaul Blakey } 26360a7fcb78SPaul Blakey 26370a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 26380a7fcb78SPaul Blakey return 0; 26390a7fcb78SPaul Blakey 26400a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 26410a7fcb78SPaul Blakey } 26420a7fcb78SPaul Blakey 26430a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 26440a7fcb78SPaul Blakey { 26450a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 26460a7fcb78SPaul Blakey inner_headers); 26470a7fcb78SPaul Blakey } 26480a7fcb78SPaul Blakey 26490a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 26500a7fcb78SPaul Blakey { 26510a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 26520a7fcb78SPaul Blakey inner_headers); 26530a7fcb78SPaul Blakey } 26540a7fcb78SPaul Blakey 26550a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 26560a7fcb78SPaul Blakey { 26570a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 26580a7fcb78SPaul Blakey outer_headers); 26590a7fcb78SPaul Blakey } 26600a7fcb78SPaul Blakey 26610a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 26620a7fcb78SPaul Blakey { 26630a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 26648377629eSEli Britstein outer_headers); 26658377629eSEli Britstein } 26668377629eSEli Britstein 26678ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 26688377629eSEli Britstein { 26698377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26700a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 26710a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 26720a7fcb78SPaul Blakey } 26730a7fcb78SPaul Blakey 26748ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 26750a7fcb78SPaul Blakey { 26760a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26770a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 26780a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 26798377629eSEli Britstein } 26808377629eSEli Britstein 26816d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 26826d65bc64Swenxu struct flow_cls_offload *f) 26836d65bc64Swenxu { 26846d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26856d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 26866d65bc64Swenxu struct net_device *ingress_dev; 26876d65bc64Swenxu struct flow_match_meta match; 26886d65bc64Swenxu 26896d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 26906d65bc64Swenxu return 0; 26916d65bc64Swenxu 26926d65bc64Swenxu flow_rule_match_meta(rule, &match); 2693e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2694e3e0f9b2Swenxu return 0; 2695e3e0f9b2Swenxu 26966d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 26976d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2698a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 26996d65bc64Swenxu } 27006d65bc64Swenxu 27016d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 27026d65bc64Swenxu match.key->ingress_ifindex); 27036d65bc64Swenxu if (!ingress_dev) { 27046d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 27056d65bc64Swenxu "Can't find the ingress port to match on"); 2706a683012aSPablo Neira Ayuso return -ENOENT; 27076d65bc64Swenxu } 27086d65bc64Swenxu 27096d65bc64Swenxu if (ingress_dev != filter_dev) { 27106d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 27116d65bc64Swenxu "Can't match on the ingress filter port"); 2712a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 27136d65bc64Swenxu } 27146d65bc64Swenxu 27156d65bc64Swenxu return 0; 27166d65bc64Swenxu } 27176d65bc64Swenxu 271872046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 271972046a91SEli Cohen struct flow_cls_offload *f) 272072046a91SEli Cohen { 272172046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 272272046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 272372046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 272472046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 272572046a91SEli Cohen */ 272672046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 272772046a91SEli Cohen return true; 272872046a91SEli Cohen 272972046a91SEli Cohen return false; 273072046a91SEli Cohen } 273172046a91SEli Cohen 2732de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 27330a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2734de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2735f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 273654c177caSOz Shlomo struct net_device *filter_dev, 273793b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2738e3a2b7edSAmir Vadai { 2739e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2740c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2741c5bb1730SMaor Gottlieb outer_headers); 2742c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2743c5bb1730SMaor Gottlieb outer_headers); 2744699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2745699e96ddSJianbo Liu misc_parameters); 2746699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2747699e96ddSJianbo Liu misc_parameters); 2748a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2749a3222a2dSMaor Dickman misc_parameters_3); 2750a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2751a3222a2dSMaor Dickman misc_parameters_3); 2752f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 27538f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2754afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2755b6dfff21SPaul Blakey bool match_inner_ecn = true; 2756e3a2b7edSAmir Vadai u16 addr_type = 0; 2757e3a2b7edSAmir Vadai u8 ip_proto = 0; 275893b3586eSHuy Nguyen u8 *match_level; 27596d65bc64Swenxu int err; 2760e3a2b7edSAmir Vadai 2761afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 276293b3586eSHuy Nguyen match_level = outer_match_level; 2763de0af0bfSRoi Dayan 27648f256622SPablo Neira Ayuso if (dissector->used_keys & 27653d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 27663d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2767e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2768e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2769095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2770699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2771e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2772e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2773bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2774bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2775bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2776bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2777bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2778e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2779fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2780bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 27814c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 27829272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 278372046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2784a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 278572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2786e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 278748470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 27888f256622SPablo Neira Ayuso dissector->used_keys); 2789e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2790e3a2b7edSAmir Vadai } 2791e3a2b7edSAmir Vadai 2792075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 27930a7fcb78SPaul Blakey bool match_inner = false; 2794bbd00f7eSHadar Hen Zion 27950a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 27960a7fcb78SPaul Blakey outer_match_level, &match_inner); 27970a7fcb78SPaul Blakey if (err) 27980a7fcb78SPaul Blakey return err; 27990a7fcb78SPaul Blakey 28000a7fcb78SPaul Blakey if (match_inner) { 28010a7fcb78SPaul Blakey /* header pointers should point to the inner headers 28020a7fcb78SPaul Blakey * if the packet was decapsulated already. 28030a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2804bbd00f7eSHadar Hen Zion */ 280593b3586eSHuy Nguyen match_level = inner_match_level; 28060a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 28070a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 28080a7fcb78SPaul Blakey } 2809b6dfff21SPaul Blakey 2810b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2811b6dfff21SPaul Blakey if (err) 2812b6dfff21SPaul Blakey return err; 2813bbd00f7eSHadar Hen Zion } 2814bbd00f7eSHadar Hen Zion 28156d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 28166d65bc64Swenxu if (err) 28176d65bc64Swenxu return err; 28186d65bc64Swenxu 281972046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 282072046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 28218f256622SPablo Neira Ayuso struct flow_match_basic match; 2822e3a2b7edSAmir Vadai 28238f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2824fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2825fca53304SEli Britstein match_level == outer_match_level, 2826fca53304SEli Britstein headers_c, headers_v); 28278f256622SPablo Neira Ayuso 28288f256622SPablo Neira Ayuso if (match.mask->n_proto) 2829d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2830e3a2b7edSAmir Vadai } 283135a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 283235a605dbSEli Britstein is_vlan_dev(filter_dev)) { 283335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 283435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 28358f256622SPablo Neira Ayuso struct flow_match_vlan match; 28368f256622SPablo Neira Ayuso 283735a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 283835a605dbSEli Britstein match.key = &filter_dev_key; 283935a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 284035a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 284135a605dbSEli Britstein match.key->vlan_priority = 0; 284235a605dbSEli Britstein match.mask = &filter_dev_mask; 284335a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 284435a605dbSEli Britstein match.mask->vlan_priority = 0; 284535a605dbSEli Britstein } else { 28468f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 284735a605dbSEli Britstein } 28488f256622SPablo Neira Ayuso if (match.mask->vlan_id || 28498f256622SPablo Neira Ayuso match.mask->vlan_priority || 28508f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 28518f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2852699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2853699e96ddSJianbo Liu svlan_tag, 1); 2854699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2855699e96ddSJianbo Liu svlan_tag, 1); 2856699e96ddSJianbo Liu } else { 2857699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2858699e96ddSJianbo Liu cvlan_tag, 1); 2859699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2860699e96ddSJianbo Liu cvlan_tag, 1); 2861699e96ddSJianbo Liu } 2862095b6cfdSOr Gerlitz 28638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 28648f256622SPablo Neira Ayuso match.mask->vlan_id); 28658f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 28668f256622SPablo Neira Ayuso match.key->vlan_id); 2867358d79a4SOr Gerlitz 28688f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 28698f256622SPablo Neira Ayuso match.mask->vlan_priority); 28708f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 28718f256622SPablo Neira Ayuso match.key->vlan_priority); 287254782900SOr Gerlitz 2873d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2874ada09af9SVlad Buslov 2875ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2876ada09af9SVlad Buslov match.mask->vlan_eth_type && 2877ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2878ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2879ada09af9SVlad Buslov fs_type)) { 2880ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2881ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2882ada09af9SVlad Buslov spec->match_criteria_enable |= 2883ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2884ada09af9SVlad Buslov } 2885095b6cfdSOr Gerlitz } 2886d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2887fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2888fc603294SMark Bloch * disabled in match value means both S & C tags 2889fc603294SMark Bloch * don't exist (untagged of both) 2890fc603294SMark Bloch */ 2891cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2892d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2893095b6cfdSOr Gerlitz } 2894095b6cfdSOr Gerlitz 28958f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 28968f256622SPablo Neira Ayuso struct flow_match_vlan match; 28978f256622SPablo Neira Ayuso 289812d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 28998f256622SPablo Neira Ayuso if (match.mask->vlan_id || 29008f256622SPablo Neira Ayuso match.mask->vlan_priority || 29018f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2902afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2903afe93f71SRoi Dayan fs_type)) { 2904afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2905afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2906afe93f71SRoi Dayan return -EOPNOTSUPP; 2907afe93f71SRoi Dayan } 2908afe93f71SRoi Dayan 29098f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2910699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2911699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2912699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2913699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2914699e96ddSJianbo Liu } else { 2915699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2916699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2917699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2918699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2919699e96ddSJianbo Liu } 2920699e96ddSJianbo Liu 2921699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 29228f256622SPablo Neira Ayuso match.mask->vlan_id); 2923699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 29248f256622SPablo Neira Ayuso match.key->vlan_id); 2925699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 29268f256622SPablo Neira Ayuso match.mask->vlan_priority); 2927699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 29288f256622SPablo Neira Ayuso match.key->vlan_priority); 2929699e96ddSJianbo Liu 2930699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 29310faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2932699e96ddSJianbo Liu } 2933699e96ddSJianbo Liu } 2934699e96ddSJianbo Liu 29358f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 29368f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 293754782900SOr Gerlitz 29388f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2939d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2940d3a80bb5SOr Gerlitz dmac_47_16), 29418f256622SPablo Neira Ayuso match.mask->dst); 2942d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2943d3a80bb5SOr Gerlitz dmac_47_16), 29448f256622SPablo Neira Ayuso match.key->dst); 2945d3a80bb5SOr Gerlitz 2946d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2947d3a80bb5SOr Gerlitz smac_47_16), 29488f256622SPablo Neira Ayuso match.mask->src); 2949d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2950d3a80bb5SOr Gerlitz smac_47_16), 29518f256622SPablo Neira Ayuso match.key->src); 2952d3a80bb5SOr Gerlitz 29538f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 29548f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2955d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 295654782900SOr Gerlitz } 295754782900SOr Gerlitz 29588f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 29598f256622SPablo Neira Ayuso struct flow_match_control match; 296054782900SOr Gerlitz 29618f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 29628f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 296354782900SOr Gerlitz 296454782900SOr Gerlitz /* the HW doesn't support frag first/later */ 29650885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 29660885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 296754782900SOr Gerlitz return -EOPNOTSUPP; 29680885ae1aSAbhiram R N } 296954782900SOr Gerlitz 29708f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 297154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 297254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 29738f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 297454782900SOr Gerlitz 297554782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 29768f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 297783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 297854782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 297954782900SOr Gerlitz else 298083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 298154782900SOr Gerlitz } 298254782900SOr Gerlitz } 298354782900SOr Gerlitz 29848f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 29858f256622SPablo Neira Ayuso struct flow_match_basic match; 29868f256622SPablo Neira Ayuso 29878f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 29888f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 298954782900SOr Gerlitz 299054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 29918f256622SPablo Neira Ayuso match.mask->ip_proto); 299254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 29938f256622SPablo Neira Ayuso match.key->ip_proto); 299454782900SOr Gerlitz 29958f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2996d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 299754782900SOr Gerlitz } 299854782900SOr Gerlitz 2999e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 30008f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 3001e3a2b7edSAmir Vadai 30028f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 3003e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3004e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 30058f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 3006e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3007e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 30088f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 3009e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3010e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 30118f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 3012e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3013e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 30148f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 3015de0af0bfSRoi Dayan 30168f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 3017d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 3018e3a2b7edSAmir Vadai } 3019e3a2b7edSAmir Vadai 3020e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 30218f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 3022e3a2b7edSAmir Vadai 30238f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 3024e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3025e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 30268f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 3027e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3028e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 30298f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 3030e3a2b7edSAmir Vadai 3031e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3032e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 30338f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 3034e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3035e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 30368f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 3037de0af0bfSRoi Dayan 30388f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 30398f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 3040d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 3041e3a2b7edSAmir Vadai } 3042e3a2b7edSAmir Vadai 30438f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 30448f256622SPablo Neira Ayuso struct flow_match_ip match; 30451f97a526SOr Gerlitz 30468f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 3047b6dfff21SPaul Blakey if (match_inner_ecn) { 30488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 30498f256622SPablo Neira Ayuso match.mask->tos & 0x3); 30508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 30518f256622SPablo Neira Ayuso match.key->tos & 0x3); 3052b6dfff21SPaul Blakey } 30531f97a526SOr Gerlitz 30548f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 30558f256622SPablo Neira Ayuso match.mask->tos >> 2); 30568f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 30578f256622SPablo Neira Ayuso match.key->tos >> 2); 30581f97a526SOr Gerlitz 30598f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 30608f256622SPablo Neira Ayuso match.mask->ttl); 30618f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 30628f256622SPablo Neira Ayuso match.key->ttl); 30631f97a526SOr Gerlitz 30648f256622SPablo Neira Ayuso if (match.mask->ttl && 3065a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3066e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 3067e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3068e98bedf5SEli Britstein "Matching on TTL is not supported"); 30691f97a526SOr Gerlitz return -EOPNOTSUPP; 3070e98bedf5SEli Britstein } 3071a8ade55fSOr Gerlitz 30728f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 3073d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 30741f97a526SOr Gerlitz } 30751f97a526SOr Gerlitz 307654782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 307754782900SOr Gerlitz 30788f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 30798f256622SPablo Neira Ayuso struct flow_match_ports match; 30808f256622SPablo Neira Ayuso 30818f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 3082e3a2b7edSAmir Vadai switch (ip_proto) { 3083e3a2b7edSAmir Vadai case IPPROTO_TCP: 3084e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30858f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 3086e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30878f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 3088e3a2b7edSAmir Vadai 3089e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30908f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 3091e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30928f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 3093e3a2b7edSAmir Vadai break; 3094e3a2b7edSAmir Vadai 3095e3a2b7edSAmir Vadai case IPPROTO_UDP: 3096e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30978f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 3098e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30998f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 3100e3a2b7edSAmir Vadai 3101e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 31028f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 3103e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 31048f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 3105e3a2b7edSAmir Vadai break; 3106e3a2b7edSAmir Vadai default: 3107e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3108e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 3109e3a2b7edSAmir Vadai netdev_err(priv->netdev, 3110e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 3111e3a2b7edSAmir Vadai return -EINVAL; 3112e3a2b7edSAmir Vadai } 3113de0af0bfSRoi Dayan 31148f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 3115d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3116e3a2b7edSAmir Vadai } 3117e3a2b7edSAmir Vadai 31188f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 31198f256622SPablo Neira Ayuso struct flow_match_tcp match; 3120e77834ecSOr Gerlitz 31218f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 3122e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 31238f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 3124e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 31258f256622SPablo Neira Ayuso ntohs(match.key->flags)); 3126e77834ecSOr Gerlitz 31278f256622SPablo Neira Ayuso if (match.mask->flags) 3128d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3129e77834ecSOr Gerlitz } 3130a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 3131a3222a2dSMaor Dickman struct flow_match_icmp match; 3132e77834ecSOr Gerlitz 3133a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 3134a3222a2dSMaor Dickman switch (ip_proto) { 3135a3222a2dSMaor Dickman case IPPROTO_ICMP: 3136a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 31370885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 31380885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 31390885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 3140a3222a2dSMaor Dickman return -EOPNOTSUPP; 31410885ae1aSAbhiram R N } 3142a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 3143a3222a2dSMaor Dickman match.mask->type); 3144a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 3145a3222a2dSMaor Dickman match.key->type); 3146a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 3147a3222a2dSMaor Dickman match.mask->code); 3148a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 3149a3222a2dSMaor Dickman match.key->code); 3150a3222a2dSMaor Dickman break; 3151a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 3152a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 31530885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 31540885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 31550885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 3156a3222a2dSMaor Dickman return -EOPNOTSUPP; 31570885ae1aSAbhiram R N } 3158a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 3159a3222a2dSMaor Dickman match.mask->type); 3160a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 3161a3222a2dSMaor Dickman match.key->type); 3162a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 3163a3222a2dSMaor Dickman match.mask->code); 3164a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 3165a3222a2dSMaor Dickman match.key->code); 3166a3222a2dSMaor Dickman break; 3167a3222a2dSMaor Dickman default: 3168a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 3169a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 3170a3222a2dSMaor Dickman netdev_err(priv->netdev, 3171a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 3172a3222a2dSMaor Dickman return -EINVAL; 3173a3222a2dSMaor Dickman } 3174a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 3175a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 3176a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 3177a3222a2dSMaor Dickman } 3178a3222a2dSMaor Dickman } 317939c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 31807d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 31817d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 31827d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 31837d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 31847d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 31857d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 31867d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 31877d6c86e3SAlaa Hleihel } 31887d6c86e3SAlaa Hleihel 3189e3a2b7edSAmir Vadai return 0; 3190e3a2b7edSAmir Vadai } 3191e3a2b7edSAmir Vadai 3192de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 319365ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3194de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3195f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 319654c177caSOz Shlomo struct net_device *filter_dev) 3197de0af0bfSRoi Dayan { 319893b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3199e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3200de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3201de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 32021d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 32031d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3204226f2ca3SVlad Buslov bool is_eswitch_flow; 3205de0af0bfSRoi Dayan int err; 3206de0af0bfSRoi Dayan 320793b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 320893b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 320993b3586eSHuy Nguyen 32100a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 32110a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 321293b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 321393b3586eSHuy Nguyen outer_match_level : inner_match_level; 3214de0af0bfSRoi Dayan 3215226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3216226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 32171d447a39SSaeed Mahameed rep = rpriv->rep; 3218b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 32191d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 322093b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3221e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3222e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3223de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3224de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 322593b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3226de0af0bfSRoi Dayan return -EOPNOTSUPP; 3227de0af0bfSRoi Dayan } 3228de0af0bfSRoi Dayan } 3229de0af0bfSRoi Dayan 3230c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3231c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3232c620b772SAriel Levkovich 323338aa51c1SOr Gerlitz 3234de0af0bfSRoi Dayan return err; 3235de0af0bfSRoi Dayan } 3236de0af0bfSRoi Dayan 3237d79b6df6SOr Gerlitz struct mlx5_fields { 3238d79b6df6SOr Gerlitz u8 field; 323988f30bbcSDmytro Linkin u8 field_bsize; 324088f30bbcSDmytro Linkin u32 field_mask; 3241d79b6df6SOr Gerlitz u32 offset; 324227c11b6bSEli Britstein u32 match_offset; 3243d79b6df6SOr Gerlitz }; 3244d79b6df6SOr Gerlitz 324588f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 324688f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 324727c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 324827c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 324927c11b6bSEli Britstein 32502ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 32512ef86872SEli Britstein * match. 32522ef86872SEli Britstein */ 32532ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 32542ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 32552ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 32562ef86872SEli Britstein type maskx = *(type *)(maskp); \ 32572ef86872SEli Britstein type valx = *(type *)(valp); \ 32582ef86872SEli Britstein \ 32592ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 32602ef86872SEli Britstein matchmaskx)); \ 32612ef86872SEli Britstein }) 32622ef86872SEli Britstein 326327c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 326488f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 326527c11b6bSEli Britstein { 326627c11b6bSEli Britstein bool same = false; 326727c11b6bSEli Britstein 326888f30bbcSDmytro Linkin switch (bsize) { 326988f30bbcSDmytro Linkin case 8: 32702ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 327127c11b6bSEli Britstein break; 327288f30bbcSDmytro Linkin case 16: 32732ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 327427c11b6bSEli Britstein break; 327588f30bbcSDmytro Linkin case 32: 32762ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 327727c11b6bSEli Britstein break; 327827c11b6bSEli Britstein } 327927c11b6bSEli Britstein 328027c11b6bSEli Britstein return same; 328127c11b6bSEli Britstein } 3282a8e4f0c4SOr Gerlitz 3283d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 328488f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 328588f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 328688f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 328788f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 328888f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 328988f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3290d79b6df6SOr Gerlitz 3291ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 329288f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 329388f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 329488f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3295d79b6df6SOr Gerlitz 329688f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 329727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 329888f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 329927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 330088f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 330127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 330288f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 330327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 330488f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 330527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 330688f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 330727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 330888f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 330927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 331088f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 331127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 331288f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3313748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3314d79b6df6SOr Gerlitz 331588f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 331688f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 331788f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 331888f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3319d79b6df6SOr Gerlitz 332088f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 332188f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3322d79b6df6SOr Gerlitz }; 3323d79b6df6SOr Gerlitz 332482198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 332582198d8bSMaor Dickman { 332682198d8bSMaor Dickman __be32 mask_be32; 332782198d8bSMaor Dickman __be16 mask_be16; 332882198d8bSMaor Dickman 332982198d8bSMaor Dickman if (size == 32) { 333082198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 333182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 333282198d8bSMaor Dickman } else if (size == 16) { 333382198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 333482198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 333582198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 333682198d8bSMaor Dickman } 333782198d8bSMaor Dickman 333882198d8bSMaor Dickman return mask; 333982198d8bSMaor Dickman } 334009bf9792SRoi Dayan 33416ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 33426ae4a6a5SPaul Blakey int namespace, 3343e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 334427c11b6bSEli Britstein u32 *action_flags, 3345e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3346d79b6df6SOr Gerlitz { 3347d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 334809bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 334988f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 335088f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 33516ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 335282198d8bSMaor Dickman unsigned long mask, field_mask; 33532c0e5cf5SPaul Blakey int i, first, last, next_z; 33542c0e5cf5SPaul Blakey struct mlx5_fields *f; 335588f30bbcSDmytro Linkin u8 cmd; 335688f30bbcSDmytro Linkin 33576ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 33588ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 33598ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3360d79b6df6SOr Gerlitz 336173867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 336273867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 336373867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 336473867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3365d79b6df6SOr Gerlitz 3366d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 336727c11b6bSEli Britstein bool skip; 336827c11b6bSEli Britstein 3369d79b6df6SOr Gerlitz f = &fields[i]; 3370d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3371e3ca4e05SOr Gerlitz s_mask = 0; 3372e3ca4e05SOr Gerlitz a_mask = 0; 3373d79b6df6SOr Gerlitz 3374d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3375d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3376d79b6df6SOr Gerlitz 337788f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 337888f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3379d79b6df6SOr Gerlitz 3380d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3381d79b6df6SOr Gerlitz continue; 3382d79b6df6SOr Gerlitz 3383d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3384e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3385e98bedf5SEli Britstein "can't set and add to the same HW field"); 338661b6a6c3SCai Huoqing netdev_warn(priv->netdev, 338761b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 338861b6a6c3SCai Huoqing f->field); 3389d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3390d79b6df6SOr Gerlitz } 3391d79b6df6SOr Gerlitz 339227c11b6bSEli Britstein skip = false; 3393d79b6df6SOr Gerlitz if (s_mask) { 339427c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 339527c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 339627c11b6bSEli Britstein 3397d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3398d79b6df6SOr Gerlitz mask = s_mask; 3399d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 340027c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 340127c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 340288f30bbcSDmytro Linkin match_mask, f->field_bsize)) 340327c11b6bSEli Britstein skip = true; 3404d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 340588f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3406d79b6df6SOr Gerlitz } else { 3407d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3408d79b6df6SOr Gerlitz mask = a_mask; 3409d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 341027c11b6bSEli Britstein /* add 0 is no change */ 341188f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 341227c11b6bSEli Britstein skip = true; 3413d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 341488f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3415d79b6df6SOr Gerlitz } 341627c11b6bSEli Britstein if (skip) 341727c11b6bSEli Britstein continue; 3418d79b6df6SOr Gerlitz 341982198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 34202b64bebaSOr Gerlitz 342188f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 342288f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 342388f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 34242b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3425e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3426e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 342761b6a6c3SCai Huoqing netdev_warn(priv->netdev, 342861b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3429d79b6df6SOr Gerlitz mask); 3430d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3431d79b6df6SOr Gerlitz } 3432d79b6df6SOr Gerlitz 34332c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 34342c0e5cf5SPaul Blakey if (IS_ERR(action)) { 34356ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34366ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 34376ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 34386ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 34396ae4a6a5SPaul Blakey mod_acts->num_actions); 34402c0e5cf5SPaul Blakey return PTR_ERR(action); 34416ae4a6a5SPaul Blakey } 34426ae4a6a5SPaul Blakey 3443d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3444d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3445d79b6df6SOr Gerlitz 3446d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 344788f30bbcSDmytro Linkin int start; 344888f30bbcSDmytro Linkin 344982198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 345082198d8bSMaor Dickman 345188f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 345282198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 345388f30bbcSDmytro Linkin 345488f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3455d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 34562b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3457d79b6df6SOr Gerlitz } 3458d79b6df6SOr Gerlitz 345988f30bbcSDmytro Linkin if (f->field_bsize == 32) 34602b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 346188f30bbcSDmytro Linkin else if (f->field_bsize == 16) 34622b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 346388f30bbcSDmytro Linkin else if (f->field_bsize == 8) 34642b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3465d79b6df6SOr Gerlitz 34666ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3467d79b6df6SOr Gerlitz } 3468d79b6df6SOr Gerlitz 3469d79b6df6SOr Gerlitz return 0; 3470d79b6df6SOr Gerlitz } 3471d79b6df6SOr Gerlitz 3472d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3473d79b6df6SOr Gerlitz 3474918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3475c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3476c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3477c500c86bSPablo Neira Ayuso { 3478c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3479c500c86bSPablo Neira Ayuso u8 cmd; 3480c500c86bSPablo Neira Ayuso 3481d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 348209bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3483d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 348409bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3485b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3486d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3487d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3488918ed7bfSRoi Dayan return -EOPNOTSUPP; 3489918ed7bfSRoi Dayan } 3490918ed7bfSRoi Dayan } 3491918ed7bfSRoi Dayan 3492918ed7bfSRoi Dayan return 0; 3493918ed7bfSRoi Dayan } 3494918ed7bfSRoi Dayan 3495918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3496918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3497918ed7bfSRoi Dayan u32 *action_flags, 3498918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3499918ed7bfSRoi Dayan { 3500918ed7bfSRoi Dayan int err; 3501918ed7bfSRoi Dayan 3502918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3503918ed7bfSRoi Dayan if (err) 3504d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3505918ed7bfSRoi Dayan 3506918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3507918ed7bfSRoi Dayan if (err) 3508918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3509d79b6df6SOr Gerlitz 3510d79b6df6SOr Gerlitz return 0; 3511d79b6df6SOr Gerlitz 3512d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 35132c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3514d79b6df6SOr Gerlitz return err; 3515d79b6df6SOr Gerlitz } 3516d79b6df6SOr Gerlitz 35178998576bSDmytro Linkin struct ip_ttl_word { 35188998576bSDmytro Linkin __u8 ttl; 35198998576bSDmytro Linkin __u8 protocol; 35208998576bSDmytro Linkin __sum16 check; 35218998576bSDmytro Linkin }; 35228998576bSDmytro Linkin 35238998576bSDmytro Linkin struct ipv6_hoplimit_word { 35248998576bSDmytro Linkin __be16 payload_len; 35258998576bSDmytro Linkin __u8 nexthdr; 35268998576bSDmytro Linkin __u8 hop_limit; 35278998576bSDmytro Linkin }; 35288998576bSDmytro Linkin 35291836d780SRoi Dayan static bool 35301836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 35311836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 35324c3844d9SPaul Blakey struct netlink_ext_ack *extack) 35338998576bSDmytro Linkin { 35348998576bSDmytro Linkin u32 mask, offset; 35358998576bSDmytro Linkin u8 htype; 35368998576bSDmytro Linkin 35378998576bSDmytro Linkin htype = act->mangle.htype; 35388998576bSDmytro Linkin offset = act->mangle.offset; 35398998576bSDmytro Linkin mask = ~act->mangle.mask; 35408998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 35418998576bSDmytro Linkin * to determine that modified fields 35428998576bSDmytro Linkin * are NOT ttl & hop_limit only. 35438998576bSDmytro Linkin */ 35448998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 35458998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 35468998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 35478998576bSDmytro Linkin 35488998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 35498998576bSDmytro Linkin ttl_word->protocol || 35508998576bSDmytro Linkin ttl_word->check) { 35514c3844d9SPaul Blakey *modify_ip_header = true; 35524c3844d9SPaul Blakey } 35534c3844d9SPaul Blakey 35547e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 35557e36feebSPaul Blakey *modify_tuple = true; 35567e36feebSPaul Blakey 35577e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35584c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35594c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 35601836d780SRoi Dayan return false; 35618998576bSDmytro Linkin } 35628998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 35638998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 35648998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 35658998576bSDmytro Linkin 35668998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 35678998576bSDmytro Linkin hoplimit_word->payload_len || 35688998576bSDmytro Linkin hoplimit_word->nexthdr) { 35694c3844d9SPaul Blakey *modify_ip_header = true; 35708998576bSDmytro Linkin } 35714c3844d9SPaul Blakey 35727e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 35737e36feebSPaul Blakey *modify_tuple = true; 35747e36feebSPaul Blakey 35757e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35764c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35774c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 35781836d780SRoi Dayan return false; 35798998576bSDmytro Linkin } 35807e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 35817e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 35827e36feebSPaul Blakey *modify_tuple = true; 35837e36feebSPaul Blakey if (ct_flow) { 35844c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35854c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 35861836d780SRoi Dayan return false; 35874c3844d9SPaul Blakey } 35887e36feebSPaul Blakey } 35894c3844d9SPaul Blakey 35901836d780SRoi Dayan return true; 35918998576bSDmytro Linkin } 35928998576bSDmytro Linkin 359396b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 359496b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 359596b5b458SDima Chumak struct mlx5e_priv *priv, 359696b5b458SDima Chumak struct mlx5_flow_spec *spec) 359796b5b458SDima Chumak { 359896b5b458SDima Chumak if (!modify_tuple || ct_clear) 359996b5b458SDima Chumak return true; 360096b5b458SDima Chumak 360196b5b458SDima Chumak if (ct_flow) { 360296b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 360396b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 360496b5b458SDima Chumak netdev_info(priv->netdev, 360596b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 360696b5b458SDima Chumak return false; 360796b5b458SDima Chumak } 360896b5b458SDima Chumak 360996b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 361096b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 361196b5b458SDima Chumak * we can't restore ct state 361296b5b458SDima Chumak */ 361396b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 361496b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 361596b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 361696b5b458SDima Chumak netdev_info(priv->netdev, 361796b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 361896b5b458SDima Chumak return false; 361996b5b458SDima Chumak } 362096b5b458SDima Chumak 362196b5b458SDima Chumak return true; 362296b5b458SDima Chumak } 362396b5b458SDima Chumak 36243d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 36253d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 362673867881SPablo Neira Ayuso struct flow_action *flow_action, 36274c3844d9SPaul Blakey u32 actions, bool ct_flow, 36287e36feebSPaul Blakey bool ct_clear, 3629e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3630bdd66ac0SOr Gerlitz { 363173867881SPablo Neira Ayuso const struct flow_action_entry *act; 36327e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3633fca53304SEli Britstein void *headers_c; 3634bdd66ac0SOr Gerlitz void *headers_v; 3635bdd66ac0SOr Gerlitz u16 ethertype; 36368998576bSDmytro Linkin u8 ip_proto; 36371836d780SRoi Dayan int i; 3638bdd66ac0SOr Gerlitz 36398ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 36408ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3641bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3642bdd66ac0SOr Gerlitz 3643bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3644fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3645fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3646bdd66ac0SOr Gerlitz goto out_ok; 3647bdd66ac0SOr Gerlitz 3648bdd66ac0SOr Gerlitz modify_ip_header = false; 36497e36feebSPaul Blakey modify_tuple = false; 365073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 365173867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 365273867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3653bdd66ac0SOr Gerlitz continue; 3654bdd66ac0SOr Gerlitz 36551836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 36567e36feebSPaul Blakey &modify_ip_header, 36571836d780SRoi Dayan &modify_tuple, extack)) 36581836d780SRoi Dayan return false; 3659bdd66ac0SOr Gerlitz } 3660bdd66ac0SOr Gerlitz 366196b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 366296b5b458SDima Chumak priv, spec)) 36637e36feebSPaul Blakey return false; 36647e36feebSPaul Blakey 3665bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 36661ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 36671ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3668e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3669e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 36703d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 36713d486ec4SOz Shlomo ip_proto); 3672bdd66ac0SOr Gerlitz return false; 3673bdd66ac0SOr Gerlitz } 3674bdd66ac0SOr Gerlitz 3675bdd66ac0SOr Gerlitz out_ok: 3676bdd66ac0SOr Gerlitz return true; 3677bdd66ac0SOr Gerlitz } 3678bdd66ac0SOr Gerlitz 36799c1d3511SRoi Dayan static bool 36809c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 36819c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 36829c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 36839c1d3511SRoi Dayan struct netlink_ext_ack *extack) 36849c1d3511SRoi Dayan { 3685d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 36869c1d3511SRoi Dayan bool ct_flow, ct_clear; 36879c1d3511SRoi Dayan 36889c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 36899c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 36909c1d3511SRoi Dayan 3691d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3692d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 36939c1d3511SRoi Dayan /* All registers used by ct are cleared when using 36949c1d3511SRoi Dayan * split rules. 36959c1d3511SRoi Dayan */ 36969c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 36979c1d3511SRoi Dayan return false; 36989c1d3511SRoi Dayan } 36999c1d3511SRoi Dayan 3700d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3701d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3702d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3703d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3704d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3705d4f401d9SRoi Dayan return false; 3706d4f401d9SRoi Dayan } 3707d4f401d9SRoi Dayan 37089c1d3511SRoi Dayan return true; 37099c1d3511SRoi Dayan } 37109c1d3511SRoi Dayan 37119c1d3511SRoi Dayan static bool 37129c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 371373867881SPablo Neira Ayuso struct flow_action *flow_action, 37140610f8dcSRoi Dayan u32 actions, 3715bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3716e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3717e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3718bdd66ac0SOr Gerlitz { 37199c1d3511SRoi Dayan bool ct_flow, ct_clear; 3720bdd66ac0SOr Gerlitz 37219c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3722a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3723c620b772SAriel Levkovich 37249c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 37259c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 37269c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 372749397b80SDan Carpenter return false; 3728bdd66ac0SOr Gerlitz 37299c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 37309c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 37319c1d3511SRoi Dayan return false; 3732bdd66ac0SOr Gerlitz 3733bdd66ac0SOr Gerlitz return true; 3734bdd66ac0SOr Gerlitz } 3735bdd66ac0SOr Gerlitz 373632134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 373732134847SMaor Dickman { 373832134847SMaor Dickman return priv->mdev == peer_priv->mdev; 373932134847SMaor Dickman } 374032134847SMaor Dickman 3741ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 37425c65c564SOr Gerlitz { 37435c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3744816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 37455c65c564SOr Gerlitz 37465c65c564SOr Gerlitz fmdev = priv->mdev; 37475c65c564SOr Gerlitz pmdev = peer_priv->mdev; 37485c65c564SOr Gerlitz 374959c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 375059c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 37515c65c564SOr Gerlitz 3752816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 37535c65c564SOr Gerlitz } 37545c65c564SOr Gerlitz 37550bac1194SEli Britstein static int 3756d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3757d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3758d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3759d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3760d9581e2fSRoi Dayan { 3761d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 376209bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3763d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3764d9581e2fSRoi Dayan int err; 3765d9581e2fSRoi Dayan 3766d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3767d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3768d9581e2fSRoi Dayan return 0; 3769d9581e2fSRoi Dayan 3770e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3771d9581e2fSRoi Dayan 377209bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3773d9581e2fSRoi Dayan if (err) 3774d9581e2fSRoi Dayan return err; 3775d9581e2fSRoi Dayan 3776d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3777d9581e2fSRoi Dayan return 0; 3778d9581e2fSRoi Dayan 3779fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3780d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 37812c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3782d9581e2fSRoi Dayan 3783d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3784d9581e2fSRoi Dayan return 0; 3785d9581e2fSRoi Dayan 3786d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3787d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3788d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3789d9581e2fSRoi Dayan 3790d9581e2fSRoi Dayan return 0; 3791d9581e2fSRoi Dayan } 3792d9581e2fSRoi Dayan 37938300f225SRoi Dayan static struct mlx5_flow_attr* 37948300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 37958300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 37968300f225SRoi Dayan { 37978300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 37988300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 37998300f225SRoi Dayan struct mlx5_flow_attr *attr2; 38008300f225SRoi Dayan 38018300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 38028300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 38038300f225SRoi Dayan if (!attr2 || !parse_attr) { 38048300f225SRoi Dayan kvfree(parse_attr); 38058300f225SRoi Dayan kfree(attr2); 3806371c2b34SDan Carpenter return NULL; 38078300f225SRoi Dayan } 38088300f225SRoi Dayan 38098300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 38108300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 38118300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 38128300f225SRoi Dayan attr2->action = 0; 3813e9d1061dSOz Shlomo attr2->counter = NULL; 3814cca7eac1SOz Shlomo attr->tc_act_cookies_count = 0; 38158300f225SRoi Dayan attr2->flags = 0; 38168300f225SRoi Dayan attr2->parse_attr = parse_attr; 381794d65173SRoi Dayan attr2->dest_chain = 0; 381894d65173SRoi Dayan attr2->dest_ft = NULL; 38197f1a6d4bSRoi Dayan 38207f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 38217f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 38227f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 38237f1a6d4bSRoi Dayan } 38247f1a6d4bSRoi Dayan 3825f86488cbSOz Shlomo attr2->branch_true = NULL; 3826f86488cbSOz Shlomo attr2->branch_false = NULL; 3827c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 38288300f225SRoi Dayan return attr2; 38298300f225SRoi Dayan } 38308300f225SRoi Dayan 38318300f225SRoi Dayan struct mlx5_flow_attr * 38328300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 38338300f225SRoi Dayan { 38348300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 38358300f225SRoi Dayan struct mlx5_flow_attr *attr; 38368300f225SRoi Dayan int i; 38378300f225SRoi Dayan 38388300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38398300f225SRoi Dayan esw_attr = attr->esw_attr; 38408300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 38418300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 38428300f225SRoi Dayan return attr; 38438300f225SRoi Dayan } 38448300f225SRoi Dayan } 38458300f225SRoi Dayan 38468300f225SRoi Dayan return NULL; 38478300f225SRoi Dayan } 38488300f225SRoi Dayan 38498300f225SRoi Dayan void 38508300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 38518300f225SRoi Dayan { 38528300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38538300f225SRoi Dayan struct mlx5_flow_attr *attr; 38548300f225SRoi Dayan 38558300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38568300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38578300f225SRoi Dayan break; 38588300f225SRoi Dayan 38598300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 38608300f225SRoi Dayan } 38618300f225SRoi Dayan } 38628300f225SRoi Dayan 38638300f225SRoi Dayan static void 38648300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 38658300f225SRoi Dayan { 38668300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 38678300f225SRoi Dayan 38688300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 38698300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38708300f225SRoi Dayan break; 38718300f225SRoi Dayan 3872f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 3873f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3874f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 38758300f225SRoi Dayan 38768300f225SRoi Dayan list_del(&attr->list); 38778300f225SRoi Dayan kvfree(attr->parse_attr); 38788300f225SRoi Dayan kfree(attr); 38798300f225SRoi Dayan } 38808300f225SRoi Dayan } 38818300f225SRoi Dayan 38828300f225SRoi Dayan int 38838300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 38848300f225SRoi Dayan { 38858300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38868300f225SRoi Dayan struct mlx5_flow_attr *attr; 38878300f225SRoi Dayan int err = 0; 38888300f225SRoi Dayan 38898300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38908300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38918300f225SRoi Dayan break; 38928300f225SRoi Dayan 38938300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 38948300f225SRoi Dayan if (err) 38958300f225SRoi Dayan break; 38968300f225SRoi Dayan } 38978300f225SRoi Dayan 38988300f225SRoi Dayan return err; 38998300f225SRoi Dayan } 39008300f225SRoi Dayan 39018300f225SRoi Dayan /* TC filter rule HW translation: 39028300f225SRoi Dayan * 39038300f225SRoi Dayan * +---------------------+ 39048300f225SRoi Dayan * + ft prio (tc chain) + 39058300f225SRoi Dayan * + original match + 39068300f225SRoi Dayan * +---------------------+ 39078300f225SRoi Dayan * | 39088300f225SRoi Dayan * | if multi table action 39098300f225SRoi Dayan * | 39108300f225SRoi Dayan * v 39118300f225SRoi Dayan * +---------------------+ 39128300f225SRoi Dayan * + post act ft |<----. 39138300f225SRoi Dayan * + match fte id | | split on multi table action 39148300f225SRoi Dayan * + do actions |-----' 39158300f225SRoi Dayan * +---------------------+ 39168300f225SRoi Dayan * | 39178300f225SRoi Dayan * | 39188300f225SRoi Dayan * v 39198300f225SRoi Dayan * Do rest of the actions after last multi table action. 39208300f225SRoi Dayan */ 39218300f225SRoi Dayan static int 39228300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 39238300f225SRoi Dayan { 39248300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 39258300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 39268300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 39278300f225SRoi Dayan int err; 39288300f225SRoi Dayan 39298300f225SRoi Dayan /* This is going in reverse order as needed. 39308300f225SRoi Dayan * The first entry is the last attribute. 39318300f225SRoi Dayan */ 39328300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 39338300f225SRoi Dayan if (!next_attr) { 39348300f225SRoi Dayan /* Set counter action on last post act rule. */ 39358300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3936c84fa1abSOz Shlomo } 3937c84fa1abSOz Shlomo 3938c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 39398300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 39408300f225SRoi Dayan if (err) 39418300f225SRoi Dayan goto out_free; 39428300f225SRoi Dayan } 39438300f225SRoi Dayan 39448300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 39458300f225SRoi Dayan * It's being handled by the caller. 39468300f225SRoi Dayan */ 39478300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 39488300f225SRoi Dayan break; 39498300f225SRoi Dayan 39508300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 39518300f225SRoi Dayan if (err) 39528300f225SRoi Dayan goto out_free; 39538300f225SRoi Dayan 3954ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 39558300f225SRoi Dayan if (err) 39568300f225SRoi Dayan goto out_free; 39578300f225SRoi Dayan 39588300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 39598300f225SRoi Dayan if (IS_ERR(handle)) { 39608300f225SRoi Dayan err = PTR_ERR(handle); 39618300f225SRoi Dayan goto out_free; 39628300f225SRoi Dayan } 39638300f225SRoi Dayan 39648300f225SRoi Dayan attr->post_act_handle = handle; 3965c84fa1abSOz Shlomo 3966c84fa1abSOz Shlomo if (attr->jumping_attr) { 3967c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3968c84fa1abSOz Shlomo if (err) 3969c84fa1abSOz Shlomo goto out_free; 3970c84fa1abSOz Shlomo } 3971c84fa1abSOz Shlomo 39728300f225SRoi Dayan next_attr = attr; 39738300f225SRoi Dayan } 39748300f225SRoi Dayan 39758300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 39768300f225SRoi Dayan goto out; 39778300f225SRoi Dayan 39788300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 39798300f225SRoi Dayan if (err) 39808300f225SRoi Dayan goto out_free; 39818300f225SRoi Dayan 39828300f225SRoi Dayan out: 39838300f225SRoi Dayan return 0; 39848300f225SRoi Dayan 39858300f225SRoi Dayan out_free: 39868300f225SRoi Dayan free_flow_post_acts(flow); 39878300f225SRoi Dayan return err; 39888300f225SRoi Dayan } 39898300f225SRoi Dayan 39908300f225SRoi Dayan static int 3991f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 3992f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 3993f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 3994f86488cbSOz Shlomo u32 *jump_count, 3995f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3996f86488cbSOz Shlomo { 3997f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 3998f86488cbSOz Shlomo int err = 0; 3999f86488cbSOz Shlomo 4000f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 4001f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 4002f86488cbSOz Shlomo if (!(*cond_attr)) 4003f86488cbSOz Shlomo return -ENOMEM; 4004f86488cbSOz Shlomo 4005f86488cbSOz Shlomo attr = *cond_attr; 4006f86488cbSOz Shlomo 4007f86488cbSOz Shlomo switch (cond->act_id) { 4008f86488cbSOz Shlomo case FLOW_ACTION_DROP: 4009f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 4010f86488cbSOz Shlomo break; 4011f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 4012f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 4013f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4014f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 4015f86488cbSOz Shlomo break; 4016f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 4017f86488cbSOz Shlomo if (*jump_count) { 4018f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 4019f86488cbSOz Shlomo err = -EOPNOTSUPP; 4020f86488cbSOz Shlomo goto out_err; 4021f86488cbSOz Shlomo } 4022f86488cbSOz Shlomo *jump_count = cond->extval; 4023f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4024f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 4025f86488cbSOz Shlomo break; 4026f86488cbSOz Shlomo default: 4027f86488cbSOz Shlomo err = -EOPNOTSUPP; 4028f86488cbSOz Shlomo goto out_err; 4029f86488cbSOz Shlomo } 4030f86488cbSOz Shlomo 4031f86488cbSOz Shlomo return err; 4032f86488cbSOz Shlomo out_err: 4033f86488cbSOz Shlomo kfree(*cond_attr); 4034f86488cbSOz Shlomo *cond_attr = NULL; 4035f86488cbSOz Shlomo return err; 4036f86488cbSOz Shlomo } 4037f86488cbSOz Shlomo 4038c84fa1abSOz Shlomo static void 4039c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 4040c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 4041c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 4042c84fa1abSOz Shlomo { 4043c84fa1abSOz Shlomo if (!jump_state->jump_count) 4044c84fa1abSOz Shlomo return; 4045c84fa1abSOz Shlomo 4046c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 4047c84fa1abSOz Shlomo * Jump only over a tc action 4048c84fa1abSOz Shlomo */ 4049c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 4050c84fa1abSOz Shlomo return; 4051c84fa1abSOz Shlomo 4052c84fa1abSOz Shlomo jump_state->last_id = act->id; 4053c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 4054c84fa1abSOz Shlomo 4055c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 4056c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 4057c84fa1abSOz Shlomo return; 4058c84fa1abSOz Shlomo 4059c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 4060c84fa1abSOz Shlomo 4061c84fa1abSOz Shlomo /* create a new attribute after this action */ 4062c84fa1abSOz Shlomo jump_state->jump_target = true; 4063c84fa1abSOz Shlomo 4064c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 4065c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 4066c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 4067c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 4068c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 4069c84fa1abSOz Shlomo 4070c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4071c84fa1abSOz Shlomo post_act = get_post_action(priv); 4072c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 4073c84fa1abSOz Shlomo } 4074c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 4075c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 4076c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 4077c84fa1abSOz Shlomo */ 4078c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 4079c84fa1abSOz Shlomo } 4080c84fa1abSOz Shlomo } 4081c84fa1abSOz Shlomo 4082f86488cbSOz Shlomo static int 4083f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 4084f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 4085c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 4086f86488cbSOz Shlomo struct netlink_ext_ack *extack) 4087f86488cbSOz Shlomo { 4088f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 4089c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 4090f86488cbSOz Shlomo int err; 4091f86488cbSOz Shlomo 4092f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 4093f86488cbSOz Shlomo return 0; 4094f86488cbSOz Shlomo 4095f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 4096f86488cbSOz Shlomo 4097f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 4098f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 4099f86488cbSOz Shlomo if (err) 4100f86488cbSOz Shlomo goto out_err; 4101f86488cbSOz Shlomo 4102c84fa1abSOz Shlomo if (jump_count) 4103c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 4104c84fa1abSOz Shlomo 4105f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 4106f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 4107f86488cbSOz Shlomo if (err) 4108f86488cbSOz Shlomo goto err_branch_false; 4109f86488cbSOz Shlomo 4110c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 4111c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 4112c84fa1abSOz Shlomo 4113c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 4114e9d1061dSOz Shlomo 4115e9d1061dSOz Shlomo /* branching action requires its own counter */ 4116e9d1061dSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 41172b68d659SOz Shlomo flow_flag_set(flow, USE_ACT_STATS); 4118e9d1061dSOz Shlomo 4119f86488cbSOz Shlomo return 0; 4120f86488cbSOz Shlomo 4121f86488cbSOz Shlomo err_branch_false: 4122f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 4123f86488cbSOz Shlomo out_err: 4124f86488cbSOz Shlomo return err; 4125f86488cbSOz Shlomo } 4126f86488cbSOz Shlomo 4127f86488cbSOz Shlomo static int 41288300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 41298300f225SRoi Dayan struct flow_action *flow_action) 41308300f225SRoi Dayan { 41318300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 41328300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 41338300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 4134c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 41358300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 41368300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 41378300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 41388300f225SRoi Dayan struct flow_action_entry *act, **_act; 41398300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 41408300f225SRoi Dayan int err, i; 41418300f225SRoi Dayan 41428300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 41438300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 41448300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 41458300f225SRoi Dayan if (!flow_action_reorder.entries) 41468300f225SRoi Dayan return -ENOMEM; 41478300f225SRoi Dayan 41488300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 41498300f225SRoi Dayan 41508300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 41518300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 41528300f225SRoi Dayan 41538300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 4154c84fa1abSOz Shlomo jump_state.jump_target = false; 41558300f225SRoi Dayan act = *_act; 41568300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 41578300f225SRoi Dayan if (!tc_act) { 41588300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 41598300f225SRoi Dayan err = -EOPNOTSUPP; 41608300f225SRoi Dayan goto out_free; 41618300f225SRoi Dayan } 41628300f225SRoi Dayan 41638300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 41648300f225SRoi Dayan err = -EOPNOTSUPP; 41658300f225SRoi Dayan goto out_free; 41668300f225SRoi Dayan } 41678300f225SRoi Dayan 41688300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 41698300f225SRoi Dayan if (err) 41708300f225SRoi Dayan goto out_free; 41718300f225SRoi Dayan 4172c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 4173c84fa1abSOz Shlomo 4174c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 4175f86488cbSOz Shlomo if (err) 4176f86488cbSOz Shlomo goto out_free; 4177f86488cbSOz Shlomo 41788300f225SRoi Dayan parse_state->actions |= attr->action; 4179cca7eac1SOz Shlomo if (!tc_act->stats_action) 4180cca7eac1SOz Shlomo attr->tc_act_cookies[attr->tc_act_cookies_count++] = act->act_cookie; 41818300f225SRoi Dayan 41828300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 4183c84fa1abSOz Shlomo if (jump_state.jump_target || 4184c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 41858300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 4186c84fa1abSOz Shlomo i < flow_action_reorder.num_entries - 1)) { 41878300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 41888300f225SRoi Dayan if (err) 41898300f225SRoi Dayan goto out_free; 41908300f225SRoi Dayan 41918300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 41928300f225SRoi Dayan if (!attr) { 41938300f225SRoi Dayan err = -ENOMEM; 41948300f225SRoi Dayan goto out_free; 41958300f225SRoi Dayan } 41968300f225SRoi Dayan 41978300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 41988300f225SRoi Dayan } 41998300f225SRoi Dayan } 42008300f225SRoi Dayan 42018300f225SRoi Dayan kfree(flow_action_reorder.entries); 42028300f225SRoi Dayan 42038300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 42048300f225SRoi Dayan if (err) 42058300f225SRoi Dayan goto out_free_post_acts; 42068300f225SRoi Dayan 42078300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 42088300f225SRoi Dayan if (err) 42098300f225SRoi Dayan goto out_free_post_acts; 42108300f225SRoi Dayan 42118300f225SRoi Dayan return 0; 42128300f225SRoi Dayan 42138300f225SRoi Dayan out_free: 42148300f225SRoi Dayan kfree(flow_action_reorder.entries); 42158300f225SRoi Dayan out_free_post_acts: 42168300f225SRoi Dayan free_flow_post_acts(flow); 42178300f225SRoi Dayan 42188300f225SRoi Dayan return err; 42198300f225SRoi Dayan } 42208300f225SRoi Dayan 4221d9581e2fSRoi Dayan static int 4222df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 4223df990477SRoi Dayan struct netlink_ext_ack *extack) 4224df990477SRoi Dayan { 4225df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 4226df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 4227df990477SRoi Dayan return -EINVAL; 4228df990477SRoi Dayan } 4229df990477SRoi Dayan 4230df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 4231df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 4232df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4233df990477SRoi Dayan return -EOPNOTSUPP; 4234df990477SRoi Dayan } 4235df990477SRoi Dayan 4236df990477SRoi Dayan return 0; 4237df990477SRoi Dayan } 4238df990477SRoi Dayan 4239df990477SRoi Dayan static int 4240d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 424173867881SPablo Neira Ayuso struct flow_action *flow_action, 4242e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 4243e98bedf5SEli Britstein struct netlink_ext_ack *extack) 4244e3a2b7edSAmir Vadai { 4245fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4246c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4247c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 42488333d53eSRoi Dayan int err; 4249e3a2b7edSAmir Vadai 4250df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4251df990477SRoi Dayan if (err) 4252df990477SRoi Dayan return err; 4253319a1d19SJiri Pirko 4254fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 4255c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 4256fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4257fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4258758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4259e3a2b7edSAmir Vadai 42608333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4261fad54790SRoi Dayan if (err) 4262fad54790SRoi Dayan return err; 4263e3a2b7edSAmir Vadai 426409bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4265d9581e2fSRoi Dayan if (err) 4266d9581e2fSRoi Dayan return err; 4267d9581e2fSRoi Dayan 426864426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 426964426382SOz Shlomo if (err) 427064426382SOz Shlomo return err; 427164426382SOz Shlomo 42720610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 42730610f8dcSRoi Dayan parse_attr, flow, extack)) 4274bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4275bdd66ac0SOr Gerlitz 4276e3a2b7edSAmir Vadai return 0; 4277e3a2b7edSAmir Vadai } 4278e3a2b7edSAmir Vadai 427932134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4280b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4281b1d90e6bSRabie Loulou { 4282b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4283b1d90e6bSRabie Loulou 4284b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4285b1d90e6bSRabie Loulou 4286b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 428732134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 428832134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4289ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4290d34eb2fcSOr Gerlitz } 4291d34eb2fcSOr Gerlitz 429232134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 429332134847SMaor Dickman struct net_device *peer_netdev) 429432134847SMaor Dickman { 429532134847SMaor Dickman struct mlx5e_priv *peer_priv; 429632134847SMaor Dickman 429732134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 429832134847SMaor Dickman 429932134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 430032134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4301ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 430232134847SMaor Dickman } 430332134847SMaor Dickman 430432134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 430532134847SMaor Dickman struct net_device *peer_netdev) 430632134847SMaor Dickman { 430732134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 430832134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 430932134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 431032134847SMaor Dickman } 431132134847SMaor Dickman 431294db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 431394db3317SEli Cohen { 4314*8ce81fc0SRoi Dayan return same_hw_reps(priv, out_dev) && mlx5_lag_is_mpesw(priv->mdev); 431594db3317SEli Cohen } 431694db3317SEli Cohen 4317f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4318f6dc1264SPaul Blakey struct net_device *out_dev) 4319f6dc1264SPaul Blakey { 432032134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 432132134847SMaor Dickman return true; 432232134847SMaor Dickman 432394db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 432494db3317SEli Cohen return true; 432594db3317SEli Cohen 432632134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4327f6dc1264SPaul Blakey return true; 4328f6dc1264SPaul Blakey 4329f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 433032134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4331f6dc1264SPaul Blakey } 4332f6dc1264SPaul Blakey 433327484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 433427484f71SAriel Levkovich struct mlx5_flow_attr *attr, 433527484f71SAriel Levkovich int ifindex, 433627484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 433727484f71SAriel Levkovich u32 *action, 433827484f71SAriel Levkovich int out_index) 433927484f71SAriel Levkovich { 434027484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 434127484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 434227484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 434327484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 434427484f71SAriel Levkovich int err; 434527484f71SAriel Levkovich 434627484f71SAriel Levkovich parse_attr = attr->parse_attr; 434727484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 434827484f71SAriel Levkovich 434927484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 435027484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 435127484f71SAriel Levkovich return PTR_ERR(dest_int_port); 435227484f71SAriel Levkovich 435327484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 435427484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 435527484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 435627484f71SAriel Levkovich if (err) { 435727484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 435827484f71SAriel Levkovich return err; 435927484f71SAriel Levkovich } 436027484f71SAriel Levkovich 436127484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 436227484f71SAriel Levkovich 436327484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 436427484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 436527484f71SAriel Levkovich 436627484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 436727484f71SAriel Levkovich attr->dest_chain = 0; 436827484f71SAriel Levkovich 436927484f71SAriel Levkovich return 0; 437027484f71SAriel Levkovich } 437127484f71SAriel Levkovich 43728333d53eSRoi Dayan static int 43738333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 437473867881SPablo Neira Ayuso struct flow_action *flow_action, 4375e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 437670f8019eSRoi Dayan struct netlink_ext_ack *extack) 4377a54e20b4SHadar Hen Zion { 4378fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4379c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4380c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4381c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4382f382a241SAriel Levkovich struct net_device *filter_dev; 43838333d53eSRoi Dayan int err; 438403a9d11eSOr Gerlitz 4385df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4386df990477SRoi Dayan if (err) 4387df990477SRoi Dayan return err; 4388319a1d19SJiri Pirko 4389c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4390c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4391f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4392fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4393fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4394758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4395c620b772SAriel Levkovich 43968333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4397fad54790SRoi Dayan if (err) 4398fad54790SRoi Dayan return err; 4399bdd66ac0SOr Gerlitz 4400166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4401f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4402166f431eSAriel Levkovich esw_attr->out_count > 1) { 440327484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4404166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 440527484f71SAriel Levkovich return -EOPNOTSUPP; 440627484f71SAriel Levkovich } 440727484f71SAriel Levkovich 4408f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4409f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4410f382a241SAriel Levkovich esw_attr->dest_int_port) { 4411f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4412f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4413f382a241SAriel Levkovich return -EOPNOTSUPP; 4414f382a241SAriel Levkovich } 4415f382a241SAriel Levkovich 441609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4417c500c86bSPablo Neira Ayuso if (err) 4418c500c86bSPablo Neira Ayuso return err; 4419c500c86bSPablo Neira Ayuso 44200610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 44210610f8dcSRoi Dayan parse_attr, flow, extack)) 4422bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4423bdd66ac0SOr Gerlitz 442431c8eba5SOr Gerlitz return 0; 442503a9d11eSOr Gerlitz } 442603a9d11eSOr Gerlitz 4427226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 442860bd4af8SOr Gerlitz { 4429226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 443060bd4af8SOr Gerlitz 4431226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4432226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4433226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4434226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 443560bd4af8SOr Gerlitz 4436226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4437226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4438226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4439226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 444084179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 444184179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4442d9ee0491SOr Gerlitz 444360bd4af8SOr Gerlitz *flow_flags = __flow_flags; 444460bd4af8SOr Gerlitz } 444560bd4af8SOr Gerlitz 444605866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 444705866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 444805866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 444905866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 445005866c82SOr Gerlitz .automatic_shrinking = true, 445105866c82SOr Gerlitz }; 445205866c82SOr Gerlitz 4453226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4454226f2ca3SVlad Buslov unsigned long flags) 445505866c82SOr Gerlitz { 4456f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4457d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4458655dc3d2SOr Gerlitz 4459226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4460d1a3138fSPaul Blakey rpriv = priv->ppriv; 4461d1a3138fSPaul Blakey return &rpriv->tc_ht; 4462d9ee0491SOr Gerlitz } else /* NIC offload */ 4463f52f2faeSLama Kayal return &tc->ht; 446405866c82SOr Gerlitz } 446505866c82SOr Gerlitz 446604de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 446704de7ddaSRoi Dayan { 4468c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4469c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4470c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4471226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 44721418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 44731418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4474c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 44751418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 44761418ddd9SAviv Heller 447710fbb1cdSRoi Dayan if (!esw_paired) 447810fbb1cdSRoi Dayan return false; 447910fbb1cdSRoi Dayan 4480c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4481c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 448210fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 448310fbb1cdSRoi Dayan return true; 448410fbb1cdSRoi Dayan 4485*8ce81fc0SRoi Dayan if (mlx5_lag_is_mpesw(esw_attr->in_mdev)) 4486*8ce81fc0SRoi Dayan return true; 4487*8ce81fc0SRoi Dayan 448810fbb1cdSRoi Dayan return false; 448904de7ddaSRoi Dayan } 449004de7ddaSRoi Dayan 4491c620b772SAriel Levkovich struct mlx5_flow_attr * 4492c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4493c620b772SAriel Levkovich { 4494c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4495c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4496c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4497c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4498c620b772SAriel Levkovich 44998300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 45008300f225SRoi Dayan if (!attr) 45018300f225SRoi Dayan return attr; 45028300f225SRoi Dayan 45038300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 45048300f225SRoi Dayan return attr; 4505c620b772SAriel Levkovich } 4506c620b772SAriel Levkovich 4507f86488cbSOz Shlomo static void 4508f86488cbSOz Shlomo mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4509f86488cbSOz Shlomo { 4510f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4511f86488cbSOz Shlomo bool vf_tun; 4512f86488cbSOz Shlomo 4513f86488cbSOz Shlomo if (!attr) 4514f86488cbSOz Shlomo return; 4515f86488cbSOz Shlomo 4516f86488cbSOz Shlomo if (attr->post_act_handle) 4517f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4518f86488cbSOz Shlomo 4519f86488cbSOz Shlomo clean_encap_dests(flow->priv, flow, attr, &vf_tun); 4520f86488cbSOz Shlomo 4521f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4522f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4523f86488cbSOz Shlomo 4524f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4525f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4526ef78b8d5SRoi Dayan mlx5e_tc_detach_mod_hdr(flow->priv, flow, attr); 4527f86488cbSOz Shlomo } 4528f86488cbSOz Shlomo } 4529f86488cbSOz Shlomo 4530a88780a9SRoi Dayan static int 4531a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4532226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4533a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4534a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4535e3a2b7edSAmir Vadai { 453617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4537c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 45383bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4539ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4540ff7ea04aSGustavo A. R. Silva int out_index; 4541776b12b6SOr Gerlitz 4542c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 45431b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4544ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4545ff7ea04aSGustavo A. R. Silva goto err_free; 4546c620b772SAriel Levkovich 4547c620b772SAriel Levkovich flow->flags = flow_flags; 4548c620b772SAriel Levkovich flow->cookie = f->cookie; 4549c620b772SAriel Levkovich flow->priv = priv; 4550c620b772SAriel Levkovich 4551e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4552ff7ea04aSGustavo A. R. Silva if (!attr) 4553e3a2b7edSAmir Vadai goto err_free; 4554ff7ea04aSGustavo A. R. Silva 4555c620b772SAriel Levkovich flow->attr = attr; 4556e3a2b7edSAmir Vadai 45575a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 45585a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 45595a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 456014e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 45618300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 45625a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 456395435ad7SVlad Buslov init_completion(&flow->init_done); 4564362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4565e3a2b7edSAmir Vadai 4566a88780a9SRoi Dayan *__flow = flow; 4567a88780a9SRoi Dayan *__parse_attr = parse_attr; 4568a88780a9SRoi Dayan 4569a88780a9SRoi Dayan return 0; 4570a88780a9SRoi Dayan 4571a88780a9SRoi Dayan err_free: 4572a88780a9SRoi Dayan kfree(flow); 4573a88780a9SRoi Dayan kvfree(parse_attr); 4574a88780a9SRoi Dayan return err; 4575adb4c123SOr Gerlitz } 4576adb4c123SOr Gerlitz 4577988ab9c7STonghao Zhang static void 4578c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4579c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4580c7569097SAriel Levkovich struct flow_cls_offload *f) 4581c7569097SAriel Levkovich { 4582c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4583c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4584c7569097SAriel Levkovich attr->prio = f->common.prio; 4585c7569097SAriel Levkovich } 4586c7569097SAriel Levkovich 4587c7569097SAriel Levkovich static void 4588c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4589988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4590988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4591f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4592988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4593988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4594988ab9c7STonghao Zhang { 4595988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4596c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4597988ab9c7STonghao Zhang 4598c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4599988ab9c7STonghao Zhang 4600988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4601988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4602988ab9c7STonghao Zhang 4603988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4604988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4605988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4606988ab9c7STonghao Zhang else 4607988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4608988ab9c7STonghao Zhang } 4609988ab9c7STonghao Zhang 461071129676SJason Gunthorpe static struct mlx5e_tc_flow * 461104de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4612f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4613226f2ca3SVlad Buslov unsigned long flow_flags, 4614d11afc26SOz Shlomo struct net_device *filter_dev, 461504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 461671129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4617a88780a9SRoi Dayan { 4618f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4619a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4620a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4621a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4622a88780a9SRoi Dayan int attr_size, err; 4623a88780a9SRoi Dayan 4624226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4625a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4626a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4627a88780a9SRoi Dayan &parse_attr, &flow); 4628a88780a9SRoi Dayan if (err) 4629a88780a9SRoi Dayan goto out; 4630988ab9c7STonghao Zhang 4631d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4632c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4633988ab9c7STonghao Zhang priv, parse_attr, 4634988ab9c7STonghao Zhang f, in_rep, in_mdev); 4635988ab9c7STonghao Zhang 463654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 463754c177caSOz Shlomo f, filter_dev); 4638d11afc26SOz Shlomo if (err) 4639d11afc26SOz Shlomo goto err_free; 4640a88780a9SRoi Dayan 46417e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4642aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4643c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4644a88780a9SRoi Dayan if (err) 4645a88780a9SRoi Dayan goto err_free; 4646a88780a9SRoi Dayan 464770f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 46484c3844d9SPaul Blakey if (err) 46494c3844d9SPaul Blakey goto err_free; 46504c3844d9SPaul Blakey 46517040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 465295435ad7SVlad Buslov complete_all(&flow->init_done); 4653ef06c9eeSRoi Dayan if (err) { 4654ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4655a32327a3SRoi Dayan goto err_free; 46565c40348cSOr Gerlitz 4657b4a23329SRoi Dayan add_unready_flow(flow); 4658ef06c9eeSRoi Dayan } 4659ef06c9eeSRoi Dayan 466071129676SJason Gunthorpe return flow; 4661e3a2b7edSAmir Vadai 4662e3a2b7edSAmir Vadai err_free: 46635a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4664a88780a9SRoi Dayan out: 466571129676SJason Gunthorpe return ERR_PTR(err); 4666a88780a9SRoi Dayan } 4667a88780a9SRoi Dayan 4668f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 466995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4670226f2ca3SVlad Buslov unsigned long flow_flags) 467104de7ddaSRoi Dayan { 467204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 467304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4674c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 467504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 467604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 467704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 467804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 467904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 468004de7ddaSRoi Dayan int err = 0; 468104de7ddaSRoi Dayan 468204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 468304de7ddaSRoi Dayan if (!peer_esw) 468404de7ddaSRoi Dayan return -ENODEV; 468504de7ddaSRoi Dayan 468604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 468704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 468804de7ddaSRoi Dayan 468904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 469004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 469104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 469204de7ddaSRoi Dayan * peer mdev. 4693*8ce81fc0SRoi Dayan * In multiport eswitch it's a special case that we need to 4694*8ce81fc0SRoi Dayan * keep the original mdev. 469504de7ddaSRoi Dayan */ 4696*8ce81fc0SRoi Dayan if (attr->in_rep->vport == MLX5_VPORT_UPLINK && !mlx5_lag_is_mpesw(priv->mdev)) 469704de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 469804de7ddaSRoi Dayan else 469904de7ddaSRoi Dayan in_mdev = priv->mdev; 470004de7ddaSRoi Dayan 4701c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 470295dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 470304de7ddaSRoi Dayan parse_attr->filter_dev, 4704c620b772SAriel Levkovich attr->in_rep, in_mdev); 470571129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 470671129676SJason Gunthorpe err = PTR_ERR(peer_flow); 470704de7ddaSRoi Dayan goto out; 470871129676SJason Gunthorpe } 470904de7ddaSRoi Dayan 471004de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4711226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 471204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 471304de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 471404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 471504de7ddaSRoi Dayan 471604de7ddaSRoi Dayan out: 471704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 471804de7ddaSRoi Dayan return err; 471904de7ddaSRoi Dayan } 472004de7ddaSRoi Dayan 472104de7ddaSRoi Dayan static int 472204de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4723f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4724226f2ca3SVlad Buslov unsigned long flow_flags, 472504de7ddaSRoi Dayan struct net_device *filter_dev, 472604de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 472704de7ddaSRoi Dayan { 472804de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 472904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 473004de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 473104de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 473204de7ddaSRoi Dayan int err; 473304de7ddaSRoi Dayan 473471129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 473571129676SJason Gunthorpe in_mdev); 473671129676SJason Gunthorpe if (IS_ERR(flow)) 473771129676SJason Gunthorpe return PTR_ERR(flow); 473804de7ddaSRoi Dayan 473904de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 474095dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 474104de7ddaSRoi Dayan if (err) { 474204de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 474304de7ddaSRoi Dayan goto out; 474404de7ddaSRoi Dayan } 474504de7ddaSRoi Dayan } 474604de7ddaSRoi Dayan 474704de7ddaSRoi Dayan *__flow = flow; 474804de7ddaSRoi Dayan 474904de7ddaSRoi Dayan return 0; 475004de7ddaSRoi Dayan 475104de7ddaSRoi Dayan out: 475204de7ddaSRoi Dayan return err; 475304de7ddaSRoi Dayan } 475404de7ddaSRoi Dayan 4755a88780a9SRoi Dayan static int 4756a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4757f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4758226f2ca3SVlad Buslov unsigned long flow_flags, 4759d11afc26SOz Shlomo struct net_device *filter_dev, 4760a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4761a88780a9SRoi Dayan { 4762f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4763a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4764a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4765a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4766a88780a9SRoi Dayan int attr_size, err; 4767a88780a9SRoi Dayan 4768c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4769bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4770bf07aa73SPaul Blakey return -EOPNOTSUPP; 4771c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4772c7569097SAriel Levkovich return -EOPNOTSUPP; 4773c7569097SAriel Levkovich } 4774bf07aa73SPaul Blakey 4775226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4776a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4777a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4778a88780a9SRoi Dayan &parse_attr, &flow); 4779a88780a9SRoi Dayan if (err) 4780a88780a9SRoi Dayan goto out; 4781a88780a9SRoi Dayan 4782d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4783c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4784c7569097SAriel Levkovich 478554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 478654c177caSOz Shlomo f, filter_dev); 4787d11afc26SOz Shlomo if (err) 4788d11afc26SOz Shlomo goto err_free; 4789d11afc26SOz Shlomo 4790aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4791aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4792aedd133dSAriel Levkovich if (err) 4793aedd133dSAriel Levkovich goto err_free; 4794aedd133dSAriel Levkovich 4795c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4796a88780a9SRoi Dayan if (err) 4797a88780a9SRoi Dayan goto err_free; 4798a88780a9SRoi Dayan 4799c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4800a88780a9SRoi Dayan if (err) 4801a88780a9SRoi Dayan goto err_free; 4802a88780a9SRoi Dayan 4803226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4804a88780a9SRoi Dayan *__flow = flow; 4805a88780a9SRoi Dayan 4806a88780a9SRoi Dayan return 0; 4807a88780a9SRoi Dayan 4808a88780a9SRoi Dayan err_free: 48098914add2SVlad Buslov flow_flag_set(flow, FAILED); 48102c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 48115a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4812a88780a9SRoi Dayan out: 4813a88780a9SRoi Dayan return err; 4814a88780a9SRoi Dayan } 4815a88780a9SRoi Dayan 4816a88780a9SRoi Dayan static int 4817a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4818f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4819226f2ca3SVlad Buslov unsigned long flags, 4820d11afc26SOz Shlomo struct net_device *filter_dev, 4821a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4822a88780a9SRoi Dayan { 4823a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4824226f2ca3SVlad Buslov unsigned long flow_flags; 4825a88780a9SRoi Dayan int err; 4826a88780a9SRoi Dayan 4827a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4828a88780a9SRoi Dayan 4829bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4830bf07aa73SPaul Blakey return -EOPNOTSUPP; 4831bf07aa73SPaul Blakey 4832f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4833d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4834d11afc26SOz Shlomo filter_dev, flow); 4835a88780a9SRoi Dayan else 4836d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4837d11afc26SOz Shlomo filter_dev, flow); 4838a88780a9SRoi Dayan 4839a88780a9SRoi Dayan return err; 4840a88780a9SRoi Dayan } 4841a88780a9SRoi Dayan 4842553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4843553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4844553f9328SVu Pham { 4845553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 48462fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 48472fb15e72SVlad Buslov * function is called from NIC mode. 4848553f9328SVu Pham */ 48492fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4850553f9328SVu Pham } 4851553f9328SVu Pham 485271d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4853226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4854a88780a9SRoi Dayan { 4855a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4856d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4857553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4858a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4859a88780a9SRoi Dayan int err = 0; 4860a88780a9SRoi Dayan 48617dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4862794131c4SJianbo Liu return -EBUSY; 48637dc84de9SRoi Dayan 48647dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 48657dc84de9SRoi Dayan 4866c5d326b2SVlad Buslov rcu_read_lock(); 4867c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4868a88780a9SRoi Dayan if (flow) { 4869553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4870553f9328SVu Pham * just return 0. 4871553f9328SVu Pham */ 4872553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4873c1aea9e1SVlad Buslov goto rcu_unlock; 4874553f9328SVu Pham 4875a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4876a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4877a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4878a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4879a88780a9SRoi Dayan f->cookie); 48800e1c1a2fSVlad Buslov err = -EEXIST; 4881c1aea9e1SVlad Buslov goto rcu_unlock; 4882a88780a9SRoi Dayan } 4883c1aea9e1SVlad Buslov rcu_unlock: 4884c1aea9e1SVlad Buslov rcu_read_unlock(); 4885c1aea9e1SVlad Buslov if (flow) 4886c1aea9e1SVlad Buslov goto out; 4887a88780a9SRoi Dayan 48887a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4889d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4890a88780a9SRoi Dayan if (err) 4891a88780a9SRoi Dayan goto out; 4892a88780a9SRoi Dayan 4893553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4894553f9328SVu Pham * set the flow's owner dev. 4895553f9328SVu Pham */ 4896553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4897553f9328SVu Pham flow->orig_dev = dev; 4898553f9328SVu Pham 4899c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4900a88780a9SRoi Dayan if (err) 4901a88780a9SRoi Dayan goto err_free; 4902a88780a9SRoi Dayan 49037dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4904a88780a9SRoi Dayan return 0; 4905a88780a9SRoi Dayan 4906a88780a9SRoi Dayan err_free: 49075a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4908a88780a9SRoi Dayan out: 49097dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 49107dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4911e3a2b7edSAmir Vadai return err; 4912e3a2b7edSAmir Vadai } 4913e3a2b7edSAmir Vadai 49148f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 49158f8ae895SOr Gerlitz { 4916226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4917226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 49188f8ae895SOr Gerlitz 4919226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4920226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 49218f8ae895SOr Gerlitz } 49228f8ae895SOr Gerlitz 492371d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4924226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4925e3a2b7edSAmir Vadai { 4926d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4927e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4928c5d326b2SVlad Buslov int err; 4929e3a2b7edSAmir Vadai 4930c5d326b2SVlad Buslov rcu_read_lock(); 4931ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4932c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4933c5d326b2SVlad Buslov err = -EINVAL; 4934c5d326b2SVlad Buslov goto errout; 4935c5d326b2SVlad Buslov } 4936e3a2b7edSAmir Vadai 4937c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4938c5d326b2SVlad Buslov * set. 4939c5d326b2SVlad Buslov */ 4940c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4941c5d326b2SVlad Buslov err = -EINVAL; 4942c5d326b2SVlad Buslov goto errout; 4943c5d326b2SVlad Buslov } 494405866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4945c5d326b2SVlad Buslov rcu_read_unlock(); 4946e3a2b7edSAmir Vadai 49477a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 49485a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4949e3a2b7edSAmir Vadai 49507dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4951e3a2b7edSAmir Vadai return 0; 4952c5d326b2SVlad Buslov 4953c5d326b2SVlad Buslov errout: 4954c5d326b2SVlad Buslov rcu_read_unlock(); 4955c5d326b2SVlad Buslov return err; 4956e3a2b7edSAmir Vadai } 4957e3a2b7edSAmir Vadai 49582b68d659SOz Shlomo int mlx5e_tc_fill_action_stats(struct mlx5e_priv *priv, 49592b68d659SOz Shlomo struct flow_offload_action *fl_act) 49602b68d659SOz Shlomo { 49612b68d659SOz Shlomo return mlx5e_tc_act_stats_fill_stats(get_act_stats_handle(priv), fl_act); 49622b68d659SOz Shlomo } 49632b68d659SOz Shlomo 496471d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4965226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4966aad7e08dSAmir Vadai { 496704de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4968d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 496904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4970aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4971aad7e08dSAmir Vadai struct mlx5_fc *counter; 4972316d5f72SRoi Dayan u64 lastuse = 0; 4973316d5f72SRoi Dayan u64 packets = 0; 4974316d5f72SRoi Dayan u64 bytes = 0; 49755a7e5bcbSVlad Buslov int err = 0; 4976aad7e08dSAmir Vadai 4977c5d326b2SVlad Buslov rcu_read_lock(); 4978c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 49795a7e5bcbSVlad Buslov tc_ht_params)); 4980c5d326b2SVlad Buslov rcu_read_unlock(); 49815a7e5bcbSVlad Buslov if (IS_ERR(flow)) 49825a7e5bcbSVlad Buslov return PTR_ERR(flow); 49835a7e5bcbSVlad Buslov 49845a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 49855a7e5bcbSVlad Buslov err = -EINVAL; 49865a7e5bcbSVlad Buslov goto errout; 49875a7e5bcbSVlad Buslov } 4988aad7e08dSAmir Vadai 49894c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 49902b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 49912b68d659SOz Shlomo f->use_act_stats = true; 49922b68d659SOz Shlomo } else { 4993b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4994aad7e08dSAmir Vadai if (!counter) 49955a7e5bcbSVlad Buslov goto errout; 4996aad7e08dSAmir Vadai 4997aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4998316d5f72SRoi Dayan } 49992b68d659SOz Shlomo } 5000aad7e08dSAmir Vadai 5001316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 5002316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 5003316d5f72SRoi Dayan */ 500404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 500504de7ddaSRoi Dayan if (!peer_esw) 500604de7ddaSRoi Dayan goto out; 500704de7ddaSRoi Dayan 5008226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 5009226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 501004de7ddaSRoi Dayan u64 bytes2; 501104de7ddaSRoi Dayan u64 packets2; 501204de7ddaSRoi Dayan u64 lastuse2; 501304de7ddaSRoi Dayan 50142b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 50152b68d659SOz Shlomo f->use_act_stats = true; 50162b68d659SOz Shlomo } else { 501704de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 5018316d5f72SRoi Dayan if (!counter) 5019316d5f72SRoi Dayan goto no_peer_counter; 502004de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 502104de7ddaSRoi Dayan 502204de7ddaSRoi Dayan bytes += bytes2; 502304de7ddaSRoi Dayan packets += packets2; 502404de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 502504de7ddaSRoi Dayan } 50262b68d659SOz Shlomo } 502704de7ddaSRoi Dayan 5028316d5f72SRoi Dayan no_peer_counter: 502904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 503004de7ddaSRoi Dayan out: 50314b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 503293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 50337a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 50345a7e5bcbSVlad Buslov errout: 50355a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 50365a7e5bcbSVlad Buslov return err; 5037aad7e08dSAmir Vadai } 5038aad7e08dSAmir Vadai 50391fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 5040fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5041fcb64c0fSEli Cohen { 5042fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5043fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 50441fe3e316SParav Pandit u32 rate_mbps = 0; 5045fcb64c0fSEli Cohen u16 vport_num; 5046fcb64c0fSEli Cohen int err; 5047fcb64c0fSEli Cohen 5048e401a184SEli Cohen vport_num = rpriv->rep->vport; 5049e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 5050e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 5051e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 5052e401a184SEli Cohen return -EOPNOTSUPP; 5053e401a184SEli Cohen } 5054e401a184SEli Cohen 5055fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 5056fcb64c0fSEli Cohen /* rate is given in bytes/sec. 5057fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 5058fcb64c0fSEli Cohen * mbit means million bits. 5059fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 5060fcb64c0fSEli Cohen * 1 mbit/sec. 5061fcb64c0fSEli Cohen */ 50621fe3e316SParav Pandit if (rate) { 50631fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 50648b90d897SParav Pandit do_div(rate, 1000000); 50658b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 50661fe3e316SParav Pandit } 50671fe3e316SParav Pandit 50682d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 5069fcb64c0fSEli Cohen if (err) 5070fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5071fcb64c0fSEli Cohen 5072fcb64c0fSEli Cohen return err; 5073fcb64c0fSEli Cohen } 5074fcb64c0fSEli Cohen 50753603f266SOz Shlomo static int 50763603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 5077d97b4b10SJianbo Liu const struct flow_action_entry *act, 5078d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 5079d97b4b10SJianbo Liu { 50803603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 50813603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 50823603f266SOz Shlomo "Offload not supported when conform action is not continue"); 50833603f266SOz Shlomo return -EOPNOTSUPP; 50843603f266SOz Shlomo } 50853603f266SOz Shlomo 5086d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 5087d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5088d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 5089d97b4b10SJianbo Liu return -EOPNOTSUPP; 5090d97b4b10SJianbo Liu } 5091d97b4b10SJianbo Liu 5092d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 5093d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 5094d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5095d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 5096d97b4b10SJianbo Liu return -EOPNOTSUPP; 5097d97b4b10SJianbo Liu } 5098d97b4b10SJianbo Liu 5099d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 5100d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 5101d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5102d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 5103d97b4b10SJianbo Liu return -EOPNOTSUPP; 5104d97b4b10SJianbo Liu } 5105d97b4b10SJianbo Liu 5106d97b4b10SJianbo Liu return 0; 5107d97b4b10SJianbo Liu } 5108d97b4b10SJianbo Liu 5109fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5110fcb64c0fSEli Cohen struct flow_action *flow_action, 5111fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5112fcb64c0fSEli Cohen { 5113fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5114fcb64c0fSEli Cohen const struct flow_action_entry *act; 5115fcb64c0fSEli Cohen int err; 5116fcb64c0fSEli Cohen int i; 5117fcb64c0fSEli Cohen 5118fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5119fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5120fcb64c0fSEli Cohen return -EINVAL; 5121fcb64c0fSEli Cohen } 5122fcb64c0fSEli Cohen 5123fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5124fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5125fcb64c0fSEli Cohen return -EOPNOTSUPP; 5126fcb64c0fSEli Cohen } 5127fcb64c0fSEli Cohen 51280885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 51290885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 5130319a1d19SJiri Pirko return -EOPNOTSUPP; 51310885ae1aSAbhiram R N } 5132319a1d19SJiri Pirko 5133fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5134fcb64c0fSEli Cohen switch (act->id) { 5135fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 51363603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 5137d97b4b10SJianbo Liu if (err) 5138d97b4b10SJianbo Liu return err; 5139d97b4b10SJianbo Liu 5140fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5141fcb64c0fSEli Cohen if (err) 5142fcb64c0fSEli Cohen return err; 5143fcb64c0fSEli Cohen 5144fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5145fcb64c0fSEli Cohen break; 5146fcb64c0fSEli Cohen default: 5147fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5148fcb64c0fSEli Cohen return -EOPNOTSUPP; 5149fcb64c0fSEli Cohen } 5150fcb64c0fSEli Cohen } 5151fcb64c0fSEli Cohen 5152fcb64c0fSEli Cohen return 0; 5153fcb64c0fSEli Cohen } 5154fcb64c0fSEli Cohen 5155fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5156fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5157fcb64c0fSEli Cohen { 5158fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5159fcb64c0fSEli Cohen 51607b83355fSEli Cohen if (ma->common.prio != 1) { 5161fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5162fcb64c0fSEli Cohen return -EINVAL; 5163fcb64c0fSEli Cohen } 5164fcb64c0fSEli Cohen 5165fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5166fcb64c0fSEli Cohen } 5167fcb64c0fSEli Cohen 5168fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5169fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5170fcb64c0fSEli Cohen { 5171fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5172fcb64c0fSEli Cohen 5173fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5174fcb64c0fSEli Cohen } 5175fcb64c0fSEli Cohen 5176fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5177fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5178fcb64c0fSEli Cohen { 5179fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5180fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5181fcb64c0fSEli Cohen u64 dbytes; 5182fcb64c0fSEli Cohen u64 dpkts; 5183fcb64c0fSEli Cohen 5184fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5185fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5186fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5187fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 51884b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 518993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5190fcb64c0fSEli Cohen } 5191fcb64c0fSEli Cohen 51924d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 51934d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 51944d8fcf21SAlaa Hleihel { 5195f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 51964d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5197db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5198db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 51994d8fcf21SAlaa Hleihel u16 peer_vhca_id; 52004d8fcf21SAlaa Hleihel int bkt; 52014d8fcf21SAlaa Hleihel 5202ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 52034d8fcf21SAlaa Hleihel return; 52044d8fcf21SAlaa Hleihel 52054d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 52064d8fcf21SAlaa Hleihel 5207f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 5208f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 5209db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5210db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5211f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 5212db76ca24SVlad Buslov 5213db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5214db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5215db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5216a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5217db76ca24SVlad Buslov 5218db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5219db76ca24SVlad Buslov } 52204d8fcf21SAlaa Hleihel } 52214d8fcf21SAlaa Hleihel 52224d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 52234d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 52244d8fcf21SAlaa Hleihel { 52254d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 52264d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 52274d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 52284d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 52294d8fcf21SAlaa Hleihel 52304d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 52314d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 52324d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 52334d8fcf21SAlaa Hleihel return NOTIFY_DONE; 52344d8fcf21SAlaa Hleihel 52354d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 523665f586c2SLama Kayal priv = tc->priv; 52374d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 52384d8fcf21SAlaa Hleihel if (priv == peer_priv || 52394d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 52404d8fcf21SAlaa Hleihel return NOTIFY_DONE; 52414d8fcf21SAlaa Hleihel 52424d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 52434d8fcf21SAlaa Hleihel 52444d8fcf21SAlaa Hleihel return NOTIFY_DONE; 52454d8fcf21SAlaa Hleihel } 52464d8fcf21SAlaa Hleihel 52476a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 52486a064674SAriel Levkovich { 52496a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 52506a064674SAriel Levkovich u32 max_flow_counter; 52516a064674SAriel Levkovich 52526a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 52536a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 52546a064674SAriel Levkovich 52556a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 52566a064674SAriel Levkovich 52576a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 52586a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 52596a064674SAriel Levkovich 52606a064674SAriel Levkovich return tc_tbl_size; 52616a064674SAriel Levkovich } 52626a064674SAriel Levkovich 526366cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 526466cb64e2SMaor Dickman { 5265f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5266f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 526766cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 526866cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 526966cb64e2SMaor Dickman int err = 0; 527066cb64e2SMaor Dickman 527166cb64e2SMaor Dickman ft_attr.max_fte = 1; 527266cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 527366cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 527466cb64e2SMaor Dickman ft_attr.prio = 0; 527566cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 527666cb64e2SMaor Dickman 527766cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 527866cb64e2SMaor Dickman if (IS_ERR(*ft)) { 527966cb64e2SMaor Dickman err = PTR_ERR(*ft); 528066cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 528166cb64e2SMaor Dickman } 528266cb64e2SMaor Dickman 528366cb64e2SMaor Dickman return err; 528466cb64e2SMaor Dickman } 528566cb64e2SMaor Dickman 528666cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 528766cb64e2SMaor Dickman { 5288f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5289f52f2faeSLama Kayal 5290f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 529166cb64e2SMaor Dickman } 529266cb64e2SMaor Dickman 5293655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5294e8f887acSAmir Vadai { 5295f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 52966a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5297c9355682SChris Mi struct mapping_ctx *chains_mapping; 52986a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 52992198b932SRoi Dayan u64 mapping_id; 53004d8fcf21SAlaa Hleihel int err; 5301e8f887acSAmir Vadai 5302b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5303b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5304b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 53055c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 530665f586c2SLama Kayal tc->priv = priv; 530711c9c548SOr Gerlitz 53084d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 53094d8fcf21SAlaa Hleihel if (err) 53104d8fcf21SAlaa Hleihel return err; 53114d8fcf21SAlaa Hleihel 53129ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 53135aa56105SVlad Buslov lockdep_init_map(&tc->ht.run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 53149ba33339SRoi Dayan 53152198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 53162198b932SRoi Dayan 53172198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 53182198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5319c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 53202198b932SRoi Dayan 5321c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5322c9355682SChris Mi err = PTR_ERR(chains_mapping); 5323c9355682SChris Mi goto err_mapping; 5324c9355682SChris Mi } 5325c9355682SChris Mi tc->mapping = chains_mapping; 5326c9355682SChris Mi 532766cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 532866cb64e2SMaor Dickman if (err) 532966cb64e2SMaor Dickman goto err_chains; 533066cb64e2SMaor Dickman 5331c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5332c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5333c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 53346a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 53356a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 53366a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5337f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5338c9355682SChris Mi attr.mapping = chains_mapping; 53396a064674SAriel Levkovich 53406a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 53416a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 53426a064674SAriel Levkovich err = PTR_ERR(tc->chains); 534366cb64e2SMaor Dickman goto err_miss; 53446a064674SAriel Levkovich } 53456a064674SAriel Levkovich 5346f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 534765f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5348f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5349aedd133dSAriel Levkovich 53501a803472SGal Pressman mlx5e_hairpin_params_init(&tc->hairpin_params, dev); 53511a803472SGal Pressman 53524d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5353d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5354d48834f9SJiri Pirko &tc->netdevice_nb, 5355d48834f9SJiri Pirko &tc->netdevice_nn); 5356d48834f9SJiri Pirko if (err) { 53574d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 53584d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 53596a064674SAriel Levkovich goto err_reg; 53604d8fcf21SAlaa Hleihel } 53614d8fcf21SAlaa Hleihel 53620e414518SGal Pressman mlx5e_tc_debugfs_init(tc, mlx5e_fs_get_debugfs_root(priv->fs)); 53630e414518SGal Pressman 5364d13674b1SOz Shlomo tc->action_stats_handle = mlx5e_tc_act_stats_create(); 5365d13674b1SOz Shlomo if (IS_ERR(tc->action_stats_handle)) 5366d13674b1SOz Shlomo goto err_act_stats; 5367d13674b1SOz Shlomo 53686a064674SAriel Levkovich return 0; 53696a064674SAriel Levkovich 5370d13674b1SOz Shlomo err_act_stats: 5371d13674b1SOz Shlomo unregister_netdevice_notifier_dev_net(priv->netdev, 5372d13674b1SOz Shlomo &tc->netdevice_nb, 5373d13674b1SOz Shlomo &tc->netdevice_nn); 53746a064674SAriel Levkovich err_reg: 5375aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5376f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 53776a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 537866cb64e2SMaor Dickman err_miss: 537966cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 53806a064674SAriel Levkovich err_chains: 5381c9355682SChris Mi mapping_destroy(chains_mapping); 5382c9355682SChris Mi err_mapping: 53836a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 53844d8fcf21SAlaa Hleihel return err; 5385e8f887acSAmir Vadai } 5386e8f887acSAmir Vadai 5387e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5388e8f887acSAmir Vadai { 5389e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5390655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5391e8f887acSAmir Vadai 5392961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5393e8f887acSAmir Vadai kfree(flow); 5394e8f887acSAmir Vadai } 5395e8f887acSAmir Vadai 5396655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5397e8f887acSAmir Vadai { 5398f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5399e8f887acSAmir Vadai 54000e414518SGal Pressman debugfs_remove_recursive(tc->dfs_root); 54010e414518SGal Pressman 54024d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5403d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5404d48834f9SJiri Pirko &tc->netdevice_nb, 5405d48834f9SJiri Pirko &tc->netdevice_nn); 54064d8fcf21SAlaa Hleihel 5407b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5408b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5409b32accdaSVlad Buslov 54106a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5411e8f887acSAmir Vadai 5412acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 54136a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5414acff797cSMaor Gottlieb tc->t = NULL; 5415e8f887acSAmir Vadai } 5416b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 54176a064674SAriel Levkovich 5418aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5419f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5420c9355682SChris Mi mapping_destroy(tc->mapping); 54216a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 542266cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5423d13674b1SOz Shlomo mlx5e_tc_act_stats_free(tc->action_stats_handle); 5424e8f887acSAmir Vadai } 5425655dc3d2SOr Gerlitz 5426d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5427d1a3138fSPaul Blakey { 5428d1a3138fSPaul Blakey int err; 5429d1a3138fSPaul Blakey 5430d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5431d1a3138fSPaul Blakey if (err) 5432d1a3138fSPaul Blakey return err; 5433d1a3138fSPaul Blakey 5434d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 54355aa56105SVlad Buslov lockdep_init_map(&tc_ht->run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 5436d1a3138fSPaul Blakey 5437d1a3138fSPaul Blakey return 0; 5438d1a3138fSPaul Blakey } 5439d1a3138fSPaul Blakey 5440d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5441d1a3138fSPaul Blakey { 5442d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5443d1a3138fSPaul Blakey } 5444d1a3138fSPaul Blakey 5445d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5446655dc3d2SOr Gerlitz { 5447d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5448aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 54490a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5450aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5451aedd133dSAriel Levkovich struct mlx5e_priv *priv; 54522198b932SRoi Dayan u64 mapping_id; 5453aedd133dSAriel Levkovich int err = 0; 54540a7fcb78SPaul Blakey 5455aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5456aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5457aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 54580a7fcb78SPaul Blakey 5459f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5460f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5461aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5462aedd133dSAriel Levkovich esw_chains(esw), 5463aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5464f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5465f0da4daaSChris Mi uplink_priv->post_act); 54664c3844d9SPaul Blakey 54674f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 54684f4edcc2SAriel Levkovich 54692741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 54702a9ab10aSChris Mi 54712198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 54722198b932SRoi Dayan 54732198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 54742198b932SRoi Dayan sizeof(struct tunnel_match_key), 54750a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 54762198b932SRoi Dayan 54770a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54780a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54790a7fcb78SPaul Blakey goto err_tun_mapping; 54800a7fcb78SPaul Blakey } 54810a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 54820a7fcb78SPaul Blakey 54833222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 54843222efd4SVlad Buslov * and bridge ingress push mark. 54853222efd4SVlad Buslov */ 54862198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 54873222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 54880a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54890a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54900a7fcb78SPaul Blakey goto err_enc_opts_mapping; 54910a7fcb78SPaul Blakey } 54920a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 54930a7fcb78SPaul Blakey 54948914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 54952b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 54962b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 54978914add2SVlad Buslov goto err_register_fib_notifier; 54982b6c3c1eSWei Yongjun } 54998914add2SVlad Buslov 5500d13674b1SOz Shlomo uplink_priv->action_stats_handle = mlx5e_tc_act_stats_create(); 5501d13674b1SOz Shlomo if (IS_ERR(uplink_priv->action_stats_handle)) 5502d13674b1SOz Shlomo goto err_action_counter; 5503d13674b1SOz Shlomo 55042b6c3c1eSWei Yongjun return 0; 55050a7fcb78SPaul Blakey 5506d13674b1SOz Shlomo err_action_counter: 5507d13674b1SOz Shlomo mlx5e_tc_tun_cleanup(uplink_priv->encap); 55088914add2SVlad Buslov err_register_fib_notifier: 55090a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 55100a7fcb78SPaul Blakey err_enc_opts_mapping: 55110a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 55120a7fcb78SPaul Blakey err_tun_mapping: 55130027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 55144f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5515aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 55160a7fcb78SPaul Blakey netdev_warn(priv->netdev, 55170a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5518f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 55190a7fcb78SPaul Blakey return err; 5520655dc3d2SOr Gerlitz } 5521655dc3d2SOr Gerlitz 5522d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5523655dc3d2SOr Gerlitz { 55248914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 55258914add2SVlad Buslov 55260a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 55270a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 55284c3844d9SPaul Blakey 55290027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 55304f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5531aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 553274e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5533f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5534d13674b1SOz Shlomo mlx5e_tc_act_stats_free(uplink_priv->action_stats_handle); 5535655dc3d2SOr Gerlitz } 553601252a27SOr Gerlitz 5537226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 553801252a27SOr Gerlitz { 5539d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 554001252a27SOr Gerlitz 554101252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 554201252a27SOr Gerlitz } 554304de7ddaSRoi Dayan 554404de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 554504de7ddaSRoi Dayan { 554604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 554704de7ddaSRoi Dayan 554804de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 554904de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 555004de7ddaSRoi Dayan } 5551b4a23329SRoi Dayan 5552b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5553b4a23329SRoi Dayan { 5554b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5555b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5556b4a23329SRoi Dayan reoffload_flows_work); 5557b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5558b4a23329SRoi Dayan 5559ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5560b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5561b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5562ad86755bSVlad Buslov unready_flow_del(flow); 5563b4a23329SRoi Dayan } 5564ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5565b4a23329SRoi Dayan } 5566e2394a61SVlad Buslov 5567e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5568e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5569e2394a61SVlad Buslov unsigned long flags) 5570e2394a61SVlad Buslov { 5571e2394a61SVlad Buslov switch (cls_flower->command) { 5572e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5573e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5574e2394a61SVlad Buslov flags); 5575e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5576e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5577e2394a61SVlad Buslov flags); 5578e2394a61SVlad Buslov case FLOW_CLS_STATS: 5579e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5580e2394a61SVlad Buslov flags); 5581e2394a61SVlad Buslov default: 5582e2394a61SVlad Buslov return -EOPNOTSUPP; 5583e2394a61SVlad Buslov } 5584e2394a61SVlad Buslov } 5585e2394a61SVlad Buslov 5586e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5587e2394a61SVlad Buslov void *cb_priv) 5588e2394a61SVlad Buslov { 5589ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5590e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5591e2394a61SVlad Buslov 55922ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 55932ff349c5SRoi Dayan return -EOPNOTSUPP; 55942ff349c5SRoi Dayan 5595ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5596ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5597ec9457a6SRoi Dayan else 5598ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5599ec9457a6SRoi Dayan 5600e2394a61SVlad Buslov switch (type) { 5601e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5602e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5603e2394a61SVlad Buslov default: 5604e2394a61SVlad Buslov return -EOPNOTSUPP; 5605e2394a61SVlad Buslov } 5606e2394a61SVlad Buslov } 5607c7569097SAriel Levkovich 5608c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5609c7569097SAriel Levkovich struct sk_buff *skb) 5610c7569097SAriel Levkovich { 5611c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5612aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5613c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5614a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5615c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5616f52f2faeSLama Kayal struct mlx5e_tc_table *tc; 5617c7569097SAriel Levkovich int err; 5618c7569097SAriel Levkovich 5619c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5620f52f2faeSLama Kayal tc = mlx5e_fs_get_tc(priv->fs); 5621c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5622c7569097SAriel Levkovich 5623c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5624c7569097SAriel Levkovich if (err) { 5625c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5626c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5627c7569097SAriel Levkovich chain_tag, err); 5628c7569097SAriel Levkovich return false; 5629c7569097SAriel Levkovich } 5630c7569097SAriel Levkovich 5631a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5632a91d98a0SChris Mi chain = mapped_obj.chain; 56339453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5634c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5635c7569097SAriel Levkovich return false; 5636c7569097SAriel Levkovich 5637c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5638aedd133dSAriel Levkovich 563917c5da03SJianbo Liu zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 564048d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5641aedd133dSAriel Levkovich 5642aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5643aedd133dSAriel Levkovich zone_restore_id)) 5644aedd133dSAriel Levkovich return false; 5645a91d98a0SChris Mi } else { 5646a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5647a91d98a0SChris Mi return false; 5648c7569097SAriel Levkovich } 5649c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5650c7569097SAriel Levkovich 5651c7569097SAriel Levkovich return true; 5652c7569097SAriel Levkovich } 5653