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> 471bffcea4SGal Pressman #include "devlink.h" 48e8f887acSAmir Vadai #include "en.h" 49f0da4daaSChris Mi #include "en/tc/post_act.h" 50d13674b1SOz Shlomo #include "en/tc/act_stats.h" 511d447a39SSaeed Mahameed #include "en_rep.h" 52768c3667SVlad Buslov #include "en/rep/tc.h" 53e2394a61SVlad Buslov #include "en/rep/neigh.h" 54232c0013SHadar Hen Zion #include "en_tc.h" 5503a9d11eSOr Gerlitz #include "eswitch.h" 563f6d08d1SOr Gerlitz #include "fs_core.h" 572c81bfd5SHuy Nguyen #include "en/port.h" 58101f4de9SOz Shlomo #include "en/tc_tun.h" 590a7fcb78SPaul Blakey #include "en/mapping.h" 604c3844d9SPaul Blakey #include "en/tc_ct.h" 61b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 620d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 630027d70cSChris Mi #include "en/tc/sample.h" 64fad54790SRoi Dayan #include "en/tc/act/act.h" 6506fe52a4SJianbo Liu #include "en/tc/post_meter.h" 6604de7ddaSRoi Dayan #include "lib/devcom.h" 679272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 68ae430332SAriel Levkovich #include "lib/fs_chains.h" 697a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 701fe3e316SParav Pandit #include <asm/div64.h> 71016c8946SJakub Kicinski #include "lag/lag.h" 72016c8946SJakub Kicinski #include "lag/mp.h" 73e8f887acSAmir Vadai 74acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 756a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 76e8f887acSAmir Vadai 7723bde065SLama Kayal struct mlx5e_tc_table { 7823bde065SLama Kayal /* Protects the dynamic assignment of the t parameter 7923bde065SLama Kayal * which is the nic tc root table. 8023bde065SLama Kayal */ 8123bde065SLama Kayal struct mutex t_lock; 8223bde065SLama Kayal struct mlx5e_priv *priv; 8323bde065SLama Kayal struct mlx5_flow_table *t; 8423bde065SLama Kayal struct mlx5_flow_table *miss_t; 8523bde065SLama Kayal struct mlx5_fs_chains *chains; 8623bde065SLama Kayal struct mlx5e_post_act *post_act; 8723bde065SLama Kayal 8823bde065SLama Kayal struct rhashtable ht; 8923bde065SLama Kayal 9023bde065SLama Kayal struct mod_hdr_tbl mod_hdr; 9123bde065SLama Kayal struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ 9223bde065SLama Kayal DECLARE_HASHTABLE(hairpin_tbl, 8); 9323bde065SLama Kayal 9423bde065SLama Kayal struct notifier_block netdevice_nb; 9523bde065SLama Kayal struct netdev_net_notifier netdevice_nn; 9623bde065SLama Kayal 9723bde065SLama Kayal struct mlx5_tc_ct_priv *ct; 9823bde065SLama Kayal struct mapping_ctx *mapping; 990e414518SGal Pressman struct dentry *dfs_root; 100d13674b1SOz Shlomo 101d13674b1SOz Shlomo /* tc action stats */ 102d13674b1SOz Shlomo struct mlx5e_tc_act_stats_handle *action_stats_handle; 10323bde065SLama Kayal }; 10423bde065SLama Kayal 1058f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 106235ff07dSPaul Blakey [MAPPED_OBJ_TO_REG] = { 1078f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1088f1e0b97SPaul Blakey .moffset = 0, 109ed2fe7baSPaul Blakey .mlen = 16, 1108f1e0b97SPaul Blakey }, 11110742efcSVlad Buslov [VPORT_TO_REG] = { 11210742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 113ed2fe7baSPaul Blakey .moffset = 16, 114ed2fe7baSPaul Blakey .mlen = 16, 11510742efcSVlad Buslov }, 1160a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1170a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 118ed2fe7baSPaul Blakey .moffset = 8, 119ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 1200a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1210a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1220a7fcb78SPaul Blakey }, 1234c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 124a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1254c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1264c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1274c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1284c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 12939c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 130c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 131c7569097SAriel Levkovich * jump between steering domains. 132c7569097SAriel Levkovich */ 133235ff07dSPaul Blakey [NIC_MAPPED_OBJ_TO_REG] = { 134c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 135c7569097SAriel Levkovich .moffset = 0, 136ed2fe7baSPaul Blakey .mlen = 16, 137c7569097SAriel Levkovich }, 138aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 13906fe52a4SJianbo Liu [PACKET_COLOR_TO_REG] = packet_color_to_reg, 1408f1e0b97SPaul Blakey }; 1418f1e0b97SPaul Blakey 142c84fa1abSOz Shlomo struct mlx5e_tc_jump_state { 143c84fa1abSOz Shlomo u32 jump_count; 144c84fa1abSOz Shlomo bool jump_target; 145c84fa1abSOz Shlomo struct mlx5_flow_attr *jumping_attr; 146c84fa1abSOz Shlomo 147c84fa1abSOz Shlomo enum flow_action_id last_id; 148c84fa1abSOz Shlomo u32 last_index; 149c84fa1abSOz Shlomo }; 150c84fa1abSOz Shlomo 15123bde065SLama Kayal struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) 15223bde065SLama Kayal { 15323bde065SLama Kayal struct mlx5e_tc_table *tc; 15423bde065SLama Kayal 15523bde065SLama Kayal tc = kvzalloc(sizeof(*tc), GFP_KERNEL); 15623bde065SLama Kayal return tc ? tc : ERR_PTR(-ENOMEM); 15723bde065SLama Kayal } 15823bde065SLama Kayal 15923bde065SLama Kayal void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) 16023bde065SLama Kayal { 16123bde065SLama Kayal kvfree(tc); 16223bde065SLama Kayal } 16323bde065SLama Kayal 16423bde065SLama Kayal struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc) 16523bde065SLama Kayal { 16623bde065SLama Kayal return tc->chains; 16723bde065SLama Kayal } 16823bde065SLama Kayal 1699ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1709ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1719ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1729ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1739ba33339SRoi Dayan * it's different than the ht->mutex here. 1749ba33339SRoi Dayan */ 1759ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1765aa56105SVlad Buslov static struct lock_class_key tc_ht_wq_key; 1779ba33339SRoi Dayan 1780a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1798300f225SRoi Dayan static void free_flow_post_acts(struct mlx5e_tc_flow *flow); 180a830ec48SPaul Blakey static void mlx5_free_flow_attr_actions(struct mlx5e_tc_flow *flow, 181a830ec48SPaul Blakey struct mlx5_flow_attr *attr); 1820a7fcb78SPaul Blakey 1830a7fcb78SPaul Blakey void 1840a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1850a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 186ed2fe7baSPaul Blakey u32 val, 1870a7fcb78SPaul Blakey u32 mask) 1880a7fcb78SPaul Blakey { 189ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1900a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 191ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1920a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 193ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 194ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 195ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1960a7fcb78SPaul Blakey 1970a7fcb78SPaul Blakey fmask = headers_c + soffset; 1980a7fcb78SPaul Blakey fval = headers_v + soffset; 1990a7fcb78SPaul Blakey 200ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 201ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2020a7fcb78SPaul Blakey 203ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 204ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 205ed2fe7baSPaul Blakey 206ed2fe7baSPaul Blakey //move to correct offset 207ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 208ed2fe7baSPaul Blakey mask <<= moffset; 209ed2fe7baSPaul Blakey val <<= moffset; 210ed2fe7baSPaul Blakey max_mask <<= moffset; 211ed2fe7baSPaul Blakey 212ed2fe7baSPaul Blakey //zero val and mask 213ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 214ed2fe7baSPaul Blakey curr_val &= ~max_mask; 215ed2fe7baSPaul Blakey 216ed2fe7baSPaul Blakey //add current to mask 217ed2fe7baSPaul Blakey curr_mask |= mask; 218ed2fe7baSPaul Blakey curr_val |= val; 219ed2fe7baSPaul Blakey 220ed2fe7baSPaul Blakey //back to be32 and write 221ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 222ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 223ed2fe7baSPaul Blakey 224ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 225ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 2260a7fcb78SPaul Blakey 2270a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2280a7fcb78SPaul Blakey } 2290a7fcb78SPaul Blakey 2307e36feebSPaul Blakey void 2317e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2327e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 233ed2fe7baSPaul Blakey u32 *val, 2347e36feebSPaul Blakey u32 *mask) 2357e36feebSPaul Blakey { 236ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 2377e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 238ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2397e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 240ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 241ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 242ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2437e36feebSPaul Blakey 2447e36feebSPaul Blakey fmask = headers_c + soffset; 2457e36feebSPaul Blakey fval = headers_v + soffset; 2467e36feebSPaul Blakey 247ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 248ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2497e36feebSPaul Blakey 250ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 251ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 252ed2fe7baSPaul Blakey 253ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 254ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 2557e36feebSPaul Blakey } 2567e36feebSPaul Blakey 2570a7fcb78SPaul Blakey int 258c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2590a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 260aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2610a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2620a7fcb78SPaul Blakey u32 data) 2630a7fcb78SPaul Blakey { 2640a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2650a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2660a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2670a7fcb78SPaul Blakey char *modact; 2680a7fcb78SPaul Blakey int err; 2690a7fcb78SPaul Blakey 2702c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2712c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2722c0e5cf5SPaul Blakey return PTR_ERR(modact); 2730a7fcb78SPaul Blakey 2740a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 275ed2fe7baSPaul Blakey if (mlen == 32) 2760a7fcb78SPaul Blakey mlen = 0; 2770a7fcb78SPaul Blakey 2780a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2790a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 280ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 281ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2820a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 283c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2840a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2850a7fcb78SPaul Blakey 286c7b9038dSVlad Buslov return err; 2870a7fcb78SPaul Blakey } 2880a7fcb78SPaul Blakey 289d13674b1SOz Shlomo static struct mlx5e_tc_act_stats_handle * 290d13674b1SOz Shlomo get_act_stats_handle(struct mlx5e_priv *priv) 291d13674b1SOz Shlomo { 292d13674b1SOz Shlomo struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 293d13674b1SOz Shlomo struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 294d13674b1SOz Shlomo struct mlx5_rep_uplink_priv *uplink_priv; 295d13674b1SOz Shlomo struct mlx5e_rep_priv *uplink_rpriv; 296d13674b1SOz Shlomo 297d13674b1SOz Shlomo if (is_mdev_switchdev_mode(priv->mdev)) { 298d13674b1SOz Shlomo uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 299d13674b1SOz Shlomo uplink_priv = &uplink_rpriv->uplink_priv; 300d13674b1SOz Shlomo 301d13674b1SOz Shlomo return uplink_priv->action_stats_handle; 302d13674b1SOz Shlomo } 303d13674b1SOz Shlomo 304d13674b1SOz Shlomo return tc->action_stats_handle; 305d13674b1SOz Shlomo } 306d13674b1SOz Shlomo 30727484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 30827484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 30927484f71SAriel Levkovich { 31027484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31127484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 31227484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 31327484f71SAriel Levkovich 31427484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 31527484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 31627484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 31727484f71SAriel Levkovich 31827484f71SAriel Levkovich return uplink_priv->int_port_priv; 31927484f71SAriel Levkovich } 32027484f71SAriel Levkovich 32127484f71SAriel Levkovich return NULL; 32227484f71SAriel Levkovich } 32327484f71SAriel Levkovich 32474e6b2a8SJianbo Liu struct mlx5e_flow_meters * 32574e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 32674e6b2a8SJianbo Liu { 32774e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 32874e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 32974e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 33074e6b2a8SJianbo Liu struct mlx5e_priv *priv; 33174e6b2a8SJianbo Liu 33274e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 33374e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 33474e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 33574e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 33674e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 33774e6b2a8SJianbo Liu uplink_priv->flow_meters = 33874e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 33974e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 34074e6b2a8SJianbo Liu uplink_priv->post_act); 34174e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 34274e6b2a8SJianbo Liu return uplink_priv->flow_meters; 34374e6b2a8SJianbo Liu } 34474e6b2a8SJianbo Liu 34574e6b2a8SJianbo Liu return NULL; 34674e6b2a8SJianbo Liu } 34774e6b2a8SJianbo Liu 348aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 349aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 350aedd133dSAriel Levkovich { 351f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 352aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 353aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 354aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 355aedd133dSAriel Levkovich 356e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 357aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 358aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 359aedd133dSAriel Levkovich 360aedd133dSAriel Levkovich return uplink_priv->ct_priv; 361aedd133dSAriel Levkovich } 362aedd133dSAriel Levkovich 363f52f2faeSLama Kayal return tc->ct; 364aedd133dSAriel Levkovich } 365aedd133dSAriel Levkovich 3660027d70cSChris Mi static struct mlx5e_tc_psample * 367f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 368f94d6389SChris Mi { 369f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 370f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 371f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 372f94d6389SChris Mi 373f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 374f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 375f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 376f94d6389SChris Mi 3770027d70cSChris Mi return uplink_priv->tc_psample; 378f94d6389SChris Mi } 379f94d6389SChris Mi 380f94d6389SChris Mi return NULL; 381f94d6389SChris Mi } 382f94d6389SChris Mi 3838300f225SRoi Dayan static struct mlx5e_post_act * 3848300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3858300f225SRoi Dayan { 386f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3878300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3888300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3898300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3908300f225SRoi Dayan 3918300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3928300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3938300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3948300f225SRoi Dayan 3958300f225SRoi Dayan return uplink_priv->post_act; 3968300f225SRoi Dayan } 3978300f225SRoi Dayan 398f52f2faeSLama Kayal return tc->post_act; 3998300f225SRoi Dayan } 4008300f225SRoi Dayan 401aedd133dSAriel Levkovich struct mlx5_flow_handle * 402aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 403aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 404aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 405aedd133dSAriel Levkovich { 406aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 407aedd133dSAriel Levkovich 408e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 409aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 410aedd133dSAriel Levkovich 411aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 412aedd133dSAriel Levkovich } 413aedd133dSAriel Levkovich 414aedd133dSAriel Levkovich void 415aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 416aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 417aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 418aedd133dSAriel Levkovich { 419aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 420aedd133dSAriel Levkovich 421e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 422aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 423aedd133dSAriel Levkovich return; 424aedd133dSAriel Levkovich } 425aedd133dSAriel Levkovich 426aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 427aedd133dSAriel Levkovich } 428aedd133dSAriel Levkovich 429a8d52b02SJianbo Liu static bool 430a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 431a8d52b02SJianbo Liu { 4326fda078dSOz Shlomo return (((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 4336fda078dSOz Shlomo (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)) || 4346fda078dSOz Shlomo attr->flags & MLX5_ATTR_FLAG_MTU); 435a8d52b02SJianbo Liu } 436a8d52b02SJianbo Liu 437a8d52b02SJianbo Liu static int 438a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 439a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 440a8d52b02SJianbo Liu { 441e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 442e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 443e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 444a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 4456fda078dSOz Shlomo enum mlx5e_post_meter_type type; 446a8d52b02SJianbo Liu 447f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 448a8d52b02SJianbo Liu if (IS_ERR(meter)) { 449a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 450a8d52b02SJianbo Liu return PTR_ERR(meter); 451a8d52b02SJianbo Liu } 452a8d52b02SJianbo Liu 453e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 4546fda078dSOz Shlomo type = meter->params.mtu ? MLX5E_POST_METER_MTU : MLX5E_POST_METER_RATE; 4550d8c38d4SOz Shlomo post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, 4566fda078dSOz Shlomo type, 4570d8c38d4SOz Shlomo meter->act_counter, meter->drop_counter, 4580d8c38d4SOz Shlomo attr->branch_true, attr->branch_false); 459e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 460e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 461e5b1db27SRoi Dayan goto err_meter_init; 462e5b1db27SRoi Dayan } 463e5b1db27SRoi Dayan 464a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 465e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 466e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 467a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 468a8d52b02SJianbo Liu 469a8d52b02SJianbo Liu return 0; 470e5b1db27SRoi Dayan 471e5b1db27SRoi Dayan err_meter_init: 472e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 473e5b1db27SRoi Dayan return PTR_ERR(post_meter); 474e5b1db27SRoi Dayan } 475e5b1db27SRoi Dayan 476e5b1db27SRoi Dayan static void 4770d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) 478e5b1db27SRoi Dayan { 4790d8c38d4SOz Shlomo mlx5e_post_meter_cleanup(esw, attr->meter_attr.post_meter); 480e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 481a8d52b02SJianbo Liu } 482a8d52b02SJianbo Liu 48384ba8062SRoi Dayan struct mlx5_flow_handle * 48484ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 48584ba8062SRoi Dayan struct mlx5_flow_spec *spec, 48684ba8062SRoi Dayan struct mlx5_flow_attr *attr) 48784ba8062SRoi Dayan { 48884ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 489a8d52b02SJianbo Liu int err; 49084ba8062SRoi Dayan 49184ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 49284ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 49384ba8062SRoi Dayan 49484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 49573a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 49684ba8062SRoi Dayan 497a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 498a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 499a8d52b02SJianbo Liu if (err) 500a8d52b02SJianbo Liu return ERR_PTR(err); 501a8d52b02SJianbo Liu } 502a8d52b02SJianbo Liu 50384ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 50484ba8062SRoi Dayan } 50584ba8062SRoi Dayan 50684ba8062SRoi Dayan void 50784ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 508a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 50984ba8062SRoi Dayan struct mlx5_flow_attr *attr) 51084ba8062SRoi Dayan { 51184ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 51284ba8062SRoi Dayan 51384ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 51484ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 51584ba8062SRoi Dayan return; 51684ba8062SRoi Dayan } 51784ba8062SRoi Dayan 51884ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 51984ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 52084ba8062SRoi Dayan return; 52184ba8062SRoi Dayan } 52284ba8062SRoi Dayan 52384ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 524a8d52b02SJianbo Liu 525a8d52b02SJianbo Liu if (attr->meter_attr.meter) 5260d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(esw, attr); 52784ba8062SRoi Dayan } 52884ba8062SRoi Dayan 529c7b9038dSVlad Buslov int 530c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 531c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 532c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 533c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 534c7b9038dSVlad Buslov u32 data) 535c7b9038dSVlad Buslov { 536c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 537c7b9038dSVlad Buslov 538c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 539c7b9038dSVlad Buslov } 540c7b9038dSVlad Buslov 541c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 542c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 543c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 544c7b9038dSVlad Buslov int act_id, u32 data) 545c7b9038dSVlad Buslov { 546c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 547c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 548c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 549c7b9038dSVlad Buslov char *modact; 550c7b9038dSVlad Buslov 5512c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 552c7b9038dSVlad Buslov 553c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 554ed2fe7baSPaul Blakey if (mlen == 32) 555c7b9038dSVlad Buslov mlen = 0; 556c7b9038dSVlad Buslov 557c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 558c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 559ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 560ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 561c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 562c7b9038dSVlad Buslov } 563c7b9038dSVlad Buslov 56477ab67b7SOr Gerlitz struct mlx5e_hairpin { 56577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 56677ab67b7SOr Gerlitz 56777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5683f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 56977ab67b7SOr Gerlitz u32 tdn; 570a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5713f6d08d1SOr Gerlitz 5723f6d08d1SOr Gerlitz int num_channels; 5738a0594c0SGal Pressman u8 log_num_packets; 5743f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 575a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 576f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 57777ab67b7SOr Gerlitz }; 57877ab67b7SOr Gerlitz 5795c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5805c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5815c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 5825c65c564SOr Gerlitz 58373edca73SVlad Buslov /* protects flows list */ 58473edca73SVlad Buslov spinlock_t flows_lock; 5855c65c564SOr Gerlitz /* flows sharing the same hairpin */ 5865c65c564SOr Gerlitz struct list_head flows; 587db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 588db76ca24SVlad Buslov * function traversed them. 589db76ca24SVlad Buslov */ 590db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 5915c65c564SOr Gerlitz 592d8822868SOr Gerlitz u16 peer_vhca_id; 593106be53bSOr Gerlitz u8 prio; 5945c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 595e4f9abbdSVlad Buslov refcount_t refcnt; 596db76ca24SVlad Buslov struct completion res_ready; 5975c65c564SOr Gerlitz }; 5985c65c564SOr Gerlitz 5995a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 6005a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 6015a7e5bcbSVlad Buslov 6020d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 6035a7e5bcbSVlad Buslov { 6045a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 6055a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 6065a7e5bcbSVlad Buslov return flow; 6075a7e5bcbSVlad Buslov } 6085a7e5bcbSVlad Buslov 6090d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 6105a7e5bcbSVlad Buslov { 6115a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 6125a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 613c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 6145a7e5bcbSVlad Buslov } 6155a7e5bcbSVlad Buslov } 6165a7e5bcbSVlad Buslov 617aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 618226f2ca3SVlad Buslov { 619226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 620226f2ca3SVlad Buslov } 621226f2ca3SVlad Buslov 62267d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 62384179981SPaul Blakey { 62484179981SPaul Blakey return flow_flag_test(flow, FT); 62584179981SPaul Blakey } 62684179981SPaul Blakey 6270d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 628226f2ca3SVlad Buslov { 629226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 630226f2ca3SVlad Buslov } 631226f2ca3SVlad Buslov 632e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 633d2faae25SVlad Buslov { 634d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 635d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 636d2faae25SVlad Buslov } 637b2fdf3d0SPaul Blakey 6388facc02fSOz Shlomo static struct mlx5_core_dev * 6398facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 6408facc02fSOz Shlomo { 6418facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 6428facc02fSOz Shlomo } 6438facc02fSOz Shlomo 644b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 645b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 646b2fdf3d0SPaul Blakey { 647f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 648b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 649b2fdf3d0SPaul Blakey 650e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 651b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 652f52f2faeSLama Kayal &tc->mod_hdr; 653b2fdf3d0SPaul Blakey } 654b2fdf3d0SPaul Blakey 655ef78b8d5SRoi Dayan int mlx5e_tc_attach_mod_hdr(struct mlx5e_priv *priv, 65611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 65782b56480SRoi Dayan struct mlx5_flow_attr *attr) 65811c9c548SOr Gerlitz { 659b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 66011c9c548SOr Gerlitz 661b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 662e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 66382b56480SRoi Dayan &attr->parse_attr->mod_hdr_acts); 664b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 665b2fdf3d0SPaul Blakey return PTR_ERR(mh); 66611c9c548SOr Gerlitz 66782b56480SRoi Dayan WARN_ON(attr->modify_hdr); 66882b56480SRoi Dayan attr->modify_hdr = mlx5e_mod_hdr_get(mh); 66982b56480SRoi Dayan attr->mh = mh; 67011c9c548SOr Gerlitz 67111c9c548SOr Gerlitz return 0; 67211c9c548SOr Gerlitz } 67311c9c548SOr Gerlitz 674ef78b8d5SRoi Dayan void mlx5e_tc_detach_mod_hdr(struct mlx5e_priv *priv, 67582b56480SRoi Dayan struct mlx5e_tc_flow *flow, 67682b56480SRoi Dayan struct mlx5_flow_attr *attr) 67711c9c548SOr Gerlitz { 6785a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 67982b56480SRoi Dayan if (!attr->mh) 6805a7e5bcbSVlad Buslov return; 6815a7e5bcbSVlad Buslov 682b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 68382b56480SRoi Dayan attr->mh); 68482b56480SRoi Dayan attr->mh = NULL; 68511c9c548SOr Gerlitz } 68611c9c548SOr Gerlitz 68777ab67b7SOr Gerlitz static 68877ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 68977ab67b7SOr Gerlitz { 690b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 69177ab67b7SOr Gerlitz struct net_device *netdev; 69277ab67b7SOr Gerlitz struct mlx5e_priv *priv; 69377ab67b7SOr Gerlitz 694b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 695b1c2f631SDima Chumak if (!netdev) 696b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 697b1c2f631SDima Chumak 69877ab67b7SOr Gerlitz priv = netdev_priv(netdev); 699b1c2f631SDima Chumak mdev = priv->mdev; 700b1c2f631SDima Chumak dev_put(netdev); 701b1c2f631SDima Chumak 702b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 703b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 704b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 705b1c2f631SDima Chumak * 706b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 707b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 708b1c2f631SDima Chumak * removed. 709b1c2f631SDima Chumak * 710b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 711b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 712b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 713b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 714b1c2f631SDima Chumak */ 715b1c2f631SDima Chumak return mdev; 71677ab67b7SOr Gerlitz } 71777ab67b7SOr Gerlitz 71877ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 71977ab67b7SOr Gerlitz { 720a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 72177ab67b7SOr Gerlitz int err; 72277ab67b7SOr Gerlitz 723a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 724a6696735SMaxim Mikityanskiy if (!builder) 725a6696735SMaxim Mikityanskiy return -ENOMEM; 726a6696735SMaxim Mikityanskiy 72777ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 72877ab67b7SOr Gerlitz if (err) 729a6696735SMaxim Mikityanskiy goto out; 73077ab67b7SOr Gerlitz 731a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 732a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 73377ab67b7SOr Gerlitz if (err) 73477ab67b7SOr Gerlitz goto create_tir_err; 73577ab67b7SOr Gerlitz 736a6696735SMaxim Mikityanskiy out: 737a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 738a6696735SMaxim Mikityanskiy return err; 73977ab67b7SOr Gerlitz 74077ab67b7SOr Gerlitz create_tir_err: 74177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 742a6696735SMaxim Mikityanskiy 743a6696735SMaxim Mikityanskiy goto out; 74477ab67b7SOr Gerlitz } 74577ab67b7SOr Gerlitz 74677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 74777ab67b7SOr Gerlitz { 748a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 74977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 75077ab67b7SOr Gerlitz } 75177ab67b7SOr Gerlitz 7523f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7533f6d08d1SOr Gerlitz { 7543f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7553f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 75606e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 75706e9f13aSMaxim Mikityanskiy int err; 7583f6d08d1SOr Gerlitz 75906e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 76006e9f13aSMaxim Mikityanskiy if (!indir) 7613f6d08d1SOr Gerlitz return -ENOMEM; 7623f6d08d1SOr Gerlitz 76343befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 76406e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 76543ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 76643ec0f41SMaxim Mikityanskiy indir); 7673f6d08d1SOr Gerlitz 76806e9f13aSMaxim Mikityanskiy kvfree(indir); 7693f6d08d1SOr Gerlitz return err; 7703f6d08d1SOr Gerlitz } 7713f6d08d1SOr Gerlitz 7723f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7733f6d08d1SOr Gerlitz { 7743f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 77543ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 776d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 777a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 778a6696735SMaxim Mikityanskiy int err = 0; 779a6696735SMaxim Mikityanskiy 780a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 781a6696735SMaxim Mikityanskiy if (!builder) 782a6696735SMaxim Mikityanskiy return -ENOMEM; 783a6696735SMaxim Mikityanskiy 78443ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 7853f6d08d1SOr Gerlitz 7863f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 78765d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 788d930ac79SAya Levin 78965d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 7903f6d08d1SOr Gerlitz 791a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 792a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 793a6696735SMaxim Mikityanskiy false); 79443ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 795bbeb53b8SAya Levin 796a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 7973f6d08d1SOr Gerlitz if (err) { 7983f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 7993f6d08d1SOr Gerlitz goto err_destroy_tirs; 8003f6d08d1SOr Gerlitz } 801a6696735SMaxim Mikityanskiy 802a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 8033f6d08d1SOr Gerlitz } 804a6696735SMaxim Mikityanskiy 805a6696735SMaxim Mikityanskiy out: 806a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 807a6696735SMaxim Mikityanskiy return err; 8083f6d08d1SOr Gerlitz 8093f6d08d1SOr Gerlitz err_destroy_tirs: 810a6696735SMaxim Mikityanskiy max_tt = tt; 811a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 812a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 813a6696735SMaxim Mikityanskiy 814a6696735SMaxim Mikityanskiy goto out; 8153f6d08d1SOr Gerlitz } 8163f6d08d1SOr Gerlitz 8173f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 8183f6d08d1SOr Gerlitz { 8193f6d08d1SOr Gerlitz int tt; 8203f6d08d1SOr Gerlitz 8213f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 822a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 8233f6d08d1SOr Gerlitz } 8243f6d08d1SOr Gerlitz 8253f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 8263f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 8273f6d08d1SOr Gerlitz { 8283f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8293f6d08d1SOr Gerlitz int tt; 8303f6d08d1SOr Gerlitz 8313f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8323f6d08d1SOr Gerlitz 833bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 834bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 835bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 836bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 837bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 838bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 839bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 840bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 841bc29764eSMaor Gottlieb } 8423f6d08d1SOr Gerlitz 8433f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8443f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8453f6d08d1SOr Gerlitz } 8463f6d08d1SOr Gerlitz 8473f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8483f6d08d1SOr Gerlitz { 8493f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8503f6d08d1SOr Gerlitz struct ttc_params ttc_params; 851f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8523f6d08d1SOr Gerlitz int err; 8533f6d08d1SOr Gerlitz 8543f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8553f6d08d1SOr Gerlitz if (err) 8563f6d08d1SOr Gerlitz return err; 8573f6d08d1SOr Gerlitz 8583f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8593f6d08d1SOr Gerlitz if (err) 8603f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8613f6d08d1SOr Gerlitz 8623f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 863f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 864f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 865f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8663f6d08d1SOr Gerlitz goto err_create_ttc_table; 867f4b45940SMaor Gottlieb } 8683f6d08d1SOr Gerlitz 869f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8703f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 871f4b45940SMaor Gottlieb hp->num_channels, 872f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8733f6d08d1SOr Gerlitz 8743f6d08d1SOr Gerlitz return 0; 8753f6d08d1SOr Gerlitz 8763f6d08d1SOr Gerlitz err_create_ttc_table: 8773f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8783f6d08d1SOr Gerlitz err_create_indirect_tirs: 87906e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8803f6d08d1SOr Gerlitz 8813f6d08d1SOr Gerlitz return err; 8823f6d08d1SOr Gerlitz } 8833f6d08d1SOr Gerlitz 8843f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 8853f6d08d1SOr Gerlitz { 886f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 8873f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 88806e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8893f6d08d1SOr Gerlitz } 8903f6d08d1SOr Gerlitz 89177ab67b7SOr Gerlitz static struct mlx5e_hairpin * 89277ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 89377ab67b7SOr Gerlitz int peer_ifindex) 89477ab67b7SOr Gerlitz { 89577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 89677ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 89777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 89877ab67b7SOr Gerlitz int err; 89977ab67b7SOr Gerlitz 90077ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 90177ab67b7SOr Gerlitz if (!hp) 90277ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 90377ab67b7SOr Gerlitz 90477ab67b7SOr Gerlitz func_mdev = priv->mdev; 90577ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 906b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 907b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 908b1c2f631SDima Chumak goto create_pair_err; 909b1c2f631SDima Chumak } 91077ab67b7SOr Gerlitz 91177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 91277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 91377ab67b7SOr Gerlitz err = PTR_ERR(pair); 91477ab67b7SOr Gerlitz goto create_pair_err; 91577ab67b7SOr Gerlitz } 91677ab67b7SOr Gerlitz hp->pair = pair; 91777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 9183f6d08d1SOr Gerlitz hp->func_priv = priv; 9193f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 9208a0594c0SGal Pressman hp->log_num_packets = params->log_num_packets; 92177ab67b7SOr Gerlitz 92277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 92377ab67b7SOr Gerlitz if (err) 92477ab67b7SOr Gerlitz goto create_transport_err; 92577ab67b7SOr Gerlitz 9263f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 9273f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 9283f6d08d1SOr Gerlitz if (err) 9293f6d08d1SOr Gerlitz goto rss_init_err; 9303f6d08d1SOr Gerlitz } 9313f6d08d1SOr Gerlitz 93277ab67b7SOr Gerlitz return hp; 93377ab67b7SOr Gerlitz 9343f6d08d1SOr Gerlitz rss_init_err: 9353f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 93677ab67b7SOr Gerlitz create_transport_err: 93777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 93877ab67b7SOr Gerlitz create_pair_err: 93977ab67b7SOr Gerlitz kfree(hp); 94077ab67b7SOr Gerlitz return ERR_PTR(err); 94177ab67b7SOr Gerlitz } 94277ab67b7SOr Gerlitz 94377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 94477ab67b7SOr Gerlitz { 9453f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9463f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 94777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 94877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 94977ab67b7SOr Gerlitz kvfree(hp); 95077ab67b7SOr Gerlitz } 95177ab67b7SOr Gerlitz 952106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 953106be53bSOr Gerlitz { 954106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 955106be53bSOr Gerlitz } 956106be53bSOr Gerlitz 9575c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 958106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9595c65c564SOr Gerlitz { 960f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9615c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 962106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9635c65c564SOr Gerlitz 964f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 965106be53bSOr Gerlitz hairpin_hlist, hash_key) { 966e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 967e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9685c65c564SOr Gerlitz return hpe; 9695c65c564SOr Gerlitz } 970e4f9abbdSVlad Buslov } 9715c65c564SOr Gerlitz 9725c65c564SOr Gerlitz return NULL; 9735c65c564SOr Gerlitz } 9745c65c564SOr Gerlitz 975e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 976e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 977e4f9abbdSVlad Buslov { 978f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 979e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 980f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 981e4f9abbdSVlad Buslov return; 982b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 983f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 984e4f9abbdSVlad Buslov 985db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 986e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 987e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 988e4f9abbdSVlad Buslov 989e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 990db76ca24SVlad Buslov } 991db76ca24SVlad Buslov 992db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 993e4f9abbdSVlad Buslov kfree(hpe); 994e4f9abbdSVlad Buslov } 995e4f9abbdSVlad Buslov 996106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 997106be53bSOr Gerlitz 998106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 999e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 1000e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1001106be53bSOr Gerlitz { 1002106be53bSOr Gerlitz void *headers_c, *headers_v; 1003106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 1004106be53bSOr Gerlitz bool vlan_present; 1005106be53bSOr Gerlitz 1006106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 1007106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 1008e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1009e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 1010106be53bSOr Gerlitz return -EOPNOTSUPP; 1011106be53bSOr Gerlitz } 1012106be53bSOr Gerlitz #endif 1013106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 1014106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1015106be53bSOr Gerlitz 1016106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 1017106be53bSOr Gerlitz if (vlan_present) { 1018106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 1019106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 1020106be53bSOr Gerlitz } 1021106be53bSOr Gerlitz 1022106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 1023106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 1024106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 1025e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1026e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 1027106be53bSOr Gerlitz return -EOPNOTSUPP; 1028106be53bSOr Gerlitz } 1029106be53bSOr Gerlitz 1030106be53bSOr Gerlitz *match_prio = prio_val; 1031106be53bSOr Gerlitz return 0; 1032106be53bSOr Gerlitz } 1033106be53bSOr Gerlitz 10340e414518SGal Pressman static int debugfs_hairpin_num_active_get(void *data, u64 *val) 10350e414518SGal Pressman { 10360e414518SGal Pressman struct mlx5e_tc_table *tc = data; 10370e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 10380e414518SGal Pressman u32 cnt = 0; 10390e414518SGal Pressman u32 bkt; 10400e414518SGal Pressman 10410e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 10420e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 10430e414518SGal Pressman cnt++; 10440e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 10450e414518SGal Pressman 10460e414518SGal Pressman *val = cnt; 10470e414518SGal Pressman 10480e414518SGal Pressman return 0; 10490e414518SGal Pressman } 10500e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_num_active, 10510e414518SGal Pressman debugfs_hairpin_num_active_get, NULL, "%llu\n"); 10520e414518SGal Pressman 10530e414518SGal Pressman static int debugfs_hairpin_table_dump_show(struct seq_file *file, void *priv) 10540e414518SGal Pressman 10550e414518SGal Pressman { 10560e414518SGal Pressman struct mlx5e_tc_table *tc = file->private; 10570e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 10580e414518SGal Pressman u32 bkt; 10590e414518SGal Pressman 10600e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 10610e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 10628a0594c0SGal Pressman seq_printf(file, 10638a0594c0SGal Pressman "Hairpin peer_vhca_id %u prio %u refcnt %u num_channels %u num_packets %lu\n", 10640e414518SGal Pressman hpe->peer_vhca_id, hpe->prio, 10658a0594c0SGal Pressman refcount_read(&hpe->refcnt), hpe->hp->num_channels, 10668a0594c0SGal Pressman BIT(hpe->hp->log_num_packets)); 10670e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 10680e414518SGal Pressman 10690e414518SGal Pressman return 0; 10700e414518SGal Pressman } 10710e414518SGal Pressman DEFINE_SHOW_ATTRIBUTE(debugfs_hairpin_table_dump); 10720e414518SGal Pressman 10730e414518SGal Pressman static void mlx5e_tc_debugfs_init(struct mlx5e_tc_table *tc, 10740e414518SGal Pressman struct dentry *dfs_root) 10750e414518SGal Pressman { 10760e414518SGal Pressman if (IS_ERR_OR_NULL(dfs_root)) 10770e414518SGal Pressman return; 10780e414518SGal Pressman 10790e414518SGal Pressman tc->dfs_root = debugfs_create_dir("tc", dfs_root); 10800e414518SGal Pressman 10810e414518SGal Pressman debugfs_create_file("hairpin_num_active", 0444, tc->dfs_root, tc, 10820e414518SGal Pressman &fops_hairpin_num_active); 10830e414518SGal Pressman debugfs_create_file("hairpin_table_dump", 0444, tc->dfs_root, tc, 10840e414518SGal Pressman &debugfs_hairpin_table_dump_fops); 10850e414518SGal Pressman } 10860e414518SGal Pressman 10875c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 10885c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1089e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1090e98bedf5SEli Britstein struct netlink_ext_ack *extack) 10915c65c564SOr Gerlitz { 1092f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 10931bffcea4SGal Pressman struct devlink *devlink = priv_to_devlink(priv->mdev); 109498b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 10951bffcea4SGal Pressman union devlink_param_value val = {}; 10965c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1097d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 10985c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 10995c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1100106be53bSOr Gerlitz u8 match_prio; 1101d8822868SOr Gerlitz u16 peer_id; 11025c65c564SOr Gerlitz int err; 11035c65c564SOr Gerlitz 1104d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1105b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1106b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1107b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1108b1c2f631SDima Chumak } 1109b1c2f631SDima Chumak 1110d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1111e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 11125c65c564SOr Gerlitz return -EOPNOTSUPP; 11135c65c564SOr Gerlitz } 11145c65c564SOr Gerlitz 1115d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1116e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1117e98bedf5SEli Britstein extack); 1118106be53bSOr Gerlitz if (err) 1119106be53bSOr Gerlitz return err; 1120b32accdaSVlad Buslov 1121f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1122106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1123db76ca24SVlad Buslov if (hpe) { 1124f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1125db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1126db76ca24SVlad Buslov 1127db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1128db76ca24SVlad Buslov err = -EREMOTEIO; 1129db76ca24SVlad Buslov goto out_err; 1130db76ca24SVlad Buslov } 11315c65c564SOr Gerlitz goto attach_flow; 1132db76ca24SVlad Buslov } 11335c65c564SOr Gerlitz 11345c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1135b32accdaSVlad Buslov if (!hpe) { 1136f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1137db76ca24SVlad Buslov return -ENOMEM; 1138b32accdaSVlad Buslov } 11395c65c564SOr Gerlitz 114073edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 11415c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1142db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1143d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1144106be53bSOr Gerlitz hpe->prio = match_prio; 1145e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1146db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1147db76ca24SVlad Buslov 1148f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1149db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1150f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 11515c65c564SOr Gerlitz 11521bffcea4SGal Pressman err = devl_param_driverinit_value_get( 11531bffcea4SGal Pressman devlink, MLX5_DEVLINK_PARAM_ID_HAIRPIN_QUEUE_SIZE, &val); 11541bffcea4SGal Pressman if (err) { 11551bffcea4SGal Pressman err = -ENOMEM; 11561bffcea4SGal Pressman goto out_err; 11571bffcea4SGal Pressman } 11581bffcea4SGal Pressman 11591bffcea4SGal Pressman params.log_num_packets = ilog2(val.vu32); 11601a803472SGal Pressman params.log_data_size = 11611a803472SGal Pressman clamp_t(u32, 11621a803472SGal Pressman params.log_num_packets + 11631a803472SGal Pressman MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev), 116494581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 11655c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1166eb9180f7SOr Gerlitz 1167eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 11681bffcea4SGal Pressman err = devl_param_driverinit_value_get( 11691bffcea4SGal Pressman devlink, MLX5_DEVLINK_PARAM_ID_HAIRPIN_NUM_QUEUES, &val); 11701bffcea4SGal Pressman if (err) { 11711bffcea4SGal Pressman err = -ENOMEM; 11721bffcea4SGal Pressman goto out_err; 11731bffcea4SGal Pressman } 11741bffcea4SGal Pressman 11751bffcea4SGal Pressman params.num_channels = val.vu32; 11763f6d08d1SOr Gerlitz 11775c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1178db76ca24SVlad Buslov hpe->hp = hp; 1179db76ca24SVlad Buslov complete_all(&hpe->res_ready); 11805c65c564SOr Gerlitz if (IS_ERR(hp)) { 11815c65c564SOr Gerlitz err = PTR_ERR(hp); 1182db76ca24SVlad Buslov goto out_err; 11835c65c564SOr Gerlitz } 11845c65c564SOr Gerlitz 1185eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1186a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 118727b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1188eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 11895c65c564SOr Gerlitz 11905c65c564SOr Gerlitz attach_flow: 11913f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1192226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1193f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1194f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 11953f6d08d1SOr Gerlitz } else { 1196a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 11973f6d08d1SOr Gerlitz } 1198b32accdaSVlad Buslov 1199e4f9abbdSVlad Buslov flow->hpe = hpe; 120073edca73SVlad Buslov spin_lock(&hpe->flows_lock); 12015c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 120273edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 12033f6d08d1SOr Gerlitz 12045c65c564SOr Gerlitz return 0; 12055c65c564SOr Gerlitz 1206db76ca24SVlad Buslov out_err: 1207db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 12085c65c564SOr Gerlitz return err; 12095c65c564SOr Gerlitz } 12105c65c564SOr Gerlitz 12115c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 12125c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 12135c65c564SOr Gerlitz { 12145a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1215e4f9abbdSVlad Buslov if (!flow->hpe) 12165a7e5bcbSVlad Buslov return; 12175a7e5bcbSVlad Buslov 121873edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 12195c65c564SOr Gerlitz list_del(&flow->hairpin); 122073edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 122173edca73SVlad Buslov 1222e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1223e4f9abbdSVlad Buslov flow->hpe = NULL; 12245c65c564SOr Gerlitz } 12255c65c564SOr Gerlitz 122608247066SAriel Levkovich struct mlx5_flow_handle * 122708247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 122808247066SAriel Levkovich struct mlx5_flow_spec *spec, 1229c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1230e8f887acSAmir Vadai { 123108247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1232f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1233f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1234c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 12355c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 123623bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 123766958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 12383bc4b7bfSOr Gerlitz .action = attr->action, 1239bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 124066958ed9SHadar Hen Zion }; 124108247066SAriel Levkovich struct mlx5_flow_handle *rule; 1242c7569097SAriel Levkovich struct mlx5_flow_table *ft; 124308247066SAriel Levkovich int dest_ix = 0; 1244e8f887acSAmir Vadai 124523bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1246bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1247c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1248bb0ee7dcSJianbo Liu 1249aedd133dSAriel Levkovich if (attr->dest_ft) { 1250aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1251aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1252aedd133dSAriel Levkovich dest_ix++; 1253aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 12543f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1255c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 125608247066SAriel Levkovich dest_ix++; 1257c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 12585c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1259c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 12603f6d08d1SOr Gerlitz dest_ix++; 12613f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 12625c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1263c7569097SAriel Levkovich if (attr->dest_chain) { 1264c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1265c7569097SAriel Levkovich attr->dest_chain, 1, 1266c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1267c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1268c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1269c7569097SAriel Levkovich } else { 1270f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1271c7569097SAriel Levkovich } 12725c65c564SOr Gerlitz dest_ix++; 12735c65c564SOr Gerlitz } 1274aad7e08dSAmir Vadai 1275c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1276c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1277c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1278c7569097SAriel Levkovich 127908247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 12805c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 128108247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 12825c65c564SOr Gerlitz dest_ix++; 1283aad7e08dSAmir Vadai } 1284aad7e08dSAmir Vadai 128508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12862b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 12872f4fe4caSOr Gerlitz 12886a064674SAriel Levkovich mutex_lock(&tc->t_lock); 12896a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 12906a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 12916a064674SAriel Levkovich tc->t = 1292c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 129321b9c144SOr Gerlitz 12946a064674SAriel Levkovich if (IS_ERR(tc->t)) { 12956a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1296e8f887acSAmir Vadai netdev_err(priv->netdev, 1297e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1298f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1299c7569097SAriel Levkovich goto err_ft_get; 1300e8f887acSAmir Vadai } 1301e8f887acSAmir Vadai } 130208247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1303e8f887acSAmir Vadai 1304aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1305c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1306c7569097SAriel Levkovich attr->chain, attr->prio, 1307c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1308aedd133dSAriel Levkovich else 1309aedd133dSAriel Levkovich ft = attr->ft; 1310aedd133dSAriel Levkovich 1311c7569097SAriel Levkovich if (IS_ERR(ft)) { 1312c7569097SAriel Levkovich rule = ERR_CAST(ft); 1313c7569097SAriel Levkovich goto err_ft_get; 1314c7569097SAriel Levkovich } 1315c7569097SAriel Levkovich 1316c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 131708247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 131838aa51c1SOr Gerlitz 1319c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 13205c65c564SOr Gerlitz &flow_act, dest, dest_ix); 132108247066SAriel Levkovich if (IS_ERR(rule)) 1322c7569097SAriel Levkovich goto err_rule; 132308247066SAriel Levkovich 132408247066SAriel Levkovich return rule; 1325c7569097SAriel Levkovich 1326c7569097SAriel Levkovich err_rule: 1327aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1328c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1329c7569097SAriel Levkovich attr->chain, attr->prio, 1330c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1331c7569097SAriel Levkovich err_ft_get: 1332c7569097SAriel Levkovich if (attr->dest_chain) 1333c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1334c7569097SAriel Levkovich attr->dest_chain, 1, 1335c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1336c7569097SAriel Levkovich 1337c7569097SAriel Levkovich return ERR_CAST(rule); 133808247066SAriel Levkovich } 133908247066SAriel Levkovich 134008247066SAriel Levkovich static int 1341df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1342df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1343df67ad62SRoi Dayan 1344df67ad62SRoi Dayan { 1345df67ad62SRoi Dayan struct mlx5_fc *counter; 1346df67ad62SRoi Dayan 1347df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1348df67ad62SRoi Dayan if (IS_ERR(counter)) 1349df67ad62SRoi Dayan return PTR_ERR(counter); 1350df67ad62SRoi Dayan 1351df67ad62SRoi Dayan attr->counter = counter; 1352df67ad62SRoi Dayan return 0; 1353df67ad62SRoi Dayan } 1354df67ad62SRoi Dayan 1355df67ad62SRoi Dayan static int 135608247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 135708247066SAriel Levkovich struct mlx5e_tc_flow *flow, 135808247066SAriel Levkovich struct netlink_ext_ack *extack) 135908247066SAriel Levkovich { 1360c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1361c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 136208247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 136308247066SAriel Levkovich int err; 136408247066SAriel Levkovich 1365c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1366c6cfe113SRoi Dayan 136708247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 136808247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 136908247066SAriel Levkovich if (err) 137008247066SAriel Levkovich return err; 137108247066SAriel Levkovich } 137208247066SAriel Levkovich 137308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1374df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1375df67ad62SRoi Dayan if (err) 1376df67ad62SRoi Dayan return err; 137708247066SAriel Levkovich } 137808247066SAriel Levkovich 137908247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1380c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(priv, flow, attr); 138108247066SAriel Levkovich if (err) 138208247066SAriel Levkovich return err; 138308247066SAriel Levkovich } 138408247066SAriel Levkovich 138508fe94ecSPaul Blakey flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, attr); 1386a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1387e8f887acSAmir Vadai } 1388e8f887acSAmir Vadai 138908247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1390c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1391c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 139208247066SAriel Levkovich { 1393f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1394f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1395c7569097SAriel Levkovich 1396f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 139708247066SAriel Levkovich mlx5_del_flow_rules(rule); 1398c7569097SAriel Levkovich 1399aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1400c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1401c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1402c7569097SAriel Levkovich 1403c7569097SAriel Levkovich if (attr->dest_chain) 1404c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1405c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 140608247066SAriel Levkovich } 140708247066SAriel Levkovich 1408d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1409d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1410d85cdccbSOr Gerlitz { 1411f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1412c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1413d85cdccbSOr Gerlitz 1414c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1415c7569097SAriel Levkovich 141608fe94ecSPaul Blakey if (!IS_ERR_OR_NULL(flow->rule[0])) 1417aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1418aedd133dSAriel Levkovich 1419c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1420c7569097SAriel Levkovich * extra steering hops. 1421c7569097SAriel Levkovich */ 1422f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 14236a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 14246a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 142523bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1426f52f2faeSLama Kayal tc->t = NULL; 1427d85cdccbSOr Gerlitz } 1428f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 14292f4fe4caSOr Gerlitz 14305e72f3f1SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 14315e72f3f1SAriel Levkovich mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 1432c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 14335e72f3f1SAriel Levkovich } 14345c65c564SOr Gerlitz 1435972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1436aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1437aedd133dSAriel Levkovich 1438226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 14395c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1440c620b772SAriel Levkovich 14418300f225SRoi Dayan free_flow_post_acts(flow); 1442fb7be476SChris Mi mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 14438300f225SRoi Dayan 144488d97486SRoi Dayan kvfree(attr->parse_attr); 1445c620b772SAriel Levkovich kfree(flow->attr); 1446d85cdccbSOr Gerlitz } 1447d85cdccbSOr Gerlitz 14480d9f9647SVlad Buslov struct mlx5_flow_handle * 14496d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 14506d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 14516d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1452c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14536d2a3ed0SOr Gerlitz { 14546d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14554c3844d9SPaul Blakey 1456e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 145789e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 145889e39467SPaul Blakey 1459a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 14606d2a3ed0SOr Gerlitz 14616d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 14626d2a3ed0SOr Gerlitz return rule; 14636d2a3ed0SOr Gerlitz 1464c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 14656d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 146684ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 146784ba8062SRoi Dayan goto err_rule1; 14686d2a3ed0SOr Gerlitz } 14696d2a3ed0SOr Gerlitz 14706d2a3ed0SOr Gerlitz return rule; 147184ba8062SRoi Dayan 147284ba8062SRoi Dayan err_rule1: 1473a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 147484ba8062SRoi Dayan return flow->rule[1]; 14756d2a3ed0SOr Gerlitz } 14766d2a3ed0SOr Gerlitz 14770d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 14786d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1479c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14806d2a3ed0SOr Gerlitz { 1481226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 14826d2a3ed0SOr Gerlitz 1483e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 148484ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 148589e39467SPaul Blakey 1486c620b772SAriel Levkovich if (attr->esw_attr->split_count) 14876d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 14886d2a3ed0SOr Gerlitz 1489a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 14906d2a3ed0SOr Gerlitz } 14916d2a3ed0SOr Gerlitz 14920d9f9647SVlad Buslov struct mlx5_flow_handle * 14935dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 14945dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1495178f69b4SEli Cohen struct mlx5_flow_spec *spec) 14965dbe906fSPaul Blakey { 14978dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 14988dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1499c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 15005dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15018dc47c05SPaul Blakey bool fwd_and_modify_cap; 15028dc47c05SPaul Blakey u32 chain_mapping = 0; 15038dc47c05SPaul Blakey int err; 15045dbe906fSPaul Blakey 1505c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1506c620b772SAriel Levkovich if (!slow_attr) 1507c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 15085dbe906fSPaul Blakey 1509c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1510c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1511c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1512e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1513c620b772SAriel Levkovich 15148dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 15158dc47c05SPaul Blakey if (!fwd_and_modify_cap) 15168dc47c05SPaul Blakey goto skip_restore; 15178dc47c05SPaul Blakey 15188dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 15198dc47c05SPaul Blakey if (err) 15208dc47c05SPaul Blakey goto err_get_chain; 15218dc47c05SPaul Blakey 15228dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 1523235ff07dSPaul Blakey MAPPED_OBJ_TO_REG, chain_mapping); 15248dc47c05SPaul Blakey if (err) 15258dc47c05SPaul Blakey goto err_reg_set; 15268dc47c05SPaul Blakey 15278dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 15288dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 15298dc47c05SPaul Blakey if (IS_ERR(mh)) { 15308dc47c05SPaul Blakey err = PTR_ERR(mh); 15318dc47c05SPaul Blakey goto err_attach; 15328dc47c05SPaul Blakey } 15338dc47c05SPaul Blakey 15348dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 15358dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 15368dc47c05SPaul Blakey 15378dc47c05SPaul Blakey skip_restore: 1538c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 15398dc47c05SPaul Blakey if (IS_ERR(rule)) { 15408dc47c05SPaul Blakey err = PTR_ERR(rule); 15418dc47c05SPaul Blakey goto err_offload; 15428dc47c05SPaul Blakey } 15438dc47c05SPaul Blakey 154482b56480SRoi Dayan flow->attr->slow_mh = mh; 15458dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1546226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 15475dbe906fSPaul Blakey 15488dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1549c620b772SAriel Levkovich kfree(slow_attr); 1550c620b772SAriel Levkovich 15515dbe906fSPaul Blakey return rule; 15528dc47c05SPaul Blakey 15538dc47c05SPaul Blakey err_offload: 15548dc47c05SPaul Blakey if (fwd_and_modify_cap) 15558dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 15568dc47c05SPaul Blakey err_attach: 15578dc47c05SPaul Blakey err_reg_set: 15588dc47c05SPaul Blakey if (fwd_and_modify_cap) 15598dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 15608dc47c05SPaul Blakey err_get_chain: 15618dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 15628dc47c05SPaul Blakey kfree(slow_attr); 15638dc47c05SPaul Blakey return ERR_PTR(err); 15645dbe906fSPaul Blakey } 15655dbe906fSPaul Blakey 15660d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1567178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 15685dbe906fSPaul Blakey { 156982b56480SRoi Dayan struct mlx5e_mod_hdr_handle *slow_mh = flow->attr->slow_mh; 1570c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1571178f69b4SEli Cohen 1572c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 15735efbe617SAriel Levkovich if (!slow_attr) { 15745efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 15755efbe617SAriel Levkovich return; 15765efbe617SAriel Levkovich } 1577c620b772SAriel Levkovich 1578c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1579c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1580c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1581e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 158282b56480SRoi Dayan if (slow_mh) { 15838dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 158482b56480SRoi Dayan slow_attr->modify_hdr = mlx5e_mod_hdr_get(slow_mh); 15858dc47c05SPaul Blakey } 1586c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 158782b56480SRoi Dayan if (slow_mh) { 158882b56480SRoi Dayan mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), slow_mh); 15898dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 15908dc47c05SPaul Blakey flow->chain_mapping = 0; 159182b56480SRoi Dayan flow->attr->slow_mh = NULL; 15928dc47c05SPaul Blakey } 1593226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1594c620b772SAriel Levkovich kfree(slow_attr); 15955dbe906fSPaul Blakey } 15965dbe906fSPaul Blakey 1597ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1598ad86755bSVlad Buslov * function. 1599ad86755bSVlad Buslov */ 1600ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1601ad86755bSVlad Buslov struct list_head *unready_flows) 1602ad86755bSVlad Buslov { 1603ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1604ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1605ad86755bSVlad Buslov } 1606ad86755bSVlad Buslov 1607ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1608ad86755bSVlad Buslov * function. 1609ad86755bSVlad Buslov */ 1610ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1611ad86755bSVlad Buslov { 1612ad86755bSVlad Buslov list_del(&flow->unready); 1613ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1614ad86755bSVlad Buslov } 1615ad86755bSVlad Buslov 1616b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1617b4a23329SRoi Dayan { 1618b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1619b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1620b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1621b4a23329SRoi Dayan 1622b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1623b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1624b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1625b4a23329SRoi Dayan 1626ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1627ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1628ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1629b4a23329SRoi Dayan } 1630b4a23329SRoi Dayan 1631b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1632b4a23329SRoi Dayan { 1633ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1634ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1635ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1636ad86755bSVlad Buslov 1637ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1638ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1639ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1640ad86755bSVlad Buslov 1641ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 164265e64640SVlad Buslov if (flow_flag_test(flow, NOT_READY)) 1643ad86755bSVlad Buslov unready_flow_del(flow); 1644ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1645b4a23329SRoi Dayan } 1646b4a23329SRoi Dayan 1647a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 164810742efcSVlad Buslov { 164910742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 165010742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 165110742efcSVlad Buslov 165210742efcSVlad Buslov out_priv = netdev_priv(out_dev); 165310742efcSVlad Buslov out_mdev = out_priv->mdev; 165410742efcSVlad Buslov route_priv = netdev_priv(route_dev); 165510742efcSVlad Buslov route_mdev = route_priv->mdev; 165610742efcSVlad Buslov 165772e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 165872e0bcd1SRoi Dayan return false; 165972e0bcd1SRoi Dayan 166072e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 166172e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 166210742efcSVlad Buslov return false; 166310742efcSVlad Buslov 1664ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 166510742efcSVlad Buslov } 166610742efcSVlad Buslov 1667a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 166810742efcSVlad Buslov { 166910742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 167010742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 16710af3613dSMark Bloch struct mlx5_devcom *devcom; 167210742efcSVlad Buslov struct mlx5_eswitch *esw; 167310742efcSVlad Buslov u16 vhca_id; 16740af3613dSMark Bloch int err; 167590ca127cSSaeed Mahameed int i; 167610742efcSVlad Buslov 167710742efcSVlad Buslov out_priv = netdev_priv(out_dev); 167810742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 167910742efcSVlad Buslov route_priv = netdev_priv(route_dev); 168010742efcSVlad Buslov route_mdev = route_priv->mdev; 168110742efcSVlad Buslov 168210742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 168310742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 16840af3613dSMark Bloch if (!err) 16850af3613dSMark Bloch return err; 16860af3613dSMark Bloch 16870af3613dSMark Bloch if (!mlx5_lag_is_active(out_priv->mdev)) 1688f9d196bdSDmytro Linkin return err; 1689f9d196bdSDmytro Linkin 1690691c041bSVlad Buslov rcu_read_lock(); 1691f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 169290ca127cSSaeed Mahameed err = -ENODEV; 169390ca127cSSaeed Mahameed mlx5_devcom_for_each_peer_entry_rcu(devcom, MLX5_DEVCOM_ESW_OFFLOADS, 169490ca127cSSaeed Mahameed esw, i) { 169590ca127cSSaeed Mahameed err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 169690ca127cSSaeed Mahameed if (!err) 169790ca127cSSaeed Mahameed break; 169890ca127cSSaeed Mahameed } 1699691c041bSVlad Buslov rcu_read_unlock(); 1700691c041bSVlad Buslov 1701691c041bSVlad Buslov return err; 1702f9d196bdSDmytro Linkin } 1703f9d196bdSDmytro Linkin 1704c83954abSRabie Loulou static int 170564426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 170664426382SOz Shlomo { 170764426382SOz Shlomo if (!(actions & 170864426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 170964426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 171064426382SOz Shlomo return -EOPNOTSUPP; 171164426382SOz Shlomo } 171264426382SOz Shlomo 171364426382SOz Shlomo if (!(~actions & 171464426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 171564426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 171664426382SOz Shlomo return -EOPNOTSUPP; 171764426382SOz Shlomo } 171864426382SOz Shlomo 171964426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 172064426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 172164426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 172264426382SOz Shlomo return -EOPNOTSUPP; 172364426382SOz Shlomo } 172464426382SOz Shlomo 172564426382SOz Shlomo return 0; 172664426382SOz Shlomo } 172764426382SOz Shlomo 1728*93a33193SChris Mi static bool 1729*93a33193SChris Mi has_encap_dests(struct mlx5_flow_attr *attr) 1730*93a33193SChris Mi { 1731*93a33193SChris Mi struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 1732*93a33193SChris Mi int out_index; 1733*93a33193SChris Mi 1734*93a33193SChris Mi for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 1735*93a33193SChris Mi if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 1736*93a33193SChris Mi return true; 1737*93a33193SChris Mi 1738*93a33193SChris Mi return false; 1739*93a33193SChris Mi } 1740*93a33193SChris Mi 174164426382SOz Shlomo static int 17428facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 17438facc02fSOz Shlomo struct mlx5_flow_attr *attr, 17448facc02fSOz Shlomo struct netlink_ext_ack *extack) 17458facc02fSOz Shlomo { 17468facc02fSOz Shlomo bool vf_tun; 17478facc02fSOz Shlomo int err = 0; 17488facc02fSOz Shlomo 174964426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 175064426382SOz Shlomo if (err) 175164426382SOz Shlomo goto err_out; 175264426382SOz Shlomo 1753*93a33193SChris Mi if (mlx5e_is_eswitch_flow(flow) && has_encap_dests(attr)) { 1754e2ab5aa1SChris Mi err = mlx5e_tc_tun_encap_dests_set(flow->priv, flow, attr, extack, &vf_tun); 17558facc02fSOz Shlomo if (err) 17568facc02fSOz Shlomo goto err_out; 1757*93a33193SChris Mi } 17588facc02fSOz Shlomo 17598facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1760c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr); 17618facc02fSOz Shlomo if (err) 17628facc02fSOz Shlomo goto err_out; 17638facc02fSOz Shlomo } 17648facc02fSOz Shlomo 1765f86488cbSOz Shlomo if (attr->branch_true && 1766f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1767ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_true); 1768f86488cbSOz Shlomo if (err) 1769f86488cbSOz Shlomo goto err_out; 1770f86488cbSOz Shlomo } 1771f86488cbSOz Shlomo 1772f86488cbSOz Shlomo if (attr->branch_false && 1773f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1774ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_false); 1775f86488cbSOz Shlomo if (err) 1776f86488cbSOz Shlomo goto err_out; 1777f86488cbSOz Shlomo } 1778f86488cbSOz Shlomo 17798facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 17808facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 17818facc02fSOz Shlomo if (err) 17828facc02fSOz Shlomo goto err_out; 17838facc02fSOz Shlomo } 17848facc02fSOz Shlomo 17858facc02fSOz Shlomo err_out: 17868facc02fSOz Shlomo return err; 17878facc02fSOz Shlomo } 17888facc02fSOz Shlomo 17898facc02fSOz Shlomo static int 179074491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1791e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1792e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1793adb4c123SOr Gerlitz { 1794adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1795c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1796c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1797c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 179839ac237cSPaul Blakey u32 max_prio, max_chain; 17990ad060eeSRoi Dayan int err = 0; 18008b32580dSOr Gerlitz 1801b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1802b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1803b16eb3c8SAriel Levkovich 180484179981SPaul Blakey /* We check chain range only for tc flows. 180584179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 180684179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 180784179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 180884179981SPaul Blakey */ 1809ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 181084179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 181161644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 181261644c3dSRoi Dayan "Requested chain is out of supported range"); 18138914add2SVlad Buslov err = -EOPNOTSUPP; 18148914add2SVlad Buslov goto err_out; 1815bf07aa73SPaul Blakey } 1816bf07aa73SPaul Blakey 1817ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1818bf07aa73SPaul Blakey if (attr->prio > max_prio) { 181961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 182061644c3dSRoi Dayan "Requested priority is out of supported range"); 18218914add2SVlad Buslov err = -EOPNOTSUPP; 18228914add2SVlad Buslov goto err_out; 1823bf07aa73SPaul Blakey } 1824bf07aa73SPaul Blakey 1825777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1826777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1827777bb800SVlad Buslov if (err) 18288914add2SVlad Buslov goto err_out; 1829b16eb3c8SAriel Levkovich 18305b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 18315b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1832b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1833b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1834b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1835b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1836b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1837b16eb3c8SAriel Levkovich * from the proper chain. 1838b16eb3c8SAriel Levkovich */ 1839b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1840b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1841b16eb3c8SAriel Levkovich 1842b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1843b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1844b16eb3c8SAriel Levkovich metadata); 1845b16eb3c8SAriel Levkovich if (err) 184631108d14SChristophe JAILLET goto err_out; 1847077cdda7SRoi Dayan 1848077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1849b16eb3c8SAriel Levkovich } 1850777bb800SVlad Buslov } 1851777bb800SVlad Buslov 185214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 185314e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 185414e6b038SEli Cohen if (err) 18558914add2SVlad Buslov goto err_out; 185614e6b038SEli Cohen } 185714e6b038SEli Cohen 1858166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1859166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1860166f431eSAriel Levkovich 1861166f431eSAriel Levkovich if (attr->chain) { 1862166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1863166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 186431108d14SChristophe JAILLET err = -EOPNOTSUPP; 186531108d14SChristophe JAILLET goto err_out; 1866166f431eSAriel Levkovich } 1867166f431eSAriel Levkovich 1868166f431eSAriel Levkovich if (attr->dest_chain) { 1869166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1870166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 187131108d14SChristophe JAILLET err = -EOPNOTSUPP; 187231108d14SChristophe JAILLET goto err_out; 1873166f431eSAriel Levkovich } 1874166f431eSAriel Levkovich 1875166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1876166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1877166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1878166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1879166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 188031108d14SChristophe JAILLET if (IS_ERR(int_port)) { 188131108d14SChristophe JAILLET err = PTR_ERR(int_port); 188231108d14SChristophe JAILLET goto err_out; 188331108d14SChristophe JAILLET } 1884166f431eSAriel Levkovich 1885166f431eSAriel Levkovich esw_attr->int_port = int_port; 1886166f431eSAriel Levkovich } 1887166f431eSAriel Levkovich 1888ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 18890ad060eeSRoi Dayan if (err) 18908914add2SVlad Buslov goto err_out; 18910ad060eeSRoi Dayan 1892d13674b1SOz Shlomo err = mlx5e_tc_act_stats_add_flow(get_act_stats_handle(priv), flow); 1893d13674b1SOz Shlomo if (err) 1894d13674b1SOz Shlomo goto err_out; 1895d13674b1SOz Shlomo 18960ad060eeSRoi Dayan /* we get here if one of the following takes place: 18970ad060eeSRoi Dayan * (1) there's no error 18980ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 18993c37745eSOr Gerlitz */ 1900f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 1901178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1902bc1d75faSRoi Dayan else 19036d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 19045dbe906fSPaul Blakey 19058914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 19068914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 19078914add2SVlad Buslov goto err_out; 19088914add2SVlad Buslov } 1909226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1910c83954abSRabie Loulou 19115dbe906fSPaul Blakey return 0; 19128914add2SVlad Buslov 19138914add2SVlad Buslov err_out: 19148914add2SVlad Buslov flow_flag_set(flow, FAILED); 19158914add2SVlad Buslov return err; 1916aa0cbbaeSOr Gerlitz } 1917d85cdccbSOr Gerlitz 19189272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 19199272e3dfSYevgeny Kliteynik { 1920c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 19219272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 19229272e3dfSYevgeny Kliteynik spec->match_value, 19239272e3dfSYevgeny Kliteynik misc_parameters_3); 19249272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 19259272e3dfSYevgeny Kliteynik headers_v, 19269272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 19279272e3dfSYevgeny Kliteynik 19289272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 19299272e3dfSYevgeny Kliteynik } 19309272e3dfSYevgeny Kliteynik 1931f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 1932f86488cbSOz Shlomo { 1933f86488cbSOz Shlomo if (!attr) 1934f86488cbSOz Shlomo return; 1935f86488cbSOz Shlomo 1936a830ec48SPaul Blakey mlx5_free_flow_attr_actions(flow, attr); 1937f86488cbSOz Shlomo kvfree(attr->parse_attr); 1938f86488cbSOz Shlomo kfree(attr); 1939f86488cbSOz Shlomo } 1940f86488cbSOz Shlomo 1941d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1942d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1943d85cdccbSOr Gerlitz { 1944d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1945c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1946777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 1947d85cdccbSOr Gerlitz 1948777bb800SVlad Buslov esw_attr = attr->esw_attr; 19490a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 19500a7fcb78SPaul Blakey 1951b4a23329SRoi Dayan remove_unready_flow(flow); 1952ef06c9eeSRoi Dayan 1953226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1954226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1955178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 19565dbe906fSPaul Blakey else 19575dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 19585dbe906fSPaul Blakey } 1959362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1960d85cdccbSOr Gerlitz 19619272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 19629272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 19639272e3dfSYevgeny Kliteynik 1964777bb800SVlad Buslov if (flow->decap_route) 1965777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1966777bb800SVlad Buslov 1967aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 19684c8594adSRoi Dayan 1969166f431eSAriel Levkovich if (esw_attr->int_port) 1970166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1971166f431eSAriel Levkovich 197227484f71SAriel Levkovich if (esw_attr->dest_int_port) 197327484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 197427484f71SAriel Levkovich 197514e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 197614e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1977c620b772SAriel Levkovich 1978d13674b1SOz Shlomo mlx5e_tc_act_stats_del_flow(get_act_stats_handle(priv), flow); 1979d13674b1SOz Shlomo 19808300f225SRoi Dayan free_flow_post_acts(flow); 1981a830ec48SPaul Blakey mlx5_free_flow_attr_actions(flow, attr); 19828300f225SRoi Dayan 198388d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 198488d97486SRoi Dayan kvfree(attr->parse_attr); 1985c620b772SAriel Levkovich kfree(flow->attr); 1986d85cdccbSOr Gerlitz } 1987d85cdccbSOr Gerlitz 19880d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1989b8aee822SMark Bloch { 19908300f225SRoi Dayan struct mlx5_flow_attr *attr; 19918300f225SRoi Dayan 19928300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 19938300f225SRoi Dayan return attr->counter; 1994b8aee822SMark Bloch } 1995b8aee822SMark Bloch 19966a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1997021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 19986a06c2f7SVlad Buslov { 19996a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 20006a06c2f7SVlad Buslov 20016a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 20026a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 20036a06c2f7SVlad Buslov } 20046a06c2f7SVlad Buslov 20059be6c21fSShay Drory static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow, 20069be6c21fSShay Drory int peer_index) 200704de7ddaSRoi Dayan { 200804de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 2009953bb24dSMark Bloch struct mlx5e_tc_flow *peer_flow; 2010953bb24dSMark Bloch struct mlx5e_tc_flow *tmp; 201104de7ddaSRoi Dayan 2012226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 2013226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 201404de7ddaSRoi Dayan return; 201504de7ddaSRoi Dayan 201604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 20179be6c21fSShay Drory list_del(&flow->peer[peer_index]); 201804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 201904de7ddaSRoi Dayan 2020953bb24dSMark Bloch list_for_each_entry_safe(peer_flow, tmp, &flow->peer_flows, peer_flows) { 20219be6c21fSShay Drory if (peer_index != mlx5_get_dev_index(peer_flow->priv->mdev)) 20229be6c21fSShay Drory continue; 2023953bb24dSMark Bloch if (refcount_dec_and_test(&peer_flow->refcnt)) { 2024953bb24dSMark Bloch mlx5e_tc_del_fdb_flow(peer_flow->priv, peer_flow); 2025953bb24dSMark Bloch list_del(&peer_flow->peer_flows); 2026953bb24dSMark Bloch kfree(peer_flow); 2027eb252c3aSRoi Dayan } 2028953bb24dSMark Bloch } 20299be6c21fSShay Drory 20309be6c21fSShay Drory if (list_empty(&flow->peer_flows)) 20319be6c21fSShay Drory flow_flag_clear(flow, DUP); 20329be6c21fSShay Drory } 20339be6c21fSShay Drory 20349be6c21fSShay Drory static void mlx5e_tc_del_fdb_peers_flow(struct mlx5e_tc_flow *flow) 20359be6c21fSShay Drory { 20369be6c21fSShay Drory int i; 20379be6c21fSShay Drory 20389be6c21fSShay Drory for (i = 0; i < MLX5_MAX_PORTS; i++) { 20399be6c21fSShay Drory if (i == mlx5_get_dev_index(flow->priv->mdev)) 20409be6c21fSShay Drory continue; 20419be6c21fSShay Drory mlx5e_tc_del_fdb_peer_flow(flow, i); 20429be6c21fSShay Drory } 204304de7ddaSRoi Dayan } 204404de7ddaSRoi Dayan 2045e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2046961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2047e8f887acSAmir Vadai { 2048226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 2049b1661efaSShay Drory struct mlx5_devcom *devcom = flow->priv->mdev->priv.devcom; 2050b1661efaSShay Drory 205190ca127cSSaeed Mahameed if (!mlx5_devcom_for_each_peer_begin(devcom, MLX5_DEVCOM_ESW_OFFLOADS)) { 2052b1661efaSShay Drory mlx5e_tc_del_fdb_flow(priv, flow); 2053b1661efaSShay Drory return; 2054b1661efaSShay Drory } 205590ca127cSSaeed Mahameed 20569be6c21fSShay Drory mlx5e_tc_del_fdb_peers_flow(flow); 205790ca127cSSaeed Mahameed mlx5_devcom_for_each_peer_end(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 2058d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 205904de7ddaSRoi Dayan } else { 2060d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2061e8f887acSAmir Vadai } 206204de7ddaSRoi Dayan } 2063e8f887acSAmir Vadai 2064ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2065bbd00f7eSHadar Hen Zion { 2066f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20670a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 20680a7fcb78SPaul Blakey const struct flow_action_entry *act; 20690a7fcb78SPaul Blakey int i; 2070bbd00f7eSHadar Hen Zion 2071ee950e5dSChris Mi if (chain) 2072ee950e5dSChris Mi return false; 2073ee950e5dSChris Mi 20740a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 20750a7fcb78SPaul Blakey switch (act->id) { 20760a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 20770a7fcb78SPaul Blakey return true; 2078ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2079ee950e5dSChris Mi return true; 20800a7fcb78SPaul Blakey default: 20810a7fcb78SPaul Blakey continue; 2082fe1587a7SDmytro Linkin } 20832e72eb43SOr Gerlitz } 2084bbd00f7eSHadar Hen Zion 20850a7fcb78SPaul Blakey return false; 20860a7fcb78SPaul Blakey } 2087bcef735cSOr Gerlitz 20880a7fcb78SPaul Blakey static int 20890a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 20900a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 20910a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 20920a7fcb78SPaul Blakey bool *dont_care) 20930a7fcb78SPaul Blakey { 20940a7fcb78SPaul Blakey struct geneve_opt *opt; 20950a7fcb78SPaul Blakey int off = 0; 2096bcef735cSOr Gerlitz 20970a7fcb78SPaul Blakey *dont_care = true; 2098bcef735cSOr Gerlitz 20990a7fcb78SPaul Blakey while (opts->len > off) { 21000a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2101e98bedf5SEli Britstein 21020a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 21030a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 21040a7fcb78SPaul Blakey *dont_care = false; 21050a7fcb78SPaul Blakey 2106c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2107d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2108c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 21090a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 21100a7fcb78SPaul Blakey netdev_warn(priv->netdev, 21110a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2112e98bedf5SEli Britstein return -EOPNOTSUPP; 2113e98bedf5SEli Britstein } 2114bcef735cSOr Gerlitz } 2115bcef735cSOr Gerlitz 21160a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2117bbd00f7eSHadar Hen Zion } 2118bbd00f7eSHadar Hen Zion 2119bbd00f7eSHadar Hen Zion return 0; 2120bbd00f7eSHadar Hen Zion } 2121bbd00f7eSHadar Hen Zion 21220a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 21230a7fcb78SPaul Blakey ({ \ 21240a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 21250a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 21260a7fcb78SPaul Blakey \ 21270a7fcb78SPaul Blakey memcpy(__dst,\ 21280a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 21290a7fcb78SPaul Blakey diss_key,\ 21300a7fcb78SPaul Blakey __rule->match.key),\ 21310a7fcb78SPaul Blakey sizeof(*__dst));\ 21320a7fcb78SPaul Blakey }) 21330a7fcb78SPaul Blakey 21340a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 21350a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 21360a7fcb78SPaul Blakey struct flow_cls_offload *f, 21370a7fcb78SPaul Blakey struct net_device *filter_dev) 21388377629eSEli Britstein { 21390a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21400a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21410a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 21420a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2143d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 21440a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2145c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 21460a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 21470a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 21480a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 21490a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 21500a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 21510a7fcb78SPaul Blakey u32 value, mask; 21520a7fcb78SPaul Blakey int err; 21530a7fcb78SPaul Blakey 21540a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 21550a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 21560a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 21570a7fcb78SPaul Blakey 21580a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 21590a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 21600a7fcb78SPaul Blakey &tunnel_key.enc_control); 21610a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 21620a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 21630a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 21640a7fcb78SPaul Blakey else 21650a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 21660a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 21670a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 21680a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 21690a7fcb78SPaul Blakey &tunnel_key.enc_tp); 21700a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 21710a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 21720a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 21730a7fcb78SPaul Blakey 21740a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 21750a7fcb78SPaul Blakey if (err) 21760a7fcb78SPaul Blakey return err; 21770a7fcb78SPaul Blakey 21780a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 21790a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 21800a7fcb78SPaul Blakey enc_opts_match.mask, 21810a7fcb78SPaul Blakey extack, 21820a7fcb78SPaul Blakey &enc_opts_is_dont_care); 21830a7fcb78SPaul Blakey if (err) 21840a7fcb78SPaul Blakey goto err_enc_opts; 21850a7fcb78SPaul Blakey 21860a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2187d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2188d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2189d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2190d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2191d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2192d7a42ad0SRoi Dayan 21930a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2194d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 21950a7fcb78SPaul Blakey if (err) 21960a7fcb78SPaul Blakey goto err_enc_opts; 21970a7fcb78SPaul Blakey } 21980a7fcb78SPaul Blakey 21990a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 22000a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 22010a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 22020a7fcb78SPaul Blakey 22030a7fcb78SPaul Blakey if (attr->chain) { 22040a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 22050a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 22060a7fcb78SPaul Blakey } else { 22070a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 22080a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2209aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 22100a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 22110a7fcb78SPaul Blakey if (err) 22120a7fcb78SPaul Blakey goto err_set; 22130a7fcb78SPaul Blakey 22140a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 22150a7fcb78SPaul Blakey } 22160a7fcb78SPaul Blakey 221773a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 22180a7fcb78SPaul Blakey return 0; 22190a7fcb78SPaul Blakey 22200a7fcb78SPaul Blakey err_set: 22210a7fcb78SPaul Blakey if (enc_opts_id) 22220a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 22230a7fcb78SPaul Blakey enc_opts_id); 22240a7fcb78SPaul Blakey err_enc_opts: 22250a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 22260a7fcb78SPaul Blakey return err; 22270a7fcb78SPaul Blakey } 22280a7fcb78SPaul Blakey 22290a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 22300a7fcb78SPaul Blakey { 223173a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 223273a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 22330a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 22340a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 22350a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 22360a7fcb78SPaul Blakey 22370a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 22380a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22390a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 22400a7fcb78SPaul Blakey 22410a7fcb78SPaul Blakey if (tun_id) 22420a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 22430a7fcb78SPaul Blakey if (enc_opts_id) 22440a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 22450a7fcb78SPaul Blakey enc_opts_id); 22460a7fcb78SPaul Blakey } 22470a7fcb78SPaul Blakey 2248fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2249fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2250fca53304SEli Britstein void *headers_c, void *headers_v) 22514a5d5d73SEli Britstein { 2252fca53304SEli Britstein bool ip_version_cap; 2253fca53304SEli Britstein 2254fca53304SEli Britstein ip_version_cap = outer ? 2255fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2256fca53304SEli Britstein ft_field_support.outer_ip_version) : 2257fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2258fca53304SEli Britstein ft_field_support.inner_ip_version); 2259fca53304SEli Britstein 2260fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2261fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2262fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2263fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2264fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2265fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2266fca53304SEli Britstein } else { 22674a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 22684a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 22694a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 22704a5d5d73SEli Britstein ntohs(match->key->n_proto)); 22714a5d5d73SEli Britstein } 2272fca53304SEli Britstein } 22734a5d5d73SEli Britstein 22740d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2275a508728aSVlad Buslov { 2276a508728aSVlad Buslov void *headers_v; 2277a508728aSVlad Buslov u16 ethertype; 2278a508728aSVlad Buslov u8 ip_version; 2279a508728aSVlad Buslov 2280a508728aSVlad Buslov if (outer) 2281a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2282a508728aSVlad Buslov else 2283a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2284a508728aSVlad Buslov 2285a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2286a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2287a508728aSVlad Buslov if (!ip_version) { 2288a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2289a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2290a508728aSVlad Buslov ip_version = 4; 2291a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2292a508728aSVlad Buslov ip_version = 6; 2293a508728aSVlad Buslov } 2294a508728aSVlad Buslov return ip_version; 2295a508728aSVlad Buslov } 2296a508728aSVlad Buslov 2297b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2298b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2299b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2300b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2301b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2302b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2303b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2304b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2305b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2306b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2307b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2308b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2309b6dfff21SPaul Blakey * 2310b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2311b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2312b6dfff21SPaul Blakey * 2313b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2314b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2315b6dfff21SPaul Blakey * 2316b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2317b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2318b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2319b6dfff21SPaul Blakey */ 2320b6dfff21SPaul Blakey 2321b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2322b6dfff21SPaul Blakey struct flow_cls_offload *f, 2323b6dfff21SPaul Blakey bool *match_inner_ecn) 2324b6dfff21SPaul Blakey { 2325b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2326b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2327b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2328b6dfff21SPaul Blakey struct flow_match_ip match; 2329b6dfff21SPaul Blakey 2330b6dfff21SPaul Blakey *match_inner_ecn = true; 2331b6dfff21SPaul Blakey 2332b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2333b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2334b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2335b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2336b6dfff21SPaul Blakey } 2337b6dfff21SPaul Blakey 2338b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2339b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2340b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2341b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2342b6dfff21SPaul Blakey } 2343b6dfff21SPaul Blakey 2344b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2345b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2346b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2347b6dfff21SPaul Blakey return -EOPNOTSUPP; 2348b6dfff21SPaul Blakey } 2349b6dfff21SPaul Blakey 2350b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2351b6dfff21SPaul Blakey if (!inner_ecn_mask) 2352b6dfff21SPaul Blakey return 0; 2353b6dfff21SPaul Blakey 2354b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2355b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2356b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2357b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2358b6dfff21SPaul Blakey return -EOPNOTSUPP; 2359b6dfff21SPaul Blakey } 2360b6dfff21SPaul Blakey 2361b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2362b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2363b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2364b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2365b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2366b6dfff21SPaul Blakey return -EOPNOTSUPP; 2367b6dfff21SPaul Blakey } 2368b6dfff21SPaul Blakey 2369b6dfff21SPaul Blakey if (!inner_ecn_mask) 2370b6dfff21SPaul Blakey return 0; 2371b6dfff21SPaul Blakey 2372b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2373b6dfff21SPaul Blakey 2374b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2375b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2376b6dfff21SPaul Blakey 2377b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2378b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2379b6dfff21SPaul Blakey return -EOPNOTSUPP; 2380b6dfff21SPaul Blakey } 2381b6dfff21SPaul Blakey 2382b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2383b6dfff21SPaul Blakey return 0; 2384b6dfff21SPaul Blakey 2385b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2386b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2387b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2388b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2389b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2390b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2391b6dfff21SPaul Blakey return -EOPNOTSUPP; 2392b6dfff21SPaul Blakey } 2393b6dfff21SPaul Blakey 2394b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2395b6dfff21SPaul Blakey * drop match on inner ecn 2396b6dfff21SPaul Blakey */ 2397b6dfff21SPaul Blakey *match_inner_ecn = false; 2398b6dfff21SPaul Blakey 2399b6dfff21SPaul Blakey return 0; 2400b6dfff21SPaul Blakey } 2401b6dfff21SPaul Blakey 24020a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 24030a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 24040a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 24050a7fcb78SPaul Blakey struct flow_cls_offload *f, 24060a7fcb78SPaul Blakey struct net_device *filter_dev, 24070a7fcb78SPaul Blakey u8 *match_level, 24080a7fcb78SPaul Blakey bool *match_inner) 24090a7fcb78SPaul Blakey { 2410a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 24110a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 24120a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 24130a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 24140a7fcb78SPaul Blakey int err; 24150a7fcb78SPaul Blakey 24160885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 24170885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 24180a7fcb78SPaul Blakey return -EOPNOTSUPP; 24190885ae1aSAbhiram R N } 24200a7fcb78SPaul Blakey 2421c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2422ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 24230a7fcb78SPaul Blakey *match_inner = !needs_mapping; 24240a7fcb78SPaul Blakey 24250a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2426636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2427c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2428636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24290a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2430636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24310a7fcb78SPaul Blakey return -EOPNOTSUPP; 24320a7fcb78SPaul Blakey } 24330a7fcb78SPaul Blakey 2434c620b772SAriel Levkovich if (!flow->attr->chain) { 24350a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 24360a7fcb78SPaul Blakey match_level); 24370a7fcb78SPaul Blakey if (err) { 24380a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 24390a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24400a7fcb78SPaul Blakey netdev_warn(priv->netdev, 24410a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24420a7fcb78SPaul Blakey return err; 24430a7fcb78SPaul Blakey } 24440a7fcb78SPaul Blakey 244514e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 244614e6b038SEli Cohen * object 244714e6b038SEli Cohen */ 244814e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2449c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2450a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2451a508728aSVlad Buslov if (err) 2452a508728aSVlad Buslov return err; 2453521933cdSMaor Dickman } else if (tunnel) { 2454a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2455a508728aSVlad Buslov 2456a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2457a508728aSVlad Buslov if (!tmp_spec) { 2458521933cdSMaor Dickman NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for tunnel tmp spec"); 2459521933cdSMaor Dickman netdev_warn(priv->netdev, "Failed to allocate memory for tunnel tmp spec"); 2460a508728aSVlad Buslov return -ENOMEM; 2461a508728aSVlad Buslov } 2462a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2463a508728aSVlad Buslov 2464a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2465a508728aSVlad Buslov if (err) { 2466a508728aSVlad Buslov kvfree(tmp_spec); 2467a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2468a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2469a508728aSVlad Buslov return err; 2470a508728aSVlad Buslov } 2471a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2472a508728aSVlad Buslov kvfree(tmp_spec); 2473a508728aSVlad Buslov if (err) 2474a508728aSVlad Buslov return err; 24750a7fcb78SPaul Blakey } 24760a7fcb78SPaul Blakey 24770a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 24780a7fcb78SPaul Blakey return 0; 24790a7fcb78SPaul Blakey 24800a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 24810a7fcb78SPaul Blakey } 24820a7fcb78SPaul Blakey 24830a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 24840a7fcb78SPaul Blakey { 24850a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 24860a7fcb78SPaul Blakey inner_headers); 24870a7fcb78SPaul Blakey } 24880a7fcb78SPaul Blakey 24890a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 24900a7fcb78SPaul Blakey { 24910a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 24920a7fcb78SPaul Blakey inner_headers); 24930a7fcb78SPaul Blakey } 24940a7fcb78SPaul Blakey 24950a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 24960a7fcb78SPaul Blakey { 24970a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 24980a7fcb78SPaul Blakey outer_headers); 24990a7fcb78SPaul Blakey } 25000a7fcb78SPaul Blakey 25010a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 25020a7fcb78SPaul Blakey { 25030a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 25048377629eSEli Britstein outer_headers); 25058377629eSEli Britstein } 25068377629eSEli Britstein 25078ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 25088377629eSEli Britstein { 25098377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 25100a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 25110a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 25120a7fcb78SPaul Blakey } 25130a7fcb78SPaul Blakey 25148ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 25150a7fcb78SPaul Blakey { 25160a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 25170a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 25180a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 25198377629eSEli Britstein } 25208377629eSEli Britstein 25216d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 25226d65bc64Swenxu struct flow_cls_offload *f) 25236d65bc64Swenxu { 25246d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 25256d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 25266d65bc64Swenxu struct net_device *ingress_dev; 25276d65bc64Swenxu struct flow_match_meta match; 25286d65bc64Swenxu 25296d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 25306d65bc64Swenxu return 0; 25316d65bc64Swenxu 25326d65bc64Swenxu flow_rule_match_meta(rule, &match); 2533f4356947SIdo Schimmel 2534f4356947SIdo Schimmel if (match.mask->l2_miss) { 2535f4356947SIdo Schimmel NL_SET_ERR_MSG_MOD(f->common.extack, "Can't match on \"l2_miss\""); 2536f4356947SIdo Schimmel return -EOPNOTSUPP; 2537f4356947SIdo Schimmel } 2538f4356947SIdo Schimmel 2539e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2540e3e0f9b2Swenxu return 0; 2541e3e0f9b2Swenxu 25426d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 25436d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2544a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25456d65bc64Swenxu } 25466d65bc64Swenxu 25476d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 25486d65bc64Swenxu match.key->ingress_ifindex); 25496d65bc64Swenxu if (!ingress_dev) { 25506d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25516d65bc64Swenxu "Can't find the ingress port to match on"); 2552a683012aSPablo Neira Ayuso return -ENOENT; 25536d65bc64Swenxu } 25546d65bc64Swenxu 25556d65bc64Swenxu if (ingress_dev != filter_dev) { 25566d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25576d65bc64Swenxu "Can't match on the ingress filter port"); 2558a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25596d65bc64Swenxu } 25606d65bc64Swenxu 25616d65bc64Swenxu return 0; 25626d65bc64Swenxu } 25636d65bc64Swenxu 256472046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 256572046a91SEli Cohen struct flow_cls_offload *f) 256672046a91SEli Cohen { 256772046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 256872046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 256972046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 257072046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 257172046a91SEli Cohen */ 257272046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 257372046a91SEli Cohen return true; 257472046a91SEli Cohen 257572046a91SEli Cohen return false; 257672046a91SEli Cohen } 257772046a91SEli Cohen 2578de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 25790a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2580de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2581f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 258254c177caSOz Shlomo struct net_device *filter_dev, 258393b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2584e3a2b7edSAmir Vadai { 2585e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2586c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2587c5bb1730SMaor Gottlieb outer_headers); 2588c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2589c5bb1730SMaor Gottlieb outer_headers); 2590699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2591699e96ddSJianbo Liu misc_parameters); 2592699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2593699e96ddSJianbo Liu misc_parameters); 2594a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2595a3222a2dSMaor Dickman misc_parameters_3); 2596a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2597a3222a2dSMaor Dickman misc_parameters_3); 2598f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 25998f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2600afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2601b6dfff21SPaul Blakey bool match_inner_ecn = true; 2602e3a2b7edSAmir Vadai u16 addr_type = 0; 2603e3a2b7edSAmir Vadai u8 ip_proto = 0; 260493b3586eSHuy Nguyen u8 *match_level; 26056d65bc64Swenxu int err; 2606e3a2b7edSAmir Vadai 2607afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 260893b3586eSHuy Nguyen match_level = outer_match_level; 2609de0af0bfSRoi Dayan 26108f256622SPablo Neira Ayuso if (dissector->used_keys & 26113d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 26123d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2613e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2614e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2615095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2616699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2617e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2618e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2619bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2620bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2621bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2622bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2623bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2624e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2625fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2626bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 26274c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 26289272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 262972046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2630a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 263172046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2632e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 263348470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 26348f256622SPablo Neira Ayuso dissector->used_keys); 2635e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2636e3a2b7edSAmir Vadai } 2637e3a2b7edSAmir Vadai 2638075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 26390a7fcb78SPaul Blakey bool match_inner = false; 2640bbd00f7eSHadar Hen Zion 26410a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 26420a7fcb78SPaul Blakey outer_match_level, &match_inner); 26430a7fcb78SPaul Blakey if (err) 26440a7fcb78SPaul Blakey return err; 26450a7fcb78SPaul Blakey 26460a7fcb78SPaul Blakey if (match_inner) { 26470a7fcb78SPaul Blakey /* header pointers should point to the inner headers 26480a7fcb78SPaul Blakey * if the packet was decapsulated already. 26490a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2650bbd00f7eSHadar Hen Zion */ 265193b3586eSHuy Nguyen match_level = inner_match_level; 26520a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 26530a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 26540a7fcb78SPaul Blakey } 2655b6dfff21SPaul Blakey 2656b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2657b6dfff21SPaul Blakey if (err) 2658b6dfff21SPaul Blakey return err; 2659bbd00f7eSHadar Hen Zion } 2660bbd00f7eSHadar Hen Zion 26616d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 26626d65bc64Swenxu if (err) 26636d65bc64Swenxu return err; 26646d65bc64Swenxu 266572046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 266672046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 26678f256622SPablo Neira Ayuso struct flow_match_basic match; 2668e3a2b7edSAmir Vadai 26698f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2670fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2671fca53304SEli Britstein match_level == outer_match_level, 2672fca53304SEli Britstein headers_c, headers_v); 26738f256622SPablo Neira Ayuso 26748f256622SPablo Neira Ayuso if (match.mask->n_proto) 2675d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2676e3a2b7edSAmir Vadai } 267735a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 267835a605dbSEli Britstein is_vlan_dev(filter_dev)) { 267935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 268035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 26818f256622SPablo Neira Ayuso struct flow_match_vlan match; 26828f256622SPablo Neira Ayuso 268335a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 268435a605dbSEli Britstein match.key = &filter_dev_key; 268535a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 268635a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 268735a605dbSEli Britstein match.key->vlan_priority = 0; 268835a605dbSEli Britstein match.mask = &filter_dev_mask; 268935a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 269035a605dbSEli Britstein match.mask->vlan_priority = 0; 269135a605dbSEli Britstein } else { 26928f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 269335a605dbSEli Britstein } 26948f256622SPablo Neira Ayuso if (match.mask->vlan_id || 26958f256622SPablo Neira Ayuso match.mask->vlan_priority || 26968f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 26978f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2698699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2699699e96ddSJianbo Liu svlan_tag, 1); 2700699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2701699e96ddSJianbo Liu svlan_tag, 1); 2702699e96ddSJianbo Liu } else { 2703699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2704699e96ddSJianbo Liu cvlan_tag, 1); 2705699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2706699e96ddSJianbo Liu cvlan_tag, 1); 2707699e96ddSJianbo Liu } 2708095b6cfdSOr Gerlitz 27098f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 27108f256622SPablo Neira Ayuso match.mask->vlan_id); 27118f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 27128f256622SPablo Neira Ayuso match.key->vlan_id); 2713358d79a4SOr Gerlitz 27148f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 27158f256622SPablo Neira Ayuso match.mask->vlan_priority); 27168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 27178f256622SPablo Neira Ayuso match.key->vlan_priority); 271854782900SOr Gerlitz 2719d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2720ada09af9SVlad Buslov 2721ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2722ada09af9SVlad Buslov match.mask->vlan_eth_type && 2723ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2724ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2725ada09af9SVlad Buslov fs_type)) { 2726ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2727ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2728ada09af9SVlad Buslov spec->match_criteria_enable |= 2729ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2730ada09af9SVlad Buslov } 2731095b6cfdSOr Gerlitz } 2732d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2733fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2734fc603294SMark Bloch * disabled in match value means both S & C tags 2735fc603294SMark Bloch * don't exist (untagged of both) 2736fc603294SMark Bloch */ 2737cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2738d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2739095b6cfdSOr Gerlitz } 2740095b6cfdSOr Gerlitz 27418f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 27428f256622SPablo Neira Ayuso struct flow_match_vlan match; 27438f256622SPablo Neira Ayuso 274412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 27458f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27468f256622SPablo Neira Ayuso match.mask->vlan_priority || 27478f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2748afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2749afe93f71SRoi Dayan fs_type)) { 2750afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2751afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2752afe93f71SRoi Dayan return -EOPNOTSUPP; 2753afe93f71SRoi Dayan } 2754afe93f71SRoi Dayan 27558f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2756699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2757699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2758699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2759699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2760699e96ddSJianbo Liu } else { 2761699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2762699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2763699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2764699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2765699e96ddSJianbo Liu } 2766699e96ddSJianbo Liu 2767699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 27688f256622SPablo Neira Ayuso match.mask->vlan_id); 2769699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 27708f256622SPablo Neira Ayuso match.key->vlan_id); 2771699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 27728f256622SPablo Neira Ayuso match.mask->vlan_priority); 2773699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 27748f256622SPablo Neira Ayuso match.key->vlan_priority); 2775699e96ddSJianbo Liu 2776699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 27770faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2778699e96ddSJianbo Liu } 2779699e96ddSJianbo Liu } 2780699e96ddSJianbo Liu 27818f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 27828f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 278354782900SOr Gerlitz 27848f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2785d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2786d3a80bb5SOr Gerlitz dmac_47_16), 27878f256622SPablo Neira Ayuso match.mask->dst); 2788d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2789d3a80bb5SOr Gerlitz dmac_47_16), 27908f256622SPablo Neira Ayuso match.key->dst); 2791d3a80bb5SOr Gerlitz 2792d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2793d3a80bb5SOr Gerlitz smac_47_16), 27948f256622SPablo Neira Ayuso match.mask->src); 2795d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2796d3a80bb5SOr Gerlitz smac_47_16), 27978f256622SPablo Neira Ayuso match.key->src); 2798d3a80bb5SOr Gerlitz 27998f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 28008f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2801d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 280254782900SOr Gerlitz } 280354782900SOr Gerlitz 28048f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 28058f256622SPablo Neira Ayuso struct flow_match_control match; 280654782900SOr Gerlitz 28078f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 28088f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 280954782900SOr Gerlitz 281054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 28110885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 28120885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 281354782900SOr Gerlitz return -EOPNOTSUPP; 28140885ae1aSAbhiram R N } 281554782900SOr Gerlitz 28168f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 281754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 281854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 28198f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 282054782900SOr Gerlitz 282154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 28228f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 282383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 282454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 282554782900SOr Gerlitz else 282683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 282754782900SOr Gerlitz } 282854782900SOr Gerlitz } 282954782900SOr Gerlitz 28308f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 28318f256622SPablo Neira Ayuso struct flow_match_basic match; 28328f256622SPablo Neira Ayuso 28338f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 28348f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 283554782900SOr Gerlitz 283654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 28378f256622SPablo Neira Ayuso match.mask->ip_proto); 283854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 28398f256622SPablo Neira Ayuso match.key->ip_proto); 284054782900SOr Gerlitz 28418f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2842d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 284354782900SOr Gerlitz } 284454782900SOr Gerlitz 2845e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 28468f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2847e3a2b7edSAmir Vadai 28488f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2849e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2850e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28518f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2852e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2853e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28548f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2855e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2856e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28578f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2858e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2859e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28608f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2861de0af0bfSRoi Dayan 28628f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2863d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2864e3a2b7edSAmir Vadai } 2865e3a2b7edSAmir Vadai 2866e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 28678f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2868e3a2b7edSAmir Vadai 28698f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2870e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2871e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 28728f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2873e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2874e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 28758f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2876e3a2b7edSAmir Vadai 2877e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2878e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 28798f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2880e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2881e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 28828f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2883de0af0bfSRoi Dayan 28848f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 28858f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2886d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2887e3a2b7edSAmir Vadai } 2888e3a2b7edSAmir Vadai 28898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 28908f256622SPablo Neira Ayuso struct flow_match_ip match; 28911f97a526SOr Gerlitz 28928f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2893b6dfff21SPaul Blakey if (match_inner_ecn) { 28948f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 28958f256622SPablo Neira Ayuso match.mask->tos & 0x3); 28968f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 28978f256622SPablo Neira Ayuso match.key->tos & 0x3); 2898b6dfff21SPaul Blakey } 28991f97a526SOr Gerlitz 29008f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 29018f256622SPablo Neira Ayuso match.mask->tos >> 2); 29028f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 29038f256622SPablo Neira Ayuso match.key->tos >> 2); 29041f97a526SOr Gerlitz 29058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 29068f256622SPablo Neira Ayuso match.mask->ttl); 29078f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 29088f256622SPablo Neira Ayuso match.key->ttl); 29091f97a526SOr Gerlitz 29108f256622SPablo Neira Ayuso if (match.mask->ttl && 2911a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2912e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2913e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2914e98bedf5SEli Britstein "Matching on TTL is not supported"); 29151f97a526SOr Gerlitz return -EOPNOTSUPP; 2916e98bedf5SEli Britstein } 2917a8ade55fSOr Gerlitz 29188f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2919d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 29201f97a526SOr Gerlitz } 29211f97a526SOr Gerlitz 292254782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 292354782900SOr Gerlitz 29248f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 29258f256622SPablo Neira Ayuso struct flow_match_ports match; 29268f256622SPablo Neira Ayuso 29278f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2928e3a2b7edSAmir Vadai switch (ip_proto) { 2929e3a2b7edSAmir Vadai case IPPROTO_TCP: 2930e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29318f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2932e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29338f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2934e3a2b7edSAmir Vadai 2935e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29368f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2937e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29388f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2939e3a2b7edSAmir Vadai break; 2940e3a2b7edSAmir Vadai 2941e3a2b7edSAmir Vadai case IPPROTO_UDP: 2942e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29438f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2944e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29458f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2946e3a2b7edSAmir Vadai 2947e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29488f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2949e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29508f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2951e3a2b7edSAmir Vadai break; 2952e3a2b7edSAmir Vadai default: 2953e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2954e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2955e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2956e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2957e3a2b7edSAmir Vadai return -EINVAL; 2958e3a2b7edSAmir Vadai } 2959de0af0bfSRoi Dayan 29608f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2961d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2962e3a2b7edSAmir Vadai } 2963e3a2b7edSAmir Vadai 29648f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 29658f256622SPablo Neira Ayuso struct flow_match_tcp match; 2966e77834ecSOr Gerlitz 29678f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2968e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 29698f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2970e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 29718f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2972e77834ecSOr Gerlitz 29738f256622SPablo Neira Ayuso if (match.mask->flags) 2974d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2975e77834ecSOr Gerlitz } 2976a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2977a3222a2dSMaor Dickman struct flow_match_icmp match; 2978e77834ecSOr Gerlitz 2979a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2980a3222a2dSMaor Dickman switch (ip_proto) { 2981a3222a2dSMaor Dickman case IPPROTO_ICMP: 2982a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 29830885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 29840885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 29850885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2986a3222a2dSMaor Dickman return -EOPNOTSUPP; 29870885ae1aSAbhiram R N } 2988a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2989a3222a2dSMaor Dickman match.mask->type); 2990a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2991a3222a2dSMaor Dickman match.key->type); 2992a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2993a3222a2dSMaor Dickman match.mask->code); 2994a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2995a3222a2dSMaor Dickman match.key->code); 2996a3222a2dSMaor Dickman break; 2997a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2998a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 29990885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 30000885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30010885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 3002a3222a2dSMaor Dickman return -EOPNOTSUPP; 30030885ae1aSAbhiram R N } 3004a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 3005a3222a2dSMaor Dickman match.mask->type); 3006a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 3007a3222a2dSMaor Dickman match.key->type); 3008a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 3009a3222a2dSMaor Dickman match.mask->code); 3010a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 3011a3222a2dSMaor Dickman match.key->code); 3012a3222a2dSMaor Dickman break; 3013a3222a2dSMaor Dickman default: 3014a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 3015a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 3016a3222a2dSMaor Dickman netdev_err(priv->netdev, 3017a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 3018a3222a2dSMaor Dickman return -EINVAL; 3019a3222a2dSMaor Dickman } 3020a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 3021a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 3022a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 3023a3222a2dSMaor Dickman } 3024a3222a2dSMaor Dickman } 302539c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 30267d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 30277d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 30287d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 30297d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 30307d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 30317d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 30327d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 30337d6c86e3SAlaa Hleihel } 30347d6c86e3SAlaa Hleihel 3035e3a2b7edSAmir Vadai return 0; 3036e3a2b7edSAmir Vadai } 3037e3a2b7edSAmir Vadai 3038de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 303965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3040de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3041f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 304254c177caSOz Shlomo struct net_device *filter_dev) 3043de0af0bfSRoi Dayan { 304493b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3045e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3046de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3047de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 30481d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 30491d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3050226f2ca3SVlad Buslov bool is_eswitch_flow; 3051de0af0bfSRoi Dayan int err; 3052de0af0bfSRoi Dayan 305393b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 305493b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 305593b3586eSHuy Nguyen 30560a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 30570a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 305893b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 305993b3586eSHuy Nguyen outer_match_level : inner_match_level; 3060de0af0bfSRoi Dayan 3061226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3062226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 30631d447a39SSaeed Mahameed rep = rpriv->rep; 3064b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 30651d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 306693b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3067e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3068e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3069de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3070de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 307193b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3072de0af0bfSRoi Dayan return -EOPNOTSUPP; 3073de0af0bfSRoi Dayan } 3074de0af0bfSRoi Dayan } 3075de0af0bfSRoi Dayan 3076c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3077c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3078c620b772SAriel Levkovich 307938aa51c1SOr Gerlitz 3080de0af0bfSRoi Dayan return err; 3081de0af0bfSRoi Dayan } 3082de0af0bfSRoi Dayan 3083d79b6df6SOr Gerlitz struct mlx5_fields { 3084d79b6df6SOr Gerlitz u8 field; 308588f30bbcSDmytro Linkin u8 field_bsize; 308688f30bbcSDmytro Linkin u32 field_mask; 3087d79b6df6SOr Gerlitz u32 offset; 308827c11b6bSEli Britstein u32 match_offset; 3089d79b6df6SOr Gerlitz }; 3090d79b6df6SOr Gerlitz 309188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 309288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 309327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 309427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 309527c11b6bSEli Britstein 30962ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 30972ef86872SEli Britstein * match. 30982ef86872SEli Britstein */ 30992ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 31002ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 31012ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 31022ef86872SEli Britstein type maskx = *(type *)(maskp); \ 31032ef86872SEli Britstein type valx = *(type *)(valp); \ 31042ef86872SEli Britstein \ 31052ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 31062ef86872SEli Britstein matchmaskx)); \ 31072ef86872SEli Britstein }) 31082ef86872SEli Britstein 310927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 311088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 311127c11b6bSEli Britstein { 311227c11b6bSEli Britstein bool same = false; 311327c11b6bSEli Britstein 311488f30bbcSDmytro Linkin switch (bsize) { 311588f30bbcSDmytro Linkin case 8: 31162ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 311727c11b6bSEli Britstein break; 311888f30bbcSDmytro Linkin case 16: 31192ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 312027c11b6bSEli Britstein break; 312188f30bbcSDmytro Linkin case 32: 31222ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 312327c11b6bSEli Britstein break; 312427c11b6bSEli Britstein } 312527c11b6bSEli Britstein 312627c11b6bSEli Britstein return same; 312727c11b6bSEli Britstein } 3128a8e4f0c4SOr Gerlitz 3129d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 313088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 313188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 313288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 313388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 313488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 313588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3136d79b6df6SOr Gerlitz 3137ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 313888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 313988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 314088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3141d79b6df6SOr Gerlitz 314288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 314327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 314488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 314527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 314688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 314727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 314888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 314927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 315088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 315127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 315288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 315327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 315488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 315527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 315688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 315727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 315888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3159748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3160d79b6df6SOr Gerlitz 316188f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 316288f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 316388f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 316488f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3165d79b6df6SOr Gerlitz 316688f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 316788f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3168d79b6df6SOr Gerlitz }; 3169d79b6df6SOr Gerlitz 317082198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 317182198d8bSMaor Dickman { 317282198d8bSMaor Dickman __be32 mask_be32; 317382198d8bSMaor Dickman __be16 mask_be16; 317482198d8bSMaor Dickman 317582198d8bSMaor Dickman if (size == 32) { 317682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 317782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 317882198d8bSMaor Dickman } else if (size == 16) { 317982198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 318082198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 318182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 318282198d8bSMaor Dickman } 318382198d8bSMaor Dickman 318482198d8bSMaor Dickman return mask; 318582198d8bSMaor Dickman } 318609bf9792SRoi Dayan 31876ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 31886ae4a6a5SPaul Blakey int namespace, 3189e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 319027c11b6bSEli Britstein u32 *action_flags, 3191e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3192d79b6df6SOr Gerlitz { 3193d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 319409bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 319588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 319688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 31976ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 319882198d8bSMaor Dickman unsigned long mask, field_mask; 31992c0e5cf5SPaul Blakey int i, first, last, next_z; 32002c0e5cf5SPaul Blakey struct mlx5_fields *f; 320188f30bbcSDmytro Linkin u8 cmd; 320288f30bbcSDmytro Linkin 32036ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 32048ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 32058ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3206d79b6df6SOr Gerlitz 320773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 320873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 320973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 321073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3211d79b6df6SOr Gerlitz 3212d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 321327c11b6bSEli Britstein bool skip; 321427c11b6bSEli Britstein 3215d79b6df6SOr Gerlitz f = &fields[i]; 3216d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3217e3ca4e05SOr Gerlitz s_mask = 0; 3218e3ca4e05SOr Gerlitz a_mask = 0; 3219d79b6df6SOr Gerlitz 3220d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3221d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3222d79b6df6SOr Gerlitz 322388f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 322488f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3225d79b6df6SOr Gerlitz 3226d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3227d79b6df6SOr Gerlitz continue; 3228d79b6df6SOr Gerlitz 3229d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3230e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3231e98bedf5SEli Britstein "can't set and add to the same HW field"); 323261b6a6c3SCai Huoqing netdev_warn(priv->netdev, 323361b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 323461b6a6c3SCai Huoqing f->field); 3235d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3236d79b6df6SOr Gerlitz } 3237d79b6df6SOr Gerlitz 323827c11b6bSEli Britstein skip = false; 3239d79b6df6SOr Gerlitz if (s_mask) { 324027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 324127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 324227c11b6bSEli Britstein 3243d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3244d79b6df6SOr Gerlitz mask = s_mask; 3245d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 324627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 324727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 324888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 324927c11b6bSEli Britstein skip = true; 3250d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 325188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3252d79b6df6SOr Gerlitz } else { 3253d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3254d79b6df6SOr Gerlitz mask = a_mask; 3255d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 325627c11b6bSEli Britstein /* add 0 is no change */ 325788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 325827c11b6bSEli Britstein skip = true; 3259d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 326088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3261d79b6df6SOr Gerlitz } 326227c11b6bSEli Britstein if (skip) 326327c11b6bSEli Britstein continue; 3264d79b6df6SOr Gerlitz 326582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 32662b64bebaSOr Gerlitz 326788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 326888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 326988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 32702b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3271e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3272e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 327361b6a6c3SCai Huoqing netdev_warn(priv->netdev, 327461b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3275d79b6df6SOr Gerlitz mask); 3276d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3277d79b6df6SOr Gerlitz } 3278d79b6df6SOr Gerlitz 32792c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 32802c0e5cf5SPaul Blakey if (IS_ERR(action)) { 32816ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32826ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 32836ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 32846ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 32856ae4a6a5SPaul Blakey mod_acts->num_actions); 32862c0e5cf5SPaul Blakey return PTR_ERR(action); 32876ae4a6a5SPaul Blakey } 32886ae4a6a5SPaul Blakey 3289d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3290d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3291d79b6df6SOr Gerlitz 3292d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 329388f30bbcSDmytro Linkin int start; 329488f30bbcSDmytro Linkin 329582198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 329682198d8bSMaor Dickman 329788f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 329882198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 329988f30bbcSDmytro Linkin 330088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3301d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 33022b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3303d79b6df6SOr Gerlitz } 3304d79b6df6SOr Gerlitz 330588f30bbcSDmytro Linkin if (f->field_bsize == 32) 33062b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 330788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 33082b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 330988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 33102b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3311d79b6df6SOr Gerlitz 33126ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3313d79b6df6SOr Gerlitz } 3314d79b6df6SOr Gerlitz 3315d79b6df6SOr Gerlitz return 0; 3316d79b6df6SOr Gerlitz } 3317d79b6df6SOr Gerlitz 3318d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3319d79b6df6SOr Gerlitz 3320918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3321c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3322c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3323c500c86bSPablo Neira Ayuso { 3324c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3325c500c86bSPablo Neira Ayuso u8 cmd; 3326c500c86bSPablo Neira Ayuso 3327d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 332809bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3329d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 333009bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3331b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3332d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3333d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3334918ed7bfSRoi Dayan return -EOPNOTSUPP; 3335918ed7bfSRoi Dayan } 3336918ed7bfSRoi Dayan } 3337918ed7bfSRoi Dayan 3338918ed7bfSRoi Dayan return 0; 3339918ed7bfSRoi Dayan } 3340918ed7bfSRoi Dayan 3341918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3342918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3343918ed7bfSRoi Dayan u32 *action_flags, 3344918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3345918ed7bfSRoi Dayan { 3346918ed7bfSRoi Dayan int err; 3347918ed7bfSRoi Dayan 3348918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3349918ed7bfSRoi Dayan if (err) 3350d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3351918ed7bfSRoi Dayan 3352918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3353918ed7bfSRoi Dayan if (err) 3354918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3355d79b6df6SOr Gerlitz 3356d79b6df6SOr Gerlitz return 0; 3357d79b6df6SOr Gerlitz 3358d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 33592c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3360d79b6df6SOr Gerlitz return err; 3361d79b6df6SOr Gerlitz } 3362d79b6df6SOr Gerlitz 33638998576bSDmytro Linkin struct ip_ttl_word { 33648998576bSDmytro Linkin __u8 ttl; 33658998576bSDmytro Linkin __u8 protocol; 33668998576bSDmytro Linkin __sum16 check; 33678998576bSDmytro Linkin }; 33688998576bSDmytro Linkin 33698998576bSDmytro Linkin struct ipv6_hoplimit_word { 33708998576bSDmytro Linkin __be16 payload_len; 33718998576bSDmytro Linkin __u8 nexthdr; 33728998576bSDmytro Linkin __u8 hop_limit; 33738998576bSDmytro Linkin }; 33748998576bSDmytro Linkin 33751836d780SRoi Dayan static bool 33765d7cb06eSPaul Blakey is_flow_action_modify_ip_header(struct flow_action *flow_action) 33778998576bSDmytro Linkin { 33785d7cb06eSPaul Blakey const struct flow_action_entry *act; 33798998576bSDmytro Linkin u32 mask, offset; 33808998576bSDmytro Linkin u8 htype; 33815d7cb06eSPaul Blakey int i; 33828998576bSDmytro Linkin 33838998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 33848998576bSDmytro Linkin * to determine that modified fields 33858998576bSDmytro Linkin * are NOT ttl & hop_limit only. 33868998576bSDmytro Linkin */ 33875d7cb06eSPaul Blakey flow_action_for_each(i, act, flow_action) { 33885d7cb06eSPaul Blakey if (act->id != FLOW_ACTION_MANGLE && 33895d7cb06eSPaul Blakey act->id != FLOW_ACTION_ADD) 33905d7cb06eSPaul Blakey continue; 33915d7cb06eSPaul Blakey 33925d7cb06eSPaul Blakey htype = act->mangle.htype; 33935d7cb06eSPaul Blakey offset = act->mangle.offset; 33945d7cb06eSPaul Blakey mask = ~act->mangle.mask; 33955d7cb06eSPaul Blakey 33968998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 33978998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 33988998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 33998998576bSDmytro Linkin 34008998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 34018998576bSDmytro Linkin ttl_word->protocol || 34025d7cb06eSPaul Blakey ttl_word->check) 34035d7cb06eSPaul Blakey return true; 34048998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 34058998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 34068998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 34078998576bSDmytro Linkin 34088998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 34098998576bSDmytro Linkin hoplimit_word->payload_len || 34105d7cb06eSPaul Blakey hoplimit_word->nexthdr) 34111836d780SRoi Dayan return true; 34128998576bSDmytro Linkin } 341396b5b458SDima Chumak } 341496b5b458SDima Chumak 341596b5b458SDima Chumak return false; 341696b5b458SDima Chumak } 341796b5b458SDima Chumak 34183d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 34193d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 342073867881SPablo Neira Ayuso struct flow_action *flow_action, 34215d7cb06eSPaul Blakey u32 actions, 3422e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3423bdd66ac0SOr Gerlitz { 34245d7cb06eSPaul Blakey bool modify_ip_header; 3425fca53304SEli Britstein void *headers_c; 3426bdd66ac0SOr Gerlitz void *headers_v; 3427bdd66ac0SOr Gerlitz u16 ethertype; 34288998576bSDmytro Linkin u8 ip_proto; 3429bdd66ac0SOr Gerlitz 34308ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 34318ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3432bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3433bdd66ac0SOr Gerlitz 3434bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3435fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3436fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3437bdd66ac0SOr Gerlitz goto out_ok; 3438bdd66ac0SOr Gerlitz 34395d7cb06eSPaul Blakey modify_ip_header = is_flow_action_modify_ip_header(flow_action); 3440bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 34411ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 34421ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3443e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3444e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 34453d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 34463d486ec4SOz Shlomo ip_proto); 3447bdd66ac0SOr Gerlitz return false; 3448bdd66ac0SOr Gerlitz } 3449bdd66ac0SOr Gerlitz 3450bdd66ac0SOr Gerlitz out_ok: 3451bdd66ac0SOr Gerlitz return true; 3452bdd66ac0SOr Gerlitz } 3453bdd66ac0SOr Gerlitz 34549c1d3511SRoi Dayan static bool 34559c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 34569c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 34579c1d3511SRoi Dayan struct netlink_ext_ack *extack) 34589c1d3511SRoi Dayan { 3459d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 34609c1d3511SRoi Dayan 3461d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3462d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3463d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3464d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3465d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3466d4f401d9SRoi Dayan return false; 3467d4f401d9SRoi Dayan } 3468d4f401d9SRoi Dayan 34699c1d3511SRoi Dayan return true; 34709c1d3511SRoi Dayan } 34719c1d3511SRoi Dayan 34729c1d3511SRoi Dayan static bool 34739c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 347473867881SPablo Neira Ayuso struct flow_action *flow_action, 34750610f8dcSRoi Dayan u32 actions, 3476bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3477e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3478e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3479bdd66ac0SOr Gerlitz { 34809c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 34815d7cb06eSPaul Blakey !modify_header_match_supported(priv, &parse_attr->spec, flow_action, actions, 34825d7cb06eSPaul Blakey extack)) 348349397b80SDan Carpenter return false; 3484bdd66ac0SOr Gerlitz 34859c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 3486b97653d8SRoi Dayan !actions_match_supported_fdb(priv, flow, extack)) 34879c1d3511SRoi Dayan return false; 3488bdd66ac0SOr Gerlitz 3489bdd66ac0SOr Gerlitz return true; 3490bdd66ac0SOr Gerlitz } 3491bdd66ac0SOr Gerlitz 349232134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 349332134847SMaor Dickman { 349432134847SMaor Dickman return priv->mdev == peer_priv->mdev; 349532134847SMaor Dickman } 349632134847SMaor Dickman 3497ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 34985c65c564SOr Gerlitz { 34995c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3500816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 35015c65c564SOr Gerlitz 35025c65c564SOr Gerlitz fmdev = priv->mdev; 35035c65c564SOr Gerlitz pmdev = peer_priv->mdev; 35045c65c564SOr Gerlitz 350559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 350659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 35075c65c564SOr Gerlitz 3508816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 35095c65c564SOr Gerlitz } 35105c65c564SOr Gerlitz 35110bac1194SEli Britstein static int 3512d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3513d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3514d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3515d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3516d9581e2fSRoi Dayan { 3517d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 351809bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3519d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3520d9581e2fSRoi Dayan int err; 3521d9581e2fSRoi Dayan 3522d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3523d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3524d9581e2fSRoi Dayan return 0; 3525d9581e2fSRoi Dayan 3526e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3527d9581e2fSRoi Dayan 352809bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3529d9581e2fSRoi Dayan if (err) 3530d9581e2fSRoi Dayan return err; 3531d9581e2fSRoi Dayan 3532d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3533d9581e2fSRoi Dayan return 0; 3534d9581e2fSRoi Dayan 3535fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3536d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 35372c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3538d9581e2fSRoi Dayan 3539d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3540d9581e2fSRoi Dayan return 0; 3541d9581e2fSRoi Dayan 3542d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3543d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3544d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3545d9581e2fSRoi Dayan 3546d9581e2fSRoi Dayan return 0; 3547d9581e2fSRoi Dayan } 3548d9581e2fSRoi Dayan 35498300f225SRoi Dayan static struct mlx5_flow_attr* 35508300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 35518300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 35528300f225SRoi Dayan { 35538300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 35548300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 35558300f225SRoi Dayan struct mlx5_flow_attr *attr2; 35568300f225SRoi Dayan 35578300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 35588300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 35598300f225SRoi Dayan if (!attr2 || !parse_attr) { 35608300f225SRoi Dayan kvfree(parse_attr); 35618300f225SRoi Dayan kfree(attr2); 3562371c2b34SDan Carpenter return NULL; 35638300f225SRoi Dayan } 35648300f225SRoi Dayan 35658300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 35668300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 35678300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 35688300f225SRoi Dayan attr2->action = 0; 3569e9d1061dSOz Shlomo attr2->counter = NULL; 3570b23bf10cSOz Shlomo attr2->tc_act_cookies_count = 0; 35718300f225SRoi Dayan attr2->flags = 0; 35728300f225SRoi Dayan attr2->parse_attr = parse_attr; 357394d65173SRoi Dayan attr2->dest_chain = 0; 357494d65173SRoi Dayan attr2->dest_ft = NULL; 357567027828SPaul Blakey attr2->act_id_restore_rule = NULL; 357608fe94ecSPaul Blakey memset(&attr2->ct_attr, 0, sizeof(attr2->ct_attr)); 35777f1a6d4bSRoi Dayan 35787f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 35797f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 35807f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 35817f1a6d4bSRoi Dayan } 35827f1a6d4bSRoi Dayan 3583f86488cbSOz Shlomo attr2->branch_true = NULL; 3584f86488cbSOz Shlomo attr2->branch_false = NULL; 3585c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 35868300f225SRoi Dayan return attr2; 35878300f225SRoi Dayan } 35888300f225SRoi Dayan 35898300f225SRoi Dayan struct mlx5_flow_attr * 35908300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 35918300f225SRoi Dayan { 35928300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 35938300f225SRoi Dayan struct mlx5_flow_attr *attr; 35948300f225SRoi Dayan int i; 35958300f225SRoi Dayan 35968300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 35978300f225SRoi Dayan esw_attr = attr->esw_attr; 35988300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 35998300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 36008300f225SRoi Dayan return attr; 36018300f225SRoi Dayan } 36028300f225SRoi Dayan } 36038300f225SRoi Dayan 36048300f225SRoi Dayan return NULL; 36058300f225SRoi Dayan } 36068300f225SRoi Dayan 36078300f225SRoi Dayan void 36088300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 36098300f225SRoi Dayan { 36108300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 36118300f225SRoi Dayan struct mlx5_flow_attr *attr; 36128300f225SRoi Dayan 36138300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36148300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 36158300f225SRoi Dayan break; 36168300f225SRoi Dayan 36178300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 36188300f225SRoi Dayan } 36198300f225SRoi Dayan } 36208300f225SRoi Dayan 36218300f225SRoi Dayan static void 36228300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 36238300f225SRoi Dayan { 36248300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 36258300f225SRoi Dayan 36268300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 36278300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 36288300f225SRoi Dayan break; 36298300f225SRoi Dayan 3630a830ec48SPaul Blakey mlx5_free_flow_attr_actions(flow, attr); 36318300f225SRoi Dayan 36328300f225SRoi Dayan list_del(&attr->list); 36338300f225SRoi Dayan kvfree(attr->parse_attr); 36348300f225SRoi Dayan kfree(attr); 36358300f225SRoi Dayan } 36368300f225SRoi Dayan } 36378300f225SRoi Dayan 36388300f225SRoi Dayan int 36398300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 36408300f225SRoi Dayan { 36418300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 36428300f225SRoi Dayan struct mlx5_flow_attr *attr; 36438300f225SRoi Dayan int err = 0; 36448300f225SRoi Dayan 36458300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36468300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 36478300f225SRoi Dayan break; 36488300f225SRoi Dayan 36498300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 36508300f225SRoi Dayan if (err) 36518300f225SRoi Dayan break; 36528300f225SRoi Dayan } 36538300f225SRoi Dayan 36548300f225SRoi Dayan return err; 36558300f225SRoi Dayan } 36568300f225SRoi Dayan 36578300f225SRoi Dayan /* TC filter rule HW translation: 36588300f225SRoi Dayan * 36598300f225SRoi Dayan * +---------------------+ 36608300f225SRoi Dayan * + ft prio (tc chain) + 36618300f225SRoi Dayan * + original match + 36628300f225SRoi Dayan * +---------------------+ 36638300f225SRoi Dayan * | 36648300f225SRoi Dayan * | if multi table action 36658300f225SRoi Dayan * | 36668300f225SRoi Dayan * v 36678300f225SRoi Dayan * +---------------------+ 36688300f225SRoi Dayan * + post act ft |<----. 36698300f225SRoi Dayan * + match fte id | | split on multi table action 36708300f225SRoi Dayan * + do actions |-----' 36718300f225SRoi Dayan * +---------------------+ 36728300f225SRoi Dayan * | 36738300f225SRoi Dayan * | 36748300f225SRoi Dayan * v 36758300f225SRoi Dayan * Do rest of the actions after last multi table action. 36768300f225SRoi Dayan */ 36778300f225SRoi Dayan static int 36788300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 36798300f225SRoi Dayan { 36808300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 36818300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 36828300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 36838300f225SRoi Dayan int err; 36848300f225SRoi Dayan 36858300f225SRoi Dayan /* This is going in reverse order as needed. 36868300f225SRoi Dayan * The first entry is the last attribute. 36878300f225SRoi Dayan */ 36888300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36898300f225SRoi Dayan if (!next_attr) { 36908300f225SRoi Dayan /* Set counter action on last post act rule. */ 36918300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3692c84fa1abSOz Shlomo } 3693c84fa1abSOz Shlomo 3694c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 36958300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 36968300f225SRoi Dayan if (err) 36978300f225SRoi Dayan goto out_free; 36988300f225SRoi Dayan } 36998300f225SRoi Dayan 37008300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 37018300f225SRoi Dayan * It's being handled by the caller. 37028300f225SRoi Dayan */ 37038300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37048300f225SRoi Dayan break; 37058300f225SRoi Dayan 37068300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 37078300f225SRoi Dayan if (err) 37088300f225SRoi Dayan goto out_free; 37098300f225SRoi Dayan 3710ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 37118300f225SRoi Dayan if (err) 37128300f225SRoi Dayan goto out_free; 37138300f225SRoi Dayan 37148300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 37158300f225SRoi Dayan if (IS_ERR(handle)) { 37168300f225SRoi Dayan err = PTR_ERR(handle); 37178300f225SRoi Dayan goto out_free; 37188300f225SRoi Dayan } 37198300f225SRoi Dayan 37208300f225SRoi Dayan attr->post_act_handle = handle; 3721c84fa1abSOz Shlomo 3722c84fa1abSOz Shlomo if (attr->jumping_attr) { 3723c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3724c84fa1abSOz Shlomo if (err) 3725c84fa1abSOz Shlomo goto out_free; 3726c84fa1abSOz Shlomo } 3727c84fa1abSOz Shlomo 37288300f225SRoi Dayan next_attr = attr; 37298300f225SRoi Dayan } 37308300f225SRoi Dayan 37318300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 37328300f225SRoi Dayan goto out; 37338300f225SRoi Dayan 37348300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 37358300f225SRoi Dayan if (err) 37368300f225SRoi Dayan goto out_free; 37378300f225SRoi Dayan 37388300f225SRoi Dayan out: 37398300f225SRoi Dayan return 0; 37408300f225SRoi Dayan 37418300f225SRoi Dayan out_free: 37428300f225SRoi Dayan free_flow_post_acts(flow); 37438300f225SRoi Dayan return err; 37448300f225SRoi Dayan } 37458300f225SRoi Dayan 37468300f225SRoi Dayan static int 3747f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 3748f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 3749f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 3750f86488cbSOz Shlomo u32 *jump_count, 3751f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3752f86488cbSOz Shlomo { 3753f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 3754f86488cbSOz Shlomo int err = 0; 3755f86488cbSOz Shlomo 3756f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 3757f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 3758f86488cbSOz Shlomo if (!(*cond_attr)) 3759f86488cbSOz Shlomo return -ENOMEM; 3760f86488cbSOz Shlomo 3761f86488cbSOz Shlomo attr = *cond_attr; 3762f86488cbSOz Shlomo 3763f86488cbSOz Shlomo switch (cond->act_id) { 3764f86488cbSOz Shlomo case FLOW_ACTION_DROP: 3765f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3766f86488cbSOz Shlomo break; 3767f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 3768f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 3769f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3770f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3771f86488cbSOz Shlomo break; 3772f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 3773f86488cbSOz Shlomo if (*jump_count) { 3774f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 3775f86488cbSOz Shlomo err = -EOPNOTSUPP; 3776f86488cbSOz Shlomo goto out_err; 3777f86488cbSOz Shlomo } 3778f86488cbSOz Shlomo *jump_count = cond->extval; 3779f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3780f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3781f86488cbSOz Shlomo break; 3782f86488cbSOz Shlomo default: 3783f86488cbSOz Shlomo err = -EOPNOTSUPP; 3784f86488cbSOz Shlomo goto out_err; 3785f86488cbSOz Shlomo } 3786f86488cbSOz Shlomo 3787f86488cbSOz Shlomo return err; 3788f86488cbSOz Shlomo out_err: 3789f86488cbSOz Shlomo kfree(*cond_attr); 3790f86488cbSOz Shlomo *cond_attr = NULL; 3791f86488cbSOz Shlomo return err; 3792f86488cbSOz Shlomo } 3793f86488cbSOz Shlomo 3794c84fa1abSOz Shlomo static void 3795c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3796c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 3797c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 3798c84fa1abSOz Shlomo { 3799c84fa1abSOz Shlomo if (!jump_state->jump_count) 3800c84fa1abSOz Shlomo return; 3801c84fa1abSOz Shlomo 3802c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 3803c84fa1abSOz Shlomo * Jump only over a tc action 3804c84fa1abSOz Shlomo */ 3805c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 3806c84fa1abSOz Shlomo return; 3807c84fa1abSOz Shlomo 3808c84fa1abSOz Shlomo jump_state->last_id = act->id; 3809c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 3810c84fa1abSOz Shlomo 3811c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 3812c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 3813c84fa1abSOz Shlomo return; 3814c84fa1abSOz Shlomo 3815c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 3816c84fa1abSOz Shlomo 3817c84fa1abSOz Shlomo /* create a new attribute after this action */ 3818c84fa1abSOz Shlomo jump_state->jump_target = true; 3819c84fa1abSOz Shlomo 3820c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 3821c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 3822c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3823c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 3824c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 3825c84fa1abSOz Shlomo 3826c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3827c84fa1abSOz Shlomo post_act = get_post_action(priv); 3828c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 3829c84fa1abSOz Shlomo } 3830c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 3831c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 3832c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 3833c84fa1abSOz Shlomo */ 3834c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 3835c84fa1abSOz Shlomo } 3836c84fa1abSOz Shlomo } 3837c84fa1abSOz Shlomo 3838f86488cbSOz Shlomo static int 3839f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3840f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 3841c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 3842f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3843f86488cbSOz Shlomo { 3844f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 3845c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 3846f86488cbSOz Shlomo int err; 3847f86488cbSOz Shlomo 3848f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 3849f86488cbSOz Shlomo return 0; 3850f86488cbSOz Shlomo 3851f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 3852f86488cbSOz Shlomo 3853f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 3854f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 3855f86488cbSOz Shlomo if (err) 3856f86488cbSOz Shlomo goto out_err; 3857f86488cbSOz Shlomo 3858c84fa1abSOz Shlomo if (jump_count) 3859c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 3860c84fa1abSOz Shlomo 3861f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 3862f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 3863f86488cbSOz Shlomo if (err) 3864f86488cbSOz Shlomo goto err_branch_false; 3865f86488cbSOz Shlomo 3866c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 3867c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 3868c84fa1abSOz Shlomo 3869c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 3870e9d1061dSOz Shlomo 3871e9d1061dSOz Shlomo /* branching action requires its own counter */ 3872e9d1061dSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 38732b68d659SOz Shlomo flow_flag_set(flow, USE_ACT_STATS); 3874e9d1061dSOz Shlomo 3875f86488cbSOz Shlomo return 0; 3876f86488cbSOz Shlomo 3877f86488cbSOz Shlomo err_branch_false: 3878f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3879f86488cbSOz Shlomo out_err: 3880f86488cbSOz Shlomo return err; 3881f86488cbSOz Shlomo } 3882f86488cbSOz Shlomo 3883f86488cbSOz Shlomo static int 38848300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 38858300f225SRoi Dayan struct flow_action *flow_action) 38868300f225SRoi Dayan { 38878300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 38888300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 3889c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 38908300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 38918300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 38928300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 389313aca17bSPaul Blakey struct mlx5_flow_attr *prev_attr; 389467efaf45SPaul Blakey struct flow_action_entry *act; 38958300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 38965d862ec6SVlad Buslov int err, i, i_split = 0; 389713aca17bSPaul Blakey bool is_missable; 38988300f225SRoi Dayan 38998300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 39008300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 39018300f225SRoi Dayan 390267efaf45SPaul Blakey flow_action_for_each(i, act, flow_action) { 3903c84fa1abSOz Shlomo jump_state.jump_target = false; 390413aca17bSPaul Blakey is_missable = false; 390513aca17bSPaul Blakey prev_attr = attr; 390613aca17bSPaul Blakey 39078300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 39088300f225SRoi Dayan if (!tc_act) { 39098300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 39108300f225SRoi Dayan err = -EOPNOTSUPP; 391167efaf45SPaul Blakey goto out_free_post_acts; 39128300f225SRoi Dayan } 39138300f225SRoi Dayan 39140840c9f7SPaul Blakey if (tc_act->can_offload && !tc_act->can_offload(parse_state, act, i, attr)) { 39158300f225SRoi Dayan err = -EOPNOTSUPP; 391667efaf45SPaul Blakey goto out_free_post_acts; 39178300f225SRoi Dayan } 39188300f225SRoi Dayan 39198300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 39208300f225SRoi Dayan if (err) 392167efaf45SPaul Blakey goto out_free_post_acts; 39228300f225SRoi Dayan 3923c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 3924c84fa1abSOz Shlomo 3925c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 3926f86488cbSOz Shlomo if (err) 392767efaf45SPaul Blakey goto out_free_post_acts; 3928f86488cbSOz Shlomo 39298300f225SRoi Dayan parse_state->actions |= attr->action; 39308300f225SRoi Dayan 39318300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 3932c84fa1abSOz Shlomo if (jump_state.jump_target || 3933c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 39348300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 393567efaf45SPaul Blakey i < flow_action->num_entries - 1)) { 393613aca17bSPaul Blakey is_missable = tc_act->is_missable ? tc_act->is_missable(act) : false; 393713aca17bSPaul Blakey 39385d862ec6SVlad Buslov err = mlx5e_tc_act_post_parse(parse_state, flow_action, i_split, i, attr, 39395d862ec6SVlad Buslov ns_type); 39408300f225SRoi Dayan if (err) 394167efaf45SPaul Blakey goto out_free_post_acts; 39428300f225SRoi Dayan 39438300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 39448300f225SRoi Dayan if (!attr) { 39458300f225SRoi Dayan err = -ENOMEM; 394667efaf45SPaul Blakey goto out_free_post_acts; 39478300f225SRoi Dayan } 39488300f225SRoi Dayan 39495d862ec6SVlad Buslov i_split = i + 1; 39508300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 39518300f225SRoi Dayan } 395213aca17bSPaul Blakey 395313aca17bSPaul Blakey if (is_missable) { 395413aca17bSPaul Blakey /* Add counter to prev, and assign act to new (next) attr */ 395513aca17bSPaul Blakey prev_attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 395613aca17bSPaul Blakey flow_flag_set(flow, USE_ACT_STATS); 395713aca17bSPaul Blakey 395813aca17bSPaul Blakey attr->tc_act_cookies[attr->tc_act_cookies_count++] = act->cookie; 395913aca17bSPaul Blakey } else if (!tc_act->stats_action) { 396013aca17bSPaul Blakey prev_attr->tc_act_cookies[prev_attr->tc_act_cookies_count++] = act->cookie; 396113aca17bSPaul Blakey } 39628300f225SRoi Dayan } 39638300f225SRoi Dayan 39645d862ec6SVlad Buslov err = mlx5e_tc_act_post_parse(parse_state, flow_action, i_split, i, attr, ns_type); 39658300f225SRoi Dayan if (err) 39668300f225SRoi Dayan goto out_free_post_acts; 39678300f225SRoi Dayan 39688300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 39698300f225SRoi Dayan if (err) 39708300f225SRoi Dayan goto out_free_post_acts; 39718300f225SRoi Dayan 39728300f225SRoi Dayan return 0; 39738300f225SRoi Dayan 39748300f225SRoi Dayan out_free_post_acts: 39758300f225SRoi Dayan free_flow_post_acts(flow); 39768300f225SRoi Dayan 39778300f225SRoi Dayan return err; 39788300f225SRoi Dayan } 39798300f225SRoi Dayan 3980d9581e2fSRoi Dayan static int 3981df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3982df990477SRoi Dayan struct netlink_ext_ack *extack) 3983df990477SRoi Dayan { 3984df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3985df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3986df990477SRoi Dayan return -EINVAL; 3987df990477SRoi Dayan } 3988df990477SRoi Dayan 3989df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3990df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3991df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3992df990477SRoi Dayan return -EOPNOTSUPP; 3993df990477SRoi Dayan } 3994df990477SRoi Dayan 3995df990477SRoi Dayan return 0; 3996df990477SRoi Dayan } 3997df990477SRoi Dayan 3998df990477SRoi Dayan static int 3999d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 400073867881SPablo Neira Ayuso struct flow_action *flow_action, 4001e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 4002e98bedf5SEli Britstein struct netlink_ext_ack *extack) 4003e3a2b7edSAmir Vadai { 4004fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4005c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4006c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 40078333d53eSRoi Dayan int err; 4008e3a2b7edSAmir Vadai 4009df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4010df990477SRoi Dayan if (err) 4011df990477SRoi Dayan return err; 4012319a1d19SJiri Pirko 4013fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 4014c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 4015fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4016fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4017758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4018e3a2b7edSAmir Vadai 40198333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4020fad54790SRoi Dayan if (err) 4021fad54790SRoi Dayan return err; 4022e3a2b7edSAmir Vadai 402309bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4024d9581e2fSRoi Dayan if (err) 4025d9581e2fSRoi Dayan return err; 4026d9581e2fSRoi Dayan 402764426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 402864426382SOz Shlomo if (err) 402964426382SOz Shlomo return err; 403064426382SOz Shlomo 40310610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 40320610f8dcSRoi Dayan parse_attr, flow, extack)) 4033bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4034bdd66ac0SOr Gerlitz 4035e3a2b7edSAmir Vadai return 0; 4036e3a2b7edSAmir Vadai } 4037e3a2b7edSAmir Vadai 403832134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4039b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4040b1d90e6bSRabie Loulou { 4041b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4042b1d90e6bSRabie Loulou 4043b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4044b1d90e6bSRabie Loulou 4045b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 404632134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 404732134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4048ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4049d34eb2fcSOr Gerlitz } 4050d34eb2fcSOr Gerlitz 405132134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 405232134847SMaor Dickman struct net_device *peer_netdev) 405332134847SMaor Dickman { 405432134847SMaor Dickman struct mlx5e_priv *peer_priv; 405532134847SMaor Dickman 405632134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 405732134847SMaor Dickman 405832134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 405932134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4060ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 406132134847SMaor Dickman } 406232134847SMaor Dickman 406332134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 406432134847SMaor Dickman struct net_device *peer_netdev) 406532134847SMaor Dickman { 406632134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 406732134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 406832134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 406932134847SMaor Dickman } 407032134847SMaor Dickman 407194db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 407294db3317SEli Cohen { 40738ce81fc0SRoi Dayan return same_hw_reps(priv, out_dev) && mlx5_lag_is_mpesw(priv->mdev); 407494db3317SEli Cohen } 407594db3317SEli Cohen 4076f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4077f6dc1264SPaul Blakey struct net_device *out_dev) 4078f6dc1264SPaul Blakey { 407932134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 408032134847SMaor Dickman return true; 408132134847SMaor Dickman 408294db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 408394db3317SEli Cohen return true; 408494db3317SEli Cohen 408532134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4086f6dc1264SPaul Blakey return true; 4087f6dc1264SPaul Blakey 4088f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 408932134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4090f6dc1264SPaul Blakey } 4091f6dc1264SPaul Blakey 409227484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 409327484f71SAriel Levkovich struct mlx5_flow_attr *attr, 409427484f71SAriel Levkovich int ifindex, 409527484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 409627484f71SAriel Levkovich u32 *action, 409727484f71SAriel Levkovich int out_index) 409827484f71SAriel Levkovich { 409927484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 410027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 410127484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 410227484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 410327484f71SAriel Levkovich int err; 410427484f71SAriel Levkovich 410527484f71SAriel Levkovich parse_attr = attr->parse_attr; 410627484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 410727484f71SAriel Levkovich 410827484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 410927484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 411027484f71SAriel Levkovich return PTR_ERR(dest_int_port); 411127484f71SAriel Levkovich 411227484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 411327484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 411427484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 411527484f71SAriel Levkovich if (err) { 411627484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 411727484f71SAriel Levkovich return err; 411827484f71SAriel Levkovich } 411927484f71SAriel Levkovich 412027484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 412127484f71SAriel Levkovich 412227484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 412327484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 412428d3815aSMaor Dickman esw_attr->split_count = out_index; 412527484f71SAriel Levkovich 412627484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 412727484f71SAriel Levkovich attr->dest_chain = 0; 412827484f71SAriel Levkovich 412927484f71SAriel Levkovich return 0; 413027484f71SAriel Levkovich } 413127484f71SAriel Levkovich 41328333d53eSRoi Dayan static int 41338333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 413473867881SPablo Neira Ayuso struct flow_action *flow_action, 4135e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 413670f8019eSRoi Dayan struct netlink_ext_ack *extack) 4137a54e20b4SHadar Hen Zion { 4138fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4139c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4140c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4141c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4142f382a241SAriel Levkovich struct net_device *filter_dev; 41438333d53eSRoi Dayan int err; 414403a9d11eSOr Gerlitz 4145df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4146df990477SRoi Dayan if (err) 4147df990477SRoi Dayan return err; 4148319a1d19SJiri Pirko 4149c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4150c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4151f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4152fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4153fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4154758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4155c620b772SAriel Levkovich 41568333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4157fad54790SRoi Dayan if (err) 4158fad54790SRoi Dayan return err; 4159bdd66ac0SOr Gerlitz 4160166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4161f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4162166f431eSAriel Levkovich esw_attr->out_count > 1) { 416327484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4164166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 416527484f71SAriel Levkovich return -EOPNOTSUPP; 416627484f71SAriel Levkovich } 416727484f71SAriel Levkovich 4168f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4169f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4170f382a241SAriel Levkovich esw_attr->dest_int_port) { 4171f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4172f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4173f382a241SAriel Levkovich return -EOPNOTSUPP; 4174f382a241SAriel Levkovich } 4175f382a241SAriel Levkovich 417609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4177c500c86bSPablo Neira Ayuso if (err) 4178c500c86bSPablo Neira Ayuso return err; 4179c500c86bSPablo Neira Ayuso 41800610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 41810610f8dcSRoi Dayan parse_attr, flow, extack)) 4182bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4183bdd66ac0SOr Gerlitz 418431c8eba5SOr Gerlitz return 0; 418503a9d11eSOr Gerlitz } 418603a9d11eSOr Gerlitz 4187226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 418860bd4af8SOr Gerlitz { 4189226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 419060bd4af8SOr Gerlitz 4191226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4192226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4193226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4194226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 419560bd4af8SOr Gerlitz 4196226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4197226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4198226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4199226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 420084179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 420184179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4202d9ee0491SOr Gerlitz 420360bd4af8SOr Gerlitz *flow_flags = __flow_flags; 420460bd4af8SOr Gerlitz } 420560bd4af8SOr Gerlitz 420605866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 420705866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 420805866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 420905866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 421005866c82SOr Gerlitz .automatic_shrinking = true, 421105866c82SOr Gerlitz }; 421205866c82SOr Gerlitz 4213226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4214226f2ca3SVlad Buslov unsigned long flags) 421505866c82SOr Gerlitz { 4216f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4217d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4218655dc3d2SOr Gerlitz 4219226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4220d1a3138fSPaul Blakey rpriv = priv->ppriv; 4221d1a3138fSPaul Blakey return &rpriv->tc_ht; 4222d9ee0491SOr Gerlitz } else /* NIC offload */ 4223f52f2faeSLama Kayal return &tc->ht; 422405866c82SOr Gerlitz } 422505866c82SOr Gerlitz 422604de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 422704de7ddaSRoi Dayan { 4228c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4229c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4230c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4231226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 42321418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 42331418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4234e67f928aSShay Drory bool esw_paired = mlx5_devcom_comp_is_ready(esw_attr->in_mdev->priv.devcom, 42351418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 42361418ddd9SAviv Heller 423710fbb1cdSRoi Dayan if (!esw_paired) 423810fbb1cdSRoi Dayan return false; 423910fbb1cdSRoi Dayan 4240c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4241c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 424210fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 424310fbb1cdSRoi Dayan return true; 424410fbb1cdSRoi Dayan 42458ce81fc0SRoi Dayan if (mlx5_lag_is_mpesw(esw_attr->in_mdev)) 42468ce81fc0SRoi Dayan return true; 42478ce81fc0SRoi Dayan 424810fbb1cdSRoi Dayan return false; 424904de7ddaSRoi Dayan } 425004de7ddaSRoi Dayan 4251c620b772SAriel Levkovich struct mlx5_flow_attr * 4252c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4253c620b772SAriel Levkovich { 4254c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4255c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4256c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4257c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4258c620b772SAriel Levkovich 42598300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 42608300f225SRoi Dayan if (!attr) 42618300f225SRoi Dayan return attr; 42628300f225SRoi Dayan 42638300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 42648300f225SRoi Dayan return attr; 4265c620b772SAriel Levkovich } 4266c620b772SAriel Levkovich 4267f86488cbSOz Shlomo static void 4268a830ec48SPaul Blakey mlx5_free_flow_attr_actions(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4269f86488cbSOz Shlomo { 4270f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4271f86488cbSOz Shlomo 4272f86488cbSOz Shlomo if (!attr) 4273f86488cbSOz Shlomo return; 4274f86488cbSOz Shlomo 4275f86488cbSOz Shlomo if (attr->post_act_handle) 4276f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4277f86488cbSOz Shlomo 4278e2ab5aa1SChris Mi mlx5e_tc_tun_encap_dests_unset(flow->priv, flow, attr); 4279f86488cbSOz Shlomo 4280f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4281f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4282f86488cbSOz Shlomo 4283f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4284f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4285ef78b8d5SRoi Dayan mlx5e_tc_detach_mod_hdr(flow->priv, flow, attr); 4286f86488cbSOz Shlomo } 4287a830ec48SPaul Blakey 428808fe94ecSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 428908fe94ecSPaul Blakey 4290a830ec48SPaul Blakey free_branch_attr(flow, attr->branch_true); 4291a830ec48SPaul Blakey free_branch_attr(flow, attr->branch_false); 4292f86488cbSOz Shlomo } 4293f86488cbSOz Shlomo 4294a88780a9SRoi Dayan static int 4295a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4296226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4297a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4298a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4299e3a2b7edSAmir Vadai { 430017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4301c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 43023bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4303ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4304ff7ea04aSGustavo A. R. Silva int out_index; 4305776b12b6SOr Gerlitz 4306c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 43071b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4308ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4309ff7ea04aSGustavo A. R. Silva goto err_free; 4310c620b772SAriel Levkovich 4311c620b772SAriel Levkovich flow->flags = flow_flags; 4312c620b772SAriel Levkovich flow->cookie = f->cookie; 4313c620b772SAriel Levkovich flow->priv = priv; 4314c620b772SAriel Levkovich 4315e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4316ff7ea04aSGustavo A. R. Silva if (!attr) 4317e3a2b7edSAmir Vadai goto err_free; 4318ff7ea04aSGustavo A. R. Silva 4319c620b772SAriel Levkovich flow->attr = attr; 4320e3a2b7edSAmir Vadai 43215a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 43225a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 43235a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 432414e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 43258300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 4326953bb24dSMark Bloch INIT_LIST_HEAD(&flow->peer_flows); 43275a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 432895435ad7SVlad Buslov init_completion(&flow->init_done); 4329362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4330e3a2b7edSAmir Vadai 4331a88780a9SRoi Dayan *__flow = flow; 4332a88780a9SRoi Dayan *__parse_attr = parse_attr; 4333a88780a9SRoi Dayan 4334a88780a9SRoi Dayan return 0; 4335a88780a9SRoi Dayan 4336a88780a9SRoi Dayan err_free: 4337a88780a9SRoi Dayan kfree(flow); 4338a88780a9SRoi Dayan kvfree(parse_attr); 4339a88780a9SRoi Dayan return err; 4340adb4c123SOr Gerlitz } 4341adb4c123SOr Gerlitz 4342988ab9c7STonghao Zhang static void 4343c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4344c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4345c7569097SAriel Levkovich struct flow_cls_offload *f) 4346c7569097SAriel Levkovich { 4347c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4348c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4349c7569097SAriel Levkovich attr->prio = f->common.prio; 4350c7569097SAriel Levkovich } 4351c7569097SAriel Levkovich 4352c7569097SAriel Levkovich static void 4353c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4354988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4355988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4356f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4357988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4358988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4359988ab9c7STonghao Zhang { 4360988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4361c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4362988ab9c7STonghao Zhang 4363c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4364988ab9c7STonghao Zhang 4365988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4366988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4367988ab9c7STonghao Zhang 4368988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4369988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4370988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4371988ab9c7STonghao Zhang else 4372988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4373988ab9c7STonghao Zhang } 4374988ab9c7STonghao Zhang 437571129676SJason Gunthorpe static struct mlx5e_tc_flow * 437604de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4377f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4378226f2ca3SVlad Buslov unsigned long flow_flags, 4379d11afc26SOz Shlomo struct net_device *filter_dev, 438004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 438171129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4382a88780a9SRoi Dayan { 4383f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4384a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4385a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4386a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4387a88780a9SRoi Dayan int attr_size, err; 4388a88780a9SRoi Dayan 4389226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4390a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4391a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4392a88780a9SRoi Dayan &parse_attr, &flow); 4393a88780a9SRoi Dayan if (err) 4394a88780a9SRoi Dayan goto out; 4395988ab9c7STonghao Zhang 4396d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4397c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4398988ab9c7STonghao Zhang priv, parse_attr, 4399988ab9c7STonghao Zhang f, in_rep, in_mdev); 4400988ab9c7STonghao Zhang 440154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 440254c177caSOz Shlomo f, filter_dev); 4403d11afc26SOz Shlomo if (err) 4404d11afc26SOz Shlomo goto err_free; 4405a88780a9SRoi Dayan 44067e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4407aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4408c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4409a88780a9SRoi Dayan if (err) 4410a88780a9SRoi Dayan goto err_free; 4411a88780a9SRoi Dayan 441270f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 44134c3844d9SPaul Blakey if (err) 44144c3844d9SPaul Blakey goto err_free; 44154c3844d9SPaul Blakey 44167040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 441795435ad7SVlad Buslov complete_all(&flow->init_done); 4418ef06c9eeSRoi Dayan if (err) { 4419ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4420a32327a3SRoi Dayan goto err_free; 44215c40348cSOr Gerlitz 4422b4a23329SRoi Dayan add_unready_flow(flow); 4423ef06c9eeSRoi Dayan } 4424ef06c9eeSRoi Dayan 442571129676SJason Gunthorpe return flow; 4426e3a2b7edSAmir Vadai 4427e3a2b7edSAmir Vadai err_free: 44285a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4429a88780a9SRoi Dayan out: 443071129676SJason Gunthorpe return ERR_PTR(err); 4431a88780a9SRoi Dayan } 4432a88780a9SRoi Dayan 4433f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 443495dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4435b1661efaSShay Drory unsigned long flow_flags, 4436b1661efaSShay Drory struct mlx5_eswitch *peer_esw) 443704de7ddaSRoi Dayan { 443804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 4439b1661efaSShay Drory struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4440c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 444104de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 44429be6c21fSShay Drory int i = mlx5_get_dev_index(peer_esw->dev); 444304de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 444404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 444504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 444604de7ddaSRoi Dayan int err = 0; 444704de7ddaSRoi Dayan 444804de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 444904de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 445004de7ddaSRoi Dayan 445104de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 445204de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 445304de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 445404de7ddaSRoi Dayan * peer mdev. 44558ce81fc0SRoi Dayan * In multiport eswitch it's a special case that we need to 44568ce81fc0SRoi Dayan * keep the original mdev. 445704de7ddaSRoi Dayan */ 44588ce81fc0SRoi Dayan if (attr->in_rep->vport == MLX5_VPORT_UPLINK && !mlx5_lag_is_mpesw(priv->mdev)) 445904de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 446004de7ddaSRoi Dayan else 446104de7ddaSRoi Dayan in_mdev = priv->mdev; 446204de7ddaSRoi Dayan 4463c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 446495dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 446504de7ddaSRoi Dayan parse_attr->filter_dev, 4466c620b772SAriel Levkovich attr->in_rep, in_mdev); 446771129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 446871129676SJason Gunthorpe err = PTR_ERR(peer_flow); 446904de7ddaSRoi Dayan goto out; 447071129676SJason Gunthorpe } 447104de7ddaSRoi Dayan 4472953bb24dSMark Bloch list_add_tail(&peer_flow->peer_flows, &flow->peer_flows); 4473226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 447404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 44759be6c21fSShay Drory list_add_tail(&flow->peer[i], &esw->offloads.peer_flows[i]); 447604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 447704de7ddaSRoi Dayan 447804de7ddaSRoi Dayan out: 447904de7ddaSRoi Dayan return err; 448004de7ddaSRoi Dayan } 448104de7ddaSRoi Dayan 448204de7ddaSRoi Dayan static int 448304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4484f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4485226f2ca3SVlad Buslov unsigned long flow_flags, 448604de7ddaSRoi Dayan struct net_device *filter_dev, 448704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 448804de7ddaSRoi Dayan { 4489b1661efaSShay Drory struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 449004de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 449104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 449204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 4493b1661efaSShay Drory struct mlx5_eswitch *peer_esw; 449404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 449504de7ddaSRoi Dayan int err; 449690ca127cSSaeed Mahameed int i; 449704de7ddaSRoi Dayan 449871129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 449971129676SJason Gunthorpe in_mdev); 450071129676SJason Gunthorpe if (IS_ERR(flow)) 450171129676SJason Gunthorpe return PTR_ERR(flow); 450204de7ddaSRoi Dayan 4503b1661efaSShay Drory if (!is_peer_flow_needed(flow)) { 4504b1661efaSShay Drory *__flow = flow; 4505b1661efaSShay Drory return 0; 450604de7ddaSRoi Dayan } 4507b1661efaSShay Drory 450890ca127cSSaeed Mahameed if (!mlx5_devcom_for_each_peer_begin(devcom, MLX5_DEVCOM_ESW_OFFLOADS)) { 4509b1661efaSShay Drory err = -ENODEV; 4510b1661efaSShay Drory goto clean_flow; 451104de7ddaSRoi Dayan } 451204de7ddaSRoi Dayan 451390ca127cSSaeed Mahameed mlx5_devcom_for_each_peer_entry(devcom, 451490ca127cSSaeed Mahameed MLX5_DEVCOM_ESW_OFFLOADS, 451590ca127cSSaeed Mahameed peer_esw, i) { 4516b1661efaSShay Drory err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags, peer_esw); 4517b1661efaSShay Drory if (err) 4518b1661efaSShay Drory goto peer_clean; 451990ca127cSSaeed Mahameed } 452090ca127cSSaeed Mahameed 452190ca127cSSaeed Mahameed mlx5_devcom_for_each_peer_end(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 4522b1661efaSShay Drory 452304de7ddaSRoi Dayan *__flow = flow; 452404de7ddaSRoi Dayan return 0; 452504de7ddaSRoi Dayan 4526b1661efaSShay Drory peer_clean: 452790ca127cSSaeed Mahameed mlx5e_tc_del_fdb_peers_flow(flow); 452890ca127cSSaeed Mahameed mlx5_devcom_for_each_peer_end(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 4529b1661efaSShay Drory clean_flow: 4530b1661efaSShay Drory mlx5e_tc_del_fdb_flow(priv, flow); 453104de7ddaSRoi Dayan return err; 453204de7ddaSRoi Dayan } 453304de7ddaSRoi Dayan 4534a88780a9SRoi Dayan static int 4535a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4536f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4537226f2ca3SVlad Buslov unsigned long flow_flags, 4538d11afc26SOz Shlomo struct net_device *filter_dev, 4539a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4540a88780a9SRoi Dayan { 4541f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4542a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4543a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4544a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4545a88780a9SRoi Dayan int attr_size, err; 4546a88780a9SRoi Dayan 4547c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4548bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4549bf07aa73SPaul Blakey return -EOPNOTSUPP; 4550c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4551c7569097SAriel Levkovich return -EOPNOTSUPP; 4552c7569097SAriel Levkovich } 4553bf07aa73SPaul Blakey 4554226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4555a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4556a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4557a88780a9SRoi Dayan &parse_attr, &flow); 4558a88780a9SRoi Dayan if (err) 4559a88780a9SRoi Dayan goto out; 4560a88780a9SRoi Dayan 4561d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4562c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4563c7569097SAriel Levkovich 456454c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 456554c177caSOz Shlomo f, filter_dev); 4566d11afc26SOz Shlomo if (err) 4567d11afc26SOz Shlomo goto err_free; 4568d11afc26SOz Shlomo 4569aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4570aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4571aedd133dSAriel Levkovich if (err) 4572aedd133dSAriel Levkovich goto err_free; 4573aedd133dSAriel Levkovich 4574c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4575a88780a9SRoi Dayan if (err) 4576a88780a9SRoi Dayan goto err_free; 4577a88780a9SRoi Dayan 4578c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4579a88780a9SRoi Dayan if (err) 4580a88780a9SRoi Dayan goto err_free; 4581a88780a9SRoi Dayan 4582226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4583a88780a9SRoi Dayan *__flow = flow; 4584a88780a9SRoi Dayan 4585a88780a9SRoi Dayan return 0; 4586a88780a9SRoi Dayan 4587a88780a9SRoi Dayan err_free: 45888914add2SVlad Buslov flow_flag_set(flow, FAILED); 45892c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 45905a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4591a88780a9SRoi Dayan out: 4592a88780a9SRoi Dayan return err; 4593a88780a9SRoi Dayan } 4594a88780a9SRoi Dayan 4595a88780a9SRoi Dayan static int 4596a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4597f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4598226f2ca3SVlad Buslov unsigned long flags, 4599d11afc26SOz Shlomo struct net_device *filter_dev, 4600a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4601a88780a9SRoi Dayan { 4602a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4603226f2ca3SVlad Buslov unsigned long flow_flags; 4604a88780a9SRoi Dayan int err; 4605a88780a9SRoi Dayan 4606a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4607a88780a9SRoi Dayan 4608bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4609bf07aa73SPaul Blakey return -EOPNOTSUPP; 4610bf07aa73SPaul Blakey 4611f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4612d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4613d11afc26SOz Shlomo filter_dev, flow); 4614a88780a9SRoi Dayan else 4615d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4616d11afc26SOz Shlomo filter_dev, flow); 4617a88780a9SRoi Dayan 4618a88780a9SRoi Dayan return err; 4619a88780a9SRoi Dayan } 4620a88780a9SRoi Dayan 4621553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4622553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4623553f9328SVu Pham { 4624553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 46252fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 46262fb15e72SVlad Buslov * function is called from NIC mode. 4627553f9328SVu Pham */ 46282fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4629553f9328SVu Pham } 4630553f9328SVu Pham 463171d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4632226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4633a88780a9SRoi Dayan { 4634a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4635d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4636553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4637a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4638a88780a9SRoi Dayan int err = 0; 4639a88780a9SRoi Dayan 46407dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4641794131c4SJianbo Liu return -EBUSY; 46427dc84de9SRoi Dayan 46437dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 46447dc84de9SRoi Dayan 4645c5d326b2SVlad Buslov rcu_read_lock(); 4646c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4647a88780a9SRoi Dayan if (flow) { 4648553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4649553f9328SVu Pham * just return 0. 4650553f9328SVu Pham */ 4651553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4652c1aea9e1SVlad Buslov goto rcu_unlock; 4653553f9328SVu Pham 4654a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4655a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4656a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4657a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4658a88780a9SRoi Dayan f->cookie); 46590e1c1a2fSVlad Buslov err = -EEXIST; 4660c1aea9e1SVlad Buslov goto rcu_unlock; 4661a88780a9SRoi Dayan } 4662c1aea9e1SVlad Buslov rcu_unlock: 4663c1aea9e1SVlad Buslov rcu_read_unlock(); 4664c1aea9e1SVlad Buslov if (flow) 4665c1aea9e1SVlad Buslov goto out; 4666a88780a9SRoi Dayan 46677a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4668d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4669a88780a9SRoi Dayan if (err) 4670a88780a9SRoi Dayan goto out; 4671a88780a9SRoi Dayan 4672553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4673553f9328SVu Pham * set the flow's owner dev. 4674553f9328SVu Pham */ 4675553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4676553f9328SVu Pham flow->orig_dev = dev; 4677553f9328SVu Pham 4678c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4679a88780a9SRoi Dayan if (err) 4680a88780a9SRoi Dayan goto err_free; 4681a88780a9SRoi Dayan 46827dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4683a88780a9SRoi Dayan return 0; 4684a88780a9SRoi Dayan 4685a88780a9SRoi Dayan err_free: 46865a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4687a88780a9SRoi Dayan out: 46887dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 46897dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4690e3a2b7edSAmir Vadai return err; 4691e3a2b7edSAmir Vadai } 4692e3a2b7edSAmir Vadai 46938f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 46948f8ae895SOr Gerlitz { 4695226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4696226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 46978f8ae895SOr Gerlitz 4698226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4699226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 47008f8ae895SOr Gerlitz } 47018f8ae895SOr Gerlitz 470271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4703226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4704e3a2b7edSAmir Vadai { 4705d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4706e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4707c5d326b2SVlad Buslov int err; 4708e3a2b7edSAmir Vadai 4709c5d326b2SVlad Buslov rcu_read_lock(); 4710ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4711c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4712c5d326b2SVlad Buslov err = -EINVAL; 4713c5d326b2SVlad Buslov goto errout; 4714c5d326b2SVlad Buslov } 4715e3a2b7edSAmir Vadai 4716c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4717c5d326b2SVlad Buslov * set. 4718c5d326b2SVlad Buslov */ 4719c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4720c5d326b2SVlad Buslov err = -EINVAL; 4721c5d326b2SVlad Buslov goto errout; 4722c5d326b2SVlad Buslov } 472305866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4724c5d326b2SVlad Buslov rcu_read_unlock(); 4725e3a2b7edSAmir Vadai 47267a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 47275a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4728e3a2b7edSAmir Vadai 47297dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4730e3a2b7edSAmir Vadai return 0; 4731c5d326b2SVlad Buslov 4732c5d326b2SVlad Buslov errout: 4733c5d326b2SVlad Buslov rcu_read_unlock(); 4734c5d326b2SVlad Buslov return err; 4735e3a2b7edSAmir Vadai } 4736e3a2b7edSAmir Vadai 47372b68d659SOz Shlomo int mlx5e_tc_fill_action_stats(struct mlx5e_priv *priv, 47382b68d659SOz Shlomo struct flow_offload_action *fl_act) 47392b68d659SOz Shlomo { 47402b68d659SOz Shlomo return mlx5e_tc_act_stats_fill_stats(get_act_stats_handle(priv), fl_act); 47412b68d659SOz Shlomo } 47422b68d659SOz Shlomo 474371d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4744226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4745aad7e08dSAmir Vadai { 474604de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4747d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4748aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4749aad7e08dSAmir Vadai struct mlx5_fc *counter; 4750316d5f72SRoi Dayan u64 lastuse = 0; 4751316d5f72SRoi Dayan u64 packets = 0; 4752316d5f72SRoi Dayan u64 bytes = 0; 47535a7e5bcbSVlad Buslov int err = 0; 4754aad7e08dSAmir Vadai 4755c5d326b2SVlad Buslov rcu_read_lock(); 4756c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 47575a7e5bcbSVlad Buslov tc_ht_params)); 4758c5d326b2SVlad Buslov rcu_read_unlock(); 47595a7e5bcbSVlad Buslov if (IS_ERR(flow)) 47605a7e5bcbSVlad Buslov return PTR_ERR(flow); 47615a7e5bcbSVlad Buslov 47625a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 47635a7e5bcbSVlad Buslov err = -EINVAL; 47645a7e5bcbSVlad Buslov goto errout; 47655a7e5bcbSVlad Buslov } 4766aad7e08dSAmir Vadai 476708fe94ecSPaul Blakey if (mlx5e_is_offloaded_flow(flow)) { 47682b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 47692b68d659SOz Shlomo f->use_act_stats = true; 47702b68d659SOz Shlomo } else { 4771b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4772aad7e08dSAmir Vadai if (!counter) 47735a7e5bcbSVlad Buslov goto errout; 4774aad7e08dSAmir Vadai 4775aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4776316d5f72SRoi Dayan } 47772b68d659SOz Shlomo } 4778aad7e08dSAmir Vadai 4779316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4780316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4781316d5f72SRoi Dayan */ 478290ca127cSSaeed Mahameed if (!mlx5_devcom_for_each_peer_begin(devcom, MLX5_DEVCOM_ESW_OFFLOADS)) 478304de7ddaSRoi Dayan goto out; 478404de7ddaSRoi Dayan 4785953bb24dSMark Bloch if (flow_flag_test(flow, DUP)) { 4786953bb24dSMark Bloch struct mlx5e_tc_flow *peer_flow; 4787953bb24dSMark Bloch 4788953bb24dSMark Bloch list_for_each_entry(peer_flow, &flow->peer_flows, peer_flows) { 478904de7ddaSRoi Dayan u64 packets2; 479004de7ddaSRoi Dayan u64 lastuse2; 4791953bb24dSMark Bloch u64 bytes2; 479204de7ddaSRoi Dayan 4793953bb24dSMark Bloch if (!flow_flag_test(peer_flow, OFFLOADED)) 4794953bb24dSMark Bloch continue; 47952b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 47962b68d659SOz Shlomo f->use_act_stats = true; 4797953bb24dSMark Bloch break; 4798953bb24dSMark Bloch } 4799953bb24dSMark Bloch 4800953bb24dSMark Bloch counter = mlx5e_tc_get_counter(peer_flow); 4801316d5f72SRoi Dayan if (!counter) 4802316d5f72SRoi Dayan goto no_peer_counter; 4803953bb24dSMark Bloch mlx5_fc_query_cached(counter, &bytes2, &packets2, 4804953bb24dSMark Bloch &lastuse2); 480504de7ddaSRoi Dayan 480604de7ddaSRoi Dayan bytes += bytes2; 480704de7ddaSRoi Dayan packets += packets2; 480804de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 480904de7ddaSRoi Dayan } 48102b68d659SOz Shlomo } 481104de7ddaSRoi Dayan 4812316d5f72SRoi Dayan no_peer_counter: 481390ca127cSSaeed Mahameed mlx5_devcom_for_each_peer_end(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 481404de7ddaSRoi Dayan out: 48154b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 481693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 48177a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 48185a7e5bcbSVlad Buslov errout: 48195a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 48205a7e5bcbSVlad Buslov return err; 4821aad7e08dSAmir Vadai } 4822aad7e08dSAmir Vadai 48231fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4824fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4825fcb64c0fSEli Cohen { 4826fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4827fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 48281fe3e316SParav Pandit u32 rate_mbps = 0; 4829fcb64c0fSEli Cohen u16 vport_num; 4830fcb64c0fSEli Cohen int err; 4831fcb64c0fSEli Cohen 4832e401a184SEli Cohen vport_num = rpriv->rep->vport; 4833e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4834e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4835e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4836e401a184SEli Cohen return -EOPNOTSUPP; 4837e401a184SEli Cohen } 4838e401a184SEli Cohen 4839fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4840fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4841fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4842fcb64c0fSEli Cohen * mbit means million bits. 4843fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4844fcb64c0fSEli Cohen * 1 mbit/sec. 4845fcb64c0fSEli Cohen */ 48461fe3e316SParav Pandit if (rate) { 48471fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 48488b90d897SParav Pandit do_div(rate, 1000000); 48498b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 48501fe3e316SParav Pandit } 48511fe3e316SParav Pandit 48522d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4853fcb64c0fSEli Cohen if (err) 4854fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4855fcb64c0fSEli Cohen 4856fcb64c0fSEli Cohen return err; 4857fcb64c0fSEli Cohen } 4858fcb64c0fSEli Cohen 48593603f266SOz Shlomo static int 48603603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 4861d97b4b10SJianbo Liu const struct flow_action_entry *act, 4862d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 4863d97b4b10SJianbo Liu { 48643603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 48653603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 48663603f266SOz Shlomo "Offload not supported when conform action is not continue"); 48673603f266SOz Shlomo return -EOPNOTSUPP; 48683603f266SOz Shlomo } 48693603f266SOz Shlomo 4870d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 4871d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4872d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 4873d97b4b10SJianbo Liu return -EOPNOTSUPP; 4874d97b4b10SJianbo Liu } 4875d97b4b10SJianbo Liu 4876d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 4877d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 4878d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4879d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 4880d97b4b10SJianbo Liu return -EOPNOTSUPP; 4881d97b4b10SJianbo Liu } 4882d97b4b10SJianbo Liu 4883d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 4884d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 4885d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4886d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 4887d97b4b10SJianbo Liu return -EOPNOTSUPP; 4888d97b4b10SJianbo Liu } 4889d97b4b10SJianbo Liu 4890d97b4b10SJianbo Liu return 0; 4891d97b4b10SJianbo Liu } 4892d97b4b10SJianbo Liu 4893fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4894fcb64c0fSEli Cohen struct flow_action *flow_action, 4895fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4896fcb64c0fSEli Cohen { 4897fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4898fcb64c0fSEli Cohen const struct flow_action_entry *act; 4899fcb64c0fSEli Cohen int err; 4900fcb64c0fSEli Cohen int i; 4901fcb64c0fSEli Cohen 4902fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4903fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4904fcb64c0fSEli Cohen return -EINVAL; 4905fcb64c0fSEli Cohen } 4906fcb64c0fSEli Cohen 4907fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4908fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4909fcb64c0fSEli Cohen return -EOPNOTSUPP; 4910fcb64c0fSEli Cohen } 4911fcb64c0fSEli Cohen 49120885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 49130885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4914319a1d19SJiri Pirko return -EOPNOTSUPP; 49150885ae1aSAbhiram R N } 4916319a1d19SJiri Pirko 4917fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4918fcb64c0fSEli Cohen switch (act->id) { 4919fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 49203603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 4921d97b4b10SJianbo Liu if (err) 4922d97b4b10SJianbo Liu return err; 4923d97b4b10SJianbo Liu 4924fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4925fcb64c0fSEli Cohen if (err) 4926fcb64c0fSEli Cohen return err; 4927fcb64c0fSEli Cohen 4928fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4929fcb64c0fSEli Cohen break; 4930fcb64c0fSEli Cohen default: 4931fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4932fcb64c0fSEli Cohen return -EOPNOTSUPP; 4933fcb64c0fSEli Cohen } 4934fcb64c0fSEli Cohen } 4935fcb64c0fSEli Cohen 4936fcb64c0fSEli Cohen return 0; 4937fcb64c0fSEli Cohen } 4938fcb64c0fSEli Cohen 4939fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4940fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4941fcb64c0fSEli Cohen { 4942fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4943fcb64c0fSEli Cohen 49447b83355fSEli Cohen if (ma->common.prio != 1) { 4945fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4946fcb64c0fSEli Cohen return -EINVAL; 4947fcb64c0fSEli Cohen } 4948fcb64c0fSEli Cohen 4949fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4950fcb64c0fSEli Cohen } 4951fcb64c0fSEli Cohen 4952fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4953fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4954fcb64c0fSEli Cohen { 4955fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4956fcb64c0fSEli Cohen 4957fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4958fcb64c0fSEli Cohen } 4959fcb64c0fSEli Cohen 4960fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4961fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4962fcb64c0fSEli Cohen { 4963fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4964fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4965fcb64c0fSEli Cohen u64 dbytes; 4966fcb64c0fSEli Cohen u64 dpkts; 4967fcb64c0fSEli Cohen 4968fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4969fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4970fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4971fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 49724b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 497393a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4974fcb64c0fSEli Cohen } 4975fcb64c0fSEli Cohen 49764d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 49774d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 49784d8fcf21SAlaa Hleihel { 4979f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 49804d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4981db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4982db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 49834d8fcf21SAlaa Hleihel u16 peer_vhca_id; 49844d8fcf21SAlaa Hleihel int bkt; 49854d8fcf21SAlaa Hleihel 4986ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 49874d8fcf21SAlaa Hleihel return; 49884d8fcf21SAlaa Hleihel 49894d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 49904d8fcf21SAlaa Hleihel 4991f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 4992f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 4993db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4994db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4995f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 4996db76ca24SVlad Buslov 4997db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4998db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4999db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5000a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5001db76ca24SVlad Buslov 5002db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5003db76ca24SVlad Buslov } 50044d8fcf21SAlaa Hleihel } 50054d8fcf21SAlaa Hleihel 50064d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 50074d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 50084d8fcf21SAlaa Hleihel { 50094d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 50104d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 50114d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 50124d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 50134d8fcf21SAlaa Hleihel 50144d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 50154d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 50164d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 50174d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50184d8fcf21SAlaa Hleihel 50194d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 502065f586c2SLama Kayal priv = tc->priv; 50214d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 50224d8fcf21SAlaa Hleihel if (priv == peer_priv || 50234d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 50244d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50254d8fcf21SAlaa Hleihel 50264d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 50274d8fcf21SAlaa Hleihel 50284d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50294d8fcf21SAlaa Hleihel } 50304d8fcf21SAlaa Hleihel 503166cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 503266cb64e2SMaor Dickman { 5033f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5034f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 503566cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 503666cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 503766cb64e2SMaor Dickman int err = 0; 503866cb64e2SMaor Dickman 503966cb64e2SMaor Dickman ft_attr.max_fte = 1; 504066cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 504166cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 504266cb64e2SMaor Dickman ft_attr.prio = 0; 504366cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 504466cb64e2SMaor Dickman 504566cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 504666cb64e2SMaor Dickman if (IS_ERR(*ft)) { 504766cb64e2SMaor Dickman err = PTR_ERR(*ft); 504866cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 504966cb64e2SMaor Dickman } 505066cb64e2SMaor Dickman 505166cb64e2SMaor Dickman return err; 505266cb64e2SMaor Dickman } 505366cb64e2SMaor Dickman 505466cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 505566cb64e2SMaor Dickman { 5056f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5057f52f2faeSLama Kayal 5058f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 505966cb64e2SMaor Dickman } 506066cb64e2SMaor Dickman 5061655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5062e8f887acSAmir Vadai { 5063f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 50646a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5065c9355682SChris Mi struct mapping_ctx *chains_mapping; 50666a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 50672198b932SRoi Dayan u64 mapping_id; 50684d8fcf21SAlaa Hleihel int err; 5069e8f887acSAmir Vadai 5070b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5071b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5072b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 50735c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 507465f586c2SLama Kayal tc->priv = priv; 507511c9c548SOr Gerlitz 50764d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 50774d8fcf21SAlaa Hleihel if (err) 50784d8fcf21SAlaa Hleihel return err; 50794d8fcf21SAlaa Hleihel 50809ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 50815aa56105SVlad Buslov lockdep_init_map(&tc->ht.run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 50829ba33339SRoi Dayan 50832198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 50842198b932SRoi Dayan 50852198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 50862198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5087c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 50882198b932SRoi Dayan 5089c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5090c9355682SChris Mi err = PTR_ERR(chains_mapping); 5091c9355682SChris Mi goto err_mapping; 5092c9355682SChris Mi } 5093c9355682SChris Mi tc->mapping = chains_mapping; 5094c9355682SChris Mi 509566cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 509666cb64e2SMaor Dickman if (err) 509766cb64e2SMaor Dickman goto err_chains; 509866cb64e2SMaor Dickman 5099c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5100c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5101c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 51026a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 51036a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5104f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5105c9355682SChris Mi attr.mapping = chains_mapping; 51068e80e564SPaul Blakey attr.fs_base_prio = MLX5E_TC_PRIO; 51076a064674SAriel Levkovich 51086a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 51096a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 51106a064674SAriel Levkovich err = PTR_ERR(tc->chains); 511166cb64e2SMaor Dickman goto err_miss; 51126a064674SAriel Levkovich } 51136a064674SAriel Levkovich 51148e80e564SPaul Blakey mlx5_chains_print_info(tc->chains); 51158e80e564SPaul Blakey 5116f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 511765f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5118f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5119aedd133dSAriel Levkovich 51204d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5121d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5122d48834f9SJiri Pirko &tc->netdevice_nb, 5123d48834f9SJiri Pirko &tc->netdevice_nn); 5124d48834f9SJiri Pirko if (err) { 51254d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 51264d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 51276a064674SAriel Levkovich goto err_reg; 51284d8fcf21SAlaa Hleihel } 51294d8fcf21SAlaa Hleihel 51300e414518SGal Pressman mlx5e_tc_debugfs_init(tc, mlx5e_fs_get_debugfs_root(priv->fs)); 51310e414518SGal Pressman 5132d13674b1SOz Shlomo tc->action_stats_handle = mlx5e_tc_act_stats_create(); 51331166add4SOz Shlomo if (IS_ERR(tc->action_stats_handle)) { 51341166add4SOz Shlomo err = PTR_ERR(tc->action_stats_handle); 5135d13674b1SOz Shlomo goto err_act_stats; 51361166add4SOz Shlomo } 5137d13674b1SOz Shlomo 51386a064674SAriel Levkovich return 0; 51396a064674SAriel Levkovich 5140d13674b1SOz Shlomo err_act_stats: 5141d13674b1SOz Shlomo unregister_netdevice_notifier_dev_net(priv->netdev, 5142d13674b1SOz Shlomo &tc->netdevice_nb, 5143d13674b1SOz Shlomo &tc->netdevice_nn); 51446a064674SAriel Levkovich err_reg: 5145aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5146f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 51476a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 514866cb64e2SMaor Dickman err_miss: 514966cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 51506a064674SAriel Levkovich err_chains: 5151c9355682SChris Mi mapping_destroy(chains_mapping); 5152c9355682SChris Mi err_mapping: 51536a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 51544d8fcf21SAlaa Hleihel return err; 5155e8f887acSAmir Vadai } 5156e8f887acSAmir Vadai 5157e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5158e8f887acSAmir Vadai { 5159e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5160655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5161e8f887acSAmir Vadai 5162961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5163e8f887acSAmir Vadai kfree(flow); 5164e8f887acSAmir Vadai } 5165e8f887acSAmir Vadai 5166655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5167e8f887acSAmir Vadai { 5168f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5169e8f887acSAmir Vadai 51700e414518SGal Pressman debugfs_remove_recursive(tc->dfs_root); 51710e414518SGal Pressman 51724d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5173d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5174d48834f9SJiri Pirko &tc->netdevice_nb, 5175d48834f9SJiri Pirko &tc->netdevice_nn); 51764d8fcf21SAlaa Hleihel 5177b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5178b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5179b32accdaSVlad Buslov 51806a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5181e8f887acSAmir Vadai 5182acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 51836a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5184acff797cSMaor Gottlieb tc->t = NULL; 5185e8f887acSAmir Vadai } 5186b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 51876a064674SAriel Levkovich 5188aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5189f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5190c9355682SChris Mi mapping_destroy(tc->mapping); 51916a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 519266cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5193d13674b1SOz Shlomo mlx5e_tc_act_stats_free(tc->action_stats_handle); 5194e8f887acSAmir Vadai } 5195655dc3d2SOr Gerlitz 5196d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5197d1a3138fSPaul Blakey { 5198d1a3138fSPaul Blakey int err; 5199d1a3138fSPaul Blakey 5200d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5201d1a3138fSPaul Blakey if (err) 5202d1a3138fSPaul Blakey return err; 5203d1a3138fSPaul Blakey 5204d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 52055aa56105SVlad Buslov lockdep_init_map(&tc_ht->run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 5206d1a3138fSPaul Blakey 5207d1a3138fSPaul Blakey return 0; 5208d1a3138fSPaul Blakey } 5209d1a3138fSPaul Blakey 5210d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5211d1a3138fSPaul Blakey { 5212d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5213d1a3138fSPaul Blakey } 5214d1a3138fSPaul Blakey 5215d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5216655dc3d2SOr Gerlitz { 5217d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5218aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 52190a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5220aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5221aedd133dSAriel Levkovich struct mlx5e_priv *priv; 52222198b932SRoi Dayan u64 mapping_id; 5223aedd133dSAriel Levkovich int err = 0; 52240a7fcb78SPaul Blakey 5225aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5226aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5227aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 52280a7fcb78SPaul Blakey 5229f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5230f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5231aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5232aedd133dSAriel Levkovich esw_chains(esw), 5233aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5234f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5235f0da4daaSChris Mi uplink_priv->post_act); 52364c3844d9SPaul Blakey 52374f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 52384f4edcc2SAriel Levkovich 52392741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 52402a9ab10aSChris Mi 52412198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 52422198b932SRoi Dayan 52432198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 52442198b932SRoi Dayan sizeof(struct tunnel_match_key), 52450a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 52462198b932SRoi Dayan 52470a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52480a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52490a7fcb78SPaul Blakey goto err_tun_mapping; 52500a7fcb78SPaul Blakey } 52510a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 52520a7fcb78SPaul Blakey 52533222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 52543222efd4SVlad Buslov * and bridge ingress push mark. 52553222efd4SVlad Buslov */ 52562198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 52573222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 52580a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52590a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52600a7fcb78SPaul Blakey goto err_enc_opts_mapping; 52610a7fcb78SPaul Blakey } 52620a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 52630a7fcb78SPaul Blakey 52648914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 52652b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 52662b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 52678914add2SVlad Buslov goto err_register_fib_notifier; 52682b6c3c1eSWei Yongjun } 52698914add2SVlad Buslov 5270d13674b1SOz Shlomo uplink_priv->action_stats_handle = mlx5e_tc_act_stats_create(); 52711166add4SOz Shlomo if (IS_ERR(uplink_priv->action_stats_handle)) { 52721166add4SOz Shlomo err = PTR_ERR(uplink_priv->action_stats_handle); 5273d13674b1SOz Shlomo goto err_action_counter; 52741166add4SOz Shlomo } 5275d13674b1SOz Shlomo 52762be5bd42SShay Drory mlx5_esw_offloads_devcom_init(esw); 52772be5bd42SShay Drory 52782b6c3c1eSWei Yongjun return 0; 52790a7fcb78SPaul Blakey 5280d13674b1SOz Shlomo err_action_counter: 5281d13674b1SOz Shlomo mlx5e_tc_tun_cleanup(uplink_priv->encap); 52828914add2SVlad Buslov err_register_fib_notifier: 52830a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 52840a7fcb78SPaul Blakey err_enc_opts_mapping: 52850a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 52860a7fcb78SPaul Blakey err_tun_mapping: 52870027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 52884f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5289aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 52900a7fcb78SPaul Blakey netdev_warn(priv->netdev, 52910a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5292f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 52930a7fcb78SPaul Blakey return err; 5294655dc3d2SOr Gerlitz } 5295655dc3d2SOr Gerlitz 5296d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5297655dc3d2SOr Gerlitz { 5298c9668f0bSPaul Blakey struct mlx5e_rep_priv *rpriv; 5299c9668f0bSPaul Blakey struct mlx5_eswitch *esw; 5300c9668f0bSPaul Blakey struct mlx5e_priv *priv; 5301c9668f0bSPaul Blakey 5302c9668f0bSPaul Blakey rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5303c9668f0bSPaul Blakey priv = netdev_priv(rpriv->netdev); 5304c9668f0bSPaul Blakey esw = priv->mdev->priv.eswitch; 5305c9668f0bSPaul Blakey 53062be5bd42SShay Drory mlx5_esw_offloads_devcom_cleanup(esw); 5307c9668f0bSPaul Blakey 53088914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 53098914add2SVlad Buslov 53100a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53110a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53124c3844d9SPaul Blakey 53130027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 53144f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5315aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 531674e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5317f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5318d13674b1SOz Shlomo mlx5e_tc_act_stats_free(uplink_priv->action_stats_handle); 5319655dc3d2SOr Gerlitz } 532001252a27SOr Gerlitz 5321226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 532201252a27SOr Gerlitz { 5323d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 532401252a27SOr Gerlitz 532501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 532601252a27SOr Gerlitz } 532704de7ddaSRoi Dayan 532804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 532904de7ddaSRoi Dayan { 533004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 53319be6c21fSShay Drory int i; 533204de7ddaSRoi Dayan 53339be6c21fSShay Drory for (i = 0; i < MLX5_MAX_PORTS; i++) { 53349be6c21fSShay Drory if (i == mlx5_get_dev_index(esw->dev)) 53359be6c21fSShay Drory continue; 53369be6c21fSShay Drory list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows[i], peer[i]) 53379be6c21fSShay Drory mlx5e_tc_del_fdb_peers_flow(flow); 53389be6c21fSShay Drory } 533904de7ddaSRoi Dayan } 5340b4a23329SRoi Dayan 5341b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5342b4a23329SRoi Dayan { 5343b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5344b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5345b4a23329SRoi Dayan reoffload_flows_work); 5346b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5347b4a23329SRoi Dayan 5348ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5349b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5350b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5351ad86755bSVlad Buslov unready_flow_del(flow); 5352b4a23329SRoi Dayan } 5353ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5354b4a23329SRoi Dayan } 5355e2394a61SVlad Buslov 5356e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5357e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5358e2394a61SVlad Buslov unsigned long flags) 5359e2394a61SVlad Buslov { 5360e2394a61SVlad Buslov switch (cls_flower->command) { 5361e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5362e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5363e2394a61SVlad Buslov flags); 5364e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5365e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5366e2394a61SVlad Buslov flags); 5367e2394a61SVlad Buslov case FLOW_CLS_STATS: 5368e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5369e2394a61SVlad Buslov flags); 5370e2394a61SVlad Buslov default: 5371e2394a61SVlad Buslov return -EOPNOTSUPP; 5372e2394a61SVlad Buslov } 5373e2394a61SVlad Buslov } 5374e2394a61SVlad Buslov 5375e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5376e2394a61SVlad Buslov void *cb_priv) 5377e2394a61SVlad Buslov { 5378ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5379e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5380e2394a61SVlad Buslov 53812ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 53822ff349c5SRoi Dayan return -EOPNOTSUPP; 53832ff349c5SRoi Dayan 5384ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5385ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5386ec9457a6SRoi Dayan else 5387ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5388ec9457a6SRoi Dayan 5389e2394a61SVlad Buslov switch (type) { 5390e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5391e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5392e2394a61SVlad Buslov default: 5393e2394a61SVlad Buslov return -EOPNOTSUPP; 5394e2394a61SVlad Buslov } 5395e2394a61SVlad Buslov } 5396c7569097SAriel Levkovich 539793a1ab2cSPaul Blakey static bool mlx5e_tc_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, 539893a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 539993a1ab2cSPaul Blakey u32 tunnel_id) 5400c7569097SAriel Levkovich { 540193a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 540293a1ab2cSPaul Blakey struct tunnel_match_enc_opts enc_opts = {}; 540393a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 540493a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 540593a1ab2cSPaul Blakey struct metadata_dst *tun_dst; 540693a1ab2cSPaul Blakey struct tunnel_match_key key; 540793a1ab2cSPaul Blakey u32 tun_id, enc_opts_id; 540893a1ab2cSPaul Blakey struct net_device *dev; 5409c7569097SAriel Levkovich int err; 5410c7569097SAriel Levkovich 541193a1ab2cSPaul Blakey enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; 541293a1ab2cSPaul Blakey tun_id = tunnel_id >> ENC_OPTS_BITS; 5413c7569097SAriel Levkovich 541493a1ab2cSPaul Blakey if (!tun_id) 541593a1ab2cSPaul Blakey return true; 541693a1ab2cSPaul Blakey 541793a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 541893a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 541993a1ab2cSPaul Blakey 542093a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); 5421c7569097SAriel Levkovich if (err) { 5422c7569097SAriel Levkovich netdev_dbg(priv->netdev, 542393a1ab2cSPaul Blakey "Couldn't find tunnel for tun_id: %d, err: %d\n", 542493a1ab2cSPaul Blakey tun_id, err); 5425c7569097SAriel Levkovich return false; 5426c7569097SAriel Levkovich } 5427c7569097SAriel Levkovich 542893a1ab2cSPaul Blakey if (enc_opts_id) { 542993a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, 543093a1ab2cSPaul Blakey enc_opts_id, &enc_opts); 543193a1ab2cSPaul Blakey if (err) { 543293a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 543393a1ab2cSPaul Blakey "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", 543493a1ab2cSPaul Blakey enc_opts_id, err); 5435c7569097SAriel Levkovich return false; 543693a1ab2cSPaul Blakey } 543793a1ab2cSPaul Blakey } 543893a1ab2cSPaul Blakey 543993a1ab2cSPaul Blakey switch (key.enc_control.addr_type) { 544093a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 544193a1ab2cSPaul Blakey tun_dst = __ip_tun_set_dst(key.enc_ipv4.src, key.enc_ipv4.dst, 544293a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 544393a1ab2cSPaul Blakey key.enc_tp.dst, TUNNEL_KEY, 544493a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 544593a1ab2cSPaul Blakey enc_opts.key.len); 544693a1ab2cSPaul Blakey break; 544793a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 544893a1ab2cSPaul Blakey tun_dst = __ipv6_tun_set_dst(&key.enc_ipv6.src, &key.enc_ipv6.dst, 544993a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 545093a1ab2cSPaul Blakey key.enc_tp.dst, 0, TUNNEL_KEY, 545193a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 545293a1ab2cSPaul Blakey enc_opts.key.len); 545393a1ab2cSPaul Blakey break; 545493a1ab2cSPaul Blakey default: 545593a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 545693a1ab2cSPaul Blakey "Couldn't restore tunnel, unsupported addr_type: %d\n", 545793a1ab2cSPaul Blakey key.enc_control.addr_type); 545893a1ab2cSPaul Blakey return false; 545993a1ab2cSPaul Blakey } 546093a1ab2cSPaul Blakey 546193a1ab2cSPaul Blakey if (!tun_dst) { 546293a1ab2cSPaul Blakey netdev_dbg(priv->netdev, "Couldn't restore tunnel, no tun_dst\n"); 546393a1ab2cSPaul Blakey return false; 546493a1ab2cSPaul Blakey } 546593a1ab2cSPaul Blakey 546693a1ab2cSPaul Blakey tun_dst->u.tun_info.key.tp_src = key.enc_tp.src; 546793a1ab2cSPaul Blakey 546893a1ab2cSPaul Blakey if (enc_opts.key.len) 546993a1ab2cSPaul Blakey ip_tunnel_info_opts_set(&tun_dst->u.tun_info, 547093a1ab2cSPaul Blakey enc_opts.key.data, 547193a1ab2cSPaul Blakey enc_opts.key.len, 547293a1ab2cSPaul Blakey enc_opts.key.dst_opt_type); 547393a1ab2cSPaul Blakey 547493a1ab2cSPaul Blakey skb_dst_set(skb, (struct dst_entry *)tun_dst); 547593a1ab2cSPaul Blakey dev = dev_get_by_index(&init_net, key.filter_ifindex); 547693a1ab2cSPaul Blakey if (!dev) { 547793a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 547893a1ab2cSPaul Blakey "Couldn't find tunnel device with ifindex: %d\n", 547993a1ab2cSPaul Blakey key.filter_ifindex); 548093a1ab2cSPaul Blakey return false; 548193a1ab2cSPaul Blakey } 548293a1ab2cSPaul Blakey 548393a1ab2cSPaul Blakey /* Set fwd_dev so we do dev_put() after datapath */ 548493a1ab2cSPaul Blakey tc_priv->fwd_dev = dev; 548593a1ab2cSPaul Blakey 548693a1ab2cSPaul Blakey skb->dev = dev; 548793a1ab2cSPaul Blakey 548893a1ab2cSPaul Blakey return true; 548993a1ab2cSPaul Blakey } 549093a1ab2cSPaul Blakey 549167027828SPaul Blakey static bool mlx5e_tc_restore_skb_tc_meta(struct sk_buff *skb, struct mlx5_tc_ct_priv *ct_priv, 549267027828SPaul Blakey struct mlx5_mapped_obj *mapped_obj, u32 zone_restore_id, 549393a1ab2cSPaul Blakey u32 tunnel_id, struct mlx5e_tc_update_priv *tc_priv) 549493a1ab2cSPaul Blakey { 549593a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 549693a1ab2cSPaul Blakey struct tc_skb_ext *tc_skb_ext; 549767027828SPaul Blakey u64 act_miss_cookie; 549867027828SPaul Blakey u32 chain; 549993a1ab2cSPaul Blakey 550067027828SPaul Blakey chain = mapped_obj->type == MLX5_MAPPED_OBJ_CHAIN ? mapped_obj->chain : 0; 550167027828SPaul Blakey act_miss_cookie = mapped_obj->type == MLX5_MAPPED_OBJ_ACT_MISS ? 550267027828SPaul Blakey mapped_obj->act_miss_cookie : 0; 550367027828SPaul Blakey if (chain || act_miss_cookie) { 550493a1ab2cSPaul Blakey if (!mlx5e_tc_ct_restore_flow(ct_priv, skb, zone_restore_id)) 550593a1ab2cSPaul Blakey return false; 550693a1ab2cSPaul Blakey 550793a1ab2cSPaul Blakey tc_skb_ext = tc_skb_ext_alloc(skb); 550893a1ab2cSPaul Blakey if (!tc_skb_ext) { 550993a1ab2cSPaul Blakey WARN_ON(1); 551093a1ab2cSPaul Blakey return false; 551193a1ab2cSPaul Blakey } 5512c7569097SAriel Levkovich 551367027828SPaul Blakey if (act_miss_cookie) { 551467027828SPaul Blakey tc_skb_ext->act_miss_cookie = act_miss_cookie; 551567027828SPaul Blakey tc_skb_ext->act_miss = 1; 551667027828SPaul Blakey } else { 5517c7569097SAriel Levkovich tc_skb_ext->chain = chain; 551893a1ab2cSPaul Blakey } 551967027828SPaul Blakey } 5520aedd133dSAriel Levkovich 552193a1ab2cSPaul Blakey if (tc_priv) 552293a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 5523aedd133dSAriel Levkovich 552493a1ab2cSPaul Blakey return true; 552593a1ab2cSPaul Blakey } 552693a1ab2cSPaul Blakey 552793a1ab2cSPaul Blakey static void mlx5e_tc_restore_skb_sample(struct mlx5e_priv *priv, struct sk_buff *skb, 552893a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 552993a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 553093a1ab2cSPaul Blakey { 553193a1ab2cSPaul Blakey if (!mlx5e_tc_restore_tunnel(priv, skb, tc_priv, mapped_obj->sample.tunnel_id)) { 553293a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 553393a1ab2cSPaul Blakey "Failed to restore tunnel info for sampled packet\n"); 553493a1ab2cSPaul Blakey return; 553593a1ab2cSPaul Blakey } 553693a1ab2cSPaul Blakey mlx5e_tc_sample_skb(skb, mapped_obj); 553793a1ab2cSPaul Blakey } 553893a1ab2cSPaul Blakey 553993a1ab2cSPaul Blakey static bool mlx5e_tc_restore_skb_int_port(struct mlx5e_priv *priv, struct sk_buff *skb, 554093a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 554193a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 554293a1ab2cSPaul Blakey u32 tunnel_id) 554393a1ab2cSPaul Blakey { 554493a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 554593a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 554693a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 554793a1ab2cSPaul Blakey bool forward_tx = false; 554893a1ab2cSPaul Blakey 554993a1ab2cSPaul Blakey /* Tunnel restore takes precedence over int port restore */ 555093a1ab2cSPaul Blakey if (tunnel_id) 555193a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 555293a1ab2cSPaul Blakey 555393a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 555493a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 555593a1ab2cSPaul Blakey 555693a1ab2cSPaul Blakey if (mlx5e_tc_int_port_dev_fwd(uplink_priv->int_port_priv, skb, 555793a1ab2cSPaul Blakey mapped_obj->int_port_metadata, &forward_tx)) { 555893a1ab2cSPaul Blakey /* Set fwd_dev for future dev_put */ 555993a1ab2cSPaul Blakey tc_priv->fwd_dev = skb->dev; 556093a1ab2cSPaul Blakey tc_priv->forward_tx = forward_tx; 556193a1ab2cSPaul Blakey 556293a1ab2cSPaul Blakey return true; 556393a1ab2cSPaul Blakey } 556493a1ab2cSPaul Blakey 5565aedd133dSAriel Levkovich return false; 556693a1ab2cSPaul Blakey } 556793a1ab2cSPaul Blakey 556893a1ab2cSPaul Blakey bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb, 556993a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx, u32 mapped_obj_id, 557093a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv, 557193a1ab2cSPaul Blakey u32 zone_restore_id, u32 tunnel_id, 557293a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 557393a1ab2cSPaul Blakey { 557493a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 557593a1ab2cSPaul Blakey struct mlx5_mapped_obj mapped_obj; 557693a1ab2cSPaul Blakey int err; 557793a1ab2cSPaul Blakey 557893a1ab2cSPaul Blakey err = mapping_find(mapping_ctx, mapped_obj_id, &mapped_obj); 557993a1ab2cSPaul Blakey if (err) { 558093a1ab2cSPaul Blakey netdev_dbg(skb->dev, 558193a1ab2cSPaul Blakey "Couldn't find mapped object for mapped_obj_id: %d, err: %d\n", 558293a1ab2cSPaul Blakey mapped_obj_id, err); 558393a1ab2cSPaul Blakey return false; 558493a1ab2cSPaul Blakey } 558593a1ab2cSPaul Blakey 558693a1ab2cSPaul Blakey switch (mapped_obj.type) { 558793a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_CHAIN: 558867027828SPaul Blakey case MLX5_MAPPED_OBJ_ACT_MISS: 558967027828SPaul Blakey return mlx5e_tc_restore_skb_tc_meta(skb, ct_priv, &mapped_obj, zone_restore_id, 559093a1ab2cSPaul Blakey tunnel_id, tc_priv); 559193a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_SAMPLE: 559293a1ab2cSPaul Blakey mlx5e_tc_restore_skb_sample(priv, skb, &mapped_obj, tc_priv); 559393a1ab2cSPaul Blakey tc_priv->skb_done = true; 559493a1ab2cSPaul Blakey return true; 559593a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_INT_PORT_METADATA: 559693a1ab2cSPaul Blakey return mlx5e_tc_restore_skb_int_port(priv, skb, &mapped_obj, tc_priv, tunnel_id); 559793a1ab2cSPaul Blakey default: 5598a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5599a91d98a0SChris Mi return false; 5600c7569097SAriel Levkovich } 5601c7569097SAriel Levkovich 560293a1ab2cSPaul Blakey return false; 560393a1ab2cSPaul Blakey } 560493a1ab2cSPaul Blakey 560593a1ab2cSPaul Blakey bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb) 560693a1ab2cSPaul Blakey { 560793a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 560893a1ab2cSPaul Blakey u32 mapped_obj_id, reg_b, zone_restore_id; 560993a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv; 561093a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx; 561193a1ab2cSPaul Blakey struct mlx5e_tc_table *tc; 561293a1ab2cSPaul Blakey 561393a1ab2cSPaul Blakey reg_b = be32_to_cpu(cqe->ft_metadata); 561493a1ab2cSPaul Blakey tc = mlx5e_fs_get_tc(priv->fs); 561593a1ab2cSPaul Blakey mapped_obj_id = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 561693a1ab2cSPaul Blakey zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 561793a1ab2cSPaul Blakey ESW_ZONE_ID_MASK; 561893a1ab2cSPaul Blakey ct_priv = tc->ct; 561993a1ab2cSPaul Blakey mapping_ctx = tc->mapping; 562093a1ab2cSPaul Blakey 562193a1ab2cSPaul Blakey return mlx5e_tc_update_skb(cqe, skb, mapping_ctx, mapped_obj_id, ct_priv, zone_restore_id, 562293a1ab2cSPaul Blakey 0, NULL); 5623c7569097SAriel Levkovich } 562467027828SPaul Blakey 5625dfa1e46dSPaul Blakey static struct mapping_ctx * 5626dfa1e46dSPaul Blakey mlx5e_get_priv_obj_mapping(struct mlx5e_priv *priv) 5627dfa1e46dSPaul Blakey { 5628dfa1e46dSPaul Blakey struct mlx5e_tc_table *tc; 5629dfa1e46dSPaul Blakey struct mlx5_eswitch *esw; 5630dfa1e46dSPaul Blakey struct mapping_ctx *ctx; 5631dfa1e46dSPaul Blakey 5632dfa1e46dSPaul Blakey if (is_mdev_switchdev_mode(priv->mdev)) { 5633dfa1e46dSPaul Blakey esw = priv->mdev->priv.eswitch; 5634dfa1e46dSPaul Blakey ctx = esw->offloads.reg_c0_obj_pool; 5635dfa1e46dSPaul Blakey } else { 5636dfa1e46dSPaul Blakey tc = mlx5e_fs_get_tc(priv->fs); 5637dfa1e46dSPaul Blakey ctx = tc->mapping; 5638dfa1e46dSPaul Blakey } 5639dfa1e46dSPaul Blakey 5640dfa1e46dSPaul Blakey return ctx; 5641dfa1e46dSPaul Blakey } 5642dfa1e46dSPaul Blakey 564367027828SPaul Blakey int mlx5e_tc_action_miss_mapping_get(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 564467027828SPaul Blakey u64 act_miss_cookie, u32 *act_miss_mapping) 564567027828SPaul Blakey { 564667027828SPaul Blakey struct mlx5_mapped_obj mapped_obj = {}; 5647dfa1e46dSPaul Blakey struct mlx5_eswitch *esw; 564867027828SPaul Blakey struct mapping_ctx *ctx; 564967027828SPaul Blakey int err; 565067027828SPaul Blakey 5651dfa1e46dSPaul Blakey ctx = mlx5e_get_priv_obj_mapping(priv); 565267027828SPaul Blakey mapped_obj.type = MLX5_MAPPED_OBJ_ACT_MISS; 565367027828SPaul Blakey mapped_obj.act_miss_cookie = act_miss_cookie; 565467027828SPaul Blakey err = mapping_add(ctx, &mapped_obj, act_miss_mapping); 565567027828SPaul Blakey if (err) 565667027828SPaul Blakey return err; 565767027828SPaul Blakey 5658dfa1e46dSPaul Blakey if (!is_mdev_switchdev_mode(priv->mdev)) 5659dfa1e46dSPaul Blakey return 0; 5660dfa1e46dSPaul Blakey 5661dfa1e46dSPaul Blakey esw = priv->mdev->priv.eswitch; 566267027828SPaul Blakey attr->act_id_restore_rule = esw_add_restore_rule(esw, *act_miss_mapping); 566367027828SPaul Blakey if (IS_ERR(attr->act_id_restore_rule)) 566467027828SPaul Blakey goto err_rule; 566567027828SPaul Blakey 566667027828SPaul Blakey return 0; 566767027828SPaul Blakey 566867027828SPaul Blakey err_rule: 566967027828SPaul Blakey mapping_remove(ctx, *act_miss_mapping); 567067027828SPaul Blakey return err; 567167027828SPaul Blakey } 567267027828SPaul Blakey 567367027828SPaul Blakey void mlx5e_tc_action_miss_mapping_put(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 567467027828SPaul Blakey u32 act_miss_mapping) 567567027828SPaul Blakey { 5676dfa1e46dSPaul Blakey struct mapping_ctx *ctx = mlx5e_get_priv_obj_mapping(priv); 567767027828SPaul Blakey 5678dfa1e46dSPaul Blakey if (is_mdev_switchdev_mode(priv->mdev)) 567967027828SPaul Blakey mlx5_del_flow_rules(attr->act_id_restore_rule); 568067027828SPaul Blakey mapping_remove(ctx, act_miss_mapping); 568167027828SPaul Blakey } 5682