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); 14428300f225SRoi Dayan 144388d97486SRoi Dayan kvfree(attr->parse_attr); 1444c620b772SAriel Levkovich kfree(flow->attr); 1445d85cdccbSOr Gerlitz } 1446d85cdccbSOr Gerlitz 14470d9f9647SVlad Buslov struct mlx5_flow_handle * 14486d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 14496d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 14506d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1451c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14526d2a3ed0SOr Gerlitz { 14536d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14544c3844d9SPaul Blakey 1455e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 145689e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 145789e39467SPaul Blakey 1458a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 14596d2a3ed0SOr Gerlitz 14606d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 14616d2a3ed0SOr Gerlitz return rule; 14626d2a3ed0SOr Gerlitz 1463c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 14646d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 146584ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 146684ba8062SRoi Dayan goto err_rule1; 14676d2a3ed0SOr Gerlitz } 14686d2a3ed0SOr Gerlitz 14696d2a3ed0SOr Gerlitz return rule; 147084ba8062SRoi Dayan 147184ba8062SRoi Dayan err_rule1: 1472a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 147384ba8062SRoi Dayan return flow->rule[1]; 14746d2a3ed0SOr Gerlitz } 14756d2a3ed0SOr Gerlitz 14760d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 14776d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1478c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14796d2a3ed0SOr Gerlitz { 1480226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 14816d2a3ed0SOr Gerlitz 1482e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 148384ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 148489e39467SPaul Blakey 1485c620b772SAriel Levkovich if (attr->esw_attr->split_count) 14866d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 14876d2a3ed0SOr Gerlitz 1488a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 14896d2a3ed0SOr Gerlitz } 14906d2a3ed0SOr Gerlitz 14910d9f9647SVlad Buslov struct mlx5_flow_handle * 14925dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 14935dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1494178f69b4SEli Cohen struct mlx5_flow_spec *spec) 14955dbe906fSPaul Blakey { 14968dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 14978dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1498c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 14995dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15008dc47c05SPaul Blakey bool fwd_and_modify_cap; 15018dc47c05SPaul Blakey u32 chain_mapping = 0; 15028dc47c05SPaul Blakey int err; 15035dbe906fSPaul Blakey 1504c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1505c620b772SAriel Levkovich if (!slow_attr) 1506c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 15075dbe906fSPaul Blakey 1508c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1509c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1510c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1511e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1512c620b772SAriel Levkovich 15138dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 15148dc47c05SPaul Blakey if (!fwd_and_modify_cap) 15158dc47c05SPaul Blakey goto skip_restore; 15168dc47c05SPaul Blakey 15178dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 15188dc47c05SPaul Blakey if (err) 15198dc47c05SPaul Blakey goto err_get_chain; 15208dc47c05SPaul Blakey 15218dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 1522235ff07dSPaul Blakey MAPPED_OBJ_TO_REG, chain_mapping); 15238dc47c05SPaul Blakey if (err) 15248dc47c05SPaul Blakey goto err_reg_set; 15258dc47c05SPaul Blakey 15268dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 15278dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 15288dc47c05SPaul Blakey if (IS_ERR(mh)) { 15298dc47c05SPaul Blakey err = PTR_ERR(mh); 15308dc47c05SPaul Blakey goto err_attach; 15318dc47c05SPaul Blakey } 15328dc47c05SPaul Blakey 15338dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 15348dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 15358dc47c05SPaul Blakey 15368dc47c05SPaul Blakey skip_restore: 1537c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 15388dc47c05SPaul Blakey if (IS_ERR(rule)) { 15398dc47c05SPaul Blakey err = PTR_ERR(rule); 15408dc47c05SPaul Blakey goto err_offload; 15418dc47c05SPaul Blakey } 15428dc47c05SPaul Blakey 154382b56480SRoi Dayan flow->attr->slow_mh = mh; 15448dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1545226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 15465dbe906fSPaul Blakey 15478dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1548c620b772SAriel Levkovich kfree(slow_attr); 1549c620b772SAriel Levkovich 15505dbe906fSPaul Blakey return rule; 15518dc47c05SPaul Blakey 15528dc47c05SPaul Blakey err_offload: 15538dc47c05SPaul Blakey if (fwd_and_modify_cap) 15548dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 15558dc47c05SPaul Blakey err_attach: 15568dc47c05SPaul Blakey err_reg_set: 15578dc47c05SPaul Blakey if (fwd_and_modify_cap) 15588dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 15598dc47c05SPaul Blakey err_get_chain: 15608dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 15618dc47c05SPaul Blakey kfree(slow_attr); 15628dc47c05SPaul Blakey return ERR_PTR(err); 15635dbe906fSPaul Blakey } 15645dbe906fSPaul Blakey 15650d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1566178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 15675dbe906fSPaul Blakey { 156882b56480SRoi Dayan struct mlx5e_mod_hdr_handle *slow_mh = flow->attr->slow_mh; 1569c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1570178f69b4SEli Cohen 1571c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 15725efbe617SAriel Levkovich if (!slow_attr) { 15735efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 15745efbe617SAriel Levkovich return; 15755efbe617SAriel Levkovich } 1576c620b772SAriel Levkovich 1577c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1578c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1579c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1580e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 158182b56480SRoi Dayan if (slow_mh) { 15828dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 158382b56480SRoi Dayan slow_attr->modify_hdr = mlx5e_mod_hdr_get(slow_mh); 15848dc47c05SPaul Blakey } 1585c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 158682b56480SRoi Dayan if (slow_mh) { 158782b56480SRoi Dayan mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), slow_mh); 15888dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 15898dc47c05SPaul Blakey flow->chain_mapping = 0; 159082b56480SRoi Dayan flow->attr->slow_mh = NULL; 15918dc47c05SPaul Blakey } 1592226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1593c620b772SAriel Levkovich kfree(slow_attr); 15945dbe906fSPaul Blakey } 15955dbe906fSPaul Blakey 1596ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1597ad86755bSVlad Buslov * function. 1598ad86755bSVlad Buslov */ 1599ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1600ad86755bSVlad Buslov struct list_head *unready_flows) 1601ad86755bSVlad Buslov { 1602ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1603ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1604ad86755bSVlad Buslov } 1605ad86755bSVlad Buslov 1606ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1607ad86755bSVlad Buslov * function. 1608ad86755bSVlad Buslov */ 1609ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1610ad86755bSVlad Buslov { 1611ad86755bSVlad Buslov list_del(&flow->unready); 1612ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1613ad86755bSVlad Buslov } 1614ad86755bSVlad Buslov 1615b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1616b4a23329SRoi Dayan { 1617b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1618b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1619b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1620b4a23329SRoi Dayan 1621b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1622b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1623b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1624b4a23329SRoi Dayan 1625ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1626ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1627ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1628b4a23329SRoi Dayan } 1629b4a23329SRoi Dayan 1630b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1631b4a23329SRoi Dayan { 1632ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1633ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1634ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1635ad86755bSVlad Buslov 1636ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1637ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1638ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1639ad86755bSVlad Buslov 1640ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1641ad86755bSVlad Buslov unready_flow_del(flow); 1642ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1643b4a23329SRoi Dayan } 1644b4a23329SRoi Dayan 1645a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 164610742efcSVlad Buslov { 164710742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 164810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 164910742efcSVlad Buslov 165010742efcSVlad Buslov out_priv = netdev_priv(out_dev); 165110742efcSVlad Buslov out_mdev = out_priv->mdev; 165210742efcSVlad Buslov route_priv = netdev_priv(route_dev); 165310742efcSVlad Buslov route_mdev = route_priv->mdev; 165410742efcSVlad Buslov 165572e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 165672e0bcd1SRoi Dayan return false; 165772e0bcd1SRoi Dayan 165872e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 165972e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 166010742efcSVlad Buslov return false; 166110742efcSVlad Buslov 1662ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 166310742efcSVlad Buslov } 166410742efcSVlad Buslov 1665a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 166610742efcSVlad Buslov { 166710742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 166810742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 166910742efcSVlad Buslov struct mlx5_eswitch *esw; 167010742efcSVlad Buslov u16 vhca_id; 167110742efcSVlad Buslov 167210742efcSVlad Buslov out_priv = netdev_priv(out_dev); 167310742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 167410742efcSVlad Buslov route_priv = netdev_priv(route_dev); 167510742efcSVlad Buslov route_mdev = route_priv->mdev; 167610742efcSVlad Buslov 167710742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1678f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1679691c041bSVlad Buslov struct mlx5_devcom *devcom; 1680691c041bSVlad Buslov int err; 1681691c041bSVlad Buslov 1682f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1683f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1684f9d196bdSDmytro Linkin * eswitch. 1685f9d196bdSDmytro Linkin */ 168610742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1687f9d196bdSDmytro Linkin if (err != -ENOENT) 1688f9d196bdSDmytro Linkin return err; 1689f9d196bdSDmytro Linkin 1690691c041bSVlad Buslov rcu_read_lock(); 1691f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1692691c041bSVlad Buslov esw = mlx5_devcom_get_peer_data_rcu(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1693691c041bSVlad Buslov err = esw ? mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport) : -ENODEV; 1694691c041bSVlad Buslov rcu_read_unlock(); 1695691c041bSVlad Buslov 1696691c041bSVlad Buslov return err; 1697f9d196bdSDmytro Linkin } 1698f9d196bdSDmytro Linkin 1699691c041bSVlad Buslov return mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 170010742efcSVlad Buslov } 170110742efcSVlad Buslov 1702c83954abSRabie Loulou static int 170364426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 170464426382SOz Shlomo { 170564426382SOz Shlomo if (!(actions & 170664426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 170764426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 170864426382SOz Shlomo return -EOPNOTSUPP; 170964426382SOz Shlomo } 171064426382SOz Shlomo 171164426382SOz Shlomo if (!(~actions & 171264426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 171364426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 171464426382SOz Shlomo return -EOPNOTSUPP; 171564426382SOz Shlomo } 171664426382SOz Shlomo 171764426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 171864426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 171964426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 172064426382SOz Shlomo return -EOPNOTSUPP; 172164426382SOz Shlomo } 172264426382SOz Shlomo 172364426382SOz Shlomo return 0; 172464426382SOz Shlomo } 172564426382SOz Shlomo 172664426382SOz Shlomo static int 17278facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 17288facc02fSOz Shlomo struct mlx5_flow_attr *attr, 17298facc02fSOz Shlomo struct netlink_ext_ack *extack) 17308facc02fSOz Shlomo { 17318facc02fSOz Shlomo bool vf_tun; 17328facc02fSOz Shlomo int err = 0; 17338facc02fSOz Shlomo 173464426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 173564426382SOz Shlomo if (err) 173664426382SOz Shlomo goto err_out; 173764426382SOz Shlomo 1738e2ab5aa1SChris Mi err = mlx5e_tc_tun_encap_dests_set(flow->priv, flow, attr, extack, &vf_tun); 17398facc02fSOz Shlomo if (err) 17408facc02fSOz Shlomo goto err_out; 17418facc02fSOz Shlomo 17428facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1743c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr); 17448facc02fSOz Shlomo if (err) 17458facc02fSOz Shlomo goto err_out; 17468facc02fSOz Shlomo } 17478facc02fSOz Shlomo 1748f86488cbSOz Shlomo if (attr->branch_true && 1749f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1750ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_true); 1751f86488cbSOz Shlomo if (err) 1752f86488cbSOz Shlomo goto err_out; 1753f86488cbSOz Shlomo } 1754f86488cbSOz Shlomo 1755f86488cbSOz Shlomo if (attr->branch_false && 1756f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1757ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_false); 1758f86488cbSOz Shlomo if (err) 1759f86488cbSOz Shlomo goto err_out; 1760f86488cbSOz Shlomo } 1761f86488cbSOz Shlomo 17628facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 17638facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 17648facc02fSOz Shlomo if (err) 17658facc02fSOz Shlomo goto err_out; 17668facc02fSOz Shlomo } 17678facc02fSOz Shlomo 17688facc02fSOz Shlomo err_out: 17698facc02fSOz Shlomo return err; 17708facc02fSOz Shlomo } 17718facc02fSOz Shlomo 17728facc02fSOz Shlomo static int 177374491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1774e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1775e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1776adb4c123SOr Gerlitz { 1777adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1778c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1779c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1780c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 178139ac237cSPaul Blakey u32 max_prio, max_chain; 17820ad060eeSRoi Dayan int err = 0; 17838b32580dSOr Gerlitz 1784b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1785b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1786b16eb3c8SAriel Levkovich 178784179981SPaul Blakey /* We check chain range only for tc flows. 178884179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 178984179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 179084179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 179184179981SPaul Blakey */ 1792ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 179384179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 179461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 179561644c3dSRoi Dayan "Requested chain is out of supported range"); 17968914add2SVlad Buslov err = -EOPNOTSUPP; 17978914add2SVlad Buslov goto err_out; 1798bf07aa73SPaul Blakey } 1799bf07aa73SPaul Blakey 1800ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1801bf07aa73SPaul Blakey if (attr->prio > max_prio) { 180261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 180361644c3dSRoi Dayan "Requested priority is out of supported range"); 18048914add2SVlad Buslov err = -EOPNOTSUPP; 18058914add2SVlad Buslov goto err_out; 1806bf07aa73SPaul Blakey } 1807bf07aa73SPaul Blakey 1808777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1809777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1810777bb800SVlad Buslov if (err) 18118914add2SVlad Buslov goto err_out; 1812b16eb3c8SAriel Levkovich 18135b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 18145b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1815b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1816b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1817b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1818b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1819b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1820b16eb3c8SAriel Levkovich * from the proper chain. 1821b16eb3c8SAriel Levkovich */ 1822b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1823b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1824b16eb3c8SAriel Levkovich 1825b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1826b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1827b16eb3c8SAriel Levkovich metadata); 1828b16eb3c8SAriel Levkovich if (err) 182931108d14SChristophe JAILLET goto err_out; 1830077cdda7SRoi Dayan 1831077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1832b16eb3c8SAriel Levkovich } 1833777bb800SVlad Buslov } 1834777bb800SVlad Buslov 183514e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 183614e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 183714e6b038SEli Cohen if (err) 18388914add2SVlad Buslov goto err_out; 183914e6b038SEli Cohen } 184014e6b038SEli Cohen 1841166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1842166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1843166f431eSAriel Levkovich 1844166f431eSAriel Levkovich if (attr->chain) { 1845166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1846166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 184731108d14SChristophe JAILLET err = -EOPNOTSUPP; 184831108d14SChristophe JAILLET goto err_out; 1849166f431eSAriel Levkovich } 1850166f431eSAriel Levkovich 1851166f431eSAriel Levkovich if (attr->dest_chain) { 1852166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1853166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 185431108d14SChristophe JAILLET err = -EOPNOTSUPP; 185531108d14SChristophe JAILLET goto err_out; 1856166f431eSAriel Levkovich } 1857166f431eSAriel Levkovich 1858166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1859166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1860166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1861166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1862166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 186331108d14SChristophe JAILLET if (IS_ERR(int_port)) { 186431108d14SChristophe JAILLET err = PTR_ERR(int_port); 186531108d14SChristophe JAILLET goto err_out; 186631108d14SChristophe JAILLET } 1867166f431eSAriel Levkovich 1868166f431eSAriel Levkovich esw_attr->int_port = int_port; 1869166f431eSAriel Levkovich } 1870166f431eSAriel Levkovich 1871ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 18720ad060eeSRoi Dayan if (err) 18738914add2SVlad Buslov goto err_out; 18740ad060eeSRoi Dayan 1875d13674b1SOz Shlomo err = mlx5e_tc_act_stats_add_flow(get_act_stats_handle(priv), flow); 1876d13674b1SOz Shlomo if (err) 1877d13674b1SOz Shlomo goto err_out; 1878d13674b1SOz Shlomo 18790ad060eeSRoi Dayan /* we get here if one of the following takes place: 18800ad060eeSRoi Dayan * (1) there's no error 18810ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 18823c37745eSOr Gerlitz */ 1883f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 1884178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1885bc1d75faSRoi Dayan else 18866d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 18875dbe906fSPaul Blakey 18888914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 18898914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 18908914add2SVlad Buslov goto err_out; 18918914add2SVlad Buslov } 1892226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1893c83954abSRabie Loulou 18945dbe906fSPaul Blakey return 0; 18958914add2SVlad Buslov 18968914add2SVlad Buslov err_out: 18978914add2SVlad Buslov flow_flag_set(flow, FAILED); 18988914add2SVlad Buslov return err; 1899aa0cbbaeSOr Gerlitz } 1900d85cdccbSOr Gerlitz 19019272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 19029272e3dfSYevgeny Kliteynik { 1903c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 19049272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 19059272e3dfSYevgeny Kliteynik spec->match_value, 19069272e3dfSYevgeny Kliteynik misc_parameters_3); 19079272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 19089272e3dfSYevgeny Kliteynik headers_v, 19099272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 19109272e3dfSYevgeny Kliteynik 19119272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 19129272e3dfSYevgeny Kliteynik } 19139272e3dfSYevgeny Kliteynik 1914f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 1915f86488cbSOz Shlomo { 1916f86488cbSOz Shlomo if (!attr) 1917f86488cbSOz Shlomo return; 1918f86488cbSOz Shlomo 1919a830ec48SPaul Blakey mlx5_free_flow_attr_actions(flow, attr); 1920f86488cbSOz Shlomo kvfree(attr->parse_attr); 1921f86488cbSOz Shlomo kfree(attr); 1922f86488cbSOz Shlomo } 1923f86488cbSOz Shlomo 1924d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1925d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1926d85cdccbSOr Gerlitz { 1927d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1928c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1929777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 1930d85cdccbSOr Gerlitz 1931777bb800SVlad Buslov esw_attr = attr->esw_attr; 19320a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 19330a7fcb78SPaul Blakey 193412a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1935b4a23329SRoi Dayan remove_unready_flow(flow); 1936ef06c9eeSRoi Dayan 1937226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1938226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1939178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 19405dbe906fSPaul Blakey else 19415dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 19425dbe906fSPaul Blakey } 1943362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1944d85cdccbSOr Gerlitz 19459272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 19469272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 19479272e3dfSYevgeny Kliteynik 1948777bb800SVlad Buslov if (flow->decap_route) 1949777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1950777bb800SVlad Buslov 1951aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 19524c8594adSRoi Dayan 1953166f431eSAriel Levkovich if (esw_attr->int_port) 1954166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1955166f431eSAriel Levkovich 195627484f71SAriel Levkovich if (esw_attr->dest_int_port) 195727484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 195827484f71SAriel Levkovich 195914e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 196014e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1961c620b772SAriel Levkovich 1962d13674b1SOz Shlomo mlx5e_tc_act_stats_del_flow(get_act_stats_handle(priv), flow); 1963d13674b1SOz Shlomo 19648300f225SRoi Dayan free_flow_post_acts(flow); 1965a830ec48SPaul Blakey mlx5_free_flow_attr_actions(flow, attr); 19668300f225SRoi Dayan 196788d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 196888d97486SRoi Dayan kvfree(attr->parse_attr); 1969c620b772SAriel Levkovich kfree(flow->attr); 1970d85cdccbSOr Gerlitz } 1971d85cdccbSOr Gerlitz 19720d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1973b8aee822SMark Bloch { 19748300f225SRoi Dayan struct mlx5_flow_attr *attr; 19758300f225SRoi Dayan 19768300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 19778300f225SRoi Dayan return attr->counter; 1978b8aee822SMark Bloch } 1979b8aee822SMark Bloch 19806a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1981021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 19826a06c2f7SVlad Buslov { 19836a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 19846a06c2f7SVlad Buslov 19856a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 19866a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 19876a06c2f7SVlad Buslov } 19886a06c2f7SVlad Buslov 1989*b1661efaSShay Drory static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 199004de7ddaSRoi Dayan { 199104de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 1992953bb24dSMark Bloch struct mlx5e_tc_flow *peer_flow; 1993953bb24dSMark Bloch struct mlx5e_tc_flow *tmp; 199404de7ddaSRoi Dayan 1995226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1996226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 199704de7ddaSRoi Dayan return; 199804de7ddaSRoi Dayan 199904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 200004de7ddaSRoi Dayan list_del(&flow->peer); 200104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 200204de7ddaSRoi Dayan 2003226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 200404de7ddaSRoi Dayan 2005953bb24dSMark Bloch list_for_each_entry_safe(peer_flow, tmp, &flow->peer_flows, peer_flows) { 2006953bb24dSMark Bloch if (refcount_dec_and_test(&peer_flow->refcnt)) { 2007953bb24dSMark Bloch mlx5e_tc_del_fdb_flow(peer_flow->priv, peer_flow); 2008953bb24dSMark Bloch list_del(&peer_flow->peer_flows); 2009953bb24dSMark Bloch kfree(peer_flow); 2010eb252c3aSRoi Dayan } 2011953bb24dSMark Bloch } 201204de7ddaSRoi Dayan } 201304de7ddaSRoi Dayan 2014e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2015961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2016e8f887acSAmir Vadai { 2017226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 2018*b1661efaSShay Drory struct mlx5_devcom *devcom = flow->priv->mdev->priv.devcom; 2019*b1661efaSShay Drory struct mlx5_eswitch *peer_esw; 2020*b1661efaSShay Drory 2021*b1661efaSShay Drory peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 2022*b1661efaSShay Drory if (!peer_esw) { 2023*b1661efaSShay Drory mlx5e_tc_del_fdb_flow(priv, flow); 2024*b1661efaSShay Drory return; 2025*b1661efaSShay Drory } 202604de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2027*b1661efaSShay Drory mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 2028d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 202904de7ddaSRoi Dayan } else { 2030d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2031e8f887acSAmir Vadai } 203204de7ddaSRoi Dayan } 2033e8f887acSAmir Vadai 2034ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2035bbd00f7eSHadar Hen Zion { 2036f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20370a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 20380a7fcb78SPaul Blakey const struct flow_action_entry *act; 20390a7fcb78SPaul Blakey int i; 2040bbd00f7eSHadar Hen Zion 2041ee950e5dSChris Mi if (chain) 2042ee950e5dSChris Mi return false; 2043ee950e5dSChris Mi 20440a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 20450a7fcb78SPaul Blakey switch (act->id) { 20460a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 20470a7fcb78SPaul Blakey return true; 2048ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2049ee950e5dSChris Mi return true; 20500a7fcb78SPaul Blakey default: 20510a7fcb78SPaul Blakey continue; 2052fe1587a7SDmytro Linkin } 20532e72eb43SOr Gerlitz } 2054bbd00f7eSHadar Hen Zion 20550a7fcb78SPaul Blakey return false; 20560a7fcb78SPaul Blakey } 2057bcef735cSOr Gerlitz 20580a7fcb78SPaul Blakey static int 20590a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 20600a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 20610a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 20620a7fcb78SPaul Blakey bool *dont_care) 20630a7fcb78SPaul Blakey { 20640a7fcb78SPaul Blakey struct geneve_opt *opt; 20650a7fcb78SPaul Blakey int off = 0; 2066bcef735cSOr Gerlitz 20670a7fcb78SPaul Blakey *dont_care = true; 2068bcef735cSOr Gerlitz 20690a7fcb78SPaul Blakey while (opts->len > off) { 20700a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2071e98bedf5SEli Britstein 20720a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 20730a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 20740a7fcb78SPaul Blakey *dont_care = false; 20750a7fcb78SPaul Blakey 2076c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2077d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2078c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 20790a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 20800a7fcb78SPaul Blakey netdev_warn(priv->netdev, 20810a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2082e98bedf5SEli Britstein return -EOPNOTSUPP; 2083e98bedf5SEli Britstein } 2084bcef735cSOr Gerlitz } 2085bcef735cSOr Gerlitz 20860a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2087bbd00f7eSHadar Hen Zion } 2088bbd00f7eSHadar Hen Zion 2089bbd00f7eSHadar Hen Zion return 0; 2090bbd00f7eSHadar Hen Zion } 2091bbd00f7eSHadar Hen Zion 20920a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 20930a7fcb78SPaul Blakey ({ \ 20940a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 20950a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 20960a7fcb78SPaul Blakey \ 20970a7fcb78SPaul Blakey memcpy(__dst,\ 20980a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 20990a7fcb78SPaul Blakey diss_key,\ 21000a7fcb78SPaul Blakey __rule->match.key),\ 21010a7fcb78SPaul Blakey sizeof(*__dst));\ 21020a7fcb78SPaul Blakey }) 21030a7fcb78SPaul Blakey 21040a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 21050a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 21060a7fcb78SPaul Blakey struct flow_cls_offload *f, 21070a7fcb78SPaul Blakey struct net_device *filter_dev) 21088377629eSEli Britstein { 21090a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21100a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21110a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 21120a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2113d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 21140a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2115c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 21160a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 21170a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 21180a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 21190a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 21200a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 21210a7fcb78SPaul Blakey u32 value, mask; 21220a7fcb78SPaul Blakey int err; 21230a7fcb78SPaul Blakey 21240a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 21250a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 21260a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 21270a7fcb78SPaul Blakey 21280a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 21290a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 21300a7fcb78SPaul Blakey &tunnel_key.enc_control); 21310a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 21320a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 21330a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 21340a7fcb78SPaul Blakey else 21350a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 21360a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 21370a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 21380a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 21390a7fcb78SPaul Blakey &tunnel_key.enc_tp); 21400a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 21410a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 21420a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 21430a7fcb78SPaul Blakey 21440a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 21450a7fcb78SPaul Blakey if (err) 21460a7fcb78SPaul Blakey return err; 21470a7fcb78SPaul Blakey 21480a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 21490a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 21500a7fcb78SPaul Blakey enc_opts_match.mask, 21510a7fcb78SPaul Blakey extack, 21520a7fcb78SPaul Blakey &enc_opts_is_dont_care); 21530a7fcb78SPaul Blakey if (err) 21540a7fcb78SPaul Blakey goto err_enc_opts; 21550a7fcb78SPaul Blakey 21560a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2157d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2158d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2159d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2160d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2161d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2162d7a42ad0SRoi Dayan 21630a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2164d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 21650a7fcb78SPaul Blakey if (err) 21660a7fcb78SPaul Blakey goto err_enc_opts; 21670a7fcb78SPaul Blakey } 21680a7fcb78SPaul Blakey 21690a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 21700a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 21710a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 21720a7fcb78SPaul Blakey 21730a7fcb78SPaul Blakey if (attr->chain) { 21740a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 21750a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 21760a7fcb78SPaul Blakey } else { 21770a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 21780a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2179aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 21800a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 21810a7fcb78SPaul Blakey if (err) 21820a7fcb78SPaul Blakey goto err_set; 21830a7fcb78SPaul Blakey 21840a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 21850a7fcb78SPaul Blakey } 21860a7fcb78SPaul Blakey 218773a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 21880a7fcb78SPaul Blakey return 0; 21890a7fcb78SPaul Blakey 21900a7fcb78SPaul Blakey err_set: 21910a7fcb78SPaul Blakey if (enc_opts_id) 21920a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 21930a7fcb78SPaul Blakey enc_opts_id); 21940a7fcb78SPaul Blakey err_enc_opts: 21950a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 21960a7fcb78SPaul Blakey return err; 21970a7fcb78SPaul Blakey } 21980a7fcb78SPaul Blakey 21990a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 22000a7fcb78SPaul Blakey { 220173a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 220273a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 22030a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 22040a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 22050a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 22060a7fcb78SPaul Blakey 22070a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 22080a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22090a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 22100a7fcb78SPaul Blakey 22110a7fcb78SPaul Blakey if (tun_id) 22120a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 22130a7fcb78SPaul Blakey if (enc_opts_id) 22140a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 22150a7fcb78SPaul Blakey enc_opts_id); 22160a7fcb78SPaul Blakey } 22170a7fcb78SPaul Blakey 2218fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2219fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2220fca53304SEli Britstein void *headers_c, void *headers_v) 22214a5d5d73SEli Britstein { 2222fca53304SEli Britstein bool ip_version_cap; 2223fca53304SEli Britstein 2224fca53304SEli Britstein ip_version_cap = outer ? 2225fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2226fca53304SEli Britstein ft_field_support.outer_ip_version) : 2227fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2228fca53304SEli Britstein ft_field_support.inner_ip_version); 2229fca53304SEli Britstein 2230fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2231fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2232fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2233fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2234fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2235fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2236fca53304SEli Britstein } else { 22374a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 22384a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 22394a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 22404a5d5d73SEli Britstein ntohs(match->key->n_proto)); 22414a5d5d73SEli Britstein } 2242fca53304SEli Britstein } 22434a5d5d73SEli Britstein 22440d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2245a508728aSVlad Buslov { 2246a508728aSVlad Buslov void *headers_v; 2247a508728aSVlad Buslov u16 ethertype; 2248a508728aSVlad Buslov u8 ip_version; 2249a508728aSVlad Buslov 2250a508728aSVlad Buslov if (outer) 2251a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2252a508728aSVlad Buslov else 2253a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2254a508728aSVlad Buslov 2255a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2256a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2257a508728aSVlad Buslov if (!ip_version) { 2258a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2259a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2260a508728aSVlad Buslov ip_version = 4; 2261a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2262a508728aSVlad Buslov ip_version = 6; 2263a508728aSVlad Buslov } 2264a508728aSVlad Buslov return ip_version; 2265a508728aSVlad Buslov } 2266a508728aSVlad Buslov 2267b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2268b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2269b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2270b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2271b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2272b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2273b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2274b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2275b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2276b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2277b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2278b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2279b6dfff21SPaul Blakey * 2280b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2281b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2282b6dfff21SPaul Blakey * 2283b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2284b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2285b6dfff21SPaul Blakey * 2286b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2287b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2288b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2289b6dfff21SPaul Blakey */ 2290b6dfff21SPaul Blakey 2291b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2292b6dfff21SPaul Blakey struct flow_cls_offload *f, 2293b6dfff21SPaul Blakey bool *match_inner_ecn) 2294b6dfff21SPaul Blakey { 2295b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2296b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2297b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2298b6dfff21SPaul Blakey struct flow_match_ip match; 2299b6dfff21SPaul Blakey 2300b6dfff21SPaul Blakey *match_inner_ecn = true; 2301b6dfff21SPaul Blakey 2302b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2303b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2304b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2305b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2306b6dfff21SPaul Blakey } 2307b6dfff21SPaul Blakey 2308b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2309b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2310b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2311b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2312b6dfff21SPaul Blakey } 2313b6dfff21SPaul Blakey 2314b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2315b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2316b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2317b6dfff21SPaul Blakey return -EOPNOTSUPP; 2318b6dfff21SPaul Blakey } 2319b6dfff21SPaul Blakey 2320b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2321b6dfff21SPaul Blakey if (!inner_ecn_mask) 2322b6dfff21SPaul Blakey return 0; 2323b6dfff21SPaul Blakey 2324b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2325b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2326b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2327b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2328b6dfff21SPaul Blakey return -EOPNOTSUPP; 2329b6dfff21SPaul Blakey } 2330b6dfff21SPaul Blakey 2331b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2332b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2333b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2334b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2335b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2336b6dfff21SPaul Blakey return -EOPNOTSUPP; 2337b6dfff21SPaul Blakey } 2338b6dfff21SPaul Blakey 2339b6dfff21SPaul Blakey if (!inner_ecn_mask) 2340b6dfff21SPaul Blakey return 0; 2341b6dfff21SPaul Blakey 2342b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2343b6dfff21SPaul Blakey 2344b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2345b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2346b6dfff21SPaul Blakey 2347b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2348b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2349b6dfff21SPaul Blakey return -EOPNOTSUPP; 2350b6dfff21SPaul Blakey } 2351b6dfff21SPaul Blakey 2352b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2353b6dfff21SPaul Blakey return 0; 2354b6dfff21SPaul Blakey 2355b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2356b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2357b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2358b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2359b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2360b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2361b6dfff21SPaul Blakey return -EOPNOTSUPP; 2362b6dfff21SPaul Blakey } 2363b6dfff21SPaul Blakey 2364b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2365b6dfff21SPaul Blakey * drop match on inner ecn 2366b6dfff21SPaul Blakey */ 2367b6dfff21SPaul Blakey *match_inner_ecn = false; 2368b6dfff21SPaul Blakey 2369b6dfff21SPaul Blakey return 0; 2370b6dfff21SPaul Blakey } 2371b6dfff21SPaul Blakey 23720a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 23730a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 23740a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 23750a7fcb78SPaul Blakey struct flow_cls_offload *f, 23760a7fcb78SPaul Blakey struct net_device *filter_dev, 23770a7fcb78SPaul Blakey u8 *match_level, 23780a7fcb78SPaul Blakey bool *match_inner) 23790a7fcb78SPaul Blakey { 2380a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 23810a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23820a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 23830a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 23840a7fcb78SPaul Blakey int err; 23850a7fcb78SPaul Blakey 23860885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 23870885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 23880a7fcb78SPaul Blakey return -EOPNOTSUPP; 23890885ae1aSAbhiram R N } 23900a7fcb78SPaul Blakey 2391c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2392ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 23930a7fcb78SPaul Blakey *match_inner = !needs_mapping; 23940a7fcb78SPaul Blakey 23950a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2396636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2397c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2398636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 23990a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2400636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 24010a7fcb78SPaul Blakey return -EOPNOTSUPP; 24020a7fcb78SPaul Blakey } 24030a7fcb78SPaul Blakey 2404c620b772SAriel Levkovich if (!flow->attr->chain) { 24050a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 24060a7fcb78SPaul Blakey match_level); 24070a7fcb78SPaul Blakey if (err) { 24080a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 24090a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24100a7fcb78SPaul Blakey netdev_warn(priv->netdev, 24110a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 24120a7fcb78SPaul Blakey return err; 24130a7fcb78SPaul Blakey } 24140a7fcb78SPaul Blakey 241514e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 241614e6b038SEli Cohen * object 241714e6b038SEli Cohen */ 241814e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2419c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2420a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2421a508728aSVlad Buslov if (err) 2422a508728aSVlad Buslov return err; 2423521933cdSMaor Dickman } else if (tunnel) { 2424a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2425a508728aSVlad Buslov 2426a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2427a508728aSVlad Buslov if (!tmp_spec) { 2428521933cdSMaor Dickman NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for tunnel tmp spec"); 2429521933cdSMaor Dickman netdev_warn(priv->netdev, "Failed to allocate memory for tunnel tmp spec"); 2430a508728aSVlad Buslov return -ENOMEM; 2431a508728aSVlad Buslov } 2432a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2433a508728aSVlad Buslov 2434a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2435a508728aSVlad Buslov if (err) { 2436a508728aSVlad Buslov kvfree(tmp_spec); 2437a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2438a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2439a508728aSVlad Buslov return err; 2440a508728aSVlad Buslov } 2441a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2442a508728aSVlad Buslov kvfree(tmp_spec); 2443a508728aSVlad Buslov if (err) 2444a508728aSVlad Buslov return err; 24450a7fcb78SPaul Blakey } 24460a7fcb78SPaul Blakey 24470a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 24480a7fcb78SPaul Blakey return 0; 24490a7fcb78SPaul Blakey 24500a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 24510a7fcb78SPaul Blakey } 24520a7fcb78SPaul Blakey 24530a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 24540a7fcb78SPaul Blakey { 24550a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 24560a7fcb78SPaul Blakey inner_headers); 24570a7fcb78SPaul Blakey } 24580a7fcb78SPaul Blakey 24590a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 24600a7fcb78SPaul Blakey { 24610a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 24620a7fcb78SPaul Blakey inner_headers); 24630a7fcb78SPaul Blakey } 24640a7fcb78SPaul Blakey 24650a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 24660a7fcb78SPaul Blakey { 24670a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 24680a7fcb78SPaul Blakey outer_headers); 24690a7fcb78SPaul Blakey } 24700a7fcb78SPaul Blakey 24710a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 24720a7fcb78SPaul Blakey { 24730a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 24748377629eSEli Britstein outer_headers); 24758377629eSEli Britstein } 24768377629eSEli Britstein 24778ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 24788377629eSEli Britstein { 24798377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 24800a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 24810a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 24820a7fcb78SPaul Blakey } 24830a7fcb78SPaul Blakey 24848ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 24850a7fcb78SPaul Blakey { 24860a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 24870a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 24880a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 24898377629eSEli Britstein } 24908377629eSEli Britstein 24916d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 24926d65bc64Swenxu struct flow_cls_offload *f) 24936d65bc64Swenxu { 24946d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 24956d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 24966d65bc64Swenxu struct net_device *ingress_dev; 24976d65bc64Swenxu struct flow_match_meta match; 24986d65bc64Swenxu 24996d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 25006d65bc64Swenxu return 0; 25016d65bc64Swenxu 25026d65bc64Swenxu flow_rule_match_meta(rule, &match); 2503f4356947SIdo Schimmel 2504f4356947SIdo Schimmel if (match.mask->l2_miss) { 2505f4356947SIdo Schimmel NL_SET_ERR_MSG_MOD(f->common.extack, "Can't match on \"l2_miss\""); 2506f4356947SIdo Schimmel return -EOPNOTSUPP; 2507f4356947SIdo Schimmel } 2508f4356947SIdo Schimmel 2509e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2510e3e0f9b2Swenxu return 0; 2511e3e0f9b2Swenxu 25126d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 25136d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2514a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25156d65bc64Swenxu } 25166d65bc64Swenxu 25176d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 25186d65bc64Swenxu match.key->ingress_ifindex); 25196d65bc64Swenxu if (!ingress_dev) { 25206d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25216d65bc64Swenxu "Can't find the ingress port to match on"); 2522a683012aSPablo Neira Ayuso return -ENOENT; 25236d65bc64Swenxu } 25246d65bc64Swenxu 25256d65bc64Swenxu if (ingress_dev != filter_dev) { 25266d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 25276d65bc64Swenxu "Can't match on the ingress filter port"); 2528a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 25296d65bc64Swenxu } 25306d65bc64Swenxu 25316d65bc64Swenxu return 0; 25326d65bc64Swenxu } 25336d65bc64Swenxu 253472046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 253572046a91SEli Cohen struct flow_cls_offload *f) 253672046a91SEli Cohen { 253772046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 253872046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 253972046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 254072046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 254172046a91SEli Cohen */ 254272046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 254372046a91SEli Cohen return true; 254472046a91SEli Cohen 254572046a91SEli Cohen return false; 254672046a91SEli Cohen } 254772046a91SEli Cohen 2548de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 25490a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2550de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2551f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 255254c177caSOz Shlomo struct net_device *filter_dev, 255393b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2554e3a2b7edSAmir Vadai { 2555e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2556c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2557c5bb1730SMaor Gottlieb outer_headers); 2558c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2559c5bb1730SMaor Gottlieb outer_headers); 2560699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2561699e96ddSJianbo Liu misc_parameters); 2562699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2563699e96ddSJianbo Liu misc_parameters); 2564a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2565a3222a2dSMaor Dickman misc_parameters_3); 2566a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2567a3222a2dSMaor Dickman misc_parameters_3); 2568f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 25698f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2570afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2571b6dfff21SPaul Blakey bool match_inner_ecn = true; 2572e3a2b7edSAmir Vadai u16 addr_type = 0; 2573e3a2b7edSAmir Vadai u8 ip_proto = 0; 257493b3586eSHuy Nguyen u8 *match_level; 25756d65bc64Swenxu int err; 2576e3a2b7edSAmir Vadai 2577afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 257893b3586eSHuy Nguyen match_level = outer_match_level; 2579de0af0bfSRoi Dayan 25808f256622SPablo Neira Ayuso if (dissector->used_keys & 25813d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 25823d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2583e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2584e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2585095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2586699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2587e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2588e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2589bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2590bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2591bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2592bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2593bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2594e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2595fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2596bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 25974c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 25989272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 259972046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2600a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 260172046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2602e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 260348470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 26048f256622SPablo Neira Ayuso dissector->used_keys); 2605e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2606e3a2b7edSAmir Vadai } 2607e3a2b7edSAmir Vadai 2608075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 26090a7fcb78SPaul Blakey bool match_inner = false; 2610bbd00f7eSHadar Hen Zion 26110a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 26120a7fcb78SPaul Blakey outer_match_level, &match_inner); 26130a7fcb78SPaul Blakey if (err) 26140a7fcb78SPaul Blakey return err; 26150a7fcb78SPaul Blakey 26160a7fcb78SPaul Blakey if (match_inner) { 26170a7fcb78SPaul Blakey /* header pointers should point to the inner headers 26180a7fcb78SPaul Blakey * if the packet was decapsulated already. 26190a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2620bbd00f7eSHadar Hen Zion */ 262193b3586eSHuy Nguyen match_level = inner_match_level; 26220a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 26230a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 26240a7fcb78SPaul Blakey } 2625b6dfff21SPaul Blakey 2626b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2627b6dfff21SPaul Blakey if (err) 2628b6dfff21SPaul Blakey return err; 2629bbd00f7eSHadar Hen Zion } 2630bbd00f7eSHadar Hen Zion 26316d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 26326d65bc64Swenxu if (err) 26336d65bc64Swenxu return err; 26346d65bc64Swenxu 263572046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 263672046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 26378f256622SPablo Neira Ayuso struct flow_match_basic match; 2638e3a2b7edSAmir Vadai 26398f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2640fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2641fca53304SEli Britstein match_level == outer_match_level, 2642fca53304SEli Britstein headers_c, headers_v); 26438f256622SPablo Neira Ayuso 26448f256622SPablo Neira Ayuso if (match.mask->n_proto) 2645d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2646e3a2b7edSAmir Vadai } 264735a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 264835a605dbSEli Britstein is_vlan_dev(filter_dev)) { 264935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 265035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 26518f256622SPablo Neira Ayuso struct flow_match_vlan match; 26528f256622SPablo Neira Ayuso 265335a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 265435a605dbSEli Britstein match.key = &filter_dev_key; 265535a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 265635a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 265735a605dbSEli Britstein match.key->vlan_priority = 0; 265835a605dbSEli Britstein match.mask = &filter_dev_mask; 265935a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 266035a605dbSEli Britstein match.mask->vlan_priority = 0; 266135a605dbSEli Britstein } else { 26628f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 266335a605dbSEli Britstein } 26648f256622SPablo Neira Ayuso if (match.mask->vlan_id || 26658f256622SPablo Neira Ayuso match.mask->vlan_priority || 26668f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 26678f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2668699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2669699e96ddSJianbo Liu svlan_tag, 1); 2670699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2671699e96ddSJianbo Liu svlan_tag, 1); 2672699e96ddSJianbo Liu } else { 2673699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2674699e96ddSJianbo Liu cvlan_tag, 1); 2675699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2676699e96ddSJianbo Liu cvlan_tag, 1); 2677699e96ddSJianbo Liu } 2678095b6cfdSOr Gerlitz 26798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 26808f256622SPablo Neira Ayuso match.mask->vlan_id); 26818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 26828f256622SPablo Neira Ayuso match.key->vlan_id); 2683358d79a4SOr Gerlitz 26848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 26858f256622SPablo Neira Ayuso match.mask->vlan_priority); 26868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 26878f256622SPablo Neira Ayuso match.key->vlan_priority); 268854782900SOr Gerlitz 2689d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2690ada09af9SVlad Buslov 2691ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2692ada09af9SVlad Buslov match.mask->vlan_eth_type && 2693ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2694ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2695ada09af9SVlad Buslov fs_type)) { 2696ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2697ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2698ada09af9SVlad Buslov spec->match_criteria_enable |= 2699ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2700ada09af9SVlad Buslov } 2701095b6cfdSOr Gerlitz } 2702d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2703fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2704fc603294SMark Bloch * disabled in match value means both S & C tags 2705fc603294SMark Bloch * don't exist (untagged of both) 2706fc603294SMark Bloch */ 2707cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2708d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2709095b6cfdSOr Gerlitz } 2710095b6cfdSOr Gerlitz 27118f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 27128f256622SPablo Neira Ayuso struct flow_match_vlan match; 27138f256622SPablo Neira Ayuso 271412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 27158f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27168f256622SPablo Neira Ayuso match.mask->vlan_priority || 27178f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2718afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2719afe93f71SRoi Dayan fs_type)) { 2720afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2721afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2722afe93f71SRoi Dayan return -EOPNOTSUPP; 2723afe93f71SRoi Dayan } 2724afe93f71SRoi Dayan 27258f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2726699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2727699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2728699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2729699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2730699e96ddSJianbo Liu } else { 2731699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2732699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2733699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2734699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2735699e96ddSJianbo Liu } 2736699e96ddSJianbo Liu 2737699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 27388f256622SPablo Neira Ayuso match.mask->vlan_id); 2739699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 27408f256622SPablo Neira Ayuso match.key->vlan_id); 2741699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 27428f256622SPablo Neira Ayuso match.mask->vlan_priority); 2743699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 27448f256622SPablo Neira Ayuso match.key->vlan_priority); 2745699e96ddSJianbo Liu 2746699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 27470faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2748699e96ddSJianbo Liu } 2749699e96ddSJianbo Liu } 2750699e96ddSJianbo Liu 27518f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 27528f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 275354782900SOr Gerlitz 27548f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2755d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2756d3a80bb5SOr Gerlitz dmac_47_16), 27578f256622SPablo Neira Ayuso match.mask->dst); 2758d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2759d3a80bb5SOr Gerlitz dmac_47_16), 27608f256622SPablo Neira Ayuso match.key->dst); 2761d3a80bb5SOr Gerlitz 2762d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2763d3a80bb5SOr Gerlitz smac_47_16), 27648f256622SPablo Neira Ayuso match.mask->src); 2765d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2766d3a80bb5SOr Gerlitz smac_47_16), 27678f256622SPablo Neira Ayuso match.key->src); 2768d3a80bb5SOr Gerlitz 27698f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 27708f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2771d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 277254782900SOr Gerlitz } 277354782900SOr Gerlitz 27748f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 27758f256622SPablo Neira Ayuso struct flow_match_control match; 277654782900SOr Gerlitz 27778f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 27788f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 277954782900SOr Gerlitz 278054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 27810885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 27820885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 278354782900SOr Gerlitz return -EOPNOTSUPP; 27840885ae1aSAbhiram R N } 278554782900SOr Gerlitz 27868f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 278754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 278854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 27898f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 279054782900SOr Gerlitz 279154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 27928f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 279383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 279454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 279554782900SOr Gerlitz else 279683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 279754782900SOr Gerlitz } 279854782900SOr Gerlitz } 279954782900SOr Gerlitz 28008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 28018f256622SPablo Neira Ayuso struct flow_match_basic match; 28028f256622SPablo Neira Ayuso 28038f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 28048f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 280554782900SOr Gerlitz 280654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 28078f256622SPablo Neira Ayuso match.mask->ip_proto); 280854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 28098f256622SPablo Neira Ayuso match.key->ip_proto); 281054782900SOr Gerlitz 28118f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2812d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 281354782900SOr Gerlitz } 281454782900SOr Gerlitz 2815e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 28168f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2817e3a2b7edSAmir Vadai 28188f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2819e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2820e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28218f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2822e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2823e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 28248f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2825e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2826e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28278f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2828e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2829e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 28308f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2831de0af0bfSRoi Dayan 28328f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2833d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2834e3a2b7edSAmir Vadai } 2835e3a2b7edSAmir Vadai 2836e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 28378f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2838e3a2b7edSAmir Vadai 28398f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2840e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2841e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 28428f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2843e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2844e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 28458f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2846e3a2b7edSAmir Vadai 2847e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2848e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 28498f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2850e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2851e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 28528f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2853de0af0bfSRoi Dayan 28548f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 28558f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2856d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2857e3a2b7edSAmir Vadai } 2858e3a2b7edSAmir Vadai 28598f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 28608f256622SPablo Neira Ayuso struct flow_match_ip match; 28611f97a526SOr Gerlitz 28628f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2863b6dfff21SPaul Blakey if (match_inner_ecn) { 28648f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 28658f256622SPablo Neira Ayuso match.mask->tos & 0x3); 28668f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 28678f256622SPablo Neira Ayuso match.key->tos & 0x3); 2868b6dfff21SPaul Blakey } 28691f97a526SOr Gerlitz 28708f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 28718f256622SPablo Neira Ayuso match.mask->tos >> 2); 28728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 28738f256622SPablo Neira Ayuso match.key->tos >> 2); 28741f97a526SOr Gerlitz 28758f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 28768f256622SPablo Neira Ayuso match.mask->ttl); 28778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 28788f256622SPablo Neira Ayuso match.key->ttl); 28791f97a526SOr Gerlitz 28808f256622SPablo Neira Ayuso if (match.mask->ttl && 2881a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2882e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2883e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2884e98bedf5SEli Britstein "Matching on TTL is not supported"); 28851f97a526SOr Gerlitz return -EOPNOTSUPP; 2886e98bedf5SEli Britstein } 2887a8ade55fSOr Gerlitz 28888f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2889d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 28901f97a526SOr Gerlitz } 28911f97a526SOr Gerlitz 289254782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 289354782900SOr Gerlitz 28948f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 28958f256622SPablo Neira Ayuso struct flow_match_ports match; 28968f256622SPablo Neira Ayuso 28978f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2898e3a2b7edSAmir Vadai switch (ip_proto) { 2899e3a2b7edSAmir Vadai case IPPROTO_TCP: 2900e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29018f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2902e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29038f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2904e3a2b7edSAmir Vadai 2905e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29068f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2907e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29088f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2909e3a2b7edSAmir Vadai break; 2910e3a2b7edSAmir Vadai 2911e3a2b7edSAmir Vadai case IPPROTO_UDP: 2912e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29138f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2914e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29158f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2916e3a2b7edSAmir Vadai 2917e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 29188f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2919e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 29208f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2921e3a2b7edSAmir Vadai break; 2922e3a2b7edSAmir Vadai default: 2923e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2924e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2925e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2926e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2927e3a2b7edSAmir Vadai return -EINVAL; 2928e3a2b7edSAmir Vadai } 2929de0af0bfSRoi Dayan 29308f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2931d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2932e3a2b7edSAmir Vadai } 2933e3a2b7edSAmir Vadai 29348f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 29358f256622SPablo Neira Ayuso struct flow_match_tcp match; 2936e77834ecSOr Gerlitz 29378f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2938e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 29398f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2940e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 29418f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2942e77834ecSOr Gerlitz 29438f256622SPablo Neira Ayuso if (match.mask->flags) 2944d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2945e77834ecSOr Gerlitz } 2946a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2947a3222a2dSMaor Dickman struct flow_match_icmp match; 2948e77834ecSOr Gerlitz 2949a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2950a3222a2dSMaor Dickman switch (ip_proto) { 2951a3222a2dSMaor Dickman case IPPROTO_ICMP: 2952a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 29530885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 29540885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 29550885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2956a3222a2dSMaor Dickman return -EOPNOTSUPP; 29570885ae1aSAbhiram R N } 2958a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2959a3222a2dSMaor Dickman match.mask->type); 2960a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2961a3222a2dSMaor Dickman match.key->type); 2962a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2963a3222a2dSMaor Dickman match.mask->code); 2964a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2965a3222a2dSMaor Dickman match.key->code); 2966a3222a2dSMaor Dickman break; 2967a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2968a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 29690885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 29700885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 29710885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2972a3222a2dSMaor Dickman return -EOPNOTSUPP; 29730885ae1aSAbhiram R N } 2974a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2975a3222a2dSMaor Dickman match.mask->type); 2976a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2977a3222a2dSMaor Dickman match.key->type); 2978a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2979a3222a2dSMaor Dickman match.mask->code); 2980a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2981a3222a2dSMaor Dickman match.key->code); 2982a3222a2dSMaor Dickman break; 2983a3222a2dSMaor Dickman default: 2984a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2985a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2986a3222a2dSMaor Dickman netdev_err(priv->netdev, 2987a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2988a3222a2dSMaor Dickman return -EINVAL; 2989a3222a2dSMaor Dickman } 2990a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2991a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2992a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2993a3222a2dSMaor Dickman } 2994a3222a2dSMaor Dickman } 299539c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 29967d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 29977d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 29987d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 29997d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 30007d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 30017d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 30027d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 30037d6c86e3SAlaa Hleihel } 30047d6c86e3SAlaa Hleihel 3005e3a2b7edSAmir Vadai return 0; 3006e3a2b7edSAmir Vadai } 3007e3a2b7edSAmir Vadai 3008de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 300965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3010de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3011f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 301254c177caSOz Shlomo struct net_device *filter_dev) 3013de0af0bfSRoi Dayan { 301493b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3015e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3016de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3017de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 30181d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 30191d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3020226f2ca3SVlad Buslov bool is_eswitch_flow; 3021de0af0bfSRoi Dayan int err; 3022de0af0bfSRoi Dayan 302393b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 302493b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 302593b3586eSHuy Nguyen 30260a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 30270a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 302893b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 302993b3586eSHuy Nguyen outer_match_level : inner_match_level; 3030de0af0bfSRoi Dayan 3031226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3032226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 30331d447a39SSaeed Mahameed rep = rpriv->rep; 3034b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 30351d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 303693b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3037e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3038e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3039de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3040de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 304193b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3042de0af0bfSRoi Dayan return -EOPNOTSUPP; 3043de0af0bfSRoi Dayan } 3044de0af0bfSRoi Dayan } 3045de0af0bfSRoi Dayan 3046c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3047c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3048c620b772SAriel Levkovich 304938aa51c1SOr Gerlitz 3050de0af0bfSRoi Dayan return err; 3051de0af0bfSRoi Dayan } 3052de0af0bfSRoi Dayan 3053d79b6df6SOr Gerlitz struct mlx5_fields { 3054d79b6df6SOr Gerlitz u8 field; 305588f30bbcSDmytro Linkin u8 field_bsize; 305688f30bbcSDmytro Linkin u32 field_mask; 3057d79b6df6SOr Gerlitz u32 offset; 305827c11b6bSEli Britstein u32 match_offset; 3059d79b6df6SOr Gerlitz }; 3060d79b6df6SOr Gerlitz 306188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 306288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 306327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 306427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 306527c11b6bSEli Britstein 30662ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 30672ef86872SEli Britstein * match. 30682ef86872SEli Britstein */ 30692ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 30702ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 30712ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 30722ef86872SEli Britstein type maskx = *(type *)(maskp); \ 30732ef86872SEli Britstein type valx = *(type *)(valp); \ 30742ef86872SEli Britstein \ 30752ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 30762ef86872SEli Britstein matchmaskx)); \ 30772ef86872SEli Britstein }) 30782ef86872SEli Britstein 307927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 308088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 308127c11b6bSEli Britstein { 308227c11b6bSEli Britstein bool same = false; 308327c11b6bSEli Britstein 308488f30bbcSDmytro Linkin switch (bsize) { 308588f30bbcSDmytro Linkin case 8: 30862ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 308727c11b6bSEli Britstein break; 308888f30bbcSDmytro Linkin case 16: 30892ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 309027c11b6bSEli Britstein break; 309188f30bbcSDmytro Linkin case 32: 30922ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 309327c11b6bSEli Britstein break; 309427c11b6bSEli Britstein } 309527c11b6bSEli Britstein 309627c11b6bSEli Britstein return same; 309727c11b6bSEli Britstein } 3098a8e4f0c4SOr Gerlitz 3099d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 310088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 310188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 310288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 310388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 310488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 310588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3106d79b6df6SOr Gerlitz 3107ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 310888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 310988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 311088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3111d79b6df6SOr Gerlitz 311288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 311327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 311488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 311527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 311688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 311727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 311888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 311927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 312088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 312127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 312288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 312327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 312488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 312527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 312688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 312727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 312888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3129748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3130d79b6df6SOr Gerlitz 313188f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 313288f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 313388f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 313488f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3135d79b6df6SOr Gerlitz 313688f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 313788f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3138d79b6df6SOr Gerlitz }; 3139d79b6df6SOr Gerlitz 314082198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 314182198d8bSMaor Dickman { 314282198d8bSMaor Dickman __be32 mask_be32; 314382198d8bSMaor Dickman __be16 mask_be16; 314482198d8bSMaor Dickman 314582198d8bSMaor Dickman if (size == 32) { 314682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 314782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 314882198d8bSMaor Dickman } else if (size == 16) { 314982198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 315082198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 315182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 315282198d8bSMaor Dickman } 315382198d8bSMaor Dickman 315482198d8bSMaor Dickman return mask; 315582198d8bSMaor Dickman } 315609bf9792SRoi Dayan 31576ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 31586ae4a6a5SPaul Blakey int namespace, 3159e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 316027c11b6bSEli Britstein u32 *action_flags, 3161e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3162d79b6df6SOr Gerlitz { 3163d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 316409bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 316588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 316688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 31676ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 316882198d8bSMaor Dickman unsigned long mask, field_mask; 31692c0e5cf5SPaul Blakey int i, first, last, next_z; 31702c0e5cf5SPaul Blakey struct mlx5_fields *f; 317188f30bbcSDmytro Linkin u8 cmd; 317288f30bbcSDmytro Linkin 31736ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 31748ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 31758ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3176d79b6df6SOr Gerlitz 317773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 317873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 317973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 318073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3181d79b6df6SOr Gerlitz 3182d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 318327c11b6bSEli Britstein bool skip; 318427c11b6bSEli Britstein 3185d79b6df6SOr Gerlitz f = &fields[i]; 3186d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3187e3ca4e05SOr Gerlitz s_mask = 0; 3188e3ca4e05SOr Gerlitz a_mask = 0; 3189d79b6df6SOr Gerlitz 3190d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3191d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3192d79b6df6SOr Gerlitz 319388f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 319488f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3195d79b6df6SOr Gerlitz 3196d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3197d79b6df6SOr Gerlitz continue; 3198d79b6df6SOr Gerlitz 3199d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3200e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3201e98bedf5SEli Britstein "can't set and add to the same HW field"); 320261b6a6c3SCai Huoqing netdev_warn(priv->netdev, 320361b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 320461b6a6c3SCai Huoqing f->field); 3205d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3206d79b6df6SOr Gerlitz } 3207d79b6df6SOr Gerlitz 320827c11b6bSEli Britstein skip = false; 3209d79b6df6SOr Gerlitz if (s_mask) { 321027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 321127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 321227c11b6bSEli Britstein 3213d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3214d79b6df6SOr Gerlitz mask = s_mask; 3215d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 321627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 321727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 321888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 321927c11b6bSEli Britstein skip = true; 3220d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 322188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3222d79b6df6SOr Gerlitz } else { 3223d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3224d79b6df6SOr Gerlitz mask = a_mask; 3225d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 322627c11b6bSEli Britstein /* add 0 is no change */ 322788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 322827c11b6bSEli Britstein skip = true; 3229d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 323088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3231d79b6df6SOr Gerlitz } 323227c11b6bSEli Britstein if (skip) 323327c11b6bSEli Britstein continue; 3234d79b6df6SOr Gerlitz 323582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 32362b64bebaSOr Gerlitz 323788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 323888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 323988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 32402b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3241e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3242e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 324361b6a6c3SCai Huoqing netdev_warn(priv->netdev, 324461b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3245d79b6df6SOr Gerlitz mask); 3246d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3247d79b6df6SOr Gerlitz } 3248d79b6df6SOr Gerlitz 32492c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 32502c0e5cf5SPaul Blakey if (IS_ERR(action)) { 32516ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32526ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 32536ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 32546ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 32556ae4a6a5SPaul Blakey mod_acts->num_actions); 32562c0e5cf5SPaul Blakey return PTR_ERR(action); 32576ae4a6a5SPaul Blakey } 32586ae4a6a5SPaul Blakey 3259d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3260d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3261d79b6df6SOr Gerlitz 3262d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 326388f30bbcSDmytro Linkin int start; 326488f30bbcSDmytro Linkin 326582198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 326682198d8bSMaor Dickman 326788f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 326882198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 326988f30bbcSDmytro Linkin 327088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3271d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 32722b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3273d79b6df6SOr Gerlitz } 3274d79b6df6SOr Gerlitz 327588f30bbcSDmytro Linkin if (f->field_bsize == 32) 32762b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 327788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 32782b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 327988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 32802b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3281d79b6df6SOr Gerlitz 32826ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3283d79b6df6SOr Gerlitz } 3284d79b6df6SOr Gerlitz 3285d79b6df6SOr Gerlitz return 0; 3286d79b6df6SOr Gerlitz } 3287d79b6df6SOr Gerlitz 3288d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3289d79b6df6SOr Gerlitz 3290918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3291c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3292c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3293c500c86bSPablo Neira Ayuso { 3294c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3295c500c86bSPablo Neira Ayuso u8 cmd; 3296c500c86bSPablo Neira Ayuso 3297d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 329809bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3299d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 330009bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3301b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3302d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3303d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3304918ed7bfSRoi Dayan return -EOPNOTSUPP; 3305918ed7bfSRoi Dayan } 3306918ed7bfSRoi Dayan } 3307918ed7bfSRoi Dayan 3308918ed7bfSRoi Dayan return 0; 3309918ed7bfSRoi Dayan } 3310918ed7bfSRoi Dayan 3311918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3312918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3313918ed7bfSRoi Dayan u32 *action_flags, 3314918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3315918ed7bfSRoi Dayan { 3316918ed7bfSRoi Dayan int err; 3317918ed7bfSRoi Dayan 3318918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3319918ed7bfSRoi Dayan if (err) 3320d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3321918ed7bfSRoi Dayan 3322918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3323918ed7bfSRoi Dayan if (err) 3324918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3325d79b6df6SOr Gerlitz 3326d79b6df6SOr Gerlitz return 0; 3327d79b6df6SOr Gerlitz 3328d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 33292c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3330d79b6df6SOr Gerlitz return err; 3331d79b6df6SOr Gerlitz } 3332d79b6df6SOr Gerlitz 33338998576bSDmytro Linkin struct ip_ttl_word { 33348998576bSDmytro Linkin __u8 ttl; 33358998576bSDmytro Linkin __u8 protocol; 33368998576bSDmytro Linkin __sum16 check; 33378998576bSDmytro Linkin }; 33388998576bSDmytro Linkin 33398998576bSDmytro Linkin struct ipv6_hoplimit_word { 33408998576bSDmytro Linkin __be16 payload_len; 33418998576bSDmytro Linkin __u8 nexthdr; 33428998576bSDmytro Linkin __u8 hop_limit; 33438998576bSDmytro Linkin }; 33448998576bSDmytro Linkin 33451836d780SRoi Dayan static bool 33465d7cb06eSPaul Blakey is_flow_action_modify_ip_header(struct flow_action *flow_action) 33478998576bSDmytro Linkin { 33485d7cb06eSPaul Blakey const struct flow_action_entry *act; 33498998576bSDmytro Linkin u32 mask, offset; 33508998576bSDmytro Linkin u8 htype; 33515d7cb06eSPaul Blakey int i; 33528998576bSDmytro Linkin 33538998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 33548998576bSDmytro Linkin * to determine that modified fields 33558998576bSDmytro Linkin * are NOT ttl & hop_limit only. 33568998576bSDmytro Linkin */ 33575d7cb06eSPaul Blakey flow_action_for_each(i, act, flow_action) { 33585d7cb06eSPaul Blakey if (act->id != FLOW_ACTION_MANGLE && 33595d7cb06eSPaul Blakey act->id != FLOW_ACTION_ADD) 33605d7cb06eSPaul Blakey continue; 33615d7cb06eSPaul Blakey 33625d7cb06eSPaul Blakey htype = act->mangle.htype; 33635d7cb06eSPaul Blakey offset = act->mangle.offset; 33645d7cb06eSPaul Blakey mask = ~act->mangle.mask; 33655d7cb06eSPaul Blakey 33668998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 33678998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 33688998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 33698998576bSDmytro Linkin 33708998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 33718998576bSDmytro Linkin ttl_word->protocol || 33725d7cb06eSPaul Blakey ttl_word->check) 33735d7cb06eSPaul Blakey return true; 33748998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 33758998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 33768998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 33778998576bSDmytro Linkin 33788998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 33798998576bSDmytro Linkin hoplimit_word->payload_len || 33805d7cb06eSPaul Blakey hoplimit_word->nexthdr) 33811836d780SRoi Dayan return true; 33828998576bSDmytro Linkin } 338396b5b458SDima Chumak } 338496b5b458SDima Chumak 338596b5b458SDima Chumak return false; 338696b5b458SDima Chumak } 338796b5b458SDima Chumak 33883d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 33893d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 339073867881SPablo Neira Ayuso struct flow_action *flow_action, 33915d7cb06eSPaul Blakey u32 actions, 3392e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3393bdd66ac0SOr Gerlitz { 33945d7cb06eSPaul Blakey bool modify_ip_header; 3395fca53304SEli Britstein void *headers_c; 3396bdd66ac0SOr Gerlitz void *headers_v; 3397bdd66ac0SOr Gerlitz u16 ethertype; 33988998576bSDmytro Linkin u8 ip_proto; 3399bdd66ac0SOr Gerlitz 34008ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 34018ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3402bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3403bdd66ac0SOr Gerlitz 3404bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3405fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3406fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3407bdd66ac0SOr Gerlitz goto out_ok; 3408bdd66ac0SOr Gerlitz 34095d7cb06eSPaul Blakey modify_ip_header = is_flow_action_modify_ip_header(flow_action); 3410bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 34111ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 34121ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3413e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3414e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 34153d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 34163d486ec4SOz Shlomo ip_proto); 3417bdd66ac0SOr Gerlitz return false; 3418bdd66ac0SOr Gerlitz } 3419bdd66ac0SOr Gerlitz 3420bdd66ac0SOr Gerlitz out_ok: 3421bdd66ac0SOr Gerlitz return true; 3422bdd66ac0SOr Gerlitz } 3423bdd66ac0SOr Gerlitz 34249c1d3511SRoi Dayan static bool 34259c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 34269c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 34279c1d3511SRoi Dayan struct netlink_ext_ack *extack) 34289c1d3511SRoi Dayan { 3429d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 34309c1d3511SRoi Dayan 3431d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3432d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3433d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3434d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3435d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3436d4f401d9SRoi Dayan return false; 3437d4f401d9SRoi Dayan } 3438d4f401d9SRoi Dayan 34399c1d3511SRoi Dayan return true; 34409c1d3511SRoi Dayan } 34419c1d3511SRoi Dayan 34429c1d3511SRoi Dayan static bool 34439c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 344473867881SPablo Neira Ayuso struct flow_action *flow_action, 34450610f8dcSRoi Dayan u32 actions, 3446bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3447e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3448e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3449bdd66ac0SOr Gerlitz { 34509c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 34515d7cb06eSPaul Blakey !modify_header_match_supported(priv, &parse_attr->spec, flow_action, actions, 34525d7cb06eSPaul Blakey extack)) 345349397b80SDan Carpenter return false; 3454bdd66ac0SOr Gerlitz 34559c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 3456b97653d8SRoi Dayan !actions_match_supported_fdb(priv, flow, extack)) 34579c1d3511SRoi Dayan return false; 3458bdd66ac0SOr Gerlitz 3459bdd66ac0SOr Gerlitz return true; 3460bdd66ac0SOr Gerlitz } 3461bdd66ac0SOr Gerlitz 346232134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 346332134847SMaor Dickman { 346432134847SMaor Dickman return priv->mdev == peer_priv->mdev; 346532134847SMaor Dickman } 346632134847SMaor Dickman 3467ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 34685c65c564SOr Gerlitz { 34695c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3470816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 34715c65c564SOr Gerlitz 34725c65c564SOr Gerlitz fmdev = priv->mdev; 34735c65c564SOr Gerlitz pmdev = peer_priv->mdev; 34745c65c564SOr Gerlitz 347559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 347659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 34775c65c564SOr Gerlitz 3478816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 34795c65c564SOr Gerlitz } 34805c65c564SOr Gerlitz 34810bac1194SEli Britstein static int 3482d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3483d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3484d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3485d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3486d9581e2fSRoi Dayan { 3487d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 348809bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3489d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3490d9581e2fSRoi Dayan int err; 3491d9581e2fSRoi Dayan 3492d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3493d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3494d9581e2fSRoi Dayan return 0; 3495d9581e2fSRoi Dayan 3496e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3497d9581e2fSRoi Dayan 349809bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3499d9581e2fSRoi Dayan if (err) 3500d9581e2fSRoi Dayan return err; 3501d9581e2fSRoi Dayan 3502d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3503d9581e2fSRoi Dayan return 0; 3504d9581e2fSRoi Dayan 3505fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3506d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 35072c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3508d9581e2fSRoi Dayan 3509d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3510d9581e2fSRoi Dayan return 0; 3511d9581e2fSRoi Dayan 3512d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3513d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3514d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3515d9581e2fSRoi Dayan 3516d9581e2fSRoi Dayan return 0; 3517d9581e2fSRoi Dayan } 3518d9581e2fSRoi Dayan 35198300f225SRoi Dayan static struct mlx5_flow_attr* 35208300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 35218300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 35228300f225SRoi Dayan { 35238300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 35248300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 35258300f225SRoi Dayan struct mlx5_flow_attr *attr2; 35268300f225SRoi Dayan 35278300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 35288300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 35298300f225SRoi Dayan if (!attr2 || !parse_attr) { 35308300f225SRoi Dayan kvfree(parse_attr); 35318300f225SRoi Dayan kfree(attr2); 3532371c2b34SDan Carpenter return NULL; 35338300f225SRoi Dayan } 35348300f225SRoi Dayan 35358300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 35368300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 35378300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 35388300f225SRoi Dayan attr2->action = 0; 3539e9d1061dSOz Shlomo attr2->counter = NULL; 3540b23bf10cSOz Shlomo attr2->tc_act_cookies_count = 0; 35418300f225SRoi Dayan attr2->flags = 0; 35428300f225SRoi Dayan attr2->parse_attr = parse_attr; 354394d65173SRoi Dayan attr2->dest_chain = 0; 354494d65173SRoi Dayan attr2->dest_ft = NULL; 354567027828SPaul Blakey attr2->act_id_restore_rule = NULL; 354608fe94ecSPaul Blakey memset(&attr2->ct_attr, 0, sizeof(attr2->ct_attr)); 35477f1a6d4bSRoi Dayan 35487f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 35497f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 35507f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 35517f1a6d4bSRoi Dayan } 35527f1a6d4bSRoi Dayan 3553f86488cbSOz Shlomo attr2->branch_true = NULL; 3554f86488cbSOz Shlomo attr2->branch_false = NULL; 3555c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 35568300f225SRoi Dayan return attr2; 35578300f225SRoi Dayan } 35588300f225SRoi Dayan 35598300f225SRoi Dayan struct mlx5_flow_attr * 35608300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 35618300f225SRoi Dayan { 35628300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 35638300f225SRoi Dayan struct mlx5_flow_attr *attr; 35648300f225SRoi Dayan int i; 35658300f225SRoi Dayan 35668300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 35678300f225SRoi Dayan esw_attr = attr->esw_attr; 35688300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 35698300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 35708300f225SRoi Dayan return attr; 35718300f225SRoi Dayan } 35728300f225SRoi Dayan } 35738300f225SRoi Dayan 35748300f225SRoi Dayan return NULL; 35758300f225SRoi Dayan } 35768300f225SRoi Dayan 35778300f225SRoi Dayan void 35788300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 35798300f225SRoi Dayan { 35808300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 35818300f225SRoi Dayan struct mlx5_flow_attr *attr; 35828300f225SRoi Dayan 35838300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 35848300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 35858300f225SRoi Dayan break; 35868300f225SRoi Dayan 35878300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 35888300f225SRoi Dayan } 35898300f225SRoi Dayan } 35908300f225SRoi Dayan 35918300f225SRoi Dayan static void 35928300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 35938300f225SRoi Dayan { 35948300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 35958300f225SRoi Dayan 35968300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 35978300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 35988300f225SRoi Dayan break; 35998300f225SRoi Dayan 3600a830ec48SPaul Blakey mlx5_free_flow_attr_actions(flow, attr); 36018300f225SRoi Dayan 36028300f225SRoi Dayan list_del(&attr->list); 36038300f225SRoi Dayan kvfree(attr->parse_attr); 36048300f225SRoi Dayan kfree(attr); 36058300f225SRoi Dayan } 36068300f225SRoi Dayan } 36078300f225SRoi Dayan 36088300f225SRoi Dayan int 36098300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 36108300f225SRoi Dayan { 36118300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 36128300f225SRoi Dayan struct mlx5_flow_attr *attr; 36138300f225SRoi Dayan int err = 0; 36148300f225SRoi Dayan 36158300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36168300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 36178300f225SRoi Dayan break; 36188300f225SRoi Dayan 36198300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 36208300f225SRoi Dayan if (err) 36218300f225SRoi Dayan break; 36228300f225SRoi Dayan } 36238300f225SRoi Dayan 36248300f225SRoi Dayan return err; 36258300f225SRoi Dayan } 36268300f225SRoi Dayan 36278300f225SRoi Dayan /* TC filter rule HW translation: 36288300f225SRoi Dayan * 36298300f225SRoi Dayan * +---------------------+ 36308300f225SRoi Dayan * + ft prio (tc chain) + 36318300f225SRoi Dayan * + original match + 36328300f225SRoi Dayan * +---------------------+ 36338300f225SRoi Dayan * | 36348300f225SRoi Dayan * | if multi table action 36358300f225SRoi Dayan * | 36368300f225SRoi Dayan * v 36378300f225SRoi Dayan * +---------------------+ 36388300f225SRoi Dayan * + post act ft |<----. 36398300f225SRoi Dayan * + match fte id | | split on multi table action 36408300f225SRoi Dayan * + do actions |-----' 36418300f225SRoi Dayan * +---------------------+ 36428300f225SRoi Dayan * | 36438300f225SRoi Dayan * | 36448300f225SRoi Dayan * v 36458300f225SRoi Dayan * Do rest of the actions after last multi table action. 36468300f225SRoi Dayan */ 36478300f225SRoi Dayan static int 36488300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 36498300f225SRoi Dayan { 36508300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 36518300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 36528300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 36538300f225SRoi Dayan int err; 36548300f225SRoi Dayan 36558300f225SRoi Dayan /* This is going in reverse order as needed. 36568300f225SRoi Dayan * The first entry is the last attribute. 36578300f225SRoi Dayan */ 36588300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 36598300f225SRoi Dayan if (!next_attr) { 36608300f225SRoi Dayan /* Set counter action on last post act rule. */ 36618300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3662c84fa1abSOz Shlomo } 3663c84fa1abSOz Shlomo 3664c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 36658300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 36668300f225SRoi Dayan if (err) 36678300f225SRoi Dayan goto out_free; 36688300f225SRoi Dayan } 36698300f225SRoi Dayan 36708300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 36718300f225SRoi Dayan * It's being handled by the caller. 36728300f225SRoi Dayan */ 36738300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 36748300f225SRoi Dayan break; 36758300f225SRoi Dayan 36768300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 36778300f225SRoi Dayan if (err) 36788300f225SRoi Dayan goto out_free; 36798300f225SRoi Dayan 3680ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 36818300f225SRoi Dayan if (err) 36828300f225SRoi Dayan goto out_free; 36838300f225SRoi Dayan 36848300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 36858300f225SRoi Dayan if (IS_ERR(handle)) { 36868300f225SRoi Dayan err = PTR_ERR(handle); 36878300f225SRoi Dayan goto out_free; 36888300f225SRoi Dayan } 36898300f225SRoi Dayan 36908300f225SRoi Dayan attr->post_act_handle = handle; 3691c84fa1abSOz Shlomo 3692c84fa1abSOz Shlomo if (attr->jumping_attr) { 3693c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3694c84fa1abSOz Shlomo if (err) 3695c84fa1abSOz Shlomo goto out_free; 3696c84fa1abSOz Shlomo } 3697c84fa1abSOz Shlomo 36988300f225SRoi Dayan next_attr = attr; 36998300f225SRoi Dayan } 37008300f225SRoi Dayan 37018300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 37028300f225SRoi Dayan goto out; 37038300f225SRoi Dayan 37048300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 37058300f225SRoi Dayan if (err) 37068300f225SRoi Dayan goto out_free; 37078300f225SRoi Dayan 37088300f225SRoi Dayan out: 37098300f225SRoi Dayan return 0; 37108300f225SRoi Dayan 37118300f225SRoi Dayan out_free: 37128300f225SRoi Dayan free_flow_post_acts(flow); 37138300f225SRoi Dayan return err; 37148300f225SRoi Dayan } 37158300f225SRoi Dayan 37168300f225SRoi Dayan static int 3717f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 3718f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 3719f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 3720f86488cbSOz Shlomo u32 *jump_count, 3721f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3722f86488cbSOz Shlomo { 3723f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 3724f86488cbSOz Shlomo int err = 0; 3725f86488cbSOz Shlomo 3726f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 3727f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 3728f86488cbSOz Shlomo if (!(*cond_attr)) 3729f86488cbSOz Shlomo return -ENOMEM; 3730f86488cbSOz Shlomo 3731f86488cbSOz Shlomo attr = *cond_attr; 3732f86488cbSOz Shlomo 3733f86488cbSOz Shlomo switch (cond->act_id) { 3734f86488cbSOz Shlomo case FLOW_ACTION_DROP: 3735f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3736f86488cbSOz Shlomo break; 3737f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 3738f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 3739f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3740f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3741f86488cbSOz Shlomo break; 3742f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 3743f86488cbSOz Shlomo if (*jump_count) { 3744f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 3745f86488cbSOz Shlomo err = -EOPNOTSUPP; 3746f86488cbSOz Shlomo goto out_err; 3747f86488cbSOz Shlomo } 3748f86488cbSOz Shlomo *jump_count = cond->extval; 3749f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3750f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3751f86488cbSOz Shlomo break; 3752f86488cbSOz Shlomo default: 3753f86488cbSOz Shlomo err = -EOPNOTSUPP; 3754f86488cbSOz Shlomo goto out_err; 3755f86488cbSOz Shlomo } 3756f86488cbSOz Shlomo 3757f86488cbSOz Shlomo return err; 3758f86488cbSOz Shlomo out_err: 3759f86488cbSOz Shlomo kfree(*cond_attr); 3760f86488cbSOz Shlomo *cond_attr = NULL; 3761f86488cbSOz Shlomo return err; 3762f86488cbSOz Shlomo } 3763f86488cbSOz Shlomo 3764c84fa1abSOz Shlomo static void 3765c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3766c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 3767c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 3768c84fa1abSOz Shlomo { 3769c84fa1abSOz Shlomo if (!jump_state->jump_count) 3770c84fa1abSOz Shlomo return; 3771c84fa1abSOz Shlomo 3772c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 3773c84fa1abSOz Shlomo * Jump only over a tc action 3774c84fa1abSOz Shlomo */ 3775c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 3776c84fa1abSOz Shlomo return; 3777c84fa1abSOz Shlomo 3778c84fa1abSOz Shlomo jump_state->last_id = act->id; 3779c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 3780c84fa1abSOz Shlomo 3781c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 3782c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 3783c84fa1abSOz Shlomo return; 3784c84fa1abSOz Shlomo 3785c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 3786c84fa1abSOz Shlomo 3787c84fa1abSOz Shlomo /* create a new attribute after this action */ 3788c84fa1abSOz Shlomo jump_state->jump_target = true; 3789c84fa1abSOz Shlomo 3790c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 3791c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 3792c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3793c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 3794c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 3795c84fa1abSOz Shlomo 3796c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3797c84fa1abSOz Shlomo post_act = get_post_action(priv); 3798c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 3799c84fa1abSOz Shlomo } 3800c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 3801c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 3802c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 3803c84fa1abSOz Shlomo */ 3804c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 3805c84fa1abSOz Shlomo } 3806c84fa1abSOz Shlomo } 3807c84fa1abSOz Shlomo 3808f86488cbSOz Shlomo static int 3809f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3810f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 3811c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 3812f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3813f86488cbSOz Shlomo { 3814f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 3815c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 3816f86488cbSOz Shlomo int err; 3817f86488cbSOz Shlomo 3818f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 3819f86488cbSOz Shlomo return 0; 3820f86488cbSOz Shlomo 3821f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 3822f86488cbSOz Shlomo 3823f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 3824f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 3825f86488cbSOz Shlomo if (err) 3826f86488cbSOz Shlomo goto out_err; 3827f86488cbSOz Shlomo 3828c84fa1abSOz Shlomo if (jump_count) 3829c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 3830c84fa1abSOz Shlomo 3831f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 3832f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 3833f86488cbSOz Shlomo if (err) 3834f86488cbSOz Shlomo goto err_branch_false; 3835f86488cbSOz Shlomo 3836c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 3837c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 3838c84fa1abSOz Shlomo 3839c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 3840e9d1061dSOz Shlomo 3841e9d1061dSOz Shlomo /* branching action requires its own counter */ 3842e9d1061dSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 38432b68d659SOz Shlomo flow_flag_set(flow, USE_ACT_STATS); 3844e9d1061dSOz Shlomo 3845f86488cbSOz Shlomo return 0; 3846f86488cbSOz Shlomo 3847f86488cbSOz Shlomo err_branch_false: 3848f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3849f86488cbSOz Shlomo out_err: 3850f86488cbSOz Shlomo return err; 3851f86488cbSOz Shlomo } 3852f86488cbSOz Shlomo 3853f86488cbSOz Shlomo static int 38548300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 38558300f225SRoi Dayan struct flow_action *flow_action) 38568300f225SRoi Dayan { 38578300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 38588300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 3859c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 38608300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 38618300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 38628300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 386313aca17bSPaul Blakey struct mlx5_flow_attr *prev_attr; 386467efaf45SPaul Blakey struct flow_action_entry *act; 38658300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 38665d862ec6SVlad Buslov int err, i, i_split = 0; 386713aca17bSPaul Blakey bool is_missable; 38688300f225SRoi Dayan 38698300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 38708300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 38718300f225SRoi Dayan 387267efaf45SPaul Blakey flow_action_for_each(i, act, flow_action) { 3873c84fa1abSOz Shlomo jump_state.jump_target = false; 387413aca17bSPaul Blakey is_missable = false; 387513aca17bSPaul Blakey prev_attr = attr; 387613aca17bSPaul Blakey 38778300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 38788300f225SRoi Dayan if (!tc_act) { 38798300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 38808300f225SRoi Dayan err = -EOPNOTSUPP; 388167efaf45SPaul Blakey goto out_free_post_acts; 38828300f225SRoi Dayan } 38838300f225SRoi Dayan 38840840c9f7SPaul Blakey if (tc_act->can_offload && !tc_act->can_offload(parse_state, act, i, attr)) { 38858300f225SRoi Dayan err = -EOPNOTSUPP; 388667efaf45SPaul Blakey goto out_free_post_acts; 38878300f225SRoi Dayan } 38888300f225SRoi Dayan 38898300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 38908300f225SRoi Dayan if (err) 389167efaf45SPaul Blakey goto out_free_post_acts; 38928300f225SRoi Dayan 3893c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 3894c84fa1abSOz Shlomo 3895c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 3896f86488cbSOz Shlomo if (err) 389767efaf45SPaul Blakey goto out_free_post_acts; 3898f86488cbSOz Shlomo 38998300f225SRoi Dayan parse_state->actions |= attr->action; 39008300f225SRoi Dayan 39018300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 3902c84fa1abSOz Shlomo if (jump_state.jump_target || 3903c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 39048300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 390567efaf45SPaul Blakey i < flow_action->num_entries - 1)) { 390613aca17bSPaul Blakey is_missable = tc_act->is_missable ? tc_act->is_missable(act) : false; 390713aca17bSPaul Blakey 39085d862ec6SVlad Buslov err = mlx5e_tc_act_post_parse(parse_state, flow_action, i_split, i, attr, 39095d862ec6SVlad Buslov ns_type); 39108300f225SRoi Dayan if (err) 391167efaf45SPaul Blakey goto out_free_post_acts; 39128300f225SRoi Dayan 39138300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 39148300f225SRoi Dayan if (!attr) { 39158300f225SRoi Dayan err = -ENOMEM; 391667efaf45SPaul Blakey goto out_free_post_acts; 39178300f225SRoi Dayan } 39188300f225SRoi Dayan 39195d862ec6SVlad Buslov i_split = i + 1; 39208300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 39218300f225SRoi Dayan } 392213aca17bSPaul Blakey 392313aca17bSPaul Blakey if (is_missable) { 392413aca17bSPaul Blakey /* Add counter to prev, and assign act to new (next) attr */ 392513aca17bSPaul Blakey prev_attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 392613aca17bSPaul Blakey flow_flag_set(flow, USE_ACT_STATS); 392713aca17bSPaul Blakey 392813aca17bSPaul Blakey attr->tc_act_cookies[attr->tc_act_cookies_count++] = act->cookie; 392913aca17bSPaul Blakey } else if (!tc_act->stats_action) { 393013aca17bSPaul Blakey prev_attr->tc_act_cookies[prev_attr->tc_act_cookies_count++] = act->cookie; 393113aca17bSPaul Blakey } 39328300f225SRoi Dayan } 39338300f225SRoi Dayan 39345d862ec6SVlad Buslov err = mlx5e_tc_act_post_parse(parse_state, flow_action, i_split, i, attr, ns_type); 39358300f225SRoi Dayan if (err) 39368300f225SRoi Dayan goto out_free_post_acts; 39378300f225SRoi Dayan 39388300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 39398300f225SRoi Dayan if (err) 39408300f225SRoi Dayan goto out_free_post_acts; 39418300f225SRoi Dayan 39428300f225SRoi Dayan return 0; 39438300f225SRoi Dayan 39448300f225SRoi Dayan out_free_post_acts: 39458300f225SRoi Dayan free_flow_post_acts(flow); 39468300f225SRoi Dayan 39478300f225SRoi Dayan return err; 39488300f225SRoi Dayan } 39498300f225SRoi Dayan 3950d9581e2fSRoi Dayan static int 3951df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3952df990477SRoi Dayan struct netlink_ext_ack *extack) 3953df990477SRoi Dayan { 3954df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3955df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3956df990477SRoi Dayan return -EINVAL; 3957df990477SRoi Dayan } 3958df990477SRoi Dayan 3959df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3960df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3961df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3962df990477SRoi Dayan return -EOPNOTSUPP; 3963df990477SRoi Dayan } 3964df990477SRoi Dayan 3965df990477SRoi Dayan return 0; 3966df990477SRoi Dayan } 3967df990477SRoi Dayan 3968df990477SRoi Dayan static int 3969d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 397073867881SPablo Neira Ayuso struct flow_action *flow_action, 3971e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3972e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3973e3a2b7edSAmir Vadai { 3974fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3975c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3976c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 39778333d53eSRoi Dayan int err; 3978e3a2b7edSAmir Vadai 3979df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3980df990477SRoi Dayan if (err) 3981df990477SRoi Dayan return err; 3982319a1d19SJiri Pirko 3983fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3984c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3985fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3986fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3987758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3988e3a2b7edSAmir Vadai 39898333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3990fad54790SRoi Dayan if (err) 3991fad54790SRoi Dayan return err; 3992e3a2b7edSAmir Vadai 399309bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 3994d9581e2fSRoi Dayan if (err) 3995d9581e2fSRoi Dayan return err; 3996d9581e2fSRoi Dayan 399764426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 399864426382SOz Shlomo if (err) 399964426382SOz Shlomo return err; 400064426382SOz Shlomo 40010610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 40020610f8dcSRoi Dayan parse_attr, flow, extack)) 4003bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4004bdd66ac0SOr Gerlitz 4005e3a2b7edSAmir Vadai return 0; 4006e3a2b7edSAmir Vadai } 4007e3a2b7edSAmir Vadai 400832134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4009b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4010b1d90e6bSRabie Loulou { 4011b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4012b1d90e6bSRabie Loulou 4013b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4014b1d90e6bSRabie Loulou 4015b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 401632134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 401732134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4018ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4019d34eb2fcSOr Gerlitz } 4020d34eb2fcSOr Gerlitz 402132134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 402232134847SMaor Dickman struct net_device *peer_netdev) 402332134847SMaor Dickman { 402432134847SMaor Dickman struct mlx5e_priv *peer_priv; 402532134847SMaor Dickman 402632134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 402732134847SMaor Dickman 402832134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 402932134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4030ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 403132134847SMaor Dickman } 403232134847SMaor Dickman 403332134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 403432134847SMaor Dickman struct net_device *peer_netdev) 403532134847SMaor Dickman { 403632134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 403732134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 403832134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 403932134847SMaor Dickman } 404032134847SMaor Dickman 404194db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 404294db3317SEli Cohen { 40438ce81fc0SRoi Dayan return same_hw_reps(priv, out_dev) && mlx5_lag_is_mpesw(priv->mdev); 404494db3317SEli Cohen } 404594db3317SEli Cohen 4046f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4047f6dc1264SPaul Blakey struct net_device *out_dev) 4048f6dc1264SPaul Blakey { 404932134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 405032134847SMaor Dickman return true; 405132134847SMaor Dickman 405294db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 405394db3317SEli Cohen return true; 405494db3317SEli Cohen 405532134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4056f6dc1264SPaul Blakey return true; 4057f6dc1264SPaul Blakey 4058f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 405932134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4060f6dc1264SPaul Blakey } 4061f6dc1264SPaul Blakey 406227484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 406327484f71SAriel Levkovich struct mlx5_flow_attr *attr, 406427484f71SAriel Levkovich int ifindex, 406527484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 406627484f71SAriel Levkovich u32 *action, 406727484f71SAriel Levkovich int out_index) 406827484f71SAriel Levkovich { 406927484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 407027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 407127484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 407227484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 407327484f71SAriel Levkovich int err; 407427484f71SAriel Levkovich 407527484f71SAriel Levkovich parse_attr = attr->parse_attr; 407627484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 407727484f71SAriel Levkovich 407827484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 407927484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 408027484f71SAriel Levkovich return PTR_ERR(dest_int_port); 408127484f71SAriel Levkovich 408227484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 408327484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 408427484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 408527484f71SAriel Levkovich if (err) { 408627484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 408727484f71SAriel Levkovich return err; 408827484f71SAriel Levkovich } 408927484f71SAriel Levkovich 409027484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 409127484f71SAriel Levkovich 409227484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 409327484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 409428d3815aSMaor Dickman esw_attr->split_count = out_index; 409527484f71SAriel Levkovich 409627484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 409727484f71SAriel Levkovich attr->dest_chain = 0; 409827484f71SAriel Levkovich 409927484f71SAriel Levkovich return 0; 410027484f71SAriel Levkovich } 410127484f71SAriel Levkovich 41028333d53eSRoi Dayan static int 41038333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 410473867881SPablo Neira Ayuso struct flow_action *flow_action, 4105e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 410670f8019eSRoi Dayan struct netlink_ext_ack *extack) 4107a54e20b4SHadar Hen Zion { 4108fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4109c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4110c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4111c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4112f382a241SAriel Levkovich struct net_device *filter_dev; 41138333d53eSRoi Dayan int err; 411403a9d11eSOr Gerlitz 4115df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4116df990477SRoi Dayan if (err) 4117df990477SRoi Dayan return err; 4118319a1d19SJiri Pirko 4119c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4120c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4121f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4122fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4123fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4124758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4125c620b772SAriel Levkovich 41268333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4127fad54790SRoi Dayan if (err) 4128fad54790SRoi Dayan return err; 4129bdd66ac0SOr Gerlitz 4130166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4131f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4132166f431eSAriel Levkovich esw_attr->out_count > 1) { 413327484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4134166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 413527484f71SAriel Levkovich return -EOPNOTSUPP; 413627484f71SAriel Levkovich } 413727484f71SAriel Levkovich 4138f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4139f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4140f382a241SAriel Levkovich esw_attr->dest_int_port) { 4141f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4142f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4143f382a241SAriel Levkovich return -EOPNOTSUPP; 4144f382a241SAriel Levkovich } 4145f382a241SAriel Levkovich 414609bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4147c500c86bSPablo Neira Ayuso if (err) 4148c500c86bSPablo Neira Ayuso return err; 4149c500c86bSPablo Neira Ayuso 41500610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 41510610f8dcSRoi Dayan parse_attr, flow, extack)) 4152bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4153bdd66ac0SOr Gerlitz 415431c8eba5SOr Gerlitz return 0; 415503a9d11eSOr Gerlitz } 415603a9d11eSOr Gerlitz 4157226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 415860bd4af8SOr Gerlitz { 4159226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 416060bd4af8SOr Gerlitz 4161226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4162226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4163226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4164226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 416560bd4af8SOr Gerlitz 4166226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4167226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4168226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4169226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 417084179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 417184179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4172d9ee0491SOr Gerlitz 417360bd4af8SOr Gerlitz *flow_flags = __flow_flags; 417460bd4af8SOr Gerlitz } 417560bd4af8SOr Gerlitz 417605866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 417705866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 417805866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 417905866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 418005866c82SOr Gerlitz .automatic_shrinking = true, 418105866c82SOr Gerlitz }; 418205866c82SOr Gerlitz 4183226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4184226f2ca3SVlad Buslov unsigned long flags) 418505866c82SOr Gerlitz { 4186f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4187d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4188655dc3d2SOr Gerlitz 4189226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4190d1a3138fSPaul Blakey rpriv = priv->ppriv; 4191d1a3138fSPaul Blakey return &rpriv->tc_ht; 4192d9ee0491SOr Gerlitz } else /* NIC offload */ 4193f52f2faeSLama Kayal return &tc->ht; 419405866c82SOr Gerlitz } 419505866c82SOr Gerlitz 419604de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 419704de7ddaSRoi Dayan { 4198c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4199c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4200c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4201226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 42021418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 42031418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4204c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 42051418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 42061418ddd9SAviv Heller 420710fbb1cdSRoi Dayan if (!esw_paired) 420810fbb1cdSRoi Dayan return false; 420910fbb1cdSRoi Dayan 4210c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4211c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 421210fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 421310fbb1cdSRoi Dayan return true; 421410fbb1cdSRoi Dayan 42158ce81fc0SRoi Dayan if (mlx5_lag_is_mpesw(esw_attr->in_mdev)) 42168ce81fc0SRoi Dayan return true; 42178ce81fc0SRoi Dayan 421810fbb1cdSRoi Dayan return false; 421904de7ddaSRoi Dayan } 422004de7ddaSRoi Dayan 4221c620b772SAriel Levkovich struct mlx5_flow_attr * 4222c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4223c620b772SAriel Levkovich { 4224c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4225c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4226c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4227c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4228c620b772SAriel Levkovich 42298300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 42308300f225SRoi Dayan if (!attr) 42318300f225SRoi Dayan return attr; 42328300f225SRoi Dayan 42338300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 42348300f225SRoi Dayan return attr; 4235c620b772SAriel Levkovich } 4236c620b772SAriel Levkovich 4237f86488cbSOz Shlomo static void 4238a830ec48SPaul Blakey mlx5_free_flow_attr_actions(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4239f86488cbSOz Shlomo { 4240f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4241f86488cbSOz Shlomo 4242f86488cbSOz Shlomo if (!attr) 4243f86488cbSOz Shlomo return; 4244f86488cbSOz Shlomo 4245f86488cbSOz Shlomo if (attr->post_act_handle) 4246f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4247f86488cbSOz Shlomo 4248e2ab5aa1SChris Mi mlx5e_tc_tun_encap_dests_unset(flow->priv, flow, attr); 4249f86488cbSOz Shlomo 4250f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4251f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4252f86488cbSOz Shlomo 4253f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4254f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4255ef78b8d5SRoi Dayan mlx5e_tc_detach_mod_hdr(flow->priv, flow, attr); 4256f86488cbSOz Shlomo } 4257a830ec48SPaul Blakey 425808fe94ecSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 425908fe94ecSPaul Blakey 4260a830ec48SPaul Blakey free_branch_attr(flow, attr->branch_true); 4261a830ec48SPaul Blakey free_branch_attr(flow, attr->branch_false); 4262f86488cbSOz Shlomo } 4263f86488cbSOz Shlomo 4264a88780a9SRoi Dayan static int 4265a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4266226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4267a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4268a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4269e3a2b7edSAmir Vadai { 427017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4271c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 42723bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4273ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4274ff7ea04aSGustavo A. R. Silva int out_index; 4275776b12b6SOr Gerlitz 4276c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 42771b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4278ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4279ff7ea04aSGustavo A. R. Silva goto err_free; 4280c620b772SAriel Levkovich 4281c620b772SAriel Levkovich flow->flags = flow_flags; 4282c620b772SAriel Levkovich flow->cookie = f->cookie; 4283c620b772SAriel Levkovich flow->priv = priv; 4284c620b772SAriel Levkovich 4285e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4286ff7ea04aSGustavo A. R. Silva if (!attr) 4287e3a2b7edSAmir Vadai goto err_free; 4288ff7ea04aSGustavo A. R. Silva 4289c620b772SAriel Levkovich flow->attr = attr; 4290e3a2b7edSAmir Vadai 42915a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 42925a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 42935a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 429414e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 42958300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 4296953bb24dSMark Bloch INIT_LIST_HEAD(&flow->peer_flows); 42975a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 429895435ad7SVlad Buslov init_completion(&flow->init_done); 4299362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4300e3a2b7edSAmir Vadai 4301a88780a9SRoi Dayan *__flow = flow; 4302a88780a9SRoi Dayan *__parse_attr = parse_attr; 4303a88780a9SRoi Dayan 4304a88780a9SRoi Dayan return 0; 4305a88780a9SRoi Dayan 4306a88780a9SRoi Dayan err_free: 4307a88780a9SRoi Dayan kfree(flow); 4308a88780a9SRoi Dayan kvfree(parse_attr); 4309a88780a9SRoi Dayan return err; 4310adb4c123SOr Gerlitz } 4311adb4c123SOr Gerlitz 4312988ab9c7STonghao Zhang static void 4313c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4314c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4315c7569097SAriel Levkovich struct flow_cls_offload *f) 4316c7569097SAriel Levkovich { 4317c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4318c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4319c7569097SAriel Levkovich attr->prio = f->common.prio; 4320c7569097SAriel Levkovich } 4321c7569097SAriel Levkovich 4322c7569097SAriel Levkovich static void 4323c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4324988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4325988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4326f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4327988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4328988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4329988ab9c7STonghao Zhang { 4330988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4331c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4332988ab9c7STonghao Zhang 4333c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4334988ab9c7STonghao Zhang 4335988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4336988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4337988ab9c7STonghao Zhang 4338988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4339988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4340988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4341988ab9c7STonghao Zhang else 4342988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4343988ab9c7STonghao Zhang } 4344988ab9c7STonghao Zhang 434571129676SJason Gunthorpe static struct mlx5e_tc_flow * 434604de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4347f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4348226f2ca3SVlad Buslov unsigned long flow_flags, 4349d11afc26SOz Shlomo struct net_device *filter_dev, 435004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 435171129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4352a88780a9SRoi Dayan { 4353f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4354a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4355a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4356a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4357a88780a9SRoi Dayan int attr_size, err; 4358a88780a9SRoi Dayan 4359226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4360a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4361a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4362a88780a9SRoi Dayan &parse_attr, &flow); 4363a88780a9SRoi Dayan if (err) 4364a88780a9SRoi Dayan goto out; 4365988ab9c7STonghao Zhang 4366d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4367c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4368988ab9c7STonghao Zhang priv, parse_attr, 4369988ab9c7STonghao Zhang f, in_rep, in_mdev); 4370988ab9c7STonghao Zhang 437154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 437254c177caSOz Shlomo f, filter_dev); 4373d11afc26SOz Shlomo if (err) 4374d11afc26SOz Shlomo goto err_free; 4375a88780a9SRoi Dayan 43767e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4377aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4378c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4379a88780a9SRoi Dayan if (err) 4380a88780a9SRoi Dayan goto err_free; 4381a88780a9SRoi Dayan 438270f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 43834c3844d9SPaul Blakey if (err) 43844c3844d9SPaul Blakey goto err_free; 43854c3844d9SPaul Blakey 43867040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 438795435ad7SVlad Buslov complete_all(&flow->init_done); 4388ef06c9eeSRoi Dayan if (err) { 4389ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4390a32327a3SRoi Dayan goto err_free; 43915c40348cSOr Gerlitz 4392b4a23329SRoi Dayan add_unready_flow(flow); 4393ef06c9eeSRoi Dayan } 4394ef06c9eeSRoi Dayan 439571129676SJason Gunthorpe return flow; 4396e3a2b7edSAmir Vadai 4397e3a2b7edSAmir Vadai err_free: 43985a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4399a88780a9SRoi Dayan out: 440071129676SJason Gunthorpe return ERR_PTR(err); 4401a88780a9SRoi Dayan } 4402a88780a9SRoi Dayan 4403f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 440495dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4405*b1661efaSShay Drory unsigned long flow_flags, 4406*b1661efaSShay Drory struct mlx5_eswitch *peer_esw) 440704de7ddaSRoi Dayan { 440804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 4409*b1661efaSShay Drory struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4410c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 441104de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 441204de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 441304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 441404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 441504de7ddaSRoi Dayan int err = 0; 441604de7ddaSRoi Dayan 441704de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 441804de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 441904de7ddaSRoi Dayan 442004de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 442104de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 442204de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 442304de7ddaSRoi Dayan * peer mdev. 44248ce81fc0SRoi Dayan * In multiport eswitch it's a special case that we need to 44258ce81fc0SRoi Dayan * keep the original mdev. 442604de7ddaSRoi Dayan */ 44278ce81fc0SRoi Dayan if (attr->in_rep->vport == MLX5_VPORT_UPLINK && !mlx5_lag_is_mpesw(priv->mdev)) 442804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 442904de7ddaSRoi Dayan else 443004de7ddaSRoi Dayan in_mdev = priv->mdev; 443104de7ddaSRoi Dayan 4432c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 443395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 443404de7ddaSRoi Dayan parse_attr->filter_dev, 4435c620b772SAriel Levkovich attr->in_rep, in_mdev); 443671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 443771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 443804de7ddaSRoi Dayan goto out; 443971129676SJason Gunthorpe } 444004de7ddaSRoi Dayan 4441953bb24dSMark Bloch list_add_tail(&peer_flow->peer_flows, &flow->peer_flows); 4442226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 444304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 444404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 444504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 444604de7ddaSRoi Dayan 444704de7ddaSRoi Dayan out: 444804de7ddaSRoi Dayan return err; 444904de7ddaSRoi Dayan } 445004de7ddaSRoi Dayan 445104de7ddaSRoi Dayan static int 445204de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4453f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4454226f2ca3SVlad Buslov unsigned long flow_flags, 445504de7ddaSRoi Dayan struct net_device *filter_dev, 445604de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 445704de7ddaSRoi Dayan { 4458*b1661efaSShay Drory struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 445904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 446004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 446104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 4462*b1661efaSShay Drory struct mlx5_eswitch *peer_esw; 446304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 446404de7ddaSRoi Dayan int err; 446504de7ddaSRoi Dayan 446671129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 446771129676SJason Gunthorpe in_mdev); 446871129676SJason Gunthorpe if (IS_ERR(flow)) 446971129676SJason Gunthorpe return PTR_ERR(flow); 447004de7ddaSRoi Dayan 4471*b1661efaSShay Drory if (!is_peer_flow_needed(flow)) { 4472*b1661efaSShay Drory *__flow = flow; 4473*b1661efaSShay Drory return 0; 447404de7ddaSRoi Dayan } 4475*b1661efaSShay Drory 4476*b1661efaSShay Drory peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 4477*b1661efaSShay Drory if (!peer_esw) { 4478*b1661efaSShay Drory err = -ENODEV; 4479*b1661efaSShay Drory goto clean_flow; 448004de7ddaSRoi Dayan } 448104de7ddaSRoi Dayan 4482*b1661efaSShay Drory err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags, peer_esw); 4483*b1661efaSShay Drory if (err) 4484*b1661efaSShay Drory goto peer_clean; 4485*b1661efaSShay Drory mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 4486*b1661efaSShay Drory 448704de7ddaSRoi Dayan *__flow = flow; 448804de7ddaSRoi Dayan 448904de7ddaSRoi Dayan return 0; 449004de7ddaSRoi Dayan 4491*b1661efaSShay Drory peer_clean: 4492*b1661efaSShay Drory mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 4493*b1661efaSShay Drory clean_flow: 4494*b1661efaSShay Drory mlx5e_tc_del_fdb_flow(priv, flow); 449504de7ddaSRoi Dayan return err; 449604de7ddaSRoi Dayan } 449704de7ddaSRoi Dayan 4498a88780a9SRoi Dayan static int 4499a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4500f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4501226f2ca3SVlad Buslov unsigned long flow_flags, 4502d11afc26SOz Shlomo struct net_device *filter_dev, 4503a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4504a88780a9SRoi Dayan { 4505f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4506a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4507a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4508a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4509a88780a9SRoi Dayan int attr_size, err; 4510a88780a9SRoi Dayan 4511c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4512bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4513bf07aa73SPaul Blakey return -EOPNOTSUPP; 4514c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4515c7569097SAriel Levkovich return -EOPNOTSUPP; 4516c7569097SAriel Levkovich } 4517bf07aa73SPaul Blakey 4518226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4519a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4520a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4521a88780a9SRoi Dayan &parse_attr, &flow); 4522a88780a9SRoi Dayan if (err) 4523a88780a9SRoi Dayan goto out; 4524a88780a9SRoi Dayan 4525d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4526c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4527c7569097SAriel Levkovich 452854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 452954c177caSOz Shlomo f, filter_dev); 4530d11afc26SOz Shlomo if (err) 4531d11afc26SOz Shlomo goto err_free; 4532d11afc26SOz Shlomo 4533aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4534aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4535aedd133dSAriel Levkovich if (err) 4536aedd133dSAriel Levkovich goto err_free; 4537aedd133dSAriel Levkovich 4538c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4539a88780a9SRoi Dayan if (err) 4540a88780a9SRoi Dayan goto err_free; 4541a88780a9SRoi Dayan 4542c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4543a88780a9SRoi Dayan if (err) 4544a88780a9SRoi Dayan goto err_free; 4545a88780a9SRoi Dayan 4546226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4547a88780a9SRoi Dayan *__flow = flow; 4548a88780a9SRoi Dayan 4549a88780a9SRoi Dayan return 0; 4550a88780a9SRoi Dayan 4551a88780a9SRoi Dayan err_free: 45528914add2SVlad Buslov flow_flag_set(flow, FAILED); 45532c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 45545a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4555a88780a9SRoi Dayan out: 4556a88780a9SRoi Dayan return err; 4557a88780a9SRoi Dayan } 4558a88780a9SRoi Dayan 4559a88780a9SRoi Dayan static int 4560a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4561f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4562226f2ca3SVlad Buslov unsigned long flags, 4563d11afc26SOz Shlomo struct net_device *filter_dev, 4564a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4565a88780a9SRoi Dayan { 4566a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4567226f2ca3SVlad Buslov unsigned long flow_flags; 4568a88780a9SRoi Dayan int err; 4569a88780a9SRoi Dayan 4570a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4571a88780a9SRoi Dayan 4572bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4573bf07aa73SPaul Blakey return -EOPNOTSUPP; 4574bf07aa73SPaul Blakey 4575f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4576d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4577d11afc26SOz Shlomo filter_dev, flow); 4578a88780a9SRoi Dayan else 4579d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4580d11afc26SOz Shlomo filter_dev, flow); 4581a88780a9SRoi Dayan 4582a88780a9SRoi Dayan return err; 4583a88780a9SRoi Dayan } 4584a88780a9SRoi Dayan 4585553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4586553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4587553f9328SVu Pham { 4588553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 45892fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 45902fb15e72SVlad Buslov * function is called from NIC mode. 4591553f9328SVu Pham */ 45922fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4593553f9328SVu Pham } 4594553f9328SVu Pham 459571d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4596226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4597a88780a9SRoi Dayan { 4598a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4599d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4600553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4601a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4602a88780a9SRoi Dayan int err = 0; 4603a88780a9SRoi Dayan 46047dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4605794131c4SJianbo Liu return -EBUSY; 46067dc84de9SRoi Dayan 46077dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 46087dc84de9SRoi Dayan 4609c5d326b2SVlad Buslov rcu_read_lock(); 4610c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4611a88780a9SRoi Dayan if (flow) { 4612553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4613553f9328SVu Pham * just return 0. 4614553f9328SVu Pham */ 4615553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4616c1aea9e1SVlad Buslov goto rcu_unlock; 4617553f9328SVu Pham 4618a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4619a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4620a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4621a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4622a88780a9SRoi Dayan f->cookie); 46230e1c1a2fSVlad Buslov err = -EEXIST; 4624c1aea9e1SVlad Buslov goto rcu_unlock; 4625a88780a9SRoi Dayan } 4626c1aea9e1SVlad Buslov rcu_unlock: 4627c1aea9e1SVlad Buslov rcu_read_unlock(); 4628c1aea9e1SVlad Buslov if (flow) 4629c1aea9e1SVlad Buslov goto out; 4630a88780a9SRoi Dayan 46317a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4632d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4633a88780a9SRoi Dayan if (err) 4634a88780a9SRoi Dayan goto out; 4635a88780a9SRoi Dayan 4636553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4637553f9328SVu Pham * set the flow's owner dev. 4638553f9328SVu Pham */ 4639553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4640553f9328SVu Pham flow->orig_dev = dev; 4641553f9328SVu Pham 4642c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4643a88780a9SRoi Dayan if (err) 4644a88780a9SRoi Dayan goto err_free; 4645a88780a9SRoi Dayan 46467dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4647a88780a9SRoi Dayan return 0; 4648a88780a9SRoi Dayan 4649a88780a9SRoi Dayan err_free: 46505a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4651a88780a9SRoi Dayan out: 46527dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 46537dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4654e3a2b7edSAmir Vadai return err; 4655e3a2b7edSAmir Vadai } 4656e3a2b7edSAmir Vadai 46578f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 46588f8ae895SOr Gerlitz { 4659226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4660226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 46618f8ae895SOr Gerlitz 4662226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4663226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 46648f8ae895SOr Gerlitz } 46658f8ae895SOr Gerlitz 466671d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4667226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4668e3a2b7edSAmir Vadai { 4669d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4670e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4671c5d326b2SVlad Buslov int err; 4672e3a2b7edSAmir Vadai 4673c5d326b2SVlad Buslov rcu_read_lock(); 4674ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4675c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4676c5d326b2SVlad Buslov err = -EINVAL; 4677c5d326b2SVlad Buslov goto errout; 4678c5d326b2SVlad Buslov } 4679e3a2b7edSAmir Vadai 4680c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4681c5d326b2SVlad Buslov * set. 4682c5d326b2SVlad Buslov */ 4683c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4684c5d326b2SVlad Buslov err = -EINVAL; 4685c5d326b2SVlad Buslov goto errout; 4686c5d326b2SVlad Buslov } 468705866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4688c5d326b2SVlad Buslov rcu_read_unlock(); 4689e3a2b7edSAmir Vadai 46907a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 46915a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4692e3a2b7edSAmir Vadai 46937dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4694e3a2b7edSAmir Vadai return 0; 4695c5d326b2SVlad Buslov 4696c5d326b2SVlad Buslov errout: 4697c5d326b2SVlad Buslov rcu_read_unlock(); 4698c5d326b2SVlad Buslov return err; 4699e3a2b7edSAmir Vadai } 4700e3a2b7edSAmir Vadai 47012b68d659SOz Shlomo int mlx5e_tc_fill_action_stats(struct mlx5e_priv *priv, 47022b68d659SOz Shlomo struct flow_offload_action *fl_act) 47032b68d659SOz Shlomo { 47042b68d659SOz Shlomo return mlx5e_tc_act_stats_fill_stats(get_act_stats_handle(priv), fl_act); 47052b68d659SOz Shlomo } 47062b68d659SOz Shlomo 470771d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4708226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4709aad7e08dSAmir Vadai { 471004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4711d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 471204de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4713aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4714aad7e08dSAmir Vadai struct mlx5_fc *counter; 4715316d5f72SRoi Dayan u64 lastuse = 0; 4716316d5f72SRoi Dayan u64 packets = 0; 4717316d5f72SRoi Dayan u64 bytes = 0; 47185a7e5bcbSVlad Buslov int err = 0; 4719aad7e08dSAmir Vadai 4720c5d326b2SVlad Buslov rcu_read_lock(); 4721c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 47225a7e5bcbSVlad Buslov tc_ht_params)); 4723c5d326b2SVlad Buslov rcu_read_unlock(); 47245a7e5bcbSVlad Buslov if (IS_ERR(flow)) 47255a7e5bcbSVlad Buslov return PTR_ERR(flow); 47265a7e5bcbSVlad Buslov 47275a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 47285a7e5bcbSVlad Buslov err = -EINVAL; 47295a7e5bcbSVlad Buslov goto errout; 47305a7e5bcbSVlad Buslov } 4731aad7e08dSAmir Vadai 473208fe94ecSPaul Blakey if (mlx5e_is_offloaded_flow(flow)) { 47332b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 47342b68d659SOz Shlomo f->use_act_stats = true; 47352b68d659SOz Shlomo } else { 4736b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4737aad7e08dSAmir Vadai if (!counter) 47385a7e5bcbSVlad Buslov goto errout; 4739aad7e08dSAmir Vadai 4740aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4741316d5f72SRoi Dayan } 47422b68d659SOz Shlomo } 4743aad7e08dSAmir Vadai 4744316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4745316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4746316d5f72SRoi Dayan */ 474704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 474804de7ddaSRoi Dayan if (!peer_esw) 474904de7ddaSRoi Dayan goto out; 475004de7ddaSRoi Dayan 4751953bb24dSMark Bloch if (flow_flag_test(flow, DUP)) { 4752953bb24dSMark Bloch struct mlx5e_tc_flow *peer_flow; 4753953bb24dSMark Bloch 4754953bb24dSMark Bloch list_for_each_entry(peer_flow, &flow->peer_flows, peer_flows) { 475504de7ddaSRoi Dayan u64 packets2; 475604de7ddaSRoi Dayan u64 lastuse2; 4757953bb24dSMark Bloch u64 bytes2; 475804de7ddaSRoi Dayan 4759953bb24dSMark Bloch if (!flow_flag_test(peer_flow, OFFLOADED)) 4760953bb24dSMark Bloch continue; 47612b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 47622b68d659SOz Shlomo f->use_act_stats = true; 4763953bb24dSMark Bloch break; 4764953bb24dSMark Bloch } 4765953bb24dSMark Bloch 4766953bb24dSMark Bloch counter = mlx5e_tc_get_counter(peer_flow); 4767316d5f72SRoi Dayan if (!counter) 4768316d5f72SRoi Dayan goto no_peer_counter; 4769953bb24dSMark Bloch mlx5_fc_query_cached(counter, &bytes2, &packets2, 4770953bb24dSMark Bloch &lastuse2); 477104de7ddaSRoi Dayan 477204de7ddaSRoi Dayan bytes += bytes2; 477304de7ddaSRoi Dayan packets += packets2; 477404de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 477504de7ddaSRoi Dayan } 47762b68d659SOz Shlomo } 477704de7ddaSRoi Dayan 4778316d5f72SRoi Dayan no_peer_counter: 477904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 478004de7ddaSRoi Dayan out: 47814b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 478293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 47837a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 47845a7e5bcbSVlad Buslov errout: 47855a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 47865a7e5bcbSVlad Buslov return err; 4787aad7e08dSAmir Vadai } 4788aad7e08dSAmir Vadai 47891fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4790fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4791fcb64c0fSEli Cohen { 4792fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4793fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 47941fe3e316SParav Pandit u32 rate_mbps = 0; 4795fcb64c0fSEli Cohen u16 vport_num; 4796fcb64c0fSEli Cohen int err; 4797fcb64c0fSEli Cohen 4798e401a184SEli Cohen vport_num = rpriv->rep->vport; 4799e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4800e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4801e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4802e401a184SEli Cohen return -EOPNOTSUPP; 4803e401a184SEli Cohen } 4804e401a184SEli Cohen 4805fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4806fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4807fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4808fcb64c0fSEli Cohen * mbit means million bits. 4809fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4810fcb64c0fSEli Cohen * 1 mbit/sec. 4811fcb64c0fSEli Cohen */ 48121fe3e316SParav Pandit if (rate) { 48131fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 48148b90d897SParav Pandit do_div(rate, 1000000); 48158b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 48161fe3e316SParav Pandit } 48171fe3e316SParav Pandit 48182d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4819fcb64c0fSEli Cohen if (err) 4820fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4821fcb64c0fSEli Cohen 4822fcb64c0fSEli Cohen return err; 4823fcb64c0fSEli Cohen } 4824fcb64c0fSEli Cohen 48253603f266SOz Shlomo static int 48263603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 4827d97b4b10SJianbo Liu const struct flow_action_entry *act, 4828d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 4829d97b4b10SJianbo Liu { 48303603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 48313603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 48323603f266SOz Shlomo "Offload not supported when conform action is not continue"); 48333603f266SOz Shlomo return -EOPNOTSUPP; 48343603f266SOz Shlomo } 48353603f266SOz Shlomo 4836d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 4837d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4838d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 4839d97b4b10SJianbo Liu return -EOPNOTSUPP; 4840d97b4b10SJianbo Liu } 4841d97b4b10SJianbo Liu 4842d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 4843d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 4844d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4845d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 4846d97b4b10SJianbo Liu return -EOPNOTSUPP; 4847d97b4b10SJianbo Liu } 4848d97b4b10SJianbo Liu 4849d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 4850d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 4851d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 4852d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 4853d97b4b10SJianbo Liu return -EOPNOTSUPP; 4854d97b4b10SJianbo Liu } 4855d97b4b10SJianbo Liu 4856d97b4b10SJianbo Liu return 0; 4857d97b4b10SJianbo Liu } 4858d97b4b10SJianbo Liu 4859fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4860fcb64c0fSEli Cohen struct flow_action *flow_action, 4861fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4862fcb64c0fSEli Cohen { 4863fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4864fcb64c0fSEli Cohen const struct flow_action_entry *act; 4865fcb64c0fSEli Cohen int err; 4866fcb64c0fSEli Cohen int i; 4867fcb64c0fSEli Cohen 4868fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4869fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4870fcb64c0fSEli Cohen return -EINVAL; 4871fcb64c0fSEli Cohen } 4872fcb64c0fSEli Cohen 4873fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4874fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4875fcb64c0fSEli Cohen return -EOPNOTSUPP; 4876fcb64c0fSEli Cohen } 4877fcb64c0fSEli Cohen 48780885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 48790885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4880319a1d19SJiri Pirko return -EOPNOTSUPP; 48810885ae1aSAbhiram R N } 4882319a1d19SJiri Pirko 4883fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4884fcb64c0fSEli Cohen switch (act->id) { 4885fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 48863603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 4887d97b4b10SJianbo Liu if (err) 4888d97b4b10SJianbo Liu return err; 4889d97b4b10SJianbo Liu 4890fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4891fcb64c0fSEli Cohen if (err) 4892fcb64c0fSEli Cohen return err; 4893fcb64c0fSEli Cohen 4894fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4895fcb64c0fSEli Cohen break; 4896fcb64c0fSEli Cohen default: 4897fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4898fcb64c0fSEli Cohen return -EOPNOTSUPP; 4899fcb64c0fSEli Cohen } 4900fcb64c0fSEli Cohen } 4901fcb64c0fSEli Cohen 4902fcb64c0fSEli Cohen return 0; 4903fcb64c0fSEli Cohen } 4904fcb64c0fSEli Cohen 4905fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4906fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4907fcb64c0fSEli Cohen { 4908fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4909fcb64c0fSEli Cohen 49107b83355fSEli Cohen if (ma->common.prio != 1) { 4911fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4912fcb64c0fSEli Cohen return -EINVAL; 4913fcb64c0fSEli Cohen } 4914fcb64c0fSEli Cohen 4915fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4916fcb64c0fSEli Cohen } 4917fcb64c0fSEli Cohen 4918fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4919fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4920fcb64c0fSEli Cohen { 4921fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4922fcb64c0fSEli Cohen 4923fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4924fcb64c0fSEli Cohen } 4925fcb64c0fSEli Cohen 4926fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4927fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4928fcb64c0fSEli Cohen { 4929fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4930fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4931fcb64c0fSEli Cohen u64 dbytes; 4932fcb64c0fSEli Cohen u64 dpkts; 4933fcb64c0fSEli Cohen 4934fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4935fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4936fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4937fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 49384b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 493993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4940fcb64c0fSEli Cohen } 4941fcb64c0fSEli Cohen 49424d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 49434d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 49444d8fcf21SAlaa Hleihel { 4945f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 49464d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4947db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4948db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 49494d8fcf21SAlaa Hleihel u16 peer_vhca_id; 49504d8fcf21SAlaa Hleihel int bkt; 49514d8fcf21SAlaa Hleihel 4952ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 49534d8fcf21SAlaa Hleihel return; 49544d8fcf21SAlaa Hleihel 49554d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 49564d8fcf21SAlaa Hleihel 4957f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 4958f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 4959db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4960db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4961f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 4962db76ca24SVlad Buslov 4963db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4964db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4965db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4966a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4967db76ca24SVlad Buslov 4968db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4969db76ca24SVlad Buslov } 49704d8fcf21SAlaa Hleihel } 49714d8fcf21SAlaa Hleihel 49724d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 49734d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 49744d8fcf21SAlaa Hleihel { 49754d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 49764d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 49774d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 49784d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 49794d8fcf21SAlaa Hleihel 49804d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 49814d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 49824d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 49834d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49844d8fcf21SAlaa Hleihel 49854d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 498665f586c2SLama Kayal priv = tc->priv; 49874d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 49884d8fcf21SAlaa Hleihel if (priv == peer_priv || 49894d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 49904d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49914d8fcf21SAlaa Hleihel 49924d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 49934d8fcf21SAlaa Hleihel 49944d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49954d8fcf21SAlaa Hleihel } 49964d8fcf21SAlaa Hleihel 499766cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 499866cb64e2SMaor Dickman { 4999f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5000f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 500166cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 500266cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 500366cb64e2SMaor Dickman int err = 0; 500466cb64e2SMaor Dickman 500566cb64e2SMaor Dickman ft_attr.max_fte = 1; 500666cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 500766cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 500866cb64e2SMaor Dickman ft_attr.prio = 0; 500966cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 501066cb64e2SMaor Dickman 501166cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 501266cb64e2SMaor Dickman if (IS_ERR(*ft)) { 501366cb64e2SMaor Dickman err = PTR_ERR(*ft); 501466cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 501566cb64e2SMaor Dickman } 501666cb64e2SMaor Dickman 501766cb64e2SMaor Dickman return err; 501866cb64e2SMaor Dickman } 501966cb64e2SMaor Dickman 502066cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 502166cb64e2SMaor Dickman { 5022f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5023f52f2faeSLama Kayal 5024f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 502566cb64e2SMaor Dickman } 502666cb64e2SMaor Dickman 5027655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5028e8f887acSAmir Vadai { 5029f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 50306a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5031c9355682SChris Mi struct mapping_ctx *chains_mapping; 50326a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 50332198b932SRoi Dayan u64 mapping_id; 50344d8fcf21SAlaa Hleihel int err; 5035e8f887acSAmir Vadai 5036b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5037b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5038b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 50395c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 504065f586c2SLama Kayal tc->priv = priv; 504111c9c548SOr Gerlitz 50424d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 50434d8fcf21SAlaa Hleihel if (err) 50444d8fcf21SAlaa Hleihel return err; 50454d8fcf21SAlaa Hleihel 50469ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 50475aa56105SVlad Buslov lockdep_init_map(&tc->ht.run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 50489ba33339SRoi Dayan 50492198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 50502198b932SRoi Dayan 50512198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 50522198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5053c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 50542198b932SRoi Dayan 5055c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5056c9355682SChris Mi err = PTR_ERR(chains_mapping); 5057c9355682SChris Mi goto err_mapping; 5058c9355682SChris Mi } 5059c9355682SChris Mi tc->mapping = chains_mapping; 5060c9355682SChris Mi 506166cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 506266cb64e2SMaor Dickman if (err) 506366cb64e2SMaor Dickman goto err_chains; 506466cb64e2SMaor Dickman 5065c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5066c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5067c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 50686a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 50696a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5070f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5071c9355682SChris Mi attr.mapping = chains_mapping; 50728e80e564SPaul Blakey attr.fs_base_prio = MLX5E_TC_PRIO; 50736a064674SAriel Levkovich 50746a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 50756a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 50766a064674SAriel Levkovich err = PTR_ERR(tc->chains); 507766cb64e2SMaor Dickman goto err_miss; 50786a064674SAriel Levkovich } 50796a064674SAriel Levkovich 50808e80e564SPaul Blakey mlx5_chains_print_info(tc->chains); 50818e80e564SPaul Blakey 5082f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 508365f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5084f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5085aedd133dSAriel Levkovich 50864d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5087d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5088d48834f9SJiri Pirko &tc->netdevice_nb, 5089d48834f9SJiri Pirko &tc->netdevice_nn); 5090d48834f9SJiri Pirko if (err) { 50914d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 50924d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 50936a064674SAriel Levkovich goto err_reg; 50944d8fcf21SAlaa Hleihel } 50954d8fcf21SAlaa Hleihel 50960e414518SGal Pressman mlx5e_tc_debugfs_init(tc, mlx5e_fs_get_debugfs_root(priv->fs)); 50970e414518SGal Pressman 5098d13674b1SOz Shlomo tc->action_stats_handle = mlx5e_tc_act_stats_create(); 50991166add4SOz Shlomo if (IS_ERR(tc->action_stats_handle)) { 51001166add4SOz Shlomo err = PTR_ERR(tc->action_stats_handle); 5101d13674b1SOz Shlomo goto err_act_stats; 51021166add4SOz Shlomo } 5103d13674b1SOz Shlomo 51046a064674SAriel Levkovich return 0; 51056a064674SAriel Levkovich 5106d13674b1SOz Shlomo err_act_stats: 5107d13674b1SOz Shlomo unregister_netdevice_notifier_dev_net(priv->netdev, 5108d13674b1SOz Shlomo &tc->netdevice_nb, 5109d13674b1SOz Shlomo &tc->netdevice_nn); 51106a064674SAriel Levkovich err_reg: 5111aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5112f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 51136a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 511466cb64e2SMaor Dickman err_miss: 511566cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 51166a064674SAriel Levkovich err_chains: 5117c9355682SChris Mi mapping_destroy(chains_mapping); 5118c9355682SChris Mi err_mapping: 51196a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 51204d8fcf21SAlaa Hleihel return err; 5121e8f887acSAmir Vadai } 5122e8f887acSAmir Vadai 5123e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5124e8f887acSAmir Vadai { 5125e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5126655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5127e8f887acSAmir Vadai 5128961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5129e8f887acSAmir Vadai kfree(flow); 5130e8f887acSAmir Vadai } 5131e8f887acSAmir Vadai 5132655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5133e8f887acSAmir Vadai { 5134f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5135e8f887acSAmir Vadai 51360e414518SGal Pressman debugfs_remove_recursive(tc->dfs_root); 51370e414518SGal Pressman 51384d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5139d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5140d48834f9SJiri Pirko &tc->netdevice_nb, 5141d48834f9SJiri Pirko &tc->netdevice_nn); 51424d8fcf21SAlaa Hleihel 5143b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5144b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5145b32accdaSVlad Buslov 51466a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5147e8f887acSAmir Vadai 5148acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 51496a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5150acff797cSMaor Gottlieb tc->t = NULL; 5151e8f887acSAmir Vadai } 5152b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 51536a064674SAriel Levkovich 5154aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5155f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5156c9355682SChris Mi mapping_destroy(tc->mapping); 51576a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 515866cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5159d13674b1SOz Shlomo mlx5e_tc_act_stats_free(tc->action_stats_handle); 5160e8f887acSAmir Vadai } 5161655dc3d2SOr Gerlitz 5162d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5163d1a3138fSPaul Blakey { 5164d1a3138fSPaul Blakey int err; 5165d1a3138fSPaul Blakey 5166d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5167d1a3138fSPaul Blakey if (err) 5168d1a3138fSPaul Blakey return err; 5169d1a3138fSPaul Blakey 5170d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 51715aa56105SVlad Buslov lockdep_init_map(&tc_ht->run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 5172d1a3138fSPaul Blakey 5173d1a3138fSPaul Blakey return 0; 5174d1a3138fSPaul Blakey } 5175d1a3138fSPaul Blakey 5176d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5177d1a3138fSPaul Blakey { 5178d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5179d1a3138fSPaul Blakey } 5180d1a3138fSPaul Blakey 5181d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5182655dc3d2SOr Gerlitz { 5183d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5184aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 51850a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5186aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5187aedd133dSAriel Levkovich struct mlx5e_priv *priv; 51882198b932SRoi Dayan u64 mapping_id; 5189aedd133dSAriel Levkovich int err = 0; 51900a7fcb78SPaul Blakey 5191aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5192aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5193aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 51940a7fcb78SPaul Blakey 5195f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5196f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5197aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5198aedd133dSAriel Levkovich esw_chains(esw), 5199aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5200f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5201f0da4daaSChris Mi uplink_priv->post_act); 52024c3844d9SPaul Blakey 52034f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 52044f4edcc2SAriel Levkovich 52052741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 52062a9ab10aSChris Mi 52072198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 52082198b932SRoi Dayan 52092198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 52102198b932SRoi Dayan sizeof(struct tunnel_match_key), 52110a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 52122198b932SRoi Dayan 52130a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52140a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52150a7fcb78SPaul Blakey goto err_tun_mapping; 52160a7fcb78SPaul Blakey } 52170a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 52180a7fcb78SPaul Blakey 52193222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 52203222efd4SVlad Buslov * and bridge ingress push mark. 52213222efd4SVlad Buslov */ 52222198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 52233222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 52240a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52250a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52260a7fcb78SPaul Blakey goto err_enc_opts_mapping; 52270a7fcb78SPaul Blakey } 52280a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 52290a7fcb78SPaul Blakey 52308914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 52312b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 52322b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 52338914add2SVlad Buslov goto err_register_fib_notifier; 52342b6c3c1eSWei Yongjun } 52358914add2SVlad Buslov 5236d13674b1SOz Shlomo uplink_priv->action_stats_handle = mlx5e_tc_act_stats_create(); 52371166add4SOz Shlomo if (IS_ERR(uplink_priv->action_stats_handle)) { 52381166add4SOz Shlomo err = PTR_ERR(uplink_priv->action_stats_handle); 5239d13674b1SOz Shlomo goto err_action_counter; 52401166add4SOz Shlomo } 5241d13674b1SOz Shlomo 52422be5bd42SShay Drory mlx5_esw_offloads_devcom_init(esw); 52432be5bd42SShay Drory 52442b6c3c1eSWei Yongjun return 0; 52450a7fcb78SPaul Blakey 5246d13674b1SOz Shlomo err_action_counter: 5247d13674b1SOz Shlomo mlx5e_tc_tun_cleanup(uplink_priv->encap); 52488914add2SVlad Buslov err_register_fib_notifier: 52490a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 52500a7fcb78SPaul Blakey err_enc_opts_mapping: 52510a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 52520a7fcb78SPaul Blakey err_tun_mapping: 52530027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 52544f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5255aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 52560a7fcb78SPaul Blakey netdev_warn(priv->netdev, 52570a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5258f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 52590a7fcb78SPaul Blakey return err; 5260655dc3d2SOr Gerlitz } 5261655dc3d2SOr Gerlitz 5262d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5263655dc3d2SOr Gerlitz { 5264c9668f0bSPaul Blakey struct mlx5e_rep_priv *rpriv; 5265c9668f0bSPaul Blakey struct mlx5_eswitch *esw; 5266c9668f0bSPaul Blakey struct mlx5e_priv *priv; 5267c9668f0bSPaul Blakey 5268c9668f0bSPaul Blakey rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5269c9668f0bSPaul Blakey priv = netdev_priv(rpriv->netdev); 5270c9668f0bSPaul Blakey esw = priv->mdev->priv.eswitch; 5271c9668f0bSPaul Blakey 52722be5bd42SShay Drory mlx5_esw_offloads_devcom_cleanup(esw); 5273c9668f0bSPaul Blakey 52748914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 52758914add2SVlad Buslov 52760a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 52770a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 52784c3844d9SPaul Blakey 52790027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 52804f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5281aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 528274e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5283f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5284d13674b1SOz Shlomo mlx5e_tc_act_stats_free(uplink_priv->action_stats_handle); 5285655dc3d2SOr Gerlitz } 528601252a27SOr Gerlitz 5287226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 528801252a27SOr Gerlitz { 5289d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 529001252a27SOr Gerlitz 529101252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 529201252a27SOr Gerlitz } 529304de7ddaSRoi Dayan 529404de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 529504de7ddaSRoi Dayan { 529604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 529704de7ddaSRoi Dayan 529804de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 5299*b1661efaSShay Drory mlx5e_tc_del_fdb_peer_flow(flow); 530004de7ddaSRoi Dayan } 5301b4a23329SRoi Dayan 5302b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5303b4a23329SRoi Dayan { 5304b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5305b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5306b4a23329SRoi Dayan reoffload_flows_work); 5307b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5308b4a23329SRoi Dayan 5309ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5310b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5311b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5312ad86755bSVlad Buslov unready_flow_del(flow); 5313b4a23329SRoi Dayan } 5314ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5315b4a23329SRoi Dayan } 5316e2394a61SVlad Buslov 5317e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5318e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5319e2394a61SVlad Buslov unsigned long flags) 5320e2394a61SVlad Buslov { 5321e2394a61SVlad Buslov switch (cls_flower->command) { 5322e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5323e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5324e2394a61SVlad Buslov flags); 5325e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5326e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5327e2394a61SVlad Buslov flags); 5328e2394a61SVlad Buslov case FLOW_CLS_STATS: 5329e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5330e2394a61SVlad Buslov flags); 5331e2394a61SVlad Buslov default: 5332e2394a61SVlad Buslov return -EOPNOTSUPP; 5333e2394a61SVlad Buslov } 5334e2394a61SVlad Buslov } 5335e2394a61SVlad Buslov 5336e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5337e2394a61SVlad Buslov void *cb_priv) 5338e2394a61SVlad Buslov { 5339ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5340e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5341e2394a61SVlad Buslov 53422ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 53432ff349c5SRoi Dayan return -EOPNOTSUPP; 53442ff349c5SRoi Dayan 5345ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5346ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5347ec9457a6SRoi Dayan else 5348ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5349ec9457a6SRoi Dayan 5350e2394a61SVlad Buslov switch (type) { 5351e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5352e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5353e2394a61SVlad Buslov default: 5354e2394a61SVlad Buslov return -EOPNOTSUPP; 5355e2394a61SVlad Buslov } 5356e2394a61SVlad Buslov } 5357c7569097SAriel Levkovich 535893a1ab2cSPaul Blakey static bool mlx5e_tc_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, 535993a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 536093a1ab2cSPaul Blakey u32 tunnel_id) 5361c7569097SAriel Levkovich { 536293a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 536393a1ab2cSPaul Blakey struct tunnel_match_enc_opts enc_opts = {}; 536493a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 536593a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 536693a1ab2cSPaul Blakey struct metadata_dst *tun_dst; 536793a1ab2cSPaul Blakey struct tunnel_match_key key; 536893a1ab2cSPaul Blakey u32 tun_id, enc_opts_id; 536993a1ab2cSPaul Blakey struct net_device *dev; 5370c7569097SAriel Levkovich int err; 5371c7569097SAriel Levkovich 537293a1ab2cSPaul Blakey enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; 537393a1ab2cSPaul Blakey tun_id = tunnel_id >> ENC_OPTS_BITS; 5374c7569097SAriel Levkovich 537593a1ab2cSPaul Blakey if (!tun_id) 537693a1ab2cSPaul Blakey return true; 537793a1ab2cSPaul Blakey 537893a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 537993a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 538093a1ab2cSPaul Blakey 538193a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); 5382c7569097SAriel Levkovich if (err) { 5383c7569097SAriel Levkovich netdev_dbg(priv->netdev, 538493a1ab2cSPaul Blakey "Couldn't find tunnel for tun_id: %d, err: %d\n", 538593a1ab2cSPaul Blakey tun_id, err); 5386c7569097SAriel Levkovich return false; 5387c7569097SAriel Levkovich } 5388c7569097SAriel Levkovich 538993a1ab2cSPaul Blakey if (enc_opts_id) { 539093a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, 539193a1ab2cSPaul Blakey enc_opts_id, &enc_opts); 539293a1ab2cSPaul Blakey if (err) { 539393a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 539493a1ab2cSPaul Blakey "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", 539593a1ab2cSPaul Blakey enc_opts_id, err); 5396c7569097SAriel Levkovich return false; 539793a1ab2cSPaul Blakey } 539893a1ab2cSPaul Blakey } 539993a1ab2cSPaul Blakey 540093a1ab2cSPaul Blakey switch (key.enc_control.addr_type) { 540193a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 540293a1ab2cSPaul Blakey tun_dst = __ip_tun_set_dst(key.enc_ipv4.src, key.enc_ipv4.dst, 540393a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 540493a1ab2cSPaul Blakey key.enc_tp.dst, TUNNEL_KEY, 540593a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 540693a1ab2cSPaul Blakey enc_opts.key.len); 540793a1ab2cSPaul Blakey break; 540893a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 540993a1ab2cSPaul Blakey tun_dst = __ipv6_tun_set_dst(&key.enc_ipv6.src, &key.enc_ipv6.dst, 541093a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 541193a1ab2cSPaul Blakey key.enc_tp.dst, 0, TUNNEL_KEY, 541293a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 541393a1ab2cSPaul Blakey enc_opts.key.len); 541493a1ab2cSPaul Blakey break; 541593a1ab2cSPaul Blakey default: 541693a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 541793a1ab2cSPaul Blakey "Couldn't restore tunnel, unsupported addr_type: %d\n", 541893a1ab2cSPaul Blakey key.enc_control.addr_type); 541993a1ab2cSPaul Blakey return false; 542093a1ab2cSPaul Blakey } 542193a1ab2cSPaul Blakey 542293a1ab2cSPaul Blakey if (!tun_dst) { 542393a1ab2cSPaul Blakey netdev_dbg(priv->netdev, "Couldn't restore tunnel, no tun_dst\n"); 542493a1ab2cSPaul Blakey return false; 542593a1ab2cSPaul Blakey } 542693a1ab2cSPaul Blakey 542793a1ab2cSPaul Blakey tun_dst->u.tun_info.key.tp_src = key.enc_tp.src; 542893a1ab2cSPaul Blakey 542993a1ab2cSPaul Blakey if (enc_opts.key.len) 543093a1ab2cSPaul Blakey ip_tunnel_info_opts_set(&tun_dst->u.tun_info, 543193a1ab2cSPaul Blakey enc_opts.key.data, 543293a1ab2cSPaul Blakey enc_opts.key.len, 543393a1ab2cSPaul Blakey enc_opts.key.dst_opt_type); 543493a1ab2cSPaul Blakey 543593a1ab2cSPaul Blakey skb_dst_set(skb, (struct dst_entry *)tun_dst); 543693a1ab2cSPaul Blakey dev = dev_get_by_index(&init_net, key.filter_ifindex); 543793a1ab2cSPaul Blakey if (!dev) { 543893a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 543993a1ab2cSPaul Blakey "Couldn't find tunnel device with ifindex: %d\n", 544093a1ab2cSPaul Blakey key.filter_ifindex); 544193a1ab2cSPaul Blakey return false; 544293a1ab2cSPaul Blakey } 544393a1ab2cSPaul Blakey 544493a1ab2cSPaul Blakey /* Set fwd_dev so we do dev_put() after datapath */ 544593a1ab2cSPaul Blakey tc_priv->fwd_dev = dev; 544693a1ab2cSPaul Blakey 544793a1ab2cSPaul Blakey skb->dev = dev; 544893a1ab2cSPaul Blakey 544993a1ab2cSPaul Blakey return true; 545093a1ab2cSPaul Blakey } 545193a1ab2cSPaul Blakey 545267027828SPaul Blakey static bool mlx5e_tc_restore_skb_tc_meta(struct sk_buff *skb, struct mlx5_tc_ct_priv *ct_priv, 545367027828SPaul Blakey struct mlx5_mapped_obj *mapped_obj, u32 zone_restore_id, 545493a1ab2cSPaul Blakey u32 tunnel_id, struct mlx5e_tc_update_priv *tc_priv) 545593a1ab2cSPaul Blakey { 545693a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 545793a1ab2cSPaul Blakey struct tc_skb_ext *tc_skb_ext; 545867027828SPaul Blakey u64 act_miss_cookie; 545967027828SPaul Blakey u32 chain; 546093a1ab2cSPaul Blakey 546167027828SPaul Blakey chain = mapped_obj->type == MLX5_MAPPED_OBJ_CHAIN ? mapped_obj->chain : 0; 546267027828SPaul Blakey act_miss_cookie = mapped_obj->type == MLX5_MAPPED_OBJ_ACT_MISS ? 546367027828SPaul Blakey mapped_obj->act_miss_cookie : 0; 546467027828SPaul Blakey if (chain || act_miss_cookie) { 546593a1ab2cSPaul Blakey if (!mlx5e_tc_ct_restore_flow(ct_priv, skb, zone_restore_id)) 546693a1ab2cSPaul Blakey return false; 546793a1ab2cSPaul Blakey 546893a1ab2cSPaul Blakey tc_skb_ext = tc_skb_ext_alloc(skb); 546993a1ab2cSPaul Blakey if (!tc_skb_ext) { 547093a1ab2cSPaul Blakey WARN_ON(1); 547193a1ab2cSPaul Blakey return false; 547293a1ab2cSPaul Blakey } 5473c7569097SAriel Levkovich 547467027828SPaul Blakey if (act_miss_cookie) { 547567027828SPaul Blakey tc_skb_ext->act_miss_cookie = act_miss_cookie; 547667027828SPaul Blakey tc_skb_ext->act_miss = 1; 547767027828SPaul Blakey } else { 5478c7569097SAriel Levkovich tc_skb_ext->chain = chain; 547993a1ab2cSPaul Blakey } 548067027828SPaul Blakey } 5481aedd133dSAriel Levkovich 548293a1ab2cSPaul Blakey if (tc_priv) 548393a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 5484aedd133dSAriel Levkovich 548593a1ab2cSPaul Blakey return true; 548693a1ab2cSPaul Blakey } 548793a1ab2cSPaul Blakey 548893a1ab2cSPaul Blakey static void mlx5e_tc_restore_skb_sample(struct mlx5e_priv *priv, struct sk_buff *skb, 548993a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 549093a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 549193a1ab2cSPaul Blakey { 549293a1ab2cSPaul Blakey if (!mlx5e_tc_restore_tunnel(priv, skb, tc_priv, mapped_obj->sample.tunnel_id)) { 549393a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 549493a1ab2cSPaul Blakey "Failed to restore tunnel info for sampled packet\n"); 549593a1ab2cSPaul Blakey return; 549693a1ab2cSPaul Blakey } 549793a1ab2cSPaul Blakey mlx5e_tc_sample_skb(skb, mapped_obj); 549893a1ab2cSPaul Blakey } 549993a1ab2cSPaul Blakey 550093a1ab2cSPaul Blakey static bool mlx5e_tc_restore_skb_int_port(struct mlx5e_priv *priv, struct sk_buff *skb, 550193a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 550293a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 550393a1ab2cSPaul Blakey u32 tunnel_id) 550493a1ab2cSPaul Blakey { 550593a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 550693a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 550793a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 550893a1ab2cSPaul Blakey bool forward_tx = false; 550993a1ab2cSPaul Blakey 551093a1ab2cSPaul Blakey /* Tunnel restore takes precedence over int port restore */ 551193a1ab2cSPaul Blakey if (tunnel_id) 551293a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 551393a1ab2cSPaul Blakey 551493a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 551593a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 551693a1ab2cSPaul Blakey 551793a1ab2cSPaul Blakey if (mlx5e_tc_int_port_dev_fwd(uplink_priv->int_port_priv, skb, 551893a1ab2cSPaul Blakey mapped_obj->int_port_metadata, &forward_tx)) { 551993a1ab2cSPaul Blakey /* Set fwd_dev for future dev_put */ 552093a1ab2cSPaul Blakey tc_priv->fwd_dev = skb->dev; 552193a1ab2cSPaul Blakey tc_priv->forward_tx = forward_tx; 552293a1ab2cSPaul Blakey 552393a1ab2cSPaul Blakey return true; 552493a1ab2cSPaul Blakey } 552593a1ab2cSPaul Blakey 5526aedd133dSAriel Levkovich return false; 552793a1ab2cSPaul Blakey } 552893a1ab2cSPaul Blakey 552993a1ab2cSPaul Blakey bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb, 553093a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx, u32 mapped_obj_id, 553193a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv, 553293a1ab2cSPaul Blakey u32 zone_restore_id, u32 tunnel_id, 553393a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 553493a1ab2cSPaul Blakey { 553593a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 553693a1ab2cSPaul Blakey struct mlx5_mapped_obj mapped_obj; 553793a1ab2cSPaul Blakey int err; 553893a1ab2cSPaul Blakey 553993a1ab2cSPaul Blakey err = mapping_find(mapping_ctx, mapped_obj_id, &mapped_obj); 554093a1ab2cSPaul Blakey if (err) { 554193a1ab2cSPaul Blakey netdev_dbg(skb->dev, 554293a1ab2cSPaul Blakey "Couldn't find mapped object for mapped_obj_id: %d, err: %d\n", 554393a1ab2cSPaul Blakey mapped_obj_id, err); 554493a1ab2cSPaul Blakey return false; 554593a1ab2cSPaul Blakey } 554693a1ab2cSPaul Blakey 554793a1ab2cSPaul Blakey switch (mapped_obj.type) { 554893a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_CHAIN: 554967027828SPaul Blakey case MLX5_MAPPED_OBJ_ACT_MISS: 555067027828SPaul Blakey return mlx5e_tc_restore_skb_tc_meta(skb, ct_priv, &mapped_obj, zone_restore_id, 555193a1ab2cSPaul Blakey tunnel_id, tc_priv); 555293a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_SAMPLE: 555393a1ab2cSPaul Blakey mlx5e_tc_restore_skb_sample(priv, skb, &mapped_obj, tc_priv); 555493a1ab2cSPaul Blakey tc_priv->skb_done = true; 555593a1ab2cSPaul Blakey return true; 555693a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_INT_PORT_METADATA: 555793a1ab2cSPaul Blakey return mlx5e_tc_restore_skb_int_port(priv, skb, &mapped_obj, tc_priv, tunnel_id); 555893a1ab2cSPaul Blakey default: 5559a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5560a91d98a0SChris Mi return false; 5561c7569097SAriel Levkovich } 5562c7569097SAriel Levkovich 556393a1ab2cSPaul Blakey return false; 556493a1ab2cSPaul Blakey } 556593a1ab2cSPaul Blakey 556693a1ab2cSPaul Blakey bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb) 556793a1ab2cSPaul Blakey { 556893a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 556993a1ab2cSPaul Blakey u32 mapped_obj_id, reg_b, zone_restore_id; 557093a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv; 557193a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx; 557293a1ab2cSPaul Blakey struct mlx5e_tc_table *tc; 557393a1ab2cSPaul Blakey 557493a1ab2cSPaul Blakey reg_b = be32_to_cpu(cqe->ft_metadata); 557593a1ab2cSPaul Blakey tc = mlx5e_fs_get_tc(priv->fs); 557693a1ab2cSPaul Blakey mapped_obj_id = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 557793a1ab2cSPaul Blakey zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 557893a1ab2cSPaul Blakey ESW_ZONE_ID_MASK; 557993a1ab2cSPaul Blakey ct_priv = tc->ct; 558093a1ab2cSPaul Blakey mapping_ctx = tc->mapping; 558193a1ab2cSPaul Blakey 558293a1ab2cSPaul Blakey return mlx5e_tc_update_skb(cqe, skb, mapping_ctx, mapped_obj_id, ct_priv, zone_restore_id, 558393a1ab2cSPaul Blakey 0, NULL); 5584c7569097SAriel Levkovich } 558567027828SPaul Blakey 5586dfa1e46dSPaul Blakey static struct mapping_ctx * 5587dfa1e46dSPaul Blakey mlx5e_get_priv_obj_mapping(struct mlx5e_priv *priv) 5588dfa1e46dSPaul Blakey { 5589dfa1e46dSPaul Blakey struct mlx5e_tc_table *tc; 5590dfa1e46dSPaul Blakey struct mlx5_eswitch *esw; 5591dfa1e46dSPaul Blakey struct mapping_ctx *ctx; 5592dfa1e46dSPaul Blakey 5593dfa1e46dSPaul Blakey if (is_mdev_switchdev_mode(priv->mdev)) { 5594dfa1e46dSPaul Blakey esw = priv->mdev->priv.eswitch; 5595dfa1e46dSPaul Blakey ctx = esw->offloads.reg_c0_obj_pool; 5596dfa1e46dSPaul Blakey } else { 5597dfa1e46dSPaul Blakey tc = mlx5e_fs_get_tc(priv->fs); 5598dfa1e46dSPaul Blakey ctx = tc->mapping; 5599dfa1e46dSPaul Blakey } 5600dfa1e46dSPaul Blakey 5601dfa1e46dSPaul Blakey return ctx; 5602dfa1e46dSPaul Blakey } 5603dfa1e46dSPaul Blakey 560467027828SPaul Blakey int mlx5e_tc_action_miss_mapping_get(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 560567027828SPaul Blakey u64 act_miss_cookie, u32 *act_miss_mapping) 560667027828SPaul Blakey { 560767027828SPaul Blakey struct mlx5_mapped_obj mapped_obj = {}; 5608dfa1e46dSPaul Blakey struct mlx5_eswitch *esw; 560967027828SPaul Blakey struct mapping_ctx *ctx; 561067027828SPaul Blakey int err; 561167027828SPaul Blakey 5612dfa1e46dSPaul Blakey ctx = mlx5e_get_priv_obj_mapping(priv); 561367027828SPaul Blakey mapped_obj.type = MLX5_MAPPED_OBJ_ACT_MISS; 561467027828SPaul Blakey mapped_obj.act_miss_cookie = act_miss_cookie; 561567027828SPaul Blakey err = mapping_add(ctx, &mapped_obj, act_miss_mapping); 561667027828SPaul Blakey if (err) 561767027828SPaul Blakey return err; 561867027828SPaul Blakey 5619dfa1e46dSPaul Blakey if (!is_mdev_switchdev_mode(priv->mdev)) 5620dfa1e46dSPaul Blakey return 0; 5621dfa1e46dSPaul Blakey 5622dfa1e46dSPaul Blakey esw = priv->mdev->priv.eswitch; 562367027828SPaul Blakey attr->act_id_restore_rule = esw_add_restore_rule(esw, *act_miss_mapping); 562467027828SPaul Blakey if (IS_ERR(attr->act_id_restore_rule)) 562567027828SPaul Blakey goto err_rule; 562667027828SPaul Blakey 562767027828SPaul Blakey return 0; 562867027828SPaul Blakey 562967027828SPaul Blakey err_rule: 563067027828SPaul Blakey mapping_remove(ctx, *act_miss_mapping); 563167027828SPaul Blakey return err; 563267027828SPaul Blakey } 563367027828SPaul Blakey 563467027828SPaul Blakey void mlx5e_tc_action_miss_mapping_put(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 563567027828SPaul Blakey u32 act_miss_mapping) 563667027828SPaul Blakey { 5637dfa1e46dSPaul Blakey struct mapping_ctx *ctx = mlx5e_get_priv_obj_mapping(priv); 563867027828SPaul Blakey 5639dfa1e46dSPaul Blakey if (is_mdev_switchdev_mode(priv->mdev)) 564067027828SPaul Blakey mlx5_del_flow_rules(attr->act_id_restore_rule); 564167027828SPaul Blakey mapping_remove(ctx, act_miss_mapping); 564267027828SPaul Blakey } 5643