1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 38e8f887acSAmir Vadai #include <linux/mlx5/device.h> 39e8f887acSAmir Vadai #include <linux/rhashtable.h> 405a7e5bcbSVlad Buslov #include <linux/refcount.h> 41db76ca24SVlad Buslov #include <linux/completion.h> 42f6dfb4c3SHadar Hen Zion #include <net/arp.h> 433616d08bSDavid Ahern #include <net/ipv6_stubs.h> 44f828ca6aSEli Cohen #include <net/bareudp.h> 45d34eb2fcSOr Gerlitz #include <net/bonding.h> 46e8f887acSAmir Vadai #include "en.h" 47f0da4daaSChris Mi #include "en/tc/post_act.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49768c3667SVlad Buslov #include "en/rep/tc.h" 50e2394a61SVlad Buslov #include "en/rep/neigh.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 533f6d08d1SOr Gerlitz #include "fs_core.h" 542c81bfd5SHuy Nguyen #include "en/port.h" 55101f4de9SOz Shlomo #include "en/tc_tun.h" 560a7fcb78SPaul Blakey #include "en/mapping.h" 574c3844d9SPaul Blakey #include "en/tc_ct.h" 58b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 590d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 600027d70cSChris Mi #include "en/tc/sample.h" 61fad54790SRoi Dayan #include "en/tc/act/act.h" 6206fe52a4SJianbo Liu #include "en/tc/post_meter.h" 6304de7ddaSRoi Dayan #include "lib/devcom.h" 649272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 65ae430332SAriel Levkovich #include "lib/fs_chains.h" 667a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 671fe3e316SParav Pandit #include <asm/div64.h> 68016c8946SJakub Kicinski #include "lag/lag.h" 69016c8946SJakub Kicinski #include "lag/mp.h" 70e8f887acSAmir Vadai 71acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 726a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 73e8f887acSAmir Vadai 741a803472SGal Pressman struct mlx5e_hairpin_params { 751a803472SGal Pressman struct mlx5_core_dev *mdev; 761a803472SGal Pressman u32 num_queues; 771a803472SGal Pressman u32 queue_size; 781a803472SGal Pressman }; 791a803472SGal Pressman 8023bde065SLama Kayal struct mlx5e_tc_table { 8123bde065SLama Kayal /* Protects the dynamic assignment of the t parameter 8223bde065SLama Kayal * which is the nic tc root table. 8323bde065SLama Kayal */ 8423bde065SLama Kayal struct mutex t_lock; 8523bde065SLama Kayal struct mlx5e_priv *priv; 8623bde065SLama Kayal struct mlx5_flow_table *t; 8723bde065SLama Kayal struct mlx5_flow_table *miss_t; 8823bde065SLama Kayal struct mlx5_fs_chains *chains; 8923bde065SLama Kayal struct mlx5e_post_act *post_act; 9023bde065SLama Kayal 9123bde065SLama Kayal struct rhashtable ht; 9223bde065SLama Kayal 9323bde065SLama Kayal struct mod_hdr_tbl mod_hdr; 9423bde065SLama Kayal struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ 9523bde065SLama Kayal DECLARE_HASHTABLE(hairpin_tbl, 8); 9623bde065SLama Kayal 9723bde065SLama Kayal struct notifier_block netdevice_nb; 9823bde065SLama Kayal struct netdev_net_notifier netdevice_nn; 9923bde065SLama Kayal 10023bde065SLama Kayal struct mlx5_tc_ct_priv *ct; 10123bde065SLama Kayal struct mapping_ctx *mapping; 1021a803472SGal Pressman struct mlx5e_hairpin_params hairpin_params; 103*0e414518SGal Pressman struct dentry *dfs_root; 10423bde065SLama Kayal }; 10523bde065SLama Kayal 1068f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1078f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1088f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1098f1e0b97SPaul Blakey .moffset = 0, 110ed2fe7baSPaul Blakey .mlen = 16, 1118f1e0b97SPaul Blakey }, 11210742efcSVlad Buslov [VPORT_TO_REG] = { 11310742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 114ed2fe7baSPaul Blakey .moffset = 16, 115ed2fe7baSPaul Blakey .mlen = 16, 11610742efcSVlad Buslov }, 1170a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1180a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 119ed2fe7baSPaul Blakey .moffset = 8, 120ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 1210a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1220a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1230a7fcb78SPaul Blakey }, 1244c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 125a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1264c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1274c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1284c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1294c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 13039c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 131c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 132c7569097SAriel Levkovich * jump between steering domains. 133c7569097SAriel Levkovich */ 134c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 135c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 136c7569097SAriel Levkovich .moffset = 0, 137ed2fe7baSPaul Blakey .mlen = 16, 138c7569097SAriel Levkovich }, 139aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 14006fe52a4SJianbo Liu [PACKET_COLOR_TO_REG] = packet_color_to_reg, 1418f1e0b97SPaul Blakey }; 1428f1e0b97SPaul Blakey 143c84fa1abSOz Shlomo struct mlx5e_tc_jump_state { 144c84fa1abSOz Shlomo u32 jump_count; 145c84fa1abSOz Shlomo bool jump_target; 146c84fa1abSOz Shlomo struct mlx5_flow_attr *jumping_attr; 147c84fa1abSOz Shlomo 148c84fa1abSOz Shlomo enum flow_action_id last_id; 149c84fa1abSOz Shlomo u32 last_index; 150c84fa1abSOz Shlomo }; 151c84fa1abSOz Shlomo 15223bde065SLama Kayal struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) 15323bde065SLama Kayal { 15423bde065SLama Kayal struct mlx5e_tc_table *tc; 15523bde065SLama Kayal 15623bde065SLama Kayal tc = kvzalloc(sizeof(*tc), GFP_KERNEL); 15723bde065SLama Kayal return tc ? tc : ERR_PTR(-ENOMEM); 15823bde065SLama Kayal } 15923bde065SLama Kayal 16023bde065SLama Kayal void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) 16123bde065SLama Kayal { 16223bde065SLama Kayal kvfree(tc); 16323bde065SLama Kayal } 16423bde065SLama Kayal 16523bde065SLama Kayal struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc) 16623bde065SLama Kayal { 16723bde065SLama Kayal return tc->chains; 16823bde065SLama Kayal } 16923bde065SLama Kayal 1709ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1719ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1729ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1739ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1749ba33339SRoi Dayan * it's different than the ht->mutex here. 1759ba33339SRoi Dayan */ 1769ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_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 28827484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 28927484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 29027484f71SAriel Levkovich { 29127484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 29227484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 29327484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 29427484f71SAriel Levkovich 29527484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 29627484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 29727484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 29827484f71SAriel Levkovich 29927484f71SAriel Levkovich return uplink_priv->int_port_priv; 30027484f71SAriel Levkovich } 30127484f71SAriel Levkovich 30227484f71SAriel Levkovich return NULL; 30327484f71SAriel Levkovich } 30427484f71SAriel Levkovich 30574e6b2a8SJianbo Liu struct mlx5e_flow_meters * 30674e6b2a8SJianbo Liu mlx5e_get_flow_meters(struct mlx5_core_dev *dev) 30774e6b2a8SJianbo Liu { 30874e6b2a8SJianbo Liu struct mlx5_eswitch *esw = dev->priv.eswitch; 30974e6b2a8SJianbo Liu struct mlx5_rep_uplink_priv *uplink_priv; 31074e6b2a8SJianbo Liu struct mlx5e_rep_priv *uplink_rpriv; 31174e6b2a8SJianbo Liu struct mlx5e_priv *priv; 31274e6b2a8SJianbo Liu 31374e6b2a8SJianbo Liu if (is_mdev_switchdev_mode(dev)) { 31474e6b2a8SJianbo Liu uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 31574e6b2a8SJianbo Liu uplink_priv = &uplink_rpriv->uplink_priv; 31674e6b2a8SJianbo Liu priv = netdev_priv(uplink_rpriv->netdev); 31774e6b2a8SJianbo Liu if (!uplink_priv->flow_meters) 31874e6b2a8SJianbo Liu uplink_priv->flow_meters = 31974e6b2a8SJianbo Liu mlx5e_flow_meters_init(priv, 32074e6b2a8SJianbo Liu MLX5_FLOW_NAMESPACE_FDB, 32174e6b2a8SJianbo Liu uplink_priv->post_act); 32274e6b2a8SJianbo Liu if (!IS_ERR(uplink_priv->flow_meters)) 32374e6b2a8SJianbo Liu return uplink_priv->flow_meters; 32474e6b2a8SJianbo Liu } 32574e6b2a8SJianbo Liu 32674e6b2a8SJianbo Liu return NULL; 32774e6b2a8SJianbo Liu } 32874e6b2a8SJianbo Liu 329aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 330aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 331aedd133dSAriel Levkovich { 332f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 333aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 334aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 335aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 336aedd133dSAriel Levkovich 337e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 338aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 339aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 340aedd133dSAriel Levkovich 341aedd133dSAriel Levkovich return uplink_priv->ct_priv; 342aedd133dSAriel Levkovich } 343aedd133dSAriel Levkovich 344f52f2faeSLama Kayal return tc->ct; 345aedd133dSAriel Levkovich } 346aedd133dSAriel Levkovich 3470027d70cSChris Mi static struct mlx5e_tc_psample * 348f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 349f94d6389SChris Mi { 350f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 351f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 352f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 353f94d6389SChris Mi 354f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 355f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 356f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 357f94d6389SChris Mi 3580027d70cSChris Mi return uplink_priv->tc_psample; 359f94d6389SChris Mi } 360f94d6389SChris Mi 361f94d6389SChris Mi return NULL; 362f94d6389SChris Mi } 363f94d6389SChris Mi 3648300f225SRoi Dayan static struct mlx5e_post_act * 3658300f225SRoi Dayan get_post_action(struct mlx5e_priv *priv) 3668300f225SRoi Dayan { 367f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 3688300f225SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3698300f225SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 3708300f225SRoi Dayan struct mlx5e_rep_priv *uplink_rpriv; 3718300f225SRoi Dayan 3728300f225SRoi Dayan if (is_mdev_switchdev_mode(priv->mdev)) { 3738300f225SRoi Dayan uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3748300f225SRoi Dayan uplink_priv = &uplink_rpriv->uplink_priv; 3758300f225SRoi Dayan 3768300f225SRoi Dayan return uplink_priv->post_act; 3778300f225SRoi Dayan } 3788300f225SRoi Dayan 379f52f2faeSLama Kayal return tc->post_act; 3808300f225SRoi Dayan } 3818300f225SRoi Dayan 382aedd133dSAriel Levkovich struct mlx5_flow_handle * 383aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 384aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 385aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 386aedd133dSAriel Levkovich { 387aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 388aedd133dSAriel Levkovich 389e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 390aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 391aedd133dSAriel Levkovich 392aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 393aedd133dSAriel Levkovich } 394aedd133dSAriel Levkovich 395aedd133dSAriel Levkovich void 396aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 397aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 398aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 399aedd133dSAriel Levkovich { 400aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 401aedd133dSAriel Levkovich 402e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 403aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 404aedd133dSAriel Levkovich return; 405aedd133dSAriel Levkovich } 406aedd133dSAriel Levkovich 407aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 408aedd133dSAriel Levkovich } 409aedd133dSAriel Levkovich 410a8d52b02SJianbo Liu static bool 411a8d52b02SJianbo Liu is_flow_meter_action(struct mlx5_flow_attr *attr) 412a8d52b02SJianbo Liu { 4136fda078dSOz Shlomo return (((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && 4146fda078dSOz Shlomo (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)) || 4156fda078dSOz Shlomo attr->flags & MLX5_ATTR_FLAG_MTU); 416a8d52b02SJianbo Liu } 417a8d52b02SJianbo Liu 418a8d52b02SJianbo Liu static int 419a8d52b02SJianbo Liu mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, 420a8d52b02SJianbo Liu struct mlx5_flow_attr *attr) 421a8d52b02SJianbo Liu { 422e5b1db27SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(priv); 423e5b1db27SRoi Dayan struct mlx5e_post_meter_priv *post_meter; 424e5b1db27SRoi Dayan enum mlx5_flow_namespace_type ns_type; 425a8d52b02SJianbo Liu struct mlx5e_flow_meter_handle *meter; 4266fda078dSOz Shlomo enum mlx5e_post_meter_type type; 427a8d52b02SJianbo Liu 428f8e9d413SRoi Dayan meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); 429a8d52b02SJianbo Liu if (IS_ERR(meter)) { 430a8d52b02SJianbo Liu mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); 431a8d52b02SJianbo Liu return PTR_ERR(meter); 432a8d52b02SJianbo Liu } 433a8d52b02SJianbo Liu 434e5b1db27SRoi Dayan ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); 4356fda078dSOz Shlomo type = meter->params.mtu ? MLX5E_POST_METER_MTU : MLX5E_POST_METER_RATE; 4360d8c38d4SOz Shlomo post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, 4376fda078dSOz Shlomo type, 4380d8c38d4SOz Shlomo meter->act_counter, meter->drop_counter, 4390d8c38d4SOz Shlomo attr->branch_true, attr->branch_false); 440e5b1db27SRoi Dayan if (IS_ERR(post_meter)) { 441e5b1db27SRoi Dayan mlx5_core_err(priv->mdev, "Failed to init post meter\n"); 442e5b1db27SRoi Dayan goto err_meter_init; 443e5b1db27SRoi Dayan } 444e5b1db27SRoi Dayan 445a8d52b02SJianbo Liu attr->meter_attr.meter = meter; 446e5b1db27SRoi Dayan attr->meter_attr.post_meter = post_meter; 447e5b1db27SRoi Dayan attr->dest_ft = mlx5e_post_meter_get_ft(post_meter); 448a8d52b02SJianbo Liu attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 449a8d52b02SJianbo Liu 450a8d52b02SJianbo Liu return 0; 451e5b1db27SRoi Dayan 452e5b1db27SRoi Dayan err_meter_init: 453e5b1db27SRoi Dayan mlx5e_tc_meter_put(meter); 454e5b1db27SRoi Dayan return PTR_ERR(post_meter); 455e5b1db27SRoi Dayan } 456e5b1db27SRoi Dayan 457e5b1db27SRoi Dayan static void 4580d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) 459e5b1db27SRoi Dayan { 4600d8c38d4SOz Shlomo mlx5e_post_meter_cleanup(esw, attr->meter_attr.post_meter); 461e5b1db27SRoi Dayan mlx5e_tc_meter_put(attr->meter_attr.meter); 462a8d52b02SJianbo Liu } 463a8d52b02SJianbo Liu 46484ba8062SRoi Dayan struct mlx5_flow_handle * 46584ba8062SRoi Dayan mlx5e_tc_rule_offload(struct mlx5e_priv *priv, 46684ba8062SRoi Dayan struct mlx5_flow_spec *spec, 46784ba8062SRoi Dayan struct mlx5_flow_attr *attr) 46884ba8062SRoi Dayan { 46984ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 470a8d52b02SJianbo Liu int err; 47184ba8062SRoi Dayan 47284ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 47384ba8062SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = 47484ba8062SRoi Dayan &attr->parse_attr->mod_hdr_acts; 47584ba8062SRoi Dayan 476a572c0a7SRoi Dayan return mlx5_tc_ct_flow_offload(get_ct_priv(priv), 47784ba8062SRoi Dayan spec, attr, 47884ba8062SRoi Dayan mod_hdr_acts); 47984ba8062SRoi Dayan } 48084ba8062SRoi Dayan 48184ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) 48284ba8062SRoi Dayan return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 48384ba8062SRoi Dayan 48484ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) 48573a3f1bcSRoi Dayan return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr); 48684ba8062SRoi Dayan 487a8d52b02SJianbo Liu if (is_flow_meter_action(attr)) { 488a8d52b02SJianbo Liu err = mlx5e_tc_add_flow_meter(priv, attr); 489a8d52b02SJianbo Liu if (err) 490a8d52b02SJianbo Liu return ERR_PTR(err); 491a8d52b02SJianbo Liu } 492a8d52b02SJianbo Liu 49384ba8062SRoi Dayan return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 49484ba8062SRoi Dayan } 49584ba8062SRoi Dayan 49684ba8062SRoi Dayan void 49784ba8062SRoi Dayan mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv, 498a572c0a7SRoi Dayan struct mlx5_flow_handle *rule, 49984ba8062SRoi Dayan struct mlx5_flow_attr *attr) 50084ba8062SRoi Dayan { 50184ba8062SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 50284ba8062SRoi Dayan 50384ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) { 504a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr); 50584ba8062SRoi Dayan return; 50684ba8062SRoi Dayan } 50784ba8062SRoi Dayan 50884ba8062SRoi Dayan if (!is_mdev_switchdev_mode(priv->mdev)) { 50984ba8062SRoi Dayan mlx5e_del_offloaded_nic_rule(priv, rule, attr); 51084ba8062SRoi Dayan return; 51184ba8062SRoi Dayan } 51284ba8062SRoi Dayan 51384ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { 51484ba8062SRoi Dayan mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr); 51584ba8062SRoi Dayan return; 51684ba8062SRoi Dayan } 51784ba8062SRoi Dayan 51884ba8062SRoi Dayan mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 519a8d52b02SJianbo Liu 520a8d52b02SJianbo Liu if (attr->meter_attr.meter) 5210d8c38d4SOz Shlomo mlx5e_tc_del_flow_meter(esw, attr); 52284ba8062SRoi Dayan } 52384ba8062SRoi Dayan 524c7b9038dSVlad Buslov int 525c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 526c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 527c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 528c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 529c7b9038dSVlad Buslov u32 data) 530c7b9038dSVlad Buslov { 531c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 532c7b9038dSVlad Buslov 533c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 534c7b9038dSVlad Buslov } 535c7b9038dSVlad Buslov 536c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 537c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 538c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 539c7b9038dSVlad Buslov int act_id, u32 data) 540c7b9038dSVlad Buslov { 541c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 542c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 543c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 544c7b9038dSVlad Buslov char *modact; 545c7b9038dSVlad Buslov 5462c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 547c7b9038dSVlad Buslov 548c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 549ed2fe7baSPaul Blakey if (mlen == 32) 550c7b9038dSVlad Buslov mlen = 0; 551c7b9038dSVlad Buslov 552c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 553c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 554ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 555ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 556c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 557c7b9038dSVlad Buslov } 558c7b9038dSVlad Buslov 55977ab67b7SOr Gerlitz struct mlx5e_hairpin { 56077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 56177ab67b7SOr Gerlitz 56277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 5633f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 56477ab67b7SOr Gerlitz u32 tdn; 565a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 5663f6d08d1SOr Gerlitz 5673f6d08d1SOr Gerlitz int num_channels; 5683f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 569a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 570f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 57177ab67b7SOr Gerlitz }; 57277ab67b7SOr Gerlitz 5735c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 5745c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 5755c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 5765c65c564SOr Gerlitz 57773edca73SVlad Buslov /* protects flows list */ 57873edca73SVlad Buslov spinlock_t flows_lock; 5795c65c564SOr Gerlitz /* flows sharing the same hairpin */ 5805c65c564SOr Gerlitz struct list_head flows; 581db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 582db76ca24SVlad Buslov * function traversed them. 583db76ca24SVlad Buslov */ 584db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 5855c65c564SOr Gerlitz 586d8822868SOr Gerlitz u16 peer_vhca_id; 587106be53bSOr Gerlitz u8 prio; 5885c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 589e4f9abbdSVlad Buslov refcount_t refcnt; 590db76ca24SVlad Buslov struct completion res_ready; 5915c65c564SOr Gerlitz }; 5925c65c564SOr Gerlitz 5935a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 5945a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 5955a7e5bcbSVlad Buslov 5960d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 5975a7e5bcbSVlad Buslov { 5985a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 5995a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 6005a7e5bcbSVlad Buslov return flow; 6015a7e5bcbSVlad Buslov } 6025a7e5bcbSVlad Buslov 6030d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 6045a7e5bcbSVlad Buslov { 6055a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 6065a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 607c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 6085a7e5bcbSVlad Buslov } 6095a7e5bcbSVlad Buslov } 6105a7e5bcbSVlad Buslov 611aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 612226f2ca3SVlad Buslov { 613226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 614226f2ca3SVlad Buslov } 615226f2ca3SVlad Buslov 61667d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 61784179981SPaul Blakey { 61884179981SPaul Blakey return flow_flag_test(flow, FT); 61984179981SPaul Blakey } 62084179981SPaul Blakey 6210d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 622226f2ca3SVlad Buslov { 623226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 624226f2ca3SVlad Buslov } 625226f2ca3SVlad Buslov 626e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 627d2faae25SVlad Buslov { 628d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 629d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 630d2faae25SVlad Buslov } 631b2fdf3d0SPaul Blakey 6328facc02fSOz Shlomo static struct mlx5_core_dev * 6338facc02fSOz Shlomo get_flow_counter_dev(struct mlx5e_tc_flow *flow) 6348facc02fSOz Shlomo { 6358facc02fSOz Shlomo return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev; 6368facc02fSOz Shlomo } 6378facc02fSOz Shlomo 638b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 639b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 640b2fdf3d0SPaul Blakey { 641f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 642b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 643b2fdf3d0SPaul Blakey 644e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 645b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 646f52f2faeSLama Kayal &tc->mod_hdr; 647b2fdf3d0SPaul Blakey } 648b2fdf3d0SPaul Blakey 64911c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 65011c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 65111c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 65211c9c548SOr Gerlitz { 653b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 654b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 65511c9c548SOr Gerlitz 656b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 657e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 658b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 659b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 660b2fdf3d0SPaul Blakey return PTR_ERR(mh); 66111c9c548SOr Gerlitz 662b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 663c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 664b2fdf3d0SPaul Blakey flow->mh = mh; 66511c9c548SOr Gerlitz 66611c9c548SOr Gerlitz return 0; 66711c9c548SOr Gerlitz } 66811c9c548SOr Gerlitz 66911c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 67011c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 67111c9c548SOr Gerlitz { 6725a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 673dd58edc3SVlad Buslov if (!flow->mh) 6745a7e5bcbSVlad Buslov return; 6755a7e5bcbSVlad Buslov 676b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 677b2fdf3d0SPaul Blakey flow->mh); 678dd58edc3SVlad Buslov flow->mh = NULL; 67911c9c548SOr Gerlitz } 68011c9c548SOr Gerlitz 68177ab67b7SOr Gerlitz static 68277ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 68377ab67b7SOr Gerlitz { 684b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 68577ab67b7SOr Gerlitz struct net_device *netdev; 68677ab67b7SOr Gerlitz struct mlx5e_priv *priv; 68777ab67b7SOr Gerlitz 688b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 689b1c2f631SDima Chumak if (!netdev) 690b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 691b1c2f631SDima Chumak 69277ab67b7SOr Gerlitz priv = netdev_priv(netdev); 693b1c2f631SDima Chumak mdev = priv->mdev; 694b1c2f631SDima Chumak dev_put(netdev); 695b1c2f631SDima Chumak 696b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 697b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 698b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 699b1c2f631SDima Chumak * 700b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 701b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 702b1c2f631SDima Chumak * removed. 703b1c2f631SDima Chumak * 704b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 705b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 706b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 707b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 708b1c2f631SDima Chumak */ 709b1c2f631SDima Chumak return mdev; 71077ab67b7SOr Gerlitz } 71177ab67b7SOr Gerlitz 71277ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 71377ab67b7SOr Gerlitz { 714a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 71577ab67b7SOr Gerlitz int err; 71677ab67b7SOr Gerlitz 717a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 718a6696735SMaxim Mikityanskiy if (!builder) 719a6696735SMaxim Mikityanskiy return -ENOMEM; 720a6696735SMaxim Mikityanskiy 72177ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 72277ab67b7SOr Gerlitz if (err) 723a6696735SMaxim Mikityanskiy goto out; 72477ab67b7SOr Gerlitz 725a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 726a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 72777ab67b7SOr Gerlitz if (err) 72877ab67b7SOr Gerlitz goto create_tir_err; 72977ab67b7SOr Gerlitz 730a6696735SMaxim Mikityanskiy out: 731a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 732a6696735SMaxim Mikityanskiy return err; 73377ab67b7SOr Gerlitz 73477ab67b7SOr Gerlitz create_tir_err: 73577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 736a6696735SMaxim Mikityanskiy 737a6696735SMaxim Mikityanskiy goto out; 73877ab67b7SOr Gerlitz } 73977ab67b7SOr Gerlitz 74077ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 74177ab67b7SOr Gerlitz { 742a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 74377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 74477ab67b7SOr Gerlitz } 74577ab67b7SOr Gerlitz 7463f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 7473f6d08d1SOr Gerlitz { 7483f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7493f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 75006e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 75106e9f13aSMaxim Mikityanskiy int err; 7523f6d08d1SOr Gerlitz 75306e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 75406e9f13aSMaxim Mikityanskiy if (!indir) 7553f6d08d1SOr Gerlitz return -ENOMEM; 7563f6d08d1SOr Gerlitz 75743befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 75806e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 75943ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 76043ec0f41SMaxim Mikityanskiy indir); 7613f6d08d1SOr Gerlitz 76206e9f13aSMaxim Mikityanskiy kvfree(indir); 7633f6d08d1SOr Gerlitz return err; 7643f6d08d1SOr Gerlitz } 7653f6d08d1SOr Gerlitz 7663f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 7673f6d08d1SOr Gerlitz { 7683f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 76943ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 770d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 771a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 772a6696735SMaxim Mikityanskiy int err = 0; 773a6696735SMaxim Mikityanskiy 774a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 775a6696735SMaxim Mikityanskiy if (!builder) 776a6696735SMaxim Mikityanskiy return -ENOMEM; 777a6696735SMaxim Mikityanskiy 77843ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 7793f6d08d1SOr Gerlitz 7803f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 78165d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 782d930ac79SAya Levin 78365d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 7843f6d08d1SOr Gerlitz 785a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 786a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 787a6696735SMaxim Mikityanskiy false); 78843ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 789bbeb53b8SAya Levin 790a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 7913f6d08d1SOr Gerlitz if (err) { 7923f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 7933f6d08d1SOr Gerlitz goto err_destroy_tirs; 7943f6d08d1SOr Gerlitz } 795a6696735SMaxim Mikityanskiy 796a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 7973f6d08d1SOr Gerlitz } 798a6696735SMaxim Mikityanskiy 799a6696735SMaxim Mikityanskiy out: 800a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 801a6696735SMaxim Mikityanskiy return err; 8023f6d08d1SOr Gerlitz 8033f6d08d1SOr Gerlitz err_destroy_tirs: 804a6696735SMaxim Mikityanskiy max_tt = tt; 805a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 806a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 807a6696735SMaxim Mikityanskiy 808a6696735SMaxim Mikityanskiy goto out; 8093f6d08d1SOr Gerlitz } 8103f6d08d1SOr Gerlitz 8113f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 8123f6d08d1SOr Gerlitz { 8133f6d08d1SOr Gerlitz int tt; 8143f6d08d1SOr Gerlitz 8153f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 816a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 8173f6d08d1SOr Gerlitz } 8183f6d08d1SOr Gerlitz 8193f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 8203f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 8213f6d08d1SOr Gerlitz { 8223f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 8233f6d08d1SOr Gerlitz int tt; 8243f6d08d1SOr Gerlitz 8253f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 8263f6d08d1SOr Gerlitz 827bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 828bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 829bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 830bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 831bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 832bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 833bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 834bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 835bc29764eSMaor Gottlieb } 8363f6d08d1SOr Gerlitz 8373f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 8383f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 8393f6d08d1SOr Gerlitz } 8403f6d08d1SOr Gerlitz 8413f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 8423f6d08d1SOr Gerlitz { 8433f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 8443f6d08d1SOr Gerlitz struct ttc_params ttc_params; 845f52f2faeSLama Kayal struct mlx5_ttc_table *ttc; 8463f6d08d1SOr Gerlitz int err; 8473f6d08d1SOr Gerlitz 8483f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 8493f6d08d1SOr Gerlitz if (err) 8503f6d08d1SOr Gerlitz return err; 8513f6d08d1SOr Gerlitz 8523f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 8533f6d08d1SOr Gerlitz if (err) 8543f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 8553f6d08d1SOr Gerlitz 8563f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 857f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 858f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 859f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 8603f6d08d1SOr Gerlitz goto err_create_ttc_table; 861f4b45940SMaor Gottlieb } 8623f6d08d1SOr Gerlitz 863f52f2faeSLama Kayal ttc = mlx5e_fs_get_ttc(priv->fs, false); 8643f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 865f4b45940SMaor Gottlieb hp->num_channels, 866f52f2faeSLama Kayal mlx5_get_ttc_flow_table(ttc)->id); 8673f6d08d1SOr Gerlitz 8683f6d08d1SOr Gerlitz return 0; 8693f6d08d1SOr Gerlitz 8703f6d08d1SOr Gerlitz err_create_ttc_table: 8713f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 8723f6d08d1SOr Gerlitz err_create_indirect_tirs: 87306e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8743f6d08d1SOr Gerlitz 8753f6d08d1SOr Gerlitz return err; 8763f6d08d1SOr Gerlitz } 8773f6d08d1SOr Gerlitz 8783f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 8793f6d08d1SOr Gerlitz { 880f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 8813f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 88206e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 8833f6d08d1SOr Gerlitz } 8843f6d08d1SOr Gerlitz 88577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 88677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 88777ab67b7SOr Gerlitz int peer_ifindex) 88877ab67b7SOr Gerlitz { 88977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 89077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 89177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 89277ab67b7SOr Gerlitz int err; 89377ab67b7SOr Gerlitz 89477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 89577ab67b7SOr Gerlitz if (!hp) 89677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 89777ab67b7SOr Gerlitz 89877ab67b7SOr Gerlitz func_mdev = priv->mdev; 89977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 900b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 901b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 902b1c2f631SDima Chumak goto create_pair_err; 903b1c2f631SDima Chumak } 90477ab67b7SOr Gerlitz 90577ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 90677ab67b7SOr Gerlitz if (IS_ERR(pair)) { 90777ab67b7SOr Gerlitz err = PTR_ERR(pair); 90877ab67b7SOr Gerlitz goto create_pair_err; 90977ab67b7SOr Gerlitz } 91077ab67b7SOr Gerlitz hp->pair = pair; 91177ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 9123f6d08d1SOr Gerlitz hp->func_priv = priv; 9133f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 91477ab67b7SOr Gerlitz 91577ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 91677ab67b7SOr Gerlitz if (err) 91777ab67b7SOr Gerlitz goto create_transport_err; 91877ab67b7SOr Gerlitz 9193f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 9203f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 9213f6d08d1SOr Gerlitz if (err) 9223f6d08d1SOr Gerlitz goto rss_init_err; 9233f6d08d1SOr Gerlitz } 9243f6d08d1SOr Gerlitz 92577ab67b7SOr Gerlitz return hp; 92677ab67b7SOr Gerlitz 9273f6d08d1SOr Gerlitz rss_init_err: 9283f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 92977ab67b7SOr Gerlitz create_transport_err: 93077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 93177ab67b7SOr Gerlitz create_pair_err: 93277ab67b7SOr Gerlitz kfree(hp); 93377ab67b7SOr Gerlitz return ERR_PTR(err); 93477ab67b7SOr Gerlitz } 93577ab67b7SOr Gerlitz 93677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 93777ab67b7SOr Gerlitz { 9383f6d08d1SOr Gerlitz if (hp->num_channels > 1) 9393f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 94077ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 94177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 94277ab67b7SOr Gerlitz kvfree(hp); 94377ab67b7SOr Gerlitz } 94477ab67b7SOr Gerlitz 945106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 946106be53bSOr Gerlitz { 947106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 948106be53bSOr Gerlitz } 949106be53bSOr Gerlitz 9505c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 951106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 9525c65c564SOr Gerlitz { 953f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 9545c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 955106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 9565c65c564SOr Gerlitz 957f52f2faeSLama Kayal hash_for_each_possible(tc->hairpin_tbl, hpe, 958106be53bSOr Gerlitz hairpin_hlist, hash_key) { 959e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 960e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 9615c65c564SOr Gerlitz return hpe; 9625c65c564SOr Gerlitz } 963e4f9abbdSVlad Buslov } 9645c65c564SOr Gerlitz 9655c65c564SOr Gerlitz return NULL; 9665c65c564SOr Gerlitz } 9675c65c564SOr Gerlitz 968e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 969e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 970e4f9abbdSVlad Buslov { 971f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 972e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 973f52f2faeSLama Kayal if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &tc->hairpin_tbl_lock)) 974e4f9abbdSVlad Buslov return; 975b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 976f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 977e4f9abbdSVlad Buslov 978db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 979e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 980e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 981e4f9abbdSVlad Buslov 982e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 983db76ca24SVlad Buslov } 984db76ca24SVlad Buslov 985db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 986e4f9abbdSVlad Buslov kfree(hpe); 987e4f9abbdSVlad Buslov } 988e4f9abbdSVlad Buslov 989106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 990106be53bSOr Gerlitz 991106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 992e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 993e98bedf5SEli Britstein struct netlink_ext_ack *extack) 994106be53bSOr Gerlitz { 995106be53bSOr Gerlitz void *headers_c, *headers_v; 996106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 997106be53bSOr Gerlitz bool vlan_present; 998106be53bSOr Gerlitz 999106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 1000106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 1001e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1002e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 1003106be53bSOr Gerlitz return -EOPNOTSUPP; 1004106be53bSOr Gerlitz } 1005106be53bSOr Gerlitz #endif 1006106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 1007106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1008106be53bSOr Gerlitz 1009106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 1010106be53bSOr Gerlitz if (vlan_present) { 1011106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 1012106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 1013106be53bSOr Gerlitz } 1014106be53bSOr Gerlitz 1015106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 1016106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 1017106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 1018e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1019e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 1020106be53bSOr Gerlitz return -EOPNOTSUPP; 1021106be53bSOr Gerlitz } 1022106be53bSOr Gerlitz 1023106be53bSOr Gerlitz *match_prio = prio_val; 1024106be53bSOr Gerlitz return 0; 1025106be53bSOr Gerlitz } 1026106be53bSOr Gerlitz 1027*0e414518SGal Pressman static int debugfs_hairpin_queues_set(void *data, u64 val) 1028*0e414518SGal Pressman { 1029*0e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 1030*0e414518SGal Pressman 1031*0e414518SGal Pressman if (!val) { 1032*0e414518SGal Pressman mlx5_core_err(hp->mdev, 1033*0e414518SGal Pressman "Number of hairpin queues must be > 0\n"); 1034*0e414518SGal Pressman return -EINVAL; 1035*0e414518SGal Pressman } 1036*0e414518SGal Pressman 1037*0e414518SGal Pressman hp->num_queues = val; 1038*0e414518SGal Pressman 1039*0e414518SGal Pressman return 0; 1040*0e414518SGal Pressman } 1041*0e414518SGal Pressman 1042*0e414518SGal Pressman static int debugfs_hairpin_queues_get(void *data, u64 *val) 1043*0e414518SGal Pressman { 1044*0e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 1045*0e414518SGal Pressman 1046*0e414518SGal Pressman *val = hp->num_queues; 1047*0e414518SGal Pressman 1048*0e414518SGal Pressman return 0; 1049*0e414518SGal Pressman } 1050*0e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_queues, debugfs_hairpin_queues_get, 1051*0e414518SGal Pressman debugfs_hairpin_queues_set, "%llu\n"); 1052*0e414518SGal Pressman 1053*0e414518SGal Pressman static int debugfs_hairpin_queue_size_set(void *data, u64 val) 1054*0e414518SGal Pressman { 1055*0e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 1056*0e414518SGal Pressman 1057*0e414518SGal Pressman if (val > BIT(MLX5_CAP_GEN(hp->mdev, log_max_hairpin_num_packets))) { 1058*0e414518SGal Pressman mlx5_core_err(hp->mdev, 1059*0e414518SGal Pressman "Invalid hairpin queue size, must be <= %lu\n", 1060*0e414518SGal Pressman BIT(MLX5_CAP_GEN(hp->mdev, 1061*0e414518SGal Pressman log_max_hairpin_num_packets))); 1062*0e414518SGal Pressman return -EINVAL; 1063*0e414518SGal Pressman } 1064*0e414518SGal Pressman 1065*0e414518SGal Pressman hp->queue_size = roundup_pow_of_two(val); 1066*0e414518SGal Pressman 1067*0e414518SGal Pressman return 0; 1068*0e414518SGal Pressman } 1069*0e414518SGal Pressman 1070*0e414518SGal Pressman static int debugfs_hairpin_queue_size_get(void *data, u64 *val) 1071*0e414518SGal Pressman { 1072*0e414518SGal Pressman struct mlx5e_hairpin_params *hp = data; 1073*0e414518SGal Pressman 1074*0e414518SGal Pressman *val = hp->queue_size; 1075*0e414518SGal Pressman 1076*0e414518SGal Pressman return 0; 1077*0e414518SGal Pressman } 1078*0e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_queue_size, 1079*0e414518SGal Pressman debugfs_hairpin_queue_size_get, 1080*0e414518SGal Pressman debugfs_hairpin_queue_size_set, "%llu\n"); 1081*0e414518SGal Pressman 1082*0e414518SGal Pressman static int debugfs_hairpin_num_active_get(void *data, u64 *val) 1083*0e414518SGal Pressman { 1084*0e414518SGal Pressman struct mlx5e_tc_table *tc = data; 1085*0e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 1086*0e414518SGal Pressman u32 cnt = 0; 1087*0e414518SGal Pressman u32 bkt; 1088*0e414518SGal Pressman 1089*0e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 1090*0e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 1091*0e414518SGal Pressman cnt++; 1092*0e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 1093*0e414518SGal Pressman 1094*0e414518SGal Pressman *val = cnt; 1095*0e414518SGal Pressman 1096*0e414518SGal Pressman return 0; 1097*0e414518SGal Pressman } 1098*0e414518SGal Pressman DEFINE_DEBUGFS_ATTRIBUTE(fops_hairpin_num_active, 1099*0e414518SGal Pressman debugfs_hairpin_num_active_get, NULL, "%llu\n"); 1100*0e414518SGal Pressman 1101*0e414518SGal Pressman static int debugfs_hairpin_table_dump_show(struct seq_file *file, void *priv) 1102*0e414518SGal Pressman 1103*0e414518SGal Pressman { 1104*0e414518SGal Pressman struct mlx5e_tc_table *tc = file->private; 1105*0e414518SGal Pressman struct mlx5e_hairpin_entry *hpe; 1106*0e414518SGal Pressman u32 bkt; 1107*0e414518SGal Pressman 1108*0e414518SGal Pressman mutex_lock(&tc->hairpin_tbl_lock); 1109*0e414518SGal Pressman hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 1110*0e414518SGal Pressman seq_printf(file, "Hairpin peer_vhca_id %u prio %u refcnt %u\n", 1111*0e414518SGal Pressman hpe->peer_vhca_id, hpe->prio, 1112*0e414518SGal Pressman refcount_read(&hpe->refcnt)); 1113*0e414518SGal Pressman mutex_unlock(&tc->hairpin_tbl_lock); 1114*0e414518SGal Pressman 1115*0e414518SGal Pressman return 0; 1116*0e414518SGal Pressman } 1117*0e414518SGal Pressman DEFINE_SHOW_ATTRIBUTE(debugfs_hairpin_table_dump); 1118*0e414518SGal Pressman 1119*0e414518SGal Pressman static void mlx5e_tc_debugfs_init(struct mlx5e_tc_table *tc, 1120*0e414518SGal Pressman struct dentry *dfs_root) 1121*0e414518SGal Pressman { 1122*0e414518SGal Pressman if (IS_ERR_OR_NULL(dfs_root)) 1123*0e414518SGal Pressman return; 1124*0e414518SGal Pressman 1125*0e414518SGal Pressman tc->dfs_root = debugfs_create_dir("tc", dfs_root); 1126*0e414518SGal Pressman if (!tc->dfs_root) 1127*0e414518SGal Pressman return; 1128*0e414518SGal Pressman 1129*0e414518SGal Pressman debugfs_create_file("hairpin_num_queues", 0644, tc->dfs_root, 1130*0e414518SGal Pressman &tc->hairpin_params, &fops_hairpin_queues); 1131*0e414518SGal Pressman debugfs_create_file("hairpin_queue_size", 0644, tc->dfs_root, 1132*0e414518SGal Pressman &tc->hairpin_params, &fops_hairpin_queue_size); 1133*0e414518SGal Pressman debugfs_create_file("hairpin_num_active", 0444, tc->dfs_root, tc, 1134*0e414518SGal Pressman &fops_hairpin_num_active); 1135*0e414518SGal Pressman debugfs_create_file("hairpin_table_dump", 0444, tc->dfs_root, tc, 1136*0e414518SGal Pressman &debugfs_hairpin_table_dump_fops); 1137*0e414518SGal Pressman } 1138*0e414518SGal Pressman 11391a803472SGal Pressman static void 11401a803472SGal Pressman mlx5e_hairpin_params_init(struct mlx5e_hairpin_params *hairpin_params, 11411a803472SGal Pressman struct mlx5_core_dev *mdev) 11421a803472SGal Pressman { 11431a803472SGal Pressman u64 link_speed64; 11441a803472SGal Pressman u32 link_speed; 11451a803472SGal Pressman 11461a803472SGal Pressman hairpin_params->mdev = mdev; 11471a803472SGal Pressman /* set hairpin pair per each 50Gbs share of the link */ 11481a803472SGal Pressman mlx5e_port_max_linkspeed(mdev, &link_speed); 11491a803472SGal Pressman link_speed = max_t(u32, link_speed, 50000); 11501a803472SGal Pressman link_speed64 = link_speed; 11511a803472SGal Pressman do_div(link_speed64, 50000); 11521a803472SGal Pressman hairpin_params->num_queues = link_speed64; 11531a803472SGal Pressman 11541a803472SGal Pressman hairpin_params->queue_size = 11551a803472SGal Pressman BIT(min_t(u32, 16 - MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), 11561a803472SGal Pressman MLX5_CAP_GEN(mdev, log_max_hairpin_num_packets))); 11571a803472SGal Pressman } 11581a803472SGal Pressman 11595c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 11605c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 1161e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1162e98bedf5SEli Britstein struct netlink_ext_ack *extack) 11635c65c564SOr Gerlitz { 1164f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 116598b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 11665c65c564SOr Gerlitz struct mlx5_hairpin_params params; 1167d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 11685c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 11695c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1170106be53bSOr Gerlitz u8 match_prio; 1171d8822868SOr Gerlitz u16 peer_id; 11725c65c564SOr Gerlitz int err; 11735c65c564SOr Gerlitz 1174d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 1175b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 1176b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 1177b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 1178b1c2f631SDima Chumak } 1179b1c2f631SDima Chumak 1180d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 1181e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 11825c65c564SOr Gerlitz return -EOPNOTSUPP; 11835c65c564SOr Gerlitz } 11845c65c564SOr Gerlitz 1185d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 1186e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 1187e98bedf5SEli Britstein extack); 1188106be53bSOr Gerlitz if (err) 1189106be53bSOr Gerlitz return err; 1190b32accdaSVlad Buslov 1191f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 1192106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 1193db76ca24SVlad Buslov if (hpe) { 1194f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1195db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 1196db76ca24SVlad Buslov 1197db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 1198db76ca24SVlad Buslov err = -EREMOTEIO; 1199db76ca24SVlad Buslov goto out_err; 1200db76ca24SVlad Buslov } 12015c65c564SOr Gerlitz goto attach_flow; 1202db76ca24SVlad Buslov } 12035c65c564SOr Gerlitz 12045c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 1205b32accdaSVlad Buslov if (!hpe) { 1206f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 1207db76ca24SVlad Buslov return -ENOMEM; 1208b32accdaSVlad Buslov } 12095c65c564SOr Gerlitz 121073edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 12115c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 1212db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 1213d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 1214106be53bSOr Gerlitz hpe->prio = match_prio; 1215e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 1216db76ca24SVlad Buslov init_completion(&hpe->res_ready); 1217db76ca24SVlad Buslov 1218f52f2faeSLama Kayal hash_add(tc->hairpin_tbl, &hpe->hairpin_hlist, 1219db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 1220f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 12215c65c564SOr Gerlitz 12221a803472SGal Pressman params.log_num_packets = ilog2(tc->hairpin_params.queue_size); 12231a803472SGal Pressman params.log_data_size = 12241a803472SGal Pressman clamp_t(u32, 12251a803472SGal Pressman params.log_num_packets + 12261a803472SGal Pressman MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev), 122794581080SGal Pressman MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz), 12285c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 1229eb9180f7SOr Gerlitz 1230eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 12311a803472SGal Pressman params.num_channels = tc->hairpin_params.num_queues; 12323f6d08d1SOr Gerlitz 12335c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 1234db76ca24SVlad Buslov hpe->hp = hp; 1235db76ca24SVlad Buslov complete_all(&hpe->res_ready); 12365c65c564SOr Gerlitz if (IS_ERR(hp)) { 12375c65c564SOr Gerlitz err = PTR_ERR(hp); 1238db76ca24SVlad Buslov goto out_err; 12395c65c564SOr Gerlitz } 12405c65c564SOr Gerlitz 1241eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 1242a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 124327b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 1244eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 12455c65c564SOr Gerlitz 12465c65c564SOr Gerlitz attach_flow: 12473f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 1248226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 1249f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 1250f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 12513f6d08d1SOr Gerlitz } else { 1252a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 12533f6d08d1SOr Gerlitz } 1254b32accdaSVlad Buslov 1255e4f9abbdSVlad Buslov flow->hpe = hpe; 125673edca73SVlad Buslov spin_lock(&hpe->flows_lock); 12575c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 125873edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 12593f6d08d1SOr Gerlitz 12605c65c564SOr Gerlitz return 0; 12615c65c564SOr Gerlitz 1262db76ca24SVlad Buslov out_err: 1263db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 12645c65c564SOr Gerlitz return err; 12655c65c564SOr Gerlitz } 12665c65c564SOr Gerlitz 12675c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 12685c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 12695c65c564SOr Gerlitz { 12705a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1271e4f9abbdSVlad Buslov if (!flow->hpe) 12725a7e5bcbSVlad Buslov return; 12735a7e5bcbSVlad Buslov 127473edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 12755c65c564SOr Gerlitz list_del(&flow->hairpin); 127673edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 127773edca73SVlad Buslov 1278e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1279e4f9abbdSVlad Buslov flow->hpe = NULL; 12805c65c564SOr Gerlitz } 12815c65c564SOr Gerlitz 128208247066SAriel Levkovich struct mlx5_flow_handle * 128308247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 128408247066SAriel Levkovich struct mlx5_flow_spec *spec, 1285c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 1286e8f887acSAmir Vadai { 128708247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 1288f52f2faeSLama Kayal struct mlx5e_vlan_table *vlan = mlx5e_fs_get_vlan(priv->fs); 1289f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1290c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 12915c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 129223bde065SLama Kayal struct mlx5_fs_chains *nic_chains; 129366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 12943bc4b7bfSOr Gerlitz .action = attr->action, 1295bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 129666958ed9SHadar Hen Zion }; 129708247066SAriel Levkovich struct mlx5_flow_handle *rule; 1298c7569097SAriel Levkovich struct mlx5_flow_table *ft; 129908247066SAriel Levkovich int dest_ix = 0; 1300e8f887acSAmir Vadai 130123bde065SLama Kayal nic_chains = mlx5e_nic_chains(tc); 1302bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1303c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 1304bb0ee7dcSJianbo Liu 1305aedd133dSAriel Levkovich if (attr->dest_ft) { 1306aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1307aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 1308aedd133dSAriel Levkovich dest_ix++; 1309aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 13103f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1311c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 131208247066SAriel Levkovich dest_ix++; 1313c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 13145c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 1315c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 13163f6d08d1SOr Gerlitz dest_ix++; 13173f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 13185c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 1319c7569097SAriel Levkovich if (attr->dest_chain) { 1320c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 1321c7569097SAriel Levkovich attr->dest_chain, 1, 1322c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1323c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 1324c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 1325c7569097SAriel Levkovich } else { 1326f52f2faeSLama Kayal dest[dest_ix].ft = mlx5e_vlan_get_flowtable(vlan); 1327c7569097SAriel Levkovich } 13285c65c564SOr Gerlitz dest_ix++; 13295c65c564SOr Gerlitz } 1330aad7e08dSAmir Vadai 1331c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 1332c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 1333c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 1334c7569097SAriel Levkovich 133508247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 13365c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 133708247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 13385c65c564SOr Gerlitz dest_ix++; 1339aad7e08dSAmir Vadai } 1340aad7e08dSAmir Vadai 134108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13422b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 13432f4fe4caSOr Gerlitz 13446a064674SAriel Levkovich mutex_lock(&tc->t_lock); 13456a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 13466a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 13476a064674SAriel Levkovich tc->t = 1348c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 134921b9c144SOr Gerlitz 13506a064674SAriel Levkovich if (IS_ERR(tc->t)) { 13516a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1352e8f887acSAmir Vadai netdev_err(priv->netdev, 1353e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1354f52f2faeSLama Kayal rule = ERR_CAST(tc->t); 1355c7569097SAriel Levkovich goto err_ft_get; 1356e8f887acSAmir Vadai } 1357e8f887acSAmir Vadai } 135808247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1359e8f887acSAmir Vadai 1360aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1361c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1362c7569097SAriel Levkovich attr->chain, attr->prio, 1363c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1364aedd133dSAriel Levkovich else 1365aedd133dSAriel Levkovich ft = attr->ft; 1366aedd133dSAriel Levkovich 1367c7569097SAriel Levkovich if (IS_ERR(ft)) { 1368c7569097SAriel Levkovich rule = ERR_CAST(ft); 1369c7569097SAriel Levkovich goto err_ft_get; 1370c7569097SAriel Levkovich } 1371c7569097SAriel Levkovich 1372c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 137308247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 137438aa51c1SOr Gerlitz 1375c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 13765c65c564SOr Gerlitz &flow_act, dest, dest_ix); 137708247066SAriel Levkovich if (IS_ERR(rule)) 1378c7569097SAriel Levkovich goto err_rule; 137908247066SAriel Levkovich 138008247066SAriel Levkovich return rule; 1381c7569097SAriel Levkovich 1382c7569097SAriel Levkovich err_rule: 1383aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1384c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1385c7569097SAriel Levkovich attr->chain, attr->prio, 1386c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1387c7569097SAriel Levkovich err_ft_get: 1388c7569097SAriel Levkovich if (attr->dest_chain) 1389c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1390c7569097SAriel Levkovich attr->dest_chain, 1, 1391c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1392c7569097SAriel Levkovich 1393c7569097SAriel Levkovich return ERR_CAST(rule); 139408247066SAriel Levkovich } 139508247066SAriel Levkovich 139608247066SAriel Levkovich static int 1397df67ad62SRoi Dayan alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev, 1398df67ad62SRoi Dayan struct mlx5_flow_attr *attr) 1399df67ad62SRoi Dayan 1400df67ad62SRoi Dayan { 1401df67ad62SRoi Dayan struct mlx5_fc *counter; 1402df67ad62SRoi Dayan 1403df67ad62SRoi Dayan counter = mlx5_fc_create(counter_dev, true); 1404df67ad62SRoi Dayan if (IS_ERR(counter)) 1405df67ad62SRoi Dayan return PTR_ERR(counter); 1406df67ad62SRoi Dayan 1407df67ad62SRoi Dayan attr->counter = counter; 1408df67ad62SRoi Dayan return 0; 1409df67ad62SRoi Dayan } 1410df67ad62SRoi Dayan 1411df67ad62SRoi Dayan static int 141208247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 141308247066SAriel Levkovich struct mlx5e_tc_flow *flow, 141408247066SAriel Levkovich struct netlink_ext_ack *extack) 141508247066SAriel Levkovich { 1416c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1417c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 141808247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 141908247066SAriel Levkovich int err; 142008247066SAriel Levkovich 1421c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1422c6cfe113SRoi Dayan 142308247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 142408247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 142508247066SAriel Levkovich if (err) 142608247066SAriel Levkovich return err; 142708247066SAriel Levkovich } 142808247066SAriel Levkovich 142908247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1430df67ad62SRoi Dayan err = alloc_flow_attr_counter(dev, attr); 1431df67ad62SRoi Dayan if (err) 1432df67ad62SRoi Dayan return err; 143308247066SAriel Levkovich } 143408247066SAriel Levkovich 143508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 143608247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 14372c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 143808247066SAriel Levkovich if (err) 143908247066SAriel Levkovich return err; 144008247066SAriel Levkovich } 144108247066SAriel Levkovich 144284ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1443a572c0a7SRoi Dayan flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec, 1444aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1445aedd133dSAriel Levkovich else 144608247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 144708247066SAriel Levkovich attr); 1448e8f887acSAmir Vadai 1449a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1450e8f887acSAmir Vadai } 1451e8f887acSAmir Vadai 145208247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1453c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1454c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 145508247066SAriel Levkovich { 1456f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1457f52f2faeSLama Kayal struct mlx5_fs_chains *nic_chains; 1458c7569097SAriel Levkovich 1459f52f2faeSLama Kayal nic_chains = mlx5e_nic_chains(tc); 146008247066SAriel Levkovich mlx5_del_flow_rules(rule); 1461c7569097SAriel Levkovich 1462aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1463c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1464c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1465c7569097SAriel Levkovich 1466c7569097SAriel Levkovich if (attr->dest_chain) 1467c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1468c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 146908247066SAriel Levkovich } 147008247066SAriel Levkovich 1471d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1472d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1473d85cdccbSOr Gerlitz { 1474f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 1475c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1476d85cdccbSOr Gerlitz 1477c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1478c7569097SAriel Levkovich 147984ba8062SRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_CT) 1480a572c0a7SRoi Dayan mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr); 1481aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1482aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1483aedd133dSAriel Levkovich 1484c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1485c7569097SAriel Levkovich * extra steering hops. 1486c7569097SAriel Levkovich */ 1487f52f2faeSLama Kayal mutex_lock(&tc->t_lock); 14886a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 14896a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 149023bde065SLama Kayal mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL); 1491f52f2faeSLama Kayal tc->t = NULL; 1492d85cdccbSOr Gerlitz } 1493f52f2faeSLama Kayal mutex_unlock(&tc->t_lock); 14942f4fe4caSOr Gerlitz 1495513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14963099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 14975c65c564SOr Gerlitz 1498972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1499aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1500aedd133dSAriel Levkovich 1501226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 15025c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1503c620b772SAriel Levkovich 15048300f225SRoi Dayan free_flow_post_acts(flow); 15058300f225SRoi Dayan 150688d97486SRoi Dayan kvfree(attr->parse_attr); 1507c620b772SAriel Levkovich kfree(flow->attr); 1508d85cdccbSOr Gerlitz } 1509d85cdccbSOr Gerlitz 15100d9f9647SVlad Buslov struct mlx5_flow_handle * 15116d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 15126d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 15136d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1514c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 15156d2a3ed0SOr Gerlitz { 15166d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 15174c3844d9SPaul Blakey 1518e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 151989e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 152089e39467SPaul Blakey 1521a572c0a7SRoi Dayan rule = mlx5e_tc_rule_offload(flow->priv, spec, attr); 15226d2a3ed0SOr Gerlitz 15236d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 15246d2a3ed0SOr Gerlitz return rule; 15256d2a3ed0SOr Gerlitz 1526c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 15276d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 152884ba8062SRoi Dayan if (IS_ERR(flow->rule[1])) 152984ba8062SRoi Dayan goto err_rule1; 15306d2a3ed0SOr Gerlitz } 15316d2a3ed0SOr Gerlitz 15326d2a3ed0SOr Gerlitz return rule; 153384ba8062SRoi Dayan 153484ba8062SRoi Dayan err_rule1: 1535a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, rule, attr); 153684ba8062SRoi Dayan return flow->rule[1]; 15376d2a3ed0SOr Gerlitz } 15386d2a3ed0SOr Gerlitz 15390d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 15406d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1541c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 15426d2a3ed0SOr Gerlitz { 1543226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 15446d2a3ed0SOr Gerlitz 1545e5d4e1daSRoi Dayan if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) 154684ba8062SRoi Dayan return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 154789e39467SPaul Blakey 1548c620b772SAriel Levkovich if (attr->esw_attr->split_count) 15496d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 15506d2a3ed0SOr Gerlitz 1551a572c0a7SRoi Dayan mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr); 15526d2a3ed0SOr Gerlitz } 15536d2a3ed0SOr Gerlitz 15540d9f9647SVlad Buslov struct mlx5_flow_handle * 15555dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 15565dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1557178f69b4SEli Cohen struct mlx5_flow_spec *spec) 15585dbe906fSPaul Blakey { 15598dc47c05SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_acts = {}; 15608dc47c05SPaul Blakey struct mlx5e_mod_hdr_handle *mh = NULL; 1561c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 15625dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15638dc47c05SPaul Blakey bool fwd_and_modify_cap; 15648dc47c05SPaul Blakey u32 chain_mapping = 0; 15658dc47c05SPaul Blakey int err; 15665dbe906fSPaul Blakey 1567c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1568c620b772SAriel Levkovich if (!slow_attr) 1569c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 15705dbe906fSPaul Blakey 1571c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1572c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1573c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1574e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 1575c620b772SAriel Levkovich 15768dc47c05SPaul Blakey fwd_and_modify_cap = MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table); 15778dc47c05SPaul Blakey if (!fwd_and_modify_cap) 15788dc47c05SPaul Blakey goto skip_restore; 15798dc47c05SPaul Blakey 15808dc47c05SPaul Blakey err = mlx5_chains_get_chain_mapping(esw_chains(esw), flow->attr->chain, &chain_mapping); 15818dc47c05SPaul Blakey if (err) 15828dc47c05SPaul Blakey goto err_get_chain; 15838dc47c05SPaul Blakey 15848dc47c05SPaul Blakey err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB, 15858dc47c05SPaul Blakey CHAIN_TO_REG, chain_mapping); 15868dc47c05SPaul Blakey if (err) 15878dc47c05SPaul Blakey goto err_reg_set; 15888dc47c05SPaul Blakey 15898dc47c05SPaul Blakey mh = mlx5e_mod_hdr_attach(esw->dev, get_mod_hdr_table(flow->priv, flow), 15908dc47c05SPaul Blakey MLX5_FLOW_NAMESPACE_FDB, &mod_acts); 15918dc47c05SPaul Blakey if (IS_ERR(mh)) { 15928dc47c05SPaul Blakey err = PTR_ERR(mh); 15938dc47c05SPaul Blakey goto err_attach; 15948dc47c05SPaul Blakey } 15958dc47c05SPaul Blakey 15968dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 15978dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(mh); 15988dc47c05SPaul Blakey 15998dc47c05SPaul Blakey skip_restore: 1600c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 16018dc47c05SPaul Blakey if (IS_ERR(rule)) { 16028dc47c05SPaul Blakey err = PTR_ERR(rule); 16038dc47c05SPaul Blakey goto err_offload; 16048dc47c05SPaul Blakey } 16058dc47c05SPaul Blakey 16068dc47c05SPaul Blakey flow->slow_mh = mh; 16078dc47c05SPaul Blakey flow->chain_mapping = chain_mapping; 1608226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 16095dbe906fSPaul Blakey 16108dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 1611c620b772SAriel Levkovich kfree(slow_attr); 1612c620b772SAriel Levkovich 16135dbe906fSPaul Blakey return rule; 16148dc47c05SPaul Blakey 16158dc47c05SPaul Blakey err_offload: 16168dc47c05SPaul Blakey if (fwd_and_modify_cap) 16178dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), mh); 16188dc47c05SPaul Blakey err_attach: 16198dc47c05SPaul Blakey err_reg_set: 16208dc47c05SPaul Blakey if (fwd_and_modify_cap) 16218dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), chain_mapping); 16228dc47c05SPaul Blakey err_get_chain: 16238dc47c05SPaul Blakey mlx5e_mod_hdr_dealloc(&mod_acts); 16248dc47c05SPaul Blakey kfree(slow_attr); 16258dc47c05SPaul Blakey return ERR_PTR(err); 16265dbe906fSPaul Blakey } 16275dbe906fSPaul Blakey 16280d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1629178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 16305dbe906fSPaul Blakey { 1631c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1632178f69b4SEli Cohen 1633c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 16345efbe617SAriel Levkovich if (!slow_attr) { 16355efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 16365efbe617SAriel Levkovich return; 16375efbe617SAriel Levkovich } 1638c620b772SAriel Levkovich 1639c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1640c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1641c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1642e5d4e1daSRoi Dayan slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH; 16438dc47c05SPaul Blakey if (flow->slow_mh) { 16448dc47c05SPaul Blakey slow_attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 16458dc47c05SPaul Blakey slow_attr->modify_hdr = mlx5e_mod_hdr_get(flow->slow_mh); 16468dc47c05SPaul Blakey } 1647c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 16488dc47c05SPaul Blakey if (flow->slow_mh) { 16498dc47c05SPaul Blakey mlx5e_mod_hdr_detach(esw->dev, get_mod_hdr_table(flow->priv, flow), flow->slow_mh); 16508dc47c05SPaul Blakey mlx5_chains_put_chain_mapping(esw_chains(esw), flow->chain_mapping); 16518dc47c05SPaul Blakey flow->chain_mapping = 0; 16528dc47c05SPaul Blakey flow->slow_mh = NULL; 16538dc47c05SPaul Blakey } 1654226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1655c620b772SAriel Levkovich kfree(slow_attr); 16565dbe906fSPaul Blakey } 16575dbe906fSPaul Blakey 1658ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1659ad86755bSVlad Buslov * function. 1660ad86755bSVlad Buslov */ 1661ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1662ad86755bSVlad Buslov struct list_head *unready_flows) 1663ad86755bSVlad Buslov { 1664ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1665ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1666ad86755bSVlad Buslov } 1667ad86755bSVlad Buslov 1668ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1669ad86755bSVlad Buslov * function. 1670ad86755bSVlad Buslov */ 1671ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1672ad86755bSVlad Buslov { 1673ad86755bSVlad Buslov list_del(&flow->unready); 1674ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1675ad86755bSVlad Buslov } 1676ad86755bSVlad Buslov 1677b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1678b4a23329SRoi Dayan { 1679b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1680b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1681b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1682b4a23329SRoi Dayan 1683b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1684b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1685b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1686b4a23329SRoi Dayan 1687ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1688ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1689ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1690b4a23329SRoi Dayan } 1691b4a23329SRoi Dayan 1692b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1693b4a23329SRoi Dayan { 1694ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1695ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1696ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1697ad86755bSVlad Buslov 1698ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1699ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1700ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1701ad86755bSVlad Buslov 1702ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1703ad86755bSVlad Buslov unready_flow_del(flow); 1704ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1705b4a23329SRoi Dayan } 1706b4a23329SRoi Dayan 1707a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 170810742efcSVlad Buslov { 170910742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 171010742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 171110742efcSVlad Buslov 171210742efcSVlad Buslov out_priv = netdev_priv(out_dev); 171310742efcSVlad Buslov out_mdev = out_priv->mdev; 171410742efcSVlad Buslov route_priv = netdev_priv(route_dev); 171510742efcSVlad Buslov route_mdev = route_priv->mdev; 171610742efcSVlad Buslov 171772e0bcd1SRoi Dayan if (out_mdev->coredev_type != MLX5_COREDEV_PF) 171872e0bcd1SRoi Dayan return false; 171972e0bcd1SRoi Dayan 172072e0bcd1SRoi Dayan if (route_mdev->coredev_type != MLX5_COREDEV_VF && 172172e0bcd1SRoi Dayan route_mdev->coredev_type != MLX5_COREDEV_SF) 172210742efcSVlad Buslov return false; 172310742efcSVlad Buslov 1724ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 172510742efcSVlad Buslov } 172610742efcSVlad Buslov 1727a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 172810742efcSVlad Buslov { 172910742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1730f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 173110742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 173210742efcSVlad Buslov struct mlx5_eswitch *esw; 173310742efcSVlad Buslov u16 vhca_id; 173410742efcSVlad Buslov int err; 173510742efcSVlad Buslov 173610742efcSVlad Buslov out_priv = netdev_priv(out_dev); 173710742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 173810742efcSVlad Buslov route_priv = netdev_priv(route_dev); 173910742efcSVlad Buslov route_mdev = route_priv->mdev; 174010742efcSVlad Buslov 174110742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1742f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1743f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1744f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1745f9d196bdSDmytro Linkin * eswitch. 1746f9d196bdSDmytro Linkin */ 174710742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1748f9d196bdSDmytro Linkin if (err != -ENOENT) 1749f9d196bdSDmytro Linkin return err; 1750f9d196bdSDmytro Linkin 1751f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1752f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1753f9d196bdSDmytro Linkin if (!esw) 1754f9d196bdSDmytro Linkin return -ENODEV; 1755f9d196bdSDmytro Linkin } 1756f9d196bdSDmytro Linkin 1757f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1758f9d196bdSDmytro Linkin if (devcom) 1759f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 176010742efcSVlad Buslov return err; 176110742efcSVlad Buslov } 176210742efcSVlad Buslov 1763c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1764ff993167SRoi Dayan struct mlx5e_tc_flow *flow, 1765ff993167SRoi Dayan struct mlx5_flow_attr *attr) 1766c7b9038dSVlad Buslov { 1767ff993167SRoi Dayan struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 1768c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1769c7b9038dSVlad Buslov 1770c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1771e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1772c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1773c7b9038dSVlad Buslov mod_hdr_acts->actions); 1774c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1775c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1776c7b9038dSVlad Buslov 1777ff993167SRoi Dayan WARN_ON(attr->modify_hdr); 1778ff993167SRoi Dayan attr->modify_hdr = mod_hdr; 1779c7b9038dSVlad Buslov 1780c7b9038dSVlad Buslov return 0; 1781c7b9038dSVlad Buslov } 1782c7b9038dSVlad Buslov 1783c83954abSRabie Loulou static int 178439542e23SRoi Dayan set_encap_dests(struct mlx5e_priv *priv, 178539542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1786c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 178739542e23SRoi Dayan struct netlink_ext_ack *extack, 178839542e23SRoi Dayan bool *vf_tun) 178939542e23SRoi Dayan { 179039542e23SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 179139542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 179239542e23SRoi Dayan struct net_device *encap_dev = NULL; 179339542e23SRoi Dayan struct mlx5e_rep_priv *rpriv; 179439542e23SRoi Dayan struct mlx5e_priv *out_priv; 179539542e23SRoi Dayan int out_index; 179639542e23SRoi Dayan int err = 0; 179739542e23SRoi Dayan 17988300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 17998300f225SRoi Dayan return 0; 18008300f225SRoi Dayan 180139542e23SRoi Dayan parse_attr = attr->parse_attr; 180239542e23SRoi Dayan esw_attr = attr->esw_attr; 180339542e23SRoi Dayan *vf_tun = false; 180439542e23SRoi Dayan 180539542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 180639542e23SRoi Dayan struct net_device *out_dev; 180739542e23SRoi Dayan int mirred_ifindex; 180839542e23SRoi Dayan 180939542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 181039542e23SRoi Dayan continue; 181139542e23SRoi Dayan 181239542e23SRoi Dayan mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 181339542e23SRoi Dayan out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 181439542e23SRoi Dayan if (!out_dev) { 181539542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 181639542e23SRoi Dayan err = -ENODEV; 181739542e23SRoi Dayan goto out; 181839542e23SRoi Dayan } 1819c118ebc9SRoi Dayan err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index, 1820f3774220SChris Mi extack, &encap_dev); 182139542e23SRoi Dayan dev_put(out_dev); 182239542e23SRoi Dayan if (err) 182339542e23SRoi Dayan goto out; 182439542e23SRoi Dayan 182539542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 182639542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 182739542e23SRoi Dayan !esw_attr->dest_int_port) 182839542e23SRoi Dayan *vf_tun = true; 182939542e23SRoi Dayan 183039542e23SRoi Dayan out_priv = netdev_priv(encap_dev); 183139542e23SRoi Dayan rpriv = out_priv->ppriv; 183239542e23SRoi Dayan esw_attr->dests[out_index].rep = rpriv->rep; 183339542e23SRoi Dayan esw_attr->dests[out_index].mdev = out_priv->mdev; 183439542e23SRoi Dayan } 183539542e23SRoi Dayan 183639542e23SRoi Dayan if (*vf_tun && esw_attr->out_count > 1) { 183739542e23SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 183839542e23SRoi Dayan err = -EOPNOTSUPP; 183939542e23SRoi Dayan goto out; 184039542e23SRoi Dayan } 184139542e23SRoi Dayan 184239542e23SRoi Dayan out: 184339542e23SRoi Dayan return err; 184439542e23SRoi Dayan } 184539542e23SRoi Dayan 184639542e23SRoi Dayan static void 184739542e23SRoi Dayan clean_encap_dests(struct mlx5e_priv *priv, 184839542e23SRoi Dayan struct mlx5e_tc_flow *flow, 1849c118ebc9SRoi Dayan struct mlx5_flow_attr *attr, 185039542e23SRoi Dayan bool *vf_tun) 185139542e23SRoi Dayan { 185239542e23SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 185339542e23SRoi Dayan int out_index; 185439542e23SRoi Dayan 18558300f225SRoi Dayan if (!mlx5e_is_eswitch_flow(flow)) 18568300f225SRoi Dayan return; 18578300f225SRoi Dayan 185839542e23SRoi Dayan esw_attr = attr->esw_attr; 185939542e23SRoi Dayan *vf_tun = false; 186039542e23SRoi Dayan 186139542e23SRoi Dayan for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 186239542e23SRoi Dayan if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 186339542e23SRoi Dayan continue; 186439542e23SRoi Dayan 186539542e23SRoi Dayan if (esw_attr->dests[out_index].flags & 186639542e23SRoi Dayan MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 186739542e23SRoi Dayan !esw_attr->dest_int_port) 186839542e23SRoi Dayan *vf_tun = true; 186939542e23SRoi Dayan 1870c118ebc9SRoi Dayan mlx5e_detach_encap(priv, flow, attr, out_index); 187139542e23SRoi Dayan kfree(attr->parse_attr->tun_info[out_index]); 187239542e23SRoi Dayan } 187339542e23SRoi Dayan } 187439542e23SRoi Dayan 187539542e23SRoi Dayan static int 187664426382SOz Shlomo verify_attr_actions(u32 actions, struct netlink_ext_ack *extack) 187764426382SOz Shlomo { 187864426382SOz Shlomo if (!(actions & 187964426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 188064426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 188164426382SOz Shlomo return -EOPNOTSUPP; 188264426382SOz Shlomo } 188364426382SOz Shlomo 188464426382SOz Shlomo if (!(~actions & 188564426382SOz Shlomo (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 188664426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 188764426382SOz Shlomo return -EOPNOTSUPP; 188864426382SOz Shlomo } 188964426382SOz Shlomo 189064426382SOz Shlomo if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 189164426382SOz Shlomo actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 189264426382SOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 189364426382SOz Shlomo return -EOPNOTSUPP; 189464426382SOz Shlomo } 189564426382SOz Shlomo 189664426382SOz Shlomo return 0; 189764426382SOz Shlomo } 189864426382SOz Shlomo 189964426382SOz Shlomo static int 19008facc02fSOz Shlomo post_process_attr(struct mlx5e_tc_flow *flow, 19018facc02fSOz Shlomo struct mlx5_flow_attr *attr, 19028facc02fSOz Shlomo bool is_post_act_attr, 19038facc02fSOz Shlomo struct netlink_ext_ack *extack) 19048facc02fSOz Shlomo { 19058facc02fSOz Shlomo struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 19068facc02fSOz Shlomo bool vf_tun; 19078facc02fSOz Shlomo int err = 0; 19088facc02fSOz Shlomo 190964426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 191064426382SOz Shlomo if (err) 191164426382SOz Shlomo goto err_out; 191264426382SOz Shlomo 19138facc02fSOz Shlomo err = set_encap_dests(flow->priv, flow, attr, extack, &vf_tun); 19148facc02fSOz Shlomo if (err) 19158facc02fSOz Shlomo goto err_out; 19168facc02fSOz Shlomo 19178facc02fSOz Shlomo if (mlx5e_is_eswitch_flow(flow)) { 19188facc02fSOz Shlomo err = mlx5_eswitch_add_vlan_action(esw, attr); 19198facc02fSOz Shlomo if (err) 19208facc02fSOz Shlomo goto err_out; 19218facc02fSOz Shlomo } 19228facc02fSOz Shlomo 19238facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 19248facc02fSOz Shlomo if (vf_tun || is_post_act_attr) { 19258facc02fSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr); 19268facc02fSOz Shlomo if (err) 19278facc02fSOz Shlomo goto err_out; 19288facc02fSOz Shlomo } else { 19298facc02fSOz Shlomo err = mlx5e_attach_mod_hdr(flow->priv, flow, attr->parse_attr); 19308facc02fSOz Shlomo if (err) 19318facc02fSOz Shlomo goto err_out; 19328facc02fSOz Shlomo } 19338facc02fSOz Shlomo } 19348facc02fSOz Shlomo 1935f86488cbSOz Shlomo if (attr->branch_true && 1936f86488cbSOz Shlomo attr->branch_true->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1937f86488cbSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr->branch_true); 1938f86488cbSOz Shlomo if (err) 1939f86488cbSOz Shlomo goto err_out; 1940f86488cbSOz Shlomo } 1941f86488cbSOz Shlomo 1942f86488cbSOz Shlomo if (attr->branch_false && 1943f86488cbSOz Shlomo attr->branch_false->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1944f86488cbSOz Shlomo err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr->branch_false); 1945f86488cbSOz Shlomo if (err) 1946f86488cbSOz Shlomo goto err_out; 1947f86488cbSOz Shlomo } 1948f86488cbSOz Shlomo 19498facc02fSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 19508facc02fSOz Shlomo err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr); 19518facc02fSOz Shlomo if (err) 19528facc02fSOz Shlomo goto err_out; 19538facc02fSOz Shlomo } 19548facc02fSOz Shlomo 19558facc02fSOz Shlomo err_out: 19568facc02fSOz Shlomo return err; 19578facc02fSOz Shlomo } 19588facc02fSOz Shlomo 19598facc02fSOz Shlomo static int 196074491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1961e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1962e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1963adb4c123SOr Gerlitz { 1964adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1965c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1966c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1967c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 196839ac237cSPaul Blakey u32 max_prio, max_chain; 19690ad060eeSRoi Dayan int err = 0; 19708b32580dSOr Gerlitz 1971b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1972b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1973b16eb3c8SAriel Levkovich 197484179981SPaul Blakey /* We check chain range only for tc flows. 197584179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 197684179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 197784179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 197884179981SPaul Blakey */ 1979ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 198084179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 198161644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 198261644c3dSRoi Dayan "Requested chain is out of supported range"); 19838914add2SVlad Buslov err = -EOPNOTSUPP; 19848914add2SVlad Buslov goto err_out; 1985bf07aa73SPaul Blakey } 1986bf07aa73SPaul Blakey 1987ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1988bf07aa73SPaul Blakey if (attr->prio > max_prio) { 198961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 199061644c3dSRoi Dayan "Requested priority is out of supported range"); 19918914add2SVlad Buslov err = -EOPNOTSUPP; 19928914add2SVlad Buslov goto err_out; 1993bf07aa73SPaul Blakey } 1994bf07aa73SPaul Blakey 1995777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1996777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1997777bb800SVlad Buslov if (err) 19988914add2SVlad Buslov goto err_out; 1999b16eb3c8SAriel Levkovich 20005b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 20015b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2002b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 2003b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 2004b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 2005b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 2006b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 2007b16eb3c8SAriel Levkovich * from the proper chain. 2008b16eb3c8SAriel Levkovich */ 2009b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 2010b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 2011b16eb3c8SAriel Levkovich 2012b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 2013b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 2014b16eb3c8SAriel Levkovich metadata); 2015b16eb3c8SAriel Levkovich if (err) 201631108d14SChristophe JAILLET goto err_out; 2017077cdda7SRoi Dayan 2018077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2019b16eb3c8SAriel Levkovich } 2020777bb800SVlad Buslov } 2021777bb800SVlad Buslov 202214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 202314e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 202414e6b038SEli Cohen if (err) 20258914add2SVlad Buslov goto err_out; 202614e6b038SEli Cohen } 202714e6b038SEli Cohen 2028166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 2029166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 2030166f431eSAriel Levkovich 2031166f431eSAriel Levkovich if (attr->chain) { 2032166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 2033166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 203431108d14SChristophe JAILLET err = -EOPNOTSUPP; 203531108d14SChristophe JAILLET goto err_out; 2036166f431eSAriel Levkovich } 2037166f431eSAriel Levkovich 2038166f431eSAriel Levkovich if (attr->dest_chain) { 2039166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 2040166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 204131108d14SChristophe JAILLET err = -EOPNOTSUPP; 204231108d14SChristophe JAILLET goto err_out; 2043166f431eSAriel Levkovich } 2044166f431eSAriel Levkovich 2045166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 2046166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 2047166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 2048166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 2049166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 205031108d14SChristophe JAILLET if (IS_ERR(int_port)) { 205131108d14SChristophe JAILLET err = PTR_ERR(int_port); 205231108d14SChristophe JAILLET goto err_out; 205331108d14SChristophe JAILLET } 2054166f431eSAriel Levkovich 2055166f431eSAriel Levkovich esw_attr->int_port = int_port; 2056166f431eSAriel Levkovich } 2057166f431eSAriel Levkovich 20588facc02fSOz Shlomo err = post_process_attr(flow, attr, false, extack); 20590ad060eeSRoi Dayan if (err) 20608914add2SVlad Buslov goto err_out; 20610ad060eeSRoi Dayan 20620ad060eeSRoi Dayan /* we get here if one of the following takes place: 20630ad060eeSRoi Dayan * (1) there's no error 20640ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 20653c37745eSOr Gerlitz */ 2066f3774220SChris Mi if (flow_flag_test(flow, SLOW)) 2067178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 2068bc1d75faSRoi Dayan else 20696d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 20705dbe906fSPaul Blakey 20718914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 20728914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 20738914add2SVlad Buslov goto err_out; 20748914add2SVlad Buslov } 2075226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 2076c83954abSRabie Loulou 20775dbe906fSPaul Blakey return 0; 20788914add2SVlad Buslov 20798914add2SVlad Buslov err_out: 20808914add2SVlad Buslov flow_flag_set(flow, FAILED); 20818914add2SVlad Buslov return err; 2082aa0cbbaeSOr Gerlitz } 2083d85cdccbSOr Gerlitz 20849272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 20859272e3dfSYevgeny Kliteynik { 2086c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 20879272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 20889272e3dfSYevgeny Kliteynik spec->match_value, 20899272e3dfSYevgeny Kliteynik misc_parameters_3); 20909272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 20919272e3dfSYevgeny Kliteynik headers_v, 20929272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 20939272e3dfSYevgeny Kliteynik 20949272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 20959272e3dfSYevgeny Kliteynik } 20969272e3dfSYevgeny Kliteynik 2097f86488cbSOz Shlomo static void free_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 2098f86488cbSOz Shlomo { 2099f86488cbSOz Shlomo if (!attr) 2100f86488cbSOz Shlomo return; 2101f86488cbSOz Shlomo 2102f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 2103f86488cbSOz Shlomo kvfree(attr->parse_attr); 2104f86488cbSOz Shlomo kfree(attr); 2105f86488cbSOz Shlomo } 2106f86488cbSOz Shlomo 2107d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 2108d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 2109d85cdccbSOr Gerlitz { 2110d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2111c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 2112777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 211339542e23SRoi Dayan bool vf_tun; 2114d85cdccbSOr Gerlitz 2115777bb800SVlad Buslov esw_attr = attr->esw_attr; 21160a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 21170a7fcb78SPaul Blakey 211812a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 2119b4a23329SRoi Dayan remove_unready_flow(flow); 2120ef06c9eeSRoi Dayan 2121226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 2122226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 2123178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 21245dbe906fSPaul Blakey else 21255dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 21265dbe906fSPaul Blakey } 2127362980eaSVlad Buslov complete_all(&flow->del_hw_done); 2128d85cdccbSOr Gerlitz 21299272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 21309272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 21319272e3dfSYevgeny Kliteynik 2132513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 2133d85cdccbSOr Gerlitz 2134777bb800SVlad Buslov if (flow->decap_route) 2135777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 2136777bb800SVlad Buslov 2137c118ebc9SRoi Dayan clean_encap_dests(priv, flow, attr, &vf_tun); 2138d7e75a32SOr Gerlitz 2139aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 21404c8594adSRoi Dayan 2141c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 21422c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 21438914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 21448914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 21458914add2SVlad Buslov else 21461a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 2147c7b9038dSVlad Buslov } 2148b8aee822SMark Bloch 2149b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 2150777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 215114e6b038SEli Cohen 2152166f431eSAriel Levkovich if (esw_attr->int_port) 2153166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 2154166f431eSAriel Levkovich 215527484f71SAriel Levkovich if (esw_attr->dest_int_port) 215627484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 215727484f71SAriel Levkovich 215814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 215914e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 2160c620b772SAriel Levkovich 21618300f225SRoi Dayan free_flow_post_acts(flow); 2162f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 2163f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 21648300f225SRoi Dayan 216594db3317SEli Cohen if (flow->attr->lag.count) 216694db3317SEli Cohen mlx5_lag_del_mpesw_rule(esw->dev); 216794db3317SEli Cohen 216888d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 216988d97486SRoi Dayan kvfree(attr->parse_attr); 2170c620b772SAriel Levkovich kfree(flow->attr); 2171d85cdccbSOr Gerlitz } 2172d85cdccbSOr Gerlitz 21730d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 2174b8aee822SMark Bloch { 21758300f225SRoi Dayan struct mlx5_flow_attr *attr; 21768300f225SRoi Dayan 21778300f225SRoi Dayan attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list); 21788300f225SRoi Dayan return attr->counter; 2179b8aee822SMark Bloch } 2180b8aee822SMark Bloch 21816a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 2182021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 21836a06c2f7SVlad Buslov { 21846a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 21856a06c2f7SVlad Buslov 21866a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 21876a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 21886a06c2f7SVlad Buslov } 21896a06c2f7SVlad Buslov 219004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 219104de7ddaSRoi Dayan { 219204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 219304de7ddaSRoi Dayan 2194226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 2195226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 219604de7ddaSRoi Dayan return; 219704de7ddaSRoi Dayan 219804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 219904de7ddaSRoi Dayan list_del(&flow->peer); 220004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 220104de7ddaSRoi Dayan 2202226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 220304de7ddaSRoi Dayan 2204eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 220504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 2206a23dae79SRoi Dayan kfree(flow->peer_flow); 2207eb252c3aSRoi Dayan } 2208eb252c3aSRoi Dayan 220904de7ddaSRoi Dayan flow->peer_flow = NULL; 221004de7ddaSRoi Dayan } 221104de7ddaSRoi Dayan 221204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 221304de7ddaSRoi Dayan { 221404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 221504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 221604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 221704de7ddaSRoi Dayan 221804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 221904de7ddaSRoi Dayan if (!peer_esw) 222004de7ddaSRoi Dayan return; 222104de7ddaSRoi Dayan 222204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 222304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 222404de7ddaSRoi Dayan } 222504de7ddaSRoi Dayan 2226e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2227961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 2228e8f887acSAmir Vadai { 2229226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 223004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 2231d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 223204de7ddaSRoi Dayan } else { 2233d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 2234e8f887acSAmir Vadai } 223504de7ddaSRoi Dayan } 2236e8f887acSAmir Vadai 2237ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 2238bbd00f7eSHadar Hen Zion { 2239f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22400a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 22410a7fcb78SPaul Blakey const struct flow_action_entry *act; 22420a7fcb78SPaul Blakey int i; 2243bbd00f7eSHadar Hen Zion 2244ee950e5dSChris Mi if (chain) 2245ee950e5dSChris Mi return false; 2246ee950e5dSChris Mi 22470a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 22480a7fcb78SPaul Blakey switch (act->id) { 22490a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 22500a7fcb78SPaul Blakey return true; 2251ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 2252ee950e5dSChris Mi return true; 22530a7fcb78SPaul Blakey default: 22540a7fcb78SPaul Blakey continue; 2255fe1587a7SDmytro Linkin } 22562e72eb43SOr Gerlitz } 2257bbd00f7eSHadar Hen Zion 22580a7fcb78SPaul Blakey return false; 22590a7fcb78SPaul Blakey } 2260bcef735cSOr Gerlitz 22610a7fcb78SPaul Blakey static int 22620a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 22630a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 22640a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 22650a7fcb78SPaul Blakey bool *dont_care) 22660a7fcb78SPaul Blakey { 22670a7fcb78SPaul Blakey struct geneve_opt *opt; 22680a7fcb78SPaul Blakey int off = 0; 2269bcef735cSOr Gerlitz 22700a7fcb78SPaul Blakey *dont_care = true; 2271bcef735cSOr Gerlitz 22720a7fcb78SPaul Blakey while (opts->len > off) { 22730a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 2274e98bedf5SEli Britstein 22750a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 22760a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 22770a7fcb78SPaul Blakey *dont_care = false; 22780a7fcb78SPaul Blakey 2279c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 2280d7a42ad0SRoi Dayan opt->type != U8_MAX) { 2281c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 22820a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 22830a7fcb78SPaul Blakey netdev_warn(priv->netdev, 22840a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 2285e98bedf5SEli Britstein return -EOPNOTSUPP; 2286e98bedf5SEli Britstein } 2287bcef735cSOr Gerlitz } 2288bcef735cSOr Gerlitz 22890a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 2290bbd00f7eSHadar Hen Zion } 2291bbd00f7eSHadar Hen Zion 2292bbd00f7eSHadar Hen Zion return 0; 2293bbd00f7eSHadar Hen Zion } 2294bbd00f7eSHadar Hen Zion 22950a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 22960a7fcb78SPaul Blakey ({ \ 22970a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 22980a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 22990a7fcb78SPaul Blakey \ 23000a7fcb78SPaul Blakey memcpy(__dst,\ 23010a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 23020a7fcb78SPaul Blakey diss_key,\ 23030a7fcb78SPaul Blakey __rule->match.key),\ 23040a7fcb78SPaul Blakey sizeof(*__dst));\ 23050a7fcb78SPaul Blakey }) 23060a7fcb78SPaul Blakey 23070a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 23080a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 23090a7fcb78SPaul Blakey struct flow_cls_offload *f, 23100a7fcb78SPaul Blakey struct net_device *filter_dev) 23118377629eSEli Britstein { 23120a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 23130a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 23140a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 23150a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2316d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 23170a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2318c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 23190a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 23200a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 23210a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 23220a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 23230a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 23240a7fcb78SPaul Blakey u32 value, mask; 23250a7fcb78SPaul Blakey int err; 23260a7fcb78SPaul Blakey 23270a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 23280a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23290a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 23300a7fcb78SPaul Blakey 23310a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 23320a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 23330a7fcb78SPaul Blakey &tunnel_key.enc_control); 23340a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 23350a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 23360a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 23370a7fcb78SPaul Blakey else 23380a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 23390a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 23400a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 23410a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 23420a7fcb78SPaul Blakey &tunnel_key.enc_tp); 23430a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 23440a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 23450a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 23460a7fcb78SPaul Blakey 23470a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 23480a7fcb78SPaul Blakey if (err) 23490a7fcb78SPaul Blakey return err; 23500a7fcb78SPaul Blakey 23510a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 23520a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 23530a7fcb78SPaul Blakey enc_opts_match.mask, 23540a7fcb78SPaul Blakey extack, 23550a7fcb78SPaul Blakey &enc_opts_is_dont_care); 23560a7fcb78SPaul Blakey if (err) 23570a7fcb78SPaul Blakey goto err_enc_opts; 23580a7fcb78SPaul Blakey 23590a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2360d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2361d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2362d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2363d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2364d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2365d7a42ad0SRoi Dayan 23660a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2367d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 23680a7fcb78SPaul Blakey if (err) 23690a7fcb78SPaul Blakey goto err_enc_opts; 23700a7fcb78SPaul Blakey } 23710a7fcb78SPaul Blakey 23720a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 23730a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 23740a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 23750a7fcb78SPaul Blakey 23760a7fcb78SPaul Blakey if (attr->chain) { 23770a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 23780a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 23790a7fcb78SPaul Blakey } else { 23800a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 23810a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2382aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 23830a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 23840a7fcb78SPaul Blakey if (err) 23850a7fcb78SPaul Blakey goto err_set; 23860a7fcb78SPaul Blakey 23870a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 23880a7fcb78SPaul Blakey } 23890a7fcb78SPaul Blakey 239073a3f1bcSRoi Dayan flow->attr->tunnel_id = value; 23910a7fcb78SPaul Blakey return 0; 23920a7fcb78SPaul Blakey 23930a7fcb78SPaul Blakey err_set: 23940a7fcb78SPaul Blakey if (enc_opts_id) 23950a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 23960a7fcb78SPaul Blakey enc_opts_id); 23970a7fcb78SPaul Blakey err_enc_opts: 23980a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 23990a7fcb78SPaul Blakey return err; 24000a7fcb78SPaul Blakey } 24010a7fcb78SPaul Blakey 24020a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 24030a7fcb78SPaul Blakey { 240473a3f1bcSRoi Dayan u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK; 240573a3f1bcSRoi Dayan u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS; 24060a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 24070a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 24080a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 24090a7fcb78SPaul Blakey 24100a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 24110a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 24120a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 24130a7fcb78SPaul Blakey 24140a7fcb78SPaul Blakey if (tun_id) 24150a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 24160a7fcb78SPaul Blakey if (enc_opts_id) 24170a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 24180a7fcb78SPaul Blakey enc_opts_id); 24190a7fcb78SPaul Blakey } 24200a7fcb78SPaul Blakey 2421fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2422fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2423fca53304SEli Britstein void *headers_c, void *headers_v) 24244a5d5d73SEli Britstein { 2425fca53304SEli Britstein bool ip_version_cap; 2426fca53304SEli Britstein 2427fca53304SEli Britstein ip_version_cap = outer ? 2428fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2429fca53304SEli Britstein ft_field_support.outer_ip_version) : 2430fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2431fca53304SEli Britstein ft_field_support.inner_ip_version); 2432fca53304SEli Britstein 2433fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2434fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2435fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2436fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2437fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2438fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2439fca53304SEli Britstein } else { 24404a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 24414a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 24424a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 24434a5d5d73SEli Britstein ntohs(match->key->n_proto)); 24444a5d5d73SEli Britstein } 2445fca53304SEli Britstein } 24464a5d5d73SEli Britstein 24470d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2448a508728aSVlad Buslov { 2449a508728aSVlad Buslov void *headers_v; 2450a508728aSVlad Buslov u16 ethertype; 2451a508728aSVlad Buslov u8 ip_version; 2452a508728aSVlad Buslov 2453a508728aSVlad Buslov if (outer) 2454a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2455a508728aSVlad Buslov else 2456a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2457a508728aSVlad Buslov 2458a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2459a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2460a508728aSVlad Buslov if (!ip_version) { 2461a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2462a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2463a508728aSVlad Buslov ip_version = 4; 2464a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2465a508728aSVlad Buslov ip_version = 6; 2466a508728aSVlad Buslov } 2467a508728aSVlad Buslov return ip_version; 2468a508728aSVlad Buslov } 2469a508728aSVlad Buslov 2470b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 2471b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 2472b6dfff21SPaul Blakey * +---------+----------------------------------------+ 2473b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 2474b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 2475b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 2476b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2477b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 2478b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 2479b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 2480b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 2481b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 2482b6dfff21SPaul Blakey * 2483b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 2484b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 2485b6dfff21SPaul Blakey * 2486b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 2487b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 2488b6dfff21SPaul Blakey * 2489b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 2490b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 2491b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 2492b6dfff21SPaul Blakey */ 2493b6dfff21SPaul Blakey 2494b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 2495b6dfff21SPaul Blakey struct flow_cls_offload *f, 2496b6dfff21SPaul Blakey bool *match_inner_ecn) 2497b6dfff21SPaul Blakey { 2498b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 2499b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 2500b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 2501b6dfff21SPaul Blakey struct flow_match_ip match; 2502b6dfff21SPaul Blakey 2503b6dfff21SPaul Blakey *match_inner_ecn = true; 2504b6dfff21SPaul Blakey 2505b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 2506b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 2507b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 2508b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 2509b6dfff21SPaul Blakey } 2510b6dfff21SPaul Blakey 2511b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 2512b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 2513b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 2514b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 2515b6dfff21SPaul Blakey } 2516b6dfff21SPaul Blakey 2517b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 2518b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 2519b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 2520b6dfff21SPaul Blakey return -EOPNOTSUPP; 2521b6dfff21SPaul Blakey } 2522b6dfff21SPaul Blakey 2523b6dfff21SPaul Blakey if (!outer_ecn_mask) { 2524b6dfff21SPaul Blakey if (!inner_ecn_mask) 2525b6dfff21SPaul Blakey return 0; 2526b6dfff21SPaul Blakey 2527b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2528b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2529b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2530b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2531b6dfff21SPaul Blakey return -EOPNOTSUPP; 2532b6dfff21SPaul Blakey } 2533b6dfff21SPaul Blakey 2534b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2535b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2536b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2537b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2538b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2539b6dfff21SPaul Blakey return -EOPNOTSUPP; 2540b6dfff21SPaul Blakey } 2541b6dfff21SPaul Blakey 2542b6dfff21SPaul Blakey if (!inner_ecn_mask) 2543b6dfff21SPaul Blakey return 0; 2544b6dfff21SPaul Blakey 2545b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2546b6dfff21SPaul Blakey 2547b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2548b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2549b6dfff21SPaul Blakey 2550b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2551b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2552b6dfff21SPaul Blakey return -EOPNOTSUPP; 2553b6dfff21SPaul Blakey } 2554b6dfff21SPaul Blakey 2555b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2556b6dfff21SPaul Blakey return 0; 2557b6dfff21SPaul Blakey 2558b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2559b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2560b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2561b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2562b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2563b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2564b6dfff21SPaul Blakey return -EOPNOTSUPP; 2565b6dfff21SPaul Blakey } 2566b6dfff21SPaul Blakey 2567b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2568b6dfff21SPaul Blakey * drop match on inner ecn 2569b6dfff21SPaul Blakey */ 2570b6dfff21SPaul Blakey *match_inner_ecn = false; 2571b6dfff21SPaul Blakey 2572b6dfff21SPaul Blakey return 0; 2573b6dfff21SPaul Blakey } 2574b6dfff21SPaul Blakey 25750a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 25760a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 25770a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 25780a7fcb78SPaul Blakey struct flow_cls_offload *f, 25790a7fcb78SPaul Blakey struct net_device *filter_dev, 25800a7fcb78SPaul Blakey u8 *match_level, 25810a7fcb78SPaul Blakey bool *match_inner) 25820a7fcb78SPaul Blakey { 2583a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 25840a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25850a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 25860a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 25870a7fcb78SPaul Blakey int err; 25880a7fcb78SPaul Blakey 25890885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 25900885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 25910a7fcb78SPaul Blakey return -EOPNOTSUPP; 25920885ae1aSAbhiram R N } 25930a7fcb78SPaul Blakey 2594c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2595ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 25960a7fcb78SPaul Blakey *match_inner = !needs_mapping; 25970a7fcb78SPaul Blakey 25980a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2599636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2600c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2601636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 26020a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2603636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 26040a7fcb78SPaul Blakey return -EOPNOTSUPP; 26050a7fcb78SPaul Blakey } 26060a7fcb78SPaul Blakey 2607c620b772SAriel Levkovich if (!flow->attr->chain) { 26080a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 26090a7fcb78SPaul Blakey match_level); 26100a7fcb78SPaul Blakey if (err) { 26110a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 26120a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 26130a7fcb78SPaul Blakey netdev_warn(priv->netdev, 26140a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 26150a7fcb78SPaul Blakey return err; 26160a7fcb78SPaul Blakey } 26170a7fcb78SPaul Blakey 261814e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 261914e6b038SEli Cohen * object 262014e6b038SEli Cohen */ 262114e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2622c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2623a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2624a508728aSVlad Buslov if (err) 2625a508728aSVlad Buslov return err; 2626a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2627a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2628a508728aSVlad Buslov 2629a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2630a508728aSVlad Buslov if (!tmp_spec) { 2631a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2632a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2633a508728aSVlad Buslov return -ENOMEM; 2634a508728aSVlad Buslov } 2635a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2636a508728aSVlad Buslov 2637a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2638a508728aSVlad Buslov if (err) { 2639a508728aSVlad Buslov kvfree(tmp_spec); 2640a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2641a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2642a508728aSVlad Buslov return err; 2643a508728aSVlad Buslov } 2644a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2645a508728aSVlad Buslov kvfree(tmp_spec); 2646a508728aSVlad Buslov if (err) 2647a508728aSVlad Buslov return err; 26480a7fcb78SPaul Blakey } 26490a7fcb78SPaul Blakey 26500a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 26510a7fcb78SPaul Blakey return 0; 26520a7fcb78SPaul Blakey 26530a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 26540a7fcb78SPaul Blakey } 26550a7fcb78SPaul Blakey 26560a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 26570a7fcb78SPaul Blakey { 26580a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 26590a7fcb78SPaul Blakey inner_headers); 26600a7fcb78SPaul Blakey } 26610a7fcb78SPaul Blakey 26620a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 26630a7fcb78SPaul Blakey { 26640a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 26650a7fcb78SPaul Blakey inner_headers); 26660a7fcb78SPaul Blakey } 26670a7fcb78SPaul Blakey 26680a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 26690a7fcb78SPaul Blakey { 26700a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 26710a7fcb78SPaul Blakey outer_headers); 26720a7fcb78SPaul Blakey } 26730a7fcb78SPaul Blakey 26740a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 26750a7fcb78SPaul Blakey { 26760a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 26778377629eSEli Britstein outer_headers); 26788377629eSEli Britstein } 26798377629eSEli Britstein 26808ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 26818377629eSEli Britstein { 26828377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26830a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 26840a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 26850a7fcb78SPaul Blakey } 26860a7fcb78SPaul Blakey 26878ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 26880a7fcb78SPaul Blakey { 26890a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 26900a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 26910a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 26928377629eSEli Britstein } 26938377629eSEli Britstein 26946d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 26956d65bc64Swenxu struct flow_cls_offload *f) 26966d65bc64Swenxu { 26976d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 26986d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 26996d65bc64Swenxu struct net_device *ingress_dev; 27006d65bc64Swenxu struct flow_match_meta match; 27016d65bc64Swenxu 27026d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 27036d65bc64Swenxu return 0; 27046d65bc64Swenxu 27056d65bc64Swenxu flow_rule_match_meta(rule, &match); 2706e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2707e3e0f9b2Swenxu return 0; 2708e3e0f9b2Swenxu 27096d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 27106d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2711a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 27126d65bc64Swenxu } 27136d65bc64Swenxu 27146d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 27156d65bc64Swenxu match.key->ingress_ifindex); 27166d65bc64Swenxu if (!ingress_dev) { 27176d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 27186d65bc64Swenxu "Can't find the ingress port to match on"); 2719a683012aSPablo Neira Ayuso return -ENOENT; 27206d65bc64Swenxu } 27216d65bc64Swenxu 27226d65bc64Swenxu if (ingress_dev != filter_dev) { 27236d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 27246d65bc64Swenxu "Can't match on the ingress filter port"); 2725a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 27266d65bc64Swenxu } 27276d65bc64Swenxu 27286d65bc64Swenxu return 0; 27296d65bc64Swenxu } 27306d65bc64Swenxu 273172046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 273272046a91SEli Cohen struct flow_cls_offload *f) 273372046a91SEli Cohen { 273472046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 273572046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 273672046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 273772046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 273872046a91SEli Cohen */ 273972046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 274072046a91SEli Cohen return true; 274172046a91SEli Cohen 274272046a91SEli Cohen return false; 274372046a91SEli Cohen } 274472046a91SEli Cohen 2745de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 27460a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2747de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2748f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 274954c177caSOz Shlomo struct net_device *filter_dev, 275093b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2751e3a2b7edSAmir Vadai { 2752e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2753c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2754c5bb1730SMaor Gottlieb outer_headers); 2755c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2756c5bb1730SMaor Gottlieb outer_headers); 2757699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2758699e96ddSJianbo Liu misc_parameters); 2759699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2760699e96ddSJianbo Liu misc_parameters); 2761a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2762a3222a2dSMaor Dickman misc_parameters_3); 2763a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2764a3222a2dSMaor Dickman misc_parameters_3); 2765f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 27668f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2767afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2768b6dfff21SPaul Blakey bool match_inner_ecn = true; 2769e3a2b7edSAmir Vadai u16 addr_type = 0; 2770e3a2b7edSAmir Vadai u8 ip_proto = 0; 277193b3586eSHuy Nguyen u8 *match_level; 27726d65bc64Swenxu int err; 2773e3a2b7edSAmir Vadai 2774afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 277593b3586eSHuy Nguyen match_level = outer_match_level; 2776de0af0bfSRoi Dayan 27778f256622SPablo Neira Ayuso if (dissector->used_keys & 27783d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 27793d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2780e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2781e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2782095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2783699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2784e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2785e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2786bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2787bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2788bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2789bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2790bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2791e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2792fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2793bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 27944c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 27959272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 279672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2797a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 279872046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2799e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 280048470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 28018f256622SPablo Neira Ayuso dissector->used_keys); 2802e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2803e3a2b7edSAmir Vadai } 2804e3a2b7edSAmir Vadai 2805075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 28060a7fcb78SPaul Blakey bool match_inner = false; 2807bbd00f7eSHadar Hen Zion 28080a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 28090a7fcb78SPaul Blakey outer_match_level, &match_inner); 28100a7fcb78SPaul Blakey if (err) 28110a7fcb78SPaul Blakey return err; 28120a7fcb78SPaul Blakey 28130a7fcb78SPaul Blakey if (match_inner) { 28140a7fcb78SPaul Blakey /* header pointers should point to the inner headers 28150a7fcb78SPaul Blakey * if the packet was decapsulated already. 28160a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2817bbd00f7eSHadar Hen Zion */ 281893b3586eSHuy Nguyen match_level = inner_match_level; 28190a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 28200a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 28210a7fcb78SPaul Blakey } 2822b6dfff21SPaul Blakey 2823b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2824b6dfff21SPaul Blakey if (err) 2825b6dfff21SPaul Blakey return err; 2826bbd00f7eSHadar Hen Zion } 2827bbd00f7eSHadar Hen Zion 28286d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 28296d65bc64Swenxu if (err) 28306d65bc64Swenxu return err; 28316d65bc64Swenxu 283272046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 283372046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 28348f256622SPablo Neira Ayuso struct flow_match_basic match; 2835e3a2b7edSAmir Vadai 28368f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2837fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2838fca53304SEli Britstein match_level == outer_match_level, 2839fca53304SEli Britstein headers_c, headers_v); 28408f256622SPablo Neira Ayuso 28418f256622SPablo Neira Ayuso if (match.mask->n_proto) 2842d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2843e3a2b7edSAmir Vadai } 284435a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 284535a605dbSEli Britstein is_vlan_dev(filter_dev)) { 284635a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 284735a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 28488f256622SPablo Neira Ayuso struct flow_match_vlan match; 28498f256622SPablo Neira Ayuso 285035a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 285135a605dbSEli Britstein match.key = &filter_dev_key; 285235a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 285335a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 285435a605dbSEli Britstein match.key->vlan_priority = 0; 285535a605dbSEli Britstein match.mask = &filter_dev_mask; 285635a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 285735a605dbSEli Britstein match.mask->vlan_priority = 0; 285835a605dbSEli Britstein } else { 28598f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 286035a605dbSEli Britstein } 28618f256622SPablo Neira Ayuso if (match.mask->vlan_id || 28628f256622SPablo Neira Ayuso match.mask->vlan_priority || 28638f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 28648f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2865699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2866699e96ddSJianbo Liu svlan_tag, 1); 2867699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2868699e96ddSJianbo Liu svlan_tag, 1); 2869699e96ddSJianbo Liu } else { 2870699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2871699e96ddSJianbo Liu cvlan_tag, 1); 2872699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2873699e96ddSJianbo Liu cvlan_tag, 1); 2874699e96ddSJianbo Liu } 2875095b6cfdSOr Gerlitz 28768f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 28778f256622SPablo Neira Ayuso match.mask->vlan_id); 28788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 28798f256622SPablo Neira Ayuso match.key->vlan_id); 2880358d79a4SOr Gerlitz 28818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 28828f256622SPablo Neira Ayuso match.mask->vlan_priority); 28838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 28848f256622SPablo Neira Ayuso match.key->vlan_priority); 288554782900SOr Gerlitz 2886d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2887ada09af9SVlad Buslov 2888ada09af9SVlad Buslov if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) && 2889ada09af9SVlad Buslov match.mask->vlan_eth_type && 2890ada09af9SVlad Buslov MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, 2891ada09af9SVlad Buslov ft_field_support.outer_second_vid, 2892ada09af9SVlad Buslov fs_type)) { 2893ada09af9SVlad Buslov MLX5_SET(fte_match_set_misc, misc_c, 2894ada09af9SVlad Buslov outer_second_cvlan_tag, 1); 2895ada09af9SVlad Buslov spec->match_criteria_enable |= 2896ada09af9SVlad Buslov MLX5_MATCH_MISC_PARAMETERS; 2897ada09af9SVlad Buslov } 2898095b6cfdSOr Gerlitz } 2899d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2900fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2901fc603294SMark Bloch * disabled in match value means both S & C tags 2902fc603294SMark Bloch * don't exist (untagged of both) 2903fc603294SMark Bloch */ 2904cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2905d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2906095b6cfdSOr Gerlitz } 2907095b6cfdSOr Gerlitz 29088f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 29098f256622SPablo Neira Ayuso struct flow_match_vlan match; 29108f256622SPablo Neira Ayuso 291112d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 29128f256622SPablo Neira Ayuso if (match.mask->vlan_id || 29138f256622SPablo Neira Ayuso match.mask->vlan_priority || 29148f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2915afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2916afe93f71SRoi Dayan fs_type)) { 2917afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2918afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2919afe93f71SRoi Dayan return -EOPNOTSUPP; 2920afe93f71SRoi Dayan } 2921afe93f71SRoi Dayan 29228f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2923699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2924699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2925699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2926699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2927699e96ddSJianbo Liu } else { 2928699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2929699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2930699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2931699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2932699e96ddSJianbo Liu } 2933699e96ddSJianbo Liu 2934699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 29358f256622SPablo Neira Ayuso match.mask->vlan_id); 2936699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 29378f256622SPablo Neira Ayuso match.key->vlan_id); 2938699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 29398f256622SPablo Neira Ayuso match.mask->vlan_priority); 2940699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 29418f256622SPablo Neira Ayuso match.key->vlan_priority); 2942699e96ddSJianbo Liu 2943699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 29440faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2945699e96ddSJianbo Liu } 2946699e96ddSJianbo Liu } 2947699e96ddSJianbo Liu 29488f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 29498f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 295054782900SOr Gerlitz 29518f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2952d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2953d3a80bb5SOr Gerlitz dmac_47_16), 29548f256622SPablo Neira Ayuso match.mask->dst); 2955d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2956d3a80bb5SOr Gerlitz dmac_47_16), 29578f256622SPablo Neira Ayuso match.key->dst); 2958d3a80bb5SOr Gerlitz 2959d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2960d3a80bb5SOr Gerlitz smac_47_16), 29618f256622SPablo Neira Ayuso match.mask->src); 2962d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2963d3a80bb5SOr Gerlitz smac_47_16), 29648f256622SPablo Neira Ayuso match.key->src); 2965d3a80bb5SOr Gerlitz 29668f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 29678f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2968d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 296954782900SOr Gerlitz } 297054782900SOr Gerlitz 29718f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 29728f256622SPablo Neira Ayuso struct flow_match_control match; 297354782900SOr Gerlitz 29748f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 29758f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 297654782900SOr Gerlitz 297754782900SOr Gerlitz /* the HW doesn't support frag first/later */ 29780885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 29790885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 298054782900SOr Gerlitz return -EOPNOTSUPP; 29810885ae1aSAbhiram R N } 298254782900SOr Gerlitz 29838f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 298454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 298554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 29868f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 298754782900SOr Gerlitz 298854782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 29898f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 299083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 299154782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 299254782900SOr Gerlitz else 299383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 299454782900SOr Gerlitz } 299554782900SOr Gerlitz } 299654782900SOr Gerlitz 29978f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 29988f256622SPablo Neira Ayuso struct flow_match_basic match; 29998f256622SPablo Neira Ayuso 30008f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 30018f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 300254782900SOr Gerlitz 300354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 30048f256622SPablo Neira Ayuso match.mask->ip_proto); 300554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 30068f256622SPablo Neira Ayuso match.key->ip_proto); 300754782900SOr Gerlitz 30088f256622SPablo Neira Ayuso if (match.mask->ip_proto) 3009d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 301054782900SOr Gerlitz } 301154782900SOr Gerlitz 3012e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 30138f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 3014e3a2b7edSAmir Vadai 30158f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 3016e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3017e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 30188f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 3019e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3020e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 30218f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 3022e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3023e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 30248f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 3025e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3026e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 30278f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 3028de0af0bfSRoi Dayan 30298f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 3030d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 3031e3a2b7edSAmir Vadai } 3032e3a2b7edSAmir Vadai 3033e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 30348f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 3035e3a2b7edSAmir Vadai 30368f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 3037e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3038e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 30398f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 3040e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3041e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 30428f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 3043e3a2b7edSAmir Vadai 3044e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 3045e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 30468f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 3047e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 3048e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 30498f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 3050de0af0bfSRoi Dayan 30518f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 30528f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 3053d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 3054e3a2b7edSAmir Vadai } 3055e3a2b7edSAmir Vadai 30568f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 30578f256622SPablo Neira Ayuso struct flow_match_ip match; 30581f97a526SOr Gerlitz 30598f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 3060b6dfff21SPaul Blakey if (match_inner_ecn) { 30618f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 30628f256622SPablo Neira Ayuso match.mask->tos & 0x3); 30638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 30648f256622SPablo Neira Ayuso match.key->tos & 0x3); 3065b6dfff21SPaul Blakey } 30661f97a526SOr Gerlitz 30678f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 30688f256622SPablo Neira Ayuso match.mask->tos >> 2); 30698f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 30708f256622SPablo Neira Ayuso match.key->tos >> 2); 30711f97a526SOr Gerlitz 30728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 30738f256622SPablo Neira Ayuso match.mask->ttl); 30748f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 30758f256622SPablo Neira Ayuso match.key->ttl); 30761f97a526SOr Gerlitz 30778f256622SPablo Neira Ayuso if (match.mask->ttl && 3078a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3079e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 3080e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3081e98bedf5SEli Britstein "Matching on TTL is not supported"); 30821f97a526SOr Gerlitz return -EOPNOTSUPP; 3083e98bedf5SEli Britstein } 3084a8ade55fSOr Gerlitz 30858f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 3086d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 30871f97a526SOr Gerlitz } 30881f97a526SOr Gerlitz 308954782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 309054782900SOr Gerlitz 30918f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 30928f256622SPablo Neira Ayuso struct flow_match_ports match; 30938f256622SPablo Neira Ayuso 30948f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 3095e3a2b7edSAmir Vadai switch (ip_proto) { 3096e3a2b7edSAmir Vadai case IPPROTO_TCP: 3097e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 30988f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 3099e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 31008f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 3101e3a2b7edSAmir Vadai 3102e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 31038f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 3104e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 31058f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 3106e3a2b7edSAmir Vadai break; 3107e3a2b7edSAmir Vadai 3108e3a2b7edSAmir Vadai case IPPROTO_UDP: 3109e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 31108f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 3111e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 31128f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 3113e3a2b7edSAmir Vadai 3114e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 31158f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 3116e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 31178f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 3118e3a2b7edSAmir Vadai break; 3119e3a2b7edSAmir Vadai default: 3120e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3121e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 3122e3a2b7edSAmir Vadai netdev_err(priv->netdev, 3123e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 3124e3a2b7edSAmir Vadai return -EINVAL; 3125e3a2b7edSAmir Vadai } 3126de0af0bfSRoi Dayan 31278f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 3128d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3129e3a2b7edSAmir Vadai } 3130e3a2b7edSAmir Vadai 31318f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 31328f256622SPablo Neira Ayuso struct flow_match_tcp match; 3133e77834ecSOr Gerlitz 31348f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 3135e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 31368f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 3137e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 31388f256622SPablo Neira Ayuso ntohs(match.key->flags)); 3139e77834ecSOr Gerlitz 31408f256622SPablo Neira Ayuso if (match.mask->flags) 3141d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 3142e77834ecSOr Gerlitz } 3143a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 3144a3222a2dSMaor Dickman struct flow_match_icmp match; 3145e77834ecSOr Gerlitz 3146a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 3147a3222a2dSMaor Dickman switch (ip_proto) { 3148a3222a2dSMaor Dickman case IPPROTO_ICMP: 3149a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 31500885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 31510885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 31520885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 3153a3222a2dSMaor Dickman return -EOPNOTSUPP; 31540885ae1aSAbhiram R N } 3155a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 3156a3222a2dSMaor Dickman match.mask->type); 3157a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 3158a3222a2dSMaor Dickman match.key->type); 3159a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 3160a3222a2dSMaor Dickman match.mask->code); 3161a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 3162a3222a2dSMaor Dickman match.key->code); 3163a3222a2dSMaor Dickman break; 3164a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 3165a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 31660885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 31670885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 31680885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 3169a3222a2dSMaor Dickman return -EOPNOTSUPP; 31700885ae1aSAbhiram R N } 3171a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 3172a3222a2dSMaor Dickman match.mask->type); 3173a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 3174a3222a2dSMaor Dickman match.key->type); 3175a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 3176a3222a2dSMaor Dickman match.mask->code); 3177a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 3178a3222a2dSMaor Dickman match.key->code); 3179a3222a2dSMaor Dickman break; 3180a3222a2dSMaor Dickman default: 3181a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 3182a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 3183a3222a2dSMaor Dickman netdev_err(priv->netdev, 3184a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 3185a3222a2dSMaor Dickman return -EINVAL; 3186a3222a2dSMaor Dickman } 3187a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 3188a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 3189a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 3190a3222a2dSMaor Dickman } 3191a3222a2dSMaor Dickman } 319239c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 31937d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 31947d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 31957d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 31967d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 31977d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 31987d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 31997d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 32007d6c86e3SAlaa Hleihel } 32017d6c86e3SAlaa Hleihel 3202e3a2b7edSAmir Vadai return 0; 3203e3a2b7edSAmir Vadai } 3204e3a2b7edSAmir Vadai 3205de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 320665ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 3207de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 3208f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 320954c177caSOz Shlomo struct net_device *filter_dev) 3210de0af0bfSRoi Dayan { 321193b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 3212e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 3213de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 3214de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 32151d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 32161d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 3217226f2ca3SVlad Buslov bool is_eswitch_flow; 3218de0af0bfSRoi Dayan int err; 3219de0af0bfSRoi Dayan 322093b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 322193b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 322293b3586eSHuy Nguyen 32230a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 32240a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 322593b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 322693b3586eSHuy Nguyen outer_match_level : inner_match_level; 3227de0af0bfSRoi Dayan 3228226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 3229226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 32301d447a39SSaeed Mahameed rep = rpriv->rep; 3231b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 32321d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 323393b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 3234e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3235e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 3236de0af0bfSRoi Dayan netdev_warn(priv->netdev, 3237de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 323893b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 3239de0af0bfSRoi Dayan return -EOPNOTSUPP; 3240de0af0bfSRoi Dayan } 3241de0af0bfSRoi Dayan } 3242de0af0bfSRoi Dayan 3243c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 3244c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 3245c620b772SAriel Levkovich 324638aa51c1SOr Gerlitz 3247de0af0bfSRoi Dayan return err; 3248de0af0bfSRoi Dayan } 3249de0af0bfSRoi Dayan 3250d79b6df6SOr Gerlitz struct mlx5_fields { 3251d79b6df6SOr Gerlitz u8 field; 325288f30bbcSDmytro Linkin u8 field_bsize; 325388f30bbcSDmytro Linkin u32 field_mask; 3254d79b6df6SOr Gerlitz u32 offset; 325527c11b6bSEli Britstein u32 match_offset; 3256d79b6df6SOr Gerlitz }; 3257d79b6df6SOr Gerlitz 325888f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 325988f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 326027c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 326127c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 326227c11b6bSEli Britstein 32632ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 32642ef86872SEli Britstein * match. 32652ef86872SEli Britstein */ 32662ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 32672ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 32682ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 32692ef86872SEli Britstein type maskx = *(type *)(maskp); \ 32702ef86872SEli Britstein type valx = *(type *)(valp); \ 32712ef86872SEli Britstein \ 32722ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 32732ef86872SEli Britstein matchmaskx)); \ 32742ef86872SEli Britstein }) 32752ef86872SEli Britstein 327627c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 327788f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 327827c11b6bSEli Britstein { 327927c11b6bSEli Britstein bool same = false; 328027c11b6bSEli Britstein 328188f30bbcSDmytro Linkin switch (bsize) { 328288f30bbcSDmytro Linkin case 8: 32832ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 328427c11b6bSEli Britstein break; 328588f30bbcSDmytro Linkin case 16: 32862ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 328727c11b6bSEli Britstein break; 328888f30bbcSDmytro Linkin case 32: 32892ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 329027c11b6bSEli Britstein break; 329127c11b6bSEli Britstein } 329227c11b6bSEli Britstein 329327c11b6bSEli Britstein return same; 329427c11b6bSEli Britstein } 3295a8e4f0c4SOr Gerlitz 3296d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 329788f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 329888f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 329988f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 330088f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 330188f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 330288f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 3303d79b6df6SOr Gerlitz 3304ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 330588f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 330688f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 330788f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 3308d79b6df6SOr Gerlitz 330988f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 331027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 331188f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 331227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 331388f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 331427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 331588f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 331627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 331788f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 331827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 331988f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 332027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 332188f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 332227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 332388f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 332427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 332588f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 3326748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 3327d79b6df6SOr Gerlitz 332888f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 332988f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 333088f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 333188f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 3332d79b6df6SOr Gerlitz 333388f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 333488f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 3335d79b6df6SOr Gerlitz }; 3336d79b6df6SOr Gerlitz 333782198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 333882198d8bSMaor Dickman { 333982198d8bSMaor Dickman __be32 mask_be32; 334082198d8bSMaor Dickman __be16 mask_be16; 334182198d8bSMaor Dickman 334282198d8bSMaor Dickman if (size == 32) { 334382198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 334482198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 334582198d8bSMaor Dickman } else if (size == 16) { 334682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 334782198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 334882198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 334982198d8bSMaor Dickman } 335082198d8bSMaor Dickman 335182198d8bSMaor Dickman return mask; 335282198d8bSMaor Dickman } 335309bf9792SRoi Dayan 33546ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 33556ae4a6a5SPaul Blakey int namespace, 3356e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 335727c11b6bSEli Britstein u32 *action_flags, 3358e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3359d79b6df6SOr Gerlitz { 3360d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 336109bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 336288f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 336388f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 33646ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 336582198d8bSMaor Dickman unsigned long mask, field_mask; 33662c0e5cf5SPaul Blakey int i, first, last, next_z; 33672c0e5cf5SPaul Blakey struct mlx5_fields *f; 336888f30bbcSDmytro Linkin u8 cmd; 336988f30bbcSDmytro Linkin 33706ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 33718ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 33728ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 3373d79b6df6SOr Gerlitz 337473867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 337573867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 337673867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 337773867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 3378d79b6df6SOr Gerlitz 3379d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 338027c11b6bSEli Britstein bool skip; 338127c11b6bSEli Britstein 3382d79b6df6SOr Gerlitz f = &fields[i]; 3383d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 3384e3ca4e05SOr Gerlitz s_mask = 0; 3385e3ca4e05SOr Gerlitz a_mask = 0; 3386d79b6df6SOr Gerlitz 3387d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 3388d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 3389d79b6df6SOr Gerlitz 339088f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 339188f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 3392d79b6df6SOr Gerlitz 3393d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 3394d79b6df6SOr Gerlitz continue; 3395d79b6df6SOr Gerlitz 3396d79b6df6SOr Gerlitz if (s_mask && a_mask) { 3397e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3398e98bedf5SEli Britstein "can't set and add to the same HW field"); 339961b6a6c3SCai Huoqing netdev_warn(priv->netdev, 340061b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 340161b6a6c3SCai Huoqing f->field); 3402d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3403d79b6df6SOr Gerlitz } 3404d79b6df6SOr Gerlitz 340527c11b6bSEli Britstein skip = false; 3406d79b6df6SOr Gerlitz if (s_mask) { 340727c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 340827c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 340927c11b6bSEli Britstein 3410d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 3411d79b6df6SOr Gerlitz mask = s_mask; 3412d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 341327c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 341427c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 341588f30bbcSDmytro Linkin match_mask, f->field_bsize)) 341627c11b6bSEli Britstein skip = true; 3417d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 341888f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 3419d79b6df6SOr Gerlitz } else { 3420d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 3421d79b6df6SOr Gerlitz mask = a_mask; 3422d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 342327c11b6bSEli Britstein /* add 0 is no change */ 342488f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 342527c11b6bSEli Britstein skip = true; 3426d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 342788f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3428d79b6df6SOr Gerlitz } 342927c11b6bSEli Britstein if (skip) 343027c11b6bSEli Britstein continue; 3431d79b6df6SOr Gerlitz 343282198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 34332b64bebaSOr Gerlitz 343488f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 343588f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 343688f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 34372b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3438e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3439e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 344061b6a6c3SCai Huoqing netdev_warn(priv->netdev, 344161b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3442d79b6df6SOr Gerlitz mask); 3443d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3444d79b6df6SOr Gerlitz } 3445d79b6df6SOr Gerlitz 34462c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 34472c0e5cf5SPaul Blakey if (IS_ERR(action)) { 34486ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34496ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 34506ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 34516ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 34526ae4a6a5SPaul Blakey mod_acts->num_actions); 34532c0e5cf5SPaul Blakey return PTR_ERR(action); 34546ae4a6a5SPaul Blakey } 34556ae4a6a5SPaul Blakey 3456d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3457d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3458d79b6df6SOr Gerlitz 3459d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 346088f30bbcSDmytro Linkin int start; 346188f30bbcSDmytro Linkin 346282198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 346382198d8bSMaor Dickman 346488f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 346582198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 346688f30bbcSDmytro Linkin 346788f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3468d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 34692b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3470d79b6df6SOr Gerlitz } 3471d79b6df6SOr Gerlitz 347288f30bbcSDmytro Linkin if (f->field_bsize == 32) 34732b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 347488f30bbcSDmytro Linkin else if (f->field_bsize == 16) 34752b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 347688f30bbcSDmytro Linkin else if (f->field_bsize == 8) 34772b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3478d79b6df6SOr Gerlitz 34796ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3480d79b6df6SOr Gerlitz } 3481d79b6df6SOr Gerlitz 3482d79b6df6SOr Gerlitz return 0; 3483d79b6df6SOr Gerlitz } 3484d79b6df6SOr Gerlitz 3485d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3486d79b6df6SOr Gerlitz 3487918ed7bfSRoi Dayan static int verify_offload_pedit_fields(struct mlx5e_priv *priv, 3488c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3489c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3490c500c86bSPablo Neira Ayuso { 3491c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3492c500c86bSPablo Neira Ayuso u8 cmd; 3493c500c86bSPablo Neira Ayuso 3494d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 349509bf9792SRoi Dayan cmd_masks = &parse_attr->hdrs[cmd].masks; 3496d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 349709bf9792SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field"); 3498b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3499d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3500d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3501918ed7bfSRoi Dayan return -EOPNOTSUPP; 3502918ed7bfSRoi Dayan } 3503918ed7bfSRoi Dayan } 3504918ed7bfSRoi Dayan 3505918ed7bfSRoi Dayan return 0; 3506918ed7bfSRoi Dayan } 3507918ed7bfSRoi Dayan 3508918ed7bfSRoi Dayan static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3509918ed7bfSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 3510918ed7bfSRoi Dayan u32 *action_flags, 3511918ed7bfSRoi Dayan struct netlink_ext_ack *extack) 3512918ed7bfSRoi Dayan { 3513918ed7bfSRoi Dayan int err; 3514918ed7bfSRoi Dayan 3515918ed7bfSRoi Dayan err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); 3516918ed7bfSRoi Dayan if (err) 3517d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3518918ed7bfSRoi Dayan 3519918ed7bfSRoi Dayan err = verify_offload_pedit_fields(priv, parse_attr, extack); 3520918ed7bfSRoi Dayan if (err) 3521918ed7bfSRoi Dayan goto out_dealloc_parsed_actions; 3522d79b6df6SOr Gerlitz 3523d79b6df6SOr Gerlitz return 0; 3524d79b6df6SOr Gerlitz 3525d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 35262c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3527d79b6df6SOr Gerlitz return err; 3528d79b6df6SOr Gerlitz } 3529d79b6df6SOr Gerlitz 35308998576bSDmytro Linkin struct ip_ttl_word { 35318998576bSDmytro Linkin __u8 ttl; 35328998576bSDmytro Linkin __u8 protocol; 35338998576bSDmytro Linkin __sum16 check; 35348998576bSDmytro Linkin }; 35358998576bSDmytro Linkin 35368998576bSDmytro Linkin struct ipv6_hoplimit_word { 35378998576bSDmytro Linkin __be16 payload_len; 35388998576bSDmytro Linkin __u8 nexthdr; 35398998576bSDmytro Linkin __u8 hop_limit; 35408998576bSDmytro Linkin }; 35418998576bSDmytro Linkin 35421836d780SRoi Dayan static bool 35431836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 35441836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 35454c3844d9SPaul Blakey struct netlink_ext_ack *extack) 35468998576bSDmytro Linkin { 35478998576bSDmytro Linkin u32 mask, offset; 35488998576bSDmytro Linkin u8 htype; 35498998576bSDmytro Linkin 35508998576bSDmytro Linkin htype = act->mangle.htype; 35518998576bSDmytro Linkin offset = act->mangle.offset; 35528998576bSDmytro Linkin mask = ~act->mangle.mask; 35538998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 35548998576bSDmytro Linkin * to determine that modified fields 35558998576bSDmytro Linkin * are NOT ttl & hop_limit only. 35568998576bSDmytro Linkin */ 35578998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 35588998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 35598998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 35608998576bSDmytro Linkin 35618998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 35628998576bSDmytro Linkin ttl_word->protocol || 35638998576bSDmytro Linkin ttl_word->check) { 35644c3844d9SPaul Blakey *modify_ip_header = true; 35654c3844d9SPaul Blakey } 35664c3844d9SPaul Blakey 35677e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 35687e36feebSPaul Blakey *modify_tuple = true; 35697e36feebSPaul Blakey 35707e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35714c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35724c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 35731836d780SRoi Dayan return false; 35748998576bSDmytro Linkin } 35758998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 35768998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 35778998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 35788998576bSDmytro Linkin 35798998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 35808998576bSDmytro Linkin hoplimit_word->payload_len || 35818998576bSDmytro Linkin hoplimit_word->nexthdr) { 35824c3844d9SPaul Blakey *modify_ip_header = true; 35838998576bSDmytro Linkin } 35844c3844d9SPaul Blakey 35857e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 35867e36feebSPaul Blakey *modify_tuple = true; 35877e36feebSPaul Blakey 35887e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 35894c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35904c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 35911836d780SRoi Dayan return false; 35928998576bSDmytro Linkin } 35937e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 35947e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 35957e36feebSPaul Blakey *modify_tuple = true; 35967e36feebSPaul Blakey if (ct_flow) { 35974c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 35984c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 35991836d780SRoi Dayan return false; 36004c3844d9SPaul Blakey } 36017e36feebSPaul Blakey } 36024c3844d9SPaul Blakey 36031836d780SRoi Dayan return true; 36048998576bSDmytro Linkin } 36058998576bSDmytro Linkin 360696b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 360796b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 360896b5b458SDima Chumak struct mlx5e_priv *priv, 360996b5b458SDima Chumak struct mlx5_flow_spec *spec) 361096b5b458SDima Chumak { 361196b5b458SDima Chumak if (!modify_tuple || ct_clear) 361296b5b458SDima Chumak return true; 361396b5b458SDima Chumak 361496b5b458SDima Chumak if (ct_flow) { 361596b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 361696b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 361796b5b458SDima Chumak netdev_info(priv->netdev, 361896b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 361996b5b458SDima Chumak return false; 362096b5b458SDima Chumak } 362196b5b458SDima Chumak 362296b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 362396b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 362496b5b458SDima Chumak * we can't restore ct state 362596b5b458SDima Chumak */ 362696b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 362796b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 362896b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 362996b5b458SDima Chumak netdev_info(priv->netdev, 363096b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 363196b5b458SDima Chumak return false; 363296b5b458SDima Chumak } 363396b5b458SDima Chumak 363496b5b458SDima Chumak return true; 363596b5b458SDima Chumak } 363696b5b458SDima Chumak 36373d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 36383d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 363973867881SPablo Neira Ayuso struct flow_action *flow_action, 36404c3844d9SPaul Blakey u32 actions, bool ct_flow, 36417e36feebSPaul Blakey bool ct_clear, 3642e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3643bdd66ac0SOr Gerlitz { 364473867881SPablo Neira Ayuso const struct flow_action_entry *act; 36457e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3646fca53304SEli Britstein void *headers_c; 3647bdd66ac0SOr Gerlitz void *headers_v; 3648bdd66ac0SOr Gerlitz u16 ethertype; 36498998576bSDmytro Linkin u8 ip_proto; 36501836d780SRoi Dayan int i; 3651bdd66ac0SOr Gerlitz 36528ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 36538ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3654bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3655bdd66ac0SOr Gerlitz 3656bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3657fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3658fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3659bdd66ac0SOr Gerlitz goto out_ok; 3660bdd66ac0SOr Gerlitz 3661bdd66ac0SOr Gerlitz modify_ip_header = false; 36627e36feebSPaul Blakey modify_tuple = false; 366373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 366473867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 366573867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3666bdd66ac0SOr Gerlitz continue; 3667bdd66ac0SOr Gerlitz 36681836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 36697e36feebSPaul Blakey &modify_ip_header, 36701836d780SRoi Dayan &modify_tuple, extack)) 36711836d780SRoi Dayan return false; 3672bdd66ac0SOr Gerlitz } 3673bdd66ac0SOr Gerlitz 367496b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 367596b5b458SDima Chumak priv, spec)) 36767e36feebSPaul Blakey return false; 36777e36feebSPaul Blakey 3678bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 36791ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 36801ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3681e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3682e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 36833d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 36843d486ec4SOz Shlomo ip_proto); 3685bdd66ac0SOr Gerlitz return false; 3686bdd66ac0SOr Gerlitz } 3687bdd66ac0SOr Gerlitz 3688bdd66ac0SOr Gerlitz out_ok: 3689bdd66ac0SOr Gerlitz return true; 3690bdd66ac0SOr Gerlitz } 3691bdd66ac0SOr Gerlitz 36929c1d3511SRoi Dayan static bool 36939c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 36949c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 36959c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 36969c1d3511SRoi Dayan struct netlink_ext_ack *extack) 36979c1d3511SRoi Dayan { 3698d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 36999c1d3511SRoi Dayan bool ct_flow, ct_clear; 37009c1d3511SRoi Dayan 37019c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 37029c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 37039c1d3511SRoi Dayan 3704d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3705d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 37069c1d3511SRoi Dayan /* All registers used by ct are cleared when using 37079c1d3511SRoi Dayan * split rules. 37089c1d3511SRoi Dayan */ 37099c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 37109c1d3511SRoi Dayan return false; 37119c1d3511SRoi Dayan } 37129c1d3511SRoi Dayan 3713d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3714d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3715d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3716d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3717d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3718d4f401d9SRoi Dayan return false; 3719d4f401d9SRoi Dayan } 3720d4f401d9SRoi Dayan 37219c1d3511SRoi Dayan return true; 37229c1d3511SRoi Dayan } 37239c1d3511SRoi Dayan 37249c1d3511SRoi Dayan static bool 37259c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 372673867881SPablo Neira Ayuso struct flow_action *flow_action, 37270610f8dcSRoi Dayan u32 actions, 3728bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3729e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3730e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3731bdd66ac0SOr Gerlitz { 37329c1d3511SRoi Dayan bool ct_flow, ct_clear; 3733bdd66ac0SOr Gerlitz 37349c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3735a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3736c620b772SAriel Levkovich 37379c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 37389c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 37399c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 374049397b80SDan Carpenter return false; 3741bdd66ac0SOr Gerlitz 37429c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 37439c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 37449c1d3511SRoi Dayan return false; 3745bdd66ac0SOr Gerlitz 3746bdd66ac0SOr Gerlitz return true; 3747bdd66ac0SOr Gerlitz } 3748bdd66ac0SOr Gerlitz 374932134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 375032134847SMaor Dickman { 375132134847SMaor Dickman return priv->mdev == peer_priv->mdev; 375232134847SMaor Dickman } 375332134847SMaor Dickman 3754ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 37555c65c564SOr Gerlitz { 37565c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3757816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 37585c65c564SOr Gerlitz 37595c65c564SOr Gerlitz fmdev = priv->mdev; 37605c65c564SOr Gerlitz pmdev = peer_priv->mdev; 37615c65c564SOr Gerlitz 376259c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 376359c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 37645c65c564SOr Gerlitz 3765816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 37665c65c564SOr Gerlitz } 37675c65c564SOr Gerlitz 37680bac1194SEli Britstein static int 3769d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3770d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3771d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3772d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3773d9581e2fSRoi Dayan { 3774d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 377509bf9792SRoi Dayan struct pedit_headers_action *hdrs = parse_attr->hdrs; 3776d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3777d9581e2fSRoi Dayan int err; 3778d9581e2fSRoi Dayan 3779d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3780d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3781d9581e2fSRoi Dayan return 0; 3782d9581e2fSRoi Dayan 3783e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3784d9581e2fSRoi Dayan 378509bf9792SRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack); 3786d9581e2fSRoi Dayan if (err) 3787d9581e2fSRoi Dayan return err; 3788d9581e2fSRoi Dayan 3789d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3790d9581e2fSRoi Dayan return 0; 3791d9581e2fSRoi Dayan 3792fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3793d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 37942c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3795d9581e2fSRoi Dayan 3796d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3797d9581e2fSRoi Dayan return 0; 3798d9581e2fSRoi Dayan 3799d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3800d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3801d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3802d9581e2fSRoi Dayan 3803d9581e2fSRoi Dayan return 0; 3804d9581e2fSRoi Dayan } 3805d9581e2fSRoi Dayan 38068300f225SRoi Dayan static struct mlx5_flow_attr* 38078300f225SRoi Dayan mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr, 38088300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type) 38098300f225SRoi Dayan { 38108300f225SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 38118300f225SRoi Dayan u32 attr_sz = ns_to_attr_sz(ns_type); 38128300f225SRoi Dayan struct mlx5_flow_attr *attr2; 38138300f225SRoi Dayan 38148300f225SRoi Dayan attr2 = mlx5_alloc_flow_attr(ns_type); 38158300f225SRoi Dayan parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 38168300f225SRoi Dayan if (!attr2 || !parse_attr) { 38178300f225SRoi Dayan kvfree(parse_attr); 38188300f225SRoi Dayan kfree(attr2); 3819371c2b34SDan Carpenter return NULL; 38208300f225SRoi Dayan } 38218300f225SRoi Dayan 38228300f225SRoi Dayan memcpy(attr2, attr, attr_sz); 38238300f225SRoi Dayan INIT_LIST_HEAD(&attr2->list); 38248300f225SRoi Dayan parse_attr->filter_dev = attr->parse_attr->filter_dev; 38258300f225SRoi Dayan attr2->action = 0; 38268300f225SRoi Dayan attr2->flags = 0; 38278300f225SRoi Dayan attr2->parse_attr = parse_attr; 382894d65173SRoi Dayan attr2->dest_chain = 0; 382994d65173SRoi Dayan attr2->dest_ft = NULL; 38307f1a6d4bSRoi Dayan 38317f1a6d4bSRoi Dayan if (ns_type == MLX5_FLOW_NAMESPACE_FDB) { 38327f1a6d4bSRoi Dayan attr2->esw_attr->out_count = 0; 38337f1a6d4bSRoi Dayan attr2->esw_attr->split_count = 0; 38347f1a6d4bSRoi Dayan } 38357f1a6d4bSRoi Dayan 3836f86488cbSOz Shlomo attr2->branch_true = NULL; 3837f86488cbSOz Shlomo attr2->branch_false = NULL; 3838c84fa1abSOz Shlomo attr2->jumping_attr = NULL; 38398300f225SRoi Dayan return attr2; 38408300f225SRoi Dayan } 38418300f225SRoi Dayan 38428300f225SRoi Dayan struct mlx5_flow_attr * 38438300f225SRoi Dayan mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow) 38448300f225SRoi Dayan { 38458300f225SRoi Dayan struct mlx5_esw_flow_attr *esw_attr; 38468300f225SRoi Dayan struct mlx5_flow_attr *attr; 38478300f225SRoi Dayan int i; 38488300f225SRoi Dayan 38498300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38508300f225SRoi Dayan esw_attr = attr->esw_attr; 38518300f225SRoi Dayan for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 38528300f225SRoi Dayan if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP) 38538300f225SRoi Dayan return attr; 38548300f225SRoi Dayan } 38558300f225SRoi Dayan } 38568300f225SRoi Dayan 38578300f225SRoi Dayan return NULL; 38588300f225SRoi Dayan } 38598300f225SRoi Dayan 38608300f225SRoi Dayan void 38618300f225SRoi Dayan mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow) 38628300f225SRoi Dayan { 38638300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38648300f225SRoi Dayan struct mlx5_flow_attr *attr; 38658300f225SRoi Dayan 38668300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 38678300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38688300f225SRoi Dayan break; 38698300f225SRoi Dayan 38708300f225SRoi Dayan mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle); 38718300f225SRoi Dayan } 38728300f225SRoi Dayan } 38738300f225SRoi Dayan 38748300f225SRoi Dayan static void 38758300f225SRoi Dayan free_flow_post_acts(struct mlx5e_tc_flow *flow) 38768300f225SRoi Dayan { 38778300f225SRoi Dayan struct mlx5_flow_attr *attr, *tmp; 38788300f225SRoi Dayan 38798300f225SRoi Dayan list_for_each_entry_safe(attr, tmp, &flow->attrs, list) { 38808300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 38818300f225SRoi Dayan break; 38828300f225SRoi Dayan 3883f86488cbSOz Shlomo mlx5_free_flow_attr(flow, attr); 3884f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 3885f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_false); 38868300f225SRoi Dayan 38878300f225SRoi Dayan list_del(&attr->list); 38888300f225SRoi Dayan kvfree(attr->parse_attr); 38898300f225SRoi Dayan kfree(attr); 38908300f225SRoi Dayan } 38918300f225SRoi Dayan } 38928300f225SRoi Dayan 38938300f225SRoi Dayan int 38948300f225SRoi Dayan mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow) 38958300f225SRoi Dayan { 38968300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 38978300f225SRoi Dayan struct mlx5_flow_attr *attr; 38988300f225SRoi Dayan int err = 0; 38998300f225SRoi Dayan 39008300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 39018300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 39028300f225SRoi Dayan break; 39038300f225SRoi Dayan 39048300f225SRoi Dayan err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle); 39058300f225SRoi Dayan if (err) 39068300f225SRoi Dayan break; 39078300f225SRoi Dayan } 39088300f225SRoi Dayan 39098300f225SRoi Dayan return err; 39108300f225SRoi Dayan } 39118300f225SRoi Dayan 39128300f225SRoi Dayan /* TC filter rule HW translation: 39138300f225SRoi Dayan * 39148300f225SRoi Dayan * +---------------------+ 39158300f225SRoi Dayan * + ft prio (tc chain) + 39168300f225SRoi Dayan * + original match + 39178300f225SRoi Dayan * +---------------------+ 39188300f225SRoi Dayan * | 39198300f225SRoi Dayan * | if multi table action 39208300f225SRoi Dayan * | 39218300f225SRoi Dayan * v 39228300f225SRoi Dayan * +---------------------+ 39238300f225SRoi Dayan * + post act ft |<----. 39248300f225SRoi Dayan * + match fte id | | split on multi table action 39258300f225SRoi Dayan * + do actions |-----' 39268300f225SRoi Dayan * +---------------------+ 39278300f225SRoi Dayan * | 39288300f225SRoi Dayan * | 39298300f225SRoi Dayan * v 39308300f225SRoi Dayan * Do rest of the actions after last multi table action. 39318300f225SRoi Dayan */ 39328300f225SRoi Dayan static int 39338300f225SRoi Dayan alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack) 39348300f225SRoi Dayan { 39358300f225SRoi Dayan struct mlx5e_post_act *post_act = get_post_action(flow->priv); 39368300f225SRoi Dayan struct mlx5_flow_attr *attr, *next_attr = NULL; 39378300f225SRoi Dayan struct mlx5e_post_act_handle *handle; 39388300f225SRoi Dayan int err; 39398300f225SRoi Dayan 39408300f225SRoi Dayan /* This is going in reverse order as needed. 39418300f225SRoi Dayan * The first entry is the last attribute. 39428300f225SRoi Dayan */ 39438300f225SRoi Dayan list_for_each_entry(attr, &flow->attrs, list) { 39448300f225SRoi Dayan if (!next_attr) { 39458300f225SRoi Dayan /* Set counter action on last post act rule. */ 39468300f225SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3947c84fa1abSOz Shlomo } 3948c84fa1abSOz Shlomo 3949c84fa1abSOz Shlomo if (next_attr && !(attr->flags & MLX5_ATTR_FLAG_TERMINATING)) { 39508300f225SRoi Dayan err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr); 39518300f225SRoi Dayan if (err) 39528300f225SRoi Dayan goto out_free; 39538300f225SRoi Dayan } 39548300f225SRoi Dayan 39558300f225SRoi Dayan /* Don't add post_act rule for first attr (last in the list). 39568300f225SRoi Dayan * It's being handled by the caller. 39578300f225SRoi Dayan */ 39588300f225SRoi Dayan if (list_is_last(&attr->list, &flow->attrs)) 39598300f225SRoi Dayan break; 39608300f225SRoi Dayan 39618300f225SRoi Dayan err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack); 39628300f225SRoi Dayan if (err) 39638300f225SRoi Dayan goto out_free; 39648300f225SRoi Dayan 39658facc02fSOz Shlomo err = post_process_attr(flow, attr, true, extack); 39668300f225SRoi Dayan if (err) 39678300f225SRoi Dayan goto out_free; 39688300f225SRoi Dayan 39698300f225SRoi Dayan handle = mlx5e_tc_post_act_add(post_act, attr); 39708300f225SRoi Dayan if (IS_ERR(handle)) { 39718300f225SRoi Dayan err = PTR_ERR(handle); 39728300f225SRoi Dayan goto out_free; 39738300f225SRoi Dayan } 39748300f225SRoi Dayan 39758300f225SRoi Dayan attr->post_act_handle = handle; 3976c84fa1abSOz Shlomo 3977c84fa1abSOz Shlomo if (attr->jumping_attr) { 3978c84fa1abSOz Shlomo err = mlx5e_tc_act_set_next_post_act(flow, attr->jumping_attr, attr); 3979c84fa1abSOz Shlomo if (err) 3980c84fa1abSOz Shlomo goto out_free; 3981c84fa1abSOz Shlomo } 3982c84fa1abSOz Shlomo 39838300f225SRoi Dayan next_attr = attr; 39848300f225SRoi Dayan } 39858300f225SRoi Dayan 39868300f225SRoi Dayan if (flow_flag_test(flow, SLOW)) 39878300f225SRoi Dayan goto out; 39888300f225SRoi Dayan 39898300f225SRoi Dayan err = mlx5e_tc_offload_flow_post_acts(flow); 39908300f225SRoi Dayan if (err) 39918300f225SRoi Dayan goto out_free; 39928300f225SRoi Dayan 39938300f225SRoi Dayan out: 39948300f225SRoi Dayan return 0; 39958300f225SRoi Dayan 39968300f225SRoi Dayan out_free: 39978300f225SRoi Dayan free_flow_post_acts(flow); 39988300f225SRoi Dayan return err; 39998300f225SRoi Dayan } 40008300f225SRoi Dayan 40018300f225SRoi Dayan static int 4002f86488cbSOz Shlomo alloc_branch_attr(struct mlx5e_tc_flow *flow, 4003f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl *cond, 4004f86488cbSOz Shlomo struct mlx5_flow_attr **cond_attr, 4005f86488cbSOz Shlomo u32 *jump_count, 4006f86488cbSOz Shlomo struct netlink_ext_ack *extack) 4007f86488cbSOz Shlomo { 4008f86488cbSOz Shlomo struct mlx5_flow_attr *attr; 4009f86488cbSOz Shlomo int err = 0; 4010f86488cbSOz Shlomo 4011f86488cbSOz Shlomo *cond_attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, 4012f86488cbSOz Shlomo mlx5e_get_flow_namespace(flow)); 4013f86488cbSOz Shlomo if (!(*cond_attr)) 4014f86488cbSOz Shlomo return -ENOMEM; 4015f86488cbSOz Shlomo 4016f86488cbSOz Shlomo attr = *cond_attr; 4017f86488cbSOz Shlomo 4018f86488cbSOz Shlomo switch (cond->act_id) { 4019f86488cbSOz Shlomo case FLOW_ACTION_DROP: 4020f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 4021f86488cbSOz Shlomo break; 4022f86488cbSOz Shlomo case FLOW_ACTION_ACCEPT: 4023f86488cbSOz Shlomo case FLOW_ACTION_PIPE: 4024f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4025f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 4026f86488cbSOz Shlomo break; 4027f86488cbSOz Shlomo case FLOW_ACTION_JUMP: 4028f86488cbSOz Shlomo if (*jump_count) { 4029f86488cbSOz Shlomo NL_SET_ERR_MSG_MOD(extack, "Cannot offload flows with nested jumps"); 4030f86488cbSOz Shlomo err = -EOPNOTSUPP; 4031f86488cbSOz Shlomo goto out_err; 4032f86488cbSOz Shlomo } 4033f86488cbSOz Shlomo *jump_count = cond->extval; 4034f86488cbSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4035f86488cbSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); 4036f86488cbSOz Shlomo break; 4037f86488cbSOz Shlomo default: 4038f86488cbSOz Shlomo err = -EOPNOTSUPP; 4039f86488cbSOz Shlomo goto out_err; 4040f86488cbSOz Shlomo } 4041f86488cbSOz Shlomo 4042f86488cbSOz Shlomo return err; 4043f86488cbSOz Shlomo out_err: 4044f86488cbSOz Shlomo kfree(*cond_attr); 4045f86488cbSOz Shlomo *cond_attr = NULL; 4046f86488cbSOz Shlomo return err; 4047f86488cbSOz Shlomo } 4048f86488cbSOz Shlomo 4049c84fa1abSOz Shlomo static void 4050c84fa1abSOz Shlomo dec_jump_count(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 4051c84fa1abSOz Shlomo struct mlx5_flow_attr *attr, struct mlx5e_priv *priv, 4052c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state) 4053c84fa1abSOz Shlomo { 4054c84fa1abSOz Shlomo if (!jump_state->jump_count) 4055c84fa1abSOz Shlomo return; 4056c84fa1abSOz Shlomo 4057c84fa1abSOz Shlomo /* Single tc action can instantiate multiple offload actions (e.g. pedit) 4058c84fa1abSOz Shlomo * Jump only over a tc action 4059c84fa1abSOz Shlomo */ 4060c84fa1abSOz Shlomo if (act->id == jump_state->last_id && act->hw_index == jump_state->last_index) 4061c84fa1abSOz Shlomo return; 4062c84fa1abSOz Shlomo 4063c84fa1abSOz Shlomo jump_state->last_id = act->id; 4064c84fa1abSOz Shlomo jump_state->last_index = act->hw_index; 4065c84fa1abSOz Shlomo 4066c84fa1abSOz Shlomo /* nothing to do for intermediate actions */ 4067c84fa1abSOz Shlomo if (--jump_state->jump_count > 1) 4068c84fa1abSOz Shlomo return; 4069c84fa1abSOz Shlomo 4070c84fa1abSOz Shlomo if (jump_state->jump_count == 1) { /* last action in the jump action list */ 4071c84fa1abSOz Shlomo 4072c84fa1abSOz Shlomo /* create a new attribute after this action */ 4073c84fa1abSOz Shlomo jump_state->jump_target = true; 4074c84fa1abSOz Shlomo 4075c84fa1abSOz Shlomo if (tc_act->is_terminating_action) { /* the branch ends here */ 4076c84fa1abSOz Shlomo attr->flags |= MLX5_ATTR_FLAG_TERMINATING; 4077c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 4078c84fa1abSOz Shlomo } else { /* the branch continues executing the rest of the actions */ 4079c84fa1abSOz Shlomo struct mlx5e_post_act *post_act; 4080c84fa1abSOz Shlomo 4081c84fa1abSOz Shlomo attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4082c84fa1abSOz Shlomo post_act = get_post_action(priv); 4083c84fa1abSOz Shlomo attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); 4084c84fa1abSOz Shlomo } 4085c84fa1abSOz Shlomo } else if (jump_state->jump_count == 0) { /* first attr after the jump action list */ 4086c84fa1abSOz Shlomo /* This is the post action for the jumping attribute (either red or green) 4087c84fa1abSOz Shlomo * Use the stored jumping_attr to set the post act id on the jumping attribute 4088c84fa1abSOz Shlomo */ 4089c84fa1abSOz Shlomo attr->jumping_attr = jump_state->jumping_attr; 4090c84fa1abSOz Shlomo } 4091c84fa1abSOz Shlomo } 4092c84fa1abSOz Shlomo 4093f86488cbSOz Shlomo static int 4094f86488cbSOz Shlomo parse_branch_ctrl(struct flow_action_entry *act, struct mlx5e_tc_act *tc_act, 4095f86488cbSOz Shlomo struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr, 4096c84fa1abSOz Shlomo struct mlx5e_tc_jump_state *jump_state, 4097f86488cbSOz Shlomo struct netlink_ext_ack *extack) 4098f86488cbSOz Shlomo { 4099f86488cbSOz Shlomo struct mlx5e_tc_act_branch_ctrl cond_true, cond_false; 4100c84fa1abSOz Shlomo u32 jump_count = jump_state->jump_count; 4101f86488cbSOz Shlomo int err; 4102f86488cbSOz Shlomo 4103f86488cbSOz Shlomo if (!tc_act->get_branch_ctrl) 4104f86488cbSOz Shlomo return 0; 4105f86488cbSOz Shlomo 4106f86488cbSOz Shlomo tc_act->get_branch_ctrl(act, &cond_true, &cond_false); 4107f86488cbSOz Shlomo 4108f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_true, 4109f86488cbSOz Shlomo &attr->branch_true, &jump_count, extack); 4110f86488cbSOz Shlomo if (err) 4111f86488cbSOz Shlomo goto out_err; 4112f86488cbSOz Shlomo 4113c84fa1abSOz Shlomo if (jump_count) 4114c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_true; 4115c84fa1abSOz Shlomo 4116f86488cbSOz Shlomo err = alloc_branch_attr(flow, &cond_false, 4117f86488cbSOz Shlomo &attr->branch_false, &jump_count, extack); 4118f86488cbSOz Shlomo if (err) 4119f86488cbSOz Shlomo goto err_branch_false; 4120f86488cbSOz Shlomo 4121c84fa1abSOz Shlomo if (jump_count && !jump_state->jumping_attr) 4122c84fa1abSOz Shlomo jump_state->jumping_attr = attr->branch_false; 4123c84fa1abSOz Shlomo 4124c84fa1abSOz Shlomo jump_state->jump_count = jump_count; 4125f86488cbSOz Shlomo return 0; 4126f86488cbSOz Shlomo 4127f86488cbSOz Shlomo err_branch_false: 4128f86488cbSOz Shlomo free_branch_attr(flow, attr->branch_true); 4129f86488cbSOz Shlomo out_err: 4130f86488cbSOz Shlomo return err; 4131f86488cbSOz Shlomo } 4132f86488cbSOz Shlomo 4133f86488cbSOz Shlomo static int 41348300f225SRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 41358300f225SRoi Dayan struct flow_action *flow_action) 41368300f225SRoi Dayan { 41378300f225SRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 41388300f225SRoi Dayan struct mlx5e_tc_flow_action flow_action_reorder; 41398300f225SRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 4140c84fa1abSOz Shlomo struct mlx5e_tc_jump_state jump_state = {}; 41418300f225SRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 41428300f225SRoi Dayan enum mlx5_flow_namespace_type ns_type; 41438300f225SRoi Dayan struct mlx5e_priv *priv = flow->priv; 41448300f225SRoi Dayan struct flow_action_entry *act, **_act; 41458300f225SRoi Dayan struct mlx5e_tc_act *tc_act; 41468300f225SRoi Dayan int err, i; 41478300f225SRoi Dayan 41488300f225SRoi Dayan flow_action_reorder.num_entries = flow_action->num_entries; 41498300f225SRoi Dayan flow_action_reorder.entries = kcalloc(flow_action->num_entries, 41508300f225SRoi Dayan sizeof(flow_action), GFP_KERNEL); 41518300f225SRoi Dayan if (!flow_action_reorder.entries) 41528300f225SRoi Dayan return -ENOMEM; 41538300f225SRoi Dayan 41548300f225SRoi Dayan mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder); 41558300f225SRoi Dayan 41568300f225SRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 41578300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 41588300f225SRoi Dayan 41598300f225SRoi Dayan flow_action_for_each(i, _act, &flow_action_reorder) { 4160c84fa1abSOz Shlomo jump_state.jump_target = false; 41618300f225SRoi Dayan act = *_act; 41628300f225SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 41638300f225SRoi Dayan if (!tc_act) { 41648300f225SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 41658300f225SRoi Dayan err = -EOPNOTSUPP; 41668300f225SRoi Dayan goto out_free; 41678300f225SRoi Dayan } 41688300f225SRoi Dayan 41698300f225SRoi Dayan if (!tc_act->can_offload(parse_state, act, i, attr)) { 41708300f225SRoi Dayan err = -EOPNOTSUPP; 41718300f225SRoi Dayan goto out_free; 41728300f225SRoi Dayan } 41738300f225SRoi Dayan 41748300f225SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 41758300f225SRoi Dayan if (err) 41768300f225SRoi Dayan goto out_free; 41778300f225SRoi Dayan 4178c84fa1abSOz Shlomo dec_jump_count(act, tc_act, attr, priv, &jump_state); 4179c84fa1abSOz Shlomo 4180c84fa1abSOz Shlomo err = parse_branch_ctrl(act, tc_act, flow, attr, &jump_state, extack); 4181f86488cbSOz Shlomo if (err) 4182f86488cbSOz Shlomo goto out_free; 4183f86488cbSOz Shlomo 41848300f225SRoi Dayan parse_state->actions |= attr->action; 41858300f225SRoi Dayan 41868300f225SRoi Dayan /* Split attr for multi table act if not the last act. */ 4187c84fa1abSOz Shlomo if (jump_state.jump_target || 4188c84fa1abSOz Shlomo (tc_act->is_multi_table_act && 41898300f225SRoi Dayan tc_act->is_multi_table_act(priv, act, attr) && 4190c84fa1abSOz Shlomo i < flow_action_reorder.num_entries - 1)) { 41918300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 41928300f225SRoi Dayan if (err) 41938300f225SRoi Dayan goto out_free; 41948300f225SRoi Dayan 41958300f225SRoi Dayan attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type); 41968300f225SRoi Dayan if (!attr) { 41978300f225SRoi Dayan err = -ENOMEM; 41988300f225SRoi Dayan goto out_free; 41998300f225SRoi Dayan } 42008300f225SRoi Dayan 42018300f225SRoi Dayan list_add(&attr->list, &flow->attrs); 42028300f225SRoi Dayan } 42038300f225SRoi Dayan } 42048300f225SRoi Dayan 42058300f225SRoi Dayan kfree(flow_action_reorder.entries); 42068300f225SRoi Dayan 42078300f225SRoi Dayan err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type); 42088300f225SRoi Dayan if (err) 42098300f225SRoi Dayan goto out_free_post_acts; 42108300f225SRoi Dayan 42118300f225SRoi Dayan err = alloc_flow_post_acts(flow, extack); 42128300f225SRoi Dayan if (err) 42138300f225SRoi Dayan goto out_free_post_acts; 42148300f225SRoi Dayan 42158300f225SRoi Dayan return 0; 42168300f225SRoi Dayan 42178300f225SRoi Dayan out_free: 42188300f225SRoi Dayan kfree(flow_action_reorder.entries); 42198300f225SRoi Dayan out_free_post_acts: 42208300f225SRoi Dayan free_flow_post_acts(flow); 42218300f225SRoi Dayan 42228300f225SRoi Dayan return err; 42238300f225SRoi Dayan } 42248300f225SRoi Dayan 4225d9581e2fSRoi Dayan static int 4226df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 4227df990477SRoi Dayan struct netlink_ext_ack *extack) 4228df990477SRoi Dayan { 4229df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 4230df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 4231df990477SRoi Dayan return -EINVAL; 4232df990477SRoi Dayan } 4233df990477SRoi Dayan 4234df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 4235df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 4236df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4237df990477SRoi Dayan return -EOPNOTSUPP; 4238df990477SRoi Dayan } 4239df990477SRoi Dayan 4240df990477SRoi Dayan return 0; 4241df990477SRoi Dayan } 4242df990477SRoi Dayan 4243df990477SRoi Dayan static int 4244d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 424573867881SPablo Neira Ayuso struct flow_action *flow_action, 4246e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 4247e98bedf5SEli Britstein struct netlink_ext_ack *extack) 4248e3a2b7edSAmir Vadai { 4249fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4250c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4251c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 42528333d53eSRoi Dayan int err; 4253e3a2b7edSAmir Vadai 4254df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4255df990477SRoi Dayan if (err) 4256df990477SRoi Dayan return err; 4257319a1d19SJiri Pirko 4258fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 4259c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 4260fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4261fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4262758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4263e3a2b7edSAmir Vadai 42648333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4265fad54790SRoi Dayan if (err) 4266fad54790SRoi Dayan return err; 4267e3a2b7edSAmir Vadai 426809bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4269d9581e2fSRoi Dayan if (err) 4270d9581e2fSRoi Dayan return err; 4271d9581e2fSRoi Dayan 427264426382SOz Shlomo err = verify_attr_actions(attr->action, extack); 427364426382SOz Shlomo if (err) 427464426382SOz Shlomo return err; 427564426382SOz Shlomo 42760610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 42770610f8dcSRoi Dayan parse_attr, flow, extack)) 4278bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4279bdd66ac0SOr Gerlitz 4280e3a2b7edSAmir Vadai return 0; 4281e3a2b7edSAmir Vadai } 4282e3a2b7edSAmir Vadai 428332134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 4284b1d90e6bSRabie Loulou struct net_device *peer_netdev) 4285b1d90e6bSRabie Loulou { 4286b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 4287b1d90e6bSRabie Loulou 4288b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 4289b1d90e6bSRabie Loulou 4290b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 429132134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 429232134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 4293ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 4294d34eb2fcSOr Gerlitz } 4295d34eb2fcSOr Gerlitz 429632134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 429732134847SMaor Dickman struct net_device *peer_netdev) 429832134847SMaor Dickman { 429932134847SMaor Dickman struct mlx5e_priv *peer_priv; 430032134847SMaor Dickman 430132134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 430232134847SMaor Dickman 430332134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 430432134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 4305ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 430632134847SMaor Dickman } 430732134847SMaor Dickman 430832134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 430932134847SMaor Dickman struct net_device *peer_netdev) 431032134847SMaor Dickman { 431132134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 431232134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 431332134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 431432134847SMaor Dickman } 431532134847SMaor Dickman 431694db3317SEli Cohen static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev) 431794db3317SEli Cohen { 4318d6c13d74SEli Cohen if (same_hw_reps(priv, out_dev) && 431994db3317SEli Cohen MLX5_CAP_PORT_SELECTION(priv->mdev, port_select_flow_table) && 432094db3317SEli Cohen MLX5_CAP_GEN(priv->mdev, create_lag_when_not_master_up)) 432194db3317SEli Cohen return true; 432294db3317SEli Cohen 432394db3317SEli Cohen return false; 432494db3317SEli Cohen } 432594db3317SEli Cohen 4326f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4327f6dc1264SPaul Blakey struct net_device *out_dev) 4328f6dc1264SPaul Blakey { 432932134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 433032134847SMaor Dickman return true; 433132134847SMaor Dickman 433294db3317SEli Cohen if (is_multiport_eligible(priv, out_dev)) 433394db3317SEli Cohen return true; 433494db3317SEli Cohen 433532134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4336f6dc1264SPaul Blakey return true; 4337f6dc1264SPaul Blakey 4338f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 433932134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4340f6dc1264SPaul Blakey } 4341f6dc1264SPaul Blakey 434227484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 434327484f71SAriel Levkovich struct mlx5_flow_attr *attr, 434427484f71SAriel Levkovich int ifindex, 434527484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 434627484f71SAriel Levkovich u32 *action, 434727484f71SAriel Levkovich int out_index) 434827484f71SAriel Levkovich { 434927484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 435027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 435127484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 435227484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 435327484f71SAriel Levkovich int err; 435427484f71SAriel Levkovich 435527484f71SAriel Levkovich parse_attr = attr->parse_attr; 435627484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 435727484f71SAriel Levkovich 435827484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 435927484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 436027484f71SAriel Levkovich return PTR_ERR(dest_int_port); 436127484f71SAriel Levkovich 436227484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 436327484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 436427484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 436527484f71SAriel Levkovich if (err) { 436627484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 436727484f71SAriel Levkovich return err; 436827484f71SAriel Levkovich } 436927484f71SAriel Levkovich 437027484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 437127484f71SAriel Levkovich 437227484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 437327484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 437427484f71SAriel Levkovich 437527484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 437627484f71SAriel Levkovich attr->dest_chain = 0; 437727484f71SAriel Levkovich 437827484f71SAriel Levkovich return 0; 437927484f71SAriel Levkovich } 438027484f71SAriel Levkovich 43818333d53eSRoi Dayan static int 43828333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 438373867881SPablo Neira Ayuso struct flow_action *flow_action, 4384e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 438570f8019eSRoi Dayan struct netlink_ext_ack *extack) 4386a54e20b4SHadar Hen Zion { 4387fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 4388c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 4389c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4390c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 4391f382a241SAriel Levkovich struct net_device *filter_dev; 43928333d53eSRoi Dayan int err; 439303a9d11eSOr Gerlitz 4394df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 4395df990477SRoi Dayan if (err) 4396df990477SRoi Dayan return err; 4397319a1d19SJiri Pirko 4398c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4399c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4400f382a241SAriel Levkovich filter_dev = parse_attr->filter_dev; 4401fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 4402fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 4403758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 4404c620b772SAriel Levkovich 44058333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 4406fad54790SRoi Dayan if (err) 4407fad54790SRoi Dayan return err; 4408bdd66ac0SOr Gerlitz 4409166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4410f382a241SAriel Levkovich if ((netif_is_ovs_master(filter_dev) || esw_attr->dest_int_port) && 4411166f431eSAriel Levkovich esw_attr->out_count > 1) { 441227484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4413166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 441427484f71SAriel Levkovich return -EOPNOTSUPP; 441527484f71SAriel Levkovich } 441627484f71SAriel Levkovich 4417f382a241SAriel Levkovich /* Forward from tunnel/internal port to internal port is not supported */ 4418f382a241SAriel Levkovich if ((mlx5e_get_tc_tun(filter_dev) || netif_is_ovs_master(filter_dev)) && 4419f382a241SAriel Levkovich esw_attr->dest_int_port) { 4420f382a241SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4421f382a241SAriel Levkovich "Forwarding from tunnel/internal port to internal port is not supported"); 4422f382a241SAriel Levkovich return -EOPNOTSUPP; 4423f382a241SAriel Levkovich } 4424f382a241SAriel Levkovich 442509bf9792SRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack); 4426c500c86bSPablo Neira Ayuso if (err) 4427c500c86bSPablo Neira Ayuso return err; 4428c500c86bSPablo Neira Ayuso 44290610f8dcSRoi Dayan if (!actions_match_supported(priv, flow_action, parse_state->actions, 44300610f8dcSRoi Dayan parse_attr, flow, extack)) 4431bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4432bdd66ac0SOr Gerlitz 443331c8eba5SOr Gerlitz return 0; 443403a9d11eSOr Gerlitz } 443503a9d11eSOr Gerlitz 4436226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 443760bd4af8SOr Gerlitz { 4438226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 443960bd4af8SOr Gerlitz 4440226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4441226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4442226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4443226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 444460bd4af8SOr Gerlitz 4445226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4446226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4447226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4448226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 444984179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 445084179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4451d9ee0491SOr Gerlitz 445260bd4af8SOr Gerlitz *flow_flags = __flow_flags; 445360bd4af8SOr Gerlitz } 445460bd4af8SOr Gerlitz 445505866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 445605866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 445705866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 445805866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 445905866c82SOr Gerlitz .automatic_shrinking = true, 446005866c82SOr Gerlitz }; 446105866c82SOr Gerlitz 4462226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4463226f2ca3SVlad Buslov unsigned long flags) 446405866c82SOr Gerlitz { 4465f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 4466d1a3138fSPaul Blakey struct mlx5e_rep_priv *rpriv; 4467655dc3d2SOr Gerlitz 4468226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4469d1a3138fSPaul Blakey rpriv = priv->ppriv; 4470d1a3138fSPaul Blakey return &rpriv->tc_ht; 4471d9ee0491SOr Gerlitz } else /* NIC offload */ 4472f52f2faeSLama Kayal return &tc->ht; 447305866c82SOr Gerlitz } 447405866c82SOr Gerlitz 447504de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 447604de7ddaSRoi Dayan { 4477c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4478c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4479c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4480226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 44811418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 44821418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4483c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 44841418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 44851418ddd9SAviv Heller 448610fbb1cdSRoi Dayan if (!esw_paired) 448710fbb1cdSRoi Dayan return false; 448810fbb1cdSRoi Dayan 4489c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4490c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 449110fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 449210fbb1cdSRoi Dayan return true; 449310fbb1cdSRoi Dayan 449410fbb1cdSRoi Dayan return false; 449504de7ddaSRoi Dayan } 449604de7ddaSRoi Dayan 4497c620b772SAriel Levkovich struct mlx5_flow_attr * 4498c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4499c620b772SAriel Levkovich { 4500c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4501c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4502c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4503c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4504c620b772SAriel Levkovich 45058300f225SRoi Dayan attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 45068300f225SRoi Dayan if (!attr) 45078300f225SRoi Dayan return attr; 45088300f225SRoi Dayan 45098300f225SRoi Dayan INIT_LIST_HEAD(&attr->list); 45108300f225SRoi Dayan return attr; 4511c620b772SAriel Levkovich } 4512c620b772SAriel Levkovich 4513f86488cbSOz Shlomo static void 4514f86488cbSOz Shlomo mlx5_free_flow_attr(struct mlx5e_tc_flow *flow, struct mlx5_flow_attr *attr) 4515f86488cbSOz Shlomo { 4516f86488cbSOz Shlomo struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow); 4517f86488cbSOz Shlomo bool vf_tun; 4518f86488cbSOz Shlomo 4519f86488cbSOz Shlomo if (!attr) 4520f86488cbSOz Shlomo return; 4521f86488cbSOz Shlomo 4522f86488cbSOz Shlomo if (attr->post_act_handle) 4523f86488cbSOz Shlomo mlx5e_tc_post_act_del(get_post_action(flow->priv), attr->post_act_handle); 4524f86488cbSOz Shlomo 4525f86488cbSOz Shlomo clean_encap_dests(flow->priv, flow, attr, &vf_tun); 4526f86488cbSOz Shlomo 4527f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 4528f86488cbSOz Shlomo mlx5_fc_destroy(counter_dev, attr->counter); 4529f86488cbSOz Shlomo 4530f86488cbSOz Shlomo if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 4531f86488cbSOz Shlomo mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 4532f86488cbSOz Shlomo if (attr->modify_hdr) 4533f86488cbSOz Shlomo mlx5_modify_header_dealloc(flow->priv->mdev, attr->modify_hdr); 4534f86488cbSOz Shlomo } 4535f86488cbSOz Shlomo } 4536f86488cbSOz Shlomo 4537a88780a9SRoi Dayan static int 4538a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4539226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4540a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4541a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4542e3a2b7edSAmir Vadai { 454317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4544c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 45453bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4546ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4547ff7ea04aSGustavo A. R. Silva int out_index; 4548776b12b6SOr Gerlitz 4549c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 45501b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4551ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4552ff7ea04aSGustavo A. R. Silva goto err_free; 4553c620b772SAriel Levkovich 4554c620b772SAriel Levkovich flow->flags = flow_flags; 4555c620b772SAriel Levkovich flow->cookie = f->cookie; 4556c620b772SAriel Levkovich flow->priv = priv; 4557c620b772SAriel Levkovich 4558e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 4559ff7ea04aSGustavo A. R. Silva if (!attr) 4560e3a2b7edSAmir Vadai goto err_free; 4561ff7ea04aSGustavo A. R. Silva 4562c620b772SAriel Levkovich flow->attr = attr; 4563e3a2b7edSAmir Vadai 45645a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 45655a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 45665a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 456714e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 45688300f225SRoi Dayan INIT_LIST_HEAD(&flow->attrs); 45695a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 457095435ad7SVlad Buslov init_completion(&flow->init_done); 4571362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4572e3a2b7edSAmir Vadai 4573a88780a9SRoi Dayan *__flow = flow; 4574a88780a9SRoi Dayan *__parse_attr = parse_attr; 4575a88780a9SRoi Dayan 4576a88780a9SRoi Dayan return 0; 4577a88780a9SRoi Dayan 4578a88780a9SRoi Dayan err_free: 4579a88780a9SRoi Dayan kfree(flow); 4580a88780a9SRoi Dayan kvfree(parse_attr); 4581a88780a9SRoi Dayan return err; 4582adb4c123SOr Gerlitz } 4583adb4c123SOr Gerlitz 4584988ab9c7STonghao Zhang static void 4585c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4586c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4587c7569097SAriel Levkovich struct flow_cls_offload *f) 4588c7569097SAriel Levkovich { 4589c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4590c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4591c7569097SAriel Levkovich attr->prio = f->common.prio; 4592c7569097SAriel Levkovich } 4593c7569097SAriel Levkovich 4594c7569097SAriel Levkovich static void 4595c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4596988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4597988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4598f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4599988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4600988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4601988ab9c7STonghao Zhang { 4602988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4603c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4604988ab9c7STonghao Zhang 4605c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4606988ab9c7STonghao Zhang 4607988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4608988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4609988ab9c7STonghao Zhang 4610988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4611988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4612988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4613988ab9c7STonghao Zhang else 4614988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4615988ab9c7STonghao Zhang } 4616988ab9c7STonghao Zhang 461771129676SJason Gunthorpe static struct mlx5e_tc_flow * 461804de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4619f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4620226f2ca3SVlad Buslov unsigned long flow_flags, 4621d11afc26SOz Shlomo struct net_device *filter_dev, 462204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 462371129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4624a88780a9SRoi Dayan { 4625f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 462694db3317SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4627a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4628a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4629a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4630a88780a9SRoi Dayan int attr_size, err; 4631a88780a9SRoi Dayan 4632226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4633a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4634a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4635a88780a9SRoi Dayan &parse_attr, &flow); 4636a88780a9SRoi Dayan if (err) 4637a88780a9SRoi Dayan goto out; 4638988ab9c7STonghao Zhang 4639d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4640c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4641988ab9c7STonghao Zhang priv, parse_attr, 4642988ab9c7STonghao Zhang f, in_rep, in_mdev); 4643988ab9c7STonghao Zhang 464454c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 464554c177caSOz Shlomo f, filter_dev); 4646d11afc26SOz Shlomo if (err) 4647d11afc26SOz Shlomo goto err_free; 4648a88780a9SRoi Dayan 46497e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4650aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4651c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4652a88780a9SRoi Dayan if (err) 4653a88780a9SRoi Dayan goto err_free; 4654a88780a9SRoi Dayan 4655d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 4656d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4657d4bb0531SRoi Dayan 465870f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 46594c3844d9SPaul Blakey if (err) 46604c3844d9SPaul Blakey goto err_free; 46614c3844d9SPaul Blakey 466294db3317SEli Cohen if (flow->attr->lag.count) { 466394db3317SEli Cohen err = mlx5_lag_add_mpesw_rule(esw->dev); 466494db3317SEli Cohen if (err) 466594db3317SEli Cohen goto err_free; 466694db3317SEli Cohen } 466794db3317SEli Cohen 46687040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 466995435ad7SVlad Buslov complete_all(&flow->init_done); 4670ef06c9eeSRoi Dayan if (err) { 4671ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 467294db3317SEli Cohen goto err_lag; 46735c40348cSOr Gerlitz 4674b4a23329SRoi Dayan add_unready_flow(flow); 4675ef06c9eeSRoi Dayan } 4676ef06c9eeSRoi Dayan 467771129676SJason Gunthorpe return flow; 4678e3a2b7edSAmir Vadai 467994db3317SEli Cohen err_lag: 468094db3317SEli Cohen if (flow->attr->lag.count) 468194db3317SEli Cohen mlx5_lag_del_mpesw_rule(esw->dev); 4682e3a2b7edSAmir Vadai err_free: 46835a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4684a88780a9SRoi Dayan out: 468571129676SJason Gunthorpe return ERR_PTR(err); 4686a88780a9SRoi Dayan } 4687a88780a9SRoi Dayan 4688f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 468995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4690226f2ca3SVlad Buslov unsigned long flow_flags) 469104de7ddaSRoi Dayan { 469204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 469304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4694c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 469504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 469604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 469704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 469804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 469904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 470004de7ddaSRoi Dayan int err = 0; 470104de7ddaSRoi Dayan 470204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 470304de7ddaSRoi Dayan if (!peer_esw) 470404de7ddaSRoi Dayan return -ENODEV; 470504de7ddaSRoi Dayan 470604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 470704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 470804de7ddaSRoi Dayan 470904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 471004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 471104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 471204de7ddaSRoi Dayan * peer mdev. 471304de7ddaSRoi Dayan */ 4714c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 471504de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 471604de7ddaSRoi Dayan else 471704de7ddaSRoi Dayan in_mdev = priv->mdev; 471804de7ddaSRoi Dayan 4719c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 472095dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 472104de7ddaSRoi Dayan parse_attr->filter_dev, 4722c620b772SAriel Levkovich attr->in_rep, in_mdev); 472371129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 472471129676SJason Gunthorpe err = PTR_ERR(peer_flow); 472504de7ddaSRoi Dayan goto out; 472671129676SJason Gunthorpe } 472704de7ddaSRoi Dayan 472804de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4729226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 473004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 473104de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 473204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 473304de7ddaSRoi Dayan 473404de7ddaSRoi Dayan out: 473504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 473604de7ddaSRoi Dayan return err; 473704de7ddaSRoi Dayan } 473804de7ddaSRoi Dayan 473904de7ddaSRoi Dayan static int 474004de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4741f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4742226f2ca3SVlad Buslov unsigned long flow_flags, 474304de7ddaSRoi Dayan struct net_device *filter_dev, 474404de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 474504de7ddaSRoi Dayan { 474604de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 474704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 474804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 474904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 475004de7ddaSRoi Dayan int err; 475104de7ddaSRoi Dayan 475271129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 475371129676SJason Gunthorpe in_mdev); 475471129676SJason Gunthorpe if (IS_ERR(flow)) 475571129676SJason Gunthorpe return PTR_ERR(flow); 475604de7ddaSRoi Dayan 475704de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 475895dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 475904de7ddaSRoi Dayan if (err) { 476004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 476104de7ddaSRoi Dayan goto out; 476204de7ddaSRoi Dayan } 476304de7ddaSRoi Dayan } 476404de7ddaSRoi Dayan 476504de7ddaSRoi Dayan *__flow = flow; 476604de7ddaSRoi Dayan 476704de7ddaSRoi Dayan return 0; 476804de7ddaSRoi Dayan 476904de7ddaSRoi Dayan out: 477004de7ddaSRoi Dayan return err; 477104de7ddaSRoi Dayan } 477204de7ddaSRoi Dayan 4773a88780a9SRoi Dayan static int 4774a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4775f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4776226f2ca3SVlad Buslov unsigned long flow_flags, 4777d11afc26SOz Shlomo struct net_device *filter_dev, 4778a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4779a88780a9SRoi Dayan { 4780f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4781a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4782a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4783a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4784a88780a9SRoi Dayan int attr_size, err; 4785a88780a9SRoi Dayan 4786c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4787bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4788bf07aa73SPaul Blakey return -EOPNOTSUPP; 4789c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4790c7569097SAriel Levkovich return -EOPNOTSUPP; 4791c7569097SAriel Levkovich } 4792bf07aa73SPaul Blakey 4793226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4794a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4795a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4796a88780a9SRoi Dayan &parse_attr, &flow); 4797a88780a9SRoi Dayan if (err) 4798a88780a9SRoi Dayan goto out; 4799a88780a9SRoi Dayan 4800d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4801c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4802c7569097SAriel Levkovich 480354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 480454c177caSOz Shlomo f, filter_dev); 4805d11afc26SOz Shlomo if (err) 4806d11afc26SOz Shlomo goto err_free; 4807d11afc26SOz Shlomo 4808aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4809aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4810aedd133dSAriel Levkovich if (err) 4811aedd133dSAriel Levkovich goto err_free; 4812aedd133dSAriel Levkovich 4813c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4814a88780a9SRoi Dayan if (err) 4815a88780a9SRoi Dayan goto err_free; 4816a88780a9SRoi Dayan 4817c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4818a88780a9SRoi Dayan if (err) 4819a88780a9SRoi Dayan goto err_free; 4820a88780a9SRoi Dayan 4821226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4822a88780a9SRoi Dayan *__flow = flow; 4823a88780a9SRoi Dayan 4824a88780a9SRoi Dayan return 0; 4825a88780a9SRoi Dayan 4826a88780a9SRoi Dayan err_free: 48278914add2SVlad Buslov flow_flag_set(flow, FAILED); 48282c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 48295a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4830a88780a9SRoi Dayan out: 4831a88780a9SRoi Dayan return err; 4832a88780a9SRoi Dayan } 4833a88780a9SRoi Dayan 4834a88780a9SRoi Dayan static int 4835a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4836f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4837226f2ca3SVlad Buslov unsigned long flags, 4838d11afc26SOz Shlomo struct net_device *filter_dev, 4839a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4840a88780a9SRoi Dayan { 4841a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4842226f2ca3SVlad Buslov unsigned long flow_flags; 4843a88780a9SRoi Dayan int err; 4844a88780a9SRoi Dayan 4845a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4846a88780a9SRoi Dayan 4847bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4848bf07aa73SPaul Blakey return -EOPNOTSUPP; 4849bf07aa73SPaul Blakey 4850f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4851d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4852d11afc26SOz Shlomo filter_dev, flow); 4853a88780a9SRoi Dayan else 4854d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4855d11afc26SOz Shlomo filter_dev, flow); 4856a88780a9SRoi Dayan 4857a88780a9SRoi Dayan return err; 4858a88780a9SRoi Dayan } 4859a88780a9SRoi Dayan 4860553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4861553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4862553f9328SVu Pham { 4863553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 48642fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 48652fb15e72SVlad Buslov * function is called from NIC mode. 4866553f9328SVu Pham */ 48672fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4868553f9328SVu Pham } 4869553f9328SVu Pham 487071d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4871226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4872a88780a9SRoi Dayan { 4873a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4874d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4875553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4876a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4877a88780a9SRoi Dayan int err = 0; 4878a88780a9SRoi Dayan 48797dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 4880794131c4SJianbo Liu return -EBUSY; 48817dc84de9SRoi Dayan 48827dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 48837dc84de9SRoi Dayan 4884c5d326b2SVlad Buslov rcu_read_lock(); 4885c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4886a88780a9SRoi Dayan if (flow) { 4887553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4888553f9328SVu Pham * just return 0. 4889553f9328SVu Pham */ 4890553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4891c1aea9e1SVlad Buslov goto rcu_unlock; 4892553f9328SVu Pham 4893a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4894a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4895a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4896a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4897a88780a9SRoi Dayan f->cookie); 48980e1c1a2fSVlad Buslov err = -EEXIST; 4899c1aea9e1SVlad Buslov goto rcu_unlock; 4900a88780a9SRoi Dayan } 4901c1aea9e1SVlad Buslov rcu_unlock: 4902c1aea9e1SVlad Buslov rcu_read_unlock(); 4903c1aea9e1SVlad Buslov if (flow) 4904c1aea9e1SVlad Buslov goto out; 4905a88780a9SRoi Dayan 49067a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4907d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4908a88780a9SRoi Dayan if (err) 4909a88780a9SRoi Dayan goto out; 4910a88780a9SRoi Dayan 4911553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4912553f9328SVu Pham * set the flow's owner dev. 4913553f9328SVu Pham */ 4914553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4915553f9328SVu Pham flow->orig_dev = dev; 4916553f9328SVu Pham 4917c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4918a88780a9SRoi Dayan if (err) 4919a88780a9SRoi Dayan goto err_free; 4920a88780a9SRoi Dayan 49217dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4922a88780a9SRoi Dayan return 0; 4923a88780a9SRoi Dayan 4924a88780a9SRoi Dayan err_free: 49255a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4926a88780a9SRoi Dayan out: 49277dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 49287dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4929e3a2b7edSAmir Vadai return err; 4930e3a2b7edSAmir Vadai } 4931e3a2b7edSAmir Vadai 49328f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 49338f8ae895SOr Gerlitz { 4934226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4935226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 49368f8ae895SOr Gerlitz 4937226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4938226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 49398f8ae895SOr Gerlitz } 49408f8ae895SOr Gerlitz 494171d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4942226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4943e3a2b7edSAmir Vadai { 4944d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4945e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4946c5d326b2SVlad Buslov int err; 4947e3a2b7edSAmir Vadai 4948c5d326b2SVlad Buslov rcu_read_lock(); 4949ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4950c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4951c5d326b2SVlad Buslov err = -EINVAL; 4952c5d326b2SVlad Buslov goto errout; 4953c5d326b2SVlad Buslov } 4954e3a2b7edSAmir Vadai 4955c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4956c5d326b2SVlad Buslov * set. 4957c5d326b2SVlad Buslov */ 4958c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4959c5d326b2SVlad Buslov err = -EINVAL; 4960c5d326b2SVlad Buslov goto errout; 4961c5d326b2SVlad Buslov } 496205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4963c5d326b2SVlad Buslov rcu_read_unlock(); 4964e3a2b7edSAmir Vadai 49657a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 49665a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4967e3a2b7edSAmir Vadai 49687dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4969e3a2b7edSAmir Vadai return 0; 4970c5d326b2SVlad Buslov 4971c5d326b2SVlad Buslov errout: 4972c5d326b2SVlad Buslov rcu_read_unlock(); 4973c5d326b2SVlad Buslov return err; 4974e3a2b7edSAmir Vadai } 4975e3a2b7edSAmir Vadai 497671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4977226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4978aad7e08dSAmir Vadai { 497904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4980d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 498104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4982aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4983aad7e08dSAmir Vadai struct mlx5_fc *counter; 4984316d5f72SRoi Dayan u64 lastuse = 0; 4985316d5f72SRoi Dayan u64 packets = 0; 4986316d5f72SRoi Dayan u64 bytes = 0; 49875a7e5bcbSVlad Buslov int err = 0; 4988aad7e08dSAmir Vadai 4989c5d326b2SVlad Buslov rcu_read_lock(); 4990c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 49915a7e5bcbSVlad Buslov tc_ht_params)); 4992c5d326b2SVlad Buslov rcu_read_unlock(); 49935a7e5bcbSVlad Buslov if (IS_ERR(flow)) 49945a7e5bcbSVlad Buslov return PTR_ERR(flow); 49955a7e5bcbSVlad Buslov 49965a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 49975a7e5bcbSVlad Buslov err = -EINVAL; 49985a7e5bcbSVlad Buslov goto errout; 49995a7e5bcbSVlad Buslov } 5000aad7e08dSAmir Vadai 50014c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 5002b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 5003aad7e08dSAmir Vadai if (!counter) 50045a7e5bcbSVlad Buslov goto errout; 5005aad7e08dSAmir Vadai 5006aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 5007316d5f72SRoi Dayan } 5008aad7e08dSAmir Vadai 5009316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 5010316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 5011316d5f72SRoi Dayan */ 501204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 501304de7ddaSRoi Dayan if (!peer_esw) 501404de7ddaSRoi Dayan goto out; 501504de7ddaSRoi Dayan 5016226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 5017226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 501804de7ddaSRoi Dayan u64 bytes2; 501904de7ddaSRoi Dayan u64 packets2; 502004de7ddaSRoi Dayan u64 lastuse2; 502104de7ddaSRoi Dayan 502204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 5023316d5f72SRoi Dayan if (!counter) 5024316d5f72SRoi Dayan goto no_peer_counter; 502504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 502604de7ddaSRoi Dayan 502704de7ddaSRoi Dayan bytes += bytes2; 502804de7ddaSRoi Dayan packets += packets2; 502904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 503004de7ddaSRoi Dayan } 503104de7ddaSRoi Dayan 5032316d5f72SRoi Dayan no_peer_counter: 503304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 503404de7ddaSRoi Dayan out: 50354b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 503693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 50377a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 50385a7e5bcbSVlad Buslov errout: 50395a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 50405a7e5bcbSVlad Buslov return err; 5041aad7e08dSAmir Vadai } 5042aad7e08dSAmir Vadai 50431fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 5044fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5045fcb64c0fSEli Cohen { 5046fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5047fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 50481fe3e316SParav Pandit u32 rate_mbps = 0; 5049fcb64c0fSEli Cohen u16 vport_num; 5050fcb64c0fSEli Cohen int err; 5051fcb64c0fSEli Cohen 5052e401a184SEli Cohen vport_num = rpriv->rep->vport; 5053e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 5054e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 5055e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 5056e401a184SEli Cohen return -EOPNOTSUPP; 5057e401a184SEli Cohen } 5058e401a184SEli Cohen 5059fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 5060fcb64c0fSEli Cohen /* rate is given in bytes/sec. 5061fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 5062fcb64c0fSEli Cohen * mbit means million bits. 5063fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 5064fcb64c0fSEli Cohen * 1 mbit/sec. 5065fcb64c0fSEli Cohen */ 50661fe3e316SParav Pandit if (rate) { 50671fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 50688b90d897SParav Pandit do_div(rate, 1000000); 50698b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 50701fe3e316SParav Pandit } 50711fe3e316SParav Pandit 50722d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 5073fcb64c0fSEli Cohen if (err) 5074fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5075fcb64c0fSEli Cohen 5076fcb64c0fSEli Cohen return err; 5077fcb64c0fSEli Cohen } 5078fcb64c0fSEli Cohen 50793603f266SOz Shlomo static int 50803603f266SOz Shlomo tc_matchall_police_validate(const struct flow_action *action, 5081d97b4b10SJianbo Liu const struct flow_action_entry *act, 5082d97b4b10SJianbo Liu struct netlink_ext_ack *extack) 5083d97b4b10SJianbo Liu { 50843603f266SOz Shlomo if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) { 50853603f266SOz Shlomo NL_SET_ERR_MSG_MOD(extack, 50863603f266SOz Shlomo "Offload not supported when conform action is not continue"); 50873603f266SOz Shlomo return -EOPNOTSUPP; 50883603f266SOz Shlomo } 50893603f266SOz Shlomo 5090d97b4b10SJianbo Liu if (act->police.exceed.act_id != FLOW_ACTION_DROP) { 5091d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5092d97b4b10SJianbo Liu "Offload not supported when exceed action is not drop"); 5093d97b4b10SJianbo Liu return -EOPNOTSUPP; 5094d97b4b10SJianbo Liu } 5095d97b4b10SJianbo Liu 5096d97b4b10SJianbo Liu if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT && 5097d97b4b10SJianbo Liu !flow_action_is_last_entry(action, act)) { 5098d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5099d97b4b10SJianbo Liu "Offload not supported when conform action is ok, but action is not last"); 5100d97b4b10SJianbo Liu return -EOPNOTSUPP; 5101d97b4b10SJianbo Liu } 5102d97b4b10SJianbo Liu 5103d97b4b10SJianbo Liu if (act->police.peakrate_bytes_ps || 5104d97b4b10SJianbo Liu act->police.avrate || act->police.overhead) { 5105d97b4b10SJianbo Liu NL_SET_ERR_MSG_MOD(extack, 5106d97b4b10SJianbo Liu "Offload not supported when peakrate/avrate/overhead is configured"); 5107d97b4b10SJianbo Liu return -EOPNOTSUPP; 5108d97b4b10SJianbo Liu } 5109d97b4b10SJianbo Liu 5110d97b4b10SJianbo Liu return 0; 5111d97b4b10SJianbo Liu } 5112d97b4b10SJianbo Liu 5113fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5114fcb64c0fSEli Cohen struct flow_action *flow_action, 5115fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5116fcb64c0fSEli Cohen { 5117fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5118fcb64c0fSEli Cohen const struct flow_action_entry *act; 5119fcb64c0fSEli Cohen int err; 5120fcb64c0fSEli Cohen int i; 5121fcb64c0fSEli Cohen 5122fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5123fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5124fcb64c0fSEli Cohen return -EINVAL; 5125fcb64c0fSEli Cohen } 5126fcb64c0fSEli Cohen 5127fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5128fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5129fcb64c0fSEli Cohen return -EOPNOTSUPP; 5130fcb64c0fSEli Cohen } 5131fcb64c0fSEli Cohen 51320885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 51330885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 5134319a1d19SJiri Pirko return -EOPNOTSUPP; 51350885ae1aSAbhiram R N } 5136319a1d19SJiri Pirko 5137fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5138fcb64c0fSEli Cohen switch (act->id) { 5139fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 51403603f266SOz Shlomo err = tc_matchall_police_validate(flow_action, act, extack); 5141d97b4b10SJianbo Liu if (err) 5142d97b4b10SJianbo Liu return err; 5143d97b4b10SJianbo Liu 5144fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5145fcb64c0fSEli Cohen if (err) 5146fcb64c0fSEli Cohen return err; 5147fcb64c0fSEli Cohen 5148fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5149fcb64c0fSEli Cohen break; 5150fcb64c0fSEli Cohen default: 5151fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5152fcb64c0fSEli Cohen return -EOPNOTSUPP; 5153fcb64c0fSEli Cohen } 5154fcb64c0fSEli Cohen } 5155fcb64c0fSEli Cohen 5156fcb64c0fSEli Cohen return 0; 5157fcb64c0fSEli Cohen } 5158fcb64c0fSEli Cohen 5159fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5160fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5161fcb64c0fSEli Cohen { 5162fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5163fcb64c0fSEli Cohen 51647b83355fSEli Cohen if (ma->common.prio != 1) { 5165fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5166fcb64c0fSEli Cohen return -EINVAL; 5167fcb64c0fSEli Cohen } 5168fcb64c0fSEli Cohen 5169fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5170fcb64c0fSEli Cohen } 5171fcb64c0fSEli Cohen 5172fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5173fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5174fcb64c0fSEli Cohen { 5175fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5176fcb64c0fSEli Cohen 5177fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5178fcb64c0fSEli Cohen } 5179fcb64c0fSEli Cohen 5180fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5181fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5182fcb64c0fSEli Cohen { 5183fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5184fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5185fcb64c0fSEli Cohen u64 dbytes; 5186fcb64c0fSEli Cohen u64 dpkts; 5187fcb64c0fSEli Cohen 5188fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5189fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5190fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5191fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 51924b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 519393a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5194fcb64c0fSEli Cohen } 5195fcb64c0fSEli Cohen 51964d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 51974d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 51984d8fcf21SAlaa Hleihel { 5199f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 52004d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5201db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5202db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 52034d8fcf21SAlaa Hleihel u16 peer_vhca_id; 52044d8fcf21SAlaa Hleihel int bkt; 52054d8fcf21SAlaa Hleihel 5206ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 52074d8fcf21SAlaa Hleihel return; 52084d8fcf21SAlaa Hleihel 52094d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 52104d8fcf21SAlaa Hleihel 5211f52f2faeSLama Kayal mutex_lock(&tc->hairpin_tbl_lock); 5212f52f2faeSLama Kayal hash_for_each(tc->hairpin_tbl, bkt, hpe, hairpin_hlist) 5213db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5214db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5215f52f2faeSLama Kayal mutex_unlock(&tc->hairpin_tbl_lock); 5216db76ca24SVlad Buslov 5217db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5218db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5219db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5220a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5221db76ca24SVlad Buslov 5222db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5223db76ca24SVlad Buslov } 52244d8fcf21SAlaa Hleihel } 52254d8fcf21SAlaa Hleihel 52264d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 52274d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 52284d8fcf21SAlaa Hleihel { 52294d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 52304d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 52314d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 52324d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 52334d8fcf21SAlaa Hleihel 52344d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 52354d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 52364d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 52374d8fcf21SAlaa Hleihel return NOTIFY_DONE; 52384d8fcf21SAlaa Hleihel 52394d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 524065f586c2SLama Kayal priv = tc->priv; 52414d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 52424d8fcf21SAlaa Hleihel if (priv == peer_priv || 52434d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 52444d8fcf21SAlaa Hleihel return NOTIFY_DONE; 52454d8fcf21SAlaa Hleihel 52464d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 52474d8fcf21SAlaa Hleihel 52484d8fcf21SAlaa Hleihel return NOTIFY_DONE; 52494d8fcf21SAlaa Hleihel } 52504d8fcf21SAlaa Hleihel 52516a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 52526a064674SAriel Levkovich { 52536a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 52546a064674SAriel Levkovich u32 max_flow_counter; 52556a064674SAriel Levkovich 52566a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 52576a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 52586a064674SAriel Levkovich 52596a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 52606a064674SAriel Levkovich 52616a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 52626a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 52636a064674SAriel Levkovich 52646a064674SAriel Levkovich return tc_tbl_size; 52656a064674SAriel Levkovich } 52666a064674SAriel Levkovich 526766cb64e2SMaor Dickman static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv) 526866cb64e2SMaor Dickman { 5269f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5270f52f2faeSLama Kayal struct mlx5_flow_table **ft = &tc->miss_t; 527166cb64e2SMaor Dickman struct mlx5_flow_table_attr ft_attr = {}; 527266cb64e2SMaor Dickman struct mlx5_flow_namespace *ns; 527366cb64e2SMaor Dickman int err = 0; 527466cb64e2SMaor Dickman 527566cb64e2SMaor Dickman ft_attr.max_fte = 1; 527666cb64e2SMaor Dickman ft_attr.autogroup.max_num_groups = 1; 527766cb64e2SMaor Dickman ft_attr.level = MLX5E_TC_MISS_LEVEL; 527866cb64e2SMaor Dickman ft_attr.prio = 0; 527966cb64e2SMaor Dickman ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL); 528066cb64e2SMaor Dickman 528166cb64e2SMaor Dickman *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr); 528266cb64e2SMaor Dickman if (IS_ERR(*ft)) { 528366cb64e2SMaor Dickman err = PTR_ERR(*ft); 528466cb64e2SMaor Dickman netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err); 528566cb64e2SMaor Dickman } 528666cb64e2SMaor Dickman 528766cb64e2SMaor Dickman return err; 528866cb64e2SMaor Dickman } 528966cb64e2SMaor Dickman 529066cb64e2SMaor Dickman static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv) 529166cb64e2SMaor Dickman { 5292f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5293f52f2faeSLama Kayal 5294f52f2faeSLama Kayal mlx5_destroy_flow_table(tc->miss_t); 529566cb64e2SMaor Dickman } 529666cb64e2SMaor Dickman 5297655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5298e8f887acSAmir Vadai { 5299f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 53006a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5301c9355682SChris Mi struct mapping_ctx *chains_mapping; 53026a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 53032198b932SRoi Dayan u64 mapping_id; 53044d8fcf21SAlaa Hleihel int err; 5305e8f887acSAmir Vadai 5306b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5307b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5308b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 53095c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 531065f586c2SLama Kayal tc->priv = priv; 531111c9c548SOr Gerlitz 53124d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 53134d8fcf21SAlaa Hleihel if (err) 53144d8fcf21SAlaa Hleihel return err; 53154d8fcf21SAlaa Hleihel 53169ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 53179ba33339SRoi Dayan 53182198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 53192198b932SRoi Dayan 53202198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 53212198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5322c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 53232198b932SRoi Dayan 5324c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5325c9355682SChris Mi err = PTR_ERR(chains_mapping); 5326c9355682SChris Mi goto err_mapping; 5327c9355682SChris Mi } 5328c9355682SChris Mi tc->mapping = chains_mapping; 5329c9355682SChris Mi 533066cb64e2SMaor Dickman err = mlx5e_tc_nic_create_miss_table(priv); 533166cb64e2SMaor Dickman if (err) 533266cb64e2SMaor Dickman goto err_chains; 533366cb64e2SMaor Dickman 5334c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5335c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5336c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 53376a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 53386a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 53396a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 5340f52f2faeSLama Kayal attr.default_ft = tc->miss_t; 5341c9355682SChris Mi attr.mapping = chains_mapping; 53426a064674SAriel Levkovich 53436a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 53446a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 53456a064674SAriel Levkovich err = PTR_ERR(tc->chains); 534666cb64e2SMaor Dickman goto err_miss; 53476a064674SAriel Levkovich } 53486a064674SAriel Levkovich 5349f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 535065f586c2SLama Kayal tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr, 5351f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5352aedd133dSAriel Levkovich 53531a803472SGal Pressman mlx5e_hairpin_params_init(&tc->hairpin_params, dev); 53541a803472SGal Pressman 53554d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5356d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5357d48834f9SJiri Pirko &tc->netdevice_nb, 5358d48834f9SJiri Pirko &tc->netdevice_nn); 5359d48834f9SJiri Pirko if (err) { 53604d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 53614d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 53626a064674SAriel Levkovich goto err_reg; 53634d8fcf21SAlaa Hleihel } 53644d8fcf21SAlaa Hleihel 5365*0e414518SGal Pressman mlx5e_tc_debugfs_init(tc, mlx5e_fs_get_debugfs_root(priv->fs)); 5366*0e414518SGal Pressman 53676a064674SAriel Levkovich return 0; 53686a064674SAriel Levkovich 53696a064674SAriel Levkovich err_reg: 5370aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5371f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 53726a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 537366cb64e2SMaor Dickman err_miss: 537466cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 53756a064674SAriel Levkovich err_chains: 5376c9355682SChris Mi mapping_destroy(chains_mapping); 5377c9355682SChris Mi err_mapping: 53786a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 53794d8fcf21SAlaa Hleihel return err; 5380e8f887acSAmir Vadai } 5381e8f887acSAmir Vadai 5382e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5383e8f887acSAmir Vadai { 5384e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5385655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5386e8f887acSAmir Vadai 5387961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5388e8f887acSAmir Vadai kfree(flow); 5389e8f887acSAmir Vadai } 5390e8f887acSAmir Vadai 5391655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5392e8f887acSAmir Vadai { 5393f52f2faeSLama Kayal struct mlx5e_tc_table *tc = mlx5e_fs_get_tc(priv->fs); 5394e8f887acSAmir Vadai 5395*0e414518SGal Pressman debugfs_remove_recursive(tc->dfs_root); 5396*0e414518SGal Pressman 53974d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5398d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5399d48834f9SJiri Pirko &tc->netdevice_nb, 5400d48834f9SJiri Pirko &tc->netdevice_nn); 54014d8fcf21SAlaa Hleihel 5402b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5403b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5404b32accdaSVlad Buslov 54056a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5406e8f887acSAmir Vadai 5407acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 54086a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5409acff797cSMaor Gottlieb tc->t = NULL; 5410e8f887acSAmir Vadai } 5411b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 54126a064674SAriel Levkovich 5413aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5414f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5415c9355682SChris Mi mapping_destroy(tc->mapping); 54166a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 541766cb64e2SMaor Dickman mlx5e_tc_nic_destroy_miss_table(priv); 5418e8f887acSAmir Vadai } 5419655dc3d2SOr Gerlitz 5420d1a3138fSPaul Blakey int mlx5e_tc_ht_init(struct rhashtable *tc_ht) 5421d1a3138fSPaul Blakey { 5422d1a3138fSPaul Blakey int err; 5423d1a3138fSPaul Blakey 5424d1a3138fSPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 5425d1a3138fSPaul Blakey if (err) 5426d1a3138fSPaul Blakey return err; 5427d1a3138fSPaul Blakey 5428d1a3138fSPaul Blakey lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 5429d1a3138fSPaul Blakey 5430d1a3138fSPaul Blakey return 0; 5431d1a3138fSPaul Blakey } 5432d1a3138fSPaul Blakey 5433d1a3138fSPaul Blakey void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht) 5434d1a3138fSPaul Blakey { 5435d1a3138fSPaul Blakey rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 5436d1a3138fSPaul Blakey } 5437d1a3138fSPaul Blakey 5438d1a3138fSPaul Blakey int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv) 5439655dc3d2SOr Gerlitz { 5440d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 5441aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 54420a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5443aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5444aedd133dSAriel Levkovich struct mlx5e_priv *priv; 54452198b932SRoi Dayan u64 mapping_id; 5446aedd133dSAriel Levkovich int err = 0; 54470a7fcb78SPaul Blakey 5448aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5449aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5450aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 54510a7fcb78SPaul Blakey 5452f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5453f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5454aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5455aedd133dSAriel Levkovich esw_chains(esw), 5456aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5457f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5458f0da4daaSChris Mi uplink_priv->post_act); 54594c3844d9SPaul Blakey 54604f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 54614f4edcc2SAriel Levkovich 54622741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 54632a9ab10aSChris Mi 54642198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 54652198b932SRoi Dayan 54662198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 54672198b932SRoi Dayan sizeof(struct tunnel_match_key), 54680a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 54692198b932SRoi Dayan 54700a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54710a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54720a7fcb78SPaul Blakey goto err_tun_mapping; 54730a7fcb78SPaul Blakey } 54740a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 54750a7fcb78SPaul Blakey 54763222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 54773222efd4SVlad Buslov * and bridge ingress push mark. 54783222efd4SVlad Buslov */ 54792198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 54803222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 54810a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 54820a7fcb78SPaul Blakey err = PTR_ERR(mapping); 54830a7fcb78SPaul Blakey goto err_enc_opts_mapping; 54840a7fcb78SPaul Blakey } 54850a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 54860a7fcb78SPaul Blakey 54878914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 54882b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 54892b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 54908914add2SVlad Buslov goto err_register_fib_notifier; 54912b6c3c1eSWei Yongjun } 54928914add2SVlad Buslov 54932b6c3c1eSWei Yongjun return 0; 54940a7fcb78SPaul Blakey 54958914add2SVlad Buslov err_register_fib_notifier: 54960a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 54970a7fcb78SPaul Blakey err_enc_opts_mapping: 54980a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 54990a7fcb78SPaul Blakey err_tun_mapping: 55000027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 55014f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5502aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 55030a7fcb78SPaul Blakey netdev_warn(priv->netdev, 55040a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5505f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 55060a7fcb78SPaul Blakey return err; 5507655dc3d2SOr Gerlitz } 5508655dc3d2SOr Gerlitz 5509d1a3138fSPaul Blakey void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv) 5510655dc3d2SOr Gerlitz { 55118914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 55128914add2SVlad Buslov 55130a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 55140a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 55154c3844d9SPaul Blakey 55160027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 55174f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5518aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 551974e6b2a8SJianbo Liu mlx5e_flow_meters_cleanup(uplink_priv->flow_meters); 5520f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5521655dc3d2SOr Gerlitz } 552201252a27SOr Gerlitz 5523226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 552401252a27SOr Gerlitz { 5525d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 552601252a27SOr Gerlitz 552701252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 552801252a27SOr Gerlitz } 552904de7ddaSRoi Dayan 553004de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 553104de7ddaSRoi Dayan { 553204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 553304de7ddaSRoi Dayan 553404de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 553504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 553604de7ddaSRoi Dayan } 5537b4a23329SRoi Dayan 5538b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5539b4a23329SRoi Dayan { 5540b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5541b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5542b4a23329SRoi Dayan reoffload_flows_work); 5543b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5544b4a23329SRoi Dayan 5545ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5546b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5547b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5548ad86755bSVlad Buslov unready_flow_del(flow); 5549b4a23329SRoi Dayan } 5550ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5551b4a23329SRoi Dayan } 5552e2394a61SVlad Buslov 5553e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5554e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5555e2394a61SVlad Buslov unsigned long flags) 5556e2394a61SVlad Buslov { 5557e2394a61SVlad Buslov switch (cls_flower->command) { 5558e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5559e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5560e2394a61SVlad Buslov flags); 5561e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5562e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5563e2394a61SVlad Buslov flags); 5564e2394a61SVlad Buslov case FLOW_CLS_STATS: 5565e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5566e2394a61SVlad Buslov flags); 5567e2394a61SVlad Buslov default: 5568e2394a61SVlad Buslov return -EOPNOTSUPP; 5569e2394a61SVlad Buslov } 5570e2394a61SVlad Buslov } 5571e2394a61SVlad Buslov 5572e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5573e2394a61SVlad Buslov void *cb_priv) 5574e2394a61SVlad Buslov { 5575ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5576e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5577e2394a61SVlad Buslov 55782ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 55792ff349c5SRoi Dayan return -EOPNOTSUPP; 55802ff349c5SRoi Dayan 5581ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5582ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5583ec9457a6SRoi Dayan else 5584ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5585ec9457a6SRoi Dayan 5586e2394a61SVlad Buslov switch (type) { 5587e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5588e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5589e2394a61SVlad Buslov default: 5590e2394a61SVlad Buslov return -EOPNOTSUPP; 5591e2394a61SVlad Buslov } 5592e2394a61SVlad Buslov } 5593c7569097SAriel Levkovich 5594c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5595c7569097SAriel Levkovich struct sk_buff *skb) 5596c7569097SAriel Levkovich { 5597c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5598aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5599c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5600a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5601c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5602f52f2faeSLama Kayal struct mlx5e_tc_table *tc; 5603c7569097SAriel Levkovich int err; 5604c7569097SAriel Levkovich 5605c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5606f52f2faeSLama Kayal tc = mlx5e_fs_get_tc(priv->fs); 5607c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5608c7569097SAriel Levkovich 5609c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5610c7569097SAriel Levkovich if (err) { 5611c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5612c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5613c7569097SAriel Levkovich chain_tag, err); 5614c7569097SAriel Levkovich return false; 5615c7569097SAriel Levkovich } 5616c7569097SAriel Levkovich 5617a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5618a91d98a0SChris Mi chain = mapped_obj.chain; 56199453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5620c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5621c7569097SAriel Levkovich return false; 5622c7569097SAriel Levkovich 5623c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5624aedd133dSAriel Levkovich 562517c5da03SJianbo Liu zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 562648d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5627aedd133dSAriel Levkovich 5628aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5629aedd133dSAriel Levkovich zone_restore_id)) 5630aedd133dSAriel Levkovich return false; 5631a91d98a0SChris Mi } else { 5632a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5633a91d98a0SChris Mi return false; 5634c7569097SAriel Levkovich } 5635c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5636c7569097SAriel Levkovich 5637c7569097SAriel Levkovich return true; 5638c7569097SAriel Levkovich } 5639