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> 4693a1ab2cSPaul Blakey #include <net/dst_metadata.h> 47e8f887acSAmir Vadai #include "en.h" 48f0da4daaSChris Mi #include "en/tc/post_act.h" 49d13674b1SOz Shlomo #include "en/tc/act_stats.h" 501d447a39SSaeed Mahameed #include "en_rep.h" 51768c3667SVlad Buslov #include "en/rep/tc.h" 52e2394a61SVlad Buslov #include "en/rep/neigh.h" 53232c0013SHadar Hen Zion #include "en_tc.h" 5403a9d11eSOr Gerlitz #include "eswitch.h" 553f6d08d1SOr Gerlitz #include "fs_core.h" 562c81bfd5SHuy Nguyen #include "en/port.h" 57101f4de9SOz Shlomo #include "en/tc_tun.h" 580a7fcb78SPaul Blakey #include "en/mapping.h" 594c3844d9SPaul Blakey #include "en/tc_ct.h" 60b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 610d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 620027d70cSChris Mi #include "en/tc/sample.h" 63fad54790SRoi Dayan #include "en/tc/act/act.h" 6406fe52a4SJianbo Liu #include "en/tc/post_meter.h" 6504de7ddaSRoi Dayan #include "lib/devcom.h" 669272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 67ae430332SAriel Levkovich #include "lib/fs_chains.h" 687a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 691fe3e316SParav Pandit #include <asm/div64.h> 70016c8946SJakub Kicinski #include "lag/lag.h" 71016c8946SJakub Kicinski #include "lag/mp.h" 72e8f887acSAmir Vadai 73acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 746a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 75e8f887acSAmir Vadai 761a803472SGal Pressman struct mlx5e_hairpin_params { 771a803472SGal Pressman struct mlx5_core_dev *mdev; 781a803472SGal Pressman u32 num_queues; 791a803472SGal Pressman u32 queue_size; 801a803472SGal Pressman }; 811a803472SGal Pressman 8223bde065SLama Kayal struct mlx5e_tc_table { 8323bde065SLama Kayal /* Protects the dynamic assignment of the t parameter 8423bde065SLama Kayal * which is the nic tc root table. 8523bde065SLama Kayal */ 8623bde065SLama Kayal struct mutex t_lock; 8723bde065SLama Kayal struct mlx5e_priv *priv; 8823bde065SLama Kayal struct mlx5_flow_table *t; 8923bde065SLama Kayal struct mlx5_flow_table *miss_t; 9023bde065SLama Kayal struct mlx5_fs_chains *chains; 9123bde065SLama Kayal struct mlx5e_post_act *post_act; 9223bde065SLama Kayal 9323bde065SLama Kayal struct rhashtable ht; 9423bde065SLama Kayal 9523bde065SLama Kayal struct mod_hdr_tbl mod_hdr; 9623bde065SLama Kayal struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ 9723bde065SLama Kayal DECLARE_HASHTABLE(hairpin_tbl, 8); 9823bde065SLama Kayal 9923bde065SLama Kayal struct notifier_block netdevice_nb; 10023bde065SLama Kayal struct netdev_net_notifier netdevice_nn; 10123bde065SLama Kayal 10223bde065SLama Kayal struct mlx5_tc_ct_priv *ct; 10323bde065SLama Kayal struct mapping_ctx *mapping; 1041a803472SGal Pressman struct mlx5e_hairpin_params hairpin_params; 1050e414518SGal Pressman struct dentry *dfs_root; 106d13674b1SOz Shlomo 107d13674b1SOz Shlomo /* tc action stats */ 108d13674b1SOz Shlomo struct mlx5e_tc_act_stats_handle *action_stats_handle; 10923bde065SLama Kayal }; 11023bde065SLama Kayal 1118f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 112235ff07dSPaul Blakey [MAPPED_OBJ_TO_REG] = { 1138f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1148f1e0b97SPaul Blakey .moffset = 0, 115ed2fe7baSPaul Blakey .mlen = 16, 1168f1e0b97SPaul Blakey }, 11710742efcSVlad Buslov [VPORT_TO_REG] = { 11810742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 119ed2fe7baSPaul Blakey .moffset = 16, 120ed2fe7baSPaul Blakey .mlen = 16, 12110742efcSVlad Buslov }, 1220a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1230a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 124ed2fe7baSPaul Blakey .moffset = 8, 125ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 1260a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1270a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1280a7fcb78SPaul Blakey }, 1294c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 130a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1314c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1324c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1334c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1344c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 13539c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 136c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 137c7569097SAriel Levkovich * jump between steering domains. 138c7569097SAriel Levkovich */ 139235ff07dSPaul Blakey [NIC_MAPPED_OBJ_TO_REG] = { 140c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 141c7569097SAriel Levkovich .moffset = 0, 142ed2fe7baSPaul Blakey .mlen = 16, 143c7569097SAriel Levkovich }, 144aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 14506fe52a4SJianbo Liu [PACKET_COLOR_TO_REG] = packet_color_to_reg, 1468f1e0b97SPaul Blakey }; 1478f1e0b97SPaul Blakey 148c84fa1abSOz Shlomo struct mlx5e_tc_jump_state { 149c84fa1abSOz Shlomo u32 jump_count; 150c84fa1abSOz Shlomo bool jump_target; 151c84fa1abSOz Shlomo struct mlx5_flow_attr *jumping_attr; 152c84fa1abSOz Shlomo 153c84fa1abSOz Shlomo enum flow_action_id last_id; 154c84fa1abSOz Shlomo u32 last_index; 155c84fa1abSOz Shlomo }; 156c84fa1abSOz Shlomo 15723bde065SLama Kayal struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) 15823bde065SLama Kayal { 15923bde065SLama Kayal struct mlx5e_tc_table *tc; 16023bde065SLama Kayal 16123bde065SLama Kayal tc = kvzalloc(sizeof(*tc), GFP_KERNEL); 16223bde065SLama Kayal return tc ? tc : ERR_PTR(-ENOMEM); 16323bde065SLama Kayal } 16423bde065SLama Kayal 16523bde065SLama Kayal void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) 16623bde065SLama Kayal { 16723bde065SLama Kayal kvfree(tc); 16823bde065SLama Kayal } 16923bde065SLama Kayal 17023bde065SLama Kayal struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc) 17123bde065SLama Kayal { 17223bde065SLama Kayal return tc->chains; 17323bde065SLama Kayal } 17423bde065SLama Kayal 1759ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1769ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1779ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1789ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1799ba33339SRoi Dayan * it's different than the ht->mutex here. 1809ba33339SRoi Dayan */ 1819ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1825aa56105SVlad Buslov static struct lock_class_key tc_ht_wq_key; 1839ba33339SRoi Dayan 1840a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1858300f225SRoi Dayan static void free_flow_post_acts(struct mlx5e_tc_flow *flow); 186f86488cbSOz Shlomo static void mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr); 1870a7fcb78SPaul Blakey 1880a7fcb78SPaul Blakey void 1890a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1900a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 191ed2fe7baSPaul Blakey u32 val, 1920a7fcb78SPaul Blakey u32 mask) 1930a7fcb78SPaul Blakey { 194ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1950a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 196ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1970a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 198ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 199ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 200ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2010a7fcb78SPaul Blakey 2020a7fcb78SPaul Blakey fmask = headers_c + soffset; 2030a7fcb78SPaul Blakey fval = headers_v + soffset; 2040a7fcb78SPaul Blakey 205ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 206ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2070a7fcb78SPaul Blakey 208ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 209ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 210ed2fe7baSPaul Blakey 211ed2fe7baSPaul Blakey //move to correct offset 212ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 213ed2fe7baSPaul Blakey mask <<= moffset; 214ed2fe7baSPaul Blakey val <<= moffset; 215ed2fe7baSPaul Blakey max_mask <<= moffset; 216ed2fe7baSPaul Blakey 217ed2fe7baSPaul Blakey //zero val and mask 218ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 219ed2fe7baSPaul Blakey curr_val &= ~max_mask; 220ed2fe7baSPaul Blakey 221ed2fe7baSPaul Blakey //add current to mask 222ed2fe7baSPaul Blakey curr_mask |= mask; 223ed2fe7baSPaul Blakey curr_val |= val; 224ed2fe7baSPaul Blakey 225ed2fe7baSPaul Blakey //back to be32 and write 226ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 227ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 228ed2fe7baSPaul Blakey 229ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 230ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 2310a7fcb78SPaul Blakey 2320a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2330a7fcb78SPaul Blakey } 2340a7fcb78SPaul Blakey 2357e36feebSPaul Blakey void 2367e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2377e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 238ed2fe7baSPaul Blakey u32 *val, 2397e36feebSPaul Blakey u32 *mask) 2407e36feebSPaul Blakey { 241ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 2427e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 243ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2447e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 245ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 246ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 247ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2487e36feebSPaul Blakey 2497e36feebSPaul Blakey fmask = headers_c + soffset; 2507e36feebSPaul Blakey fval = headers_v + soffset; 2517e36feebSPaul Blakey 252ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 253ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2547e36feebSPaul Blakey 255ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 256ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 257ed2fe7baSPaul Blakey 258ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 259ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 2607e36feebSPaul Blakey } 2617e36feebSPaul Blakey 2620a7fcb78SPaul Blakey int 263c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2640a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 265aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2660a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2670a7fcb78SPaul Blakey u32 data) 2680a7fcb78SPaul Blakey { 2690a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2700a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2710a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2720a7fcb78SPaul Blakey char *modact; 2730a7fcb78SPaul Blakey int err; 2740a7fcb78SPaul Blakey 2752c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2762c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2772c0e5cf5SPaul Blakey return PTR_ERR(modact); 2780a7fcb78SPaul Blakey 2790a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 280ed2fe7baSPaul Blakey if (mlen == 32) 2810a7fcb78SPaul Blakey mlen = 0; 2820a7fcb78SPaul Blakey 2830a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2840a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 285ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 286ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2870a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 288c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2890a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2900a7fcb78SPaul Blakey 291c7b9038dSVlad Buslov return err; 2920a7fcb78SPaul Blakey } 2930a7fcb78SPaul Blakey 294d13674b1SOz Shlomo static struct mlx5e_tc_act_stats_handle * 295d13674b1SOz Shlomo get_act_stats_handle(struct mlx5e_priv *priv) 296d13674b1SOz Shlomo { 297d13674b1SOz Shlomo struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 298d13674b1SOz Shlomo struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 299d13674b1SOz Shlomo struct mlx5_rep_uplink_priv *uplink_priv; 300d13674b1SOz Shlomo struct mlx5e_rep_priv *uplink_rpriv; 301d13674b1SOz Shlomo 302d13674b1SOz Shlomo if (is_mdev_switchdev_mode(priv->mdev)) { 303d13674b1SOz Shlomo uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 304d13674b1SOz Shlomo uplink_priv = &uplink_rpriv->uplink_priv; 305d13674b1SOz Shlomo 306d13674b1SOz Shlomo return uplink_priv->action_stats_handle; 307d13674b1SOz Shlomo } 308d13674b1SOz Shlomo 309d13674b1SOz Shlomo return tc->action_stats_handle; 310d13674b1SOz Shlomo } 311d13674b1SOz Shlomo 31227484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 31327484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 31427484f71SAriel Levkovich { 31527484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31627484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 31727484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 31827484f71SAriel Levkovich 31927484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 32027484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 32127484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 32227484f71SAriel Levkovich 32327484f71SAriel Levkovich return uplink_priv->int_port_priv; 32427484f71SAriel Levkovich } 32527484f71SAriel Levkovich 32627484f71SAriel Levkovich return NULL; 32727484f71SAriel Levkovich } 32827484f71SAriel Levkovich 32974e6b2a8SJianbo Liu struct mlx5e_flow_meters * 33074e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 33174e6b2a8SJianbo Liu { 33274e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 33374e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 33474e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 33574e6b2a8SJianbo Liu struct mlx5e_priv *priv; 33674e6b2a8SJianbo Liu 33774e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 33874e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 33974e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 34074e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 34174e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 34274e6b2a8SJianbo Liu uplink_priv->flow_meters = 34374e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 34474e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 34574e6b2a8SJianbo Liu uplink_priv->post_act); 34674e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 34774e6b2a8SJianbo Liu return uplink_priv->flow_meters; 34874e6b2a8SJianbo Liu } 34974e6b2a8SJianbo Liu 35074e6b2a8SJianbo Liu return NULL; 35174e6b2a8SJianbo Liu } 35274e6b2a8SJianbo Liu 353aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 354aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 355aedd133dSAriel Levkovich { 356f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 357aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 358aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 359aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 360aedd133dSAriel Levkovich 361e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 362aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 363aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 364aedd133dSAriel Levkovich 365aedd133dSAriel Levkovich return uplink_priv->ct_priv; 366aedd133dSAriel Levkovich } 367aedd133dSAriel Levkovich 368f52f2faeSLama Kayal return tc->ct; 369aedd133dSAriel Levkovich } 370aedd133dSAriel Levkovich 3710027d70cSChris Mi static struct mlx5e_tc_psample * 372f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 373f94d6389SChris Mi { 374f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 375f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 376f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 377f94d6389SChris Mi 378f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 379f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 380f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 381f94d6389SChris Mi 3820027d70cSChris Mi return uplink_priv->tc_psample; 383f94d6389SChris Mi } 384f94d6389SChris Mi 385f94d6389SChris Mi return NULL; 386f94d6389SChris Mi } 387f94d6389SChris Mi 3888300f225SRoi Dayan static struct mlx5e_post_act * 3898300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3908300f225SRoi Dayan { 391f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3928300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3938300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3948300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3958300f225SRoi Dayan 3968300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3978300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3988300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3998300f225SRoi Dayan 4008300f225SRoi Dayan return uplink_priv->post_act; 4018300f225SRoi Dayan } 4028300f225SRoi Dayan 403f52f2faeSLama Kayal return tc->post_act; 4048300f225SRoi Dayan } 4058300f225SRoi Dayan 406aedd133dSAriel Levkovich struct mlx5_flow_handle * 407aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 408aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 409aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 410aedd133dSAriel Levkovich { 411aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 412aedd133dSAriel Levkovich 413e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 414aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 415aedd133dSAriel Levkovich 416aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 417aedd133dSAriel Levkovich } 418aedd133dSAriel Levkovich 419aedd133dSAriel Levkovich void 420aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 421aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 422aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 423aedd133dSAriel Levkovich { 424aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 425aedd133dSAriel Levkovich 426e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 427aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 428aedd133dSAriel Levkovich return; 429aedd133dSAriel Levkovich } 430aedd133dSAriel Levkovich 431aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 432aedd133dSAriel Levkovich } 433aedd133dSAriel Levkovich 434a8d52b02SJianbo Liu static bool 435a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 436a8d52b02SJianbo Liu { 4376fda078dSOz Shlomo return (((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 4386fda078dSOz Shlomo (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)) || 4396fda078dSOz Shlomo attr->flags & MLX5_ATTR_FLAG_MTU); 440a8d52b02SJianbo Liu } 441a8d52b02SJianbo Liu 442a8d52b02SJianbo Liu static int 443a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 444a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 445a8d52b02SJianbo Liu { 446e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 447e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 448e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 449a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 4506fda078dSOz Shlomo enum mlx5e_post_meter_type type; 451a8d52b02SJianbo Liu 452f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 453a8d52b02SJianbo Liu if (IS_ERR(meter)) { 454a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 455a8d52b02SJianbo Liu return PTR_ERR(meter); 456a8d52b02SJianbo Liu } 457a8d52b02SJianbo Liu 458e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 4596fda078dSOz Shlomo type = meter->params.mtu ? MLX5E_POST_METER_MTU : MLX5E_POST_METER_RATE; 4600d8c38d4SOz Shlomo post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, 4616fda078dSOz Shlomo type, 4620d8c38d4SOz Shlomo meter->act_counter, meter->drop_counter, 4630d8c38d4SOz Shlomo attr->branch_true, attr->branch_false); 464e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 465e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 466e5b1db27SRoi Dayan goto err_meter_init; 467e5b1db27SRoi Dayan } 468e5b1db27SRoi Dayan 469a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 470e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 471e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 472a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 473a8d52b02SJianbo Liu 474a8d52b02SJianbo Liu return 0; 475e5b1db27SRoi Dayan 476e5b1db27SRoi Dayan err_meter_init: 477e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 478e5b1db27SRoi Dayan return PTR_ERR(post_meter); 479e5b1db27SRoi Dayan } 480e5b1db27SRoi Dayan 481e5b1db27SRoi Dayan static void 4820d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) 483e5b1db27SRoi Dayan { 4840d8c38d4SOz Shlomo mlx5e_post_meter_cleanup(esw, attr->meter_attr.post_meter); 485e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 486a8d52b02SJianbo Liu } 487a8d52b02SJianbo Liu 48884ba8062SRoi Dayan struct mlx5_flow_handle * 48984ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 49084ba8062SRoi Dayan struct mlx5_flow_spec *spec, 49184ba8062SRoi Dayan struct mlx5_flow_attr *attr) 49284ba8062SRoi Dayan { 49384ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 494a8d52b02SJianbo Liu int err; 49584ba8062SRoi Dayan 49684ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 49784ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 49884ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 49984ba8062SRoi Dayan 500a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 50184ba8062SRoi Dayan spec, attr, 50284ba8062SRoi Dayan mod_hdr_acts); 50384ba8062SRoi Dayan } 50484ba8062SRoi Dayan 50584ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 50684ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 50784ba8062SRoi Dayan 50884ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 50973a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 51084ba8062SRoi Dayan 511a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 512a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 513a8d52b02SJianbo Liu if (err) 514a8d52b02SJianbo Liu return ERR_PTR(err); 515a8d52b02SJianbo Liu } 516a8d52b02SJianbo Liu 51784ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 51884ba8062SRoi Dayan } 51984ba8062SRoi Dayan 52084ba8062SRoi Dayan void 52184ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 522a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 52384ba8062SRoi Dayan struct mlx5_flow_attr *attr) 52484ba8062SRoi Dayan { 52584ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 52684ba8062SRoi Dayan 52784ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 528a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 52984ba8062SRoi Dayan return; 53084ba8062SRoi Dayan } 53184ba8062SRoi Dayan 53284ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 53384ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 53484ba8062SRoi Dayan return; 53584ba8062SRoi Dayan } 53684ba8062SRoi Dayan 53784ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 53884ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 53984ba8062SRoi Dayan return; 54084ba8062SRoi Dayan } 54184ba8062SRoi Dayan 54284ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 543a8d52b02SJianbo Liu 544a8d52b02SJianbo Liu if (attr->meter_attr.meter) 5450d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(esw, attr); 54684ba8062SRoi Dayan } 54784ba8062SRoi Dayan 548c7b9038dSVlad Buslov int 549c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 550c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 551c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 552c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 553c7b9038dSVlad Buslov u32 data) 554c7b9038dSVlad Buslov { 555c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 556c7b9038dSVlad Buslov 557c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 558c7b9038dSVlad Buslov } 559c7b9038dSVlad Buslov 560c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 561c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 562c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 563c7b9038dSVlad Buslov int act_id, u32 data) 564c7b9038dSVlad Buslov { 565c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 566c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 567c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 568c7b9038dSVlad Buslov char *modact; 569c7b9038dSVlad Buslov 5702c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 571c7b9038dSVlad Buslov 572c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 573ed2fe7baSPaul Blakey if (mlen == 32) 574c7b9038dSVlad Buslov mlen = 0; 575c7b9038dSVlad Buslov 576c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 577c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 578ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 579ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 580c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 581c7b9038dSVlad Buslov } 582c7b9038dSVlad Buslov 58377ab67b7SOr Gerlitz struct mlx5e_hairpin { 58477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 58577ab67b7SOr Gerlitz 58677ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5873f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 58877ab67b7SOr Gerlitz u32 tdn; 589a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5903f6d08d1SOr Gerlitz 5913f6d08d1SOr Gerlitz int num_channels; 5923f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 593a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 594f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 59577ab67b7SOr Gerlitz }; 59677ab67b7SOr Gerlitz 5975c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5985c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5995c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 6005c65c564SOr Gerlitz 60173edca73SVlad Buslov /* protects flows list */ 60273edca73SVlad Buslov spinlock_t flows_lock; 6035c65c564SOr Gerlitz /* flows sharing the same hairpin */ 6045c65c564SOr Gerlitz struct list_head flows; 605db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 606db76ca24SVlad Buslov * function traversed them. 607db76ca24SVlad Buslov */ 608db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 6095c65c564SOr Gerlitz 610d8822868SOr Gerlitz u16 peer_vhca_id; 611106be53bSOr Gerlitz u8 prio; 6125c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 613e4f9abbdSVlad Buslov refcount_t refcnt; 614db76ca24SVlad Buslov struct completion res_ready; 6155c65c564SOr Gerlitz }; 6165c65c564SOr Gerlitz 6175a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 6185a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 6195a7e5bcbSVlad Buslov 6200d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 6215a7e5bcbSVlad Buslov { 6225a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 6235a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 6245a7e5bcbSVlad Buslov return flow; 6255a7e5bcbSVlad Buslov } 6265a7e5bcbSVlad Buslov 6270d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 6285a7e5bcbSVlad Buslov { 6295a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 6305a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 631c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 6325a7e5bcbSVlad Buslov } 6335a7e5bcbSVlad Buslov } 6345a7e5bcbSVlad Buslov 635aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 636226f2ca3SVlad Buslov { 637226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 638226f2ca3SVlad Buslov } 639226f2ca3SVlad Buslov 64067d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 64184179981SPaul Blakey { 64284179981SPaul Blakey return flow_flag_test(flow, FT); 64384179981SPaul Blakey } 64484179981SPaul Blakey 6450d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 646226f2ca3SVlad Buslov { 647226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 648226f2ca3SVlad Buslov } 649226f2ca3SVlad Buslov 650e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 651d2faae25SVlad Buslov { 652d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 653d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 654d2faae25SVlad Buslov } 655b2fdf3d0SPaul Blakey 6568facc02fSOz Shlomo static struct mlx5_core_dev * 6578facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 6588facc02fSOz Shlomo { 6598facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 6608facc02fSOz Shlomo } 6618facc02fSOz Shlomo 662b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 663b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 664b2fdf3d0SPaul Blakey { 665f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 666b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 667b2fdf3d0SPaul Blakey 668e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 669b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 670f52f2faeSLama Kayal &tc->mod_hdr; 671b2fdf3d0SPaul Blakey } 672b2fdf3d0SPaul Blakey 673ef78b8d5SRoi Dayan int mlx5e_tc_attach_mod_hdr(struct mlx5e_priv *priv, 67411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 67582b56480SRoi Dayan struct mlx5_flow_attr *attr) 67611c9c548SOr Gerlitz { 677b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 67811c9c548SOr Gerlitz 679b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 680e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 68182b56480SRoi Dayan &attr->parse_attr->mod_hdr_acts); 682b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 683b2fdf3d0SPaul Blakey return PTR_ERR(mh); 68411c9c548SOr Gerlitz 68582b56480SRoi Dayan WARN_ON(attr->modify_hdr); 68682b56480SRoi Dayan attr->modify_hdr = mlx5e_mod_hdr_get(mh); 68782b56480SRoi Dayan attr->mh = mh; 68811c9c548SOr Gerlitz 68911c9c548SOr Gerlitz return 0; 69011c9c548SOr Gerlitz } 69111c9c548SOr Gerlitz 692ef78b8d5SRoi Dayan void mlx5e_tc_detach_mod_hdr(struct mlx5e_priv *priv, 69382b56480SRoi Dayan struct mlx5e_tc_flow *flow, 69482b56480SRoi Dayan struct mlx5_flow_attr *attr) 69511c9c548SOr Gerlitz { 6965a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 69782b56480SRoi Dayan if (!attr->mh) 6985a7e5bcbSVlad Buslov return; 6995a7e5bcbSVlad Buslov 700b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 70182b56480SRoi Dayan attr->mh); 70282b56480SRoi Dayan attr->mh = NULL; 70311c9c548SOr Gerlitz } 70411c9c548SOr Gerlitz 70577ab67b7SOr Gerlitz static 70677ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 70777ab67b7SOr Gerlitz { 708b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 70977ab67b7SOr Gerlitz struct net_device *netdev; 71077ab67b7SOr Gerlitz struct mlx5e_priv *priv; 71177ab67b7SOr Gerlitz 712b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 713b1c2f631SDima Chumak if (!netdev) 714b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 715b1c2f631SDima Chumak 71677ab67b7SOr Gerlitz priv = netdev_priv(netdev); 717b1c2f631SDima Chumak mdev = priv->mdev; 718b1c2f631SDima Chumak dev_put(netdev); 719b1c2f631SDima Chumak 720b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 721b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 722b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 723b1c2f631SDima Chumak * 724b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 725b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 726b1c2f631SDima Chumak * removed. 727b1c2f631SDima Chumak * 728b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 729b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 730b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 731b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 732b1c2f631SDima Chumak */ 733b1c2f631SDima Chumak return mdev; 73477ab67b7SOr Gerlitz } 73577ab67b7SOr Gerlitz 73677ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 73777ab67b7SOr Gerlitz { 738a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 73977ab67b7SOr Gerlitz int err; 74077ab67b7SOr Gerlitz 741a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 742a6696735SMaxim Mikityanskiy if (!builder) 743a6696735SMaxim Mikityanskiy return -ENOMEM; 744a6696735SMaxim Mikityanskiy 74577ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 74677ab67b7SOr Gerlitz if (err) 747a6696735SMaxim Mikityanskiy goto out; 74877ab67b7SOr Gerlitz 749a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 750a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 75177ab67b7SOr Gerlitz if (err) 75277ab67b7SOr Gerlitz goto create_tir_err; 75377ab67b7SOr Gerlitz 754a6696735SMaxim Mikityanskiy out: 755a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 756a6696735SMaxim Mikityanskiy return err; 75777ab67b7SOr Gerlitz 75877ab67b7SOr Gerlitz create_tir_err: 75977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 760a6696735SMaxim Mikityanskiy 761a6696735SMaxim Mikityanskiy goto out; 76277ab67b7SOr Gerlitz } 76377ab67b7SOr Gerlitz 76477ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 76577ab67b7SOr Gerlitz { 766a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 76777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 76877ab67b7SOr Gerlitz } 76977ab67b7SOr Gerlitz 7703f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7713f6d08d1SOr Gerlitz { 7723f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7733f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 77406e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 77506e9f13aSMaxim Mikityanskiy int err; 7763f6d08d1SOr Gerlitz 77706e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 77806e9f13aSMaxim Mikityanskiy if (!indir) 7793f6d08d1SOr Gerlitz return -ENOMEM; 7803f6d08d1SOr Gerlitz 78143befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 78206e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 78343ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 78443ec0f41SMaxim Mikityanskiy indir); 7853f6d08d1SOr Gerlitz 78606e9f13aSMaxim Mikityanskiy kvfree(indir); 7873f6d08d1SOr Gerlitz return err; 7883f6d08d1SOr Gerlitz } 7893f6d08d1SOr Gerlitz 7903f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7913f6d08d1SOr Gerlitz { 7923f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 79343ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 794d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 795a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 796a6696735SMaxim Mikityanskiy int err = 0; 797a6696735SMaxim Mikityanskiy 798a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 799a6696735SMaxim Mikityanskiy if (!builder) 800a6696735SMaxim Mikityanskiy return -ENOMEM; 801a6696735SMaxim Mikityanskiy 80243ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 8033f6d08d1SOr Gerlitz 8043f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 80565d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 806d930ac79SAya Levin 80765d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 8083f6d08d1SOr Gerlitz 809a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 810a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 811a6696735SMaxim Mikityanskiy false); 81243ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 813bbeb53b8SAya Levin 814a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 8153f6d08d1SOr Gerlitz if (err) { 8163f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 8173f6d08d1SOr Gerlitz goto err_destroy_tirs; 8183f6d08d1SOr Gerlitz } 819a6696735SMaxim Mikityanskiy 820a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 8213f6d08d1SOr Gerlitz } 822a6696735SMaxim Mikityanskiy 823a6696735SMaxim Mikityanskiy out: 824a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 825a6696735SMaxim Mikityanskiy return err; 8263f6d08d1SOr Gerlitz 8273f6d08d1SOr Gerlitz err_destroy_tirs: 828a6696735SMaxim Mikityanskiy max_tt = tt; 829a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 830a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 831a6696735SMaxim Mikityanskiy 832a6696735SMaxim Mikityanskiy goto out; 8333f6d08d1SOr Gerlitz } 8343f6d08d1SOr Gerlitz 8353f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 8363f6d08d1SOr Gerlitz { 8373f6d08d1SOr Gerlitz int tt; 8383f6d08d1SOr Gerlitz 8393f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 840a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 8413f6d08d1SOr Gerlitz } 8423f6d08d1SOr Gerlitz 8433f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 8443f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 8453f6d08d1SOr Gerlitz { 8463f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8473f6d08d1SOr Gerlitz int tt; 8483f6d08d1SOr Gerlitz 8493f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8503f6d08d1SOr Gerlitz 851bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 852bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 853bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 854bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 855bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 856bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 857bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 858bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 859bc29764eSMaor Gottlieb } 8603f6d08d1SOr Gerlitz 8613f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8623f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8633f6d08d1SOr Gerlitz } 8643f6d08d1SOr Gerlitz 8653f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8663f6d08d1SOr Gerlitz { 8673f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8683f6d08d1SOr Gerlitz struct ttc_params ttc_params; 869f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8703f6d08d1SOr Gerlitz int err; 8713f6d08d1SOr Gerlitz 8723f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8733f6d08d1SOr Gerlitz if (err) 8743f6d08d1SOr Gerlitz return err; 8753f6d08d1SOr Gerlitz 8763f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8773f6d08d1SOr Gerlitz if (err) 8783f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8793f6d08d1SOr Gerlitz 8803f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 881f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 882f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 883f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8843f6d08d1SOr Gerlitz goto err_create_ttc_table; 885f4b45940SMaor Gottlieb } 8863f6d08d1SOr Gerlitz 887f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8883f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 889f4b45940SMaor Gottlieb hp->num_channels, 890f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8913f6d08d1SOr Gerlitz 8923f6d08d1SOr Gerlitz return 0; 8933f6d08d1SOr Gerlitz 8943f6d08d1SOr Gerlitz err_create_ttc_table: 8953f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8963f6d08d1SOr Gerlitz err_create_indirect_tirs: 89706e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8983f6d08d1SOr Gerlitz 8993f6d08d1SOr Gerlitz return err; 9003f6d08d1SOr Gerlitz } 9013f6d08d1SOr Gerlitz 9023f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 9033f6d08d1SOr Gerlitz { 904f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 9053f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 90606e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 9073f6d08d1SOr Gerlitz } 9083f6d08d1SOr Gerlitz 90977ab67b7SOr Gerlitz static struct mlx5e_hairpin * 91077ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 91177ab67b7SOr Gerlitz int peer_ifindex) 91277ab67b7SOr Gerlitz { 91377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 91477ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 91577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 91677ab67b7SOr Gerlitz int err; 91777ab67b7SOr Gerlitz 91877ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 91977ab67b7SOr Gerlitz if (!hp) 92077ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 92177ab67b7SOr Gerlitz 92277ab67b7SOr Gerlitz func_mdev = priv->mdev; 92377ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 924b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 925b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 926b1c2f631SDima Chumak goto create_pair_err; 927b1c2f631SDima Chumak } 92877ab67b7SOr Gerlitz 92977ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 93077ab67b7SOr Gerlitz if (IS_ERR(pair)) { 93177ab67b7SOr Gerlitz err = PTR_ERR(pair); 93277ab67b7SOr Gerlitz goto create_pair_err; 93377ab67b7SOr Gerlitz } 93477ab67b7SOr Gerlitz hp->pair = pair; 93577ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 9363f6d08d1SOr Gerlitz hp->func_priv = priv; 9373f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 93877ab67b7SOr Gerlitz 93977ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 94077ab67b7SOr Gerlitz if (err) 94177ab67b7SOr Gerlitz goto create_transport_err; 94277ab67b7SOr Gerlitz 9433f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 9443f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 9453f6d08d1SOr Gerlitz if (err) 9463f6d08d1SOr Gerlitz goto rss_init_err; 9473f6d08d1SOr Gerlitz } 9483f6d08d1SOr Gerlitz 94977ab67b7SOr Gerlitz return hp; 95077ab67b7SOr Gerlitz 9513f6d08d1SOr Gerlitz rss_init_err: 9523f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 95377ab67b7SOr Gerlitz create_transport_err: 95477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 95577ab67b7SOr Gerlitz create_pair_err: 95677ab67b7SOr Gerlitz kfree(hp); 95777ab67b7SOr Gerlitz return ERR_PTR(err); 95877ab67b7SOr Gerlitz } 95977ab67b7SOr Gerlitz 96077ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 96177ab67b7SOr Gerlitz { 9623f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9633f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 96477ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 96577ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 96677ab67b7SOr Gerlitz kvfree(hp); 96777ab67b7SOr Gerlitz } 96877ab67b7SOr Gerlitz 969106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 970106be53bSOr Gerlitz { 971106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 972106be53bSOr Gerlitz } 973106be53bSOr Gerlitz 9745c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 975106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9765c65c564SOr Gerlitz { 977f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9785c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 979106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9805c65c564SOr Gerlitz 981f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 982106be53bSOr Gerlitz hairpin_hlist, hash_key) { 983e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 984e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9855c65c564SOr Gerlitz return hpe; 9865c65c564SOr Gerlitz } 987e4f9abbdSVlad Buslov } 9885c65c564SOr Gerlitz 9895c65c564SOr Gerlitz return NULL; 9905c65c564SOr Gerlitz } 9915c65c564SOr Gerlitz 992e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 993e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 994e4f9abbdSVlad Buslov { 995f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 996e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 997f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 998e4f9abbdSVlad Buslov return; 999b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 1000f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1001e4f9abbdSVlad Buslov 1002db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 1003e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 1004e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 1005e4f9abbdSVlad Buslov 1006e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 1007db76ca24SVlad Buslov } 1008db76ca24SVlad Buslov 1009db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 1010e4f9abbdSVlad Buslov kfree(hpe); 1011e4f9abbdSVlad Buslov } 1012e4f9abbdSVlad Buslov 1013106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 1014106be53bSOr Gerlitz 1015106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 1016e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 1017e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1018106be53bSOr Gerlitz { 1019106be53bSOr Gerlitz void *headers_c, *headers_v; 1020106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 1021106be53bSOr Gerlitz bool vlan_present; 1022106be53bSOr Gerlitz 1023106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 1024106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 1025e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1026e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 1027106be53bSOr Gerlitz return -EOPNOTSUPP; 1028106be53bSOr Gerlitz } 1029106be53bSOr Gerlitz #endif 1030106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 1031106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1032106be53bSOr Gerlitz 1033106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 1034106be53bSOr Gerlitz if (vlan_present) { 1035106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 1036106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 1037106be53bSOr Gerlitz } 1038106be53bSOr Gerlitz 1039106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 1040106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 1041106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 1042e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1043e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 1044106be53bSOr Gerlitz return -EOPNOTSUPP; 1045106be53bSOr Gerlitz } 1046106be53bSOr Gerlitz 1047106be53bSOr Gerlitz *match_prio = prio_val; 1048106be53bSOr Gerlitz return 0; 1049106be53bSOr Gerlitz } 1050106be53bSOr Gerlitz 10510e414518SGal Pressman static int debugfs_hairpin_num_active_get(void *data, u64 *val) 10520e414518SGal Pressman { 10530e414518SGal Pressman struct mlx5e_tc_table *tc = data; 10540e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 10550e414518SGal Pressman u32 cnt = 0; 10560e414518SGal Pressman u32 bkt; 10570e414518SGal Pressman 10580e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 10590e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 10600e414518SGal Pressman cnt++; 10610e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 10620e414518SGal Pressman 10630e414518SGal Pressman *val = cnt; 10640e414518SGal Pressman 10650e414518SGal Pressman return 0; 10660e414518SGal Pressman } 10670e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_num_active, 10680e414518SGal Pressman debugfs_hairpin_num_active_get, NULL, "%llu\n"); 10690e414518SGal Pressman 10700e414518SGal Pressman static int debugfs_hairpin_table_dump_show(struct seq_file *file, void *priv) 10710e414518SGal Pressman 10720e414518SGal Pressman { 10730e414518SGal Pressman struct mlx5e_tc_table *tc = file->private; 10740e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 10750e414518SGal Pressman u32 bkt; 10760e414518SGal Pressman 10770e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 10780e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 10790e414518SGal Pressman seq_printf(file, "Hairpin peer_vhca_id %u prio %u refcnt %u\n", 10800e414518SGal Pressman hpe->peer_vhca_id, hpe->prio, 10810e414518SGal Pressman refcount_read(&hpe->refcnt)); 10820e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 10830e414518SGal Pressman 10840e414518SGal Pressman return 0; 10850e414518SGal Pressman } 10860e414518SGal Pressman DEFINE_SHOW_ATTRIBUTE(debugfs_hairpin_table_dump); 10870e414518SGal Pressman 10880e414518SGal Pressman static void mlx5e_tc_debugfs_init(struct mlx5e_tc_table *tc, 10890e414518SGal Pressman struct dentry *dfs_root) 10900e414518SGal Pressman { 10910e414518SGal Pressman if (IS_ERR_OR_NULL(dfs_root)) 10920e414518SGal Pressman return; 10930e414518SGal Pressman 10940e414518SGal Pressman tc->dfs_root = debugfs_create_dir("tc", dfs_root); 10950e414518SGal Pressman 10960e414518SGal Pressman debugfs_create_file("hairpin_num_active", 0444, tc->dfs_root, tc, 10970e414518SGal Pressman &fops_hairpin_num_active); 10980e414518SGal Pressman debugfs_create_file("hairpin_table_dump", 0444, tc->dfs_root, tc, 10990e414518SGal Pressman &debugfs_hairpin_table_dump_fops); 11000e414518SGal Pressman } 11010e414518SGal Pressman 11021a803472SGal Pressman static void 11031a803472SGal Pressman mlx5e_hairpin_params_init(struct mlx5e_hairpin_params *hairpin_params, 11041a803472SGal Pressman struct mlx5_core_dev *mdev) 11051a803472SGal Pressman { 11061a803472SGal Pressman u64 link_speed64; 11071a803472SGal Pressman u32 link_speed; 11081a803472SGal Pressman 11091a803472SGal Pressman hairpin_params->mdev = mdev; 11101a803472SGal Pressman /* set hairpin pair per each 50Gbs share of the link */ 11111a803472SGal Pressman mlx5e_port_max_linkspeed(mdev, &link_speed); 11121a803472SGal Pressman link_speed = max_t(u32, link_speed, 50000); 11131a803472SGal Pressman link_speed64 = link_speed; 11141a803472SGal Pressman do_div(link_speed64, 50000); 11151a803472SGal Pressman hairpin_params->num_queues = link_speed64; 11161a803472SGal Pressman 11171a803472SGal Pressman hairpin_params->queue_size = 11181a803472SGal Pressman BIT(min_t(u32, 16 - MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), 11191a803472SGal Pressman MLX5_CAP_GEN(mdev, log_max_hairpin_num_packets))); 11201a803472SGal Pressman } 11211a803472SGal Pressman 11225c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 11235c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1124e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1125e98bedf5SEli Britstein struct netlink_ext_ack *extack) 11265c65c564SOr Gerlitz { 1127f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 112898b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 11295c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1130d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 11315c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 11325c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1133106be53bSOr Gerlitz u8 match_prio; 1134d8822868SOr Gerlitz u16 peer_id; 11355c65c564SOr Gerlitz int err; 11365c65c564SOr Gerlitz 1137d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1138b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1139b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1140b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1141b1c2f631SDima Chumak } 1142b1c2f631SDima Chumak 1143d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1144e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 11455c65c564SOr Gerlitz return -EOPNOTSUPP; 11465c65c564SOr Gerlitz } 11475c65c564SOr Gerlitz 1148d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1149e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1150e98bedf5SEli Britstein extack); 1151106be53bSOr Gerlitz if (err) 1152106be53bSOr Gerlitz return err; 1153b32accdaSVlad Buslov 1154f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1155106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1156db76ca24SVlad Buslov if (hpe) { 1157f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1158db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1159db76ca24SVlad Buslov 1160db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1161db76ca24SVlad Buslov err = -EREMOTEIO; 1162db76ca24SVlad Buslov goto out_err; 1163db76ca24SVlad Buslov } 11645c65c564SOr Gerlitz goto attach_flow; 1165db76ca24SVlad Buslov } 11665c65c564SOr Gerlitz 11675c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1168b32accdaSVlad Buslov if (!hpe) { 1169f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1170db76ca24SVlad Buslov return -ENOMEM; 1171b32accdaSVlad Buslov } 11725c65c564SOr Gerlitz 117373edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 11745c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1175db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1176d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1177106be53bSOr Gerlitz hpe->prio = match_prio; 1178e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1179db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1180db76ca24SVlad Buslov 1181f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1182db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1183f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 11845c65c564SOr Gerlitz 11851a803472SGal Pressman params.log_num_packets = ilog2(tc->hairpin_params.queue_size); 11861a803472SGal Pressman params.log_data_size = 11871a803472SGal Pressman clamp_t(u32, 11881a803472SGal Pressman params.log_num_packets + 11891a803472SGal Pressman MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev), 119094581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 11915c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1192eb9180f7SOr Gerlitz 1193eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 11941a803472SGal Pressman params.num_channels = tc->hairpin_params.num_queues; 11953f6d08d1SOr Gerlitz 11965c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1197db76ca24SVlad Buslov hpe->hp = hp; 1198db76ca24SVlad Buslov complete_all(&hpe->res_ready); 11995c65c564SOr Gerlitz if (IS_ERR(hp)) { 12005c65c564SOr Gerlitz err = PTR_ERR(hp); 1201db76ca24SVlad Buslov goto out_err; 12025c65c564SOr Gerlitz } 12035c65c564SOr Gerlitz 1204eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1205a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 120627b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1207eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 12085c65c564SOr Gerlitz 12095c65c564SOr Gerlitz attach_flow: 12103f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1211226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1212f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1213f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 12143f6d08d1SOr Gerlitz } else { 1215a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 12163f6d08d1SOr Gerlitz } 1217b32accdaSVlad Buslov 1218e4f9abbdSVlad Buslov flow->hpe = hpe; 121973edca73SVlad Buslov spin_lock(&hpe->flows_lock); 12205c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 122173edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 12223f6d08d1SOr Gerlitz 12235c65c564SOr Gerlitz return 0; 12245c65c564SOr Gerlitz 1225db76ca24SVlad Buslov out_err: 1226db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 12275c65c564SOr Gerlitz return err; 12285c65c564SOr Gerlitz } 12295c65c564SOr Gerlitz 12305c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 12315c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 12325c65c564SOr Gerlitz { 12335a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1234e4f9abbdSVlad Buslov if (!flow->hpe) 12355a7e5bcbSVlad Buslov return; 12365a7e5bcbSVlad Buslov 123773edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 12385c65c564SOr Gerlitz list_del(&flow->hairpin); 123973edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 124073edca73SVlad Buslov 1241e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1242e4f9abbdSVlad Buslov flow->hpe = NULL; 12435c65c564SOr Gerlitz } 12445c65c564SOr Gerlitz 124508247066SAriel Levkovich struct mlx5_flow_handle * 124608247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 124708247066SAriel Levkovich struct mlx5_flow_spec *spec, 1248c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1249e8f887acSAmir Vadai { 125008247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1251f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1252f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1253c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 12545c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 125523bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 125666958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 12573bc4b7bfSOr Gerlitz .action = attr->action, 1258bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 125966958ed9SHadar Hen Zion }; 126008247066SAriel Levkovich struct mlx5_flow_handle *rule; 1261c7569097SAriel Levkovich struct mlx5_flow_table *ft; 126208247066SAriel Levkovich int dest_ix = 0; 1263e8f887acSAmir Vadai 126423bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1265bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1266c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1267bb0ee7dcSJianbo Liu 1268aedd133dSAriel Levkovich if (attr->dest_ft) { 1269aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1270aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1271aedd133dSAriel Levkovich dest_ix++; 1272aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 12733f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1274c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 127508247066SAriel Levkovich dest_ix++; 1276c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 12775c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1278c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 12793f6d08d1SOr Gerlitz dest_ix++; 12803f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 12815c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1282c7569097SAriel Levkovich if (attr->dest_chain) { 1283c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1284c7569097SAriel Levkovich attr->dest_chain, 1, 1285c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1286c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1287c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1288c7569097SAriel Levkovich } else { 1289f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1290c7569097SAriel Levkovich } 12915c65c564SOr Gerlitz dest_ix++; 12925c65c564SOr Gerlitz } 1293aad7e08dSAmir Vadai 1294c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1295c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1296c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1297c7569097SAriel Levkovich 129808247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 12995c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 130008247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 13015c65c564SOr Gerlitz dest_ix++; 1302aad7e08dSAmir Vadai } 1303aad7e08dSAmir Vadai 130408247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13052b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 13062f4fe4caSOr Gerlitz 13076a064674SAriel Levkovich mutex_lock(&tc->t_lock); 13086a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 13096a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 13106a064674SAriel Levkovich tc->t = 1311c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 131221b9c144SOr Gerlitz 13136a064674SAriel Levkovich if (IS_ERR(tc->t)) { 13146a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1315e8f887acSAmir Vadai netdev_err(priv->netdev, 1316e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1317f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1318c7569097SAriel Levkovich goto err_ft_get; 1319e8f887acSAmir Vadai } 1320e8f887acSAmir Vadai } 132108247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1322e8f887acSAmir Vadai 1323aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1324c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1325c7569097SAriel Levkovich attr->chain, attr->prio, 1326c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1327aedd133dSAriel Levkovich else 1328aedd133dSAriel Levkovich ft = attr->ft; 1329aedd133dSAriel Levkovich 1330c7569097SAriel Levkovich if (IS_ERR(ft)) { 1331c7569097SAriel Levkovich rule = ERR_CAST(ft); 1332c7569097SAriel Levkovich goto err_ft_get; 1333c7569097SAriel Levkovich } 1334c7569097SAriel Levkovich 1335c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 133608247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 133738aa51c1SOr Gerlitz 1338c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 13395c65c564SOr Gerlitz &flow_act, dest, dest_ix); 134008247066SAriel Levkovich if (IS_ERR(rule)) 1341c7569097SAriel Levkovich goto err_rule; 134208247066SAriel Levkovich 134308247066SAriel Levkovich return rule; 1344c7569097SAriel Levkovich 1345c7569097SAriel Levkovich err_rule: 1346aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1347c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1348c7569097SAriel Levkovich attr->chain, attr->prio, 1349c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1350c7569097SAriel Levkovich err_ft_get: 1351c7569097SAriel Levkovich if (attr->dest_chain) 1352c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1353c7569097SAriel Levkovich attr->dest_chain, 1, 1354c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1355c7569097SAriel Levkovich 1356c7569097SAriel Levkovich return ERR_CAST(rule); 135708247066SAriel Levkovich } 135808247066SAriel Levkovich 135908247066SAriel Levkovich static int 1360df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1361df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1362df67ad62SRoi Dayan 1363df67ad62SRoi Dayan { 1364df67ad62SRoi Dayan struct mlx5_fc *counter; 1365df67ad62SRoi Dayan 1366df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1367df67ad62SRoi Dayan if (IS_ERR(counter)) 1368df67ad62SRoi Dayan return PTR_ERR(counter); 1369df67ad62SRoi Dayan 1370df67ad62SRoi Dayan attr->counter = counter; 1371df67ad62SRoi Dayan return 0; 1372df67ad62SRoi Dayan } 1373df67ad62SRoi Dayan 1374df67ad62SRoi Dayan static int 137508247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 137608247066SAriel Levkovich struct mlx5e_tc_flow *flow, 137708247066SAriel Levkovich struct netlink_ext_ack *extack) 137808247066SAriel Levkovich { 1379c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1380c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 138108247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 138208247066SAriel Levkovich int err; 138308247066SAriel Levkovich 1384c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1385c6cfe113SRoi Dayan 138608247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 138708247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 138808247066SAriel Levkovich if (err) 138908247066SAriel Levkovich return err; 139008247066SAriel Levkovich } 139108247066SAriel Levkovich 139208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1393df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1394df67ad62SRoi Dayan if (err) 1395df67ad62SRoi Dayan return err; 139608247066SAriel Levkovich } 139708247066SAriel Levkovich 139808247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1399c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(priv, flow, attr); 140008247066SAriel Levkovich if (err) 140108247066SAriel Levkovich return err; 140208247066SAriel Levkovich } 140308247066SAriel Levkovich 140484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1405a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1406aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1407aedd133dSAriel Levkovich else 140808247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 140908247066SAriel Levkovich attr); 1410e8f887acSAmir Vadai 1411a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1412e8f887acSAmir Vadai } 1413e8f887acSAmir Vadai 141408247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1415c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1416c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 141708247066SAriel Levkovich { 1418f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1419f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1420c7569097SAriel Levkovich 1421f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 142208247066SAriel Levkovich mlx5_del_flow_rules(rule); 1423c7569097SAriel Levkovich 1424aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1425c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1426c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1427c7569097SAriel Levkovich 1428c7569097SAriel Levkovich if (attr->dest_chain) 1429c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1430c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 143108247066SAriel Levkovich } 143208247066SAriel Levkovich 1433d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1434d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1435d85cdccbSOr Gerlitz { 1436f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1437c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1438d85cdccbSOr Gerlitz 1439c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1440c7569097SAriel Levkovich 144184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1442a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1443aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1444aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1445aedd133dSAriel Levkovich 1446c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1447c7569097SAriel Levkovich * extra steering hops. 1448c7569097SAriel Levkovich */ 1449f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 14506a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 14516a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 145223bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1453f52f2faeSLama Kayal tc->t = NULL; 1454d85cdccbSOr Gerlitz } 1455f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 14562f4fe4caSOr Gerlitz 14575e72f3f1SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 14585e72f3f1SAriel Levkovich mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 1459c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 14605e72f3f1SAriel Levkovich } 14615c65c564SOr Gerlitz 1462972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1463aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1464aedd133dSAriel Levkovich 1465226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 14665c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1467c620b772SAriel Levkovich 14688300f225SRoi Dayan free_flow_post_acts(flow); 14698300f225SRoi Dayan 147088d97486SRoi Dayan kvfree(attr->parse_attr); 1471c620b772SAriel Levkovich kfree(flow->attr); 1472d85cdccbSOr Gerlitz } 1473d85cdccbSOr Gerlitz 14740d9f9647SVlad Buslov struct mlx5_flow_handle * 14756d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 14766d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 14776d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1478c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14796d2a3ed0SOr Gerlitz { 14806d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14814c3844d9SPaul Blakey 1482e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 148389e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 148489e39467SPaul Blakey 1485a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 14866d2a3ed0SOr Gerlitz 14876d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 14886d2a3ed0SOr Gerlitz return rule; 14896d2a3ed0SOr Gerlitz 1490c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 14916d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 149284ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 149384ba8062SRoi Dayan goto err_rule1; 14946d2a3ed0SOr Gerlitz } 14956d2a3ed0SOr Gerlitz 14966d2a3ed0SOr Gerlitz return rule; 149784ba8062SRoi Dayan 149884ba8062SRoi Dayan err_rule1: 1499a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 150084ba8062SRoi Dayan return flow->rule[1]; 15016d2a3ed0SOr Gerlitz } 15026d2a3ed0SOr Gerlitz 15030d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 15046d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1505c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 15066d2a3ed0SOr Gerlitz { 1507226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 15086d2a3ed0SOr Gerlitz 1509e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 151084ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 151189e39467SPaul Blakey 1512c620b772SAriel Levkovich if (attr->esw_attr->split_count) 15136d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 15146d2a3ed0SOr Gerlitz 1515a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 15166d2a3ed0SOr Gerlitz } 15176d2a3ed0SOr Gerlitz 15180d9f9647SVlad Buslov struct mlx5_flow_handle * 15195dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 15205dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1521178f69b4SEli Cohen struct mlx5_flow_spec *spec) 15225dbe906fSPaul Blakey { 15238dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 15248dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1525c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 15265dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15278dc47c05SPaul Blakey bool fwd_and_modify_cap; 15288dc47c05SPaul Blakey u32 chain_mapping = 0; 15298dc47c05SPaul Blakey int err; 15305dbe906fSPaul Blakey 1531c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1532c620b772SAriel Levkovich if (!slow_attr) 1533c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 15345dbe906fSPaul Blakey 1535c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1536c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1537c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1538e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1539c620b772SAriel Levkovich 15408dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 15418dc47c05SPaul Blakey if (!fwd_and_modify_cap) 15428dc47c05SPaul Blakey goto skip_restore; 15438dc47c05SPaul Blakey 15448dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 15458dc47c05SPaul Blakey if (err) 15468dc47c05SPaul Blakey goto err_get_chain; 15478dc47c05SPaul Blakey 15488dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 1549235ff07dSPaul Blakey MAPPED_OBJ_TO_REG, chain_mapping); 15508dc47c05SPaul Blakey if (err) 15518dc47c05SPaul Blakey goto err_reg_set; 15528dc47c05SPaul Blakey 15538dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 15548dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 15558dc47c05SPaul Blakey if (IS_ERR(mh)) { 15568dc47c05SPaul Blakey err = PTR_ERR(mh); 15578dc47c05SPaul Blakey goto err_attach; 15588dc47c05SPaul Blakey } 15598dc47c05SPaul Blakey 15608dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 15618dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 15628dc47c05SPaul Blakey 15638dc47c05SPaul Blakey skip_restore: 1564c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 15658dc47c05SPaul Blakey if (IS_ERR(rule)) { 15668dc47c05SPaul Blakey err = PTR_ERR(rule); 15678dc47c05SPaul Blakey goto err_offload; 15688dc47c05SPaul Blakey } 15698dc47c05SPaul Blakey 157082b56480SRoi Dayan flow->attr->slow_mh = mh; 15718dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1572226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 15735dbe906fSPaul Blakey 15748dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1575c620b772SAriel Levkovich kfree(slow_attr); 1576c620b772SAriel Levkovich 15775dbe906fSPaul Blakey return rule; 15788dc47c05SPaul Blakey 15798dc47c05SPaul Blakey err_offload: 15808dc47c05SPaul Blakey if (fwd_and_modify_cap) 15818dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 15828dc47c05SPaul Blakey err_attach: 15838dc47c05SPaul Blakey err_reg_set: 15848dc47c05SPaul Blakey if (fwd_and_modify_cap) 15858dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 15868dc47c05SPaul Blakey err_get_chain: 15878dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 15888dc47c05SPaul Blakey kfree(slow_attr); 15898dc47c05SPaul Blakey return ERR_PTR(err); 15905dbe906fSPaul Blakey } 15915dbe906fSPaul Blakey 15920d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1593178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 15945dbe906fSPaul Blakey { 159582b56480SRoi Dayan struct mlx5e_mod_hdr_handle *slow_mh = flow->attr->slow_mh; 1596c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1597178f69b4SEli Cohen 1598c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 15995efbe617SAriel Levkovich if (!slow_attr) { 16005efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 16015efbe617SAriel Levkovich return; 16025efbe617SAriel Levkovich } 1603c620b772SAriel Levkovich 1604c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1605c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1606c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1607e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 160882b56480SRoi Dayan if (slow_mh) { 16098dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 161082b56480SRoi Dayan slow_attr->modify_hdr = mlx5e_mod_hdr_get(slow_mh); 16118dc47c05SPaul Blakey } 1612c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 161382b56480SRoi Dayan if (slow_mh) { 161482b56480SRoi Dayan mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), slow_mh); 16158dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 16168dc47c05SPaul Blakey flow->chain_mapping = 0; 161782b56480SRoi Dayan flow->attr->slow_mh = NULL; 16188dc47c05SPaul Blakey } 1619226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1620c620b772SAriel Levkovich kfree(slow_attr); 16215dbe906fSPaul Blakey } 16225dbe906fSPaul Blakey 1623ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1624ad86755bSVlad Buslov * function. 1625ad86755bSVlad Buslov */ 1626ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1627ad86755bSVlad Buslov struct list_head *unready_flows) 1628ad86755bSVlad Buslov { 1629ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1630ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1631ad86755bSVlad Buslov } 1632ad86755bSVlad Buslov 1633ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1634ad86755bSVlad Buslov * function. 1635ad86755bSVlad Buslov */ 1636ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1637ad86755bSVlad Buslov { 1638ad86755bSVlad Buslov list_del(&flow->unready); 1639ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1640ad86755bSVlad Buslov } 1641ad86755bSVlad Buslov 1642b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1643b4a23329SRoi Dayan { 1644b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1645b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1646b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1647b4a23329SRoi Dayan 1648b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1649b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1650b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1651b4a23329SRoi Dayan 1652ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1653ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1654ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1655b4a23329SRoi Dayan } 1656b4a23329SRoi Dayan 1657b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1658b4a23329SRoi Dayan { 1659ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1660ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1661ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1662ad86755bSVlad Buslov 1663ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1664ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1665ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1666ad86755bSVlad Buslov 1667ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1668ad86755bSVlad Buslov unready_flow_del(flow); 1669ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1670b4a23329SRoi Dayan } 1671b4a23329SRoi Dayan 1672a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 167310742efcSVlad Buslov { 167410742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 167510742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 167610742efcSVlad Buslov 167710742efcSVlad Buslov out_priv = netdev_priv(out_dev); 167810742efcSVlad Buslov out_mdev = out_priv->mdev; 167910742efcSVlad Buslov route_priv = netdev_priv(route_dev); 168010742efcSVlad Buslov route_mdev = route_priv->mdev; 168110742efcSVlad Buslov 168272e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 168372e0bcd1SRoi Dayan return false; 168472e0bcd1SRoi Dayan 168572e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 168672e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 168710742efcSVlad Buslov return false; 168810742efcSVlad Buslov 1689ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 169010742efcSVlad Buslov } 169110742efcSVlad Buslov 1692a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 169310742efcSVlad Buslov { 169410742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1695f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 169610742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 169710742efcSVlad Buslov struct mlx5_eswitch *esw; 169810742efcSVlad Buslov u16 vhca_id; 169910742efcSVlad Buslov int err; 170010742efcSVlad Buslov 170110742efcSVlad Buslov out_priv = netdev_priv(out_dev); 170210742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 170310742efcSVlad Buslov route_priv = netdev_priv(route_dev); 170410742efcSVlad Buslov route_mdev = route_priv->mdev; 170510742efcSVlad Buslov 170610742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1707f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1708f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1709f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1710f9d196bdSDmytro Linkin * eswitch. 1711f9d196bdSDmytro Linkin */ 171210742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1713f9d196bdSDmytro Linkin if (err != -ENOENT) 1714f9d196bdSDmytro Linkin return err; 1715f9d196bdSDmytro Linkin 1716f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1717f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1718f9d196bdSDmytro Linkin if (!esw) 1719f9d196bdSDmytro Linkin return -ENODEV; 1720f9d196bdSDmytro Linkin } 1721f9d196bdSDmytro Linkin 1722f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1723f9d196bdSDmytro Linkin if (devcom) 1724f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 172510742efcSVlad Buslov return err; 172610742efcSVlad Buslov } 172710742efcSVlad Buslov 1728c83954abSRabie Loulou static int 172939542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 173039542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1731c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 173239542e23SRoi Dayan struct netlink_ext_ack *extack, 173339542e23SRoi Dayan bool *vf_tun) 173439542e23SRoi Dayan { 173539542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 173639542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 173739542e23SRoi Dayan struct net_device *encap_dev = NULL; 173839542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 173939542e23SRoi Dayan struct mlx5e_priv *out_priv; 174039542e23SRoi Dayan int out_index; 174139542e23SRoi Dayan int err = 0; 174239542e23SRoi Dayan 17438300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 17448300f225SRoi Dayan return 0; 17458300f225SRoi Dayan 174639542e23SRoi Dayan parse_attr = attr->parse_attr; 174739542e23SRoi Dayan esw_attr = attr->esw_attr; 174839542e23SRoi Dayan *vf_tun = false; 174939542e23SRoi Dayan 175039542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 175139542e23SRoi Dayan struct net_device *out_dev; 175239542e23SRoi Dayan int mirred_ifindex; 175339542e23SRoi Dayan 175439542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 175539542e23SRoi Dayan continue; 175639542e23SRoi Dayan 175739542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 175839542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 175939542e23SRoi Dayan if (!out_dev) { 176039542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 176139542e23SRoi Dayan err = -ENODEV; 176239542e23SRoi Dayan goto out; 176339542e23SRoi Dayan } 1764c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 1765f3774220SChris Mi extack, &encap_dev); 176639542e23SRoi Dayan dev_put(out_dev); 176739542e23SRoi Dayan if (err) 176839542e23SRoi Dayan goto out; 176939542e23SRoi Dayan 177039542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 177139542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 177239542e23SRoi Dayan !esw_attr->dest_int_port) 177339542e23SRoi Dayan *vf_tun = true; 177439542e23SRoi Dayan 177539542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 177639542e23SRoi Dayan rpriv = out_priv->ppriv; 177739542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 177839542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 177939542e23SRoi Dayan } 178039542e23SRoi Dayan 178139542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 178239542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 178339542e23SRoi Dayan err = -EOPNOTSUPP; 178439542e23SRoi Dayan goto out; 178539542e23SRoi Dayan } 178639542e23SRoi Dayan 178739542e23SRoi Dayan out: 178839542e23SRoi Dayan return err; 178939542e23SRoi Dayan } 179039542e23SRoi Dayan 179139542e23SRoi Dayan static void 179239542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 179339542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1794c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 179539542e23SRoi Dayan bool *vf_tun) 179639542e23SRoi Dayan { 179739542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 179839542e23SRoi Dayan int out_index; 179939542e23SRoi Dayan 18008300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 18018300f225SRoi Dayan return; 18028300f225SRoi Dayan 180339542e23SRoi Dayan esw_attr = attr->esw_attr; 180439542e23SRoi Dayan *vf_tun = false; 180539542e23SRoi Dayan 180639542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 180739542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 180839542e23SRoi Dayan continue; 180939542e23SRoi Dayan 181039542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 181139542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 181239542e23SRoi Dayan !esw_attr->dest_int_port) 181339542e23SRoi Dayan *vf_tun = true; 181439542e23SRoi Dayan 1815c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 181639542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 181739542e23SRoi Dayan } 181839542e23SRoi Dayan } 181939542e23SRoi Dayan 182039542e23SRoi Dayan static int 182164426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 182264426382SOz Shlomo { 182364426382SOz Shlomo if (!(actions & 182464426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 182564426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 182664426382SOz Shlomo return -EOPNOTSUPP; 182764426382SOz Shlomo } 182864426382SOz Shlomo 182964426382SOz Shlomo if (!(~actions & 183064426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 183164426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 183264426382SOz Shlomo return -EOPNOTSUPP; 183364426382SOz Shlomo } 183464426382SOz Shlomo 183564426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 183664426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 183764426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 183864426382SOz Shlomo return -EOPNOTSUPP; 183964426382SOz Shlomo } 184064426382SOz Shlomo 184164426382SOz Shlomo return 0; 184264426382SOz Shlomo } 184364426382SOz Shlomo 184464426382SOz Shlomo static int 18458facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 18468facc02fSOz Shlomo struct mlx5_flow_attr *attr, 18478facc02fSOz Shlomo struct netlink_ext_ack *extack) 18488facc02fSOz Shlomo { 18498facc02fSOz Shlomo bool vf_tun; 18508facc02fSOz Shlomo int err = 0; 18518facc02fSOz Shlomo 185264426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 185364426382SOz Shlomo if (err) 185464426382SOz Shlomo goto err_out; 185564426382SOz Shlomo 18568facc02fSOz Shlomo err = set_encap_dests(flow->priv, flow, attr, extack, &vf_tun); 18578facc02fSOz Shlomo if (err) 18588facc02fSOz Shlomo goto err_out; 18598facc02fSOz Shlomo 18608facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1861c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr); 18628facc02fSOz Shlomo if (err) 18638facc02fSOz Shlomo goto err_out; 18648facc02fSOz Shlomo } 18658facc02fSOz Shlomo 1866f86488cbSOz Shlomo if (attr->branch_true && 1867f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1868ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_true); 1869f86488cbSOz Shlomo if (err) 1870f86488cbSOz Shlomo goto err_out; 1871f86488cbSOz Shlomo } 1872f86488cbSOz Shlomo 1873f86488cbSOz Shlomo if (attr->branch_false && 1874f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1875ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_false); 1876f86488cbSOz Shlomo if (err) 1877f86488cbSOz Shlomo goto err_out; 1878f86488cbSOz Shlomo } 1879f86488cbSOz Shlomo 18808facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 18818facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 18828facc02fSOz Shlomo if (err) 18838facc02fSOz Shlomo goto err_out; 18848facc02fSOz Shlomo } 18858facc02fSOz Shlomo 18868facc02fSOz Shlomo err_out: 18878facc02fSOz Shlomo return err; 18888facc02fSOz Shlomo } 18898facc02fSOz Shlomo 18908facc02fSOz Shlomo static int 189174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1892e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1893e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1894adb4c123SOr Gerlitz { 1895adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1896c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1897c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1898c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 189939ac237cSPaul Blakey u32 max_prio, max_chain; 19000ad060eeSRoi Dayan int err = 0; 19018b32580dSOr Gerlitz 1902b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1903b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1904b16eb3c8SAriel Levkovich 190584179981SPaul Blakey /* We check chain range only for tc flows. 190684179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 190784179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 190884179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 190984179981SPaul Blakey */ 1910ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 191184179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 191261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 191361644c3dSRoi Dayan "Requested chain is out of supported range"); 19148914add2SVlad Buslov err = -EOPNOTSUPP; 19158914add2SVlad Buslov goto err_out; 1916bf07aa73SPaul Blakey } 1917bf07aa73SPaul Blakey 1918ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1919bf07aa73SPaul Blakey if (attr->prio > max_prio) { 192061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 192161644c3dSRoi Dayan "Requested priority is out of supported range"); 19228914add2SVlad Buslov err = -EOPNOTSUPP; 19238914add2SVlad Buslov goto err_out; 1924bf07aa73SPaul Blakey } 1925bf07aa73SPaul Blakey 1926777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1927777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1928777bb800SVlad Buslov if (err) 19298914add2SVlad Buslov goto err_out; 1930b16eb3c8SAriel Levkovich 19315b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 19325b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1933b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1934b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1935b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1936b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1937b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1938b16eb3c8SAriel Levkovich * from the proper chain. 1939b16eb3c8SAriel Levkovich */ 1940b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1941b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1942b16eb3c8SAriel Levkovich 1943b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1944b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1945b16eb3c8SAriel Levkovich metadata); 1946b16eb3c8SAriel Levkovich if (err) 194731108d14SChristophe JAILLET goto err_out; 1948077cdda7SRoi Dayan 1949077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1950b16eb3c8SAriel Levkovich } 1951777bb800SVlad Buslov } 1952777bb800SVlad Buslov 195314e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 195414e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 195514e6b038SEli Cohen if (err) 19568914add2SVlad Buslov goto err_out; 195714e6b038SEli Cohen } 195814e6b038SEli Cohen 1959166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1960166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1961166f431eSAriel Levkovich 1962166f431eSAriel Levkovich if (attr->chain) { 1963166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1964166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 196531108d14SChristophe JAILLET err = -EOPNOTSUPP; 196631108d14SChristophe JAILLET goto err_out; 1967166f431eSAriel Levkovich } 1968166f431eSAriel Levkovich 1969166f431eSAriel Levkovich if (attr->dest_chain) { 1970166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1971166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 197231108d14SChristophe JAILLET err = -EOPNOTSUPP; 197331108d14SChristophe JAILLET goto err_out; 1974166f431eSAriel Levkovich } 1975166f431eSAriel Levkovich 1976166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1977166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1978166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1979166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1980166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 198131108d14SChristophe JAILLET if (IS_ERR(int_port)) { 198231108d14SChristophe JAILLET err = PTR_ERR(int_port); 198331108d14SChristophe JAILLET goto err_out; 198431108d14SChristophe JAILLET } 1985166f431eSAriel Levkovich 1986166f431eSAriel Levkovich esw_attr->int_port = int_port; 1987166f431eSAriel Levkovich } 1988166f431eSAriel Levkovich 1989ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 19900ad060eeSRoi Dayan if (err) 19918914add2SVlad Buslov goto err_out; 19920ad060eeSRoi Dayan 1993d13674b1SOz Shlomo err = mlx5e_tc_act_stats_add_flow(get_act_stats_handle(priv), flow); 1994d13674b1SOz Shlomo if (err) 1995d13674b1SOz Shlomo goto err_out; 1996d13674b1SOz Shlomo 19970ad060eeSRoi Dayan /* we get here if one of the following takes place: 19980ad060eeSRoi Dayan * (1) there's no error 19990ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 20003c37745eSOr Gerlitz */ 2001f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 2002178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 2003bc1d75faSRoi Dayan else 20046d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 20055dbe906fSPaul Blakey 20068914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 20078914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 20088914add2SVlad Buslov goto err_out; 20098914add2SVlad Buslov } 2010226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 2011c83954abSRabie Loulou 20125dbe906fSPaul Blakey return 0; 20138914add2SVlad Buslov 20148914add2SVlad Buslov err_out: 20158914add2SVlad Buslov flow_flag_set(flow, FAILED); 20168914add2SVlad Buslov return err; 2017aa0cbbaeSOr Gerlitz } 2018d85cdccbSOr Gerlitz 20199272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 20209272e3dfSYevgeny Kliteynik { 2021c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 20229272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 20239272e3dfSYevgeny Kliteynik spec->match_value, 20249272e3dfSYevgeny Kliteynik misc_parameters_3); 20259272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 20269272e3dfSYevgeny Kliteynik headers_v, 20279272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 20289272e3dfSYevgeny Kliteynik 20299272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 20309272e3dfSYevgeny Kliteynik } 20319272e3dfSYevgeny Kliteynik 2032f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 2033f86488cbSOz Shlomo { 2034f86488cbSOz Shlomo if (!attr) 2035f86488cbSOz Shlomo return; 2036f86488cbSOz Shlomo 2037f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 2038f86488cbSOz Shlomo kvfree(attr->parse_attr); 2039f86488cbSOz Shlomo kfree(attr); 2040f86488cbSOz Shlomo } 2041f86488cbSOz Shlomo 2042d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 2043d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 2044d85cdccbSOr Gerlitz { 2045d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2046c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 2047777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 204839542e23SRoi Dayan bool vf_tun; 2049d85cdccbSOr Gerlitz 2050777bb800SVlad Buslov esw_attr = attr->esw_attr; 20510a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 20520a7fcb78SPaul Blakey 205312a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 2054b4a23329SRoi Dayan remove_unready_flow(flow); 2055ef06c9eeSRoi Dayan 2056226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 2057226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 2058178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 20595dbe906fSPaul Blakey else 20605dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 20615dbe906fSPaul Blakey } 2062362980eaSVlad Buslov complete_all(&flow->del_hw_done); 2063d85cdccbSOr Gerlitz 20649272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 20659272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 20669272e3dfSYevgeny Kliteynik 2067777bb800SVlad Buslov if (flow->decap_route) 2068777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 2069777bb800SVlad Buslov 2070c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 2071d7e75a32SOr Gerlitz 2072aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 20734c8594adSRoi Dayan 2074c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 20752c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 2076c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 2077c7b9038dSVlad Buslov } 2078b8aee822SMark Bloch 2079b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 2080777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 208114e6b038SEli Cohen 2082166f431eSAriel Levkovich if (esw_attr->int_port) 2083166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 2084166f431eSAriel Levkovich 208527484f71SAriel Levkovich if (esw_attr->dest_int_port) 208627484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 208727484f71SAriel Levkovich 208814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 208914e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 2090c620b772SAriel Levkovich 2091d13674b1SOz Shlomo mlx5e_tc_act_stats_del_flow(get_act_stats_handle(priv), flow); 2092d13674b1SOz Shlomo 20938300f225SRoi Dayan free_flow_post_acts(flow); 2094f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 2095f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 20968300f225SRoi Dayan 209788d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 209888d97486SRoi Dayan kvfree(attr->parse_attr); 2099c620b772SAriel Levkovich kfree(flow->attr); 2100d85cdccbSOr Gerlitz } 2101d85cdccbSOr Gerlitz 21020d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 2103b8aee822SMark Bloch { 21048300f225SRoi Dayan struct mlx5_flow_attr *attr; 21058300f225SRoi Dayan 21068300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 21078300f225SRoi Dayan return attr->counter; 2108b8aee822SMark Bloch } 2109b8aee822SMark Bloch 21106a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 2111021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 21126a06c2f7SVlad Buslov { 21136a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 21146a06c2f7SVlad Buslov 21156a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 21166a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 21176a06c2f7SVlad Buslov } 21186a06c2f7SVlad Buslov 211904de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 212004de7ddaSRoi Dayan { 212104de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 212204de7ddaSRoi Dayan 2123226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 2124226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 212504de7ddaSRoi Dayan return; 212604de7ddaSRoi Dayan 212704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 212804de7ddaSRoi Dayan list_del(&flow->peer); 212904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 213004de7ddaSRoi Dayan 2131226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 213204de7ddaSRoi Dayan 2133eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 213404de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 2135a23dae79SRoi Dayan kfree(flow->peer_flow); 2136eb252c3aSRoi Dayan } 2137eb252c3aSRoi Dayan 213804de7ddaSRoi Dayan flow->peer_flow = NULL; 213904de7ddaSRoi Dayan } 214004de7ddaSRoi Dayan 214104de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 214204de7ddaSRoi Dayan { 214304de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 214404de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 214504de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 214604de7ddaSRoi Dayan 214704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 214804de7ddaSRoi Dayan if (!peer_esw) 214904de7ddaSRoi Dayan return; 215004de7ddaSRoi Dayan 215104de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 215204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 215304de7ddaSRoi Dayan } 215404de7ddaSRoi Dayan 2155e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2156961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2157e8f887acSAmir Vadai { 2158226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 215904de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2160d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 216104de7ddaSRoi Dayan } else { 2162d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2163e8f887acSAmir Vadai } 216404de7ddaSRoi Dayan } 2165e8f887acSAmir Vadai 2166ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2167bbd00f7eSHadar Hen Zion { 2168f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21690a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 21700a7fcb78SPaul Blakey const struct flow_action_entry *act; 21710a7fcb78SPaul Blakey int i; 2172bbd00f7eSHadar Hen Zion 2173ee950e5dSChris Mi if (chain) 2174ee950e5dSChris Mi return false; 2175ee950e5dSChris Mi 21760a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 21770a7fcb78SPaul Blakey switch (act->id) { 21780a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 21790a7fcb78SPaul Blakey return true; 2180ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2181ee950e5dSChris Mi return true; 21820a7fcb78SPaul Blakey default: 21830a7fcb78SPaul Blakey continue; 2184fe1587a7SDmytro Linkin } 21852e72eb43SOr Gerlitz } 2186bbd00f7eSHadar Hen Zion 21870a7fcb78SPaul Blakey return false; 21880a7fcb78SPaul Blakey } 2189bcef735cSOr Gerlitz 21900a7fcb78SPaul Blakey static int 21910a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 21920a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 21930a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 21940a7fcb78SPaul Blakey bool *dont_care) 21950a7fcb78SPaul Blakey { 21960a7fcb78SPaul Blakey struct geneve_opt *opt; 21970a7fcb78SPaul Blakey int off = 0; 2198bcef735cSOr Gerlitz 21990a7fcb78SPaul Blakey *dont_care = true; 2200bcef735cSOr Gerlitz 22010a7fcb78SPaul Blakey while (opts->len > off) { 22020a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2203e98bedf5SEli Britstein 22040a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 22050a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 22060a7fcb78SPaul Blakey *dont_care = false; 22070a7fcb78SPaul Blakey 2208c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2209d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2210c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 22110a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 22120a7fcb78SPaul Blakey netdev_warn(priv->netdev, 22130a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2214e98bedf5SEli Britstein return -EOPNOTSUPP; 2215e98bedf5SEli Britstein } 2216bcef735cSOr Gerlitz } 2217bcef735cSOr Gerlitz 22180a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2219bbd00f7eSHadar Hen Zion } 2220bbd00f7eSHadar Hen Zion 2221bbd00f7eSHadar Hen Zion return 0; 2222bbd00f7eSHadar Hen Zion } 2223bbd00f7eSHadar Hen Zion 22240a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 22250a7fcb78SPaul Blakey ({ \ 22260a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 22270a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 22280a7fcb78SPaul Blakey \ 22290a7fcb78SPaul Blakey memcpy(__dst,\ 22300a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 22310a7fcb78SPaul Blakey diss_key,\ 22320a7fcb78SPaul Blakey __rule->match.key),\ 22330a7fcb78SPaul Blakey sizeof(*__dst));\ 22340a7fcb78SPaul Blakey }) 22350a7fcb78SPaul Blakey 22360a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 22370a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 22380a7fcb78SPaul Blakey struct flow_cls_offload *f, 22390a7fcb78SPaul Blakey struct net_device *filter_dev) 22408377629eSEli Britstein { 22410a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22420a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 22430a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 22440a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2245d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 22460a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2247c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 22480a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 22490a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 22500a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 22510a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 22520a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 22530a7fcb78SPaul Blakey u32 value, mask; 22540a7fcb78SPaul Blakey int err; 22550a7fcb78SPaul Blakey 22560a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 22570a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22580a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 22590a7fcb78SPaul Blakey 22600a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 22610a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 22620a7fcb78SPaul Blakey &tunnel_key.enc_control); 22630a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 22640a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 22650a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 22660a7fcb78SPaul Blakey else 22670a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 22680a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 22690a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 22700a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 22710a7fcb78SPaul Blakey &tunnel_key.enc_tp); 22720a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 22730a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 22740a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 22750a7fcb78SPaul Blakey 22760a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 22770a7fcb78SPaul Blakey if (err) 22780a7fcb78SPaul Blakey return err; 22790a7fcb78SPaul Blakey 22800a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 22810a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 22820a7fcb78SPaul Blakey enc_opts_match.mask, 22830a7fcb78SPaul Blakey extack, 22840a7fcb78SPaul Blakey &enc_opts_is_dont_care); 22850a7fcb78SPaul Blakey if (err) 22860a7fcb78SPaul Blakey goto err_enc_opts; 22870a7fcb78SPaul Blakey 22880a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2289d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2290d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2291d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2292d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2293d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2294d7a42ad0SRoi Dayan 22950a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2296d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 22970a7fcb78SPaul Blakey if (err) 22980a7fcb78SPaul Blakey goto err_enc_opts; 22990a7fcb78SPaul Blakey } 23000a7fcb78SPaul Blakey 23010a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 23020a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 23030a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 23040a7fcb78SPaul Blakey 23050a7fcb78SPaul Blakey if (attr->chain) { 23060a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 23070a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 23080a7fcb78SPaul Blakey } else { 23090a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 23100a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2311aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 23120a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 23130a7fcb78SPaul Blakey if (err) 23140a7fcb78SPaul Blakey goto err_set; 23150a7fcb78SPaul Blakey 23160a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 23170a7fcb78SPaul Blakey } 23180a7fcb78SPaul Blakey 231973a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 23200a7fcb78SPaul Blakey return 0; 23210a7fcb78SPaul Blakey 23220a7fcb78SPaul Blakey err_set: 23230a7fcb78SPaul Blakey if (enc_opts_id) 23240a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 23250a7fcb78SPaul Blakey enc_opts_id); 23260a7fcb78SPaul Blakey err_enc_opts: 23270a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 23280a7fcb78SPaul Blakey return err; 23290a7fcb78SPaul Blakey } 23300a7fcb78SPaul Blakey 23310a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 23320a7fcb78SPaul Blakey { 233373a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 233473a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 23350a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 23360a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 23370a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 23380a7fcb78SPaul Blakey 23390a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 23400a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23410a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 23420a7fcb78SPaul Blakey 23430a7fcb78SPaul Blakey if (tun_id) 23440a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 23450a7fcb78SPaul Blakey if (enc_opts_id) 23460a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 23470a7fcb78SPaul Blakey enc_opts_id); 23480a7fcb78SPaul Blakey } 23490a7fcb78SPaul Blakey 2350fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2351fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2352fca53304SEli Britstein void *headers_c, void *headers_v) 23534a5d5d73SEli Britstein { 2354fca53304SEli Britstein bool ip_version_cap; 2355fca53304SEli Britstein 2356fca53304SEli Britstein ip_version_cap = outer ? 2357fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2358fca53304SEli Britstein ft_field_support.outer_ip_version) : 2359fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2360fca53304SEli Britstein ft_field_support.inner_ip_version); 2361fca53304SEli Britstein 2362fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2363fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2364fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2365fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2366fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2367fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2368fca53304SEli Britstein } else { 23694a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 23704a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 23714a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 23724a5d5d73SEli Britstein ntohs(match->key->n_proto)); 23734a5d5d73SEli Britstein } 2374fca53304SEli Britstein } 23754a5d5d73SEli Britstein 23760d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2377a508728aSVlad Buslov { 2378a508728aSVlad Buslov void *headers_v; 2379a508728aSVlad Buslov u16 ethertype; 2380a508728aSVlad Buslov u8 ip_version; 2381a508728aSVlad Buslov 2382a508728aSVlad Buslov if (outer) 2383a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2384a508728aSVlad Buslov else 2385a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2386a508728aSVlad Buslov 2387a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2388a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2389a508728aSVlad Buslov if (!ip_version) { 2390a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2391a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2392a508728aSVlad Buslov ip_version = 4; 2393a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2394a508728aSVlad Buslov ip_version = 6; 2395a508728aSVlad Buslov } 2396a508728aSVlad Buslov return ip_version; 2397a508728aSVlad Buslov } 2398a508728aSVlad Buslov 2399b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2400b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2401b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2402b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2403b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2404b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2405b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2406b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2407b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2408b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2409b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2410b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2411b6dfff21SPaul Blakey * 2412b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2413b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2414b6dfff21SPaul Blakey * 2415b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2416b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2417b6dfff21SPaul Blakey * 2418b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2419b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2420b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2421b6dfff21SPaul Blakey */ 2422b6dfff21SPaul Blakey 2423b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2424b6dfff21SPaul Blakey struct flow_cls_offload *f, 2425b6dfff21SPaul Blakey bool *match_inner_ecn) 2426b6dfff21SPaul Blakey { 2427b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2428b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2429b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2430b6dfff21SPaul Blakey struct flow_match_ip match; 2431b6dfff21SPaul Blakey 2432b6dfff21SPaul Blakey *match_inner_ecn = true; 2433b6dfff21SPaul Blakey 2434b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2435b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2436b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2437b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2438b6dfff21SPaul Blakey } 2439b6dfff21SPaul Blakey 2440b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2441b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2442b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2443b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2444b6dfff21SPaul Blakey } 2445b6dfff21SPaul Blakey 2446b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2447b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2448b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2449b6dfff21SPaul Blakey return -EOPNOTSUPP; 2450b6dfff21SPaul Blakey } 2451b6dfff21SPaul Blakey 2452b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2453b6dfff21SPaul Blakey if (!inner_ecn_mask) 2454b6dfff21SPaul Blakey return 0; 2455b6dfff21SPaul Blakey 2456b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2457b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2458b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2459b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2460b6dfff21SPaul Blakey return -EOPNOTSUPP; 2461b6dfff21SPaul Blakey } 2462b6dfff21SPaul Blakey 2463b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2464b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2465b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2466b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2467b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2468b6dfff21SPaul Blakey return -EOPNOTSUPP; 2469b6dfff21SPaul Blakey } 2470b6dfff21SPaul Blakey 2471b6dfff21SPaul Blakey if (!inner_ecn_mask) 2472b6dfff21SPaul Blakey return 0; 2473b6dfff21SPaul Blakey 2474b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2475b6dfff21SPaul Blakey 2476b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2477b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2478b6dfff21SPaul Blakey 2479b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2480b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2481b6dfff21SPaul Blakey return -EOPNOTSUPP; 2482b6dfff21SPaul Blakey } 2483b6dfff21SPaul Blakey 2484b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2485b6dfff21SPaul Blakey return 0; 2486b6dfff21SPaul Blakey 2487b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2488b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2489b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2490b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2491b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2492b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2493b6dfff21SPaul Blakey return -EOPNOTSUPP; 2494b6dfff21SPaul Blakey } 2495b6dfff21SPaul Blakey 2496b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2497b6dfff21SPaul Blakey * drop match on inner ecn 2498b6dfff21SPaul Blakey */ 2499b6dfff21SPaul Blakey *match_inner_ecn = false; 2500b6dfff21SPaul Blakey 2501b6dfff21SPaul Blakey return 0; 2502b6dfff21SPaul Blakey } 2503b6dfff21SPaul Blakey 25040a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 25050a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 25060a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 25070a7fcb78SPaul Blakey struct flow_cls_offload *f, 25080a7fcb78SPaul Blakey struct net_device *filter_dev, 25090a7fcb78SPaul Blakey u8 *match_level, 25100a7fcb78SPaul Blakey bool *match_inner) 25110a7fcb78SPaul Blakey { 2512a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 25130a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25140a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 25150a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 25160a7fcb78SPaul Blakey int err; 25170a7fcb78SPaul Blakey 25180885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 25190885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 25200a7fcb78SPaul Blakey return -EOPNOTSUPP; 25210885ae1aSAbhiram R N } 25220a7fcb78SPaul Blakey 2523c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2524ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 25250a7fcb78SPaul Blakey *match_inner = !needs_mapping; 25260a7fcb78SPaul Blakey 25270a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2528636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2529c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2530636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 25310a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2532636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 25330a7fcb78SPaul Blakey return -EOPNOTSUPP; 25340a7fcb78SPaul Blakey } 25350a7fcb78SPaul Blakey 2536c620b772SAriel Levkovich if (!flow->attr->chain) { 25370a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 25380a7fcb78SPaul Blakey match_level); 25390a7fcb78SPaul Blakey if (err) { 25400a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 25410a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 25420a7fcb78SPaul Blakey netdev_warn(priv->netdev, 25430a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 25440a7fcb78SPaul Blakey return err; 25450a7fcb78SPaul Blakey } 25460a7fcb78SPaul Blakey 254714e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 254814e6b038SEli Cohen * object 254914e6b038SEli Cohen */ 255014e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2551c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2552a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2553a508728aSVlad Buslov if (err) 2554a508728aSVlad Buslov return err; 2555521933cdSMaor Dickman } else if (tunnel) { 2556a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2557a508728aSVlad Buslov 2558a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2559a508728aSVlad Buslov if (!tmp_spec) { 2560521933cdSMaor Dickman NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for tunnel tmp spec"); 2561521933cdSMaor Dickman netdev_warn(priv->netdev, "Failed to allocate memory for tunnel tmp spec"); 2562a508728aSVlad Buslov return -ENOMEM; 2563a508728aSVlad Buslov } 2564a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2565a508728aSVlad Buslov 2566a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2567a508728aSVlad Buslov if (err) { 2568a508728aSVlad Buslov kvfree(tmp_spec); 2569a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2570a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2571a508728aSVlad Buslov return err; 2572a508728aSVlad Buslov } 2573a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2574a508728aSVlad Buslov kvfree(tmp_spec); 2575a508728aSVlad Buslov if (err) 2576a508728aSVlad Buslov return err; 25770a7fcb78SPaul Blakey } 25780a7fcb78SPaul Blakey 25790a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 25800a7fcb78SPaul Blakey return 0; 25810a7fcb78SPaul Blakey 25820a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 25830a7fcb78SPaul Blakey } 25840a7fcb78SPaul Blakey 25850a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 25860a7fcb78SPaul Blakey { 25870a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 25880a7fcb78SPaul Blakey inner_headers); 25890a7fcb78SPaul Blakey } 25900a7fcb78SPaul Blakey 25910a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 25920a7fcb78SPaul Blakey { 25930a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 25940a7fcb78SPaul Blakey inner_headers); 25950a7fcb78SPaul Blakey } 25960a7fcb78SPaul Blakey 25970a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 25980a7fcb78SPaul Blakey { 25990a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 26000a7fcb78SPaul Blakey outer_headers); 26010a7fcb78SPaul Blakey } 26020a7fcb78SPaul Blakey 26030a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 26040a7fcb78SPaul Blakey { 26050a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 26068377629eSEli Britstein outer_headers); 26078377629eSEli Britstein } 26088377629eSEli Britstein 26098ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 26108377629eSEli Britstein { 26118377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26120a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 26130a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 26140a7fcb78SPaul Blakey } 26150a7fcb78SPaul Blakey 26168ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 26170a7fcb78SPaul Blakey { 26180a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26190a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 26200a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 26218377629eSEli Britstein } 26228377629eSEli Britstein 26236d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 26246d65bc64Swenxu struct flow_cls_offload *f) 26256d65bc64Swenxu { 26266d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26276d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 26286d65bc64Swenxu struct net_device *ingress_dev; 26296d65bc64Swenxu struct flow_match_meta match; 26306d65bc64Swenxu 26316d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 26326d65bc64Swenxu return 0; 26336d65bc64Swenxu 26346d65bc64Swenxu flow_rule_match_meta(rule, &match); 2635e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2636e3e0f9b2Swenxu return 0; 2637e3e0f9b2Swenxu 26386d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 26396d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2640a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 26416d65bc64Swenxu } 26426d65bc64Swenxu 26436d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 26446d65bc64Swenxu match.key->ingress_ifindex); 26456d65bc64Swenxu if (!ingress_dev) { 26466d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 26476d65bc64Swenxu "Can't find the ingress port to match on"); 2648a683012aSPablo Neira Ayuso return -ENOENT; 26496d65bc64Swenxu } 26506d65bc64Swenxu 26516d65bc64Swenxu if (ingress_dev != filter_dev) { 26526d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 26536d65bc64Swenxu "Can't match on the ingress filter port"); 2654a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 26556d65bc64Swenxu } 26566d65bc64Swenxu 26576d65bc64Swenxu return 0; 26586d65bc64Swenxu } 26596d65bc64Swenxu 266072046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 266172046a91SEli Cohen struct flow_cls_offload *f) 266272046a91SEli Cohen { 266372046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 266472046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 266572046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 266672046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 266772046a91SEli Cohen */ 266872046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 266972046a91SEli Cohen return true; 267072046a91SEli Cohen 267172046a91SEli Cohen return false; 267272046a91SEli Cohen } 267372046a91SEli Cohen 2674de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 26750a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2676de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2677f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 267854c177caSOz Shlomo struct net_device *filter_dev, 267993b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2680e3a2b7edSAmir Vadai { 2681e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2682c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2683c5bb1730SMaor Gottlieb outer_headers); 2684c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2685c5bb1730SMaor Gottlieb outer_headers); 2686699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2687699e96ddSJianbo Liu misc_parameters); 2688699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2689699e96ddSJianbo Liu misc_parameters); 2690a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2691a3222a2dSMaor Dickman misc_parameters_3); 2692a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2693a3222a2dSMaor Dickman misc_parameters_3); 2694f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26958f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2696afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2697b6dfff21SPaul Blakey bool match_inner_ecn = true; 2698e3a2b7edSAmir Vadai u16 addr_type = 0; 2699e3a2b7edSAmir Vadai u8 ip_proto = 0; 270093b3586eSHuy Nguyen u8 *match_level; 27016d65bc64Swenxu int err; 2702e3a2b7edSAmir Vadai 2703afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 270493b3586eSHuy Nguyen match_level = outer_match_level; 2705de0af0bfSRoi Dayan 27068f256622SPablo Neira Ayuso if (dissector->used_keys & 27073d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 27083d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2709e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2710e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2711095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2712699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2713e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2714e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2715bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2716bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2717bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2718bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2719bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2720e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2721fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2722bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 27234c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 27249272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 272572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2726a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 272772046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2728e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 272948470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 27308f256622SPablo Neira Ayuso dissector->used_keys); 2731e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2732e3a2b7edSAmir Vadai } 2733e3a2b7edSAmir Vadai 2734075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 27350a7fcb78SPaul Blakey bool match_inner = false; 2736bbd00f7eSHadar Hen Zion 27370a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 27380a7fcb78SPaul Blakey outer_match_level, &match_inner); 27390a7fcb78SPaul Blakey if (err) 27400a7fcb78SPaul Blakey return err; 27410a7fcb78SPaul Blakey 27420a7fcb78SPaul Blakey if (match_inner) { 27430a7fcb78SPaul Blakey /* header pointers should point to the inner headers 27440a7fcb78SPaul Blakey * if the packet was decapsulated already. 27450a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2746bbd00f7eSHadar Hen Zion */ 274793b3586eSHuy Nguyen match_level = inner_match_level; 27480a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 27490a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 27500a7fcb78SPaul Blakey } 2751b6dfff21SPaul Blakey 2752b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2753b6dfff21SPaul Blakey if (err) 2754b6dfff21SPaul Blakey return err; 2755bbd00f7eSHadar Hen Zion } 2756bbd00f7eSHadar Hen Zion 27576d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 27586d65bc64Swenxu if (err) 27596d65bc64Swenxu return err; 27606d65bc64Swenxu 276172046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 276272046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 27638f256622SPablo Neira Ayuso struct flow_match_basic match; 2764e3a2b7edSAmir Vadai 27658f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2766fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2767fca53304SEli Britstein match_level == outer_match_level, 2768fca53304SEli Britstein headers_c, headers_v); 27698f256622SPablo Neira Ayuso 27708f256622SPablo Neira Ayuso if (match.mask->n_proto) 2771d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2772e3a2b7edSAmir Vadai } 277335a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 277435a605dbSEli Britstein is_vlan_dev(filter_dev)) { 277535a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 277635a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 27778f256622SPablo Neira Ayuso struct flow_match_vlan match; 27788f256622SPablo Neira Ayuso 277935a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 278035a605dbSEli Britstein match.key = &filter_dev_key; 278135a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 278235a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 278335a605dbSEli Britstein match.key->vlan_priority = 0; 278435a605dbSEli Britstein match.mask = &filter_dev_mask; 278535a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 278635a605dbSEli Britstein match.mask->vlan_priority = 0; 278735a605dbSEli Britstein } else { 27888f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 278935a605dbSEli Britstein } 27908f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27918f256622SPablo Neira Ayuso match.mask->vlan_priority || 27928f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 27938f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2794699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2795699e96ddSJianbo Liu svlan_tag, 1); 2796699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2797699e96ddSJianbo Liu svlan_tag, 1); 2798699e96ddSJianbo Liu } else { 2799699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2800699e96ddSJianbo Liu cvlan_tag, 1); 2801699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2802699e96ddSJianbo Liu cvlan_tag, 1); 2803699e96ddSJianbo Liu } 2804095b6cfdSOr Gerlitz 28058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 28068f256622SPablo Neira Ayuso match.mask->vlan_id); 28078f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 28088f256622SPablo Neira Ayuso match.key->vlan_id); 2809358d79a4SOr Gerlitz 28108f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 28118f256622SPablo Neira Ayuso match.mask->vlan_priority); 28128f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 28138f256622SPablo Neira Ayuso match.key->vlan_priority); 281454782900SOr Gerlitz 2815d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2816ada09af9SVlad Buslov 2817ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2818ada09af9SVlad Buslov match.mask->vlan_eth_type && 2819ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2820ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2821ada09af9SVlad Buslov fs_type)) { 2822ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2823ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2824ada09af9SVlad Buslov spec->match_criteria_enable |= 2825ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2826ada09af9SVlad Buslov } 2827095b6cfdSOr Gerlitz } 2828d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2829fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2830fc603294SMark Bloch * disabled in match value means both S & C tags 2831fc603294SMark Bloch * don't exist (untagged of both) 2832fc603294SMark Bloch */ 2833cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2834d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2835095b6cfdSOr Gerlitz } 2836095b6cfdSOr Gerlitz 28378f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 28388f256622SPablo Neira Ayuso struct flow_match_vlan match; 28398f256622SPablo Neira Ayuso 284012d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 28418f256622SPablo Neira Ayuso if (match.mask->vlan_id || 28428f256622SPablo Neira Ayuso match.mask->vlan_priority || 28438f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2844afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2845afe93f71SRoi Dayan fs_type)) { 2846afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2847afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2848afe93f71SRoi Dayan return -EOPNOTSUPP; 2849afe93f71SRoi Dayan } 2850afe93f71SRoi Dayan 28518f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2852699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2853699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2854699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2855699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2856699e96ddSJianbo Liu } else { 2857699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2858699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2859699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2860699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2861699e96ddSJianbo Liu } 2862699e96ddSJianbo Liu 2863699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 28648f256622SPablo Neira Ayuso match.mask->vlan_id); 2865699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 28668f256622SPablo Neira Ayuso match.key->vlan_id); 2867699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 28688f256622SPablo Neira Ayuso match.mask->vlan_priority); 2869699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 28708f256622SPablo Neira Ayuso match.key->vlan_priority); 2871699e96ddSJianbo Liu 2872699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 28730faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2874699e96ddSJianbo Liu } 2875699e96ddSJianbo Liu } 2876699e96ddSJianbo Liu 28778f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 28788f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 287954782900SOr Gerlitz 28808f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2881d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2882d3a80bb5SOr Gerlitz dmac_47_16), 28838f256622SPablo Neira Ayuso match.mask->dst); 2884d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2885d3a80bb5SOr Gerlitz dmac_47_16), 28868f256622SPablo Neira Ayuso match.key->dst); 2887d3a80bb5SOr Gerlitz 2888d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2889d3a80bb5SOr Gerlitz smac_47_16), 28908f256622SPablo Neira Ayuso match.mask->src); 2891d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2892d3a80bb5SOr Gerlitz smac_47_16), 28938f256622SPablo Neira Ayuso match.key->src); 2894d3a80bb5SOr Gerlitz 28958f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 28968f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2897d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 289854782900SOr Gerlitz } 289954782900SOr Gerlitz 29008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 29018f256622SPablo Neira Ayuso struct flow_match_control match; 290254782900SOr Gerlitz 29038f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 29048f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 290554782900SOr Gerlitz 290654782900SOr Gerlitz /* the HW doesn't support frag first/later */ 29070885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 29080885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 290954782900SOr Gerlitz return -EOPNOTSUPP; 29100885ae1aSAbhiram R N } 291154782900SOr Gerlitz 29128f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 291354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 291454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 29158f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 291654782900SOr Gerlitz 291754782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 29188f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 291983621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 292054782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 292154782900SOr Gerlitz else 292283621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 292354782900SOr Gerlitz } 292454782900SOr Gerlitz } 292554782900SOr Gerlitz 29268f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 29278f256622SPablo Neira Ayuso struct flow_match_basic match; 29288f256622SPablo Neira Ayuso 29298f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 29308f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 293154782900SOr Gerlitz 293254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 29338f256622SPablo Neira Ayuso match.mask->ip_proto); 293454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 29358f256622SPablo Neira Ayuso match.key->ip_proto); 293654782900SOr Gerlitz 29378f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2938d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 293954782900SOr Gerlitz } 294054782900SOr Gerlitz 2941e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 29428f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2943e3a2b7edSAmir Vadai 29448f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2945e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2946e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 29478f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2948e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2949e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 29508f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2951e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2952e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 29538f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2954e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2955e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 29568f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2957de0af0bfSRoi Dayan 29588f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2959d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2960e3a2b7edSAmir Vadai } 2961e3a2b7edSAmir Vadai 2962e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 29638f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2964e3a2b7edSAmir Vadai 29658f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2966e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2967e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 29688f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2969e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2970e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 29718f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2972e3a2b7edSAmir Vadai 2973e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2974e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 29758f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2976e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2977e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 29788f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2979de0af0bfSRoi Dayan 29808f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 29818f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2982d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2983e3a2b7edSAmir Vadai } 2984e3a2b7edSAmir Vadai 29858f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 29868f256622SPablo Neira Ayuso struct flow_match_ip match; 29871f97a526SOr Gerlitz 29888f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2989b6dfff21SPaul Blakey if (match_inner_ecn) { 29908f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 29918f256622SPablo Neira Ayuso match.mask->tos & 0x3); 29928f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 29938f256622SPablo Neira Ayuso match.key->tos & 0x3); 2994b6dfff21SPaul Blakey } 29951f97a526SOr Gerlitz 29968f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 29978f256622SPablo Neira Ayuso match.mask->tos >> 2); 29988f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 29998f256622SPablo Neira Ayuso match.key->tos >> 2); 30001f97a526SOr Gerlitz 30018f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 30028f256622SPablo Neira Ayuso match.mask->ttl); 30038f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 30048f256622SPablo Neira Ayuso match.key->ttl); 30051f97a526SOr Gerlitz 30068f256622SPablo Neira Ayuso if (match.mask->ttl && 3007a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3008e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 3009e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3010e98bedf5SEli Britstein "Matching on TTL is not supported"); 30111f97a526SOr Gerlitz return -EOPNOTSUPP; 3012e98bedf5SEli Britstein } 3013a8ade55fSOr Gerlitz 30148f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 3015d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 30161f97a526SOr Gerlitz } 30171f97a526SOr Gerlitz 301854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 301954782900SOr Gerlitz 30208f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 30218f256622SPablo Neira Ayuso struct flow_match_ports match; 30228f256622SPablo Neira Ayuso 30238f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 3024e3a2b7edSAmir Vadai switch (ip_proto) { 3025e3a2b7edSAmir Vadai case IPPROTO_TCP: 3026e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30278f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 3028e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30298f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 3030e3a2b7edSAmir Vadai 3031e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30328f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 3033e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30348f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 3035e3a2b7edSAmir Vadai break; 3036e3a2b7edSAmir Vadai 3037e3a2b7edSAmir Vadai case IPPROTO_UDP: 3038e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30398f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 3040e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30418f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 3042e3a2b7edSAmir Vadai 3043e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30448f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 3045e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30468f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 3047e3a2b7edSAmir Vadai break; 3048e3a2b7edSAmir Vadai default: 3049e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3050e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 3051e3a2b7edSAmir Vadai netdev_err(priv->netdev, 3052e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 3053e3a2b7edSAmir Vadai return -EINVAL; 3054e3a2b7edSAmir Vadai } 3055de0af0bfSRoi Dayan 30568f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 3057d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3058e3a2b7edSAmir Vadai } 3059e3a2b7edSAmir Vadai 30608f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 30618f256622SPablo Neira Ayuso struct flow_match_tcp match; 3062e77834ecSOr Gerlitz 30638f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 3064e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 30658f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 3066e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 30678f256622SPablo Neira Ayuso ntohs(match.key->flags)); 3068e77834ecSOr Gerlitz 30698f256622SPablo Neira Ayuso if (match.mask->flags) 3070d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3071e77834ecSOr Gerlitz } 3072a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 3073a3222a2dSMaor Dickman struct flow_match_icmp match; 3074e77834ecSOr Gerlitz 3075a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 3076a3222a2dSMaor Dickman switch (ip_proto) { 3077a3222a2dSMaor Dickman case IPPROTO_ICMP: 3078a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 30790885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 30800885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30810885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 3082a3222a2dSMaor Dickman return -EOPNOTSUPP; 30830885ae1aSAbhiram R N } 3084a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 3085a3222a2dSMaor Dickman match.mask->type); 3086a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 3087a3222a2dSMaor Dickman match.key->type); 3088a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 3089a3222a2dSMaor Dickman match.mask->code); 3090a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 3091a3222a2dSMaor Dickman match.key->code); 3092a3222a2dSMaor Dickman break; 3093a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 3094a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 30950885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 30960885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30970885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 3098a3222a2dSMaor Dickman return -EOPNOTSUPP; 30990885ae1aSAbhiram R N } 3100a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 3101a3222a2dSMaor Dickman match.mask->type); 3102a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 3103a3222a2dSMaor Dickman match.key->type); 3104a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 3105a3222a2dSMaor Dickman match.mask->code); 3106a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 3107a3222a2dSMaor Dickman match.key->code); 3108a3222a2dSMaor Dickman break; 3109a3222a2dSMaor Dickman default: 3110a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 3111a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 3112a3222a2dSMaor Dickman netdev_err(priv->netdev, 3113a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 3114a3222a2dSMaor Dickman return -EINVAL; 3115a3222a2dSMaor Dickman } 3116a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 3117a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 3118a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 3119a3222a2dSMaor Dickman } 3120a3222a2dSMaor Dickman } 312139c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 31227d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 31237d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 31247d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 31257d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 31267d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 31277d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 31287d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 31297d6c86e3SAlaa Hleihel } 31307d6c86e3SAlaa Hleihel 3131e3a2b7edSAmir Vadai return 0; 3132e3a2b7edSAmir Vadai } 3133e3a2b7edSAmir Vadai 3134de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 313565ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3136de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3137f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 313854c177caSOz Shlomo struct net_device *filter_dev) 3139de0af0bfSRoi Dayan { 314093b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3141e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3142de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3143de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 31441d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 31451d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3146226f2ca3SVlad Buslov bool is_eswitch_flow; 3147de0af0bfSRoi Dayan int err; 3148de0af0bfSRoi Dayan 314993b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 315093b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 315193b3586eSHuy Nguyen 31520a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 31530a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 315493b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 315593b3586eSHuy Nguyen outer_match_level : inner_match_level; 3156de0af0bfSRoi Dayan 3157226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3158226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 31591d447a39SSaeed Mahameed rep = rpriv->rep; 3160b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 31611d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 316293b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3163e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3164e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3165de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3166de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 316793b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3168de0af0bfSRoi Dayan return -EOPNOTSUPP; 3169de0af0bfSRoi Dayan } 3170de0af0bfSRoi Dayan } 3171de0af0bfSRoi Dayan 3172c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3173c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3174c620b772SAriel Levkovich 317538aa51c1SOr Gerlitz 3176de0af0bfSRoi Dayan return err; 3177de0af0bfSRoi Dayan } 3178de0af0bfSRoi Dayan 3179d79b6df6SOr Gerlitz struct mlx5_fields { 3180d79b6df6SOr Gerlitz u8 field; 318188f30bbcSDmytro Linkin u8 field_bsize; 318288f30bbcSDmytro Linkin u32 field_mask; 3183d79b6df6SOr Gerlitz u32 offset; 318427c11b6bSEli Britstein u32 match_offset; 3185d79b6df6SOr Gerlitz }; 3186d79b6df6SOr Gerlitz 318788f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 318888f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 318927c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 319027c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 319127c11b6bSEli Britstein 31922ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 31932ef86872SEli Britstein * match. 31942ef86872SEli Britstein */ 31952ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 31962ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 31972ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 31982ef86872SEli Britstein type maskx = *(type *)(maskp); \ 31992ef86872SEli Britstein type valx = *(type *)(valp); \ 32002ef86872SEli Britstein \ 32012ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 32022ef86872SEli Britstein matchmaskx)); \ 32032ef86872SEli Britstein }) 32042ef86872SEli Britstein 320527c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 320688f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 320727c11b6bSEli Britstein { 320827c11b6bSEli Britstein bool same = false; 320927c11b6bSEli Britstein 321088f30bbcSDmytro Linkin switch (bsize) { 321188f30bbcSDmytro Linkin case 8: 32122ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 321327c11b6bSEli Britstein break; 321488f30bbcSDmytro Linkin case 16: 32152ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 321627c11b6bSEli Britstein break; 321788f30bbcSDmytro Linkin case 32: 32182ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 321927c11b6bSEli Britstein break; 322027c11b6bSEli Britstein } 322127c11b6bSEli Britstein 322227c11b6bSEli Britstein return same; 322327c11b6bSEli Britstein } 3224a8e4f0c4SOr Gerlitz 3225d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 322688f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 322788f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 322888f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 322988f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 323088f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 323188f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3232d79b6df6SOr Gerlitz 3233ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 323488f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 323588f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 323688f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3237d79b6df6SOr Gerlitz 323888f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 323927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 324088f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 324127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 324288f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 324327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 324488f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 324527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 324688f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 324727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 324888f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 324927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 325088f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 325127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 325288f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 325327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 325488f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3255748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3256d79b6df6SOr Gerlitz 325788f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 325888f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 325988f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 326088f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3261d79b6df6SOr Gerlitz 326288f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 326388f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3264d79b6df6SOr Gerlitz }; 3265d79b6df6SOr Gerlitz 326682198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 326782198d8bSMaor Dickman { 326882198d8bSMaor Dickman __be32 mask_be32; 326982198d8bSMaor Dickman __be16 mask_be16; 327082198d8bSMaor Dickman 327182198d8bSMaor Dickman if (size == 32) { 327282198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 327382198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 327482198d8bSMaor Dickman } else if (size == 16) { 327582198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 327682198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 327782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 327882198d8bSMaor Dickman } 327982198d8bSMaor Dickman 328082198d8bSMaor Dickman return mask; 328182198d8bSMaor Dickman } 328209bf9792SRoi Dayan 32836ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 32846ae4a6a5SPaul Blakey int namespace, 3285e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 328627c11b6bSEli Britstein u32 *action_flags, 3287e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3288d79b6df6SOr Gerlitz { 3289d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 329009bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 329188f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 329288f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 32936ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 329482198d8bSMaor Dickman unsigned long mask, field_mask; 32952c0e5cf5SPaul Blakey int i, first, last, next_z; 32962c0e5cf5SPaul Blakey struct mlx5_fields *f; 329788f30bbcSDmytro Linkin u8 cmd; 329888f30bbcSDmytro Linkin 32996ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 33008ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 33018ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3302d79b6df6SOr Gerlitz 330373867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 330473867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 330573867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 330673867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3307d79b6df6SOr Gerlitz 3308d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 330927c11b6bSEli Britstein bool skip; 331027c11b6bSEli Britstein 3311d79b6df6SOr Gerlitz f = &fields[i]; 3312d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3313e3ca4e05SOr Gerlitz s_mask = 0; 3314e3ca4e05SOr Gerlitz a_mask = 0; 3315d79b6df6SOr Gerlitz 3316d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3317d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3318d79b6df6SOr Gerlitz 331988f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 332088f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3321d79b6df6SOr Gerlitz 3322d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3323d79b6df6SOr Gerlitz continue; 3324d79b6df6SOr Gerlitz 3325d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3326e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3327e98bedf5SEli Britstein "can't set and add to the same HW field"); 332861b6a6c3SCai Huoqing netdev_warn(priv->netdev, 332961b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 333061b6a6c3SCai Huoqing f->field); 3331d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3332d79b6df6SOr Gerlitz } 3333d79b6df6SOr Gerlitz 333427c11b6bSEli Britstein skip = false; 3335d79b6df6SOr Gerlitz if (s_mask) { 333627c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 333727c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 333827c11b6bSEli Britstein 3339d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3340d79b6df6SOr Gerlitz mask = s_mask; 3341d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 334227c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 334327c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 334488f30bbcSDmytro Linkin match_mask, f->field_bsize)) 334527c11b6bSEli Britstein skip = true; 3346d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 334788f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3348d79b6df6SOr Gerlitz } else { 3349d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3350d79b6df6SOr Gerlitz mask = a_mask; 3351d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 335227c11b6bSEli Britstein /* add 0 is no change */ 335388f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 335427c11b6bSEli Britstein skip = true; 3355d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 335688f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3357d79b6df6SOr Gerlitz } 335827c11b6bSEli Britstein if (skip) 335927c11b6bSEli Britstein continue; 3360d79b6df6SOr Gerlitz 336182198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 33622b64bebaSOr Gerlitz 336388f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 336488f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 336588f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 33662b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3367e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3368e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 336961b6a6c3SCai Huoqing netdev_warn(priv->netdev, 337061b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3371d79b6df6SOr Gerlitz mask); 3372d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3373d79b6df6SOr Gerlitz } 3374d79b6df6SOr Gerlitz 33752c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 33762c0e5cf5SPaul Blakey if (IS_ERR(action)) { 33776ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33786ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 33796ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 33806ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 33816ae4a6a5SPaul Blakey mod_acts->num_actions); 33822c0e5cf5SPaul Blakey return PTR_ERR(action); 33836ae4a6a5SPaul Blakey } 33846ae4a6a5SPaul Blakey 3385d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3386d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3387d79b6df6SOr Gerlitz 3388d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 338988f30bbcSDmytro Linkin int start; 339088f30bbcSDmytro Linkin 339182198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 339282198d8bSMaor Dickman 339388f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 339482198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 339588f30bbcSDmytro Linkin 339688f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3397d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 33982b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3399d79b6df6SOr Gerlitz } 3400d79b6df6SOr Gerlitz 340188f30bbcSDmytro Linkin if (f->field_bsize == 32) 34022b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 340388f30bbcSDmytro Linkin else if (f->field_bsize == 16) 34042b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 340588f30bbcSDmytro Linkin else if (f->field_bsize == 8) 34062b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3407d79b6df6SOr Gerlitz 34086ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3409d79b6df6SOr Gerlitz } 3410d79b6df6SOr Gerlitz 3411d79b6df6SOr Gerlitz return 0; 3412d79b6df6SOr Gerlitz } 3413d79b6df6SOr Gerlitz 3414d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3415d79b6df6SOr Gerlitz 3416918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3417c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3418c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3419c500c86bSPablo Neira Ayuso { 3420c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3421c500c86bSPablo Neira Ayuso u8 cmd; 3422c500c86bSPablo Neira Ayuso 3423d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 342409bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3425d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 342609bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3427b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3428d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3429d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3430918ed7bfSRoi Dayan return -EOPNOTSUPP; 3431918ed7bfSRoi Dayan } 3432918ed7bfSRoi Dayan } 3433918ed7bfSRoi Dayan 3434918ed7bfSRoi Dayan return 0; 3435918ed7bfSRoi Dayan } 3436918ed7bfSRoi Dayan 3437918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3438918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3439918ed7bfSRoi Dayan u32 *action_flags, 3440918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3441918ed7bfSRoi Dayan { 3442918ed7bfSRoi Dayan int err; 3443918ed7bfSRoi Dayan 3444918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3445918ed7bfSRoi Dayan if (err) 3446d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3447918ed7bfSRoi Dayan 3448918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3449918ed7bfSRoi Dayan if (err) 3450918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3451d79b6df6SOr Gerlitz 3452d79b6df6SOr Gerlitz return 0; 3453d79b6df6SOr Gerlitz 3454d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 34552c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3456d79b6df6SOr Gerlitz return err; 3457d79b6df6SOr Gerlitz } 3458d79b6df6SOr Gerlitz 34598998576bSDmytro Linkin struct ip_ttl_word { 34608998576bSDmytro Linkin __u8 ttl; 34618998576bSDmytro Linkin __u8 protocol; 34628998576bSDmytro Linkin __sum16 check; 34638998576bSDmytro Linkin }; 34648998576bSDmytro Linkin 34658998576bSDmytro Linkin struct ipv6_hoplimit_word { 34668998576bSDmytro Linkin __be16 payload_len; 34678998576bSDmytro Linkin __u8 nexthdr; 34688998576bSDmytro Linkin __u8 hop_limit; 34698998576bSDmytro Linkin }; 34708998576bSDmytro Linkin 34711836d780SRoi Dayan static bool 34721836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 34731836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 34744c3844d9SPaul Blakey struct netlink_ext_ack *extack) 34758998576bSDmytro Linkin { 34768998576bSDmytro Linkin u32 mask, offset; 34778998576bSDmytro Linkin u8 htype; 34788998576bSDmytro Linkin 34798998576bSDmytro Linkin htype = act->mangle.htype; 34808998576bSDmytro Linkin offset = act->mangle.offset; 34818998576bSDmytro Linkin mask = ~act->mangle.mask; 34828998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 34838998576bSDmytro Linkin * to determine that modified fields 34848998576bSDmytro Linkin * are NOT ttl & hop_limit only. 34858998576bSDmytro Linkin */ 34868998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 34878998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 34888998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 34898998576bSDmytro Linkin 34908998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 34918998576bSDmytro Linkin ttl_word->protocol || 34928998576bSDmytro Linkin ttl_word->check) { 34934c3844d9SPaul Blakey *modify_ip_header = true; 34944c3844d9SPaul Blakey } 34954c3844d9SPaul Blakey 34967e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 34977e36feebSPaul Blakey *modify_tuple = true; 34987e36feebSPaul Blakey 34997e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35004c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35014c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 35021836d780SRoi Dayan return false; 35038998576bSDmytro Linkin } 35048998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 35058998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 35068998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 35078998576bSDmytro Linkin 35088998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 35098998576bSDmytro Linkin hoplimit_word->payload_len || 35108998576bSDmytro Linkin hoplimit_word->nexthdr) { 35114c3844d9SPaul Blakey *modify_ip_header = true; 35128998576bSDmytro Linkin } 35134c3844d9SPaul Blakey 35147e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 35157e36feebSPaul Blakey *modify_tuple = true; 35167e36feebSPaul Blakey 35177e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35184c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35194c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 35201836d780SRoi Dayan return false; 35218998576bSDmytro Linkin } 35227e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 35237e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 35247e36feebSPaul Blakey *modify_tuple = true; 35257e36feebSPaul Blakey if (ct_flow) { 35264c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35274c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 35281836d780SRoi Dayan return false; 35294c3844d9SPaul Blakey } 35307e36feebSPaul Blakey } 35314c3844d9SPaul Blakey 35321836d780SRoi Dayan return true; 35338998576bSDmytro Linkin } 35348998576bSDmytro Linkin 353596b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 353696b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 353796b5b458SDima Chumak struct mlx5e_priv *priv, 353896b5b458SDima Chumak struct mlx5_flow_spec *spec) 353996b5b458SDima Chumak { 354096b5b458SDima Chumak if (!modify_tuple || ct_clear) 354196b5b458SDima Chumak return true; 354296b5b458SDima Chumak 354396b5b458SDima Chumak if (ct_flow) { 354496b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 354596b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 354696b5b458SDima Chumak netdev_info(priv->netdev, 354796b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 354896b5b458SDima Chumak return false; 354996b5b458SDima Chumak } 355096b5b458SDima Chumak 355196b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 355296b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 355396b5b458SDima Chumak * we can't restore ct state 355496b5b458SDima Chumak */ 355596b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 355696b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 355796b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 355896b5b458SDima Chumak netdev_info(priv->netdev, 355996b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 356096b5b458SDima Chumak return false; 356196b5b458SDima Chumak } 356296b5b458SDima Chumak 356396b5b458SDima Chumak return true; 356496b5b458SDima Chumak } 356596b5b458SDima Chumak 35663d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 35673d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 356873867881SPablo Neira Ayuso struct flow_action *flow_action, 35694c3844d9SPaul Blakey u32 actions, bool ct_flow, 35707e36feebSPaul Blakey bool ct_clear, 3571e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3572bdd66ac0SOr Gerlitz { 357373867881SPablo Neira Ayuso const struct flow_action_entry *act; 35747e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3575fca53304SEli Britstein void *headers_c; 3576bdd66ac0SOr Gerlitz void *headers_v; 3577bdd66ac0SOr Gerlitz u16 ethertype; 35788998576bSDmytro Linkin u8 ip_proto; 35791836d780SRoi Dayan int i; 3580bdd66ac0SOr Gerlitz 35818ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 35828ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3583bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3584bdd66ac0SOr Gerlitz 3585bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3586fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3587fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3588bdd66ac0SOr Gerlitz goto out_ok; 3589bdd66ac0SOr Gerlitz 3590bdd66ac0SOr Gerlitz modify_ip_header = false; 35917e36feebSPaul Blakey modify_tuple = false; 359273867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 359373867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 359473867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3595bdd66ac0SOr Gerlitz continue; 3596bdd66ac0SOr Gerlitz 35971836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 35987e36feebSPaul Blakey &modify_ip_header, 35991836d780SRoi Dayan &modify_tuple, extack)) 36001836d780SRoi Dayan return false; 3601bdd66ac0SOr Gerlitz } 3602bdd66ac0SOr Gerlitz 360396b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 360496b5b458SDima Chumak priv, spec)) 36057e36feebSPaul Blakey return false; 36067e36feebSPaul Blakey 3607bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 36081ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 36091ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3610e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3611e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 36123d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 36133d486ec4SOz Shlomo ip_proto); 3614bdd66ac0SOr Gerlitz return false; 3615bdd66ac0SOr Gerlitz } 3616bdd66ac0SOr Gerlitz 3617bdd66ac0SOr Gerlitz out_ok: 3618bdd66ac0SOr Gerlitz return true; 3619bdd66ac0SOr Gerlitz } 3620bdd66ac0SOr Gerlitz 36219c1d3511SRoi Dayan static bool 36229c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 36239c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 36249c1d3511SRoi Dayan struct netlink_ext_ack *extack) 36259c1d3511SRoi Dayan { 3626d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 36279c1d3511SRoi Dayan bool ct_flow, ct_clear; 36289c1d3511SRoi Dayan 36299c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 36309c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 36319c1d3511SRoi Dayan 3632d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3633d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 36349c1d3511SRoi Dayan /* All registers used by ct are cleared when using 36359c1d3511SRoi Dayan * split rules. 36369c1d3511SRoi Dayan */ 36379c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 36389c1d3511SRoi Dayan return false; 36399c1d3511SRoi Dayan } 36409c1d3511SRoi Dayan 3641d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3642d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3643d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3644d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3645d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3646d4f401d9SRoi Dayan return false; 3647d4f401d9SRoi Dayan } 3648d4f401d9SRoi Dayan 36499c1d3511SRoi Dayan return true; 36509c1d3511SRoi Dayan } 36519c1d3511SRoi Dayan 36529c1d3511SRoi Dayan static bool 36539c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 365473867881SPablo Neira Ayuso struct flow_action *flow_action, 36550610f8dcSRoi Dayan u32 actions, 3656bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3657e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3658e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3659bdd66ac0SOr Gerlitz { 36609c1d3511SRoi Dayan bool ct_flow, ct_clear; 3661bdd66ac0SOr Gerlitz 36629c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3663a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3664c620b772SAriel Levkovich 36659c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 36669c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 36679c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 366849397b80SDan Carpenter return false; 3669bdd66ac0SOr Gerlitz 36709c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 3671b97653d8SRoi Dayan !actions_match_supported_fdb(priv, flow, extack)) 36729c1d3511SRoi Dayan return false; 3673bdd66ac0SOr Gerlitz 3674bdd66ac0SOr Gerlitz return true; 3675bdd66ac0SOr Gerlitz } 3676bdd66ac0SOr Gerlitz 367732134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 367832134847SMaor Dickman { 367932134847SMaor Dickman return priv->mdev == peer_priv->mdev; 368032134847SMaor Dickman } 368132134847SMaor Dickman 3682ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 36835c65c564SOr Gerlitz { 36845c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3685816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 36865c65c564SOr Gerlitz 36875c65c564SOr Gerlitz fmdev = priv->mdev; 36885c65c564SOr Gerlitz pmdev = peer_priv->mdev; 36895c65c564SOr Gerlitz 369059c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 369159c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 36925c65c564SOr Gerlitz 3693816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 36945c65c564SOr Gerlitz } 36955c65c564SOr Gerlitz 36960bac1194SEli Britstein static int 3697d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3698d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3699d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3700d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3701d9581e2fSRoi Dayan { 3702d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 370309bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3704d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3705d9581e2fSRoi Dayan int err; 3706d9581e2fSRoi Dayan 3707d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3708d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3709d9581e2fSRoi Dayan return 0; 3710d9581e2fSRoi Dayan 3711e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3712d9581e2fSRoi Dayan 371309bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3714d9581e2fSRoi Dayan if (err) 3715d9581e2fSRoi Dayan return err; 3716d9581e2fSRoi Dayan 3717d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3718d9581e2fSRoi Dayan return 0; 3719d9581e2fSRoi Dayan 3720fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3721d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 37222c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3723d9581e2fSRoi Dayan 3724d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3725d9581e2fSRoi Dayan return 0; 3726d9581e2fSRoi Dayan 3727d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3728d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3729d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3730d9581e2fSRoi Dayan 3731d9581e2fSRoi Dayan return 0; 3732d9581e2fSRoi Dayan } 3733d9581e2fSRoi Dayan 37348300f225SRoi Dayan static struct mlx5_flow_attr* 37358300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 37368300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 37378300f225SRoi Dayan { 37388300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 37398300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 37408300f225SRoi Dayan struct mlx5_flow_attr *attr2; 37418300f225SRoi Dayan 37428300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 37438300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 37448300f225SRoi Dayan if (!attr2 || !parse_attr) { 37458300f225SRoi Dayan kvfree(parse_attr); 37468300f225SRoi Dayan kfree(attr2); 3747371c2b34SDan Carpenter return NULL; 37488300f225SRoi Dayan } 37498300f225SRoi Dayan 37508300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 37518300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 37528300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 37538300f225SRoi Dayan attr2->action = 0; 3754e9d1061dSOz Shlomo attr2->counter = NULL; 3755cca7eac1SOz Shlomo attr->tc_act_cookies_count = 0; 37568300f225SRoi Dayan attr2->flags = 0; 37578300f225SRoi Dayan attr2->parse_attr = parse_attr; 375894d65173SRoi Dayan attr2->dest_chain = 0; 375994d65173SRoi Dayan attr2->dest_ft = NULL; 376067027828SPaul Blakey attr2->act_id_restore_rule = NULL; 37617f1a6d4bSRoi Dayan 37627f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 37637f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 37647f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 37657f1a6d4bSRoi Dayan } 37667f1a6d4bSRoi Dayan 3767f86488cbSOz Shlomo attr2->branch_true = NULL; 3768f86488cbSOz Shlomo attr2->branch_false = NULL; 3769c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 37708300f225SRoi Dayan return attr2; 37718300f225SRoi Dayan } 37728300f225SRoi Dayan 37738300f225SRoi Dayan struct mlx5_flow_attr * 37748300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 37758300f225SRoi Dayan { 37768300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 37778300f225SRoi Dayan struct mlx5_flow_attr *attr; 37788300f225SRoi Dayan int i; 37798300f225SRoi Dayan 37808300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37818300f225SRoi Dayan esw_attr = attr->esw_attr; 37828300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 37838300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 37848300f225SRoi Dayan return attr; 37858300f225SRoi Dayan } 37868300f225SRoi Dayan } 37878300f225SRoi Dayan 37888300f225SRoi Dayan return NULL; 37898300f225SRoi Dayan } 37908300f225SRoi Dayan 37918300f225SRoi Dayan void 37928300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 37938300f225SRoi Dayan { 37948300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37958300f225SRoi Dayan struct mlx5_flow_attr *attr; 37968300f225SRoi Dayan 37978300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37988300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37998300f225SRoi Dayan break; 38008300f225SRoi Dayan 38018300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 38028300f225SRoi Dayan } 38038300f225SRoi Dayan } 38048300f225SRoi Dayan 38058300f225SRoi Dayan static void 38068300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 38078300f225SRoi Dayan { 38088300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 38098300f225SRoi Dayan 38108300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 38118300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38128300f225SRoi Dayan break; 38138300f225SRoi Dayan 3814f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 3815f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3816f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 38178300f225SRoi Dayan 38188300f225SRoi Dayan list_del(&attr->list); 38198300f225SRoi Dayan kvfree(attr->parse_attr); 38208300f225SRoi Dayan kfree(attr); 38218300f225SRoi Dayan } 38228300f225SRoi Dayan } 38238300f225SRoi Dayan 38248300f225SRoi Dayan int 38258300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 38268300f225SRoi Dayan { 38278300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38288300f225SRoi Dayan struct mlx5_flow_attr *attr; 38298300f225SRoi Dayan int err = 0; 38308300f225SRoi Dayan 38318300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38328300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38338300f225SRoi Dayan break; 38348300f225SRoi Dayan 38358300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 38368300f225SRoi Dayan if (err) 38378300f225SRoi Dayan break; 38388300f225SRoi Dayan } 38398300f225SRoi Dayan 38408300f225SRoi Dayan return err; 38418300f225SRoi Dayan } 38428300f225SRoi Dayan 38438300f225SRoi Dayan /* TC filter rule HW translation: 38448300f225SRoi Dayan * 38458300f225SRoi Dayan * +---------------------+ 38468300f225SRoi Dayan * + ft prio (tc chain) + 38478300f225SRoi Dayan * + original match + 38488300f225SRoi Dayan * +---------------------+ 38498300f225SRoi Dayan * | 38508300f225SRoi Dayan * | if multi table action 38518300f225SRoi Dayan * | 38528300f225SRoi Dayan * v 38538300f225SRoi Dayan * +---------------------+ 38548300f225SRoi Dayan * + post act ft |<----. 38558300f225SRoi Dayan * + match fte id | | split on multi table action 38568300f225SRoi Dayan * + do actions |-----' 38578300f225SRoi Dayan * +---------------------+ 38588300f225SRoi Dayan * | 38598300f225SRoi Dayan * | 38608300f225SRoi Dayan * v 38618300f225SRoi Dayan * Do rest of the actions after last multi table action. 38628300f225SRoi Dayan */ 38638300f225SRoi Dayan static int 38648300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 38658300f225SRoi Dayan { 38668300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38678300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 38688300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 38698300f225SRoi Dayan int err; 38708300f225SRoi Dayan 38718300f225SRoi Dayan /* This is going in reverse order as needed. 38728300f225SRoi Dayan * The first entry is the last attribute. 38738300f225SRoi Dayan */ 38748300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38758300f225SRoi Dayan if (!next_attr) { 38768300f225SRoi Dayan /* Set counter action on last post act rule. */ 38778300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3878c84fa1abSOz Shlomo } 3879c84fa1abSOz Shlomo 3880c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 38818300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 38828300f225SRoi Dayan if (err) 38838300f225SRoi Dayan goto out_free; 38848300f225SRoi Dayan } 38858300f225SRoi Dayan 38868300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 38878300f225SRoi Dayan * It's being handled by the caller. 38888300f225SRoi Dayan */ 38898300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38908300f225SRoi Dayan break; 38918300f225SRoi Dayan 38928300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 38938300f225SRoi Dayan if (err) 38948300f225SRoi Dayan goto out_free; 38958300f225SRoi Dayan 3896ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 38978300f225SRoi Dayan if (err) 38988300f225SRoi Dayan goto out_free; 38998300f225SRoi Dayan 39008300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 39018300f225SRoi Dayan if (IS_ERR(handle)) { 39028300f225SRoi Dayan err = PTR_ERR(handle); 39038300f225SRoi Dayan goto out_free; 39048300f225SRoi Dayan } 39058300f225SRoi Dayan 39068300f225SRoi Dayan attr->post_act_handle = handle; 3907c84fa1abSOz Shlomo 3908c84fa1abSOz Shlomo if (attr->jumping_attr) { 3909c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3910c84fa1abSOz Shlomo if (err) 3911c84fa1abSOz Shlomo goto out_free; 3912c84fa1abSOz Shlomo } 3913c84fa1abSOz Shlomo 39148300f225SRoi Dayan next_attr = attr; 39158300f225SRoi Dayan } 39168300f225SRoi Dayan 39178300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 39188300f225SRoi Dayan goto out; 39198300f225SRoi Dayan 39208300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 39218300f225SRoi Dayan if (err) 39228300f225SRoi Dayan goto out_free; 39238300f225SRoi Dayan 39248300f225SRoi Dayan out: 39258300f225SRoi Dayan return 0; 39268300f225SRoi Dayan 39278300f225SRoi Dayan out_free: 39288300f225SRoi Dayan free_flow_post_acts(flow); 39298300f225SRoi Dayan return err; 39308300f225SRoi Dayan } 39318300f225SRoi Dayan 39328300f225SRoi Dayan static int 3933f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 3934f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 3935f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 3936f86488cbSOz Shlomo u32 *jump_count, 3937f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3938f86488cbSOz Shlomo { 3939f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 3940f86488cbSOz Shlomo int err = 0; 3941f86488cbSOz Shlomo 3942f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 3943f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 3944f86488cbSOz Shlomo if (!(*cond_attr)) 3945f86488cbSOz Shlomo return -ENOMEM; 3946f86488cbSOz Shlomo 3947f86488cbSOz Shlomo attr = *cond_attr; 3948f86488cbSOz Shlomo 3949f86488cbSOz Shlomo switch (cond->act_id) { 3950f86488cbSOz Shlomo case FLOW_ACTION_DROP: 3951f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3952f86488cbSOz Shlomo break; 3953f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 3954f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 3955f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3956f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3957f86488cbSOz Shlomo break; 3958f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 3959f86488cbSOz Shlomo if (*jump_count) { 3960f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 3961f86488cbSOz Shlomo err = -EOPNOTSUPP; 3962f86488cbSOz Shlomo goto out_err; 3963f86488cbSOz Shlomo } 3964f86488cbSOz Shlomo *jump_count = cond->extval; 3965f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3966f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3967f86488cbSOz Shlomo break; 3968f86488cbSOz Shlomo default: 3969f86488cbSOz Shlomo err = -EOPNOTSUPP; 3970f86488cbSOz Shlomo goto out_err; 3971f86488cbSOz Shlomo } 3972f86488cbSOz Shlomo 3973f86488cbSOz Shlomo return err; 3974f86488cbSOz Shlomo out_err: 3975f86488cbSOz Shlomo kfree(*cond_attr); 3976f86488cbSOz Shlomo *cond_attr = NULL; 3977f86488cbSOz Shlomo return err; 3978f86488cbSOz Shlomo } 3979f86488cbSOz Shlomo 3980c84fa1abSOz Shlomo static void 3981c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3982c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 3983c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 3984c84fa1abSOz Shlomo { 3985c84fa1abSOz Shlomo if (!jump_state->jump_count) 3986c84fa1abSOz Shlomo return; 3987c84fa1abSOz Shlomo 3988c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 3989c84fa1abSOz Shlomo * Jump only over a tc action 3990c84fa1abSOz Shlomo */ 3991c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 3992c84fa1abSOz Shlomo return; 3993c84fa1abSOz Shlomo 3994c84fa1abSOz Shlomo jump_state->last_id = act->id; 3995c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 3996c84fa1abSOz Shlomo 3997c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 3998c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 3999c84fa1abSOz Shlomo return; 4000c84fa1abSOz Shlomo 4001c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 4002c84fa1abSOz Shlomo 4003c84fa1abSOz Shlomo /* create a new attribute after this action */ 4004c84fa1abSOz Shlomo jump_state->jump_target = true; 4005c84fa1abSOz Shlomo 4006c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 4007c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 4008c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 4009c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 4010c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 4011c84fa1abSOz Shlomo 4012c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4013c84fa1abSOz Shlomo post_act = get_post_action(priv); 4014c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 4015c84fa1abSOz Shlomo } 4016c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 4017c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 4018c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 4019c84fa1abSOz Shlomo */ 4020c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 4021c84fa1abSOz Shlomo } 4022c84fa1abSOz Shlomo } 4023c84fa1abSOz Shlomo 4024f86488cbSOz Shlomo static int 4025f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 4026f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 4027c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 4028f86488cbSOz Shlomo struct netlink_ext_ack *extack) 4029f86488cbSOz Shlomo { 4030f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 4031c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 4032f86488cbSOz Shlomo int err; 4033f86488cbSOz Shlomo 4034f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 4035f86488cbSOz Shlomo return 0; 4036f86488cbSOz Shlomo 4037f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 4038f86488cbSOz Shlomo 4039f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 4040f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 4041f86488cbSOz Shlomo if (err) 4042f86488cbSOz Shlomo goto out_err; 4043f86488cbSOz Shlomo 4044c84fa1abSOz Shlomo if (jump_count) 4045c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 4046c84fa1abSOz Shlomo 4047f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 4048f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 4049f86488cbSOz Shlomo if (err) 4050f86488cbSOz Shlomo goto err_branch_false; 4051f86488cbSOz Shlomo 4052c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 4053c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 4054c84fa1abSOz Shlomo 4055c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 4056e9d1061dSOz Shlomo 4057e9d1061dSOz Shlomo /* branching action requires its own counter */ 4058e9d1061dSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 40592b68d659SOz Shlomo flow_flag_set(flow, USE_ACT_STATS); 4060e9d1061dSOz Shlomo 4061f86488cbSOz Shlomo return 0; 4062f86488cbSOz Shlomo 4063f86488cbSOz Shlomo err_branch_false: 4064f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 4065f86488cbSOz Shlomo out_err: 4066f86488cbSOz Shlomo return err; 4067f86488cbSOz Shlomo } 4068f86488cbSOz Shlomo 4069f86488cbSOz Shlomo static int 40708300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 40718300f225SRoi Dayan struct flow_action *flow_action) 40728300f225SRoi Dayan { 40738300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 40748300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 40758300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 4076c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 40778300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 40788300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 40798300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 40808300f225SRoi Dayan struct flow_action_entry *act, **_act; 40818300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 40828300f225SRoi Dayan int err, i; 40838300f225SRoi Dayan 40848300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 40858300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 40868300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 40878300f225SRoi Dayan if (!flow_action_reorder.entries) 40888300f225SRoi Dayan return -ENOMEM; 40898300f225SRoi Dayan 40908300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 40918300f225SRoi Dayan 40928300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 40938300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 40948300f225SRoi Dayan 40958300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 4096c84fa1abSOz Shlomo jump_state.jump_target = false; 40978300f225SRoi Dayan act = *_act; 40988300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 40998300f225SRoi Dayan if (!tc_act) { 41008300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 41018300f225SRoi Dayan err = -EOPNOTSUPP; 41028300f225SRoi Dayan goto out_free; 41038300f225SRoi Dayan } 41048300f225SRoi Dayan 41058300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 41068300f225SRoi Dayan err = -EOPNOTSUPP; 41078300f225SRoi Dayan goto out_free; 41088300f225SRoi Dayan } 41098300f225SRoi Dayan 41108300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 41118300f225SRoi Dayan if (err) 41128300f225SRoi Dayan goto out_free; 41138300f225SRoi Dayan 4114c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 4115c84fa1abSOz Shlomo 4116c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 4117f86488cbSOz Shlomo if (err) 4118f86488cbSOz Shlomo goto out_free; 4119f86488cbSOz Shlomo 41208300f225SRoi Dayan parse_state->actions |= attr->action; 4121cca7eac1SOz Shlomo if (!tc_act->stats_action) 4122db4b4902SPaul Blakey attr->tc_act_cookies[attr->tc_act_cookies_count++] = act->cookie; 41238300f225SRoi Dayan 41248300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 4125c84fa1abSOz Shlomo if (jump_state.jump_target || 4126c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 41278300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 4128c84fa1abSOz Shlomo i < flow_action_reorder.num_entries - 1)) { 41298300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 41308300f225SRoi Dayan if (err) 41318300f225SRoi Dayan goto out_free; 41328300f225SRoi Dayan 41338300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 41348300f225SRoi Dayan if (!attr) { 41358300f225SRoi Dayan err = -ENOMEM; 41368300f225SRoi Dayan goto out_free; 41378300f225SRoi Dayan } 41388300f225SRoi Dayan 41398300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 41408300f225SRoi Dayan } 41418300f225SRoi Dayan } 41428300f225SRoi Dayan 41438300f225SRoi Dayan kfree(flow_action_reorder.entries); 41448300f225SRoi Dayan 41458300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 41468300f225SRoi Dayan if (err) 41478300f225SRoi Dayan goto out_free_post_acts; 41488300f225SRoi Dayan 41498300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 41508300f225SRoi Dayan if (err) 41518300f225SRoi Dayan goto out_free_post_acts; 41528300f225SRoi Dayan 41538300f225SRoi Dayan return 0; 41548300f225SRoi Dayan 41558300f225SRoi Dayan out_free: 41568300f225SRoi Dayan kfree(flow_action_reorder.entries); 41578300f225SRoi Dayan out_free_post_acts: 41588300f225SRoi Dayan free_flow_post_acts(flow); 41598300f225SRoi Dayan 41608300f225SRoi Dayan return err; 41618300f225SRoi Dayan } 41628300f225SRoi Dayan 4163d9581e2fSRoi Dayan static int 4164df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 4165df990477SRoi Dayan struct netlink_ext_ack *extack) 4166df990477SRoi Dayan { 4167df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 4168df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 4169df990477SRoi Dayan return -EINVAL; 4170df990477SRoi Dayan } 4171df990477SRoi Dayan 4172df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 4173df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 4174df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4175df990477SRoi Dayan return -EOPNOTSUPP; 4176df990477SRoi Dayan } 4177df990477SRoi Dayan 4178df990477SRoi Dayan return 0; 4179df990477SRoi Dayan } 4180df990477SRoi Dayan 4181df990477SRoi Dayan static int 4182d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 418373867881SPablo Neira Ayuso struct flow_action *flow_action, 4184e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 4185e98bedf5SEli Britstein struct netlink_ext_ack *extack) 4186e3a2b7edSAmir Vadai { 4187fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4188c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4189c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 41908333d53eSRoi Dayan int err; 4191e3a2b7edSAmir Vadai 4192df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4193df990477SRoi Dayan if (err) 4194df990477SRoi Dayan return err; 4195319a1d19SJiri Pirko 4196fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 4197c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 4198fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4199fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4200758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4201e3a2b7edSAmir Vadai 42028333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4203fad54790SRoi Dayan if (err) 4204fad54790SRoi Dayan return err; 4205e3a2b7edSAmir Vadai 420609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4207d9581e2fSRoi Dayan if (err) 4208d9581e2fSRoi Dayan return err; 4209d9581e2fSRoi Dayan 421064426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 421164426382SOz Shlomo if (err) 421264426382SOz Shlomo return err; 421364426382SOz Shlomo 42140610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 42150610f8dcSRoi Dayan parse_attr, flow, extack)) 4216bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4217bdd66ac0SOr Gerlitz 4218e3a2b7edSAmir Vadai return 0; 4219e3a2b7edSAmir Vadai } 4220e3a2b7edSAmir Vadai 422132134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4222b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4223b1d90e6bSRabie Loulou { 4224b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4225b1d90e6bSRabie Loulou 4226b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4227b1d90e6bSRabie Loulou 4228b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 422932134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 423032134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4231ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4232d34eb2fcSOr Gerlitz } 4233d34eb2fcSOr Gerlitz 423432134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 423532134847SMaor Dickman struct net_device *peer_netdev) 423632134847SMaor Dickman { 423732134847SMaor Dickman struct mlx5e_priv *peer_priv; 423832134847SMaor Dickman 423932134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 424032134847SMaor Dickman 424132134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 424232134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4243ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 424432134847SMaor Dickman } 424532134847SMaor Dickman 424632134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 424732134847SMaor Dickman struct net_device *peer_netdev) 424832134847SMaor Dickman { 424932134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 425032134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 425132134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 425232134847SMaor Dickman } 425332134847SMaor Dickman 425494db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 425594db3317SEli Cohen { 42568ce81fc0SRoi Dayan return same_hw_reps(priv, out_dev) && mlx5_lag_is_mpesw(priv->mdev); 425794db3317SEli Cohen } 425894db3317SEli Cohen 4259f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4260f6dc1264SPaul Blakey struct net_device *out_dev) 4261f6dc1264SPaul Blakey { 426232134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 426332134847SMaor Dickman return true; 426432134847SMaor Dickman 426594db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 426694db3317SEli Cohen return true; 426794db3317SEli Cohen 426832134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4269f6dc1264SPaul Blakey return true; 4270f6dc1264SPaul Blakey 4271f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 427232134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4273f6dc1264SPaul Blakey } 4274f6dc1264SPaul Blakey 427527484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 427627484f71SAriel Levkovich struct mlx5_flow_attr *attr, 427727484f71SAriel Levkovich int ifindex, 427827484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 427927484f71SAriel Levkovich u32 *action, 428027484f71SAriel Levkovich int out_index) 428127484f71SAriel Levkovich { 428227484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 428327484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 428427484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 428527484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 428627484f71SAriel Levkovich int err; 428727484f71SAriel Levkovich 428827484f71SAriel Levkovich parse_attr = attr->parse_attr; 428927484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 429027484f71SAriel Levkovich 429127484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 429227484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 429327484f71SAriel Levkovich return PTR_ERR(dest_int_port); 429427484f71SAriel Levkovich 429527484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 429627484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 429727484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 429827484f71SAriel Levkovich if (err) { 429927484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 430027484f71SAriel Levkovich return err; 430127484f71SAriel Levkovich } 430227484f71SAriel Levkovich 430327484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 430427484f71SAriel Levkovich 430527484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 430627484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 430728d3815aSMaor Dickman esw_attr->split_count = out_index; 430827484f71SAriel Levkovich 430927484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 431027484f71SAriel Levkovich attr->dest_chain = 0; 431127484f71SAriel Levkovich 431227484f71SAriel Levkovich return 0; 431327484f71SAriel Levkovich } 431427484f71SAriel Levkovich 43158333d53eSRoi Dayan static int 43168333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 431773867881SPablo Neira Ayuso struct flow_action *flow_action, 4318e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 431970f8019eSRoi Dayan struct netlink_ext_ack *extack) 4320a54e20b4SHadar Hen Zion { 4321fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4322c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4323c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4324c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4325f382a241SAriel Levkovich struct net_device *filter_dev; 43268333d53eSRoi Dayan int err; 432703a9d11eSOr Gerlitz 4328df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4329df990477SRoi Dayan if (err) 4330df990477SRoi Dayan return err; 4331319a1d19SJiri Pirko 4332c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4333c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4334f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4335fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4336fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4337758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4338c620b772SAriel Levkovich 43398333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4340fad54790SRoi Dayan if (err) 4341fad54790SRoi Dayan return err; 4342bdd66ac0SOr Gerlitz 4343166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4344f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4345166f431eSAriel Levkovich esw_attr->out_count > 1) { 434627484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4347166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 434827484f71SAriel Levkovich return -EOPNOTSUPP; 434927484f71SAriel Levkovich } 435027484f71SAriel Levkovich 4351f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4352f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4353f382a241SAriel Levkovich esw_attr->dest_int_port) { 4354f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4355f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4356f382a241SAriel Levkovich return -EOPNOTSUPP; 4357f382a241SAriel Levkovich } 4358f382a241SAriel Levkovich 435909bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4360c500c86bSPablo Neira Ayuso if (err) 4361c500c86bSPablo Neira Ayuso return err; 4362c500c86bSPablo Neira Ayuso 43630610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 43640610f8dcSRoi Dayan parse_attr, flow, extack)) 4365bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4366bdd66ac0SOr Gerlitz 436731c8eba5SOr Gerlitz return 0; 436803a9d11eSOr Gerlitz } 436903a9d11eSOr Gerlitz 4370226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 437160bd4af8SOr Gerlitz { 4372226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 437360bd4af8SOr Gerlitz 4374226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4375226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4376226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4377226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 437860bd4af8SOr Gerlitz 4379226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4380226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4381226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4382226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 438384179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 438484179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4385d9ee0491SOr Gerlitz 438660bd4af8SOr Gerlitz *flow_flags = __flow_flags; 438760bd4af8SOr Gerlitz } 438860bd4af8SOr Gerlitz 438905866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 439005866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 439105866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 439205866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 439305866c82SOr Gerlitz .automatic_shrinking = true, 439405866c82SOr Gerlitz }; 439505866c82SOr Gerlitz 4396226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4397226f2ca3SVlad Buslov unsigned long flags) 439805866c82SOr Gerlitz { 4399f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4400d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4401655dc3d2SOr Gerlitz 4402226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4403d1a3138fSPaul Blakey rpriv = priv->ppriv; 4404d1a3138fSPaul Blakey return &rpriv->tc_ht; 4405d9ee0491SOr Gerlitz } else /* NIC offload */ 4406f52f2faeSLama Kayal return &tc->ht; 440705866c82SOr Gerlitz } 440805866c82SOr Gerlitz 440904de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 441004de7ddaSRoi Dayan { 4411c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4412c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4413c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4414226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 44151418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 44161418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4417c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 44181418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 44191418ddd9SAviv Heller 442010fbb1cdSRoi Dayan if (!esw_paired) 442110fbb1cdSRoi Dayan return false; 442210fbb1cdSRoi Dayan 4423c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4424c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 442510fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 442610fbb1cdSRoi Dayan return true; 442710fbb1cdSRoi Dayan 44288ce81fc0SRoi Dayan if (mlx5_lag_is_mpesw(esw_attr->in_mdev)) 44298ce81fc0SRoi Dayan return true; 44308ce81fc0SRoi Dayan 443110fbb1cdSRoi Dayan return false; 443204de7ddaSRoi Dayan } 443304de7ddaSRoi Dayan 4434c620b772SAriel Levkovich struct mlx5_flow_attr * 4435c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4436c620b772SAriel Levkovich { 4437c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4438c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4439c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4440c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4441c620b772SAriel Levkovich 44428300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 44438300f225SRoi Dayan if (!attr) 44448300f225SRoi Dayan return attr; 44458300f225SRoi Dayan 44468300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 44478300f225SRoi Dayan return attr; 4448c620b772SAriel Levkovich } 4449c620b772SAriel Levkovich 4450f86488cbSOz Shlomo static void 4451f86488cbSOz Shlomo mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4452f86488cbSOz Shlomo { 4453f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4454f86488cbSOz Shlomo bool vf_tun; 4455f86488cbSOz Shlomo 4456f86488cbSOz Shlomo if (!attr) 4457f86488cbSOz Shlomo return; 4458f86488cbSOz Shlomo 4459f86488cbSOz Shlomo if (attr->post_act_handle) 4460f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4461f86488cbSOz Shlomo 4462f86488cbSOz Shlomo clean_encap_dests(flow->priv, flow, attr, &vf_tun); 4463f86488cbSOz Shlomo 4464f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4465f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4466f86488cbSOz Shlomo 4467f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4468f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4469ef78b8d5SRoi Dayan mlx5e_tc_detach_mod_hdr(flow->priv, flow, attr); 4470f86488cbSOz Shlomo } 4471f86488cbSOz Shlomo } 4472f86488cbSOz Shlomo 4473a88780a9SRoi Dayan static int 4474a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4475226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4476a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4477a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4478e3a2b7edSAmir Vadai { 447917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4480c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 44813bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4482ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4483ff7ea04aSGustavo A. R. Silva int out_index; 4484776b12b6SOr Gerlitz 4485c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 44861b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4487ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4488ff7ea04aSGustavo A. R. Silva goto err_free; 4489c620b772SAriel Levkovich 4490c620b772SAriel Levkovich flow->flags = flow_flags; 4491c620b772SAriel Levkovich flow->cookie = f->cookie; 4492c620b772SAriel Levkovich flow->priv = priv; 4493c620b772SAriel Levkovich 4494e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4495ff7ea04aSGustavo A. R. Silva if (!attr) 4496e3a2b7edSAmir Vadai goto err_free; 4497ff7ea04aSGustavo A. R. Silva 4498c620b772SAriel Levkovich flow->attr = attr; 4499e3a2b7edSAmir Vadai 45005a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 45015a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 45025a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 450314e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 45048300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 45055a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 450695435ad7SVlad Buslov init_completion(&flow->init_done); 4507362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4508e3a2b7edSAmir Vadai 4509a88780a9SRoi Dayan *__flow = flow; 4510a88780a9SRoi Dayan *__parse_attr = parse_attr; 4511a88780a9SRoi Dayan 4512a88780a9SRoi Dayan return 0; 4513a88780a9SRoi Dayan 4514a88780a9SRoi Dayan err_free: 4515a88780a9SRoi Dayan kfree(flow); 4516a88780a9SRoi Dayan kvfree(parse_attr); 4517a88780a9SRoi Dayan return err; 4518adb4c123SOr Gerlitz } 4519adb4c123SOr Gerlitz 4520988ab9c7STonghao Zhang static void 4521c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4522c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4523c7569097SAriel Levkovich struct flow_cls_offload *f) 4524c7569097SAriel Levkovich { 4525c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4526c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4527c7569097SAriel Levkovich attr->prio = f->common.prio; 4528c7569097SAriel Levkovich } 4529c7569097SAriel Levkovich 4530c7569097SAriel Levkovich static void 4531c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4532988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4533988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4534f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4535988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4536988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4537988ab9c7STonghao Zhang { 4538988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4539c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4540988ab9c7STonghao Zhang 4541c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4542988ab9c7STonghao Zhang 4543988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4544988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4545988ab9c7STonghao Zhang 4546988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4547988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4548988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4549988ab9c7STonghao Zhang else 4550988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4551988ab9c7STonghao Zhang } 4552988ab9c7STonghao Zhang 455371129676SJason Gunthorpe static struct mlx5e_tc_flow * 455404de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4555f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4556226f2ca3SVlad Buslov unsigned long flow_flags, 4557d11afc26SOz Shlomo struct net_device *filter_dev, 455804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 455971129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4560a88780a9SRoi Dayan { 4561f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4562a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4563a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4564a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4565a88780a9SRoi Dayan int attr_size, err; 4566a88780a9SRoi Dayan 4567226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4568a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4569a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4570a88780a9SRoi Dayan &parse_attr, &flow); 4571a88780a9SRoi Dayan if (err) 4572a88780a9SRoi Dayan goto out; 4573988ab9c7STonghao Zhang 4574d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4575c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4576988ab9c7STonghao Zhang priv, parse_attr, 4577988ab9c7STonghao Zhang f, in_rep, in_mdev); 4578988ab9c7STonghao Zhang 457954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 458054c177caSOz Shlomo f, filter_dev); 4581d11afc26SOz Shlomo if (err) 4582d11afc26SOz Shlomo goto err_free; 4583a88780a9SRoi Dayan 45847e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4585aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4586c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4587a88780a9SRoi Dayan if (err) 4588a88780a9SRoi Dayan goto err_free; 4589a88780a9SRoi Dayan 459070f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 45914c3844d9SPaul Blakey if (err) 45924c3844d9SPaul Blakey goto err_free; 45934c3844d9SPaul Blakey 45947040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 459595435ad7SVlad Buslov complete_all(&flow->init_done); 4596ef06c9eeSRoi Dayan if (err) { 4597ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4598a32327a3SRoi Dayan goto err_free; 45995c40348cSOr Gerlitz 4600b4a23329SRoi Dayan add_unready_flow(flow); 4601ef06c9eeSRoi Dayan } 4602ef06c9eeSRoi Dayan 460371129676SJason Gunthorpe return flow; 4604e3a2b7edSAmir Vadai 4605e3a2b7edSAmir Vadai err_free: 46065a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4607a88780a9SRoi Dayan out: 460871129676SJason Gunthorpe return ERR_PTR(err); 4609a88780a9SRoi Dayan } 4610a88780a9SRoi Dayan 4611f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 461295dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4613226f2ca3SVlad Buslov unsigned long flow_flags) 461404de7ddaSRoi Dayan { 461504de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 461604de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4617c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 461804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 461904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 462004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 462104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 462204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 462304de7ddaSRoi Dayan int err = 0; 462404de7ddaSRoi Dayan 462504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 462604de7ddaSRoi Dayan if (!peer_esw) 462704de7ddaSRoi Dayan return -ENODEV; 462804de7ddaSRoi Dayan 462904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 463004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 463104de7ddaSRoi Dayan 463204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 463304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 463404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 463504de7ddaSRoi Dayan * peer mdev. 46368ce81fc0SRoi Dayan * In multiport eswitch it's a special case that we need to 46378ce81fc0SRoi Dayan * keep the original mdev. 463804de7ddaSRoi Dayan */ 46398ce81fc0SRoi Dayan if (attr->in_rep->vport == MLX5_VPORT_UPLINK && !mlx5_lag_is_mpesw(priv->mdev)) 464004de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 464104de7ddaSRoi Dayan else 464204de7ddaSRoi Dayan in_mdev = priv->mdev; 464304de7ddaSRoi Dayan 4644c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 464595dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 464604de7ddaSRoi Dayan parse_attr->filter_dev, 4647c620b772SAriel Levkovich attr->in_rep, in_mdev); 464871129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 464971129676SJason Gunthorpe err = PTR_ERR(peer_flow); 465004de7ddaSRoi Dayan goto out; 465171129676SJason Gunthorpe } 465204de7ddaSRoi Dayan 465304de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4654226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 465504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 465604de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 465704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 465804de7ddaSRoi Dayan 465904de7ddaSRoi Dayan out: 466004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 466104de7ddaSRoi Dayan return err; 466204de7ddaSRoi Dayan } 466304de7ddaSRoi Dayan 466404de7ddaSRoi Dayan static int 466504de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4666f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4667226f2ca3SVlad Buslov unsigned long flow_flags, 466804de7ddaSRoi Dayan struct net_device *filter_dev, 466904de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 467004de7ddaSRoi Dayan { 467104de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 467204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 467304de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 467404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 467504de7ddaSRoi Dayan int err; 467604de7ddaSRoi Dayan 467771129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 467871129676SJason Gunthorpe in_mdev); 467971129676SJason Gunthorpe if (IS_ERR(flow)) 468071129676SJason Gunthorpe return PTR_ERR(flow); 468104de7ddaSRoi Dayan 468204de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 468395dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 468404de7ddaSRoi Dayan if (err) { 468504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 468604de7ddaSRoi Dayan goto out; 468704de7ddaSRoi Dayan } 468804de7ddaSRoi Dayan } 468904de7ddaSRoi Dayan 469004de7ddaSRoi Dayan *__flow = flow; 469104de7ddaSRoi Dayan 469204de7ddaSRoi Dayan return 0; 469304de7ddaSRoi Dayan 469404de7ddaSRoi Dayan out: 469504de7ddaSRoi Dayan return err; 469604de7ddaSRoi Dayan } 469704de7ddaSRoi Dayan 4698a88780a9SRoi Dayan static int 4699a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4700f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4701226f2ca3SVlad Buslov unsigned long flow_flags, 4702d11afc26SOz Shlomo struct net_device *filter_dev, 4703a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4704a88780a9SRoi Dayan { 4705f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4706a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4707a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4708a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4709a88780a9SRoi Dayan int attr_size, err; 4710a88780a9SRoi Dayan 4711c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4712bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4713bf07aa73SPaul Blakey return -EOPNOTSUPP; 4714c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4715c7569097SAriel Levkovich return -EOPNOTSUPP; 4716c7569097SAriel Levkovich } 4717bf07aa73SPaul Blakey 4718226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4719a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4720a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4721a88780a9SRoi Dayan &parse_attr, &flow); 4722a88780a9SRoi Dayan if (err) 4723a88780a9SRoi Dayan goto out; 4724a88780a9SRoi Dayan 4725d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4726c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4727c7569097SAriel Levkovich 472854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 472954c177caSOz Shlomo f, filter_dev); 4730d11afc26SOz Shlomo if (err) 4731d11afc26SOz Shlomo goto err_free; 4732d11afc26SOz Shlomo 4733aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4734aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4735aedd133dSAriel Levkovich if (err) 4736aedd133dSAriel Levkovich goto err_free; 4737aedd133dSAriel Levkovich 4738c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4739a88780a9SRoi Dayan if (err) 4740a88780a9SRoi Dayan goto err_free; 4741a88780a9SRoi Dayan 4742c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4743a88780a9SRoi Dayan if (err) 4744a88780a9SRoi Dayan goto err_free; 4745a88780a9SRoi Dayan 4746226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4747a88780a9SRoi Dayan *__flow = flow; 4748a88780a9SRoi Dayan 4749a88780a9SRoi Dayan return 0; 4750a88780a9SRoi Dayan 4751a88780a9SRoi Dayan err_free: 47528914add2SVlad Buslov flow_flag_set(flow, FAILED); 47532c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 47545a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4755a88780a9SRoi Dayan out: 4756a88780a9SRoi Dayan return err; 4757a88780a9SRoi Dayan } 4758a88780a9SRoi Dayan 4759a88780a9SRoi Dayan static int 4760a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4761f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4762226f2ca3SVlad Buslov unsigned long flags, 4763d11afc26SOz Shlomo struct net_device *filter_dev, 4764a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4765a88780a9SRoi Dayan { 4766a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4767226f2ca3SVlad Buslov unsigned long flow_flags; 4768a88780a9SRoi Dayan int err; 4769a88780a9SRoi Dayan 4770a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4771a88780a9SRoi Dayan 4772bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4773bf07aa73SPaul Blakey return -EOPNOTSUPP; 4774bf07aa73SPaul Blakey 4775f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4776d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4777d11afc26SOz Shlomo filter_dev, flow); 4778a88780a9SRoi Dayan else 4779d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4780d11afc26SOz Shlomo filter_dev, flow); 4781a88780a9SRoi Dayan 4782a88780a9SRoi Dayan return err; 4783a88780a9SRoi Dayan } 4784a88780a9SRoi Dayan 4785553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4786553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4787553f9328SVu Pham { 4788553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 47892fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 47902fb15e72SVlad Buslov * function is called from NIC mode. 4791553f9328SVu Pham */ 47922fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4793553f9328SVu Pham } 4794553f9328SVu Pham 479571d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4796226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4797a88780a9SRoi Dayan { 4798a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4799d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4800553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4801a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4802a88780a9SRoi Dayan int err = 0; 4803a88780a9SRoi Dayan 48047dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4805794131c4SJianbo Liu return -EBUSY; 48067dc84de9SRoi Dayan 48077dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 48087dc84de9SRoi Dayan 4809c5d326b2SVlad Buslov rcu_read_lock(); 4810c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4811a88780a9SRoi Dayan if (flow) { 4812553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4813553f9328SVu Pham * just return 0. 4814553f9328SVu Pham */ 4815553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4816c1aea9e1SVlad Buslov goto rcu_unlock; 4817553f9328SVu Pham 4818a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4819a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4820a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4821a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4822a88780a9SRoi Dayan f->cookie); 48230e1c1a2fSVlad Buslov err = -EEXIST; 4824c1aea9e1SVlad Buslov goto rcu_unlock; 4825a88780a9SRoi Dayan } 4826c1aea9e1SVlad Buslov rcu_unlock: 4827c1aea9e1SVlad Buslov rcu_read_unlock(); 4828c1aea9e1SVlad Buslov if (flow) 4829c1aea9e1SVlad Buslov goto out; 4830a88780a9SRoi Dayan 48317a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4832d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4833a88780a9SRoi Dayan if (err) 4834a88780a9SRoi Dayan goto out; 4835a88780a9SRoi Dayan 4836553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4837553f9328SVu Pham * set the flow's owner dev. 4838553f9328SVu Pham */ 4839553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4840553f9328SVu Pham flow->orig_dev = dev; 4841553f9328SVu Pham 4842c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4843a88780a9SRoi Dayan if (err) 4844a88780a9SRoi Dayan goto err_free; 4845a88780a9SRoi Dayan 48467dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4847a88780a9SRoi Dayan return 0; 4848a88780a9SRoi Dayan 4849a88780a9SRoi Dayan err_free: 48505a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4851a88780a9SRoi Dayan out: 48527dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 48537dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4854e3a2b7edSAmir Vadai return err; 4855e3a2b7edSAmir Vadai } 4856e3a2b7edSAmir Vadai 48578f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 48588f8ae895SOr Gerlitz { 4859226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4860226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 48618f8ae895SOr Gerlitz 4862226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4863226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 48648f8ae895SOr Gerlitz } 48658f8ae895SOr Gerlitz 486671d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4867226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4868e3a2b7edSAmir Vadai { 4869d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4870e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4871c5d326b2SVlad Buslov int err; 4872e3a2b7edSAmir Vadai 4873c5d326b2SVlad Buslov rcu_read_lock(); 4874ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4875c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4876c5d326b2SVlad Buslov err = -EINVAL; 4877c5d326b2SVlad Buslov goto errout; 4878c5d326b2SVlad Buslov } 4879e3a2b7edSAmir Vadai 4880c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4881c5d326b2SVlad Buslov * set. 4882c5d326b2SVlad Buslov */ 4883c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4884c5d326b2SVlad Buslov err = -EINVAL; 4885c5d326b2SVlad Buslov goto errout; 4886c5d326b2SVlad Buslov } 488705866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4888c5d326b2SVlad Buslov rcu_read_unlock(); 4889e3a2b7edSAmir Vadai 48907a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 48915a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4892e3a2b7edSAmir Vadai 48937dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4894e3a2b7edSAmir Vadai return 0; 4895c5d326b2SVlad Buslov 4896c5d326b2SVlad Buslov errout: 4897c5d326b2SVlad Buslov rcu_read_unlock(); 4898c5d326b2SVlad Buslov return err; 4899e3a2b7edSAmir Vadai } 4900e3a2b7edSAmir Vadai 49012b68d659SOz Shlomo int mlx5e_tc_fill_action_stats(struct mlx5e_priv *priv, 49022b68d659SOz Shlomo struct flow_offload_action *fl_act) 49032b68d659SOz Shlomo { 49042b68d659SOz Shlomo return mlx5e_tc_act_stats_fill_stats(get_act_stats_handle(priv), fl_act); 49052b68d659SOz Shlomo } 49062b68d659SOz Shlomo 490771d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4908226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4909aad7e08dSAmir Vadai { 491004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4911d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 491204de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4913aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4914aad7e08dSAmir Vadai struct mlx5_fc *counter; 4915316d5f72SRoi Dayan u64 lastuse = 0; 4916316d5f72SRoi Dayan u64 packets = 0; 4917316d5f72SRoi Dayan u64 bytes = 0; 49185a7e5bcbSVlad Buslov int err = 0; 4919aad7e08dSAmir Vadai 4920c5d326b2SVlad Buslov rcu_read_lock(); 4921c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 49225a7e5bcbSVlad Buslov tc_ht_params)); 4923c5d326b2SVlad Buslov rcu_read_unlock(); 49245a7e5bcbSVlad Buslov if (IS_ERR(flow)) 49255a7e5bcbSVlad Buslov return PTR_ERR(flow); 49265a7e5bcbSVlad Buslov 49275a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 49285a7e5bcbSVlad Buslov err = -EINVAL; 49295a7e5bcbSVlad Buslov goto errout; 49305a7e5bcbSVlad Buslov } 4931aad7e08dSAmir Vadai 49324c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 49332b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 49342b68d659SOz Shlomo f->use_act_stats = true; 49352b68d659SOz Shlomo } else { 4936b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4937aad7e08dSAmir Vadai if (!counter) 49385a7e5bcbSVlad Buslov goto errout; 4939aad7e08dSAmir Vadai 4940aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4941316d5f72SRoi Dayan } 49422b68d659SOz Shlomo } 4943aad7e08dSAmir Vadai 4944316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4945316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4946316d5f72SRoi Dayan */ 494704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 494804de7ddaSRoi Dayan if (!peer_esw) 494904de7ddaSRoi Dayan goto out; 495004de7ddaSRoi Dayan 4951226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4952226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 495304de7ddaSRoi Dayan u64 bytes2; 495404de7ddaSRoi Dayan u64 packets2; 495504de7ddaSRoi Dayan u64 lastuse2; 495604de7ddaSRoi Dayan 49572b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 49582b68d659SOz Shlomo f->use_act_stats = true; 49592b68d659SOz Shlomo } else { 496004de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4961316d5f72SRoi Dayan if (!counter) 4962316d5f72SRoi Dayan goto no_peer_counter; 496304de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 496404de7ddaSRoi Dayan 496504de7ddaSRoi Dayan bytes += bytes2; 496604de7ddaSRoi Dayan packets += packets2; 496704de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 496804de7ddaSRoi Dayan } 49692b68d659SOz Shlomo } 497004de7ddaSRoi Dayan 4971316d5f72SRoi Dayan no_peer_counter: 497204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 497304de7ddaSRoi Dayan out: 49744b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 497593a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 49767a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 49775a7e5bcbSVlad Buslov errout: 49785a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 49795a7e5bcbSVlad Buslov return err; 4980aad7e08dSAmir Vadai } 4981aad7e08dSAmir Vadai 49821fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4983fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4984fcb64c0fSEli Cohen { 4985fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4986fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 49871fe3e316SParav Pandit u32 rate_mbps = 0; 4988fcb64c0fSEli Cohen u16 vport_num; 4989fcb64c0fSEli Cohen int err; 4990fcb64c0fSEli Cohen 4991e401a184SEli Cohen vport_num = rpriv->rep->vport; 4992e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4993e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4994e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4995e401a184SEli Cohen return -EOPNOTSUPP; 4996e401a184SEli Cohen } 4997e401a184SEli Cohen 4998fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4999fcb64c0fSEli Cohen /* rate is given in bytes/sec. 5000fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 5001fcb64c0fSEli Cohen * mbit means million bits. 5002fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 5003fcb64c0fSEli Cohen * 1 mbit/sec. 5004fcb64c0fSEli Cohen */ 50051fe3e316SParav Pandit if (rate) { 50061fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 50078b90d897SParav Pandit do_div(rate, 1000000); 50088b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 50091fe3e316SParav Pandit } 50101fe3e316SParav Pandit 50112d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 5012fcb64c0fSEli Cohen if (err) 5013fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5014fcb64c0fSEli Cohen 5015fcb64c0fSEli Cohen return err; 5016fcb64c0fSEli Cohen } 5017fcb64c0fSEli Cohen 50183603f266SOz Shlomo static int 50193603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 5020d97b4b10SJianbo Liu const struct flow_action_entry *act, 5021d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 5022d97b4b10SJianbo Liu { 50233603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 50243603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 50253603f266SOz Shlomo "Offload not supported when conform action is not continue"); 50263603f266SOz Shlomo return -EOPNOTSUPP; 50273603f266SOz Shlomo } 50283603f266SOz Shlomo 5029d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 5030d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5031d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 5032d97b4b10SJianbo Liu return -EOPNOTSUPP; 5033d97b4b10SJianbo Liu } 5034d97b4b10SJianbo Liu 5035d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 5036d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 5037d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5038d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 5039d97b4b10SJianbo Liu return -EOPNOTSUPP; 5040d97b4b10SJianbo Liu } 5041d97b4b10SJianbo Liu 5042d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 5043d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 5044d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5045d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 5046d97b4b10SJianbo Liu return -EOPNOTSUPP; 5047d97b4b10SJianbo Liu } 5048d97b4b10SJianbo Liu 5049d97b4b10SJianbo Liu return 0; 5050d97b4b10SJianbo Liu } 5051d97b4b10SJianbo Liu 5052fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5053fcb64c0fSEli Cohen struct flow_action *flow_action, 5054fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5055fcb64c0fSEli Cohen { 5056fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5057fcb64c0fSEli Cohen const struct flow_action_entry *act; 5058fcb64c0fSEli Cohen int err; 5059fcb64c0fSEli Cohen int i; 5060fcb64c0fSEli Cohen 5061fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5062fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5063fcb64c0fSEli Cohen return -EINVAL; 5064fcb64c0fSEli Cohen } 5065fcb64c0fSEli Cohen 5066fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5067fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5068fcb64c0fSEli Cohen return -EOPNOTSUPP; 5069fcb64c0fSEli Cohen } 5070fcb64c0fSEli Cohen 50710885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 50720885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 5073319a1d19SJiri Pirko return -EOPNOTSUPP; 50740885ae1aSAbhiram R N } 5075319a1d19SJiri Pirko 5076fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5077fcb64c0fSEli Cohen switch (act->id) { 5078fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 50793603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 5080d97b4b10SJianbo Liu if (err) 5081d97b4b10SJianbo Liu return err; 5082d97b4b10SJianbo Liu 5083fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5084fcb64c0fSEli Cohen if (err) 5085fcb64c0fSEli Cohen return err; 5086fcb64c0fSEli Cohen 5087fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5088fcb64c0fSEli Cohen break; 5089fcb64c0fSEli Cohen default: 5090fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5091fcb64c0fSEli Cohen return -EOPNOTSUPP; 5092fcb64c0fSEli Cohen } 5093fcb64c0fSEli Cohen } 5094fcb64c0fSEli Cohen 5095fcb64c0fSEli Cohen return 0; 5096fcb64c0fSEli Cohen } 5097fcb64c0fSEli Cohen 5098fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5099fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5100fcb64c0fSEli Cohen { 5101fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5102fcb64c0fSEli Cohen 51037b83355fSEli Cohen if (ma->common.prio != 1) { 5104fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5105fcb64c0fSEli Cohen return -EINVAL; 5106fcb64c0fSEli Cohen } 5107fcb64c0fSEli Cohen 5108fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5109fcb64c0fSEli Cohen } 5110fcb64c0fSEli Cohen 5111fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5112fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5113fcb64c0fSEli Cohen { 5114fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5115fcb64c0fSEli Cohen 5116fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5117fcb64c0fSEli Cohen } 5118fcb64c0fSEli Cohen 5119fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5120fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5121fcb64c0fSEli Cohen { 5122fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5123fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5124fcb64c0fSEli Cohen u64 dbytes; 5125fcb64c0fSEli Cohen u64 dpkts; 5126fcb64c0fSEli Cohen 5127fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5128fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5129fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5130fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 51314b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 513293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5133fcb64c0fSEli Cohen } 5134fcb64c0fSEli Cohen 51354d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 51364d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 51374d8fcf21SAlaa Hleihel { 5138f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 51394d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5140db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5141db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 51424d8fcf21SAlaa Hleihel u16 peer_vhca_id; 51434d8fcf21SAlaa Hleihel int bkt; 51444d8fcf21SAlaa Hleihel 5145ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 51464d8fcf21SAlaa Hleihel return; 51474d8fcf21SAlaa Hleihel 51484d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 51494d8fcf21SAlaa Hleihel 5150f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 5151f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 5152db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5153db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5154f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 5155db76ca24SVlad Buslov 5156db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5157db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5158db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5159a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5160db76ca24SVlad Buslov 5161db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5162db76ca24SVlad Buslov } 51634d8fcf21SAlaa Hleihel } 51644d8fcf21SAlaa Hleihel 51654d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 51664d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 51674d8fcf21SAlaa Hleihel { 51684d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 51694d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 51704d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 51714d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 51724d8fcf21SAlaa Hleihel 51734d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 51744d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 51754d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 51764d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51774d8fcf21SAlaa Hleihel 51784d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 517965f586c2SLama Kayal priv = tc->priv; 51804d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 51814d8fcf21SAlaa Hleihel if (priv == peer_priv || 51824d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 51834d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51844d8fcf21SAlaa Hleihel 51854d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 51864d8fcf21SAlaa Hleihel 51874d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51884d8fcf21SAlaa Hleihel } 51894d8fcf21SAlaa Hleihel 51906a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 51916a064674SAriel Levkovich { 51926a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 51936a064674SAriel Levkovich u32 max_flow_counter; 51946a064674SAriel Levkovich 51956a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 51966a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 51976a064674SAriel Levkovich 51986a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 51996a064674SAriel Levkovich 52006a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 52016a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 52026a064674SAriel Levkovich 52036a064674SAriel Levkovich return tc_tbl_size; 52046a064674SAriel Levkovich } 52056a064674SAriel Levkovich 520666cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 520766cb64e2SMaor Dickman { 5208f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5209f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 521066cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 521166cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 521266cb64e2SMaor Dickman int err = 0; 521366cb64e2SMaor Dickman 521466cb64e2SMaor Dickman ft_attr.max_fte = 1; 521566cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 521666cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 521766cb64e2SMaor Dickman ft_attr.prio = 0; 521866cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 521966cb64e2SMaor Dickman 522066cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 522166cb64e2SMaor Dickman if (IS_ERR(*ft)) { 522266cb64e2SMaor Dickman err = PTR_ERR(*ft); 522366cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 522466cb64e2SMaor Dickman } 522566cb64e2SMaor Dickman 522666cb64e2SMaor Dickman return err; 522766cb64e2SMaor Dickman } 522866cb64e2SMaor Dickman 522966cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 523066cb64e2SMaor Dickman { 5231f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5232f52f2faeSLama Kayal 5233f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 523466cb64e2SMaor Dickman } 523566cb64e2SMaor Dickman 5236655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5237e8f887acSAmir Vadai { 5238f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 52396a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5240c9355682SChris Mi struct mapping_ctx *chains_mapping; 52416a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 52422198b932SRoi Dayan u64 mapping_id; 52434d8fcf21SAlaa Hleihel int err; 5244e8f887acSAmir Vadai 5245b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5246b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5247b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 52485c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 524965f586c2SLama Kayal tc->priv = priv; 525011c9c548SOr Gerlitz 52514d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 52524d8fcf21SAlaa Hleihel if (err) 52534d8fcf21SAlaa Hleihel return err; 52544d8fcf21SAlaa Hleihel 52559ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 52565aa56105SVlad Buslov lockdep_init_map(&tc->ht.run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 52579ba33339SRoi Dayan 52582198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 52592198b932SRoi Dayan 52602198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 52612198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5262c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 52632198b932SRoi Dayan 5264c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5265c9355682SChris Mi err = PTR_ERR(chains_mapping); 5266c9355682SChris Mi goto err_mapping; 5267c9355682SChris Mi } 5268c9355682SChris Mi tc->mapping = chains_mapping; 5269c9355682SChris Mi 527066cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 527166cb64e2SMaor Dickman if (err) 527266cb64e2SMaor Dickman goto err_chains; 527366cb64e2SMaor Dickman 5274c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5275c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5276c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 52776a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 52786a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 52796a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5280f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5281c9355682SChris Mi attr.mapping = chains_mapping; 52826a064674SAriel Levkovich 52836a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 52846a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 52856a064674SAriel Levkovich err = PTR_ERR(tc->chains); 528666cb64e2SMaor Dickman goto err_miss; 52876a064674SAriel Levkovich } 52886a064674SAriel Levkovich 5289f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 529065f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5291f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5292aedd133dSAriel Levkovich 52931a803472SGal Pressman mlx5e_hairpin_params_init(&tc->hairpin_params, dev); 52941a803472SGal Pressman 52954d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5296d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5297d48834f9SJiri Pirko &tc->netdevice_nb, 5298d48834f9SJiri Pirko &tc->netdevice_nn); 5299d48834f9SJiri Pirko if (err) { 53004d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 53014d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 53026a064674SAriel Levkovich goto err_reg; 53034d8fcf21SAlaa Hleihel } 53044d8fcf21SAlaa Hleihel 53050e414518SGal Pressman mlx5e_tc_debugfs_init(tc, mlx5e_fs_get_debugfs_root(priv->fs)); 53060e414518SGal Pressman 5307d13674b1SOz Shlomo tc->action_stats_handle = mlx5e_tc_act_stats_create(); 5308d13674b1SOz Shlomo if (IS_ERR(tc->action_stats_handle)) 5309d13674b1SOz Shlomo goto err_act_stats; 5310d13674b1SOz Shlomo 53116a064674SAriel Levkovich return 0; 53126a064674SAriel Levkovich 5313d13674b1SOz Shlomo err_act_stats: 5314d13674b1SOz Shlomo unregister_netdevice_notifier_dev_net(priv->netdev, 5315d13674b1SOz Shlomo &tc->netdevice_nb, 5316d13674b1SOz Shlomo &tc->netdevice_nn); 53176a064674SAriel Levkovich err_reg: 5318aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5319f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 53206a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 532166cb64e2SMaor Dickman err_miss: 532266cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 53236a064674SAriel Levkovich err_chains: 5324c9355682SChris Mi mapping_destroy(chains_mapping); 5325c9355682SChris Mi err_mapping: 53266a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 53274d8fcf21SAlaa Hleihel return err; 5328e8f887acSAmir Vadai } 5329e8f887acSAmir Vadai 5330e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5331e8f887acSAmir Vadai { 5332e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5333655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5334e8f887acSAmir Vadai 5335961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5336e8f887acSAmir Vadai kfree(flow); 5337e8f887acSAmir Vadai } 5338e8f887acSAmir Vadai 5339655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5340e8f887acSAmir Vadai { 5341f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5342e8f887acSAmir Vadai 53430e414518SGal Pressman debugfs_remove_recursive(tc->dfs_root); 53440e414518SGal Pressman 53454d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5346d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5347d48834f9SJiri Pirko &tc->netdevice_nb, 5348d48834f9SJiri Pirko &tc->netdevice_nn); 53494d8fcf21SAlaa Hleihel 5350b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5351b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5352b32accdaSVlad Buslov 53536a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5354e8f887acSAmir Vadai 5355acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 53566a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5357acff797cSMaor Gottlieb tc->t = NULL; 5358e8f887acSAmir Vadai } 5359b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 53606a064674SAriel Levkovich 5361aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5362f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5363c9355682SChris Mi mapping_destroy(tc->mapping); 53646a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 536566cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5366d13674b1SOz Shlomo mlx5e_tc_act_stats_free(tc->action_stats_handle); 5367e8f887acSAmir Vadai } 5368655dc3d2SOr Gerlitz 5369d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5370d1a3138fSPaul Blakey { 5371d1a3138fSPaul Blakey int err; 5372d1a3138fSPaul Blakey 5373d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5374d1a3138fSPaul Blakey if (err) 5375d1a3138fSPaul Blakey return err; 5376d1a3138fSPaul Blakey 5377d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 53785aa56105SVlad Buslov lockdep_init_map(&tc_ht->run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 5379d1a3138fSPaul Blakey 5380d1a3138fSPaul Blakey return 0; 5381d1a3138fSPaul Blakey } 5382d1a3138fSPaul Blakey 5383d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5384d1a3138fSPaul Blakey { 5385d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5386d1a3138fSPaul Blakey } 5387d1a3138fSPaul Blakey 5388d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5389655dc3d2SOr Gerlitz { 5390d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5391aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 53920a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5393aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5394aedd133dSAriel Levkovich struct mlx5e_priv *priv; 53952198b932SRoi Dayan u64 mapping_id; 5396aedd133dSAriel Levkovich int err = 0; 53970a7fcb78SPaul Blakey 5398aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5399aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5400aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 54010a7fcb78SPaul Blakey 5402f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5403f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5404aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5405aedd133dSAriel Levkovich esw_chains(esw), 5406aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5407f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5408f0da4daaSChris Mi uplink_priv->post_act); 54094c3844d9SPaul Blakey 54104f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 54114f4edcc2SAriel Levkovich 54122741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 54132a9ab10aSChris Mi 54142198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 54152198b932SRoi Dayan 54162198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 54172198b932SRoi Dayan sizeof(struct tunnel_match_key), 54180a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 54192198b932SRoi Dayan 54200a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54210a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54220a7fcb78SPaul Blakey goto err_tun_mapping; 54230a7fcb78SPaul Blakey } 54240a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 54250a7fcb78SPaul Blakey 54263222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 54273222efd4SVlad Buslov * and bridge ingress push mark. 54283222efd4SVlad Buslov */ 54292198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 54303222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 54310a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54320a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54330a7fcb78SPaul Blakey goto err_enc_opts_mapping; 54340a7fcb78SPaul Blakey } 54350a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 54360a7fcb78SPaul Blakey 54378914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 54382b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 54392b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 54408914add2SVlad Buslov goto err_register_fib_notifier; 54412b6c3c1eSWei Yongjun } 54428914add2SVlad Buslov 5443d13674b1SOz Shlomo uplink_priv->action_stats_handle = mlx5e_tc_act_stats_create(); 5444d13674b1SOz Shlomo if (IS_ERR(uplink_priv->action_stats_handle)) 5445d13674b1SOz Shlomo goto err_action_counter; 5446d13674b1SOz Shlomo 54472b6c3c1eSWei Yongjun return 0; 54480a7fcb78SPaul Blakey 5449d13674b1SOz Shlomo err_action_counter: 5450d13674b1SOz Shlomo mlx5e_tc_tun_cleanup(uplink_priv->encap); 54518914add2SVlad Buslov err_register_fib_notifier: 54520a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 54530a7fcb78SPaul Blakey err_enc_opts_mapping: 54540a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 54550a7fcb78SPaul Blakey err_tun_mapping: 54560027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 54574f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5458aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 54590a7fcb78SPaul Blakey netdev_warn(priv->netdev, 54600a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5461f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 54620a7fcb78SPaul Blakey return err; 5463655dc3d2SOr Gerlitz } 5464655dc3d2SOr Gerlitz 5465d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5466655dc3d2SOr Gerlitz { 5467*c9668f0bSPaul Blakey struct mlx5e_rep_priv *rpriv; 5468*c9668f0bSPaul Blakey struct mlx5_eswitch *esw; 5469*c9668f0bSPaul Blakey struct mlx5e_priv *priv; 5470*c9668f0bSPaul Blakey 5471*c9668f0bSPaul Blakey rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5472*c9668f0bSPaul Blakey priv = netdev_priv(rpriv->netdev); 5473*c9668f0bSPaul Blakey esw = priv->mdev->priv.eswitch; 5474*c9668f0bSPaul Blakey 5475*c9668f0bSPaul Blakey mlx5e_tc_clean_fdb_peer_flows(esw); 5476*c9668f0bSPaul Blakey 54778914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 54788914add2SVlad Buslov 54790a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 54800a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 54814c3844d9SPaul Blakey 54820027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 54834f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5484aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 548574e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5486f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5487d13674b1SOz Shlomo mlx5e_tc_act_stats_free(uplink_priv->action_stats_handle); 5488655dc3d2SOr Gerlitz } 548901252a27SOr Gerlitz 5490226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 549101252a27SOr Gerlitz { 5492d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 549301252a27SOr Gerlitz 549401252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 549501252a27SOr Gerlitz } 549604de7ddaSRoi Dayan 549704de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 549804de7ddaSRoi Dayan { 549904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 550004de7ddaSRoi Dayan 550104de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 550204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 550304de7ddaSRoi Dayan } 5504b4a23329SRoi Dayan 5505b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5506b4a23329SRoi Dayan { 5507b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5508b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5509b4a23329SRoi Dayan reoffload_flows_work); 5510b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5511b4a23329SRoi Dayan 5512ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5513b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5514b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5515ad86755bSVlad Buslov unready_flow_del(flow); 5516b4a23329SRoi Dayan } 5517ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5518b4a23329SRoi Dayan } 5519e2394a61SVlad Buslov 5520e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5521e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5522e2394a61SVlad Buslov unsigned long flags) 5523e2394a61SVlad Buslov { 5524e2394a61SVlad Buslov switch (cls_flower->command) { 5525e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5526e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5527e2394a61SVlad Buslov flags); 5528e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5529e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5530e2394a61SVlad Buslov flags); 5531e2394a61SVlad Buslov case FLOW_CLS_STATS: 5532e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5533e2394a61SVlad Buslov flags); 5534e2394a61SVlad Buslov default: 5535e2394a61SVlad Buslov return -EOPNOTSUPP; 5536e2394a61SVlad Buslov } 5537e2394a61SVlad Buslov } 5538e2394a61SVlad Buslov 5539e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5540e2394a61SVlad Buslov void *cb_priv) 5541e2394a61SVlad Buslov { 5542ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5543e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5544e2394a61SVlad Buslov 55452ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 55462ff349c5SRoi Dayan return -EOPNOTSUPP; 55472ff349c5SRoi Dayan 5548ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5549ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5550ec9457a6SRoi Dayan else 5551ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5552ec9457a6SRoi Dayan 5553e2394a61SVlad Buslov switch (type) { 5554e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5555e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5556e2394a61SVlad Buslov default: 5557e2394a61SVlad Buslov return -EOPNOTSUPP; 5558e2394a61SVlad Buslov } 5559e2394a61SVlad Buslov } 5560c7569097SAriel Levkovich 556193a1ab2cSPaul Blakey static bool mlx5e_tc_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, 556293a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 556393a1ab2cSPaul Blakey u32 tunnel_id) 5564c7569097SAriel Levkovich { 556593a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 556693a1ab2cSPaul Blakey struct tunnel_match_enc_opts enc_opts = {}; 556793a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 556893a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 556993a1ab2cSPaul Blakey struct metadata_dst *tun_dst; 557093a1ab2cSPaul Blakey struct tunnel_match_key key; 557193a1ab2cSPaul Blakey u32 tun_id, enc_opts_id; 557293a1ab2cSPaul Blakey struct net_device *dev; 5573c7569097SAriel Levkovich int err; 5574c7569097SAriel Levkovich 557593a1ab2cSPaul Blakey enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; 557693a1ab2cSPaul Blakey tun_id = tunnel_id >> ENC_OPTS_BITS; 5577c7569097SAriel Levkovich 557893a1ab2cSPaul Blakey if (!tun_id) 557993a1ab2cSPaul Blakey return true; 558093a1ab2cSPaul Blakey 558193a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 558293a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 558393a1ab2cSPaul Blakey 558493a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); 5585c7569097SAriel Levkovich if (err) { 5586c7569097SAriel Levkovich netdev_dbg(priv->netdev, 558793a1ab2cSPaul Blakey "Couldn't find tunnel for tun_id: %d, err: %d\n", 558893a1ab2cSPaul Blakey tun_id, err); 5589c7569097SAriel Levkovich return false; 5590c7569097SAriel Levkovich } 5591c7569097SAriel Levkovich 559293a1ab2cSPaul Blakey if (enc_opts_id) { 559393a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, 559493a1ab2cSPaul Blakey enc_opts_id, &enc_opts); 559593a1ab2cSPaul Blakey if (err) { 559693a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 559793a1ab2cSPaul Blakey "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", 559893a1ab2cSPaul Blakey enc_opts_id, err); 5599c7569097SAriel Levkovich return false; 560093a1ab2cSPaul Blakey } 560193a1ab2cSPaul Blakey } 560293a1ab2cSPaul Blakey 560393a1ab2cSPaul Blakey switch (key.enc_control.addr_type) { 560493a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 560593a1ab2cSPaul Blakey tun_dst = __ip_tun_set_dst(key.enc_ipv4.src, key.enc_ipv4.dst, 560693a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 560793a1ab2cSPaul Blakey key.enc_tp.dst, TUNNEL_KEY, 560893a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 560993a1ab2cSPaul Blakey enc_opts.key.len); 561093a1ab2cSPaul Blakey break; 561193a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 561293a1ab2cSPaul Blakey tun_dst = __ipv6_tun_set_dst(&key.enc_ipv6.src, &key.enc_ipv6.dst, 561393a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 561493a1ab2cSPaul Blakey key.enc_tp.dst, 0, TUNNEL_KEY, 561593a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 561693a1ab2cSPaul Blakey enc_opts.key.len); 561793a1ab2cSPaul Blakey break; 561893a1ab2cSPaul Blakey default: 561993a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 562093a1ab2cSPaul Blakey "Couldn't restore tunnel, unsupported addr_type: %d\n", 562193a1ab2cSPaul Blakey key.enc_control.addr_type); 562293a1ab2cSPaul Blakey return false; 562393a1ab2cSPaul Blakey } 562493a1ab2cSPaul Blakey 562593a1ab2cSPaul Blakey if (!tun_dst) { 562693a1ab2cSPaul Blakey netdev_dbg(priv->netdev, "Couldn't restore tunnel, no tun_dst\n"); 562793a1ab2cSPaul Blakey return false; 562893a1ab2cSPaul Blakey } 562993a1ab2cSPaul Blakey 563093a1ab2cSPaul Blakey tun_dst->u.tun_info.key.tp_src = key.enc_tp.src; 563193a1ab2cSPaul Blakey 563293a1ab2cSPaul Blakey if (enc_opts.key.len) 563393a1ab2cSPaul Blakey ip_tunnel_info_opts_set(&tun_dst->u.tun_info, 563493a1ab2cSPaul Blakey enc_opts.key.data, 563593a1ab2cSPaul Blakey enc_opts.key.len, 563693a1ab2cSPaul Blakey enc_opts.key.dst_opt_type); 563793a1ab2cSPaul Blakey 563893a1ab2cSPaul Blakey skb_dst_set(skb, (struct dst_entry *)tun_dst); 563993a1ab2cSPaul Blakey dev = dev_get_by_index(&init_net, key.filter_ifindex); 564093a1ab2cSPaul Blakey if (!dev) { 564193a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 564293a1ab2cSPaul Blakey "Couldn't find tunnel device with ifindex: %d\n", 564393a1ab2cSPaul Blakey key.filter_ifindex); 564493a1ab2cSPaul Blakey return false; 564593a1ab2cSPaul Blakey } 564693a1ab2cSPaul Blakey 564793a1ab2cSPaul Blakey /* Set fwd_dev so we do dev_put() after datapath */ 564893a1ab2cSPaul Blakey tc_priv->fwd_dev = dev; 564993a1ab2cSPaul Blakey 565093a1ab2cSPaul Blakey skb->dev = dev; 565193a1ab2cSPaul Blakey 565293a1ab2cSPaul Blakey return true; 565393a1ab2cSPaul Blakey } 565493a1ab2cSPaul Blakey 565567027828SPaul Blakey static bool mlx5e_tc_restore_skb_tc_meta(struct sk_buff *skb, struct mlx5_tc_ct_priv *ct_priv, 565667027828SPaul Blakey struct mlx5_mapped_obj *mapped_obj, u32 zone_restore_id, 565793a1ab2cSPaul Blakey u32 tunnel_id, struct mlx5e_tc_update_priv *tc_priv) 565893a1ab2cSPaul Blakey { 565993a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 566093a1ab2cSPaul Blakey struct tc_skb_ext *tc_skb_ext; 566167027828SPaul Blakey u64 act_miss_cookie; 566267027828SPaul Blakey u32 chain; 566393a1ab2cSPaul Blakey 566467027828SPaul Blakey chain = mapped_obj->type == MLX5_MAPPED_OBJ_CHAIN ? mapped_obj->chain : 0; 566567027828SPaul Blakey act_miss_cookie = mapped_obj->type == MLX5_MAPPED_OBJ_ACT_MISS ? 566667027828SPaul Blakey mapped_obj->act_miss_cookie : 0; 566767027828SPaul Blakey if (chain || act_miss_cookie) { 566893a1ab2cSPaul Blakey if (!mlx5e_tc_ct_restore_flow(ct_priv, skb, zone_restore_id)) 566993a1ab2cSPaul Blakey return false; 567093a1ab2cSPaul Blakey 567193a1ab2cSPaul Blakey tc_skb_ext = tc_skb_ext_alloc(skb); 567293a1ab2cSPaul Blakey if (!tc_skb_ext) { 567393a1ab2cSPaul Blakey WARN_ON(1); 567493a1ab2cSPaul Blakey return false; 567593a1ab2cSPaul Blakey } 5676c7569097SAriel Levkovich 567767027828SPaul Blakey if (act_miss_cookie) { 567867027828SPaul Blakey tc_skb_ext->act_miss_cookie = act_miss_cookie; 567967027828SPaul Blakey tc_skb_ext->act_miss = 1; 568067027828SPaul Blakey } else { 5681c7569097SAriel Levkovich tc_skb_ext->chain = chain; 568293a1ab2cSPaul Blakey } 568367027828SPaul Blakey } 5684aedd133dSAriel Levkovich 568593a1ab2cSPaul Blakey if (tc_priv) 568693a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 5687aedd133dSAriel Levkovich 568893a1ab2cSPaul Blakey return true; 568993a1ab2cSPaul Blakey } 569093a1ab2cSPaul Blakey 569193a1ab2cSPaul Blakey static void mlx5e_tc_restore_skb_sample(struct mlx5e_priv *priv, struct sk_buff *skb, 569293a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 569393a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 569493a1ab2cSPaul Blakey { 569593a1ab2cSPaul Blakey if (!mlx5e_tc_restore_tunnel(priv, skb, tc_priv, mapped_obj->sample.tunnel_id)) { 569693a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 569793a1ab2cSPaul Blakey "Failed to restore tunnel info for sampled packet\n"); 569893a1ab2cSPaul Blakey return; 569993a1ab2cSPaul Blakey } 570093a1ab2cSPaul Blakey mlx5e_tc_sample_skb(skb, mapped_obj); 570193a1ab2cSPaul Blakey } 570293a1ab2cSPaul Blakey 570393a1ab2cSPaul Blakey static bool mlx5e_tc_restore_skb_int_port(struct mlx5e_priv *priv, struct sk_buff *skb, 570493a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 570593a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 570693a1ab2cSPaul Blakey u32 tunnel_id) 570793a1ab2cSPaul Blakey { 570893a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 570993a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 571093a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 571193a1ab2cSPaul Blakey bool forward_tx = false; 571293a1ab2cSPaul Blakey 571393a1ab2cSPaul Blakey /* Tunnel restore takes precedence over int port restore */ 571493a1ab2cSPaul Blakey if (tunnel_id) 571593a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 571693a1ab2cSPaul Blakey 571793a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 571893a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 571993a1ab2cSPaul Blakey 572093a1ab2cSPaul Blakey if (mlx5e_tc_int_port_dev_fwd(uplink_priv->int_port_priv, skb, 572193a1ab2cSPaul Blakey mapped_obj->int_port_metadata, &forward_tx)) { 572293a1ab2cSPaul Blakey /* Set fwd_dev for future dev_put */ 572393a1ab2cSPaul Blakey tc_priv->fwd_dev = skb->dev; 572493a1ab2cSPaul Blakey tc_priv->forward_tx = forward_tx; 572593a1ab2cSPaul Blakey 572693a1ab2cSPaul Blakey return true; 572793a1ab2cSPaul Blakey } 572893a1ab2cSPaul Blakey 5729aedd133dSAriel Levkovich return false; 573093a1ab2cSPaul Blakey } 573193a1ab2cSPaul Blakey 573293a1ab2cSPaul Blakey bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb, 573393a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx, u32 mapped_obj_id, 573493a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv, 573593a1ab2cSPaul Blakey u32 zone_restore_id, u32 tunnel_id, 573693a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 573793a1ab2cSPaul Blakey { 573893a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 573993a1ab2cSPaul Blakey struct mlx5_mapped_obj mapped_obj; 574093a1ab2cSPaul Blakey int err; 574193a1ab2cSPaul Blakey 574293a1ab2cSPaul Blakey err = mapping_find(mapping_ctx, mapped_obj_id, &mapped_obj); 574393a1ab2cSPaul Blakey if (err) { 574493a1ab2cSPaul Blakey netdev_dbg(skb->dev, 574593a1ab2cSPaul Blakey "Couldn't find mapped object for mapped_obj_id: %d, err: %d\n", 574693a1ab2cSPaul Blakey mapped_obj_id, err); 574793a1ab2cSPaul Blakey return false; 574893a1ab2cSPaul Blakey } 574993a1ab2cSPaul Blakey 575093a1ab2cSPaul Blakey switch (mapped_obj.type) { 575193a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_CHAIN: 575267027828SPaul Blakey case MLX5_MAPPED_OBJ_ACT_MISS: 575367027828SPaul Blakey return mlx5e_tc_restore_skb_tc_meta(skb, ct_priv, &mapped_obj, zone_restore_id, 575493a1ab2cSPaul Blakey tunnel_id, tc_priv); 575593a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_SAMPLE: 575693a1ab2cSPaul Blakey mlx5e_tc_restore_skb_sample(priv, skb, &mapped_obj, tc_priv); 575793a1ab2cSPaul Blakey tc_priv->skb_done = true; 575893a1ab2cSPaul Blakey return true; 575993a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_INT_PORT_METADATA: 576093a1ab2cSPaul Blakey return mlx5e_tc_restore_skb_int_port(priv, skb, &mapped_obj, tc_priv, tunnel_id); 576193a1ab2cSPaul Blakey default: 5762a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5763a91d98a0SChris Mi return false; 5764c7569097SAriel Levkovich } 5765c7569097SAriel Levkovich 576693a1ab2cSPaul Blakey return false; 576793a1ab2cSPaul Blakey } 576893a1ab2cSPaul Blakey 576993a1ab2cSPaul Blakey bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb) 577093a1ab2cSPaul Blakey { 577193a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 577293a1ab2cSPaul Blakey u32 mapped_obj_id, reg_b, zone_restore_id; 577393a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv; 577493a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx; 577593a1ab2cSPaul Blakey struct mlx5e_tc_table *tc; 577693a1ab2cSPaul Blakey 577793a1ab2cSPaul Blakey reg_b = be32_to_cpu(cqe->ft_metadata); 577893a1ab2cSPaul Blakey tc = mlx5e_fs_get_tc(priv->fs); 577993a1ab2cSPaul Blakey mapped_obj_id = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 578093a1ab2cSPaul Blakey zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 578193a1ab2cSPaul Blakey ESW_ZONE_ID_MASK; 578293a1ab2cSPaul Blakey ct_priv = tc->ct; 578393a1ab2cSPaul Blakey mapping_ctx = tc->mapping; 578493a1ab2cSPaul Blakey 578593a1ab2cSPaul Blakey return mlx5e_tc_update_skb(cqe, skb, mapping_ctx, mapped_obj_id, ct_priv, zone_restore_id, 578693a1ab2cSPaul Blakey 0, NULL); 5787c7569097SAriel Levkovich } 578867027828SPaul Blakey 578967027828SPaul Blakey int mlx5e_tc_action_miss_mapping_get(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 579067027828SPaul Blakey u64 act_miss_cookie, u32 *act_miss_mapping) 579167027828SPaul Blakey { 579267027828SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 579367027828SPaul Blakey struct mlx5_mapped_obj mapped_obj = {}; 579467027828SPaul Blakey struct mapping_ctx *ctx; 579567027828SPaul Blakey int err; 579667027828SPaul Blakey 579767027828SPaul Blakey ctx = esw->offloads.reg_c0_obj_pool; 579867027828SPaul Blakey 579967027828SPaul Blakey mapped_obj.type = MLX5_MAPPED_OBJ_ACT_MISS; 580067027828SPaul Blakey mapped_obj.act_miss_cookie = act_miss_cookie; 580167027828SPaul Blakey err = mapping_add(ctx, &mapped_obj, act_miss_mapping); 580267027828SPaul Blakey if (err) 580367027828SPaul Blakey return err; 580467027828SPaul Blakey 580567027828SPaul Blakey attr->act_id_restore_rule = esw_add_restore_rule(esw, *act_miss_mapping); 580667027828SPaul Blakey if (IS_ERR(attr->act_id_restore_rule)) 580767027828SPaul Blakey goto err_rule; 580867027828SPaul Blakey 580967027828SPaul Blakey return 0; 581067027828SPaul Blakey 581167027828SPaul Blakey err_rule: 581267027828SPaul Blakey mapping_remove(ctx, *act_miss_mapping); 581367027828SPaul Blakey return err; 581467027828SPaul Blakey } 581567027828SPaul Blakey 581667027828SPaul Blakey void mlx5e_tc_action_miss_mapping_put(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 581767027828SPaul Blakey u32 act_miss_mapping) 581867027828SPaul Blakey { 581967027828SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 582067027828SPaul Blakey struct mapping_ctx *ctx; 582167027828SPaul Blakey 582267027828SPaul Blakey ctx = esw->offloads.reg_c0_obj_pool; 582367027828SPaul Blakey mlx5_del_flow_rules(attr->act_id_restore_rule); 582467027828SPaul Blakey mapping_remove(ctx, act_miss_mapping); 582567027828SPaul Blakey } 5826