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); 180f86488cbSOz Shlomo static void mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr); 1810a7fcb78SPaul Blakey 1820a7fcb78SPaul Blakey void 1830a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1840a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 185ed2fe7baSPaul Blakey u32 val, 1860a7fcb78SPaul Blakey u32 mask) 1870a7fcb78SPaul Blakey { 188ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1890a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 190ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1910a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 192ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 193ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 194ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1950a7fcb78SPaul Blakey 1960a7fcb78SPaul Blakey fmask = headers_c + soffset; 1970a7fcb78SPaul Blakey fval = headers_v + soffset; 1980a7fcb78SPaul Blakey 199ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 200ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2010a7fcb78SPaul Blakey 202ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 203ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 204ed2fe7baSPaul Blakey 205ed2fe7baSPaul Blakey //move to correct offset 206ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 207ed2fe7baSPaul Blakey mask <<= moffset; 208ed2fe7baSPaul Blakey val <<= moffset; 209ed2fe7baSPaul Blakey max_mask <<= moffset; 210ed2fe7baSPaul Blakey 211ed2fe7baSPaul Blakey //zero val and mask 212ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 213ed2fe7baSPaul Blakey curr_val &= ~max_mask; 214ed2fe7baSPaul Blakey 215ed2fe7baSPaul Blakey //add current to mask 216ed2fe7baSPaul Blakey curr_mask |= mask; 217ed2fe7baSPaul Blakey curr_val |= val; 218ed2fe7baSPaul Blakey 219ed2fe7baSPaul Blakey //back to be32 and write 220ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 221ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 222ed2fe7baSPaul Blakey 223ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 224ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 2250a7fcb78SPaul Blakey 2260a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2270a7fcb78SPaul Blakey } 2280a7fcb78SPaul Blakey 2297e36feebSPaul Blakey void 2307e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2317e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 232ed2fe7baSPaul Blakey u32 *val, 2337e36feebSPaul Blakey u32 *mask) 2347e36feebSPaul Blakey { 235ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 2367e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 237ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2387e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 239ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 240ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 241ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 2427e36feebSPaul Blakey 2437e36feebSPaul Blakey fmask = headers_c + soffset; 2447e36feebSPaul Blakey fval = headers_v + soffset; 2457e36feebSPaul Blakey 246ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 247ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 2487e36feebSPaul Blakey 249ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 250ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 251ed2fe7baSPaul Blakey 252ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 253ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 2547e36feebSPaul Blakey } 2557e36feebSPaul Blakey 2560a7fcb78SPaul Blakey int 257c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2580a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 259aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2600a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2610a7fcb78SPaul Blakey u32 data) 2620a7fcb78SPaul Blakey { 2630a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2640a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2650a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2660a7fcb78SPaul Blakey char *modact; 2670a7fcb78SPaul Blakey int err; 2680a7fcb78SPaul Blakey 2692c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2702c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2712c0e5cf5SPaul Blakey return PTR_ERR(modact); 2720a7fcb78SPaul Blakey 2730a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 274ed2fe7baSPaul Blakey if (mlen == 32) 2750a7fcb78SPaul Blakey mlen = 0; 2760a7fcb78SPaul Blakey 2770a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2780a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 279ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 280ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2810a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 282c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2830a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2840a7fcb78SPaul Blakey 285c7b9038dSVlad Buslov return err; 2860a7fcb78SPaul Blakey } 2870a7fcb78SPaul Blakey 288d13674b1SOz Shlomo static struct mlx5e_tc_act_stats_handle * 289d13674b1SOz Shlomo get_act_stats_handle(struct mlx5e_priv *priv) 290d13674b1SOz Shlomo { 291d13674b1SOz Shlomo struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 292d13674b1SOz Shlomo struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 293d13674b1SOz Shlomo struct mlx5_rep_uplink_priv *uplink_priv; 294d13674b1SOz Shlomo struct mlx5e_rep_priv *uplink_rpriv; 295d13674b1SOz Shlomo 296d13674b1SOz Shlomo if (is_mdev_switchdev_mode(priv->mdev)) { 297d13674b1SOz Shlomo uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 298d13674b1SOz Shlomo uplink_priv = &uplink_rpriv->uplink_priv; 299d13674b1SOz Shlomo 300d13674b1SOz Shlomo return uplink_priv->action_stats_handle; 301d13674b1SOz Shlomo } 302d13674b1SOz Shlomo 303d13674b1SOz Shlomo return tc->action_stats_handle; 304d13674b1SOz Shlomo } 305d13674b1SOz Shlomo 30627484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 30727484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 30827484f71SAriel Levkovich { 30927484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31027484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 31127484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 31227484f71SAriel Levkovich 31327484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 31427484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 31527484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 31627484f71SAriel Levkovich 31727484f71SAriel Levkovich return uplink_priv->int_port_priv; 31827484f71SAriel Levkovich } 31927484f71SAriel Levkovich 32027484f71SAriel Levkovich return NULL; 32127484f71SAriel Levkovich } 32227484f71SAriel Levkovich 32374e6b2a8SJianbo Liu struct mlx5e_flow_meters * 32474e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 32574e6b2a8SJianbo Liu { 32674e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 32774e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 32874e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 32974e6b2a8SJianbo Liu struct mlx5e_priv *priv; 33074e6b2a8SJianbo Liu 33174e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 33274e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 33374e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 33474e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 33574e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 33674e6b2a8SJianbo Liu uplink_priv->flow_meters = 33774e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 33874e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 33974e6b2a8SJianbo Liu uplink_priv->post_act); 34074e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 34174e6b2a8SJianbo Liu return uplink_priv->flow_meters; 34274e6b2a8SJianbo Liu } 34374e6b2a8SJianbo Liu 34474e6b2a8SJianbo Liu return NULL; 34574e6b2a8SJianbo Liu } 34674e6b2a8SJianbo Liu 347aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 348aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 349aedd133dSAriel Levkovich { 350f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 351aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 352aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 353aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 354aedd133dSAriel Levkovich 355e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 356aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 357aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 358aedd133dSAriel Levkovich 359aedd133dSAriel Levkovich return uplink_priv->ct_priv; 360aedd133dSAriel Levkovich } 361aedd133dSAriel Levkovich 362f52f2faeSLama Kayal return tc->ct; 363aedd133dSAriel Levkovich } 364aedd133dSAriel Levkovich 3650027d70cSChris Mi static struct mlx5e_tc_psample * 366f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 367f94d6389SChris Mi { 368f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 369f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 370f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 371f94d6389SChris Mi 372f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 373f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 374f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 375f94d6389SChris Mi 3760027d70cSChris Mi return uplink_priv->tc_psample; 377f94d6389SChris Mi } 378f94d6389SChris Mi 379f94d6389SChris Mi return NULL; 380f94d6389SChris Mi } 381f94d6389SChris Mi 3828300f225SRoi Dayan static struct mlx5e_post_act * 3838300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3848300f225SRoi Dayan { 385f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3868300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3878300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3888300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3898300f225SRoi Dayan 3908300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3918300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3928300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3938300f225SRoi Dayan 3948300f225SRoi Dayan return uplink_priv->post_act; 3958300f225SRoi Dayan } 3968300f225SRoi Dayan 397f52f2faeSLama Kayal return tc->post_act; 3988300f225SRoi Dayan } 3998300f225SRoi Dayan 400aedd133dSAriel Levkovich struct mlx5_flow_handle * 401aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 402aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 403aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 404aedd133dSAriel Levkovich { 405aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 406aedd133dSAriel Levkovich 407e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 408aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 409aedd133dSAriel Levkovich 410aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 411aedd133dSAriel Levkovich } 412aedd133dSAriel Levkovich 413aedd133dSAriel Levkovich void 414aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 415aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 416aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 417aedd133dSAriel Levkovich { 418aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 419aedd133dSAriel Levkovich 420e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 421aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 422aedd133dSAriel Levkovich return; 423aedd133dSAriel Levkovich } 424aedd133dSAriel Levkovich 425aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 426aedd133dSAriel Levkovich } 427aedd133dSAriel Levkovich 428a8d52b02SJianbo Liu static bool 429a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 430a8d52b02SJianbo Liu { 4316fda078dSOz Shlomo return (((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 4326fda078dSOz Shlomo (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)) || 4336fda078dSOz Shlomo attr->flags & MLX5_ATTR_FLAG_MTU); 434a8d52b02SJianbo Liu } 435a8d52b02SJianbo Liu 436a8d52b02SJianbo Liu static int 437a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 438a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 439a8d52b02SJianbo Liu { 440e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 441e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 442e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 443a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 4446fda078dSOz Shlomo enum mlx5e_post_meter_type type; 445a8d52b02SJianbo Liu 446f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 447a8d52b02SJianbo Liu if (IS_ERR(meter)) { 448a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 449a8d52b02SJianbo Liu return PTR_ERR(meter); 450a8d52b02SJianbo Liu } 451a8d52b02SJianbo Liu 452e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 4536fda078dSOz Shlomo type = meter->params.mtu ? MLX5E_POST_METER_MTU : MLX5E_POST_METER_RATE; 4540d8c38d4SOz Shlomo post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, 4556fda078dSOz Shlomo type, 4560d8c38d4SOz Shlomo meter->act_counter, meter->drop_counter, 4570d8c38d4SOz Shlomo attr->branch_true, attr->branch_false); 458e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 459e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 460e5b1db27SRoi Dayan goto err_meter_init; 461e5b1db27SRoi Dayan } 462e5b1db27SRoi Dayan 463a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 464e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 465e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 466a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 467a8d52b02SJianbo Liu 468a8d52b02SJianbo Liu return 0; 469e5b1db27SRoi Dayan 470e5b1db27SRoi Dayan err_meter_init: 471e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 472e5b1db27SRoi Dayan return PTR_ERR(post_meter); 473e5b1db27SRoi Dayan } 474e5b1db27SRoi Dayan 475e5b1db27SRoi Dayan static void 4760d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) 477e5b1db27SRoi Dayan { 4780d8c38d4SOz Shlomo mlx5e_post_meter_cleanup(esw, attr->meter_attr.post_meter); 479e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 480a8d52b02SJianbo Liu } 481a8d52b02SJianbo Liu 48284ba8062SRoi Dayan struct mlx5_flow_handle * 48384ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 48484ba8062SRoi Dayan struct mlx5_flow_spec *spec, 48584ba8062SRoi Dayan struct mlx5_flow_attr *attr) 48684ba8062SRoi Dayan { 48784ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 488a8d52b02SJianbo Liu int err; 48984ba8062SRoi Dayan 49084ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 49184ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 49284ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 49384ba8062SRoi Dayan 494a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 49584ba8062SRoi Dayan spec, attr, 49684ba8062SRoi Dayan mod_hdr_acts); 49784ba8062SRoi Dayan } 49884ba8062SRoi Dayan 49984ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 50084ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 50184ba8062SRoi Dayan 50284ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 50373a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 50484ba8062SRoi Dayan 505a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 506a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 507a8d52b02SJianbo Liu if (err) 508a8d52b02SJianbo Liu return ERR_PTR(err); 509a8d52b02SJianbo Liu } 510a8d52b02SJianbo Liu 51184ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 51284ba8062SRoi Dayan } 51384ba8062SRoi Dayan 51484ba8062SRoi Dayan void 51584ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 516a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 51784ba8062SRoi Dayan struct mlx5_flow_attr *attr) 51884ba8062SRoi Dayan { 51984ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 52084ba8062SRoi Dayan 52184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 522a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 52384ba8062SRoi Dayan return; 52484ba8062SRoi Dayan } 52584ba8062SRoi Dayan 52684ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 52784ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 52884ba8062SRoi Dayan return; 52984ba8062SRoi Dayan } 53084ba8062SRoi Dayan 53184ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 53284ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 53384ba8062SRoi Dayan return; 53484ba8062SRoi Dayan } 53584ba8062SRoi Dayan 53684ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 537a8d52b02SJianbo Liu 538a8d52b02SJianbo Liu if (attr->meter_attr.meter) 5390d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(esw, attr); 54084ba8062SRoi Dayan } 54184ba8062SRoi Dayan 542c7b9038dSVlad Buslov int 543c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 544c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 545c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 546c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 547c7b9038dSVlad Buslov u32 data) 548c7b9038dSVlad Buslov { 549c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 550c7b9038dSVlad Buslov 551c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 552c7b9038dSVlad Buslov } 553c7b9038dSVlad Buslov 554c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 555c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 556c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 557c7b9038dSVlad Buslov int act_id, u32 data) 558c7b9038dSVlad Buslov { 559c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 560c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 561c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 562c7b9038dSVlad Buslov char *modact; 563c7b9038dSVlad Buslov 5642c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 565c7b9038dSVlad Buslov 566c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 567ed2fe7baSPaul Blakey if (mlen == 32) 568c7b9038dSVlad Buslov mlen = 0; 569c7b9038dSVlad Buslov 570c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 571c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 572ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 573ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 574c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 575c7b9038dSVlad Buslov } 576c7b9038dSVlad Buslov 57777ab67b7SOr Gerlitz struct mlx5e_hairpin { 57877ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 57977ab67b7SOr Gerlitz 58077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5813f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 58277ab67b7SOr Gerlitz u32 tdn; 583a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz int num_channels; 586*8a0594c0SGal Pressman u8 log_num_packets; 5873f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 588a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 589f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 59077ab67b7SOr Gerlitz }; 59177ab67b7SOr Gerlitz 5925c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5935c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5945c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 5955c65c564SOr Gerlitz 59673edca73SVlad Buslov /* protects flows list */ 59773edca73SVlad Buslov spinlock_t flows_lock; 5985c65c564SOr Gerlitz /* flows sharing the same hairpin */ 5995c65c564SOr Gerlitz struct list_head flows; 600db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 601db76ca24SVlad Buslov * function traversed them. 602db76ca24SVlad Buslov */ 603db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 6045c65c564SOr Gerlitz 605d8822868SOr Gerlitz u16 peer_vhca_id; 606106be53bSOr Gerlitz u8 prio; 6075c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 608e4f9abbdSVlad Buslov refcount_t refcnt; 609db76ca24SVlad Buslov struct completion res_ready; 6105c65c564SOr Gerlitz }; 6115c65c564SOr Gerlitz 6125a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 6135a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 6145a7e5bcbSVlad Buslov 6150d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 6165a7e5bcbSVlad Buslov { 6175a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 6185a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 6195a7e5bcbSVlad Buslov return flow; 6205a7e5bcbSVlad Buslov } 6215a7e5bcbSVlad Buslov 6220d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 6235a7e5bcbSVlad Buslov { 6245a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 6255a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 626c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 6275a7e5bcbSVlad Buslov } 6285a7e5bcbSVlad Buslov } 6295a7e5bcbSVlad Buslov 630aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 631226f2ca3SVlad Buslov { 632226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 633226f2ca3SVlad Buslov } 634226f2ca3SVlad Buslov 63567d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 63684179981SPaul Blakey { 63784179981SPaul Blakey return flow_flag_test(flow, FT); 63884179981SPaul Blakey } 63984179981SPaul Blakey 6400d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 641226f2ca3SVlad Buslov { 642226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 643226f2ca3SVlad Buslov } 644226f2ca3SVlad Buslov 645e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 646d2faae25SVlad Buslov { 647d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 648d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 649d2faae25SVlad Buslov } 650b2fdf3d0SPaul Blakey 6518facc02fSOz Shlomo static struct mlx5_core_dev * 6528facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 6538facc02fSOz Shlomo { 6548facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 6558facc02fSOz Shlomo } 6568facc02fSOz Shlomo 657b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 658b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 659b2fdf3d0SPaul Blakey { 660f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 661b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 662b2fdf3d0SPaul Blakey 663e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 664b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 665f52f2faeSLama Kayal &tc->mod_hdr; 666b2fdf3d0SPaul Blakey } 667b2fdf3d0SPaul Blakey 668ef78b8d5SRoi Dayan int mlx5e_tc_attach_mod_hdr(struct mlx5e_priv *priv, 66911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 67082b56480SRoi Dayan struct mlx5_flow_attr *attr) 67111c9c548SOr Gerlitz { 672b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 67311c9c548SOr Gerlitz 674b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 675e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 67682b56480SRoi Dayan &attr->parse_attr->mod_hdr_acts); 677b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 678b2fdf3d0SPaul Blakey return PTR_ERR(mh); 67911c9c548SOr Gerlitz 68082b56480SRoi Dayan WARN_ON(attr->modify_hdr); 68182b56480SRoi Dayan attr->modify_hdr = mlx5e_mod_hdr_get(mh); 68282b56480SRoi Dayan attr->mh = mh; 68311c9c548SOr Gerlitz 68411c9c548SOr Gerlitz return 0; 68511c9c548SOr Gerlitz } 68611c9c548SOr Gerlitz 687ef78b8d5SRoi Dayan void mlx5e_tc_detach_mod_hdr(struct mlx5e_priv *priv, 68882b56480SRoi Dayan struct mlx5e_tc_flow *flow, 68982b56480SRoi Dayan struct mlx5_flow_attr *attr) 69011c9c548SOr Gerlitz { 6915a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 69282b56480SRoi Dayan if (!attr->mh) 6935a7e5bcbSVlad Buslov return; 6945a7e5bcbSVlad Buslov 695b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 69682b56480SRoi Dayan attr->mh); 69782b56480SRoi Dayan attr->mh = NULL; 69811c9c548SOr Gerlitz } 69911c9c548SOr Gerlitz 70077ab67b7SOr Gerlitz static 70177ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 70277ab67b7SOr Gerlitz { 703b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 70477ab67b7SOr Gerlitz struct net_device *netdev; 70577ab67b7SOr Gerlitz struct mlx5e_priv *priv; 70677ab67b7SOr Gerlitz 707b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 708b1c2f631SDima Chumak if (!netdev) 709b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 710b1c2f631SDima Chumak 71177ab67b7SOr Gerlitz priv = netdev_priv(netdev); 712b1c2f631SDima Chumak mdev = priv->mdev; 713b1c2f631SDima Chumak dev_put(netdev); 714b1c2f631SDima Chumak 715b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 716b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 717b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 718b1c2f631SDima Chumak * 719b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 720b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 721b1c2f631SDima Chumak * removed. 722b1c2f631SDima Chumak * 723b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 724b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 725b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 726b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 727b1c2f631SDima Chumak */ 728b1c2f631SDima Chumak return mdev; 72977ab67b7SOr Gerlitz } 73077ab67b7SOr Gerlitz 73177ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 73277ab67b7SOr Gerlitz { 733a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 73477ab67b7SOr Gerlitz int err; 73577ab67b7SOr Gerlitz 736a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 737a6696735SMaxim Mikityanskiy if (!builder) 738a6696735SMaxim Mikityanskiy return -ENOMEM; 739a6696735SMaxim Mikityanskiy 74077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 74177ab67b7SOr Gerlitz if (err) 742a6696735SMaxim Mikityanskiy goto out; 74377ab67b7SOr Gerlitz 744a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 745a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 74677ab67b7SOr Gerlitz if (err) 74777ab67b7SOr Gerlitz goto create_tir_err; 74877ab67b7SOr Gerlitz 749a6696735SMaxim Mikityanskiy out: 750a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 751a6696735SMaxim Mikityanskiy return err; 75277ab67b7SOr Gerlitz 75377ab67b7SOr Gerlitz create_tir_err: 75477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 755a6696735SMaxim Mikityanskiy 756a6696735SMaxim Mikityanskiy goto out; 75777ab67b7SOr Gerlitz } 75877ab67b7SOr Gerlitz 75977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 76077ab67b7SOr Gerlitz { 761a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 76277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 76377ab67b7SOr Gerlitz } 76477ab67b7SOr Gerlitz 7653f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7663f6d08d1SOr Gerlitz { 7673f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7683f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 76906e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 77006e9f13aSMaxim Mikityanskiy int err; 7713f6d08d1SOr Gerlitz 77206e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 77306e9f13aSMaxim Mikityanskiy if (!indir) 7743f6d08d1SOr Gerlitz return -ENOMEM; 7753f6d08d1SOr Gerlitz 77643befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 77706e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 77843ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 77943ec0f41SMaxim Mikityanskiy indir); 7803f6d08d1SOr Gerlitz 78106e9f13aSMaxim Mikityanskiy kvfree(indir); 7823f6d08d1SOr Gerlitz return err; 7833f6d08d1SOr Gerlitz } 7843f6d08d1SOr Gerlitz 7853f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7863f6d08d1SOr Gerlitz { 7873f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 78843ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 789d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 790a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 791a6696735SMaxim Mikityanskiy int err = 0; 792a6696735SMaxim Mikityanskiy 793a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 794a6696735SMaxim Mikityanskiy if (!builder) 795a6696735SMaxim Mikityanskiy return -ENOMEM; 796a6696735SMaxim Mikityanskiy 79743ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 7983f6d08d1SOr Gerlitz 7993f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 80065d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 801d930ac79SAya Levin 80265d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 8033f6d08d1SOr Gerlitz 804a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 805a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 806a6696735SMaxim Mikityanskiy false); 80743ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 808bbeb53b8SAya Levin 809a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 8103f6d08d1SOr Gerlitz if (err) { 8113f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 8123f6d08d1SOr Gerlitz goto err_destroy_tirs; 8133f6d08d1SOr Gerlitz } 814a6696735SMaxim Mikityanskiy 815a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 8163f6d08d1SOr Gerlitz } 817a6696735SMaxim Mikityanskiy 818a6696735SMaxim Mikityanskiy out: 819a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 820a6696735SMaxim Mikityanskiy return err; 8213f6d08d1SOr Gerlitz 8223f6d08d1SOr Gerlitz err_destroy_tirs: 823a6696735SMaxim Mikityanskiy max_tt = tt; 824a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 825a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 826a6696735SMaxim Mikityanskiy 827a6696735SMaxim Mikityanskiy goto out; 8283f6d08d1SOr Gerlitz } 8293f6d08d1SOr Gerlitz 8303f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 8313f6d08d1SOr Gerlitz { 8323f6d08d1SOr Gerlitz int tt; 8333f6d08d1SOr Gerlitz 8343f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 835a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 8363f6d08d1SOr Gerlitz } 8373f6d08d1SOr Gerlitz 8383f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 8393f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 8403f6d08d1SOr Gerlitz { 8413f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8423f6d08d1SOr Gerlitz int tt; 8433f6d08d1SOr Gerlitz 8443f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8453f6d08d1SOr Gerlitz 846bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 847bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 848bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 849bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 850bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 851bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 852bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 853bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 854bc29764eSMaor Gottlieb } 8553f6d08d1SOr Gerlitz 8563f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8573f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8583f6d08d1SOr Gerlitz } 8593f6d08d1SOr Gerlitz 8603f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8613f6d08d1SOr Gerlitz { 8623f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8633f6d08d1SOr Gerlitz struct ttc_params ttc_params; 864f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8653f6d08d1SOr Gerlitz int err; 8663f6d08d1SOr Gerlitz 8673f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8683f6d08d1SOr Gerlitz if (err) 8693f6d08d1SOr Gerlitz return err; 8703f6d08d1SOr Gerlitz 8713f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8723f6d08d1SOr Gerlitz if (err) 8733f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8743f6d08d1SOr Gerlitz 8753f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 876f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 877f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 878f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8793f6d08d1SOr Gerlitz goto err_create_ttc_table; 880f4b45940SMaor Gottlieb } 8813f6d08d1SOr Gerlitz 882f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8833f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 884f4b45940SMaor Gottlieb hp->num_channels, 885f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8863f6d08d1SOr Gerlitz 8873f6d08d1SOr Gerlitz return 0; 8883f6d08d1SOr Gerlitz 8893f6d08d1SOr Gerlitz err_create_ttc_table: 8903f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8913f6d08d1SOr Gerlitz err_create_indirect_tirs: 89206e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8933f6d08d1SOr Gerlitz 8943f6d08d1SOr Gerlitz return err; 8953f6d08d1SOr Gerlitz } 8963f6d08d1SOr Gerlitz 8973f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 8983f6d08d1SOr Gerlitz { 899f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 9003f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 90106e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 9023f6d08d1SOr Gerlitz } 9033f6d08d1SOr Gerlitz 90477ab67b7SOr Gerlitz static struct mlx5e_hairpin * 90577ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 90677ab67b7SOr Gerlitz int peer_ifindex) 90777ab67b7SOr Gerlitz { 90877ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 90977ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 91077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 91177ab67b7SOr Gerlitz int err; 91277ab67b7SOr Gerlitz 91377ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 91477ab67b7SOr Gerlitz if (!hp) 91577ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 91677ab67b7SOr Gerlitz 91777ab67b7SOr Gerlitz func_mdev = priv->mdev; 91877ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 919b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 920b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 921b1c2f631SDima Chumak goto create_pair_err; 922b1c2f631SDima Chumak } 92377ab67b7SOr Gerlitz 92477ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 92577ab67b7SOr Gerlitz if (IS_ERR(pair)) { 92677ab67b7SOr Gerlitz err = PTR_ERR(pair); 92777ab67b7SOr Gerlitz goto create_pair_err; 92877ab67b7SOr Gerlitz } 92977ab67b7SOr Gerlitz hp->pair = pair; 93077ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 9313f6d08d1SOr Gerlitz hp->func_priv = priv; 9323f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 933*8a0594c0SGal Pressman hp->log_num_packets = params->log_num_packets; 93477ab67b7SOr Gerlitz 93577ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 93677ab67b7SOr Gerlitz if (err) 93777ab67b7SOr Gerlitz goto create_transport_err; 93877ab67b7SOr Gerlitz 9393f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 9403f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 9413f6d08d1SOr Gerlitz if (err) 9423f6d08d1SOr Gerlitz goto rss_init_err; 9433f6d08d1SOr Gerlitz } 9443f6d08d1SOr Gerlitz 94577ab67b7SOr Gerlitz return hp; 94677ab67b7SOr Gerlitz 9473f6d08d1SOr Gerlitz rss_init_err: 9483f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 94977ab67b7SOr Gerlitz create_transport_err: 95077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 95177ab67b7SOr Gerlitz create_pair_err: 95277ab67b7SOr Gerlitz kfree(hp); 95377ab67b7SOr Gerlitz return ERR_PTR(err); 95477ab67b7SOr Gerlitz } 95577ab67b7SOr Gerlitz 95677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 95777ab67b7SOr Gerlitz { 9583f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9593f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 96077ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 96177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 96277ab67b7SOr Gerlitz kvfree(hp); 96377ab67b7SOr Gerlitz } 96477ab67b7SOr Gerlitz 965106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 966106be53bSOr Gerlitz { 967106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 968106be53bSOr Gerlitz } 969106be53bSOr Gerlitz 9705c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 971106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9725c65c564SOr Gerlitz { 973f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9745c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 975106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9765c65c564SOr Gerlitz 977f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 978106be53bSOr Gerlitz hairpin_hlist, hash_key) { 979e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 980e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9815c65c564SOr Gerlitz return hpe; 9825c65c564SOr Gerlitz } 983e4f9abbdSVlad Buslov } 9845c65c564SOr Gerlitz 9855c65c564SOr Gerlitz return NULL; 9865c65c564SOr Gerlitz } 9875c65c564SOr Gerlitz 988e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 989e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 990e4f9abbdSVlad Buslov { 991f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 992e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 993f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 994e4f9abbdSVlad Buslov return; 995b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 996f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 997e4f9abbdSVlad Buslov 998db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 999e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 1000e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 1001e4f9abbdSVlad Buslov 1002e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 1003db76ca24SVlad Buslov } 1004db76ca24SVlad Buslov 1005db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 1006e4f9abbdSVlad Buslov kfree(hpe); 1007e4f9abbdSVlad Buslov } 1008e4f9abbdSVlad Buslov 1009106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 1010106be53bSOr Gerlitz 1011106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 1012e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 1013e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1014106be53bSOr Gerlitz { 1015106be53bSOr Gerlitz void *headers_c, *headers_v; 1016106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 1017106be53bSOr Gerlitz bool vlan_present; 1018106be53bSOr Gerlitz 1019106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 1020106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 1021e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1022e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 1023106be53bSOr Gerlitz return -EOPNOTSUPP; 1024106be53bSOr Gerlitz } 1025106be53bSOr Gerlitz #endif 1026106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 1027106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1028106be53bSOr Gerlitz 1029106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 1030106be53bSOr Gerlitz if (vlan_present) { 1031106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 1032106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 1033106be53bSOr Gerlitz } 1034106be53bSOr Gerlitz 1035106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 1036106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 1037106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 1038e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1039e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 1040106be53bSOr Gerlitz return -EOPNOTSUPP; 1041106be53bSOr Gerlitz } 1042106be53bSOr Gerlitz 1043106be53bSOr Gerlitz *match_prio = prio_val; 1044106be53bSOr Gerlitz return 0; 1045106be53bSOr Gerlitz } 1046106be53bSOr Gerlitz 10470e414518SGal Pressman static int debugfs_hairpin_num_active_get(void *data, u64 *val) 10480e414518SGal Pressman { 10490e414518SGal Pressman struct mlx5e_tc_table *tc = data; 10500e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 10510e414518SGal Pressman u32 cnt = 0; 10520e414518SGal Pressman u32 bkt; 10530e414518SGal Pressman 10540e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 10550e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 10560e414518SGal Pressman cnt++; 10570e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 10580e414518SGal Pressman 10590e414518SGal Pressman *val = cnt; 10600e414518SGal Pressman 10610e414518SGal Pressman return 0; 10620e414518SGal Pressman } 10630e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_num_active, 10640e414518SGal Pressman debugfs_hairpin_num_active_get, NULL, "%llu\n"); 10650e414518SGal Pressman 10660e414518SGal Pressman static int debugfs_hairpin_table_dump_show(struct seq_file *file, void *priv) 10670e414518SGal Pressman 10680e414518SGal Pressman { 10690e414518SGal Pressman struct mlx5e_tc_table *tc = file->private; 10700e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 10710e414518SGal Pressman u32 bkt; 10720e414518SGal Pressman 10730e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 10740e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 1075*8a0594c0SGal Pressman seq_printf(file, 1076*8a0594c0SGal Pressman "Hairpin peer_vhca_id %u prio %u refcnt %u num_channels %u num_packets %lu\n", 10770e414518SGal Pressman hpe->peer_vhca_id, hpe->prio, 1078*8a0594c0SGal Pressman refcount_read(&hpe->refcnt), hpe->hp->num_channels, 1079*8a0594c0SGal Pressman BIT(hpe->hp->log_num_packets)); 10800e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 10810e414518SGal Pressman 10820e414518SGal Pressman return 0; 10830e414518SGal Pressman } 10840e414518SGal Pressman DEFINE_SHOW_ATTRIBUTE(debugfs_hairpin_table_dump); 10850e414518SGal Pressman 10860e414518SGal Pressman static void mlx5e_tc_debugfs_init(struct mlx5e_tc_table *tc, 10870e414518SGal Pressman struct dentry *dfs_root) 10880e414518SGal Pressman { 10890e414518SGal Pressman if (IS_ERR_OR_NULL(dfs_root)) 10900e414518SGal Pressman return; 10910e414518SGal Pressman 10920e414518SGal Pressman tc->dfs_root = debugfs_create_dir("tc", dfs_root); 10930e414518SGal Pressman 10940e414518SGal Pressman debugfs_create_file("hairpin_num_active", 0444, tc->dfs_root, tc, 10950e414518SGal Pressman &fops_hairpin_num_active); 10960e414518SGal Pressman debugfs_create_file("hairpin_table_dump", 0444, tc->dfs_root, tc, 10970e414518SGal Pressman &debugfs_hairpin_table_dump_fops); 10980e414518SGal Pressman } 10990e414518SGal Pressman 11005c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 11015c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1102e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1103e98bedf5SEli Britstein struct netlink_ext_ack *extack) 11045c65c564SOr Gerlitz { 1105f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 11061bffcea4SGal Pressman struct devlink *devlink = priv_to_devlink(priv->mdev); 110798b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 11081bffcea4SGal Pressman union devlink_param_value val = {}; 11095c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1110d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 11115c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 11125c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1113106be53bSOr Gerlitz u8 match_prio; 1114d8822868SOr Gerlitz u16 peer_id; 11155c65c564SOr Gerlitz int err; 11165c65c564SOr Gerlitz 1117d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1118b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1119b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1120b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1121b1c2f631SDima Chumak } 1122b1c2f631SDima Chumak 1123d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1124e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 11255c65c564SOr Gerlitz return -EOPNOTSUPP; 11265c65c564SOr Gerlitz } 11275c65c564SOr Gerlitz 1128d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1129e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1130e98bedf5SEli Britstein extack); 1131106be53bSOr Gerlitz if (err) 1132106be53bSOr Gerlitz return err; 1133b32accdaSVlad Buslov 1134f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1135106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1136db76ca24SVlad Buslov if (hpe) { 1137f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1138db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1139db76ca24SVlad Buslov 1140db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1141db76ca24SVlad Buslov err = -EREMOTEIO; 1142db76ca24SVlad Buslov goto out_err; 1143db76ca24SVlad Buslov } 11445c65c564SOr Gerlitz goto attach_flow; 1145db76ca24SVlad Buslov } 11465c65c564SOr Gerlitz 11475c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1148b32accdaSVlad Buslov if (!hpe) { 1149f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1150db76ca24SVlad Buslov return -ENOMEM; 1151b32accdaSVlad Buslov } 11525c65c564SOr Gerlitz 115373edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 11545c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1155db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1156d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1157106be53bSOr Gerlitz hpe->prio = match_prio; 1158e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1159db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1160db76ca24SVlad Buslov 1161f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1162db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1163f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 11645c65c564SOr Gerlitz 11651bffcea4SGal Pressman err = devl_param_driverinit_value_get( 11661bffcea4SGal Pressman devlink, MLX5_DEVLINK_PARAM_ID_HAIRPIN_QUEUE_SIZE, &val); 11671bffcea4SGal Pressman if (err) { 11681bffcea4SGal Pressman err = -ENOMEM; 11691bffcea4SGal Pressman goto out_err; 11701bffcea4SGal Pressman } 11711bffcea4SGal Pressman 11721bffcea4SGal Pressman params.log_num_packets = ilog2(val.vu32); 11731a803472SGal Pressman params.log_data_size = 11741a803472SGal Pressman clamp_t(u32, 11751a803472SGal Pressman params.log_num_packets + 11761a803472SGal Pressman MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev), 117794581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 11785c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1179eb9180f7SOr Gerlitz 1180eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 11811bffcea4SGal Pressman err = devl_param_driverinit_value_get( 11821bffcea4SGal Pressman devlink, MLX5_DEVLINK_PARAM_ID_HAIRPIN_NUM_QUEUES, &val); 11831bffcea4SGal Pressman if (err) { 11841bffcea4SGal Pressman err = -ENOMEM; 11851bffcea4SGal Pressman goto out_err; 11861bffcea4SGal Pressman } 11871bffcea4SGal Pressman 11881bffcea4SGal Pressman params.num_channels = val.vu32; 11893f6d08d1SOr Gerlitz 11905c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1191db76ca24SVlad Buslov hpe->hp = hp; 1192db76ca24SVlad Buslov complete_all(&hpe->res_ready); 11935c65c564SOr Gerlitz if (IS_ERR(hp)) { 11945c65c564SOr Gerlitz err = PTR_ERR(hp); 1195db76ca24SVlad Buslov goto out_err; 11965c65c564SOr Gerlitz } 11975c65c564SOr Gerlitz 1198eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1199a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 120027b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1201eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 12025c65c564SOr Gerlitz 12035c65c564SOr Gerlitz attach_flow: 12043f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1205226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1206f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1207f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 12083f6d08d1SOr Gerlitz } else { 1209a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 12103f6d08d1SOr Gerlitz } 1211b32accdaSVlad Buslov 1212e4f9abbdSVlad Buslov flow->hpe = hpe; 121373edca73SVlad Buslov spin_lock(&hpe->flows_lock); 12145c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 121573edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 12163f6d08d1SOr Gerlitz 12175c65c564SOr Gerlitz return 0; 12185c65c564SOr Gerlitz 1219db76ca24SVlad Buslov out_err: 1220db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 12215c65c564SOr Gerlitz return err; 12225c65c564SOr Gerlitz } 12235c65c564SOr Gerlitz 12245c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 12255c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 12265c65c564SOr Gerlitz { 12275a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1228e4f9abbdSVlad Buslov if (!flow->hpe) 12295a7e5bcbSVlad Buslov return; 12305a7e5bcbSVlad Buslov 123173edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 12325c65c564SOr Gerlitz list_del(&flow->hairpin); 123373edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 123473edca73SVlad Buslov 1235e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1236e4f9abbdSVlad Buslov flow->hpe = NULL; 12375c65c564SOr Gerlitz } 12385c65c564SOr Gerlitz 123908247066SAriel Levkovich struct mlx5_flow_handle * 124008247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 124108247066SAriel Levkovich struct mlx5_flow_spec *spec, 1242c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1243e8f887acSAmir Vadai { 124408247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1245f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1246f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1247c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 12485c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 124923bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 125066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 12513bc4b7bfSOr Gerlitz .action = attr->action, 1252bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 125366958ed9SHadar Hen Zion }; 125408247066SAriel Levkovich struct mlx5_flow_handle *rule; 1255c7569097SAriel Levkovich struct mlx5_flow_table *ft; 125608247066SAriel Levkovich int dest_ix = 0; 1257e8f887acSAmir Vadai 125823bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1259bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1260c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1261bb0ee7dcSJianbo Liu 1262aedd133dSAriel Levkovich if (attr->dest_ft) { 1263aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1264aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1265aedd133dSAriel Levkovich dest_ix++; 1266aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 12673f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1268c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 126908247066SAriel Levkovich dest_ix++; 1270c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 12715c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1272c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 12733f6d08d1SOr Gerlitz dest_ix++; 12743f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 12755c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1276c7569097SAriel Levkovich if (attr->dest_chain) { 1277c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1278c7569097SAriel Levkovich attr->dest_chain, 1, 1279c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1280c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1281c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1282c7569097SAriel Levkovich } else { 1283f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1284c7569097SAriel Levkovich } 12855c65c564SOr Gerlitz dest_ix++; 12865c65c564SOr Gerlitz } 1287aad7e08dSAmir Vadai 1288c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1289c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1290c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1291c7569097SAriel Levkovich 129208247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 12935c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 129408247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 12955c65c564SOr Gerlitz dest_ix++; 1296aad7e08dSAmir Vadai } 1297aad7e08dSAmir Vadai 129808247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12992b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 13002f4fe4caSOr Gerlitz 13016a064674SAriel Levkovich mutex_lock(&tc->t_lock); 13026a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 13036a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 13046a064674SAriel Levkovich tc->t = 1305c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 130621b9c144SOr Gerlitz 13076a064674SAriel Levkovich if (IS_ERR(tc->t)) { 13086a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1309e8f887acSAmir Vadai netdev_err(priv->netdev, 1310e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1311f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1312c7569097SAriel Levkovich goto err_ft_get; 1313e8f887acSAmir Vadai } 1314e8f887acSAmir Vadai } 131508247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1316e8f887acSAmir Vadai 1317aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1318c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1319c7569097SAriel Levkovich attr->chain, attr->prio, 1320c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1321aedd133dSAriel Levkovich else 1322aedd133dSAriel Levkovich ft = attr->ft; 1323aedd133dSAriel Levkovich 1324c7569097SAriel Levkovich if (IS_ERR(ft)) { 1325c7569097SAriel Levkovich rule = ERR_CAST(ft); 1326c7569097SAriel Levkovich goto err_ft_get; 1327c7569097SAriel Levkovich } 1328c7569097SAriel Levkovich 1329c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 133008247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 133138aa51c1SOr Gerlitz 1332c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 13335c65c564SOr Gerlitz &flow_act, dest, dest_ix); 133408247066SAriel Levkovich if (IS_ERR(rule)) 1335c7569097SAriel Levkovich goto err_rule; 133608247066SAriel Levkovich 133708247066SAriel Levkovich return rule; 1338c7569097SAriel Levkovich 1339c7569097SAriel Levkovich err_rule: 1340aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1341c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1342c7569097SAriel Levkovich attr->chain, attr->prio, 1343c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1344c7569097SAriel Levkovich err_ft_get: 1345c7569097SAriel Levkovich if (attr->dest_chain) 1346c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1347c7569097SAriel Levkovich attr->dest_chain, 1, 1348c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1349c7569097SAriel Levkovich 1350c7569097SAriel Levkovich return ERR_CAST(rule); 135108247066SAriel Levkovich } 135208247066SAriel Levkovich 135308247066SAriel Levkovich static int 1354df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1355df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1356df67ad62SRoi Dayan 1357df67ad62SRoi Dayan { 1358df67ad62SRoi Dayan struct mlx5_fc *counter; 1359df67ad62SRoi Dayan 1360df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1361df67ad62SRoi Dayan if (IS_ERR(counter)) 1362df67ad62SRoi Dayan return PTR_ERR(counter); 1363df67ad62SRoi Dayan 1364df67ad62SRoi Dayan attr->counter = counter; 1365df67ad62SRoi Dayan return 0; 1366df67ad62SRoi Dayan } 1367df67ad62SRoi Dayan 1368df67ad62SRoi Dayan static int 136908247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 137008247066SAriel Levkovich struct mlx5e_tc_flow *flow, 137108247066SAriel Levkovich struct netlink_ext_ack *extack) 137208247066SAriel Levkovich { 1373c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1374c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 137508247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 137608247066SAriel Levkovich int err; 137708247066SAriel Levkovich 1378c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1379c6cfe113SRoi Dayan 138008247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 138108247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 138208247066SAriel Levkovich if (err) 138308247066SAriel Levkovich return err; 138408247066SAriel Levkovich } 138508247066SAriel Levkovich 138608247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1387df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1388df67ad62SRoi Dayan if (err) 1389df67ad62SRoi Dayan return err; 139008247066SAriel Levkovich } 139108247066SAriel Levkovich 139208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1393c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(priv, flow, attr); 139408247066SAriel Levkovich if (err) 139508247066SAriel Levkovich return err; 139608247066SAriel Levkovich } 139708247066SAriel Levkovich 139884ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1399a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1400aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1401aedd133dSAriel Levkovich else 140208247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 140308247066SAriel Levkovich attr); 1404e8f887acSAmir Vadai 1405a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1406e8f887acSAmir Vadai } 1407e8f887acSAmir Vadai 140808247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1409c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1410c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 141108247066SAriel Levkovich { 1412f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1413f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1414c7569097SAriel Levkovich 1415f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 141608247066SAriel Levkovich mlx5_del_flow_rules(rule); 1417c7569097SAriel Levkovich 1418aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1419c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1420c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1421c7569097SAriel Levkovich 1422c7569097SAriel Levkovich if (attr->dest_chain) 1423c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1424c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 142508247066SAriel Levkovich } 142608247066SAriel Levkovich 1427d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1428d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1429d85cdccbSOr Gerlitz { 1430f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1431c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1432d85cdccbSOr Gerlitz 1433c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1434c7569097SAriel Levkovich 143584ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1436a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1437aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1438aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1439aedd133dSAriel Levkovich 1440c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1441c7569097SAriel Levkovich * extra steering hops. 1442c7569097SAriel Levkovich */ 1443f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 14446a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 14456a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 144623bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1447f52f2faeSLama Kayal tc->t = NULL; 1448d85cdccbSOr Gerlitz } 1449f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 14502f4fe4caSOr Gerlitz 14515e72f3f1SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 14525e72f3f1SAriel Levkovich mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 1453c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 14545e72f3f1SAriel Levkovich } 14555c65c564SOr Gerlitz 1456972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1457aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1458aedd133dSAriel Levkovich 1459226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 14605c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1461c620b772SAriel Levkovich 14628300f225SRoi Dayan free_flow_post_acts(flow); 14638300f225SRoi Dayan 146488d97486SRoi Dayan kvfree(attr->parse_attr); 1465c620b772SAriel Levkovich kfree(flow->attr); 1466d85cdccbSOr Gerlitz } 1467d85cdccbSOr Gerlitz 14680d9f9647SVlad Buslov struct mlx5_flow_handle * 14696d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 14706d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 14716d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1472c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 14736d2a3ed0SOr Gerlitz { 14746d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14754c3844d9SPaul Blakey 1476e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 147789e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 147889e39467SPaul Blakey 1479a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 14806d2a3ed0SOr Gerlitz 14816d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 14826d2a3ed0SOr Gerlitz return rule; 14836d2a3ed0SOr Gerlitz 1484c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 14856d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 148684ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 148784ba8062SRoi Dayan goto err_rule1; 14886d2a3ed0SOr Gerlitz } 14896d2a3ed0SOr Gerlitz 14906d2a3ed0SOr Gerlitz return rule; 149184ba8062SRoi Dayan 149284ba8062SRoi Dayan err_rule1: 1493a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 149484ba8062SRoi Dayan return flow->rule[1]; 14956d2a3ed0SOr Gerlitz } 14966d2a3ed0SOr Gerlitz 14970d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 14986d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1499c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 15006d2a3ed0SOr Gerlitz { 1501226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 15026d2a3ed0SOr Gerlitz 1503e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 150484ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 150589e39467SPaul Blakey 1506c620b772SAriel Levkovich if (attr->esw_attr->split_count) 15076d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 15086d2a3ed0SOr Gerlitz 1509a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 15106d2a3ed0SOr Gerlitz } 15116d2a3ed0SOr Gerlitz 15120d9f9647SVlad Buslov struct mlx5_flow_handle * 15135dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 15145dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1515178f69b4SEli Cohen struct mlx5_flow_spec *spec) 15165dbe906fSPaul Blakey { 15178dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 15188dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1519c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 15205dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15218dc47c05SPaul Blakey bool fwd_and_modify_cap; 15228dc47c05SPaul Blakey u32 chain_mapping = 0; 15238dc47c05SPaul Blakey int err; 15245dbe906fSPaul Blakey 1525c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1526c620b772SAriel Levkovich if (!slow_attr) 1527c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 15285dbe906fSPaul Blakey 1529c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1530c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1531c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1532e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1533c620b772SAriel Levkovich 15348dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 15358dc47c05SPaul Blakey if (!fwd_and_modify_cap) 15368dc47c05SPaul Blakey goto skip_restore; 15378dc47c05SPaul Blakey 15388dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 15398dc47c05SPaul Blakey if (err) 15408dc47c05SPaul Blakey goto err_get_chain; 15418dc47c05SPaul Blakey 15428dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 1543235ff07dSPaul Blakey MAPPED_OBJ_TO_REG, chain_mapping); 15448dc47c05SPaul Blakey if (err) 15458dc47c05SPaul Blakey goto err_reg_set; 15468dc47c05SPaul Blakey 15478dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 15488dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 15498dc47c05SPaul Blakey if (IS_ERR(mh)) { 15508dc47c05SPaul Blakey err = PTR_ERR(mh); 15518dc47c05SPaul Blakey goto err_attach; 15528dc47c05SPaul Blakey } 15538dc47c05SPaul Blakey 15548dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 15558dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 15568dc47c05SPaul Blakey 15578dc47c05SPaul Blakey skip_restore: 1558c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 15598dc47c05SPaul Blakey if (IS_ERR(rule)) { 15608dc47c05SPaul Blakey err = PTR_ERR(rule); 15618dc47c05SPaul Blakey goto err_offload; 15628dc47c05SPaul Blakey } 15638dc47c05SPaul Blakey 156482b56480SRoi Dayan flow->attr->slow_mh = mh; 15658dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1566226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 15675dbe906fSPaul Blakey 15688dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1569c620b772SAriel Levkovich kfree(slow_attr); 1570c620b772SAriel Levkovich 15715dbe906fSPaul Blakey return rule; 15728dc47c05SPaul Blakey 15738dc47c05SPaul Blakey err_offload: 15748dc47c05SPaul Blakey if (fwd_and_modify_cap) 15758dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 15768dc47c05SPaul Blakey err_attach: 15778dc47c05SPaul Blakey err_reg_set: 15788dc47c05SPaul Blakey if (fwd_and_modify_cap) 15798dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 15808dc47c05SPaul Blakey err_get_chain: 15818dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 15828dc47c05SPaul Blakey kfree(slow_attr); 15838dc47c05SPaul Blakey return ERR_PTR(err); 15845dbe906fSPaul Blakey } 15855dbe906fSPaul Blakey 15860d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1587178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 15885dbe906fSPaul Blakey { 158982b56480SRoi Dayan struct mlx5e_mod_hdr_handle *slow_mh = flow->attr->slow_mh; 1590c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1591178f69b4SEli Cohen 1592c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 15935efbe617SAriel Levkovich if (!slow_attr) { 15945efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 15955efbe617SAriel Levkovich return; 15965efbe617SAriel Levkovich } 1597c620b772SAriel Levkovich 1598c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1599c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1600c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1601e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 160282b56480SRoi Dayan if (slow_mh) { 16038dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 160482b56480SRoi Dayan slow_attr->modify_hdr = mlx5e_mod_hdr_get(slow_mh); 16058dc47c05SPaul Blakey } 1606c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 160782b56480SRoi Dayan if (slow_mh) { 160882b56480SRoi Dayan mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), slow_mh); 16098dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 16108dc47c05SPaul Blakey flow->chain_mapping = 0; 161182b56480SRoi Dayan flow->attr->slow_mh = NULL; 16128dc47c05SPaul Blakey } 1613226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1614c620b772SAriel Levkovich kfree(slow_attr); 16155dbe906fSPaul Blakey } 16165dbe906fSPaul Blakey 1617ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1618ad86755bSVlad Buslov * function. 1619ad86755bSVlad Buslov */ 1620ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1621ad86755bSVlad Buslov struct list_head *unready_flows) 1622ad86755bSVlad Buslov { 1623ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1624ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1625ad86755bSVlad Buslov } 1626ad86755bSVlad Buslov 1627ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1628ad86755bSVlad Buslov * function. 1629ad86755bSVlad Buslov */ 1630ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1631ad86755bSVlad Buslov { 1632ad86755bSVlad Buslov list_del(&flow->unready); 1633ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1634ad86755bSVlad Buslov } 1635ad86755bSVlad Buslov 1636b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1637b4a23329SRoi Dayan { 1638b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1639b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1640b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1641b4a23329SRoi Dayan 1642b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1643b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1644b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1645b4a23329SRoi Dayan 1646ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1647ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1648ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1649b4a23329SRoi Dayan } 1650b4a23329SRoi Dayan 1651b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1652b4a23329SRoi Dayan { 1653ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1654ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1655ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1656ad86755bSVlad Buslov 1657ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1658ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1659ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1660ad86755bSVlad Buslov 1661ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1662ad86755bSVlad Buslov unready_flow_del(flow); 1663ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1664b4a23329SRoi Dayan } 1665b4a23329SRoi Dayan 1666a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 166710742efcSVlad Buslov { 166810742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 166910742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 167010742efcSVlad Buslov 167110742efcSVlad Buslov out_priv = netdev_priv(out_dev); 167210742efcSVlad Buslov out_mdev = out_priv->mdev; 167310742efcSVlad Buslov route_priv = netdev_priv(route_dev); 167410742efcSVlad Buslov route_mdev = route_priv->mdev; 167510742efcSVlad Buslov 167672e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 167772e0bcd1SRoi Dayan return false; 167872e0bcd1SRoi Dayan 167972e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 168072e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 168110742efcSVlad Buslov return false; 168210742efcSVlad Buslov 1683ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 168410742efcSVlad Buslov } 168510742efcSVlad Buslov 1686a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 168710742efcSVlad Buslov { 168810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1689f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 169010742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 169110742efcSVlad Buslov struct mlx5_eswitch *esw; 169210742efcSVlad Buslov u16 vhca_id; 169310742efcSVlad Buslov int err; 169410742efcSVlad Buslov 169510742efcSVlad Buslov out_priv = netdev_priv(out_dev); 169610742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 169710742efcSVlad Buslov route_priv = netdev_priv(route_dev); 169810742efcSVlad Buslov route_mdev = route_priv->mdev; 169910742efcSVlad Buslov 170010742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1701f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1702f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1703f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1704f9d196bdSDmytro Linkin * eswitch. 1705f9d196bdSDmytro Linkin */ 170610742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1707f9d196bdSDmytro Linkin if (err != -ENOENT) 1708f9d196bdSDmytro Linkin return err; 1709f9d196bdSDmytro Linkin 1710f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1711f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1712f9d196bdSDmytro Linkin if (!esw) 1713f9d196bdSDmytro Linkin return -ENODEV; 1714f9d196bdSDmytro Linkin } 1715f9d196bdSDmytro Linkin 1716f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1717f9d196bdSDmytro Linkin if (devcom) 1718f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 171910742efcSVlad Buslov return err; 172010742efcSVlad Buslov } 172110742efcSVlad Buslov 1722c83954abSRabie Loulou static int 172339542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 172439542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1725c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 172639542e23SRoi Dayan struct netlink_ext_ack *extack, 172739542e23SRoi Dayan bool *vf_tun) 172839542e23SRoi Dayan { 172939542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 173039542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 173139542e23SRoi Dayan struct net_device *encap_dev = NULL; 173239542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 173339542e23SRoi Dayan struct mlx5e_priv *out_priv; 173439542e23SRoi Dayan int out_index; 173539542e23SRoi Dayan int err = 0; 173639542e23SRoi Dayan 17378300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 17388300f225SRoi Dayan return 0; 17398300f225SRoi Dayan 174039542e23SRoi Dayan parse_attr = attr->parse_attr; 174139542e23SRoi Dayan esw_attr = attr->esw_attr; 174239542e23SRoi Dayan *vf_tun = false; 174339542e23SRoi Dayan 174439542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 174539542e23SRoi Dayan struct net_device *out_dev; 174639542e23SRoi Dayan int mirred_ifindex; 174739542e23SRoi Dayan 174839542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 174939542e23SRoi Dayan continue; 175039542e23SRoi Dayan 175139542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 175239542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 175339542e23SRoi Dayan if (!out_dev) { 175439542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 175539542e23SRoi Dayan err = -ENODEV; 175639542e23SRoi Dayan goto out; 175739542e23SRoi Dayan } 1758c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 1759f3774220SChris Mi extack, &encap_dev); 176039542e23SRoi Dayan dev_put(out_dev); 176139542e23SRoi Dayan if (err) 176239542e23SRoi Dayan goto out; 176339542e23SRoi Dayan 176439542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 176539542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 176639542e23SRoi Dayan !esw_attr->dest_int_port) 176739542e23SRoi Dayan *vf_tun = true; 176839542e23SRoi Dayan 176939542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 177039542e23SRoi Dayan rpriv = out_priv->ppriv; 177139542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 177239542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 177339542e23SRoi Dayan } 177439542e23SRoi Dayan 177539542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 177639542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 177739542e23SRoi Dayan err = -EOPNOTSUPP; 177839542e23SRoi Dayan goto out; 177939542e23SRoi Dayan } 178039542e23SRoi Dayan 178139542e23SRoi Dayan out: 178239542e23SRoi Dayan return err; 178339542e23SRoi Dayan } 178439542e23SRoi Dayan 178539542e23SRoi Dayan static void 178639542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 178739542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1788c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 178939542e23SRoi Dayan bool *vf_tun) 179039542e23SRoi Dayan { 179139542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 179239542e23SRoi Dayan int out_index; 179339542e23SRoi Dayan 17948300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 17958300f225SRoi Dayan return; 17968300f225SRoi Dayan 179739542e23SRoi Dayan esw_attr = attr->esw_attr; 179839542e23SRoi Dayan *vf_tun = false; 179939542e23SRoi Dayan 180039542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 180139542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 180239542e23SRoi Dayan continue; 180339542e23SRoi Dayan 180439542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 180539542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 180639542e23SRoi Dayan !esw_attr->dest_int_port) 180739542e23SRoi Dayan *vf_tun = true; 180839542e23SRoi Dayan 1809c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 181039542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 181139542e23SRoi Dayan } 181239542e23SRoi Dayan } 181339542e23SRoi Dayan 181439542e23SRoi Dayan static int 181564426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 181664426382SOz Shlomo { 181764426382SOz Shlomo if (!(actions & 181864426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 181964426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 182064426382SOz Shlomo return -EOPNOTSUPP; 182164426382SOz Shlomo } 182264426382SOz Shlomo 182364426382SOz Shlomo if (!(~actions & 182464426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 182564426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 182664426382SOz Shlomo return -EOPNOTSUPP; 182764426382SOz Shlomo } 182864426382SOz Shlomo 182964426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 183064426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 183164426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 183264426382SOz Shlomo return -EOPNOTSUPP; 183364426382SOz Shlomo } 183464426382SOz Shlomo 183564426382SOz Shlomo return 0; 183664426382SOz Shlomo } 183764426382SOz Shlomo 183864426382SOz Shlomo static int 18398facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 18408facc02fSOz Shlomo struct mlx5_flow_attr *attr, 18418facc02fSOz Shlomo struct netlink_ext_ack *extack) 18428facc02fSOz Shlomo { 18438facc02fSOz Shlomo bool vf_tun; 18448facc02fSOz Shlomo int err = 0; 18458facc02fSOz Shlomo 184664426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 184764426382SOz Shlomo if (err) 184864426382SOz Shlomo goto err_out; 184964426382SOz Shlomo 18508facc02fSOz Shlomo err = set_encap_dests(flow->priv, flow, attr, extack, &vf_tun); 18518facc02fSOz Shlomo if (err) 18528facc02fSOz Shlomo goto err_out; 18538facc02fSOz Shlomo 18548facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1855c43182e6SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr); 18568facc02fSOz Shlomo if (err) 18578facc02fSOz Shlomo goto err_out; 18588facc02fSOz Shlomo } 18598facc02fSOz Shlomo 1860f86488cbSOz Shlomo if (attr->branch_true && 1861f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1862ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_true); 1863f86488cbSOz Shlomo if (err) 1864f86488cbSOz Shlomo goto err_out; 1865f86488cbSOz Shlomo } 1866f86488cbSOz Shlomo 1867f86488cbSOz Shlomo if (attr->branch_false && 1868f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1869ef78b8d5SRoi Dayan err = mlx5e_tc_attach_mod_hdr(flow->priv, flow, attr->branch_false); 1870f86488cbSOz Shlomo if (err) 1871f86488cbSOz Shlomo goto err_out; 1872f86488cbSOz Shlomo } 1873f86488cbSOz Shlomo 18748facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 18758facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 18768facc02fSOz Shlomo if (err) 18778facc02fSOz Shlomo goto err_out; 18788facc02fSOz Shlomo } 18798facc02fSOz Shlomo 18808facc02fSOz Shlomo err_out: 18818facc02fSOz Shlomo return err; 18828facc02fSOz Shlomo } 18838facc02fSOz Shlomo 18848facc02fSOz Shlomo static int 188574491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1886e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1887e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1888adb4c123SOr Gerlitz { 1889adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1890c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1891c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1892c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 189339ac237cSPaul Blakey u32 max_prio, max_chain; 18940ad060eeSRoi Dayan int err = 0; 18958b32580dSOr Gerlitz 1896b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1897b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1898b16eb3c8SAriel Levkovich 189984179981SPaul Blakey /* We check chain range only for tc flows. 190084179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 190184179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 190284179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 190384179981SPaul Blakey */ 1904ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 190584179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 190661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 190761644c3dSRoi Dayan "Requested chain is out of supported range"); 19088914add2SVlad Buslov err = -EOPNOTSUPP; 19098914add2SVlad Buslov goto err_out; 1910bf07aa73SPaul Blakey } 1911bf07aa73SPaul Blakey 1912ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1913bf07aa73SPaul Blakey if (attr->prio > max_prio) { 191461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 191561644c3dSRoi Dayan "Requested priority is out of supported range"); 19168914add2SVlad Buslov err = -EOPNOTSUPP; 19178914add2SVlad Buslov goto err_out; 1918bf07aa73SPaul Blakey } 1919bf07aa73SPaul Blakey 1920777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1921777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1922777bb800SVlad Buslov if (err) 19238914add2SVlad Buslov goto err_out; 1924b16eb3c8SAriel Levkovich 19255b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 19265b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1927b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1928b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1929b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1930b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1931b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1932b16eb3c8SAriel Levkovich * from the proper chain. 1933b16eb3c8SAriel Levkovich */ 1934b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1935b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1936b16eb3c8SAriel Levkovich 1937b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1938b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1939b16eb3c8SAriel Levkovich metadata); 1940b16eb3c8SAriel Levkovich if (err) 194131108d14SChristophe JAILLET goto err_out; 1942077cdda7SRoi Dayan 1943077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1944b16eb3c8SAriel Levkovich } 1945777bb800SVlad Buslov } 1946777bb800SVlad Buslov 194714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 194814e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 194914e6b038SEli Cohen if (err) 19508914add2SVlad Buslov goto err_out; 195114e6b038SEli Cohen } 195214e6b038SEli Cohen 1953166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1954166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1955166f431eSAriel Levkovich 1956166f431eSAriel Levkovich if (attr->chain) { 1957166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1958166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 195931108d14SChristophe JAILLET err = -EOPNOTSUPP; 196031108d14SChristophe JAILLET goto err_out; 1961166f431eSAriel Levkovich } 1962166f431eSAriel Levkovich 1963166f431eSAriel Levkovich if (attr->dest_chain) { 1964166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1965166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 196631108d14SChristophe JAILLET err = -EOPNOTSUPP; 196731108d14SChristophe JAILLET goto err_out; 1968166f431eSAriel Levkovich } 1969166f431eSAriel Levkovich 1970166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1971166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1972166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1973166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1974166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 197531108d14SChristophe JAILLET if (IS_ERR(int_port)) { 197631108d14SChristophe JAILLET err = PTR_ERR(int_port); 197731108d14SChristophe JAILLET goto err_out; 197831108d14SChristophe JAILLET } 1979166f431eSAriel Levkovich 1980166f431eSAriel Levkovich esw_attr->int_port = int_port; 1981166f431eSAriel Levkovich } 1982166f431eSAriel Levkovich 1983ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 19840ad060eeSRoi Dayan if (err) 19858914add2SVlad Buslov goto err_out; 19860ad060eeSRoi Dayan 1987d13674b1SOz Shlomo err = mlx5e_tc_act_stats_add_flow(get_act_stats_handle(priv), flow); 1988d13674b1SOz Shlomo if (err) 1989d13674b1SOz Shlomo goto err_out; 1990d13674b1SOz Shlomo 19910ad060eeSRoi Dayan /* we get here if one of the following takes place: 19920ad060eeSRoi Dayan * (1) there's no error 19930ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 19943c37745eSOr Gerlitz */ 1995f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 1996178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1997bc1d75faSRoi Dayan else 19986d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 19995dbe906fSPaul Blakey 20008914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 20018914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 20028914add2SVlad Buslov goto err_out; 20038914add2SVlad Buslov } 2004226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 2005c83954abSRabie Loulou 20065dbe906fSPaul Blakey return 0; 20078914add2SVlad Buslov 20088914add2SVlad Buslov err_out: 20098914add2SVlad Buslov flow_flag_set(flow, FAILED); 20108914add2SVlad Buslov return err; 2011aa0cbbaeSOr Gerlitz } 2012d85cdccbSOr Gerlitz 20139272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 20149272e3dfSYevgeny Kliteynik { 2015c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 20169272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 20179272e3dfSYevgeny Kliteynik spec->match_value, 20189272e3dfSYevgeny Kliteynik misc_parameters_3); 20199272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 20209272e3dfSYevgeny Kliteynik headers_v, 20219272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 20229272e3dfSYevgeny Kliteynik 20239272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 20249272e3dfSYevgeny Kliteynik } 20259272e3dfSYevgeny Kliteynik 2026f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 2027f86488cbSOz Shlomo { 2028f86488cbSOz Shlomo if (!attr) 2029f86488cbSOz Shlomo return; 2030f86488cbSOz Shlomo 2031f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 2032f86488cbSOz Shlomo kvfree(attr->parse_attr); 2033f86488cbSOz Shlomo kfree(attr); 2034f86488cbSOz Shlomo } 2035f86488cbSOz Shlomo 2036d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 2037d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 2038d85cdccbSOr Gerlitz { 2039d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2040c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 2041777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 204239542e23SRoi Dayan bool vf_tun; 2043d85cdccbSOr Gerlitz 2044777bb800SVlad Buslov esw_attr = attr->esw_attr; 20450a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 20460a7fcb78SPaul Blakey 204712a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 2048b4a23329SRoi Dayan remove_unready_flow(flow); 2049ef06c9eeSRoi Dayan 2050226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 2051226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 2052178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 20535dbe906fSPaul Blakey else 20545dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 20555dbe906fSPaul Blakey } 2056362980eaSVlad Buslov complete_all(&flow->del_hw_done); 2057d85cdccbSOr Gerlitz 20589272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 20599272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 20609272e3dfSYevgeny Kliteynik 2061777bb800SVlad Buslov if (flow->decap_route) 2062777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 2063777bb800SVlad Buslov 2064c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 2065d7e75a32SOr Gerlitz 2066aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 20674c8594adSRoi Dayan 2068c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 20692c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 2070c43182e6SRoi Dayan mlx5e_tc_detach_mod_hdr(priv, flow, attr); 2071c7b9038dSVlad Buslov } 2072b8aee822SMark Bloch 2073b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 2074777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 207514e6b038SEli Cohen 2076166f431eSAriel Levkovich if (esw_attr->int_port) 2077166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 2078166f431eSAriel Levkovich 207927484f71SAriel Levkovich if (esw_attr->dest_int_port) 208027484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 208127484f71SAriel Levkovich 208214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 208314e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 2084c620b772SAriel Levkovich 2085d13674b1SOz Shlomo mlx5e_tc_act_stats_del_flow(get_act_stats_handle(priv), flow); 2086d13674b1SOz Shlomo 20878300f225SRoi Dayan free_flow_post_acts(flow); 2088f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 2089f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 20908300f225SRoi Dayan 209188d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 209288d97486SRoi Dayan kvfree(attr->parse_attr); 2093c620b772SAriel Levkovich kfree(flow->attr); 2094d85cdccbSOr Gerlitz } 2095d85cdccbSOr Gerlitz 20960d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 2097b8aee822SMark Bloch { 20988300f225SRoi Dayan struct mlx5_flow_attr *attr; 20998300f225SRoi Dayan 21008300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 21018300f225SRoi Dayan return attr->counter; 2102b8aee822SMark Bloch } 2103b8aee822SMark Bloch 21046a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 2105021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 21066a06c2f7SVlad Buslov { 21076a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 21086a06c2f7SVlad Buslov 21096a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 21106a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 21116a06c2f7SVlad Buslov } 21126a06c2f7SVlad Buslov 211304de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 211404de7ddaSRoi Dayan { 211504de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 211604de7ddaSRoi Dayan 2117226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 2118226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 211904de7ddaSRoi Dayan return; 212004de7ddaSRoi Dayan 212104de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 212204de7ddaSRoi Dayan list_del(&flow->peer); 212304de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 212404de7ddaSRoi Dayan 2125226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 212604de7ddaSRoi Dayan 2127eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 212804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 2129a23dae79SRoi Dayan kfree(flow->peer_flow); 2130eb252c3aSRoi Dayan } 2131eb252c3aSRoi Dayan 213204de7ddaSRoi Dayan flow->peer_flow = NULL; 213304de7ddaSRoi Dayan } 213404de7ddaSRoi Dayan 213504de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 213604de7ddaSRoi Dayan { 213704de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 213804de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 213904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 214004de7ddaSRoi Dayan 214104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 214204de7ddaSRoi Dayan if (!peer_esw) 214304de7ddaSRoi Dayan return; 214404de7ddaSRoi Dayan 214504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 214604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 214704de7ddaSRoi Dayan } 214804de7ddaSRoi Dayan 2149e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2150961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2151e8f887acSAmir Vadai { 2152226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 215304de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2154d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 215504de7ddaSRoi Dayan } else { 2156d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2157e8f887acSAmir Vadai } 215804de7ddaSRoi Dayan } 2159e8f887acSAmir Vadai 2160ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2161bbd00f7eSHadar Hen Zion { 2162f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21630a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 21640a7fcb78SPaul Blakey const struct flow_action_entry *act; 21650a7fcb78SPaul Blakey int i; 2166bbd00f7eSHadar Hen Zion 2167ee950e5dSChris Mi if (chain) 2168ee950e5dSChris Mi return false; 2169ee950e5dSChris Mi 21700a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 21710a7fcb78SPaul Blakey switch (act->id) { 21720a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 21730a7fcb78SPaul Blakey return true; 2174ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2175ee950e5dSChris Mi return true; 21760a7fcb78SPaul Blakey default: 21770a7fcb78SPaul Blakey continue; 2178fe1587a7SDmytro Linkin } 21792e72eb43SOr Gerlitz } 2180bbd00f7eSHadar Hen Zion 21810a7fcb78SPaul Blakey return false; 21820a7fcb78SPaul Blakey } 2183bcef735cSOr Gerlitz 21840a7fcb78SPaul Blakey static int 21850a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 21860a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 21870a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 21880a7fcb78SPaul Blakey bool *dont_care) 21890a7fcb78SPaul Blakey { 21900a7fcb78SPaul Blakey struct geneve_opt *opt; 21910a7fcb78SPaul Blakey int off = 0; 2192bcef735cSOr Gerlitz 21930a7fcb78SPaul Blakey *dont_care = true; 2194bcef735cSOr Gerlitz 21950a7fcb78SPaul Blakey while (opts->len > off) { 21960a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2197e98bedf5SEli Britstein 21980a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 21990a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 22000a7fcb78SPaul Blakey *dont_care = false; 22010a7fcb78SPaul Blakey 2202c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2203d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2204c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 22050a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 22060a7fcb78SPaul Blakey netdev_warn(priv->netdev, 22070a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2208e98bedf5SEli Britstein return -EOPNOTSUPP; 2209e98bedf5SEli Britstein } 2210bcef735cSOr Gerlitz } 2211bcef735cSOr Gerlitz 22120a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2213bbd00f7eSHadar Hen Zion } 2214bbd00f7eSHadar Hen Zion 2215bbd00f7eSHadar Hen Zion return 0; 2216bbd00f7eSHadar Hen Zion } 2217bbd00f7eSHadar Hen Zion 22180a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 22190a7fcb78SPaul Blakey ({ \ 22200a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 22210a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 22220a7fcb78SPaul Blakey \ 22230a7fcb78SPaul Blakey memcpy(__dst,\ 22240a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 22250a7fcb78SPaul Blakey diss_key,\ 22260a7fcb78SPaul Blakey __rule->match.key),\ 22270a7fcb78SPaul Blakey sizeof(*__dst));\ 22280a7fcb78SPaul Blakey }) 22290a7fcb78SPaul Blakey 22300a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 22310a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 22320a7fcb78SPaul Blakey struct flow_cls_offload *f, 22330a7fcb78SPaul Blakey struct net_device *filter_dev) 22348377629eSEli Britstein { 22350a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22360a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 22370a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 22380a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2239d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 22400a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2241c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 22420a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 22430a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 22440a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 22450a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 22460a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 22470a7fcb78SPaul Blakey u32 value, mask; 22480a7fcb78SPaul Blakey int err; 22490a7fcb78SPaul Blakey 22500a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 22510a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22520a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 22530a7fcb78SPaul Blakey 22540a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 22550a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 22560a7fcb78SPaul Blakey &tunnel_key.enc_control); 22570a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 22580a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 22590a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 22600a7fcb78SPaul Blakey else 22610a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 22620a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 22630a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 22640a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 22650a7fcb78SPaul Blakey &tunnel_key.enc_tp); 22660a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 22670a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 22680a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 22690a7fcb78SPaul Blakey 22700a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 22710a7fcb78SPaul Blakey if (err) 22720a7fcb78SPaul Blakey return err; 22730a7fcb78SPaul Blakey 22740a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 22750a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 22760a7fcb78SPaul Blakey enc_opts_match.mask, 22770a7fcb78SPaul Blakey extack, 22780a7fcb78SPaul Blakey &enc_opts_is_dont_care); 22790a7fcb78SPaul Blakey if (err) 22800a7fcb78SPaul Blakey goto err_enc_opts; 22810a7fcb78SPaul Blakey 22820a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2283d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2284d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2285d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2286d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2287d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2288d7a42ad0SRoi Dayan 22890a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2290d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 22910a7fcb78SPaul Blakey if (err) 22920a7fcb78SPaul Blakey goto err_enc_opts; 22930a7fcb78SPaul Blakey } 22940a7fcb78SPaul Blakey 22950a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 22960a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 22970a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 22980a7fcb78SPaul Blakey 22990a7fcb78SPaul Blakey if (attr->chain) { 23000a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 23010a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 23020a7fcb78SPaul Blakey } else { 23030a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 23040a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2305aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 23060a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 23070a7fcb78SPaul Blakey if (err) 23080a7fcb78SPaul Blakey goto err_set; 23090a7fcb78SPaul Blakey 23100a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 23110a7fcb78SPaul Blakey } 23120a7fcb78SPaul Blakey 231373a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 23140a7fcb78SPaul Blakey return 0; 23150a7fcb78SPaul Blakey 23160a7fcb78SPaul Blakey err_set: 23170a7fcb78SPaul Blakey if (enc_opts_id) 23180a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 23190a7fcb78SPaul Blakey enc_opts_id); 23200a7fcb78SPaul Blakey err_enc_opts: 23210a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 23220a7fcb78SPaul Blakey return err; 23230a7fcb78SPaul Blakey } 23240a7fcb78SPaul Blakey 23250a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 23260a7fcb78SPaul Blakey { 232773a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 232873a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 23290a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 23300a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 23310a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 23320a7fcb78SPaul Blakey 23330a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 23340a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23350a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 23360a7fcb78SPaul Blakey 23370a7fcb78SPaul Blakey if (tun_id) 23380a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 23390a7fcb78SPaul Blakey if (enc_opts_id) 23400a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 23410a7fcb78SPaul Blakey enc_opts_id); 23420a7fcb78SPaul Blakey } 23430a7fcb78SPaul Blakey 2344fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2345fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2346fca53304SEli Britstein void *headers_c, void *headers_v) 23474a5d5d73SEli Britstein { 2348fca53304SEli Britstein bool ip_version_cap; 2349fca53304SEli Britstein 2350fca53304SEli Britstein ip_version_cap = outer ? 2351fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2352fca53304SEli Britstein ft_field_support.outer_ip_version) : 2353fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2354fca53304SEli Britstein ft_field_support.inner_ip_version); 2355fca53304SEli Britstein 2356fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2357fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2358fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2359fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2360fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2361fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2362fca53304SEli Britstein } else { 23634a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 23644a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 23654a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 23664a5d5d73SEli Britstein ntohs(match->key->n_proto)); 23674a5d5d73SEli Britstein } 2368fca53304SEli Britstein } 23694a5d5d73SEli Britstein 23700d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2371a508728aSVlad Buslov { 2372a508728aSVlad Buslov void *headers_v; 2373a508728aSVlad Buslov u16 ethertype; 2374a508728aSVlad Buslov u8 ip_version; 2375a508728aSVlad Buslov 2376a508728aSVlad Buslov if (outer) 2377a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2378a508728aSVlad Buslov else 2379a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2380a508728aSVlad Buslov 2381a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2382a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2383a508728aSVlad Buslov if (!ip_version) { 2384a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2385a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2386a508728aSVlad Buslov ip_version = 4; 2387a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2388a508728aSVlad Buslov ip_version = 6; 2389a508728aSVlad Buslov } 2390a508728aSVlad Buslov return ip_version; 2391a508728aSVlad Buslov } 2392a508728aSVlad Buslov 2393b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2394b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2395b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2396b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2397b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2398b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2399b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2400b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2401b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2402b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2403b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2404b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2405b6dfff21SPaul Blakey * 2406b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2407b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2408b6dfff21SPaul Blakey * 2409b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2410b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2411b6dfff21SPaul Blakey * 2412b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2413b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2414b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2415b6dfff21SPaul Blakey */ 2416b6dfff21SPaul Blakey 2417b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2418b6dfff21SPaul Blakey struct flow_cls_offload *f, 2419b6dfff21SPaul Blakey bool *match_inner_ecn) 2420b6dfff21SPaul Blakey { 2421b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2422b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2423b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2424b6dfff21SPaul Blakey struct flow_match_ip match; 2425b6dfff21SPaul Blakey 2426b6dfff21SPaul Blakey *match_inner_ecn = true; 2427b6dfff21SPaul Blakey 2428b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2429b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2430b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2431b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2432b6dfff21SPaul Blakey } 2433b6dfff21SPaul Blakey 2434b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2435b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2436b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2437b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2438b6dfff21SPaul Blakey } 2439b6dfff21SPaul Blakey 2440b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2441b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2442b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2443b6dfff21SPaul Blakey return -EOPNOTSUPP; 2444b6dfff21SPaul Blakey } 2445b6dfff21SPaul Blakey 2446b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2447b6dfff21SPaul Blakey if (!inner_ecn_mask) 2448b6dfff21SPaul Blakey return 0; 2449b6dfff21SPaul Blakey 2450b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2451b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2452b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2453b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2454b6dfff21SPaul Blakey return -EOPNOTSUPP; 2455b6dfff21SPaul Blakey } 2456b6dfff21SPaul Blakey 2457b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2458b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2459b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2460b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2461b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2462b6dfff21SPaul Blakey return -EOPNOTSUPP; 2463b6dfff21SPaul Blakey } 2464b6dfff21SPaul Blakey 2465b6dfff21SPaul Blakey if (!inner_ecn_mask) 2466b6dfff21SPaul Blakey return 0; 2467b6dfff21SPaul Blakey 2468b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2469b6dfff21SPaul Blakey 2470b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2471b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2472b6dfff21SPaul Blakey 2473b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2474b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2475b6dfff21SPaul Blakey return -EOPNOTSUPP; 2476b6dfff21SPaul Blakey } 2477b6dfff21SPaul Blakey 2478b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2479b6dfff21SPaul Blakey return 0; 2480b6dfff21SPaul Blakey 2481b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2482b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2483b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2484b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2485b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2486b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2487b6dfff21SPaul Blakey return -EOPNOTSUPP; 2488b6dfff21SPaul Blakey } 2489b6dfff21SPaul Blakey 2490b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2491b6dfff21SPaul Blakey * drop match on inner ecn 2492b6dfff21SPaul Blakey */ 2493b6dfff21SPaul Blakey *match_inner_ecn = false; 2494b6dfff21SPaul Blakey 2495b6dfff21SPaul Blakey return 0; 2496b6dfff21SPaul Blakey } 2497b6dfff21SPaul Blakey 24980a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 24990a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 25000a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 25010a7fcb78SPaul Blakey struct flow_cls_offload *f, 25020a7fcb78SPaul Blakey struct net_device *filter_dev, 25030a7fcb78SPaul Blakey u8 *match_level, 25040a7fcb78SPaul Blakey bool *match_inner) 25050a7fcb78SPaul Blakey { 2506a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 25070a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25080a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 25090a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 25100a7fcb78SPaul Blakey int err; 25110a7fcb78SPaul Blakey 25120885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 25130885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 25140a7fcb78SPaul Blakey return -EOPNOTSUPP; 25150885ae1aSAbhiram R N } 25160a7fcb78SPaul Blakey 2517c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2518ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 25190a7fcb78SPaul Blakey *match_inner = !needs_mapping; 25200a7fcb78SPaul Blakey 25210a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2522636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2523c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2524636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 25250a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2526636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 25270a7fcb78SPaul Blakey return -EOPNOTSUPP; 25280a7fcb78SPaul Blakey } 25290a7fcb78SPaul Blakey 2530c620b772SAriel Levkovich if (!flow->attr->chain) { 25310a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 25320a7fcb78SPaul Blakey match_level); 25330a7fcb78SPaul Blakey if (err) { 25340a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 25350a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 25360a7fcb78SPaul Blakey netdev_warn(priv->netdev, 25370a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 25380a7fcb78SPaul Blakey return err; 25390a7fcb78SPaul Blakey } 25400a7fcb78SPaul Blakey 254114e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 254214e6b038SEli Cohen * object 254314e6b038SEli Cohen */ 254414e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2545c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2546a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2547a508728aSVlad Buslov if (err) 2548a508728aSVlad Buslov return err; 2549521933cdSMaor Dickman } else if (tunnel) { 2550a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2551a508728aSVlad Buslov 2552a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2553a508728aSVlad Buslov if (!tmp_spec) { 2554521933cdSMaor Dickman NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for tunnel tmp spec"); 2555521933cdSMaor Dickman netdev_warn(priv->netdev, "Failed to allocate memory for tunnel tmp spec"); 2556a508728aSVlad Buslov return -ENOMEM; 2557a508728aSVlad Buslov } 2558a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2559a508728aSVlad Buslov 2560a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2561a508728aSVlad Buslov if (err) { 2562a508728aSVlad Buslov kvfree(tmp_spec); 2563a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2564a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2565a508728aSVlad Buslov return err; 2566a508728aSVlad Buslov } 2567a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2568a508728aSVlad Buslov kvfree(tmp_spec); 2569a508728aSVlad Buslov if (err) 2570a508728aSVlad Buslov return err; 25710a7fcb78SPaul Blakey } 25720a7fcb78SPaul Blakey 25730a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 25740a7fcb78SPaul Blakey return 0; 25750a7fcb78SPaul Blakey 25760a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 25770a7fcb78SPaul Blakey } 25780a7fcb78SPaul Blakey 25790a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 25800a7fcb78SPaul Blakey { 25810a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 25820a7fcb78SPaul Blakey inner_headers); 25830a7fcb78SPaul Blakey } 25840a7fcb78SPaul Blakey 25850a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 25860a7fcb78SPaul Blakey { 25870a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 25880a7fcb78SPaul Blakey inner_headers); 25890a7fcb78SPaul Blakey } 25900a7fcb78SPaul Blakey 25910a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 25920a7fcb78SPaul Blakey { 25930a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 25940a7fcb78SPaul Blakey outer_headers); 25950a7fcb78SPaul Blakey } 25960a7fcb78SPaul Blakey 25970a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 25980a7fcb78SPaul Blakey { 25990a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 26008377629eSEli Britstein outer_headers); 26018377629eSEli Britstein } 26028377629eSEli Britstein 26038ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 26048377629eSEli Britstein { 26058377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26060a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 26070a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 26080a7fcb78SPaul Blakey } 26090a7fcb78SPaul Blakey 26108ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 26110a7fcb78SPaul Blakey { 26120a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26130a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 26140a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 26158377629eSEli Britstein } 26168377629eSEli Britstein 26176d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 26186d65bc64Swenxu struct flow_cls_offload *f) 26196d65bc64Swenxu { 26206d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26216d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 26226d65bc64Swenxu struct net_device *ingress_dev; 26236d65bc64Swenxu struct flow_match_meta match; 26246d65bc64Swenxu 26256d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 26266d65bc64Swenxu return 0; 26276d65bc64Swenxu 26286d65bc64Swenxu flow_rule_match_meta(rule, &match); 2629e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2630e3e0f9b2Swenxu return 0; 2631e3e0f9b2Swenxu 26326d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 26336d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2634a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 26356d65bc64Swenxu } 26366d65bc64Swenxu 26376d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 26386d65bc64Swenxu match.key->ingress_ifindex); 26396d65bc64Swenxu if (!ingress_dev) { 26406d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 26416d65bc64Swenxu "Can't find the ingress port to match on"); 2642a683012aSPablo Neira Ayuso return -ENOENT; 26436d65bc64Swenxu } 26446d65bc64Swenxu 26456d65bc64Swenxu if (ingress_dev != filter_dev) { 26466d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 26476d65bc64Swenxu "Can't match on the ingress filter port"); 2648a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 26496d65bc64Swenxu } 26506d65bc64Swenxu 26516d65bc64Swenxu return 0; 26526d65bc64Swenxu } 26536d65bc64Swenxu 265472046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 265572046a91SEli Cohen struct flow_cls_offload *f) 265672046a91SEli Cohen { 265772046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 265872046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 265972046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 266072046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 266172046a91SEli Cohen */ 266272046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 266372046a91SEli Cohen return true; 266472046a91SEli Cohen 266572046a91SEli Cohen return false; 266672046a91SEli Cohen } 266772046a91SEli Cohen 2668de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 26690a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2670de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2671f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 267254c177caSOz Shlomo struct net_device *filter_dev, 267393b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2674e3a2b7edSAmir Vadai { 2675e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2676c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2677c5bb1730SMaor Gottlieb outer_headers); 2678c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2679c5bb1730SMaor Gottlieb outer_headers); 2680699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2681699e96ddSJianbo Liu misc_parameters); 2682699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2683699e96ddSJianbo Liu misc_parameters); 2684a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2685a3222a2dSMaor Dickman misc_parameters_3); 2686a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2687a3222a2dSMaor Dickman misc_parameters_3); 2688f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26898f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2690afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2691b6dfff21SPaul Blakey bool match_inner_ecn = true; 2692e3a2b7edSAmir Vadai u16 addr_type = 0; 2693e3a2b7edSAmir Vadai u8 ip_proto = 0; 269493b3586eSHuy Nguyen u8 *match_level; 26956d65bc64Swenxu int err; 2696e3a2b7edSAmir Vadai 2697afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 269893b3586eSHuy Nguyen match_level = outer_match_level; 2699de0af0bfSRoi Dayan 27008f256622SPablo Neira Ayuso if (dissector->used_keys & 27013d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 27023d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2703e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2704e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2705095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2706699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2707e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2708e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2709bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2710bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2711bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2712bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2713bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2714e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2715fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2716bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 27174c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 27189272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 271972046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2720a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 272172046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2722e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 272348470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 27248f256622SPablo Neira Ayuso dissector->used_keys); 2725e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2726e3a2b7edSAmir Vadai } 2727e3a2b7edSAmir Vadai 2728075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 27290a7fcb78SPaul Blakey bool match_inner = false; 2730bbd00f7eSHadar Hen Zion 27310a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 27320a7fcb78SPaul Blakey outer_match_level, &match_inner); 27330a7fcb78SPaul Blakey if (err) 27340a7fcb78SPaul Blakey return err; 27350a7fcb78SPaul Blakey 27360a7fcb78SPaul Blakey if (match_inner) { 27370a7fcb78SPaul Blakey /* header pointers should point to the inner headers 27380a7fcb78SPaul Blakey * if the packet was decapsulated already. 27390a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2740bbd00f7eSHadar Hen Zion */ 274193b3586eSHuy Nguyen match_level = inner_match_level; 27420a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 27430a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 27440a7fcb78SPaul Blakey } 2745b6dfff21SPaul Blakey 2746b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2747b6dfff21SPaul Blakey if (err) 2748b6dfff21SPaul Blakey return err; 2749bbd00f7eSHadar Hen Zion } 2750bbd00f7eSHadar Hen Zion 27516d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 27526d65bc64Swenxu if (err) 27536d65bc64Swenxu return err; 27546d65bc64Swenxu 275572046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 275672046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 27578f256622SPablo Neira Ayuso struct flow_match_basic match; 2758e3a2b7edSAmir Vadai 27598f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2760fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2761fca53304SEli Britstein match_level == outer_match_level, 2762fca53304SEli Britstein headers_c, headers_v); 27638f256622SPablo Neira Ayuso 27648f256622SPablo Neira Ayuso if (match.mask->n_proto) 2765d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2766e3a2b7edSAmir Vadai } 276735a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 276835a605dbSEli Britstein is_vlan_dev(filter_dev)) { 276935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 277035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 27718f256622SPablo Neira Ayuso struct flow_match_vlan match; 27728f256622SPablo Neira Ayuso 277335a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 277435a605dbSEli Britstein match.key = &filter_dev_key; 277535a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 277635a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 277735a605dbSEli Britstein match.key->vlan_priority = 0; 277835a605dbSEli Britstein match.mask = &filter_dev_mask; 277935a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 278035a605dbSEli Britstein match.mask->vlan_priority = 0; 278135a605dbSEli Britstein } else { 27828f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 278335a605dbSEli Britstein } 27848f256622SPablo Neira Ayuso if (match.mask->vlan_id || 27858f256622SPablo Neira Ayuso match.mask->vlan_priority || 27868f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 27878f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2788699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2789699e96ddSJianbo Liu svlan_tag, 1); 2790699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2791699e96ddSJianbo Liu svlan_tag, 1); 2792699e96ddSJianbo Liu } else { 2793699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2794699e96ddSJianbo Liu cvlan_tag, 1); 2795699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2796699e96ddSJianbo Liu cvlan_tag, 1); 2797699e96ddSJianbo Liu } 2798095b6cfdSOr Gerlitz 27998f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 28008f256622SPablo Neira Ayuso match.mask->vlan_id); 28018f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 28028f256622SPablo Neira Ayuso match.key->vlan_id); 2803358d79a4SOr Gerlitz 28048f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 28058f256622SPablo Neira Ayuso match.mask->vlan_priority); 28068f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 28078f256622SPablo Neira Ayuso match.key->vlan_priority); 280854782900SOr Gerlitz 2809d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2810ada09af9SVlad Buslov 2811ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2812ada09af9SVlad Buslov match.mask->vlan_eth_type && 2813ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2814ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2815ada09af9SVlad Buslov fs_type)) { 2816ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2817ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2818ada09af9SVlad Buslov spec->match_criteria_enable |= 2819ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2820ada09af9SVlad Buslov } 2821095b6cfdSOr Gerlitz } 2822d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2823fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2824fc603294SMark Bloch * disabled in match value means both S & C tags 2825fc603294SMark Bloch * don't exist (untagged of both) 2826fc603294SMark Bloch */ 2827cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2828d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2829095b6cfdSOr Gerlitz } 2830095b6cfdSOr Gerlitz 28318f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 28328f256622SPablo Neira Ayuso struct flow_match_vlan match; 28338f256622SPablo Neira Ayuso 283412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 28358f256622SPablo Neira Ayuso if (match.mask->vlan_id || 28368f256622SPablo Neira Ayuso match.mask->vlan_priority || 28378f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2838afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2839afe93f71SRoi Dayan fs_type)) { 2840afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2841afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2842afe93f71SRoi Dayan return -EOPNOTSUPP; 2843afe93f71SRoi Dayan } 2844afe93f71SRoi Dayan 28458f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2846699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2847699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2848699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2849699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2850699e96ddSJianbo Liu } else { 2851699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2852699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2853699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2854699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2855699e96ddSJianbo Liu } 2856699e96ddSJianbo Liu 2857699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 28588f256622SPablo Neira Ayuso match.mask->vlan_id); 2859699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 28608f256622SPablo Neira Ayuso match.key->vlan_id); 2861699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 28628f256622SPablo Neira Ayuso match.mask->vlan_priority); 2863699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 28648f256622SPablo Neira Ayuso match.key->vlan_priority); 2865699e96ddSJianbo Liu 2866699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 28670faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2868699e96ddSJianbo Liu } 2869699e96ddSJianbo Liu } 2870699e96ddSJianbo Liu 28718f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 28728f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 287354782900SOr Gerlitz 28748f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2875d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2876d3a80bb5SOr Gerlitz dmac_47_16), 28778f256622SPablo Neira Ayuso match.mask->dst); 2878d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2879d3a80bb5SOr Gerlitz dmac_47_16), 28808f256622SPablo Neira Ayuso match.key->dst); 2881d3a80bb5SOr Gerlitz 2882d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2883d3a80bb5SOr Gerlitz smac_47_16), 28848f256622SPablo Neira Ayuso match.mask->src); 2885d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2886d3a80bb5SOr Gerlitz smac_47_16), 28878f256622SPablo Neira Ayuso match.key->src); 2888d3a80bb5SOr Gerlitz 28898f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 28908f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2891d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 289254782900SOr Gerlitz } 289354782900SOr Gerlitz 28948f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 28958f256622SPablo Neira Ayuso struct flow_match_control match; 289654782900SOr Gerlitz 28978f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 28988f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 289954782900SOr Gerlitz 290054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 29010885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 29020885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 290354782900SOr Gerlitz return -EOPNOTSUPP; 29040885ae1aSAbhiram R N } 290554782900SOr Gerlitz 29068f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 290754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 290854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 29098f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 291054782900SOr Gerlitz 291154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 29128f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 291383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 291454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 291554782900SOr Gerlitz else 291683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 291754782900SOr Gerlitz } 291854782900SOr Gerlitz } 291954782900SOr Gerlitz 29208f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 29218f256622SPablo Neira Ayuso struct flow_match_basic match; 29228f256622SPablo Neira Ayuso 29238f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 29248f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 292554782900SOr Gerlitz 292654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 29278f256622SPablo Neira Ayuso match.mask->ip_proto); 292854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 29298f256622SPablo Neira Ayuso match.key->ip_proto); 293054782900SOr Gerlitz 29318f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2932d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 293354782900SOr Gerlitz } 293454782900SOr Gerlitz 2935e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 29368f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2937e3a2b7edSAmir Vadai 29388f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2939e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2940e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 29418f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2942e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2943e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 29448f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2945e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2946e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 29478f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2948e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2949e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 29508f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2951de0af0bfSRoi Dayan 29528f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2953d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2954e3a2b7edSAmir Vadai } 2955e3a2b7edSAmir Vadai 2956e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 29578f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2958e3a2b7edSAmir Vadai 29598f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2960e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2961e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 29628f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2963e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2964e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 29658f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2966e3a2b7edSAmir Vadai 2967e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2968e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 29698f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2970e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2971e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 29728f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2973de0af0bfSRoi Dayan 29748f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 29758f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2976d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2977e3a2b7edSAmir Vadai } 2978e3a2b7edSAmir Vadai 29798f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 29808f256622SPablo Neira Ayuso struct flow_match_ip match; 29811f97a526SOr Gerlitz 29828f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2983b6dfff21SPaul Blakey if (match_inner_ecn) { 29848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 29858f256622SPablo Neira Ayuso match.mask->tos & 0x3); 29868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 29878f256622SPablo Neira Ayuso match.key->tos & 0x3); 2988b6dfff21SPaul Blakey } 29891f97a526SOr Gerlitz 29908f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 29918f256622SPablo Neira Ayuso match.mask->tos >> 2); 29928f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 29938f256622SPablo Neira Ayuso match.key->tos >> 2); 29941f97a526SOr Gerlitz 29958f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 29968f256622SPablo Neira Ayuso match.mask->ttl); 29978f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 29988f256622SPablo Neira Ayuso match.key->ttl); 29991f97a526SOr Gerlitz 30008f256622SPablo Neira Ayuso if (match.mask->ttl && 3001a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3002e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 3003e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3004e98bedf5SEli Britstein "Matching on TTL is not supported"); 30051f97a526SOr Gerlitz return -EOPNOTSUPP; 3006e98bedf5SEli Britstein } 3007a8ade55fSOr Gerlitz 30088f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 3009d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 30101f97a526SOr Gerlitz } 30111f97a526SOr Gerlitz 301254782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 301354782900SOr Gerlitz 30148f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 30158f256622SPablo Neira Ayuso struct flow_match_ports match; 30168f256622SPablo Neira Ayuso 30178f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 3018e3a2b7edSAmir Vadai switch (ip_proto) { 3019e3a2b7edSAmir Vadai case IPPROTO_TCP: 3020e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30218f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 3022e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30238f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 3024e3a2b7edSAmir Vadai 3025e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30268f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 3027e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30288f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 3029e3a2b7edSAmir Vadai break; 3030e3a2b7edSAmir Vadai 3031e3a2b7edSAmir Vadai case IPPROTO_UDP: 3032e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30338f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 3034e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30358f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 3036e3a2b7edSAmir Vadai 3037e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30388f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 3039e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 30408f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 3041e3a2b7edSAmir Vadai break; 3042e3a2b7edSAmir Vadai default: 3043e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3044e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 3045e3a2b7edSAmir Vadai netdev_err(priv->netdev, 3046e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 3047e3a2b7edSAmir Vadai return -EINVAL; 3048e3a2b7edSAmir Vadai } 3049de0af0bfSRoi Dayan 30508f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 3051d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3052e3a2b7edSAmir Vadai } 3053e3a2b7edSAmir Vadai 30548f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 30558f256622SPablo Neira Ayuso struct flow_match_tcp match; 3056e77834ecSOr Gerlitz 30578f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 3058e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 30598f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 3060e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 30618f256622SPablo Neira Ayuso ntohs(match.key->flags)); 3062e77834ecSOr Gerlitz 30638f256622SPablo Neira Ayuso if (match.mask->flags) 3064d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3065e77834ecSOr Gerlitz } 3066a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 3067a3222a2dSMaor Dickman struct flow_match_icmp match; 3068e77834ecSOr Gerlitz 3069a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 3070a3222a2dSMaor Dickman switch (ip_proto) { 3071a3222a2dSMaor Dickman case IPPROTO_ICMP: 3072a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 30730885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 30740885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30750885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 3076a3222a2dSMaor Dickman return -EOPNOTSUPP; 30770885ae1aSAbhiram R N } 3078a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 3079a3222a2dSMaor Dickman match.mask->type); 3080a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 3081a3222a2dSMaor Dickman match.key->type); 3082a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 3083a3222a2dSMaor Dickman match.mask->code); 3084a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 3085a3222a2dSMaor Dickman match.key->code); 3086a3222a2dSMaor Dickman break; 3087a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 3088a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 30890885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 30900885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 30910885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 3092a3222a2dSMaor Dickman return -EOPNOTSUPP; 30930885ae1aSAbhiram R N } 3094a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 3095a3222a2dSMaor Dickman match.mask->type); 3096a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 3097a3222a2dSMaor Dickman match.key->type); 3098a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 3099a3222a2dSMaor Dickman match.mask->code); 3100a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 3101a3222a2dSMaor Dickman match.key->code); 3102a3222a2dSMaor Dickman break; 3103a3222a2dSMaor Dickman default: 3104a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 3105a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 3106a3222a2dSMaor Dickman netdev_err(priv->netdev, 3107a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 3108a3222a2dSMaor Dickman return -EINVAL; 3109a3222a2dSMaor Dickman } 3110a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 3111a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 3112a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 3113a3222a2dSMaor Dickman } 3114a3222a2dSMaor Dickman } 311539c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 31167d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 31177d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 31187d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 31197d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 31207d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 31217d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 31227d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 31237d6c86e3SAlaa Hleihel } 31247d6c86e3SAlaa Hleihel 3125e3a2b7edSAmir Vadai return 0; 3126e3a2b7edSAmir Vadai } 3127e3a2b7edSAmir Vadai 3128de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 312965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3130de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3131f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 313254c177caSOz Shlomo struct net_device *filter_dev) 3133de0af0bfSRoi Dayan { 313493b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3135e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3136de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3137de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 31381d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 31391d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3140226f2ca3SVlad Buslov bool is_eswitch_flow; 3141de0af0bfSRoi Dayan int err; 3142de0af0bfSRoi Dayan 314393b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 314493b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 314593b3586eSHuy Nguyen 31460a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 31470a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 314893b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 314993b3586eSHuy Nguyen outer_match_level : inner_match_level; 3150de0af0bfSRoi Dayan 3151226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3152226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 31531d447a39SSaeed Mahameed rep = rpriv->rep; 3154b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 31551d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 315693b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3157e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3158e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3159de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3160de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 316193b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3162de0af0bfSRoi Dayan return -EOPNOTSUPP; 3163de0af0bfSRoi Dayan } 3164de0af0bfSRoi Dayan } 3165de0af0bfSRoi Dayan 3166c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3167c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3168c620b772SAriel Levkovich 316938aa51c1SOr Gerlitz 3170de0af0bfSRoi Dayan return err; 3171de0af0bfSRoi Dayan } 3172de0af0bfSRoi Dayan 3173d79b6df6SOr Gerlitz struct mlx5_fields { 3174d79b6df6SOr Gerlitz u8 field; 317588f30bbcSDmytro Linkin u8 field_bsize; 317688f30bbcSDmytro Linkin u32 field_mask; 3177d79b6df6SOr Gerlitz u32 offset; 317827c11b6bSEli Britstein u32 match_offset; 3179d79b6df6SOr Gerlitz }; 3180d79b6df6SOr Gerlitz 318188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 318288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 318327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 318427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 318527c11b6bSEli Britstein 31862ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 31872ef86872SEli Britstein * match. 31882ef86872SEli Britstein */ 31892ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 31902ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 31912ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 31922ef86872SEli Britstein type maskx = *(type *)(maskp); \ 31932ef86872SEli Britstein type valx = *(type *)(valp); \ 31942ef86872SEli Britstein \ 31952ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 31962ef86872SEli Britstein matchmaskx)); \ 31972ef86872SEli Britstein }) 31982ef86872SEli Britstein 319927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 320088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 320127c11b6bSEli Britstein { 320227c11b6bSEli Britstein bool same = false; 320327c11b6bSEli Britstein 320488f30bbcSDmytro Linkin switch (bsize) { 320588f30bbcSDmytro Linkin case 8: 32062ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 320727c11b6bSEli Britstein break; 320888f30bbcSDmytro Linkin case 16: 32092ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 321027c11b6bSEli Britstein break; 321188f30bbcSDmytro Linkin case 32: 32122ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 321327c11b6bSEli Britstein break; 321427c11b6bSEli Britstein } 321527c11b6bSEli Britstein 321627c11b6bSEli Britstein return same; 321727c11b6bSEli Britstein } 3218a8e4f0c4SOr Gerlitz 3219d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 322088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 322188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 322288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 322388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 322488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 322588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3226d79b6df6SOr Gerlitz 3227ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 322888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 322988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 323088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3231d79b6df6SOr Gerlitz 323288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 323327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 323488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 323527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 323688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 323727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 323888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 323927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 324088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 324127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 324288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 324327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 324488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 324527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 324688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 324727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 324888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3249748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3250d79b6df6SOr Gerlitz 325188f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 325288f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 325388f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 325488f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3255d79b6df6SOr Gerlitz 325688f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 325788f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3258d79b6df6SOr Gerlitz }; 3259d79b6df6SOr Gerlitz 326082198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 326182198d8bSMaor Dickman { 326282198d8bSMaor Dickman __be32 mask_be32; 326382198d8bSMaor Dickman __be16 mask_be16; 326482198d8bSMaor Dickman 326582198d8bSMaor Dickman if (size == 32) { 326682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 326782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 326882198d8bSMaor Dickman } else if (size == 16) { 326982198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 327082198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 327182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 327282198d8bSMaor Dickman } 327382198d8bSMaor Dickman 327482198d8bSMaor Dickman return mask; 327582198d8bSMaor Dickman } 327609bf9792SRoi Dayan 32776ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 32786ae4a6a5SPaul Blakey int namespace, 3279e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 328027c11b6bSEli Britstein u32 *action_flags, 3281e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3282d79b6df6SOr Gerlitz { 3283d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 328409bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 328588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 328688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 32876ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 328882198d8bSMaor Dickman unsigned long mask, field_mask; 32892c0e5cf5SPaul Blakey int i, first, last, next_z; 32902c0e5cf5SPaul Blakey struct mlx5_fields *f; 329188f30bbcSDmytro Linkin u8 cmd; 329288f30bbcSDmytro Linkin 32936ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 32948ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 32958ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3296d79b6df6SOr Gerlitz 329773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 329873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 329973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 330073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3301d79b6df6SOr Gerlitz 3302d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 330327c11b6bSEli Britstein bool skip; 330427c11b6bSEli Britstein 3305d79b6df6SOr Gerlitz f = &fields[i]; 3306d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3307e3ca4e05SOr Gerlitz s_mask = 0; 3308e3ca4e05SOr Gerlitz a_mask = 0; 3309d79b6df6SOr Gerlitz 3310d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3311d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3312d79b6df6SOr Gerlitz 331388f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 331488f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3315d79b6df6SOr Gerlitz 3316d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3317d79b6df6SOr Gerlitz continue; 3318d79b6df6SOr Gerlitz 3319d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3320e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3321e98bedf5SEli Britstein "can't set and add to the same HW field"); 332261b6a6c3SCai Huoqing netdev_warn(priv->netdev, 332361b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 332461b6a6c3SCai Huoqing f->field); 3325d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3326d79b6df6SOr Gerlitz } 3327d79b6df6SOr Gerlitz 332827c11b6bSEli Britstein skip = false; 3329d79b6df6SOr Gerlitz if (s_mask) { 333027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 333127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 333227c11b6bSEli Britstein 3333d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3334d79b6df6SOr Gerlitz mask = s_mask; 3335d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 333627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 333727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 333888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 333927c11b6bSEli Britstein skip = true; 3340d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 334188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3342d79b6df6SOr Gerlitz } else { 3343d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3344d79b6df6SOr Gerlitz mask = a_mask; 3345d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 334627c11b6bSEli Britstein /* add 0 is no change */ 334788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 334827c11b6bSEli Britstein skip = true; 3349d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 335088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3351d79b6df6SOr Gerlitz } 335227c11b6bSEli Britstein if (skip) 335327c11b6bSEli Britstein continue; 3354d79b6df6SOr Gerlitz 335582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 33562b64bebaSOr Gerlitz 335788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 335888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 335988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 33602b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3361e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3362e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 336361b6a6c3SCai Huoqing netdev_warn(priv->netdev, 336461b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3365d79b6df6SOr Gerlitz mask); 3366d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3367d79b6df6SOr Gerlitz } 3368d79b6df6SOr Gerlitz 33692c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 33702c0e5cf5SPaul Blakey if (IS_ERR(action)) { 33716ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33726ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 33736ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 33746ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 33756ae4a6a5SPaul Blakey mod_acts->num_actions); 33762c0e5cf5SPaul Blakey return PTR_ERR(action); 33776ae4a6a5SPaul Blakey } 33786ae4a6a5SPaul Blakey 3379d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3380d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3381d79b6df6SOr Gerlitz 3382d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 338388f30bbcSDmytro Linkin int start; 338488f30bbcSDmytro Linkin 338582198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 338682198d8bSMaor Dickman 338788f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 338882198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 338988f30bbcSDmytro Linkin 339088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3391d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 33922b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3393d79b6df6SOr Gerlitz } 3394d79b6df6SOr Gerlitz 339588f30bbcSDmytro Linkin if (f->field_bsize == 32) 33962b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 339788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 33982b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 339988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 34002b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3401d79b6df6SOr Gerlitz 34026ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3403d79b6df6SOr Gerlitz } 3404d79b6df6SOr Gerlitz 3405d79b6df6SOr Gerlitz return 0; 3406d79b6df6SOr Gerlitz } 3407d79b6df6SOr Gerlitz 3408d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3409d79b6df6SOr Gerlitz 3410918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3411c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3412c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3413c500c86bSPablo Neira Ayuso { 3414c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3415c500c86bSPablo Neira Ayuso u8 cmd; 3416c500c86bSPablo Neira Ayuso 3417d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 341809bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3419d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 342009bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3421b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3422d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3423d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3424918ed7bfSRoi Dayan return -EOPNOTSUPP; 3425918ed7bfSRoi Dayan } 3426918ed7bfSRoi Dayan } 3427918ed7bfSRoi Dayan 3428918ed7bfSRoi Dayan return 0; 3429918ed7bfSRoi Dayan } 3430918ed7bfSRoi Dayan 3431918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3432918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3433918ed7bfSRoi Dayan u32 *action_flags, 3434918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3435918ed7bfSRoi Dayan { 3436918ed7bfSRoi Dayan int err; 3437918ed7bfSRoi Dayan 3438918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3439918ed7bfSRoi Dayan if (err) 3440d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3441918ed7bfSRoi Dayan 3442918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3443918ed7bfSRoi Dayan if (err) 3444918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3445d79b6df6SOr Gerlitz 3446d79b6df6SOr Gerlitz return 0; 3447d79b6df6SOr Gerlitz 3448d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 34492c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3450d79b6df6SOr Gerlitz return err; 3451d79b6df6SOr Gerlitz } 3452d79b6df6SOr Gerlitz 34538998576bSDmytro Linkin struct ip_ttl_word { 34548998576bSDmytro Linkin __u8 ttl; 34558998576bSDmytro Linkin __u8 protocol; 34568998576bSDmytro Linkin __sum16 check; 34578998576bSDmytro Linkin }; 34588998576bSDmytro Linkin 34598998576bSDmytro Linkin struct ipv6_hoplimit_word { 34608998576bSDmytro Linkin __be16 payload_len; 34618998576bSDmytro Linkin __u8 nexthdr; 34628998576bSDmytro Linkin __u8 hop_limit; 34638998576bSDmytro Linkin }; 34648998576bSDmytro Linkin 34651836d780SRoi Dayan static bool 34661836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 34671836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 34684c3844d9SPaul Blakey struct netlink_ext_ack *extack) 34698998576bSDmytro Linkin { 34708998576bSDmytro Linkin u32 mask, offset; 34718998576bSDmytro Linkin u8 htype; 34728998576bSDmytro Linkin 34738998576bSDmytro Linkin htype = act->mangle.htype; 34748998576bSDmytro Linkin offset = act->mangle.offset; 34758998576bSDmytro Linkin mask = ~act->mangle.mask; 34768998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 34778998576bSDmytro Linkin * to determine that modified fields 34788998576bSDmytro Linkin * are NOT ttl & hop_limit only. 34798998576bSDmytro Linkin */ 34808998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 34818998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 34828998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 34838998576bSDmytro Linkin 34848998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 34858998576bSDmytro Linkin ttl_word->protocol || 34868998576bSDmytro Linkin ttl_word->check) { 34874c3844d9SPaul Blakey *modify_ip_header = true; 34884c3844d9SPaul Blakey } 34894c3844d9SPaul Blakey 34907e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 34917e36feebSPaul Blakey *modify_tuple = true; 34927e36feebSPaul Blakey 34937e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 34944c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34954c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 34961836d780SRoi Dayan return false; 34978998576bSDmytro Linkin } 34988998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 34998998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 35008998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 35018998576bSDmytro Linkin 35028998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 35038998576bSDmytro Linkin hoplimit_word->payload_len || 35048998576bSDmytro Linkin hoplimit_word->nexthdr) { 35054c3844d9SPaul Blakey *modify_ip_header = true; 35068998576bSDmytro Linkin } 35074c3844d9SPaul Blakey 35087e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 35097e36feebSPaul Blakey *modify_tuple = true; 35107e36feebSPaul Blakey 35117e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35124c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35134c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 35141836d780SRoi Dayan return false; 35158998576bSDmytro Linkin } 35167e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 35177e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 35187e36feebSPaul Blakey *modify_tuple = true; 35197e36feebSPaul Blakey if (ct_flow) { 35204c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35214c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 35221836d780SRoi Dayan return false; 35234c3844d9SPaul Blakey } 35247e36feebSPaul Blakey } 35254c3844d9SPaul Blakey 35261836d780SRoi Dayan return true; 35278998576bSDmytro Linkin } 35288998576bSDmytro Linkin 352996b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 353096b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 353196b5b458SDima Chumak struct mlx5e_priv *priv, 353296b5b458SDima Chumak struct mlx5_flow_spec *spec) 353396b5b458SDima Chumak { 353496b5b458SDima Chumak if (!modify_tuple || ct_clear) 353596b5b458SDima Chumak return true; 353696b5b458SDima Chumak 353796b5b458SDima Chumak if (ct_flow) { 353896b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 353996b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 354096b5b458SDima Chumak netdev_info(priv->netdev, 354196b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 354296b5b458SDima Chumak return false; 354396b5b458SDima Chumak } 354496b5b458SDima Chumak 354596b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 354696b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 354796b5b458SDima Chumak * we can't restore ct state 354896b5b458SDima Chumak */ 354996b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 355096b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 355196b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 355296b5b458SDima Chumak netdev_info(priv->netdev, 355396b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 355496b5b458SDima Chumak return false; 355596b5b458SDima Chumak } 355696b5b458SDima Chumak 355796b5b458SDima Chumak return true; 355896b5b458SDima Chumak } 355996b5b458SDima Chumak 35603d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 35613d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 356273867881SPablo Neira Ayuso struct flow_action *flow_action, 35634c3844d9SPaul Blakey u32 actions, bool ct_flow, 35647e36feebSPaul Blakey bool ct_clear, 3565e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3566bdd66ac0SOr Gerlitz { 356773867881SPablo Neira Ayuso const struct flow_action_entry *act; 35687e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3569fca53304SEli Britstein void *headers_c; 3570bdd66ac0SOr Gerlitz void *headers_v; 3571bdd66ac0SOr Gerlitz u16 ethertype; 35728998576bSDmytro Linkin u8 ip_proto; 35731836d780SRoi Dayan int i; 3574bdd66ac0SOr Gerlitz 35758ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 35768ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3577bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3578bdd66ac0SOr Gerlitz 3579bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3580fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3581fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3582bdd66ac0SOr Gerlitz goto out_ok; 3583bdd66ac0SOr Gerlitz 3584bdd66ac0SOr Gerlitz modify_ip_header = false; 35857e36feebSPaul Blakey modify_tuple = false; 358673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 358773867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 358873867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3589bdd66ac0SOr Gerlitz continue; 3590bdd66ac0SOr Gerlitz 35911836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 35927e36feebSPaul Blakey &modify_ip_header, 35931836d780SRoi Dayan &modify_tuple, extack)) 35941836d780SRoi Dayan return false; 3595bdd66ac0SOr Gerlitz } 3596bdd66ac0SOr Gerlitz 359796b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 359896b5b458SDima Chumak priv, spec)) 35997e36feebSPaul Blakey return false; 36007e36feebSPaul Blakey 3601bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 36021ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 36031ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3604e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3605e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 36063d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 36073d486ec4SOz Shlomo ip_proto); 3608bdd66ac0SOr Gerlitz return false; 3609bdd66ac0SOr Gerlitz } 3610bdd66ac0SOr Gerlitz 3611bdd66ac0SOr Gerlitz out_ok: 3612bdd66ac0SOr Gerlitz return true; 3613bdd66ac0SOr Gerlitz } 3614bdd66ac0SOr Gerlitz 36159c1d3511SRoi Dayan static bool 36169c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 36179c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 36189c1d3511SRoi Dayan struct netlink_ext_ack *extack) 36199c1d3511SRoi Dayan { 3620d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 36219c1d3511SRoi Dayan bool ct_flow, ct_clear; 36229c1d3511SRoi Dayan 36239c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 36249c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 36259c1d3511SRoi Dayan 3626d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3627d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 36289c1d3511SRoi Dayan /* All registers used by ct are cleared when using 36299c1d3511SRoi Dayan * split rules. 36309c1d3511SRoi Dayan */ 36319c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 36329c1d3511SRoi Dayan return false; 36339c1d3511SRoi Dayan } 36349c1d3511SRoi Dayan 3635d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3636d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3637d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3638d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3639d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3640d4f401d9SRoi Dayan return false; 3641d4f401d9SRoi Dayan } 3642d4f401d9SRoi Dayan 36439c1d3511SRoi Dayan return true; 36449c1d3511SRoi Dayan } 36459c1d3511SRoi Dayan 36469c1d3511SRoi Dayan static bool 36479c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 364873867881SPablo Neira Ayuso struct flow_action *flow_action, 36490610f8dcSRoi Dayan u32 actions, 3650bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3651e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3652e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3653bdd66ac0SOr Gerlitz { 36549c1d3511SRoi Dayan bool ct_flow, ct_clear; 3655bdd66ac0SOr Gerlitz 36569c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3657a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3658c620b772SAriel Levkovich 36599c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 36609c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 36619c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 366249397b80SDan Carpenter return false; 3663bdd66ac0SOr Gerlitz 36649c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 3665b97653d8SRoi Dayan !actions_match_supported_fdb(priv, flow, extack)) 36669c1d3511SRoi Dayan return false; 3667bdd66ac0SOr Gerlitz 3668bdd66ac0SOr Gerlitz return true; 3669bdd66ac0SOr Gerlitz } 3670bdd66ac0SOr Gerlitz 367132134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 367232134847SMaor Dickman { 367332134847SMaor Dickman return priv->mdev == peer_priv->mdev; 367432134847SMaor Dickman } 367532134847SMaor Dickman 3676ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 36775c65c564SOr Gerlitz { 36785c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3679816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 36805c65c564SOr Gerlitz 36815c65c564SOr Gerlitz fmdev = priv->mdev; 36825c65c564SOr Gerlitz pmdev = peer_priv->mdev; 36835c65c564SOr Gerlitz 368459c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 368559c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 36865c65c564SOr Gerlitz 3687816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 36885c65c564SOr Gerlitz } 36895c65c564SOr Gerlitz 36900bac1194SEli Britstein static int 3691d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3692d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3693d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3694d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3695d9581e2fSRoi Dayan { 3696d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 369709bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3698d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3699d9581e2fSRoi Dayan int err; 3700d9581e2fSRoi Dayan 3701d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3702d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3703d9581e2fSRoi Dayan return 0; 3704d9581e2fSRoi Dayan 3705e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3706d9581e2fSRoi Dayan 370709bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3708d9581e2fSRoi Dayan if (err) 3709d9581e2fSRoi Dayan return err; 3710d9581e2fSRoi Dayan 3711d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3712d9581e2fSRoi Dayan return 0; 3713d9581e2fSRoi Dayan 3714fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3715d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 37162c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3717d9581e2fSRoi Dayan 3718d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3719d9581e2fSRoi Dayan return 0; 3720d9581e2fSRoi Dayan 3721d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3722d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3723d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3724d9581e2fSRoi Dayan 3725d9581e2fSRoi Dayan return 0; 3726d9581e2fSRoi Dayan } 3727d9581e2fSRoi Dayan 37288300f225SRoi Dayan static struct mlx5_flow_attr* 37298300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 37308300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 37318300f225SRoi Dayan { 37328300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 37338300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 37348300f225SRoi Dayan struct mlx5_flow_attr *attr2; 37358300f225SRoi Dayan 37368300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 37378300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 37388300f225SRoi Dayan if (!attr2 || !parse_attr) { 37398300f225SRoi Dayan kvfree(parse_attr); 37408300f225SRoi Dayan kfree(attr2); 3741371c2b34SDan Carpenter return NULL; 37428300f225SRoi Dayan } 37438300f225SRoi Dayan 37448300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 37458300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 37468300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 37478300f225SRoi Dayan attr2->action = 0; 3748e9d1061dSOz Shlomo attr2->counter = NULL; 3749cca7eac1SOz Shlomo attr->tc_act_cookies_count = 0; 37508300f225SRoi Dayan attr2->flags = 0; 37518300f225SRoi Dayan attr2->parse_attr = parse_attr; 375294d65173SRoi Dayan attr2->dest_chain = 0; 375394d65173SRoi Dayan attr2->dest_ft = NULL; 375467027828SPaul Blakey attr2->act_id_restore_rule = NULL; 37557f1a6d4bSRoi Dayan 37567f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 37577f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 37587f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 37597f1a6d4bSRoi Dayan } 37607f1a6d4bSRoi Dayan 3761f86488cbSOz Shlomo attr2->branch_true = NULL; 3762f86488cbSOz Shlomo attr2->branch_false = NULL; 3763c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 37648300f225SRoi Dayan return attr2; 37658300f225SRoi Dayan } 37668300f225SRoi Dayan 37678300f225SRoi Dayan struct mlx5_flow_attr * 37688300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 37698300f225SRoi Dayan { 37708300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 37718300f225SRoi Dayan struct mlx5_flow_attr *attr; 37728300f225SRoi Dayan int i; 37738300f225SRoi Dayan 37748300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37758300f225SRoi Dayan esw_attr = attr->esw_attr; 37768300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 37778300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 37788300f225SRoi Dayan return attr; 37798300f225SRoi Dayan } 37808300f225SRoi Dayan } 37818300f225SRoi Dayan 37828300f225SRoi Dayan return NULL; 37838300f225SRoi Dayan } 37848300f225SRoi Dayan 37858300f225SRoi Dayan void 37868300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 37878300f225SRoi Dayan { 37888300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 37898300f225SRoi Dayan struct mlx5_flow_attr *attr; 37908300f225SRoi Dayan 37918300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 37928300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 37938300f225SRoi Dayan break; 37948300f225SRoi Dayan 37958300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 37968300f225SRoi Dayan } 37978300f225SRoi Dayan } 37988300f225SRoi Dayan 37998300f225SRoi Dayan static void 38008300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 38018300f225SRoi Dayan { 38028300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 38038300f225SRoi Dayan 38048300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 38058300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38068300f225SRoi Dayan break; 38078300f225SRoi Dayan 3808f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 3809f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3810f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 38118300f225SRoi Dayan 38128300f225SRoi Dayan list_del(&attr->list); 38138300f225SRoi Dayan kvfree(attr->parse_attr); 38148300f225SRoi Dayan kfree(attr); 38158300f225SRoi Dayan } 38168300f225SRoi Dayan } 38178300f225SRoi Dayan 38188300f225SRoi Dayan int 38198300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 38208300f225SRoi Dayan { 38218300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38228300f225SRoi Dayan struct mlx5_flow_attr *attr; 38238300f225SRoi Dayan int err = 0; 38248300f225SRoi Dayan 38258300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38268300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38278300f225SRoi Dayan break; 38288300f225SRoi Dayan 38298300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 38308300f225SRoi Dayan if (err) 38318300f225SRoi Dayan break; 38328300f225SRoi Dayan } 38338300f225SRoi Dayan 38348300f225SRoi Dayan return err; 38358300f225SRoi Dayan } 38368300f225SRoi Dayan 38378300f225SRoi Dayan /* TC filter rule HW translation: 38388300f225SRoi Dayan * 38398300f225SRoi Dayan * +---------------------+ 38408300f225SRoi Dayan * + ft prio (tc chain) + 38418300f225SRoi Dayan * + original match + 38428300f225SRoi Dayan * +---------------------+ 38438300f225SRoi Dayan * | 38448300f225SRoi Dayan * | if multi table action 38458300f225SRoi Dayan * | 38468300f225SRoi Dayan * v 38478300f225SRoi Dayan * +---------------------+ 38488300f225SRoi Dayan * + post act ft |<----. 38498300f225SRoi Dayan * + match fte id | | split on multi table action 38508300f225SRoi Dayan * + do actions |-----' 38518300f225SRoi Dayan * +---------------------+ 38528300f225SRoi Dayan * | 38538300f225SRoi Dayan * | 38548300f225SRoi Dayan * v 38558300f225SRoi Dayan * Do rest of the actions after last multi table action. 38568300f225SRoi Dayan */ 38578300f225SRoi Dayan static int 38588300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 38598300f225SRoi Dayan { 38608300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38618300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 38628300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 38638300f225SRoi Dayan int err; 38648300f225SRoi Dayan 38658300f225SRoi Dayan /* This is going in reverse order as needed. 38668300f225SRoi Dayan * The first entry is the last attribute. 38678300f225SRoi Dayan */ 38688300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38698300f225SRoi Dayan if (!next_attr) { 38708300f225SRoi Dayan /* Set counter action on last post act rule. */ 38718300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3872c84fa1abSOz Shlomo } 3873c84fa1abSOz Shlomo 3874c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 38758300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 38768300f225SRoi Dayan if (err) 38778300f225SRoi Dayan goto out_free; 38788300f225SRoi Dayan } 38798300f225SRoi Dayan 38808300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 38818300f225SRoi Dayan * It's being handled by the caller. 38828300f225SRoi Dayan */ 38838300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38848300f225SRoi Dayan break; 38858300f225SRoi Dayan 38868300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 38878300f225SRoi Dayan if (err) 38888300f225SRoi Dayan goto out_free; 38898300f225SRoi Dayan 3890ef78b8d5SRoi Dayan err = post_process_attr(flow, attr, extack); 38918300f225SRoi Dayan if (err) 38928300f225SRoi Dayan goto out_free; 38938300f225SRoi Dayan 38948300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 38958300f225SRoi Dayan if (IS_ERR(handle)) { 38968300f225SRoi Dayan err = PTR_ERR(handle); 38978300f225SRoi Dayan goto out_free; 38988300f225SRoi Dayan } 38998300f225SRoi Dayan 39008300f225SRoi Dayan attr->post_act_handle = handle; 3901c84fa1abSOz Shlomo 3902c84fa1abSOz Shlomo if (attr->jumping_attr) { 3903c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3904c84fa1abSOz Shlomo if (err) 3905c84fa1abSOz Shlomo goto out_free; 3906c84fa1abSOz Shlomo } 3907c84fa1abSOz Shlomo 39088300f225SRoi Dayan next_attr = attr; 39098300f225SRoi Dayan } 39108300f225SRoi Dayan 39118300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 39128300f225SRoi Dayan goto out; 39138300f225SRoi Dayan 39148300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 39158300f225SRoi Dayan if (err) 39168300f225SRoi Dayan goto out_free; 39178300f225SRoi Dayan 39188300f225SRoi Dayan out: 39198300f225SRoi Dayan return 0; 39208300f225SRoi Dayan 39218300f225SRoi Dayan out_free: 39228300f225SRoi Dayan free_flow_post_acts(flow); 39238300f225SRoi Dayan return err; 39248300f225SRoi Dayan } 39258300f225SRoi Dayan 39268300f225SRoi Dayan static int 3927f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 3928f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 3929f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 3930f86488cbSOz Shlomo u32 *jump_count, 3931f86488cbSOz Shlomo struct netlink_ext_ack *extack) 3932f86488cbSOz Shlomo { 3933f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 3934f86488cbSOz Shlomo int err = 0; 3935f86488cbSOz Shlomo 3936f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 3937f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 3938f86488cbSOz Shlomo if (!(*cond_attr)) 3939f86488cbSOz Shlomo return -ENOMEM; 3940f86488cbSOz Shlomo 3941f86488cbSOz Shlomo attr = *cond_attr; 3942f86488cbSOz Shlomo 3943f86488cbSOz Shlomo switch (cond->act_id) { 3944f86488cbSOz Shlomo case FLOW_ACTION_DROP: 3945f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3946f86488cbSOz Shlomo break; 3947f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 3948f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 3949f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3950f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3951f86488cbSOz Shlomo break; 3952f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 3953f86488cbSOz Shlomo if (*jump_count) { 3954f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 3955f86488cbSOz Shlomo err = -EOPNOTSUPP; 3956f86488cbSOz Shlomo goto out_err; 3957f86488cbSOz Shlomo } 3958f86488cbSOz Shlomo *jump_count = cond->extval; 3959f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3960f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 3961f86488cbSOz Shlomo break; 3962f86488cbSOz Shlomo default: 3963f86488cbSOz Shlomo err = -EOPNOTSUPP; 3964f86488cbSOz Shlomo goto out_err; 3965f86488cbSOz Shlomo } 3966f86488cbSOz Shlomo 3967f86488cbSOz Shlomo return err; 3968f86488cbSOz Shlomo out_err: 3969f86488cbSOz Shlomo kfree(*cond_attr); 3970f86488cbSOz Shlomo *cond_attr = NULL; 3971f86488cbSOz Shlomo return err; 3972f86488cbSOz Shlomo } 3973f86488cbSOz Shlomo 3974c84fa1abSOz Shlomo static void 3975c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 3976c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 3977c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 3978c84fa1abSOz Shlomo { 3979c84fa1abSOz Shlomo if (!jump_state->jump_count) 3980c84fa1abSOz Shlomo return; 3981c84fa1abSOz Shlomo 3982c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 3983c84fa1abSOz Shlomo * Jump only over a tc action 3984c84fa1abSOz Shlomo */ 3985c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 3986c84fa1abSOz Shlomo return; 3987c84fa1abSOz Shlomo 3988c84fa1abSOz Shlomo jump_state->last_id = act->id; 3989c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 3990c84fa1abSOz Shlomo 3991c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 3992c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 3993c84fa1abSOz Shlomo return; 3994c84fa1abSOz Shlomo 3995c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 3996c84fa1abSOz Shlomo 3997c84fa1abSOz Shlomo /* create a new attribute after this action */ 3998c84fa1abSOz Shlomo jump_state->jump_target = true; 3999c84fa1abSOz Shlomo 4000c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 4001c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 4002c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 4003c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 4004c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 4005c84fa1abSOz Shlomo 4006c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4007c84fa1abSOz Shlomo post_act = get_post_action(priv); 4008c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 4009c84fa1abSOz Shlomo } 4010c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 4011c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 4012c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 4013c84fa1abSOz Shlomo */ 4014c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 4015c84fa1abSOz Shlomo } 4016c84fa1abSOz Shlomo } 4017c84fa1abSOz Shlomo 4018f86488cbSOz Shlomo static int 4019f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 4020f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 4021c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 4022f86488cbSOz Shlomo struct netlink_ext_ack *extack) 4023f86488cbSOz Shlomo { 4024f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 4025c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 4026f86488cbSOz Shlomo int err; 4027f86488cbSOz Shlomo 4028f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 4029f86488cbSOz Shlomo return 0; 4030f86488cbSOz Shlomo 4031f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 4032f86488cbSOz Shlomo 4033f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 4034f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 4035f86488cbSOz Shlomo if (err) 4036f86488cbSOz Shlomo goto out_err; 4037f86488cbSOz Shlomo 4038c84fa1abSOz Shlomo if (jump_count) 4039c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 4040c84fa1abSOz Shlomo 4041f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 4042f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 4043f86488cbSOz Shlomo if (err) 4044f86488cbSOz Shlomo goto err_branch_false; 4045f86488cbSOz Shlomo 4046c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 4047c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 4048c84fa1abSOz Shlomo 4049c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 4050e9d1061dSOz Shlomo 4051e9d1061dSOz Shlomo /* branching action requires its own counter */ 4052e9d1061dSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 40532b68d659SOz Shlomo flow_flag_set(flow, USE_ACT_STATS); 4054e9d1061dSOz Shlomo 4055f86488cbSOz Shlomo return 0; 4056f86488cbSOz Shlomo 4057f86488cbSOz Shlomo err_branch_false: 4058f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 4059f86488cbSOz Shlomo out_err: 4060f86488cbSOz Shlomo return err; 4061f86488cbSOz Shlomo } 4062f86488cbSOz Shlomo 4063f86488cbSOz Shlomo static int 40648300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 40658300f225SRoi Dayan struct flow_action *flow_action) 40668300f225SRoi Dayan { 40678300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 40688300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 40698300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 4070c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 40718300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 40728300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 40738300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 40748300f225SRoi Dayan struct flow_action_entry *act, **_act; 40758300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 40768300f225SRoi Dayan int err, i; 40778300f225SRoi Dayan 40788300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 40798300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 40808300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 40818300f225SRoi Dayan if (!flow_action_reorder.entries) 40828300f225SRoi Dayan return -ENOMEM; 40838300f225SRoi Dayan 40848300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 40858300f225SRoi Dayan 40868300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 40878300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 40888300f225SRoi Dayan 40898300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 4090c84fa1abSOz Shlomo jump_state.jump_target = false; 40918300f225SRoi Dayan act = *_act; 40928300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 40938300f225SRoi Dayan if (!tc_act) { 40948300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 40958300f225SRoi Dayan err = -EOPNOTSUPP; 40968300f225SRoi Dayan goto out_free; 40978300f225SRoi Dayan } 40988300f225SRoi Dayan 40998300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 41008300f225SRoi Dayan err = -EOPNOTSUPP; 41018300f225SRoi Dayan goto out_free; 41028300f225SRoi Dayan } 41038300f225SRoi Dayan 41048300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 41058300f225SRoi Dayan if (err) 41068300f225SRoi Dayan goto out_free; 41078300f225SRoi Dayan 4108c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 4109c84fa1abSOz Shlomo 4110c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 4111f86488cbSOz Shlomo if (err) 4112f86488cbSOz Shlomo goto out_free; 4113f86488cbSOz Shlomo 41148300f225SRoi Dayan parse_state->actions |= attr->action; 4115cca7eac1SOz Shlomo if (!tc_act->stats_action) 4116db4b4902SPaul Blakey attr->tc_act_cookies[attr->tc_act_cookies_count++] = act->cookie; 41178300f225SRoi Dayan 41188300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 4119c84fa1abSOz Shlomo if (jump_state.jump_target || 4120c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 41218300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 4122c84fa1abSOz Shlomo i < flow_action_reorder.num_entries - 1)) { 41238300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 41248300f225SRoi Dayan if (err) 41258300f225SRoi Dayan goto out_free; 41268300f225SRoi Dayan 41278300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 41288300f225SRoi Dayan if (!attr) { 41298300f225SRoi Dayan err = -ENOMEM; 41308300f225SRoi Dayan goto out_free; 41318300f225SRoi Dayan } 41328300f225SRoi Dayan 41338300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 41348300f225SRoi Dayan } 41358300f225SRoi Dayan } 41368300f225SRoi Dayan 41378300f225SRoi Dayan kfree(flow_action_reorder.entries); 41388300f225SRoi Dayan 41398300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 41408300f225SRoi Dayan if (err) 41418300f225SRoi Dayan goto out_free_post_acts; 41428300f225SRoi Dayan 41438300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 41448300f225SRoi Dayan if (err) 41458300f225SRoi Dayan goto out_free_post_acts; 41468300f225SRoi Dayan 41478300f225SRoi Dayan return 0; 41488300f225SRoi Dayan 41498300f225SRoi Dayan out_free: 41508300f225SRoi Dayan kfree(flow_action_reorder.entries); 41518300f225SRoi Dayan out_free_post_acts: 41528300f225SRoi Dayan free_flow_post_acts(flow); 41538300f225SRoi Dayan 41548300f225SRoi Dayan return err; 41558300f225SRoi Dayan } 41568300f225SRoi Dayan 4157d9581e2fSRoi Dayan static int 4158df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 4159df990477SRoi Dayan struct netlink_ext_ack *extack) 4160df990477SRoi Dayan { 4161df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 4162df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 4163df990477SRoi Dayan return -EINVAL; 4164df990477SRoi Dayan } 4165df990477SRoi Dayan 4166df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 4167df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 4168df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4169df990477SRoi Dayan return -EOPNOTSUPP; 4170df990477SRoi Dayan } 4171df990477SRoi Dayan 4172df990477SRoi Dayan return 0; 4173df990477SRoi Dayan } 4174df990477SRoi Dayan 4175df990477SRoi Dayan static int 4176d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 417773867881SPablo Neira Ayuso struct flow_action *flow_action, 4178e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 4179e98bedf5SEli Britstein struct netlink_ext_ack *extack) 4180e3a2b7edSAmir Vadai { 4181fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4182c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4183c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 41848333d53eSRoi Dayan int err; 4185e3a2b7edSAmir Vadai 4186df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4187df990477SRoi Dayan if (err) 4188df990477SRoi Dayan return err; 4189319a1d19SJiri Pirko 4190fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 4191c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 4192fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4193fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4194758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4195e3a2b7edSAmir Vadai 41968333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4197fad54790SRoi Dayan if (err) 4198fad54790SRoi Dayan return err; 4199e3a2b7edSAmir Vadai 420009bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4201d9581e2fSRoi Dayan if (err) 4202d9581e2fSRoi Dayan return err; 4203d9581e2fSRoi Dayan 420464426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 420564426382SOz Shlomo if (err) 420664426382SOz Shlomo return err; 420764426382SOz Shlomo 42080610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 42090610f8dcSRoi Dayan parse_attr, flow, extack)) 4210bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4211bdd66ac0SOr Gerlitz 4212e3a2b7edSAmir Vadai return 0; 4213e3a2b7edSAmir Vadai } 4214e3a2b7edSAmir Vadai 421532134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4216b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4217b1d90e6bSRabie Loulou { 4218b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4219b1d90e6bSRabie Loulou 4220b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4221b1d90e6bSRabie Loulou 4222b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 422332134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 422432134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4225ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4226d34eb2fcSOr Gerlitz } 4227d34eb2fcSOr Gerlitz 422832134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 422932134847SMaor Dickman struct net_device *peer_netdev) 423032134847SMaor Dickman { 423132134847SMaor Dickman struct mlx5e_priv *peer_priv; 423232134847SMaor Dickman 423332134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 423432134847SMaor Dickman 423532134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 423632134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4237ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 423832134847SMaor Dickman } 423932134847SMaor Dickman 424032134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 424132134847SMaor Dickman struct net_device *peer_netdev) 424232134847SMaor Dickman { 424332134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 424432134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 424532134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 424632134847SMaor Dickman } 424732134847SMaor Dickman 424894db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 424994db3317SEli Cohen { 42508ce81fc0SRoi Dayan return same_hw_reps(priv, out_dev) && mlx5_lag_is_mpesw(priv->mdev); 425194db3317SEli Cohen } 425294db3317SEli Cohen 4253f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4254f6dc1264SPaul Blakey struct net_device *out_dev) 4255f6dc1264SPaul Blakey { 425632134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 425732134847SMaor Dickman return true; 425832134847SMaor Dickman 425994db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 426094db3317SEli Cohen return true; 426194db3317SEli Cohen 426232134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4263f6dc1264SPaul Blakey return true; 4264f6dc1264SPaul Blakey 4265f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 426632134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4267f6dc1264SPaul Blakey } 4268f6dc1264SPaul Blakey 426927484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 427027484f71SAriel Levkovich struct mlx5_flow_attr *attr, 427127484f71SAriel Levkovich int ifindex, 427227484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 427327484f71SAriel Levkovich u32 *action, 427427484f71SAriel Levkovich int out_index) 427527484f71SAriel Levkovich { 427627484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 427727484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 427827484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 427927484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 428027484f71SAriel Levkovich int err; 428127484f71SAriel Levkovich 428227484f71SAriel Levkovich parse_attr = attr->parse_attr; 428327484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 428427484f71SAriel Levkovich 428527484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 428627484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 428727484f71SAriel Levkovich return PTR_ERR(dest_int_port); 428827484f71SAriel Levkovich 428927484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 429027484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 429127484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 429227484f71SAriel Levkovich if (err) { 429327484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 429427484f71SAriel Levkovich return err; 429527484f71SAriel Levkovich } 429627484f71SAriel Levkovich 429727484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 429827484f71SAriel Levkovich 429927484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 430027484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 430127484f71SAriel Levkovich 430227484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 430327484f71SAriel Levkovich attr->dest_chain = 0; 430427484f71SAriel Levkovich 430527484f71SAriel Levkovich return 0; 430627484f71SAriel Levkovich } 430727484f71SAriel Levkovich 43088333d53eSRoi Dayan static int 43098333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 431073867881SPablo Neira Ayuso struct flow_action *flow_action, 4311e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 431270f8019eSRoi Dayan struct netlink_ext_ack *extack) 4313a54e20b4SHadar Hen Zion { 4314fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4315c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4316c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4317c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4318f382a241SAriel Levkovich struct net_device *filter_dev; 43198333d53eSRoi Dayan int err; 432003a9d11eSOr Gerlitz 4321df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4322df990477SRoi Dayan if (err) 4323df990477SRoi Dayan return err; 4324319a1d19SJiri Pirko 4325c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4326c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4327f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4328fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4329fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4330758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4331c620b772SAriel Levkovich 43328333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4333fad54790SRoi Dayan if (err) 4334fad54790SRoi Dayan return err; 4335bdd66ac0SOr Gerlitz 4336166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4337f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4338166f431eSAriel Levkovich esw_attr->out_count > 1) { 433927484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4340166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 434127484f71SAriel Levkovich return -EOPNOTSUPP; 434227484f71SAriel Levkovich } 434327484f71SAriel Levkovich 4344f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4345f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4346f382a241SAriel Levkovich esw_attr->dest_int_port) { 4347f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4348f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4349f382a241SAriel Levkovich return -EOPNOTSUPP; 4350f382a241SAriel Levkovich } 4351f382a241SAriel Levkovich 435209bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4353c500c86bSPablo Neira Ayuso if (err) 4354c500c86bSPablo Neira Ayuso return err; 4355c500c86bSPablo Neira Ayuso 43560610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 43570610f8dcSRoi Dayan parse_attr, flow, extack)) 4358bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4359bdd66ac0SOr Gerlitz 436031c8eba5SOr Gerlitz return 0; 436103a9d11eSOr Gerlitz } 436203a9d11eSOr Gerlitz 4363226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 436460bd4af8SOr Gerlitz { 4365226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 436660bd4af8SOr Gerlitz 4367226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4368226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4369226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4370226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 437160bd4af8SOr Gerlitz 4372226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4373226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4374226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4375226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 437684179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 437784179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4378d9ee0491SOr Gerlitz 437960bd4af8SOr Gerlitz *flow_flags = __flow_flags; 438060bd4af8SOr Gerlitz } 438160bd4af8SOr Gerlitz 438205866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 438305866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 438405866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 438505866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 438605866c82SOr Gerlitz .automatic_shrinking = true, 438705866c82SOr Gerlitz }; 438805866c82SOr Gerlitz 4389226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4390226f2ca3SVlad Buslov unsigned long flags) 439105866c82SOr Gerlitz { 4392f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4393d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4394655dc3d2SOr Gerlitz 4395226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4396d1a3138fSPaul Blakey rpriv = priv->ppriv; 4397d1a3138fSPaul Blakey return &rpriv->tc_ht; 4398d9ee0491SOr Gerlitz } else /* NIC offload */ 4399f52f2faeSLama Kayal return &tc->ht; 440005866c82SOr Gerlitz } 440105866c82SOr Gerlitz 440204de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 440304de7ddaSRoi Dayan { 4404c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4405c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4406c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4407226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 44081418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 44091418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4410c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 44111418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 44121418ddd9SAviv Heller 441310fbb1cdSRoi Dayan if (!esw_paired) 441410fbb1cdSRoi Dayan return false; 441510fbb1cdSRoi Dayan 4416c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4417c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 441810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 441910fbb1cdSRoi Dayan return true; 442010fbb1cdSRoi Dayan 44218ce81fc0SRoi Dayan if (mlx5_lag_is_mpesw(esw_attr->in_mdev)) 44228ce81fc0SRoi Dayan return true; 44238ce81fc0SRoi Dayan 442410fbb1cdSRoi Dayan return false; 442504de7ddaSRoi Dayan } 442604de7ddaSRoi Dayan 4427c620b772SAriel Levkovich struct mlx5_flow_attr * 4428c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4429c620b772SAriel Levkovich { 4430c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4431c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4432c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4433c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4434c620b772SAriel Levkovich 44358300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 44368300f225SRoi Dayan if (!attr) 44378300f225SRoi Dayan return attr; 44388300f225SRoi Dayan 44398300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 44408300f225SRoi Dayan return attr; 4441c620b772SAriel Levkovich } 4442c620b772SAriel Levkovich 4443f86488cbSOz Shlomo static void 4444f86488cbSOz Shlomo mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4445f86488cbSOz Shlomo { 4446f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4447f86488cbSOz Shlomo bool vf_tun; 4448f86488cbSOz Shlomo 4449f86488cbSOz Shlomo if (!attr) 4450f86488cbSOz Shlomo return; 4451f86488cbSOz Shlomo 4452f86488cbSOz Shlomo if (attr->post_act_handle) 4453f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4454f86488cbSOz Shlomo 4455f86488cbSOz Shlomo clean_encap_dests(flow->priv, flow, attr, &vf_tun); 4456f86488cbSOz Shlomo 4457f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4458f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4459f86488cbSOz Shlomo 4460f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4461f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4462ef78b8d5SRoi Dayan mlx5e_tc_detach_mod_hdr(flow->priv, flow, attr); 4463f86488cbSOz Shlomo } 4464f86488cbSOz Shlomo } 4465f86488cbSOz Shlomo 4466a88780a9SRoi Dayan static int 4467a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4468226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4469a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4470a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4471e3a2b7edSAmir Vadai { 447217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4473c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 44743bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4475ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4476ff7ea04aSGustavo A. R. Silva int out_index; 4477776b12b6SOr Gerlitz 4478c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 44791b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4480ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4481ff7ea04aSGustavo A. R. Silva goto err_free; 4482c620b772SAriel Levkovich 4483c620b772SAriel Levkovich flow->flags = flow_flags; 4484c620b772SAriel Levkovich flow->cookie = f->cookie; 4485c620b772SAriel Levkovich flow->priv = priv; 4486c620b772SAriel Levkovich 4487e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4488ff7ea04aSGustavo A. R. Silva if (!attr) 4489e3a2b7edSAmir Vadai goto err_free; 4490ff7ea04aSGustavo A. R. Silva 4491c620b772SAriel Levkovich flow->attr = attr; 4492e3a2b7edSAmir Vadai 44935a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 44945a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 44955a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 449614e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 44978300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 44985a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 449995435ad7SVlad Buslov init_completion(&flow->init_done); 4500362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4501e3a2b7edSAmir Vadai 4502a88780a9SRoi Dayan *__flow = flow; 4503a88780a9SRoi Dayan *__parse_attr = parse_attr; 4504a88780a9SRoi Dayan 4505a88780a9SRoi Dayan return 0; 4506a88780a9SRoi Dayan 4507a88780a9SRoi Dayan err_free: 4508a88780a9SRoi Dayan kfree(flow); 4509a88780a9SRoi Dayan kvfree(parse_attr); 4510a88780a9SRoi Dayan return err; 4511adb4c123SOr Gerlitz } 4512adb4c123SOr Gerlitz 4513988ab9c7STonghao Zhang static void 4514c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4515c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4516c7569097SAriel Levkovich struct flow_cls_offload *f) 4517c7569097SAriel Levkovich { 4518c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4519c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4520c7569097SAriel Levkovich attr->prio = f->common.prio; 4521c7569097SAriel Levkovich } 4522c7569097SAriel Levkovich 4523c7569097SAriel Levkovich static void 4524c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4525988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4526988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4527f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4528988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4529988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4530988ab9c7STonghao Zhang { 4531988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4532c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4533988ab9c7STonghao Zhang 4534c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4535988ab9c7STonghao Zhang 4536988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4537988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4538988ab9c7STonghao Zhang 4539988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4540988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4541988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4542988ab9c7STonghao Zhang else 4543988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4544988ab9c7STonghao Zhang } 4545988ab9c7STonghao Zhang 454671129676SJason Gunthorpe static struct mlx5e_tc_flow * 454704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4548f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4549226f2ca3SVlad Buslov unsigned long flow_flags, 4550d11afc26SOz Shlomo struct net_device *filter_dev, 455104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 455271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4553a88780a9SRoi Dayan { 4554f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4555a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4556a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4557a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4558a88780a9SRoi Dayan int attr_size, err; 4559a88780a9SRoi Dayan 4560226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4561a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4562a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4563a88780a9SRoi Dayan &parse_attr, &flow); 4564a88780a9SRoi Dayan if (err) 4565a88780a9SRoi Dayan goto out; 4566988ab9c7STonghao Zhang 4567d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4568c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4569988ab9c7STonghao Zhang priv, parse_attr, 4570988ab9c7STonghao Zhang f, in_rep, in_mdev); 4571988ab9c7STonghao Zhang 457254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 457354c177caSOz Shlomo f, filter_dev); 4574d11afc26SOz Shlomo if (err) 4575d11afc26SOz Shlomo goto err_free; 4576a88780a9SRoi Dayan 45777e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4578aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4579c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4580a88780a9SRoi Dayan if (err) 4581a88780a9SRoi Dayan goto err_free; 4582a88780a9SRoi Dayan 458370f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 45844c3844d9SPaul Blakey if (err) 45854c3844d9SPaul Blakey goto err_free; 45864c3844d9SPaul Blakey 45877040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 458895435ad7SVlad Buslov complete_all(&flow->init_done); 4589ef06c9eeSRoi Dayan if (err) { 4590ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4591a32327a3SRoi Dayan goto err_free; 45925c40348cSOr Gerlitz 4593b4a23329SRoi Dayan add_unready_flow(flow); 4594ef06c9eeSRoi Dayan } 4595ef06c9eeSRoi Dayan 459671129676SJason Gunthorpe return flow; 4597e3a2b7edSAmir Vadai 4598e3a2b7edSAmir Vadai err_free: 45995a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4600a88780a9SRoi Dayan out: 460171129676SJason Gunthorpe return ERR_PTR(err); 4602a88780a9SRoi Dayan } 4603a88780a9SRoi Dayan 4604f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 460595dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4606226f2ca3SVlad Buslov unsigned long flow_flags) 460704de7ddaSRoi Dayan { 460804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 460904de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4610c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 461104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 461204de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 461304de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 461404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 461504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 461604de7ddaSRoi Dayan int err = 0; 461704de7ddaSRoi Dayan 461804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 461904de7ddaSRoi Dayan if (!peer_esw) 462004de7ddaSRoi Dayan return -ENODEV; 462104de7ddaSRoi Dayan 462204de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 462304de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 462404de7ddaSRoi Dayan 462504de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 462604de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 462704de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 462804de7ddaSRoi Dayan * peer mdev. 46298ce81fc0SRoi Dayan * In multiport eswitch it's a special case that we need to 46308ce81fc0SRoi Dayan * keep the original mdev. 463104de7ddaSRoi Dayan */ 46328ce81fc0SRoi Dayan if (attr->in_rep->vport == MLX5_VPORT_UPLINK && !mlx5_lag_is_mpesw(priv->mdev)) 463304de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 463404de7ddaSRoi Dayan else 463504de7ddaSRoi Dayan in_mdev = priv->mdev; 463604de7ddaSRoi Dayan 4637c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 463895dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 463904de7ddaSRoi Dayan parse_attr->filter_dev, 4640c620b772SAriel Levkovich attr->in_rep, in_mdev); 464171129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 464271129676SJason Gunthorpe err = PTR_ERR(peer_flow); 464304de7ddaSRoi Dayan goto out; 464471129676SJason Gunthorpe } 464504de7ddaSRoi Dayan 464604de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4647226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 464804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 464904de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 465004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 465104de7ddaSRoi Dayan 465204de7ddaSRoi Dayan out: 465304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 465404de7ddaSRoi Dayan return err; 465504de7ddaSRoi Dayan } 465604de7ddaSRoi Dayan 465704de7ddaSRoi Dayan static int 465804de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4659f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4660226f2ca3SVlad Buslov unsigned long flow_flags, 466104de7ddaSRoi Dayan struct net_device *filter_dev, 466204de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 466304de7ddaSRoi Dayan { 466404de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 466504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 466604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 466704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 466804de7ddaSRoi Dayan int err; 466904de7ddaSRoi Dayan 467071129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 467171129676SJason Gunthorpe in_mdev); 467271129676SJason Gunthorpe if (IS_ERR(flow)) 467371129676SJason Gunthorpe return PTR_ERR(flow); 467404de7ddaSRoi Dayan 467504de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 467695dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 467704de7ddaSRoi Dayan if (err) { 467804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 467904de7ddaSRoi Dayan goto out; 468004de7ddaSRoi Dayan } 468104de7ddaSRoi Dayan } 468204de7ddaSRoi Dayan 468304de7ddaSRoi Dayan *__flow = flow; 468404de7ddaSRoi Dayan 468504de7ddaSRoi Dayan return 0; 468604de7ddaSRoi Dayan 468704de7ddaSRoi Dayan out: 468804de7ddaSRoi Dayan return err; 468904de7ddaSRoi Dayan } 469004de7ddaSRoi Dayan 4691a88780a9SRoi Dayan static int 4692a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4693f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4694226f2ca3SVlad Buslov unsigned long flow_flags, 4695d11afc26SOz Shlomo struct net_device *filter_dev, 4696a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4697a88780a9SRoi Dayan { 4698f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4699a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4700a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4701a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4702a88780a9SRoi Dayan int attr_size, err; 4703a88780a9SRoi Dayan 4704c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4705bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4706bf07aa73SPaul Blakey return -EOPNOTSUPP; 4707c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4708c7569097SAriel Levkovich return -EOPNOTSUPP; 4709c7569097SAriel Levkovich } 4710bf07aa73SPaul Blakey 4711226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4712a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4713a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4714a88780a9SRoi Dayan &parse_attr, &flow); 4715a88780a9SRoi Dayan if (err) 4716a88780a9SRoi Dayan goto out; 4717a88780a9SRoi Dayan 4718d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4719c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4720c7569097SAriel Levkovich 472154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 472254c177caSOz Shlomo f, filter_dev); 4723d11afc26SOz Shlomo if (err) 4724d11afc26SOz Shlomo goto err_free; 4725d11afc26SOz Shlomo 4726aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4727aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4728aedd133dSAriel Levkovich if (err) 4729aedd133dSAriel Levkovich goto err_free; 4730aedd133dSAriel Levkovich 4731c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4732a88780a9SRoi Dayan if (err) 4733a88780a9SRoi Dayan goto err_free; 4734a88780a9SRoi Dayan 4735c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4736a88780a9SRoi Dayan if (err) 4737a88780a9SRoi Dayan goto err_free; 4738a88780a9SRoi Dayan 4739226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4740a88780a9SRoi Dayan *__flow = flow; 4741a88780a9SRoi Dayan 4742a88780a9SRoi Dayan return 0; 4743a88780a9SRoi Dayan 4744a88780a9SRoi Dayan err_free: 47458914add2SVlad Buslov flow_flag_set(flow, FAILED); 47462c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 47475a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4748a88780a9SRoi Dayan out: 4749a88780a9SRoi Dayan return err; 4750a88780a9SRoi Dayan } 4751a88780a9SRoi Dayan 4752a88780a9SRoi Dayan static int 4753a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4754f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4755226f2ca3SVlad Buslov unsigned long flags, 4756d11afc26SOz Shlomo struct net_device *filter_dev, 4757a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4758a88780a9SRoi Dayan { 4759a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4760226f2ca3SVlad Buslov unsigned long flow_flags; 4761a88780a9SRoi Dayan int err; 4762a88780a9SRoi Dayan 4763a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4764a88780a9SRoi Dayan 4765bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4766bf07aa73SPaul Blakey return -EOPNOTSUPP; 4767bf07aa73SPaul Blakey 4768f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4769d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4770d11afc26SOz Shlomo filter_dev, flow); 4771a88780a9SRoi Dayan else 4772d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4773d11afc26SOz Shlomo filter_dev, flow); 4774a88780a9SRoi Dayan 4775a88780a9SRoi Dayan return err; 4776a88780a9SRoi Dayan } 4777a88780a9SRoi Dayan 4778553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4779553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4780553f9328SVu Pham { 4781553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 47822fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 47832fb15e72SVlad Buslov * function is called from NIC mode. 4784553f9328SVu Pham */ 47852fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4786553f9328SVu Pham } 4787553f9328SVu Pham 478871d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4789226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4790a88780a9SRoi Dayan { 4791a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4792d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4793553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4794a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4795a88780a9SRoi Dayan int err = 0; 4796a88780a9SRoi Dayan 47977dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4798794131c4SJianbo Liu return -EBUSY; 47997dc84de9SRoi Dayan 48007dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 48017dc84de9SRoi Dayan 4802c5d326b2SVlad Buslov rcu_read_lock(); 4803c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4804a88780a9SRoi Dayan if (flow) { 4805553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4806553f9328SVu Pham * just return 0. 4807553f9328SVu Pham */ 4808553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4809c1aea9e1SVlad Buslov goto rcu_unlock; 4810553f9328SVu Pham 4811a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4812a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4813a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4814a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4815a88780a9SRoi Dayan f->cookie); 48160e1c1a2fSVlad Buslov err = -EEXIST; 4817c1aea9e1SVlad Buslov goto rcu_unlock; 4818a88780a9SRoi Dayan } 4819c1aea9e1SVlad Buslov rcu_unlock: 4820c1aea9e1SVlad Buslov rcu_read_unlock(); 4821c1aea9e1SVlad Buslov if (flow) 4822c1aea9e1SVlad Buslov goto out; 4823a88780a9SRoi Dayan 48247a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4825d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4826a88780a9SRoi Dayan if (err) 4827a88780a9SRoi Dayan goto out; 4828a88780a9SRoi Dayan 4829553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4830553f9328SVu Pham * set the flow's owner dev. 4831553f9328SVu Pham */ 4832553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4833553f9328SVu Pham flow->orig_dev = dev; 4834553f9328SVu Pham 4835c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4836a88780a9SRoi Dayan if (err) 4837a88780a9SRoi Dayan goto err_free; 4838a88780a9SRoi Dayan 48397dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4840a88780a9SRoi Dayan return 0; 4841a88780a9SRoi Dayan 4842a88780a9SRoi Dayan err_free: 48435a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4844a88780a9SRoi Dayan out: 48457dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 48467dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4847e3a2b7edSAmir Vadai return err; 4848e3a2b7edSAmir Vadai } 4849e3a2b7edSAmir Vadai 48508f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 48518f8ae895SOr Gerlitz { 4852226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4853226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 48548f8ae895SOr Gerlitz 4855226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4856226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 48578f8ae895SOr Gerlitz } 48588f8ae895SOr Gerlitz 485971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4860226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4861e3a2b7edSAmir Vadai { 4862d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4863e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4864c5d326b2SVlad Buslov int err; 4865e3a2b7edSAmir Vadai 4866c5d326b2SVlad Buslov rcu_read_lock(); 4867ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4868c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4869c5d326b2SVlad Buslov err = -EINVAL; 4870c5d326b2SVlad Buslov goto errout; 4871c5d326b2SVlad Buslov } 4872e3a2b7edSAmir Vadai 4873c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4874c5d326b2SVlad Buslov * set. 4875c5d326b2SVlad Buslov */ 4876c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4877c5d326b2SVlad Buslov err = -EINVAL; 4878c5d326b2SVlad Buslov goto errout; 4879c5d326b2SVlad Buslov } 488005866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4881c5d326b2SVlad Buslov rcu_read_unlock(); 4882e3a2b7edSAmir Vadai 48837a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 48845a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4885e3a2b7edSAmir Vadai 48867dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4887e3a2b7edSAmir Vadai return 0; 4888c5d326b2SVlad Buslov 4889c5d326b2SVlad Buslov errout: 4890c5d326b2SVlad Buslov rcu_read_unlock(); 4891c5d326b2SVlad Buslov return err; 4892e3a2b7edSAmir Vadai } 4893e3a2b7edSAmir Vadai 48942b68d659SOz Shlomo int mlx5e_tc_fill_action_stats(struct mlx5e_priv *priv, 48952b68d659SOz Shlomo struct flow_offload_action *fl_act) 48962b68d659SOz Shlomo { 48972b68d659SOz Shlomo return mlx5e_tc_act_stats_fill_stats(get_act_stats_handle(priv), fl_act); 48982b68d659SOz Shlomo } 48992b68d659SOz Shlomo 490071d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4901226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4902aad7e08dSAmir Vadai { 490304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4904d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 490504de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4906aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4907aad7e08dSAmir Vadai struct mlx5_fc *counter; 4908316d5f72SRoi Dayan u64 lastuse = 0; 4909316d5f72SRoi Dayan u64 packets = 0; 4910316d5f72SRoi Dayan u64 bytes = 0; 49115a7e5bcbSVlad Buslov int err = 0; 4912aad7e08dSAmir Vadai 4913c5d326b2SVlad Buslov rcu_read_lock(); 4914c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 49155a7e5bcbSVlad Buslov tc_ht_params)); 4916c5d326b2SVlad Buslov rcu_read_unlock(); 49175a7e5bcbSVlad Buslov if (IS_ERR(flow)) 49185a7e5bcbSVlad Buslov return PTR_ERR(flow); 49195a7e5bcbSVlad Buslov 49205a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 49215a7e5bcbSVlad Buslov err = -EINVAL; 49225a7e5bcbSVlad Buslov goto errout; 49235a7e5bcbSVlad Buslov } 4924aad7e08dSAmir Vadai 49254c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 49262b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 49272b68d659SOz Shlomo f->use_act_stats = true; 49282b68d659SOz Shlomo } else { 4929b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4930aad7e08dSAmir Vadai if (!counter) 49315a7e5bcbSVlad Buslov goto errout; 4932aad7e08dSAmir Vadai 4933aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4934316d5f72SRoi Dayan } 49352b68d659SOz Shlomo } 4936aad7e08dSAmir Vadai 4937316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4938316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4939316d5f72SRoi Dayan */ 494004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 494104de7ddaSRoi Dayan if (!peer_esw) 494204de7ddaSRoi Dayan goto out; 494304de7ddaSRoi Dayan 4944226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4945226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 494604de7ddaSRoi Dayan u64 bytes2; 494704de7ddaSRoi Dayan u64 packets2; 494804de7ddaSRoi Dayan u64 lastuse2; 494904de7ddaSRoi Dayan 49502b68d659SOz Shlomo if (flow_flag_test(flow, USE_ACT_STATS)) { 49512b68d659SOz Shlomo f->use_act_stats = true; 49522b68d659SOz Shlomo } else { 495304de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4954316d5f72SRoi Dayan if (!counter) 4955316d5f72SRoi Dayan goto no_peer_counter; 495604de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 495704de7ddaSRoi Dayan 495804de7ddaSRoi Dayan bytes += bytes2; 495904de7ddaSRoi Dayan packets += packets2; 496004de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 496104de7ddaSRoi Dayan } 49622b68d659SOz Shlomo } 496304de7ddaSRoi Dayan 4964316d5f72SRoi Dayan no_peer_counter: 496504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 496604de7ddaSRoi Dayan out: 49674b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 496893a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 49697a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 49705a7e5bcbSVlad Buslov errout: 49715a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 49725a7e5bcbSVlad Buslov return err; 4973aad7e08dSAmir Vadai } 4974aad7e08dSAmir Vadai 49751fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4976fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4977fcb64c0fSEli Cohen { 4978fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4979fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 49801fe3e316SParav Pandit u32 rate_mbps = 0; 4981fcb64c0fSEli Cohen u16 vport_num; 4982fcb64c0fSEli Cohen int err; 4983fcb64c0fSEli Cohen 4984e401a184SEli Cohen vport_num = rpriv->rep->vport; 4985e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4986e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4987e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4988e401a184SEli Cohen return -EOPNOTSUPP; 4989e401a184SEli Cohen } 4990e401a184SEli Cohen 4991fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4992fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4993fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4994fcb64c0fSEli Cohen * mbit means million bits. 4995fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4996fcb64c0fSEli Cohen * 1 mbit/sec. 4997fcb64c0fSEli Cohen */ 49981fe3e316SParav Pandit if (rate) { 49991fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 50008b90d897SParav Pandit do_div(rate, 1000000); 50018b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 50021fe3e316SParav Pandit } 50031fe3e316SParav Pandit 50042d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 5005fcb64c0fSEli Cohen if (err) 5006fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5007fcb64c0fSEli Cohen 5008fcb64c0fSEli Cohen return err; 5009fcb64c0fSEli Cohen } 5010fcb64c0fSEli Cohen 50113603f266SOz Shlomo static int 50123603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 5013d97b4b10SJianbo Liu const struct flow_action_entry *act, 5014d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 5015d97b4b10SJianbo Liu { 50163603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 50173603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 50183603f266SOz Shlomo "Offload not supported when conform action is not continue"); 50193603f266SOz Shlomo return -EOPNOTSUPP; 50203603f266SOz Shlomo } 50213603f266SOz Shlomo 5022d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 5023d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5024d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 5025d97b4b10SJianbo Liu return -EOPNOTSUPP; 5026d97b4b10SJianbo Liu } 5027d97b4b10SJianbo Liu 5028d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 5029d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 5030d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5031d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 5032d97b4b10SJianbo Liu return -EOPNOTSUPP; 5033d97b4b10SJianbo Liu } 5034d97b4b10SJianbo Liu 5035d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 5036d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 5037d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5038d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 5039d97b4b10SJianbo Liu return -EOPNOTSUPP; 5040d97b4b10SJianbo Liu } 5041d97b4b10SJianbo Liu 5042d97b4b10SJianbo Liu return 0; 5043d97b4b10SJianbo Liu } 5044d97b4b10SJianbo Liu 5045fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5046fcb64c0fSEli Cohen struct flow_action *flow_action, 5047fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5048fcb64c0fSEli Cohen { 5049fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5050fcb64c0fSEli Cohen const struct flow_action_entry *act; 5051fcb64c0fSEli Cohen int err; 5052fcb64c0fSEli Cohen int i; 5053fcb64c0fSEli Cohen 5054fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5055fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5056fcb64c0fSEli Cohen return -EINVAL; 5057fcb64c0fSEli Cohen } 5058fcb64c0fSEli Cohen 5059fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5060fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5061fcb64c0fSEli Cohen return -EOPNOTSUPP; 5062fcb64c0fSEli Cohen } 5063fcb64c0fSEli Cohen 50640885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 50650885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 5066319a1d19SJiri Pirko return -EOPNOTSUPP; 50670885ae1aSAbhiram R N } 5068319a1d19SJiri Pirko 5069fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5070fcb64c0fSEli Cohen switch (act->id) { 5071fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 50723603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 5073d97b4b10SJianbo Liu if (err) 5074d97b4b10SJianbo Liu return err; 5075d97b4b10SJianbo Liu 5076fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5077fcb64c0fSEli Cohen if (err) 5078fcb64c0fSEli Cohen return err; 5079fcb64c0fSEli Cohen 5080fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5081fcb64c0fSEli Cohen break; 5082fcb64c0fSEli Cohen default: 5083fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5084fcb64c0fSEli Cohen return -EOPNOTSUPP; 5085fcb64c0fSEli Cohen } 5086fcb64c0fSEli Cohen } 5087fcb64c0fSEli Cohen 5088fcb64c0fSEli Cohen return 0; 5089fcb64c0fSEli Cohen } 5090fcb64c0fSEli Cohen 5091fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5092fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5093fcb64c0fSEli Cohen { 5094fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5095fcb64c0fSEli Cohen 50967b83355fSEli Cohen if (ma->common.prio != 1) { 5097fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5098fcb64c0fSEli Cohen return -EINVAL; 5099fcb64c0fSEli Cohen } 5100fcb64c0fSEli Cohen 5101fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5102fcb64c0fSEli Cohen } 5103fcb64c0fSEli Cohen 5104fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5105fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5106fcb64c0fSEli Cohen { 5107fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5108fcb64c0fSEli Cohen 5109fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5110fcb64c0fSEli Cohen } 5111fcb64c0fSEli Cohen 5112fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5113fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5114fcb64c0fSEli Cohen { 5115fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5116fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5117fcb64c0fSEli Cohen u64 dbytes; 5118fcb64c0fSEli Cohen u64 dpkts; 5119fcb64c0fSEli Cohen 5120fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5121fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5122fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5123fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 51244b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 512593a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5126fcb64c0fSEli Cohen } 5127fcb64c0fSEli Cohen 51284d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 51294d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 51304d8fcf21SAlaa Hleihel { 5131f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 51324d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5133db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5134db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 51354d8fcf21SAlaa Hleihel u16 peer_vhca_id; 51364d8fcf21SAlaa Hleihel int bkt; 51374d8fcf21SAlaa Hleihel 5138ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 51394d8fcf21SAlaa Hleihel return; 51404d8fcf21SAlaa Hleihel 51414d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 51424d8fcf21SAlaa Hleihel 5143f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 5144f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 5145db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5146db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5147f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 5148db76ca24SVlad Buslov 5149db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5150db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5151db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5152a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5153db76ca24SVlad Buslov 5154db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5155db76ca24SVlad Buslov } 51564d8fcf21SAlaa Hleihel } 51574d8fcf21SAlaa Hleihel 51584d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 51594d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 51604d8fcf21SAlaa Hleihel { 51614d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 51624d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 51634d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 51644d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 51654d8fcf21SAlaa Hleihel 51664d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 51674d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 51684d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 51694d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51704d8fcf21SAlaa Hleihel 51714d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 517265f586c2SLama Kayal priv = tc->priv; 51734d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 51744d8fcf21SAlaa Hleihel if (priv == peer_priv || 51754d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 51764d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51774d8fcf21SAlaa Hleihel 51784d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 51794d8fcf21SAlaa Hleihel 51804d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51814d8fcf21SAlaa Hleihel } 51824d8fcf21SAlaa Hleihel 51836a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 51846a064674SAriel Levkovich { 51856a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 51866a064674SAriel Levkovich u32 max_flow_counter; 51876a064674SAriel Levkovich 51886a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 51896a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 51906a064674SAriel Levkovich 51916a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 51926a064674SAriel Levkovich 51936a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 51946a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 51956a064674SAriel Levkovich 51966a064674SAriel Levkovich return tc_tbl_size; 51976a064674SAriel Levkovich } 51986a064674SAriel Levkovich 519966cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 520066cb64e2SMaor Dickman { 5201f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5202f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 520366cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 520466cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 520566cb64e2SMaor Dickman int err = 0; 520666cb64e2SMaor Dickman 520766cb64e2SMaor Dickman ft_attr.max_fte = 1; 520866cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 520966cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 521066cb64e2SMaor Dickman ft_attr.prio = 0; 521166cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 521266cb64e2SMaor Dickman 521366cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 521466cb64e2SMaor Dickman if (IS_ERR(*ft)) { 521566cb64e2SMaor Dickman err = PTR_ERR(*ft); 521666cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 521766cb64e2SMaor Dickman } 521866cb64e2SMaor Dickman 521966cb64e2SMaor Dickman return err; 522066cb64e2SMaor Dickman } 522166cb64e2SMaor Dickman 522266cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 522366cb64e2SMaor Dickman { 5224f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5225f52f2faeSLama Kayal 5226f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 522766cb64e2SMaor Dickman } 522866cb64e2SMaor Dickman 5229655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5230e8f887acSAmir Vadai { 5231f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 52326a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5233c9355682SChris Mi struct mapping_ctx *chains_mapping; 52346a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 52352198b932SRoi Dayan u64 mapping_id; 52364d8fcf21SAlaa Hleihel int err; 5237e8f887acSAmir Vadai 5238b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5239b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5240b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 52415c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 524265f586c2SLama Kayal tc->priv = priv; 524311c9c548SOr Gerlitz 52444d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 52454d8fcf21SAlaa Hleihel if (err) 52464d8fcf21SAlaa Hleihel return err; 52474d8fcf21SAlaa Hleihel 52489ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 52495aa56105SVlad Buslov lockdep_init_map(&tc->ht.run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 52509ba33339SRoi Dayan 52512198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 52522198b932SRoi Dayan 52532198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 52542198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5255c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 52562198b932SRoi Dayan 5257c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5258c9355682SChris Mi err = PTR_ERR(chains_mapping); 5259c9355682SChris Mi goto err_mapping; 5260c9355682SChris Mi } 5261c9355682SChris Mi tc->mapping = chains_mapping; 5262c9355682SChris Mi 526366cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 526466cb64e2SMaor Dickman if (err) 526566cb64e2SMaor Dickman goto err_chains; 526666cb64e2SMaor Dickman 5267c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5268c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5269c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 52706a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 52716a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 52726a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5273f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5274c9355682SChris Mi attr.mapping = chains_mapping; 52756a064674SAriel Levkovich 52766a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 52776a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 52786a064674SAriel Levkovich err = PTR_ERR(tc->chains); 527966cb64e2SMaor Dickman goto err_miss; 52806a064674SAriel Levkovich } 52816a064674SAriel Levkovich 5282f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 528365f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5284f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5285aedd133dSAriel Levkovich 52864d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5287d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5288d48834f9SJiri Pirko &tc->netdevice_nb, 5289d48834f9SJiri Pirko &tc->netdevice_nn); 5290d48834f9SJiri Pirko if (err) { 52914d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 52924d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 52936a064674SAriel Levkovich goto err_reg; 52944d8fcf21SAlaa Hleihel } 52954d8fcf21SAlaa Hleihel 52960e414518SGal Pressman mlx5e_tc_debugfs_init(tc, mlx5e_fs_get_debugfs_root(priv->fs)); 52970e414518SGal Pressman 5298d13674b1SOz Shlomo tc->action_stats_handle = mlx5e_tc_act_stats_create(); 5299d13674b1SOz Shlomo if (IS_ERR(tc->action_stats_handle)) 5300d13674b1SOz Shlomo goto err_act_stats; 5301d13674b1SOz Shlomo 53026a064674SAriel Levkovich return 0; 53036a064674SAriel Levkovich 5304d13674b1SOz Shlomo err_act_stats: 5305d13674b1SOz Shlomo unregister_netdevice_notifier_dev_net(priv->netdev, 5306d13674b1SOz Shlomo &tc->netdevice_nb, 5307d13674b1SOz Shlomo &tc->netdevice_nn); 53086a064674SAriel Levkovich err_reg: 5309aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5310f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 53116a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 531266cb64e2SMaor Dickman err_miss: 531366cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 53146a064674SAriel Levkovich err_chains: 5315c9355682SChris Mi mapping_destroy(chains_mapping); 5316c9355682SChris Mi err_mapping: 53176a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 53184d8fcf21SAlaa Hleihel return err; 5319e8f887acSAmir Vadai } 5320e8f887acSAmir Vadai 5321e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5322e8f887acSAmir Vadai { 5323e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5324655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5325e8f887acSAmir Vadai 5326961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5327e8f887acSAmir Vadai kfree(flow); 5328e8f887acSAmir Vadai } 5329e8f887acSAmir Vadai 5330655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5331e8f887acSAmir Vadai { 5332f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5333e8f887acSAmir Vadai 53340e414518SGal Pressman debugfs_remove_recursive(tc->dfs_root); 53350e414518SGal Pressman 53364d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5337d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5338d48834f9SJiri Pirko &tc->netdevice_nb, 5339d48834f9SJiri Pirko &tc->netdevice_nn); 53404d8fcf21SAlaa Hleihel 5341b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5342b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5343b32accdaSVlad Buslov 53446a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5345e8f887acSAmir Vadai 5346acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 53476a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5348acff797cSMaor Gottlieb tc->t = NULL; 5349e8f887acSAmir Vadai } 5350b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 53516a064674SAriel Levkovich 5352aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5353f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5354c9355682SChris Mi mapping_destroy(tc->mapping); 53556a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 535666cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5357d13674b1SOz Shlomo mlx5e_tc_act_stats_free(tc->action_stats_handle); 5358e8f887acSAmir Vadai } 5359655dc3d2SOr Gerlitz 5360d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5361d1a3138fSPaul Blakey { 5362d1a3138fSPaul Blakey int err; 5363d1a3138fSPaul Blakey 5364d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5365d1a3138fSPaul Blakey if (err) 5366d1a3138fSPaul Blakey return err; 5367d1a3138fSPaul Blakey 5368d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 53695aa56105SVlad Buslov lockdep_init_map(&tc_ht->run_work.lockdep_map, "tc_ht_wq_key", &tc_ht_wq_key, 0); 5370d1a3138fSPaul Blakey 5371d1a3138fSPaul Blakey return 0; 5372d1a3138fSPaul Blakey } 5373d1a3138fSPaul Blakey 5374d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5375d1a3138fSPaul Blakey { 5376d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5377d1a3138fSPaul Blakey } 5378d1a3138fSPaul Blakey 5379d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5380655dc3d2SOr Gerlitz { 5381d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5382aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 53830a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5384aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5385aedd133dSAriel Levkovich struct mlx5e_priv *priv; 53862198b932SRoi Dayan u64 mapping_id; 5387aedd133dSAriel Levkovich int err = 0; 53880a7fcb78SPaul Blakey 5389aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5390aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5391aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 53920a7fcb78SPaul Blakey 5393f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5394f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5395aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5396aedd133dSAriel Levkovich esw_chains(esw), 5397aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5398f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5399f0da4daaSChris Mi uplink_priv->post_act); 54004c3844d9SPaul Blakey 54014f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 54024f4edcc2SAriel Levkovich 54032741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 54042a9ab10aSChris Mi 54052198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 54062198b932SRoi Dayan 54072198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 54082198b932SRoi Dayan sizeof(struct tunnel_match_key), 54090a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 54102198b932SRoi Dayan 54110a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54120a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54130a7fcb78SPaul Blakey goto err_tun_mapping; 54140a7fcb78SPaul Blakey } 54150a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 54160a7fcb78SPaul Blakey 54173222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 54183222efd4SVlad Buslov * and bridge ingress push mark. 54193222efd4SVlad Buslov */ 54202198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 54213222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 54220a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54230a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54240a7fcb78SPaul Blakey goto err_enc_opts_mapping; 54250a7fcb78SPaul Blakey } 54260a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 54270a7fcb78SPaul Blakey 54288914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 54292b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 54302b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 54318914add2SVlad Buslov goto err_register_fib_notifier; 54322b6c3c1eSWei Yongjun } 54338914add2SVlad Buslov 5434d13674b1SOz Shlomo uplink_priv->action_stats_handle = mlx5e_tc_act_stats_create(); 5435d13674b1SOz Shlomo if (IS_ERR(uplink_priv->action_stats_handle)) 5436d13674b1SOz Shlomo goto err_action_counter; 5437d13674b1SOz Shlomo 54382b6c3c1eSWei Yongjun return 0; 54390a7fcb78SPaul Blakey 5440d13674b1SOz Shlomo err_action_counter: 5441d13674b1SOz Shlomo mlx5e_tc_tun_cleanup(uplink_priv->encap); 54428914add2SVlad Buslov err_register_fib_notifier: 54430a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 54440a7fcb78SPaul Blakey err_enc_opts_mapping: 54450a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 54460a7fcb78SPaul Blakey err_tun_mapping: 54470027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 54484f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5449aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 54500a7fcb78SPaul Blakey netdev_warn(priv->netdev, 54510a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5452f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 54530a7fcb78SPaul Blakey return err; 5454655dc3d2SOr Gerlitz } 5455655dc3d2SOr Gerlitz 5456d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5457655dc3d2SOr Gerlitz { 54588914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 54598914add2SVlad Buslov 54600a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 54610a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 54624c3844d9SPaul Blakey 54630027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 54644f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5465aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 546674e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5467f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5468d13674b1SOz Shlomo mlx5e_tc_act_stats_free(uplink_priv->action_stats_handle); 5469655dc3d2SOr Gerlitz } 547001252a27SOr Gerlitz 5471226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 547201252a27SOr Gerlitz { 5473d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 547401252a27SOr Gerlitz 547501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 547601252a27SOr Gerlitz } 547704de7ddaSRoi Dayan 547804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 547904de7ddaSRoi Dayan { 548004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 548104de7ddaSRoi Dayan 548204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 548304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 548404de7ddaSRoi Dayan } 5485b4a23329SRoi Dayan 5486b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5487b4a23329SRoi Dayan { 5488b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5489b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5490b4a23329SRoi Dayan reoffload_flows_work); 5491b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5492b4a23329SRoi Dayan 5493ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5494b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5495b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5496ad86755bSVlad Buslov unready_flow_del(flow); 5497b4a23329SRoi Dayan } 5498ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5499b4a23329SRoi Dayan } 5500e2394a61SVlad Buslov 5501e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5502e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5503e2394a61SVlad Buslov unsigned long flags) 5504e2394a61SVlad Buslov { 5505e2394a61SVlad Buslov switch (cls_flower->command) { 5506e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5507e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5508e2394a61SVlad Buslov flags); 5509e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5510e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5511e2394a61SVlad Buslov flags); 5512e2394a61SVlad Buslov case FLOW_CLS_STATS: 5513e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5514e2394a61SVlad Buslov flags); 5515e2394a61SVlad Buslov default: 5516e2394a61SVlad Buslov return -EOPNOTSUPP; 5517e2394a61SVlad Buslov } 5518e2394a61SVlad Buslov } 5519e2394a61SVlad Buslov 5520e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5521e2394a61SVlad Buslov void *cb_priv) 5522e2394a61SVlad Buslov { 5523ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5524e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5525e2394a61SVlad Buslov 55262ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 55272ff349c5SRoi Dayan return -EOPNOTSUPP; 55282ff349c5SRoi Dayan 5529ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5530ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5531ec9457a6SRoi Dayan else 5532ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5533ec9457a6SRoi Dayan 5534e2394a61SVlad Buslov switch (type) { 5535e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5536e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5537e2394a61SVlad Buslov default: 5538e2394a61SVlad Buslov return -EOPNOTSUPP; 5539e2394a61SVlad Buslov } 5540e2394a61SVlad Buslov } 5541c7569097SAriel Levkovich 554293a1ab2cSPaul Blakey static bool mlx5e_tc_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, 554393a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 554493a1ab2cSPaul Blakey u32 tunnel_id) 5545c7569097SAriel Levkovich { 554693a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 554793a1ab2cSPaul Blakey struct tunnel_match_enc_opts enc_opts = {}; 554893a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 554993a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 555093a1ab2cSPaul Blakey struct metadata_dst *tun_dst; 555193a1ab2cSPaul Blakey struct tunnel_match_key key; 555293a1ab2cSPaul Blakey u32 tun_id, enc_opts_id; 555393a1ab2cSPaul Blakey struct net_device *dev; 5554c7569097SAriel Levkovich int err; 5555c7569097SAriel Levkovich 555693a1ab2cSPaul Blakey enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; 555793a1ab2cSPaul Blakey tun_id = tunnel_id >> ENC_OPTS_BITS; 5558c7569097SAriel Levkovich 555993a1ab2cSPaul Blakey if (!tun_id) 556093a1ab2cSPaul Blakey return true; 556193a1ab2cSPaul Blakey 556293a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 556393a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 556493a1ab2cSPaul Blakey 556593a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); 5566c7569097SAriel Levkovich if (err) { 5567c7569097SAriel Levkovich netdev_dbg(priv->netdev, 556893a1ab2cSPaul Blakey "Couldn't find tunnel for tun_id: %d, err: %d\n", 556993a1ab2cSPaul Blakey tun_id, err); 5570c7569097SAriel Levkovich return false; 5571c7569097SAriel Levkovich } 5572c7569097SAriel Levkovich 557393a1ab2cSPaul Blakey if (enc_opts_id) { 557493a1ab2cSPaul Blakey err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, 557593a1ab2cSPaul Blakey enc_opts_id, &enc_opts); 557693a1ab2cSPaul Blakey if (err) { 557793a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 557893a1ab2cSPaul Blakey "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", 557993a1ab2cSPaul Blakey enc_opts_id, err); 5580c7569097SAriel Levkovich return false; 558193a1ab2cSPaul Blakey } 558293a1ab2cSPaul Blakey } 558393a1ab2cSPaul Blakey 558493a1ab2cSPaul Blakey switch (key.enc_control.addr_type) { 558593a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 558693a1ab2cSPaul Blakey tun_dst = __ip_tun_set_dst(key.enc_ipv4.src, key.enc_ipv4.dst, 558793a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 558893a1ab2cSPaul Blakey key.enc_tp.dst, TUNNEL_KEY, 558993a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 559093a1ab2cSPaul Blakey enc_opts.key.len); 559193a1ab2cSPaul Blakey break; 559293a1ab2cSPaul Blakey case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 559393a1ab2cSPaul Blakey tun_dst = __ipv6_tun_set_dst(&key.enc_ipv6.src, &key.enc_ipv6.dst, 559493a1ab2cSPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 559593a1ab2cSPaul Blakey key.enc_tp.dst, 0, TUNNEL_KEY, 559693a1ab2cSPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 559793a1ab2cSPaul Blakey enc_opts.key.len); 559893a1ab2cSPaul Blakey break; 559993a1ab2cSPaul Blakey default: 560093a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 560193a1ab2cSPaul Blakey "Couldn't restore tunnel, unsupported addr_type: %d\n", 560293a1ab2cSPaul Blakey key.enc_control.addr_type); 560393a1ab2cSPaul Blakey return false; 560493a1ab2cSPaul Blakey } 560593a1ab2cSPaul Blakey 560693a1ab2cSPaul Blakey if (!tun_dst) { 560793a1ab2cSPaul Blakey netdev_dbg(priv->netdev, "Couldn't restore tunnel, no tun_dst\n"); 560893a1ab2cSPaul Blakey return false; 560993a1ab2cSPaul Blakey } 561093a1ab2cSPaul Blakey 561193a1ab2cSPaul Blakey tun_dst->u.tun_info.key.tp_src = key.enc_tp.src; 561293a1ab2cSPaul Blakey 561393a1ab2cSPaul Blakey if (enc_opts.key.len) 561493a1ab2cSPaul Blakey ip_tunnel_info_opts_set(&tun_dst->u.tun_info, 561593a1ab2cSPaul Blakey enc_opts.key.data, 561693a1ab2cSPaul Blakey enc_opts.key.len, 561793a1ab2cSPaul Blakey enc_opts.key.dst_opt_type); 561893a1ab2cSPaul Blakey 561993a1ab2cSPaul Blakey skb_dst_set(skb, (struct dst_entry *)tun_dst); 562093a1ab2cSPaul Blakey dev = dev_get_by_index(&init_net, key.filter_ifindex); 562193a1ab2cSPaul Blakey if (!dev) { 562293a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 562393a1ab2cSPaul Blakey "Couldn't find tunnel device with ifindex: %d\n", 562493a1ab2cSPaul Blakey key.filter_ifindex); 562593a1ab2cSPaul Blakey return false; 562693a1ab2cSPaul Blakey } 562793a1ab2cSPaul Blakey 562893a1ab2cSPaul Blakey /* Set fwd_dev so we do dev_put() after datapath */ 562993a1ab2cSPaul Blakey tc_priv->fwd_dev = dev; 563093a1ab2cSPaul Blakey 563193a1ab2cSPaul Blakey skb->dev = dev; 563293a1ab2cSPaul Blakey 563393a1ab2cSPaul Blakey return true; 563493a1ab2cSPaul Blakey } 563593a1ab2cSPaul Blakey 563667027828SPaul Blakey static bool mlx5e_tc_restore_skb_tc_meta(struct sk_buff *skb, struct mlx5_tc_ct_priv *ct_priv, 563767027828SPaul Blakey struct mlx5_mapped_obj *mapped_obj, u32 zone_restore_id, 563893a1ab2cSPaul Blakey u32 tunnel_id, struct mlx5e_tc_update_priv *tc_priv) 563993a1ab2cSPaul Blakey { 564093a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 564193a1ab2cSPaul Blakey struct tc_skb_ext *tc_skb_ext; 564267027828SPaul Blakey u64 act_miss_cookie; 564367027828SPaul Blakey u32 chain; 564493a1ab2cSPaul Blakey 564567027828SPaul Blakey chain = mapped_obj->type == MLX5_MAPPED_OBJ_CHAIN ? mapped_obj->chain : 0; 564667027828SPaul Blakey act_miss_cookie = mapped_obj->type == MLX5_MAPPED_OBJ_ACT_MISS ? 564767027828SPaul Blakey mapped_obj->act_miss_cookie : 0; 564867027828SPaul Blakey if (chain || act_miss_cookie) { 564993a1ab2cSPaul Blakey if (!mlx5e_tc_ct_restore_flow(ct_priv, skb, zone_restore_id)) 565093a1ab2cSPaul Blakey return false; 565193a1ab2cSPaul Blakey 565293a1ab2cSPaul Blakey tc_skb_ext = tc_skb_ext_alloc(skb); 565393a1ab2cSPaul Blakey if (!tc_skb_ext) { 565493a1ab2cSPaul Blakey WARN_ON(1); 565593a1ab2cSPaul Blakey return false; 565693a1ab2cSPaul Blakey } 5657c7569097SAriel Levkovich 565867027828SPaul Blakey if (act_miss_cookie) { 565967027828SPaul Blakey tc_skb_ext->act_miss_cookie = act_miss_cookie; 566067027828SPaul Blakey tc_skb_ext->act_miss = 1; 566167027828SPaul Blakey } else { 5662c7569097SAriel Levkovich tc_skb_ext->chain = chain; 566393a1ab2cSPaul Blakey } 566467027828SPaul Blakey } 5665aedd133dSAriel Levkovich 566693a1ab2cSPaul Blakey if (tc_priv) 566793a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 5668aedd133dSAriel Levkovich 566993a1ab2cSPaul Blakey return true; 567093a1ab2cSPaul Blakey } 567193a1ab2cSPaul Blakey 567293a1ab2cSPaul Blakey static void mlx5e_tc_restore_skb_sample(struct mlx5e_priv *priv, struct sk_buff *skb, 567393a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 567493a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 567593a1ab2cSPaul Blakey { 567693a1ab2cSPaul Blakey if (!mlx5e_tc_restore_tunnel(priv, skb, tc_priv, mapped_obj->sample.tunnel_id)) { 567793a1ab2cSPaul Blakey netdev_dbg(priv->netdev, 567893a1ab2cSPaul Blakey "Failed to restore tunnel info for sampled packet\n"); 567993a1ab2cSPaul Blakey return; 568093a1ab2cSPaul Blakey } 568193a1ab2cSPaul Blakey mlx5e_tc_sample_skb(skb, mapped_obj); 568293a1ab2cSPaul Blakey } 568393a1ab2cSPaul Blakey 568493a1ab2cSPaul Blakey static bool mlx5e_tc_restore_skb_int_port(struct mlx5e_priv *priv, struct sk_buff *skb, 568593a1ab2cSPaul Blakey struct mlx5_mapped_obj *mapped_obj, 568693a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 568793a1ab2cSPaul Blakey u32 tunnel_id) 568893a1ab2cSPaul Blakey { 568993a1ab2cSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 569093a1ab2cSPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 569193a1ab2cSPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 569293a1ab2cSPaul Blakey bool forward_tx = false; 569393a1ab2cSPaul Blakey 569493a1ab2cSPaul Blakey /* Tunnel restore takes precedence over int port restore */ 569593a1ab2cSPaul Blakey if (tunnel_id) 569693a1ab2cSPaul Blakey return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); 569793a1ab2cSPaul Blakey 569893a1ab2cSPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 569993a1ab2cSPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 570093a1ab2cSPaul Blakey 570193a1ab2cSPaul Blakey if (mlx5e_tc_int_port_dev_fwd(uplink_priv->int_port_priv, skb, 570293a1ab2cSPaul Blakey mapped_obj->int_port_metadata, &forward_tx)) { 570393a1ab2cSPaul Blakey /* Set fwd_dev for future dev_put */ 570493a1ab2cSPaul Blakey tc_priv->fwd_dev = skb->dev; 570593a1ab2cSPaul Blakey tc_priv->forward_tx = forward_tx; 570693a1ab2cSPaul Blakey 570793a1ab2cSPaul Blakey return true; 570893a1ab2cSPaul Blakey } 570993a1ab2cSPaul Blakey 5710aedd133dSAriel Levkovich return false; 571193a1ab2cSPaul Blakey } 571293a1ab2cSPaul Blakey 571393a1ab2cSPaul Blakey bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb, 571493a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx, u32 mapped_obj_id, 571593a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv, 571693a1ab2cSPaul Blakey u32 zone_restore_id, u32 tunnel_id, 571793a1ab2cSPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 571893a1ab2cSPaul Blakey { 571993a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 572093a1ab2cSPaul Blakey struct mlx5_mapped_obj mapped_obj; 572193a1ab2cSPaul Blakey int err; 572293a1ab2cSPaul Blakey 572393a1ab2cSPaul Blakey err = mapping_find(mapping_ctx, mapped_obj_id, &mapped_obj); 572493a1ab2cSPaul Blakey if (err) { 572593a1ab2cSPaul Blakey netdev_dbg(skb->dev, 572693a1ab2cSPaul Blakey "Couldn't find mapped object for mapped_obj_id: %d, err: %d\n", 572793a1ab2cSPaul Blakey mapped_obj_id, err); 572893a1ab2cSPaul Blakey return false; 572993a1ab2cSPaul Blakey } 573093a1ab2cSPaul Blakey 573193a1ab2cSPaul Blakey switch (mapped_obj.type) { 573293a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_CHAIN: 573367027828SPaul Blakey case MLX5_MAPPED_OBJ_ACT_MISS: 573467027828SPaul Blakey return mlx5e_tc_restore_skb_tc_meta(skb, ct_priv, &mapped_obj, zone_restore_id, 573593a1ab2cSPaul Blakey tunnel_id, tc_priv); 573693a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_SAMPLE: 573793a1ab2cSPaul Blakey mlx5e_tc_restore_skb_sample(priv, skb, &mapped_obj, tc_priv); 573893a1ab2cSPaul Blakey tc_priv->skb_done = true; 573993a1ab2cSPaul Blakey return true; 574093a1ab2cSPaul Blakey case MLX5_MAPPED_OBJ_INT_PORT_METADATA: 574193a1ab2cSPaul Blakey return mlx5e_tc_restore_skb_int_port(priv, skb, &mapped_obj, tc_priv, tunnel_id); 574293a1ab2cSPaul Blakey default: 5743a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5744a91d98a0SChris Mi return false; 5745c7569097SAriel Levkovich } 5746c7569097SAriel Levkovich 574793a1ab2cSPaul Blakey return false; 574893a1ab2cSPaul Blakey } 574993a1ab2cSPaul Blakey 575093a1ab2cSPaul Blakey bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb) 575193a1ab2cSPaul Blakey { 575293a1ab2cSPaul Blakey struct mlx5e_priv *priv = netdev_priv(skb->dev); 575393a1ab2cSPaul Blakey u32 mapped_obj_id, reg_b, zone_restore_id; 575493a1ab2cSPaul Blakey struct mlx5_tc_ct_priv *ct_priv; 575593a1ab2cSPaul Blakey struct mapping_ctx *mapping_ctx; 575693a1ab2cSPaul Blakey struct mlx5e_tc_table *tc; 575793a1ab2cSPaul Blakey 575893a1ab2cSPaul Blakey reg_b = be32_to_cpu(cqe->ft_metadata); 575993a1ab2cSPaul Blakey tc = mlx5e_fs_get_tc(priv->fs); 576093a1ab2cSPaul Blakey mapped_obj_id = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 576193a1ab2cSPaul Blakey zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 576293a1ab2cSPaul Blakey ESW_ZONE_ID_MASK; 576393a1ab2cSPaul Blakey ct_priv = tc->ct; 576493a1ab2cSPaul Blakey mapping_ctx = tc->mapping; 576593a1ab2cSPaul Blakey 576693a1ab2cSPaul Blakey return mlx5e_tc_update_skb(cqe, skb, mapping_ctx, mapped_obj_id, ct_priv, zone_restore_id, 576793a1ab2cSPaul Blakey 0, NULL); 5768c7569097SAriel Levkovich } 576967027828SPaul Blakey 577067027828SPaul Blakey int mlx5e_tc_action_miss_mapping_get(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 577167027828SPaul Blakey u64 act_miss_cookie, u32 *act_miss_mapping) 577267027828SPaul Blakey { 577367027828SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 577467027828SPaul Blakey struct mlx5_mapped_obj mapped_obj = {}; 577567027828SPaul Blakey struct mapping_ctx *ctx; 577667027828SPaul Blakey int err; 577767027828SPaul Blakey 577867027828SPaul Blakey ctx = esw->offloads.reg_c0_obj_pool; 577967027828SPaul Blakey 578067027828SPaul Blakey mapped_obj.type = MLX5_MAPPED_OBJ_ACT_MISS; 578167027828SPaul Blakey mapped_obj.act_miss_cookie = act_miss_cookie; 578267027828SPaul Blakey err = mapping_add(ctx, &mapped_obj, act_miss_mapping); 578367027828SPaul Blakey if (err) 578467027828SPaul Blakey return err; 578567027828SPaul Blakey 578667027828SPaul Blakey attr->act_id_restore_rule = esw_add_restore_rule(esw, *act_miss_mapping); 578767027828SPaul Blakey if (IS_ERR(attr->act_id_restore_rule)) 578867027828SPaul Blakey goto err_rule; 578967027828SPaul Blakey 579067027828SPaul Blakey return 0; 579167027828SPaul Blakey 579267027828SPaul Blakey err_rule: 579367027828SPaul Blakey mapping_remove(ctx, *act_miss_mapping); 579467027828SPaul Blakey return err; 579567027828SPaul Blakey } 579667027828SPaul Blakey 579767027828SPaul Blakey void mlx5e_tc_action_miss_mapping_put(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr, 579867027828SPaul Blakey u32 act_miss_mapping) 579967027828SPaul Blakey { 580067027828SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 580167027828SPaul Blakey struct mapping_ctx *ctx; 580267027828SPaul Blakey 580367027828SPaul Blakey ctx = esw->offloads.reg_c0_obj_pool; 580467027828SPaul Blakey mlx5_del_flow_rules(attr->act_id_restore_rule); 580567027828SPaul Blakey mapping_remove(ctx, act_miss_mapping); 580667027828SPaul Blakey } 5807