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> 37e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3812185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 39e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 40e8f887acSAmir Vadai #include <linux/mlx5/device.h> 41e8f887acSAmir Vadai #include <linux/rhashtable.h> 425a7e5bcbSVlad Buslov #include <linux/refcount.h> 43db76ca24SVlad Buslov #include <linux/completion.h> 4403a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 45776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 46bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 47d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4826c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4914e6b038SEli Cohen #include <net/tc_act/tc_mpls.h> 50f6dfb4c3SHadar Hen Zion #include <net/arp.h> 513616d08bSDavid Ahern #include <net/ipv6_stubs.h> 52f828ca6aSEli Cohen #include <net/bareudp.h> 53d34eb2fcSOr Gerlitz #include <net/bonding.h> 54e8f887acSAmir Vadai #include "en.h" 551d447a39SSaeed Mahameed #include "en_rep.h" 56768c3667SVlad Buslov #include "en/rep/tc.h" 57e2394a61SVlad Buslov #include "en/rep/neigh.h" 58232c0013SHadar Hen Zion #include "en_tc.h" 5903a9d11eSOr Gerlitz #include "eswitch.h" 603f6d08d1SOr Gerlitz #include "fs_core.h" 612c81bfd5SHuy Nguyen #include "en/port.h" 62101f4de9SOz Shlomo #include "en/tc_tun.h" 630a7fcb78SPaul Blakey #include "en/mapping.h" 644c3844d9SPaul Blakey #include "en/tc_ct.h" 65b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 6604de7ddaSRoi Dayan #include "lib/devcom.h" 679272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 68ae430332SAriel Levkovich #include "lib/fs_chains.h" 697a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 701fe3e316SParav Pandit #include <asm/div64.h> 71e8f887acSAmir Vadai 726a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 73d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 74226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7560bd4af8SOr Gerlitz 7665ba8fb7SOr Gerlitz enum { 77226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 78226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 8084179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 82226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 86226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 87226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 88c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 894c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 9014e6b038SEli Cohen MLX5E_TC_FLOW_FLAG_L3_TO_L2_DECAP = MLX5E_TC_FLOW_BASE + 8, 9165ba8fb7SOr Gerlitz }; 9265ba8fb7SOr Gerlitz 93e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 94e4ad91f2SChris Mi 9579baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 9679baaec7SEli Britstein * Containing struct 9779baaec7SEli Britstein * |- Helper array 9879baaec7SEli Britstein * [0] Helper item 0 9979baaec7SEli Britstein * |- list_head item 0 10079baaec7SEli Britstein * |- index (0) 10179baaec7SEli Britstein * [1] Helper item 1 10279baaec7SEli Britstein * |- list_head item 1 10379baaec7SEli Britstein * |- index (1) 10479baaec7SEli Britstein * To access the containing struct from one of the list_head items: 10579baaec7SEli Britstein * 1. Get the helper item from the list_head item using 10679baaec7SEli Britstein * helper item = 10779baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10879baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10979baaec7SEli Britstein * containing struct = 11079baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 11179baaec7SEli Britstein */ 11279baaec7SEli Britstein struct encap_flow_item { 113948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 11479baaec7SEli Britstein struct list_head list; 11579baaec7SEli Britstein int index; 11679baaec7SEli Britstein }; 11779baaec7SEli Britstein 118e8f887acSAmir Vadai struct mlx5e_tc_flow { 119e8f887acSAmir Vadai struct rhash_head node; 120655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 121e8f887acSAmir Vadai u64 cookie; 122226f2ca3SVlad Buslov unsigned long flags; 123e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 12414e6b038SEli Cohen 12514e6b038SEli Cohen /* flows sharing the same reformat object - currently mpls decap */ 12614e6b038SEli Cohen struct list_head l3_to_l2_reformat; 12714e6b038SEli Cohen struct mlx5e_decap_entry *decap_reformat; 12814e6b038SEli Cohen 12979baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 13079baaec7SEli Britstein * The number of encaps is bounded by the number of supported 13179baaec7SEli Britstein * destinations. 13279baaec7SEli Britstein */ 13379baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 13404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 135b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; /* attached mod header instance */ 136e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1375c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 13804de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 139b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 140553f9328SVu Pham struct net_device *orig_dev; /* netdev adding flow first */ 1412a1f1768SVlad Buslov int tmp_efi_index; 1426a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1435a7e5bcbSVlad Buslov refcount_t refcnt; 144c5d326b2SVlad Buslov struct rcu_head rcu_head; 14595435ad7SVlad Buslov struct completion init_done; 1460a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 147c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 148e8f887acSAmir Vadai }; 149e8f887acSAmir Vadai 15017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1511f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 152d11afc26SOz Shlomo struct net_device *filter_dev; 15317091853SOr Gerlitz struct mlx5_flow_spec spec; 1546ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 15598b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 15614e6b038SEli Cohen struct ethhdr eth; 15717091853SOr Gerlitz }; 15817091853SOr Gerlitz 159acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 1606a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 161e8f887acSAmir Vadai 1628f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1638f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1648f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1658f1e0b97SPaul Blakey .moffset = 0, 1668f1e0b97SPaul Blakey .mlen = 2, 1678f1e0b97SPaul Blakey }, 16810742efcSVlad Buslov [VPORT_TO_REG] = { 16910742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 17010742efcSVlad Buslov .moffset = 2, 17110742efcSVlad Buslov .mlen = 2, 17210742efcSVlad Buslov }, 1730a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1740a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 175d12f4521SPaul Blakey .moffset = 1, 176*48d216e5SVlad Buslov .mlen = ((ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS) / 8), 1770a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1780a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1790a7fcb78SPaul Blakey }, 1804c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 181a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1824c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1834c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1844c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1854c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 186c7569097SAriel Levkovich /* For NIC rules we store the retore metadata directly 187c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 188c7569097SAriel Levkovich * jump between steering domains. 189c7569097SAriel Levkovich */ 190c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 191c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 192c7569097SAriel Levkovich .moffset = 0, 193c7569097SAriel Levkovich .mlen = 2, 194c7569097SAriel Levkovich }, 195aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1968f1e0b97SPaul Blakey }; 1978f1e0b97SPaul Blakey 1989ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1999ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 2009ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 2019ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 2029ba33339SRoi Dayan * it's different than the ht->mutex here. 2039ba33339SRoi Dayan */ 2049ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 2059ba33339SRoi Dayan 2060a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 2070a7fcb78SPaul Blakey 2080a7fcb78SPaul Blakey void 2090a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 2100a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2110a7fcb78SPaul Blakey u32 data, 2120a7fcb78SPaul Blakey u32 mask) 2130a7fcb78SPaul Blakey { 2140a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2150a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2160a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2170a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2180a7fcb78SPaul Blakey void *fmask, *fval; 2190a7fcb78SPaul Blakey 2200a7fcb78SPaul Blakey fmask = headers_c + soffset; 2210a7fcb78SPaul Blakey fval = headers_v + soffset; 2220a7fcb78SPaul Blakey 22358ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 22458ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 2250a7fcb78SPaul Blakey 2260a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2270a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2280a7fcb78SPaul Blakey 2290a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2300a7fcb78SPaul Blakey } 2310a7fcb78SPaul Blakey 2327e36feebSPaul Blakey void 2337e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2347e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 2357e36feebSPaul Blakey u32 *data, 2367e36feebSPaul Blakey u32 *mask) 2377e36feebSPaul Blakey { 2387e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2397e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2407e36feebSPaul Blakey void *headers_c = spec->match_criteria; 2417e36feebSPaul Blakey void *headers_v = spec->match_value; 2427e36feebSPaul Blakey void *fmask, *fval; 2437e36feebSPaul Blakey 2447e36feebSPaul Blakey fmask = headers_c + soffset; 2457e36feebSPaul Blakey fval = headers_v + soffset; 2467e36feebSPaul Blakey 2477e36feebSPaul Blakey memcpy(mask, fmask, match_len); 2487e36feebSPaul Blakey memcpy(data, fval, match_len); 2497e36feebSPaul Blakey 2507e36feebSPaul Blakey *mask = be32_to_cpu((__force __be32)(*mask << (32 - (match_len * 8)))); 2517e36feebSPaul Blakey *data = be32_to_cpu((__force __be32)(*data << (32 - (match_len * 8)))); 2527e36feebSPaul Blakey } 2537e36feebSPaul Blakey 2540a7fcb78SPaul Blakey int 2550a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2560a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 257aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2580a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2590a7fcb78SPaul Blakey u32 data) 2600a7fcb78SPaul Blakey { 2610a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2620a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2630a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2640a7fcb78SPaul Blakey char *modact; 2650a7fcb78SPaul Blakey int err; 2660a7fcb78SPaul Blakey 267aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 2680a7fcb78SPaul Blakey if (err) 2690a7fcb78SPaul Blakey return err; 2700a7fcb78SPaul Blakey 2710a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2720a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2730a7fcb78SPaul Blakey 2740a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2750a7fcb78SPaul Blakey if (mlen == 4) 2760a7fcb78SPaul Blakey mlen = 0; 2770a7fcb78SPaul Blakey 2780a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2790a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2800a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2810a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2820a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2830a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2840a7fcb78SPaul Blakey 2850a7fcb78SPaul Blakey return 0; 2860a7fcb78SPaul Blakey } 2870a7fcb78SPaul Blakey 288aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 289aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 290aedd133dSAriel Levkovich { 291aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 292aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 293aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 294aedd133dSAriel Levkovich 295e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 296aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 297aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 298aedd133dSAriel Levkovich 299aedd133dSAriel Levkovich return uplink_priv->ct_priv; 300aedd133dSAriel Levkovich } 301aedd133dSAriel Levkovich 302aedd133dSAriel Levkovich return priv->fs.tc.ct; 303aedd133dSAriel Levkovich } 304aedd133dSAriel Levkovich 305aedd133dSAriel Levkovich struct mlx5_flow_handle * 306aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 307aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 308aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 309aedd133dSAriel Levkovich { 310aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 311aedd133dSAriel Levkovich 312e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 313aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 314aedd133dSAriel Levkovich 315aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 316aedd133dSAriel Levkovich } 317aedd133dSAriel Levkovich 318aedd133dSAriel Levkovich void 319aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 320aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 321aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 322aedd133dSAriel Levkovich { 323aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 324aedd133dSAriel Levkovich 325e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 326aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 327aedd133dSAriel Levkovich 328aedd133dSAriel Levkovich return; 329aedd133dSAriel Levkovich } 330aedd133dSAriel Levkovich 331aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 332aedd133dSAriel Levkovich } 333aedd133dSAriel Levkovich 33477ab67b7SOr Gerlitz struct mlx5e_hairpin { 33577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 33677ab67b7SOr Gerlitz 33777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3383f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 33977ab67b7SOr Gerlitz u32 tdn; 34077ab67b7SOr Gerlitz u32 tirn; 3413f6d08d1SOr Gerlitz 3423f6d08d1SOr Gerlitz int num_channels; 3433f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 3443f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 3453f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 34677ab67b7SOr Gerlitz }; 34777ab67b7SOr Gerlitz 3485c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3495c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3505c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3515c65c564SOr Gerlitz 35273edca73SVlad Buslov /* protects flows list */ 35373edca73SVlad Buslov spinlock_t flows_lock; 3545c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3555c65c564SOr Gerlitz struct list_head flows; 356db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 357db76ca24SVlad Buslov * function traversed them. 358db76ca24SVlad Buslov */ 359db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3605c65c564SOr Gerlitz 361d8822868SOr Gerlitz u16 peer_vhca_id; 362106be53bSOr Gerlitz u8 prio; 3635c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 364e4f9abbdSVlad Buslov refcount_t refcnt; 365db76ca24SVlad Buslov struct completion res_ready; 3665c65c564SOr Gerlitz }; 3675c65c564SOr Gerlitz 3685a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3695a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3705a7e5bcbSVlad Buslov 3715a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3725a7e5bcbSVlad Buslov { 3735a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3745a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3755a7e5bcbSVlad Buslov return flow; 3765a7e5bcbSVlad Buslov } 3775a7e5bcbSVlad Buslov 3785a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3795a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3805a7e5bcbSVlad Buslov { 3815a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3825a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 383c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3845a7e5bcbSVlad Buslov } 3855a7e5bcbSVlad Buslov } 3865a7e5bcbSVlad Buslov 387226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 388226f2ca3SVlad Buslov { 389226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 390226f2ca3SVlad Buslov smp_mb__before_atomic(); 391226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 392226f2ca3SVlad Buslov } 393226f2ca3SVlad Buslov 394226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 395226f2ca3SVlad Buslov 396c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 397c5d326b2SVlad Buslov unsigned long flag) 398c5d326b2SVlad Buslov { 399c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 400c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 401c5d326b2SVlad Buslov } 402c5d326b2SVlad Buslov 403c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 404c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 405c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 406c5d326b2SVlad Buslov 407226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 408226f2ca3SVlad Buslov { 409226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 410226f2ca3SVlad Buslov smp_mb__before_atomic(); 411226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 412226f2ca3SVlad Buslov } 413226f2ca3SVlad Buslov 414226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 415226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 416226f2ca3SVlad Buslov 417226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 418226f2ca3SVlad Buslov { 419226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 420226f2ca3SVlad Buslov 421226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 422226f2ca3SVlad Buslov smp_mb__after_atomic(); 423226f2ca3SVlad Buslov return ret; 424226f2ca3SVlad Buslov } 425226f2ca3SVlad Buslov 426226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 427226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 428226f2ca3SVlad Buslov 429aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 430226f2ca3SVlad Buslov { 431226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 432226f2ca3SVlad Buslov } 433226f2ca3SVlad Buslov 43484179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 43584179981SPaul Blakey { 43684179981SPaul Blakey return flow_flag_test(flow, FT); 43784179981SPaul Blakey } 43884179981SPaul Blakey 439226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 440226f2ca3SVlad Buslov { 441226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 442226f2ca3SVlad Buslov } 443226f2ca3SVlad Buslov 444d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 445d2faae25SVlad Buslov { 446d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 447d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 448d2faae25SVlad Buslov } 449b2fdf3d0SPaul Blakey 450b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 451b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 452b2fdf3d0SPaul Blakey { 453b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 454b2fdf3d0SPaul Blakey 455b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 456b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 457b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 458b2fdf3d0SPaul Blakey } 459b2fdf3d0SPaul Blakey 46011c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 46111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 46211c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 46311c9c548SOr Gerlitz { 464b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 465b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 46611c9c548SOr Gerlitz 467b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 468b2fdf3d0SPaul Blakey get_flow_name_space(flow), 469b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 470b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 471b2fdf3d0SPaul Blakey return PTR_ERR(mh); 47211c9c548SOr Gerlitz 473b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 474c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 475b2fdf3d0SPaul Blakey flow->mh = mh; 47611c9c548SOr Gerlitz 47711c9c548SOr Gerlitz return 0; 47811c9c548SOr Gerlitz } 47911c9c548SOr Gerlitz 48011c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 48111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 48211c9c548SOr Gerlitz { 4835a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 484dd58edc3SVlad Buslov if (!flow->mh) 4855a7e5bcbSVlad Buslov return; 4865a7e5bcbSVlad Buslov 487b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 488b2fdf3d0SPaul Blakey flow->mh); 489dd58edc3SVlad Buslov flow->mh = NULL; 49011c9c548SOr Gerlitz } 49111c9c548SOr Gerlitz 49277ab67b7SOr Gerlitz static 49377ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 49477ab67b7SOr Gerlitz { 49577ab67b7SOr Gerlitz struct net_device *netdev; 49677ab67b7SOr Gerlitz struct mlx5e_priv *priv; 49777ab67b7SOr Gerlitz 49877ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 49977ab67b7SOr Gerlitz priv = netdev_priv(netdev); 50077ab67b7SOr Gerlitz return priv->mdev; 50177ab67b7SOr Gerlitz } 50277ab67b7SOr Gerlitz 50377ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 50477ab67b7SOr Gerlitz { 505e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 50677ab67b7SOr Gerlitz void *tirc; 50777ab67b7SOr Gerlitz int err; 50877ab67b7SOr Gerlitz 50977ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 51077ab67b7SOr Gerlitz if (err) 51177ab67b7SOr Gerlitz goto alloc_tdn_err; 51277ab67b7SOr Gerlitz 51377ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 51477ab67b7SOr Gerlitz 51577ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 516ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 51777ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 51877ab67b7SOr Gerlitz 519e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 52077ab67b7SOr Gerlitz if (err) 52177ab67b7SOr Gerlitz goto create_tir_err; 52277ab67b7SOr Gerlitz 52377ab67b7SOr Gerlitz return 0; 52477ab67b7SOr Gerlitz 52577ab67b7SOr Gerlitz create_tir_err: 52677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 52777ab67b7SOr Gerlitz alloc_tdn_err: 52877ab67b7SOr Gerlitz return err; 52977ab67b7SOr Gerlitz } 53077ab67b7SOr Gerlitz 53177ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 53277ab67b7SOr Gerlitz { 53377ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 53477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 53577ab67b7SOr Gerlitz } 53677ab67b7SOr Gerlitz 5373f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5383f6d08d1SOr Gerlitz { 5393f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5403f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5413f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5423f6d08d1SOr Gerlitz 5433f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5443f6d08d1SOr Gerlitz hp->num_channels); 5453f6d08d1SOr Gerlitz 5463f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5473f6d08d1SOr Gerlitz ix = i; 548bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5493f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5503f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5513f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5523f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5533f6d08d1SOr Gerlitz } 5543f6d08d1SOr Gerlitz } 5553f6d08d1SOr Gerlitz 5563f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5573f6d08d1SOr Gerlitz { 5583f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5593f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5603f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5613f6d08d1SOr Gerlitz void *rqtc; 5623f6d08d1SOr Gerlitz u32 *in; 5633f6d08d1SOr Gerlitz 5643f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5653f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5663f6d08d1SOr Gerlitz if (!in) 5673f6d08d1SOr Gerlitz return -ENOMEM; 5683f6d08d1SOr Gerlitz 5693f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5703f6d08d1SOr Gerlitz 5713f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5723f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5733f6d08d1SOr Gerlitz 5743f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5753f6d08d1SOr Gerlitz 5763f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5773f6d08d1SOr Gerlitz if (!err) 5783f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5793f6d08d1SOr Gerlitz 5803f6d08d1SOr Gerlitz kvfree(in); 5813f6d08d1SOr Gerlitz return err; 5823f6d08d1SOr Gerlitz } 5833f6d08d1SOr Gerlitz 5843f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5853f6d08d1SOr Gerlitz { 5863f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5873f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5883f6d08d1SOr Gerlitz int tt, i, err; 5893f6d08d1SOr Gerlitz void *tirc; 5903f6d08d1SOr Gerlitz 5913f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 592d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 593d930ac79SAya Levin 5943f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5953f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5963f6d08d1SOr Gerlitz 5973f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5983f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5993f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 600bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 601bbeb53b8SAya Levin 6023f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 603e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 6043f6d08d1SOr Gerlitz if (err) { 6053f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6063f6d08d1SOr Gerlitz goto err_destroy_tirs; 6073f6d08d1SOr Gerlitz } 6083f6d08d1SOr Gerlitz } 6093f6d08d1SOr Gerlitz return 0; 6103f6d08d1SOr Gerlitz 6113f6d08d1SOr Gerlitz err_destroy_tirs: 6123f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6133f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6143f6d08d1SOr Gerlitz return err; 6153f6d08d1SOr Gerlitz } 6163f6d08d1SOr Gerlitz 6173f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6183f6d08d1SOr Gerlitz { 6193f6d08d1SOr Gerlitz int tt; 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6223f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6233f6d08d1SOr Gerlitz } 6243f6d08d1SOr Gerlitz 6253f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6263f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6273f6d08d1SOr Gerlitz { 6283f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6293f6d08d1SOr Gerlitz int tt; 6303f6d08d1SOr Gerlitz 6313f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6323f6d08d1SOr Gerlitz 6333f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 6343f6d08d1SOr Gerlitz 6353f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6363f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6373f6d08d1SOr Gerlitz 6386412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6393f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6403f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6413f6d08d1SOr Gerlitz } 6423f6d08d1SOr Gerlitz 6433f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6443f6d08d1SOr Gerlitz { 6453f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6463f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6473f6d08d1SOr Gerlitz int err; 6483f6d08d1SOr Gerlitz 6493f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6503f6d08d1SOr Gerlitz if (err) 6513f6d08d1SOr Gerlitz return err; 6523f6d08d1SOr Gerlitz 6533f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6543f6d08d1SOr Gerlitz if (err) 6553f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6563f6d08d1SOr Gerlitz 6573f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6583f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6593f6d08d1SOr Gerlitz if (err) 6603f6d08d1SOr Gerlitz goto err_create_ttc_table; 6613f6d08d1SOr Gerlitz 6623f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6633f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6643f6d08d1SOr Gerlitz 6653f6d08d1SOr Gerlitz return 0; 6663f6d08d1SOr Gerlitz 6673f6d08d1SOr Gerlitz err_create_ttc_table: 6683f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6693f6d08d1SOr Gerlitz err_create_indirect_tirs: 6703f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6713f6d08d1SOr Gerlitz 6723f6d08d1SOr Gerlitz return err; 6733f6d08d1SOr Gerlitz } 6743f6d08d1SOr Gerlitz 6753f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6763f6d08d1SOr Gerlitz { 6773f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6783f6d08d1SOr Gerlitz 6793f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6803f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6813f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6823f6d08d1SOr Gerlitz } 6833f6d08d1SOr Gerlitz 68477ab67b7SOr Gerlitz static struct mlx5e_hairpin * 68577ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 68677ab67b7SOr Gerlitz int peer_ifindex) 68777ab67b7SOr Gerlitz { 68877ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 68977ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 69077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 69177ab67b7SOr Gerlitz int err; 69277ab67b7SOr Gerlitz 69377ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 69477ab67b7SOr Gerlitz if (!hp) 69577ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 69677ab67b7SOr Gerlitz 69777ab67b7SOr Gerlitz func_mdev = priv->mdev; 69877ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 69977ab67b7SOr Gerlitz 70077ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 70177ab67b7SOr Gerlitz if (IS_ERR(pair)) { 70277ab67b7SOr Gerlitz err = PTR_ERR(pair); 70377ab67b7SOr Gerlitz goto create_pair_err; 70477ab67b7SOr Gerlitz } 70577ab67b7SOr Gerlitz hp->pair = pair; 70677ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7073f6d08d1SOr Gerlitz hp->func_priv = priv; 7083f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 70977ab67b7SOr Gerlitz 71077ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 71177ab67b7SOr Gerlitz if (err) 71277ab67b7SOr Gerlitz goto create_transport_err; 71377ab67b7SOr Gerlitz 7143f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7153f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7163f6d08d1SOr Gerlitz if (err) 7173f6d08d1SOr Gerlitz goto rss_init_err; 7183f6d08d1SOr Gerlitz } 7193f6d08d1SOr Gerlitz 72077ab67b7SOr Gerlitz return hp; 72177ab67b7SOr Gerlitz 7223f6d08d1SOr Gerlitz rss_init_err: 7233f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 72477ab67b7SOr Gerlitz create_transport_err: 72577ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 72677ab67b7SOr Gerlitz create_pair_err: 72777ab67b7SOr Gerlitz kfree(hp); 72877ab67b7SOr Gerlitz return ERR_PTR(err); 72977ab67b7SOr Gerlitz } 73077ab67b7SOr Gerlitz 73177ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 73277ab67b7SOr Gerlitz { 7333f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7343f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 73577ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 73677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 73777ab67b7SOr Gerlitz kvfree(hp); 73877ab67b7SOr Gerlitz } 73977ab67b7SOr Gerlitz 740106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 741106be53bSOr Gerlitz { 742106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 743106be53bSOr Gerlitz } 744106be53bSOr Gerlitz 7455c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 746106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7475c65c564SOr Gerlitz { 7485c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 749106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7505c65c564SOr Gerlitz 7515c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 752106be53bSOr Gerlitz hairpin_hlist, hash_key) { 753e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 754e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7555c65c564SOr Gerlitz return hpe; 7565c65c564SOr Gerlitz } 757e4f9abbdSVlad Buslov } 7585c65c564SOr Gerlitz 7595c65c564SOr Gerlitz return NULL; 7605c65c564SOr Gerlitz } 7615c65c564SOr Gerlitz 762e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 763e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 764e4f9abbdSVlad Buslov { 765e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 766b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 767e4f9abbdSVlad Buslov return; 768b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 769b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 770e4f9abbdSVlad Buslov 771db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 772e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 773e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 774e4f9abbdSVlad Buslov 775e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 776db76ca24SVlad Buslov } 777db76ca24SVlad Buslov 778db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 779e4f9abbdSVlad Buslov kfree(hpe); 780e4f9abbdSVlad Buslov } 781e4f9abbdSVlad Buslov 782106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 783106be53bSOr Gerlitz 784106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 785e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 786e98bedf5SEli Britstein struct netlink_ext_ack *extack) 787106be53bSOr Gerlitz { 788106be53bSOr Gerlitz void *headers_c, *headers_v; 789106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 790106be53bSOr Gerlitz bool vlan_present; 791106be53bSOr Gerlitz 792106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 793106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 794e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 795e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 796106be53bSOr Gerlitz return -EOPNOTSUPP; 797106be53bSOr Gerlitz } 798106be53bSOr Gerlitz #endif 799106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 800106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 801106be53bSOr Gerlitz 802106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 803106be53bSOr Gerlitz if (vlan_present) { 804106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 805106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 806106be53bSOr Gerlitz } 807106be53bSOr Gerlitz 808106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 809106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 810106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 811e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 812e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 813106be53bSOr Gerlitz return -EOPNOTSUPP; 814106be53bSOr Gerlitz } 815106be53bSOr Gerlitz 816106be53bSOr Gerlitz *match_prio = prio_val; 817106be53bSOr Gerlitz return 0; 818106be53bSOr Gerlitz } 819106be53bSOr Gerlitz 8205c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8215c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 822e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 823e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8245c65c564SOr Gerlitz { 82598b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8265c65c564SOr Gerlitz struct mlx5_hairpin_params params; 827d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8285c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8295c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8303f6d08d1SOr Gerlitz u64 link_speed64; 8313f6d08d1SOr Gerlitz u32 link_speed; 832106be53bSOr Gerlitz u8 match_prio; 833d8822868SOr Gerlitz u16 peer_id; 8345c65c564SOr Gerlitz int err; 8355c65c564SOr Gerlitz 836d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 837d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 838e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8395c65c564SOr Gerlitz return -EOPNOTSUPP; 8405c65c564SOr Gerlitz } 8415c65c564SOr Gerlitz 842d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 843e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 844e98bedf5SEli Britstein extack); 845106be53bSOr Gerlitz if (err) 846106be53bSOr Gerlitz return err; 847b32accdaSVlad Buslov 848b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 849106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 850db76ca24SVlad Buslov if (hpe) { 851db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 852db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 853db76ca24SVlad Buslov 854db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 855db76ca24SVlad Buslov err = -EREMOTEIO; 856db76ca24SVlad Buslov goto out_err; 857db76ca24SVlad Buslov } 8585c65c564SOr Gerlitz goto attach_flow; 859db76ca24SVlad Buslov } 8605c65c564SOr Gerlitz 8615c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 862b32accdaSVlad Buslov if (!hpe) { 863db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 864db76ca24SVlad Buslov return -ENOMEM; 865b32accdaSVlad Buslov } 8665c65c564SOr Gerlitz 86773edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8685c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 869db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 870d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 871106be53bSOr Gerlitz hpe->prio = match_prio; 872e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 873db76ca24SVlad Buslov init_completion(&hpe->res_ready); 874db76ca24SVlad Buslov 875db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 876db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 877db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8785c65c564SOr Gerlitz 8795c65c564SOr Gerlitz params.log_data_size = 15; 8805c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8815c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8825c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8835c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8845c65c564SOr Gerlitz 885eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 886eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 887eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 888eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 889eb9180f7SOr Gerlitz 890eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8913f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8922c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8933f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8943f6d08d1SOr Gerlitz link_speed64 = link_speed; 8953f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8963f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8973f6d08d1SOr Gerlitz 8985c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 899db76ca24SVlad Buslov hpe->hp = hp; 900db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9015c65c564SOr Gerlitz if (IS_ERR(hp)) { 9025c65c564SOr Gerlitz err = PTR_ERR(hp); 903db76ca24SVlad Buslov goto out_err; 9045c65c564SOr Gerlitz } 9055c65c564SOr Gerlitz 906eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 90727b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 90827b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 909eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9105c65c564SOr Gerlitz 9115c65c564SOr Gerlitz attach_flow: 9123f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 913226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 914c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9153f6d08d1SOr Gerlitz } else { 916c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_tirn = hpe->hp->tirn; 9173f6d08d1SOr Gerlitz } 918b32accdaSVlad Buslov 919e4f9abbdSVlad Buslov flow->hpe = hpe; 92073edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9215c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 92273edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9233f6d08d1SOr Gerlitz 9245c65c564SOr Gerlitz return 0; 9255c65c564SOr Gerlitz 926db76ca24SVlad Buslov out_err: 927db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9285c65c564SOr Gerlitz return err; 9295c65c564SOr Gerlitz } 9305c65c564SOr Gerlitz 9315c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9325c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9335c65c564SOr Gerlitz { 9345a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 935e4f9abbdSVlad Buslov if (!flow->hpe) 9365a7e5bcbSVlad Buslov return; 9375a7e5bcbSVlad Buslov 93873edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9395c65c564SOr Gerlitz list_del(&flow->hairpin); 94073edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 94173edca73SVlad Buslov 942e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 943e4f9abbdSVlad Buslov flow->hpe = NULL; 9445c65c564SOr Gerlitz } 9455c65c564SOr Gerlitz 94608247066SAriel Levkovich struct mlx5_flow_handle * 94708247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 94808247066SAriel Levkovich struct mlx5_flow_spec *spec, 949c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 950e8f887acSAmir Vadai { 95108247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 952c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 953c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9546a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9555c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 95666958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9573bc4b7bfSOr Gerlitz .action = attr->action, 958bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 95966958ed9SHadar Hen Zion }; 96008247066SAriel Levkovich struct mlx5_flow_handle *rule; 961c7569097SAriel Levkovich struct mlx5_flow_table *ft; 96208247066SAriel Levkovich int dest_ix = 0; 963e8f887acSAmir Vadai 964bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 965c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 966bb0ee7dcSJianbo Liu 967aedd133dSAriel Levkovich if (attr->dest_ft) { 968aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 969aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 970aedd133dSAriel Levkovich dest_ix++; 971aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9723f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 973c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 97408247066SAriel Levkovich dest_ix++; 975c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9765c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 977c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9783f6d08d1SOr Gerlitz dest_ix++; 9793f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9805c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 981c7569097SAriel Levkovich if (attr->dest_chain) { 982c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 983c7569097SAriel Levkovich attr->dest_chain, 1, 984c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 985c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 986c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 987c7569097SAriel Levkovich } else { 9885c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 989c7569097SAriel Levkovich } 9905c65c564SOr Gerlitz dest_ix++; 9915c65c564SOr Gerlitz } 992aad7e08dSAmir Vadai 993c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 994c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 995c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 996c7569097SAriel Levkovich 99708247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9985c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 99908247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 10005c65c564SOr Gerlitz dest_ix++; 1001aad7e08dSAmir Vadai } 1002aad7e08dSAmir Vadai 100308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10042b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10052f4fe4caSOr Gerlitz 10066a064674SAriel Levkovich mutex_lock(&tc->t_lock); 10076a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 10086a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 10096a064674SAriel Levkovich tc->t = 1010c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 101121b9c144SOr Gerlitz 10126a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10136a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1014e8f887acSAmir Vadai netdev_err(priv->netdev, 1015e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1016c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1017c7569097SAriel Levkovich goto err_ft_get; 1018e8f887acSAmir Vadai } 1019e8f887acSAmir Vadai } 102008247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1021e8f887acSAmir Vadai 1022aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1023c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1024c7569097SAriel Levkovich attr->chain, attr->prio, 1025c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1026aedd133dSAriel Levkovich else 1027aedd133dSAriel Levkovich ft = attr->ft; 1028aedd133dSAriel Levkovich 1029c7569097SAriel Levkovich if (IS_ERR(ft)) { 1030c7569097SAriel Levkovich rule = ERR_CAST(ft); 1031c7569097SAriel Levkovich goto err_ft_get; 1032c7569097SAriel Levkovich } 1033c7569097SAriel Levkovich 1034c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 103508247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 103638aa51c1SOr Gerlitz 1037c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10385c65c564SOr Gerlitz &flow_act, dest, dest_ix); 103908247066SAriel Levkovich if (IS_ERR(rule)) 1040c7569097SAriel Levkovich goto err_rule; 104108247066SAriel Levkovich 104208247066SAriel Levkovich return rule; 1043c7569097SAriel Levkovich 1044c7569097SAriel Levkovich err_rule: 1045aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1046c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1047c7569097SAriel Levkovich attr->chain, attr->prio, 1048c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1049c7569097SAriel Levkovich err_ft_get: 1050c7569097SAriel Levkovich if (attr->dest_chain) 1051c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1052c7569097SAriel Levkovich attr->dest_chain, 1, 1053c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1054c7569097SAriel Levkovich 1055c7569097SAriel Levkovich return ERR_CAST(rule); 105608247066SAriel Levkovich } 105708247066SAriel Levkovich 105808247066SAriel Levkovich static int 105908247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 106008247066SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 106108247066SAriel Levkovich struct mlx5e_tc_flow *flow, 106208247066SAriel Levkovich struct netlink_ext_ack *extack) 106308247066SAriel Levkovich { 1064c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 106508247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 106608247066SAriel Levkovich struct mlx5_fc *counter = NULL; 106708247066SAriel Levkovich int err; 106808247066SAriel Levkovich 106908247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 107008247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 107108247066SAriel Levkovich if (err) 107208247066SAriel Levkovich return err; 107308247066SAriel Levkovich } 107408247066SAriel Levkovich 107508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 107608247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 107708247066SAriel Levkovich if (IS_ERR(counter)) 107808247066SAriel Levkovich return PTR_ERR(counter); 107908247066SAriel Levkovich 108008247066SAriel Levkovich attr->counter = counter; 108108247066SAriel Levkovich } 108208247066SAriel Levkovich 108308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 108408247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 108508247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 108608247066SAriel Levkovich if (err) 108708247066SAriel Levkovich return err; 108808247066SAriel Levkovich } 108908247066SAriel Levkovich 1090aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1091aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1092aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1093aedd133dSAriel Levkovich else 109408247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 109508247066SAriel Levkovich attr); 1096e8f887acSAmir Vadai 1097a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1098e8f887acSAmir Vadai } 1099e8f887acSAmir Vadai 110008247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1101c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1102c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 110308247066SAriel Levkovich { 1104c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1105c7569097SAriel Levkovich 110608247066SAriel Levkovich mlx5_del_flow_rules(rule); 1107c7569097SAriel Levkovich 1108aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1109c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1110c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1111c7569097SAriel Levkovich 1112c7569097SAriel Levkovich if (attr->dest_chain) 1113c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1114c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 111508247066SAriel Levkovich } 111608247066SAriel Levkovich 1117d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1118d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1119d85cdccbSOr Gerlitz { 1120c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11216a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1122d85cdccbSOr Gerlitz 1123c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1124c7569097SAriel Levkovich 1125aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1126aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1127aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1128aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1129aedd133dSAriel Levkovich 1130c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1131c7569097SAriel Levkovich * extra steering hops. 1132c7569097SAriel Levkovich */ 1133b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11346a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11356a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11366a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1137d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1138d85cdccbSOr Gerlitz } 1139b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11402f4fe4caSOr Gerlitz 1141aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1142aedd133dSAriel Levkovich 1143513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11443099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11455c65c564SOr Gerlitz 1146aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1147aedd133dSAriel Levkovich 1148226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11495c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1150c620b772SAriel Levkovich 1151c620b772SAriel Levkovich kfree(flow->attr); 1152d85cdccbSOr Gerlitz } 1153d85cdccbSOr Gerlitz 1154aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11558c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1156aa0cbbaeSOr Gerlitz 11573c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1158e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1159733d4f36SRoi Dayan struct net_device *mirred_dev, 1160733d4f36SRoi Dayan int out_index, 11618c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11620ad060eeSRoi Dayan struct net_device **encap_dev, 11630ad060eeSRoi Dayan bool *encap_valid); 116414e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 116514e6b038SEli Cohen struct mlx5e_tc_flow *flow, 116614e6b038SEli Cohen struct netlink_ext_ack *extack); 116714e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 116814e6b038SEli Cohen struct mlx5e_tc_flow *flow); 11693c37745eSOr Gerlitz 11706d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11716d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11726d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11736d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1174c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11756d2a3ed0SOr Gerlitz { 11761ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11776d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11784c3844d9SPaul Blakey 117989e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 118089e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 118189e39467SPaul Blakey 11821ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11831ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11841ef3018fSPaul Blakey 1185aedd133dSAriel Levkovich return mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1186aedd133dSAriel Levkovich flow, spec, attr, 11871ef3018fSPaul Blakey mod_hdr_acts); 11881ef3018fSPaul Blakey } 11896d2a3ed0SOr Gerlitz 11906d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11916d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11926d2a3ed0SOr Gerlitz return rule; 11936d2a3ed0SOr Gerlitz 1194c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11956d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11966d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11976d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11986d2a3ed0SOr Gerlitz return flow->rule[1]; 11996d2a3ed0SOr Gerlitz } 12006d2a3ed0SOr Gerlitz } 12016d2a3ed0SOr Gerlitz 12026d2a3ed0SOr Gerlitz return rule; 12036d2a3ed0SOr Gerlitz } 12046d2a3ed0SOr Gerlitz 12056d2a3ed0SOr Gerlitz static void 12066d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 12076d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1208c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 12096d2a3ed0SOr Gerlitz { 1210226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 12116d2a3ed0SOr Gerlitz 121289e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 121389e39467SPaul Blakey goto offload_rule_0; 121489e39467SPaul Blakey 12154c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1216aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 12174c3844d9SPaul Blakey return; 12184c3844d9SPaul Blakey } 12194c3844d9SPaul Blakey 1220c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12216d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12226d2a3ed0SOr Gerlitz 122389e39467SPaul Blakey offload_rule_0: 12246d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12256d2a3ed0SOr Gerlitz } 12266d2a3ed0SOr Gerlitz 12275dbe906fSPaul Blakey static struct mlx5_flow_handle * 12285dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12295dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1230178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12315dbe906fSPaul Blakey { 1232c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12335dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12345dbe906fSPaul Blakey 1235c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1236c620b772SAriel Levkovich if (!slow_attr) 1237c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12385dbe906fSPaul Blakey 1239c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1240c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1241c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1242c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1243c620b772SAriel Levkovich 1244c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12455dbe906fSPaul Blakey if (!IS_ERR(rule)) 1246226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12475dbe906fSPaul Blakey 1248c620b772SAriel Levkovich kfree(slow_attr); 1249c620b772SAriel Levkovich 12505dbe906fSPaul Blakey return rule; 12515dbe906fSPaul Blakey } 12525dbe906fSPaul Blakey 12535dbe906fSPaul Blakey static void 12545dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1255178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12565dbe906fSPaul Blakey { 1257c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1258178f69b4SEli Cohen 1259c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12605efbe617SAriel Levkovich if (!slow_attr) { 12615efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12625efbe617SAriel Levkovich return; 12635efbe617SAriel Levkovich } 1264c620b772SAriel Levkovich 1265c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1266c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1267c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1268c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1269c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1270226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1271c620b772SAriel Levkovich kfree(slow_attr); 12725dbe906fSPaul Blakey } 12735dbe906fSPaul Blakey 1274ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1275ad86755bSVlad Buslov * function. 1276ad86755bSVlad Buslov */ 1277ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1278ad86755bSVlad Buslov struct list_head *unready_flows) 1279ad86755bSVlad Buslov { 1280ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1281ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1282ad86755bSVlad Buslov } 1283ad86755bSVlad Buslov 1284ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1285ad86755bSVlad Buslov * function. 1286ad86755bSVlad Buslov */ 1287ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1288ad86755bSVlad Buslov { 1289ad86755bSVlad Buslov list_del(&flow->unready); 1290ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1291ad86755bSVlad Buslov } 1292ad86755bSVlad Buslov 1293b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1294b4a23329SRoi Dayan { 1295b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1296b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1297b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1298b4a23329SRoi Dayan 1299b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1300b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1301b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1302b4a23329SRoi Dayan 1303ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1304ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1305ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1306b4a23329SRoi Dayan } 1307b4a23329SRoi Dayan 1308b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1309b4a23329SRoi Dayan { 1310ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1311ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1312ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1313ad86755bSVlad Buslov 1314ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1315ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1316ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1317ad86755bSVlad Buslov 1318ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1319ad86755bSVlad Buslov unready_flow_del(flow); 1320ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1321b4a23329SRoi Dayan } 1322b4a23329SRoi Dayan 132310742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 132410742efcSVlad Buslov 1325a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 132610742efcSVlad Buslov { 132710742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 132810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 132910742efcSVlad Buslov 133010742efcSVlad Buslov out_priv = netdev_priv(out_dev); 133110742efcSVlad Buslov out_mdev = out_priv->mdev; 133210742efcSVlad Buslov route_priv = netdev_priv(route_dev); 133310742efcSVlad Buslov route_mdev = route_priv->mdev; 133410742efcSVlad Buslov 133510742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 133610742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 133710742efcSVlad Buslov return false; 133810742efcSVlad Buslov 133910742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 134010742efcSVlad Buslov } 134110742efcSVlad Buslov 1342a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 134310742efcSVlad Buslov { 134410742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 134510742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 134610742efcSVlad Buslov struct mlx5_eswitch *esw; 134710742efcSVlad Buslov u16 vhca_id; 134810742efcSVlad Buslov int err; 134910742efcSVlad Buslov 135010742efcSVlad Buslov out_priv = netdev_priv(out_dev); 135110742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 135210742efcSVlad Buslov route_priv = netdev_priv(route_dev); 135310742efcSVlad Buslov route_mdev = route_priv->mdev; 135410742efcSVlad Buslov 135510742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 135610742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 135710742efcSVlad Buslov return err; 135810742efcSVlad Buslov } 135910742efcSVlad Buslov 1360c83954abSRabie Loulou static int 136174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1362e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1363e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1364adb4c123SOr Gerlitz { 1365adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13663c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1367c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1368c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1369c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 1370b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 13713c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13723c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 13730ad060eeSRoi Dayan bool encap_valid = true; 137439ac237cSPaul Blakey u32 max_prio, max_chain; 13750ad060eeSRoi Dayan int err = 0; 1376f493f155SEli Britstein int out_index; 13778b32580dSOr Gerlitz 137884179981SPaul Blakey /* We check chain range only for tc flows. 137984179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 138084179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 138184179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 138284179981SPaul Blakey */ 1383ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 138484179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 138561644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 138661644c3dSRoi Dayan "Requested chain is out of supported range"); 13875a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1388bf07aa73SPaul Blakey } 1389bf07aa73SPaul Blakey 1390ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1391bf07aa73SPaul Blakey if (attr->prio > max_prio) { 139261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 139361644c3dSRoi Dayan "Requested priority is out of supported range"); 13945a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1395bf07aa73SPaul Blakey } 1396bf07aa73SPaul Blakey 139714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 139814e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 139914e6b038SEli Cohen if (err) 140014e6b038SEli Cohen return err; 140114e6b038SEli Cohen } 140214e6b038SEli Cohen 1403c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1404c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1405c620b772SAriel Levkovich 1406f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 14078c4dc42bSEli Britstein int mirred_ifindex; 14088c4dc42bSEli Britstein 1409c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1410f493f155SEli Britstein continue; 1411f493f155SEli Britstein 14127040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 14133c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 14148c4dc42bSEli Britstein mirred_ifindex); 1415733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14160ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 14170ad060eeSRoi Dayan if (err) 14185a7e5bcbSVlad Buslov return err; 14190ad060eeSRoi Dayan 14203c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 14213c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1422c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1423c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 14243c37745eSOr Gerlitz } 14253c37745eSOr Gerlitz 14268b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1427c83954abSRabie Loulou if (err) 14285a7e5bcbSVlad Buslov return err; 1429adb4c123SOr Gerlitz 1430d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1431d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 14321a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 14336ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1434c83954abSRabie Loulou if (err) 14355a7e5bcbSVlad Buslov return err; 1436d7e75a32SOr Gerlitz } 1437d7e75a32SOr Gerlitz 1438b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1439c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 14405a7e5bcbSVlad Buslov if (IS_ERR(counter)) 14415a7e5bcbSVlad Buslov return PTR_ERR(counter); 1442b8aee822SMark Bloch 1443b8aee822SMark Bloch attr->counter = counter; 1444b8aee822SMark Bloch } 1445b8aee822SMark Bloch 14460ad060eeSRoi Dayan /* we get here if one of the following takes place: 14470ad060eeSRoi Dayan * (1) there's no error 14480ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 14493c37745eSOr Gerlitz */ 1450bc1d75faSRoi Dayan if (!encap_valid) 1451178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1452bc1d75faSRoi Dayan else 14536d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 14545dbe906fSPaul Blakey 14555a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 14565a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1457226f2ca3SVlad Buslov else 1458226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1459c83954abSRabie Loulou 14605dbe906fSPaul Blakey return 0; 1461aa0cbbaeSOr Gerlitz } 1462d85cdccbSOr Gerlitz 14639272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 14649272e3dfSYevgeny Kliteynik { 1465c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 14669272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 14679272e3dfSYevgeny Kliteynik spec->match_value, 14689272e3dfSYevgeny Kliteynik misc_parameters_3); 14699272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 14709272e3dfSYevgeny Kliteynik headers_v, 14719272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 14729272e3dfSYevgeny Kliteynik 14739272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 14749272e3dfSYevgeny Kliteynik } 14759272e3dfSYevgeny Kliteynik 1476d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1477d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1478d85cdccbSOr Gerlitz { 1479d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1480c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1481f493f155SEli Britstein int out_index; 1482d85cdccbSOr Gerlitz 14830a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 14840a7fcb78SPaul Blakey 148512a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1486b4a23329SRoi Dayan remove_unready_flow(flow); 1487ef06c9eeSRoi Dayan 1488226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1489226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1490178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14915dbe906fSPaul Blakey else 14925dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14935dbe906fSPaul Blakey } 1494d85cdccbSOr Gerlitz 14959272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14969272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14979272e3dfSYevgeny Kliteynik 1498513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1499d85cdccbSOr Gerlitz 1500f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 1501c620b772SAriel Levkovich if (attr->esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 15028c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 15032a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 15042a4b6526SVlad Buslov } 1505f493f155SEli Britstein kvfree(attr->parse_attr); 1506a508728aSVlad Buslov kvfree(attr->esw_attr->rx_tun_attr); 1507d7e75a32SOr Gerlitz 1508aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 15094c8594adSRoi Dayan 1510513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 15111a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1512b8aee822SMark Bloch 1513b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1514c620b772SAriel Levkovich mlx5_fc_destroy(attr->esw_attr->counter_dev, attr->counter); 151514e6b038SEli Cohen 151614e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 151714e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1518c620b772SAriel Levkovich 1519c620b772SAriel Levkovich kfree(flow->attr); 1520d85cdccbSOr Gerlitz } 1521d85cdccbSOr Gerlitz 1522232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 15232a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 15242a1f1768SVlad Buslov struct list_head *flow_list) 1525232c0013SHadar Hen Zion { 15263c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1527178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 15286d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 1529c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 15306d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1531232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1532232c0013SHadar Hen Zion int err; 1533232c0013SHadar Hen Zion 15342b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 153554c177caSOz Shlomo e->reformat_type, 1536232c0013SHadar Hen Zion e->encap_size, e->encap_header, 15372b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 15382b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 15392b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 15402b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1541232c0013SHadar Hen Zion return; 1542232c0013SHadar Hen Zion } 1543232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1544f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1545232c0013SHadar Hen Zion 15462a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 15478c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 15488c4dc42bSEli Britstein int i; 15498c4dc42bSEli Britstein 155095435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 155195435ad7SVlad Buslov continue; 1552c620b772SAriel Levkovich attr = flow->attr; 1553c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1554c620b772SAriel Levkovich spec = &attr->parse_attr->spec; 15556d2a3ed0SOr Gerlitz 15562b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 15572a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 15588c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 15598c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 15608c4dc42bSEli Britstein * a valid neighbour. 15618c4dc42bSEli Britstein */ 15628c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 15638c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 15648c4dc42bSEli Britstein continue; 15658c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 15668c4dc42bSEli Britstein all_flow_encaps_valid = false; 15678c4dc42bSEli Britstein break; 15688c4dc42bSEli Britstein } 15698c4dc42bSEli Britstein } 15708c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 15718c4dc42bSEli Britstein if (!all_flow_encaps_valid) 15722a1f1768SVlad Buslov continue; 15735dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 1574c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, attr); 15756d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 15766d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1577232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1578232c0013SHadar Hen Zion err); 15792a1f1768SVlad Buslov continue; 1580232c0013SHadar Hen Zion } 15815dbe906fSPaul Blakey 1582178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15836d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1584226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1585226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1586232c0013SHadar Hen Zion } 1587232c0013SHadar Hen Zion } 1588232c0013SHadar Hen Zion 1589232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 15902a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 15912a1f1768SVlad Buslov struct list_head *flow_list) 1592232c0013SHadar Hen Zion { 15933c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1594c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 15955dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 1596c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 15975dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1598232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 15995dbe906fSPaul Blakey int err; 1600232c0013SHadar Hen Zion 16012a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 160295435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 160395435ad7SVlad Buslov continue; 1604c620b772SAriel Levkovich attr = flow->attr; 1605c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1606c620b772SAriel Levkovich spec = &attr->parse_attr->spec; 16075dbe906fSPaul Blakey 16085dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1609178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 16108c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 1611c620b772SAriel Levkovich esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 16125dbe906fSPaul Blakey 16135dbe906fSPaul Blakey if (IS_ERR(rule)) { 16145dbe906fSPaul Blakey err = PTR_ERR(rule); 16155dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 16165dbe906fSPaul Blakey err); 16172a1f1768SVlad Buslov continue; 16185dbe906fSPaul Blakey } 16195dbe906fSPaul Blakey 1620c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 16215dbe906fSPaul Blakey flow->rule[0] = rule; 1622226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1623226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1624232c0013SHadar Hen Zion } 1625232c0013SHadar Hen Zion 162661c806daSOr Gerlitz /* we know that the encap is valid */ 1627232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 16282b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1629232c0013SHadar Hen Zion } 1630232c0013SHadar Hen Zion 1631b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1632b8aee822SMark Bloch { 1633c620b772SAriel Levkovich return flow->attr->counter; 1634b8aee822SMark Bloch } 1635b8aee822SMark Bloch 16362a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 16372a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 16382a1f1768SVlad Buslov */ 16392a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 16402a1f1768SVlad Buslov { 16412a1f1768SVlad Buslov struct encap_flow_item *efi; 16422a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 16432a1f1768SVlad Buslov 16442a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 16452a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 16462a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16472a1f1768SVlad Buslov continue; 164895435ad7SVlad Buslov wait_for_completion(&flow->init_done); 16492a1f1768SVlad Buslov 16502a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 16512a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 16522a1f1768SVlad Buslov } 16532a1f1768SVlad Buslov } 16542a1f1768SVlad Buslov 16556a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 16562a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16576a06c2f7SVlad Buslov { 16586a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16596a06c2f7SVlad Buslov 16606a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16616a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16626a06c2f7SVlad Buslov } 16636a06c2f7SVlad Buslov 1664ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1665ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1666ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1667ac0d9176SVlad Buslov { 1668ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1669ac0d9176SVlad Buslov 1670ac0d9176SVlad Buslov retry: 1671ac0d9176SVlad Buslov rcu_read_lock(); 1672ac0d9176SVlad Buslov 1673ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1674ac0d9176SVlad Buslov for (next = e ? 1675ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1676ac0d9176SVlad Buslov &e->encap_list, 1677ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1678ac0d9176SVlad Buslov encap_list) : 1679ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1680ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1681ac0d9176SVlad Buslov encap_list); 1682ac0d9176SVlad Buslov next; 1683ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1684ac0d9176SVlad Buslov &next->encap_list, 1685ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1686ac0d9176SVlad Buslov encap_list)) 1687ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1688ac0d9176SVlad Buslov break; 1689ac0d9176SVlad Buslov 1690ac0d9176SVlad Buslov rcu_read_unlock(); 1691ac0d9176SVlad Buslov 1692ac0d9176SVlad Buslov /* release starting encap */ 1693ac0d9176SVlad Buslov if (e) 1694ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1695ac0d9176SVlad Buslov if (!next) 1696ac0d9176SVlad Buslov return next; 1697ac0d9176SVlad Buslov 1698ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1699ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1700ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1701ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1702ac0d9176SVlad Buslov e = next; 1703ac0d9176SVlad Buslov goto retry; 1704ac0d9176SVlad Buslov } 1705ac0d9176SVlad Buslov 1706ac0d9176SVlad Buslov return next; 1707ac0d9176SVlad Buslov } 1708ac0d9176SVlad Buslov 1709f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1710f6dfb4c3SHadar Hen Zion { 1711f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1712ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1713f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1714f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1715f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1716f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1717f6dfb4c3SHadar Hen Zion struct neighbour *n; 171890bb7692SAriel Levkovich u64 lastuse; 1719f6dfb4c3SHadar Hen Zion 1720f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1721f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1722f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1723f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 17245cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1725f6dfb4c3SHadar Hen Zion #endif 1726f6dfb4c3SHadar Hen Zion else 1727f6dfb4c3SHadar Hen Zion return; 1728f6dfb4c3SHadar Hen Zion 1729ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1730ac0d9176SVlad Buslov * next one. 1731ac0d9176SVlad Buslov */ 1732ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 17336a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 17345a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 17356a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 17366a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1737948993f2SVlad Buslov 17386a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 17396a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 17405a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 174179baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 174279baaec7SEli Britstein encaps[efi->index]); 17435a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 17445a7e5bcbSVlad Buslov continue; 17456a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 17465a7e5bcbSVlad Buslov 1747226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1748b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 174990bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1750f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1751f6dfb4c3SHadar Hen Zion neigh_used = true; 1752f6dfb4c3SHadar Hen Zion break; 1753f6dfb4c3SHadar Hen Zion } 1754f6dfb4c3SHadar Hen Zion } 1755f6dfb4c3SHadar Hen Zion } 17566a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1757948993f2SVlad Buslov 17586a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1759ac0d9176SVlad Buslov if (neigh_used) { 1760ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 17616a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1762e36d4810SRoi Dayan break; 1763f6dfb4c3SHadar Hen Zion } 1764ac0d9176SVlad Buslov } 1765f6dfb4c3SHadar Hen Zion 1766c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1767c786fe59SVlad Buslov 1768f6dfb4c3SHadar Hen Zion if (neigh_used) { 1769f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1770f6dfb4c3SHadar Hen Zion 1771f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1772f6dfb4c3SHadar Hen Zion * dst ip pair 1773f6dfb4c3SHadar Hen Zion */ 1774f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1775c7f7ba8dSRoi Dayan if (!n) 1776f6dfb4c3SHadar Hen Zion return; 1777f6dfb4c3SHadar Hen Zion 1778f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1779f6dfb4c3SHadar Hen Zion neigh_release(n); 1780f6dfb4c3SHadar Hen Zion } 1781f6dfb4c3SHadar Hen Zion } 1782f6dfb4c3SHadar Hen Zion 178361086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1784d85cdccbSOr Gerlitz { 1785948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 17863c140dd5SVlad Buslov 17873c140dd5SVlad Buslov if (e->compl_result > 0) { 1788232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1789232c0013SHadar Hen Zion 1790232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 17912b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 17923c140dd5SVlad Buslov } 1793232c0013SHadar Hen Zion 17942a4b6526SVlad Buslov kfree(e->tun_info); 1795232c0013SHadar Hen Zion kfree(e->encap_header); 1796ac0d9176SVlad Buslov kfree_rcu(e, rcu); 17975067b602SRoi Dayan } 1798948993f2SVlad Buslov 179914e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 180014e6b038SEli Cohen struct mlx5e_decap_entry *d) 180114e6b038SEli Cohen { 180214e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 180314e6b038SEli Cohen 180414e6b038SEli Cohen if (!d->compl_result) 180514e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 180614e6b038SEli Cohen 180714e6b038SEli Cohen kfree_rcu(d, rcu); 180814e6b038SEli Cohen } 180914e6b038SEli Cohen 181061086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 181161086f39SVlad Buslov { 181261086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 181361086f39SVlad Buslov 181461086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 181561086f39SVlad Buslov return; 181661086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 181761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 181861086f39SVlad Buslov 181961086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 182061086f39SVlad Buslov } 182161086f39SVlad Buslov 182214e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 182314e6b038SEli Cohen { 182414e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 182514e6b038SEli Cohen 182614e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 182714e6b038SEli Cohen return; 182814e6b038SEli Cohen hash_del_rcu(&d->hlist); 182914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 183014e6b038SEli Cohen 183114e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 183214e6b038SEli Cohen } 183314e6b038SEli Cohen 1834948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1835948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1836948993f2SVlad Buslov { 183761086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 183861086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 183961086f39SVlad Buslov 1840948993f2SVlad Buslov /* flow wasn't fully initialized */ 184161086f39SVlad Buslov if (!e) 1842948993f2SVlad Buslov return; 1843948993f2SVlad Buslov 184461086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1845948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1846948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 184761086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 184861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 184961086f39SVlad Buslov return; 185061086f39SVlad Buslov } 185161086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 185261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 185361086f39SVlad Buslov 185461086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 18555067b602SRoi Dayan } 18565067b602SRoi Dayan 185714e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 185814e6b038SEli Cohen struct mlx5e_tc_flow *flow) 185914e6b038SEli Cohen { 186014e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 186114e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 186214e6b038SEli Cohen 186314e6b038SEli Cohen if (!d) 186414e6b038SEli Cohen return; 186514e6b038SEli Cohen 186614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 186714e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 186814e6b038SEli Cohen flow->decap_reformat = NULL; 186914e6b038SEli Cohen 187014e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 187114e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 187214e6b038SEli Cohen return; 187314e6b038SEli Cohen } 187414e6b038SEli Cohen hash_del_rcu(&d->hlist); 187514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 187614e6b038SEli Cohen 187714e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 187814e6b038SEli Cohen } 187914e6b038SEli Cohen 188004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 188104de7ddaSRoi Dayan { 188204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 188304de7ddaSRoi Dayan 1884226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1885226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 188604de7ddaSRoi Dayan return; 188704de7ddaSRoi Dayan 188804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 188904de7ddaSRoi Dayan list_del(&flow->peer); 189004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 189104de7ddaSRoi Dayan 1892226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 189304de7ddaSRoi Dayan 1894eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 189504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1896a23dae79SRoi Dayan kfree(flow->peer_flow); 1897eb252c3aSRoi Dayan } 1898eb252c3aSRoi Dayan 189904de7ddaSRoi Dayan flow->peer_flow = NULL; 190004de7ddaSRoi Dayan } 190104de7ddaSRoi Dayan 190204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 190304de7ddaSRoi Dayan { 190404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 190504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 190604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 190704de7ddaSRoi Dayan 190804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 190904de7ddaSRoi Dayan if (!peer_esw) 191004de7ddaSRoi Dayan return; 191104de7ddaSRoi Dayan 191204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 191304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 191404de7ddaSRoi Dayan } 191504de7ddaSRoi Dayan 1916e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1917961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1918e8f887acSAmir Vadai { 1919226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 192004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1921d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 192204de7ddaSRoi Dayan } else { 1923d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1924e8f887acSAmir Vadai } 192504de7ddaSRoi Dayan } 1926e8f887acSAmir Vadai 19270a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1928bbd00f7eSHadar Hen Zion { 1929f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19300a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 19310a7fcb78SPaul Blakey const struct flow_action_entry *act; 19320a7fcb78SPaul Blakey int i; 1933bbd00f7eSHadar Hen Zion 19340a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 19350a7fcb78SPaul Blakey switch (act->id) { 19360a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 19370a7fcb78SPaul Blakey return true; 19380a7fcb78SPaul Blakey default: 19390a7fcb78SPaul Blakey continue; 1940fe1587a7SDmytro Linkin } 19412e72eb43SOr Gerlitz } 1942bbd00f7eSHadar Hen Zion 19430a7fcb78SPaul Blakey return false; 19440a7fcb78SPaul Blakey } 1945bcef735cSOr Gerlitz 19460a7fcb78SPaul Blakey static int 19470a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 19480a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 19490a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 19500a7fcb78SPaul Blakey bool *dont_care) 19510a7fcb78SPaul Blakey { 19520a7fcb78SPaul Blakey struct geneve_opt *opt; 19530a7fcb78SPaul Blakey int off = 0; 1954bcef735cSOr Gerlitz 19550a7fcb78SPaul Blakey *dont_care = true; 1956bcef735cSOr Gerlitz 19570a7fcb78SPaul Blakey while (opts->len > off) { 19580a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1959e98bedf5SEli Britstein 19600a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 19610a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 19620a7fcb78SPaul Blakey *dont_care = false; 19630a7fcb78SPaul Blakey 1964c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1965d7a42ad0SRoi Dayan opt->type != U8_MAX) { 19660a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 19670a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 19680a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19690a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1970e98bedf5SEli Britstein return -EOPNOTSUPP; 1971e98bedf5SEli Britstein } 1972bcef735cSOr Gerlitz } 1973bcef735cSOr Gerlitz 19740a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1975bbd00f7eSHadar Hen Zion } 1976bbd00f7eSHadar Hen Zion 1977bbd00f7eSHadar Hen Zion return 0; 1978bbd00f7eSHadar Hen Zion } 1979bbd00f7eSHadar Hen Zion 19800a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 19810a7fcb78SPaul Blakey ({ \ 19820a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 19830a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 19840a7fcb78SPaul Blakey \ 19850a7fcb78SPaul Blakey memcpy(__dst,\ 19860a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 19870a7fcb78SPaul Blakey diss_key,\ 19880a7fcb78SPaul Blakey __rule->match.key),\ 19890a7fcb78SPaul Blakey sizeof(*__dst));\ 19900a7fcb78SPaul Blakey }) 19910a7fcb78SPaul Blakey 19920a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 19930a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19940a7fcb78SPaul Blakey struct flow_cls_offload *f, 19950a7fcb78SPaul Blakey struct net_device *filter_dev) 19968377629eSEli Britstein { 19970a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19980a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19990a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 20000a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 2001d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 20020a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 2003c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 20040a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 20050a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 20060a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 20070a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 20080a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 20090a7fcb78SPaul Blakey u32 value, mask; 20100a7fcb78SPaul Blakey int err; 20110a7fcb78SPaul Blakey 20120a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 20130a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20140a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 20150a7fcb78SPaul Blakey 20160a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 20170a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 20180a7fcb78SPaul Blakey &tunnel_key.enc_control); 20190a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 20200a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 20210a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 20220a7fcb78SPaul Blakey else 20230a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 20240a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 20250a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 20260a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 20270a7fcb78SPaul Blakey &tunnel_key.enc_tp); 20280a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 20290a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 20300a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 20310a7fcb78SPaul Blakey 20320a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 20330a7fcb78SPaul Blakey if (err) 20340a7fcb78SPaul Blakey return err; 20350a7fcb78SPaul Blakey 20360a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 20370a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 20380a7fcb78SPaul Blakey enc_opts_match.mask, 20390a7fcb78SPaul Blakey extack, 20400a7fcb78SPaul Blakey &enc_opts_is_dont_care); 20410a7fcb78SPaul Blakey if (err) 20420a7fcb78SPaul Blakey goto err_enc_opts; 20430a7fcb78SPaul Blakey 20440a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2045d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2046d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2047d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2048d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2049d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2050d7a42ad0SRoi Dayan 20510a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2052d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 20530a7fcb78SPaul Blakey if (err) 20540a7fcb78SPaul Blakey goto err_enc_opts; 20550a7fcb78SPaul Blakey } 20560a7fcb78SPaul Blakey 20570a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 20580a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 20590a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 20600a7fcb78SPaul Blakey 20610a7fcb78SPaul Blakey if (attr->chain) { 20620a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 20630a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 20640a7fcb78SPaul Blakey } else { 20650a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 20660a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2067aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 20680a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 20690a7fcb78SPaul Blakey if (err) 20700a7fcb78SPaul Blakey goto err_set; 20710a7fcb78SPaul Blakey 20720a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 20730a7fcb78SPaul Blakey } 20740a7fcb78SPaul Blakey 20750a7fcb78SPaul Blakey flow->tunnel_id = value; 20760a7fcb78SPaul Blakey return 0; 20770a7fcb78SPaul Blakey 20780a7fcb78SPaul Blakey err_set: 20790a7fcb78SPaul Blakey if (enc_opts_id) 20800a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20810a7fcb78SPaul Blakey enc_opts_id); 20820a7fcb78SPaul Blakey err_enc_opts: 20830a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20840a7fcb78SPaul Blakey return err; 20850a7fcb78SPaul Blakey } 20860a7fcb78SPaul Blakey 20870a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 20880a7fcb78SPaul Blakey { 20890a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 20900a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 20910a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 20920a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 20930a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 20940a7fcb78SPaul Blakey 20950a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 20960a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20970a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 20980a7fcb78SPaul Blakey 20990a7fcb78SPaul Blakey if (tun_id) 21000a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 21010a7fcb78SPaul Blakey if (enc_opts_id) 21020a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 21030a7fcb78SPaul Blakey enc_opts_id); 21040a7fcb78SPaul Blakey } 21050a7fcb78SPaul Blakey 21064c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 21074c3844d9SPaul Blakey { 21084c3844d9SPaul Blakey return flow->tunnel_id; 21094c3844d9SPaul Blakey } 21104c3844d9SPaul Blakey 2111fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2112fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2113fca53304SEli Britstein void *headers_c, void *headers_v) 21144a5d5d73SEli Britstein { 2115fca53304SEli Britstein bool ip_version_cap; 2116fca53304SEli Britstein 2117fca53304SEli Britstein ip_version_cap = outer ? 2118fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2119fca53304SEli Britstein ft_field_support.outer_ip_version) : 2120fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2121fca53304SEli Britstein ft_field_support.inner_ip_version); 2122fca53304SEli Britstein 2123fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2124fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2125fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2126fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2127fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2128fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2129fca53304SEli Britstein } else { 21304a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 21314a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 21324a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 21334a5d5d73SEli Britstein ntohs(match->key->n_proto)); 21344a5d5d73SEli Britstein } 2135fca53304SEli Britstein } 21364a5d5d73SEli Britstein 2137a508728aSVlad Buslov static u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 2138a508728aSVlad Buslov { 2139a508728aSVlad Buslov void *headers_v; 2140a508728aSVlad Buslov u16 ethertype; 2141a508728aSVlad Buslov u8 ip_version; 2142a508728aSVlad Buslov 2143a508728aSVlad Buslov if (outer) 2144a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2145a508728aSVlad Buslov else 2146a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 2147a508728aSVlad Buslov 2148a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 2149a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 2150a508728aSVlad Buslov if (!ip_version) { 2151a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2152a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 2153a508728aSVlad Buslov ip_version = 4; 2154a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 2155a508728aSVlad Buslov ip_version = 6; 2156a508728aSVlad Buslov } 2157a508728aSVlad Buslov return ip_version; 2158a508728aSVlad Buslov } 2159a508728aSVlad Buslov 2160a508728aSVlad Buslov static int mlx5e_tc_set_attr_rx_tun(struct mlx5e_tc_flow *flow, 2161a508728aSVlad Buslov struct mlx5_flow_spec *spec) 2162a508728aSVlad Buslov { 2163a508728aSVlad Buslov struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 2164a508728aSVlad Buslov struct mlx5_rx_tun_attr *tun_attr; 2165a508728aSVlad Buslov void *daddr, *saddr; 2166a508728aSVlad Buslov u8 ip_version; 2167a508728aSVlad Buslov 2168a508728aSVlad Buslov tun_attr = kvzalloc(sizeof(*tun_attr), GFP_KERNEL); 2169a508728aSVlad Buslov if (!tun_attr) 2170a508728aSVlad Buslov return -ENOMEM; 2171a508728aSVlad Buslov 2172a508728aSVlad Buslov esw_attr->rx_tun_attr = tun_attr; 2173a508728aSVlad Buslov ip_version = mlx5e_tc_get_ip_version(spec, true); 2174a508728aSVlad Buslov 2175a508728aSVlad Buslov if (ip_version == 4) { 2176a508728aSVlad Buslov daddr = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2177a508728aSVlad Buslov outer_headers.dst_ipv4_dst_ipv6.ipv4_layout.ipv4); 2178a508728aSVlad Buslov saddr = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2179a508728aSVlad Buslov outer_headers.src_ipv4_src_ipv6.ipv4_layout.ipv4); 2180a508728aSVlad Buslov tun_attr->dst_ip.v4 = *(__be32 *)daddr; 2181a508728aSVlad Buslov tun_attr->src_ip.v4 = *(__be32 *)saddr; 2182a508728aSVlad Buslov } 2183a508728aSVlad Buslov #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 2184a508728aSVlad Buslov else if (ip_version == 6) { 2185a508728aSVlad Buslov int ipv6_size = MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6); 2186a508728aSVlad Buslov 2187a508728aSVlad Buslov daddr = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2188a508728aSVlad Buslov outer_headers.dst_ipv4_dst_ipv6.ipv6_layout.ipv6); 2189a508728aSVlad Buslov saddr = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2190a508728aSVlad Buslov outer_headers.src_ipv4_src_ipv6.ipv6_layout.ipv6); 2191a508728aSVlad Buslov memcpy(&tun_attr->dst_ip.v6, daddr, ipv6_size); 2192a508728aSVlad Buslov memcpy(&tun_attr->src_ip.v6, saddr, ipv6_size); 2193a508728aSVlad Buslov } 2194a508728aSVlad Buslov #endif 2195a508728aSVlad Buslov return 0; 2196a508728aSVlad Buslov } 2197a508728aSVlad Buslov 21980a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 21990a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 22000a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 22010a7fcb78SPaul Blakey struct flow_cls_offload *f, 22020a7fcb78SPaul Blakey struct net_device *filter_dev, 22030a7fcb78SPaul Blakey u8 *match_level, 22040a7fcb78SPaul Blakey bool *match_inner) 22050a7fcb78SPaul Blakey { 2206a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 22070a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 22080a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 22090a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 22100a7fcb78SPaul Blakey int err; 22110a7fcb78SPaul Blakey 22120a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 22130a7fcb78SPaul Blakey return -EOPNOTSUPP; 22140a7fcb78SPaul Blakey 2215c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2216c620b772SAriel Levkovich sets_mapping = !flow->attr->chain && flow_has_tc_fwd_action(f); 22170a7fcb78SPaul Blakey *match_inner = !needs_mapping; 22180a7fcb78SPaul Blakey 22190a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2220636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 22210a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 2222636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 22230a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2224636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 22250a7fcb78SPaul Blakey return -EOPNOTSUPP; 22260a7fcb78SPaul Blakey } 22270a7fcb78SPaul Blakey 2228c620b772SAriel Levkovich if (!flow->attr->chain) { 22290a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 22300a7fcb78SPaul Blakey match_level); 22310a7fcb78SPaul Blakey if (err) { 22320a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 22330a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 22340a7fcb78SPaul Blakey netdev_warn(priv->netdev, 22350a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 22360a7fcb78SPaul Blakey return err; 22370a7fcb78SPaul Blakey } 22380a7fcb78SPaul Blakey 223914e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 224014e6b038SEli Cohen * object 224114e6b038SEli Cohen */ 224214e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2243c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2244a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2245a508728aSVlad Buslov if (err) 2246a508728aSVlad Buslov return err; 2247a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2248a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2249a508728aSVlad Buslov 2250a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2251a508728aSVlad Buslov if (!tmp_spec) { 2252a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2253a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2254a508728aSVlad Buslov return -ENOMEM; 2255a508728aSVlad Buslov } 2256a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2257a508728aSVlad Buslov 2258a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2259a508728aSVlad Buslov if (err) { 2260a508728aSVlad Buslov kvfree(tmp_spec); 2261a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2262a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2263a508728aSVlad Buslov return err; 2264a508728aSVlad Buslov } 2265a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2266a508728aSVlad Buslov kvfree(tmp_spec); 2267a508728aSVlad Buslov if (err) 2268a508728aSVlad Buslov return err; 22690a7fcb78SPaul Blakey } 22700a7fcb78SPaul Blakey 22710a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 22720a7fcb78SPaul Blakey return 0; 22730a7fcb78SPaul Blakey 22740a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 22750a7fcb78SPaul Blakey } 22760a7fcb78SPaul Blakey 22770a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 22780a7fcb78SPaul Blakey { 22790a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 22800a7fcb78SPaul Blakey inner_headers); 22810a7fcb78SPaul Blakey } 22820a7fcb78SPaul Blakey 22830a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 22840a7fcb78SPaul Blakey { 22850a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 22860a7fcb78SPaul Blakey inner_headers); 22870a7fcb78SPaul Blakey } 22880a7fcb78SPaul Blakey 22890a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 22900a7fcb78SPaul Blakey { 22910a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 22920a7fcb78SPaul Blakey outer_headers); 22930a7fcb78SPaul Blakey } 22940a7fcb78SPaul Blakey 22950a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 22960a7fcb78SPaul Blakey { 22970a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 22988377629eSEli Britstein outer_headers); 22998377629eSEli Britstein } 23008377629eSEli Britstein 23018377629eSEli Britstein static void *get_match_headers_value(u32 flags, 23028377629eSEli Britstein struct mlx5_flow_spec *spec) 23038377629eSEli Britstein { 23048377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 23050a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 23060a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 23070a7fcb78SPaul Blakey } 23080a7fcb78SPaul Blakey 23090a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 23100a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 23110a7fcb78SPaul Blakey { 23120a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 23130a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 23140a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 23158377629eSEli Britstein } 23168377629eSEli Britstein 23176d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 23186d65bc64Swenxu struct flow_cls_offload *f) 23196d65bc64Swenxu { 23206d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 23216d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 23226d65bc64Swenxu struct net_device *ingress_dev; 23236d65bc64Swenxu struct flow_match_meta match; 23246d65bc64Swenxu 23256d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 23266d65bc64Swenxu return 0; 23276d65bc64Swenxu 23286d65bc64Swenxu flow_rule_match_meta(rule, &match); 23296d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 23306d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2331a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 23326d65bc64Swenxu } 23336d65bc64Swenxu 23346d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 23356d65bc64Swenxu match.key->ingress_ifindex); 23366d65bc64Swenxu if (!ingress_dev) { 23376d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 23386d65bc64Swenxu "Can't find the ingress port to match on"); 2339a683012aSPablo Neira Ayuso return -ENOENT; 23406d65bc64Swenxu } 23416d65bc64Swenxu 23426d65bc64Swenxu if (ingress_dev != filter_dev) { 23436d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 23446d65bc64Swenxu "Can't match on the ingress filter port"); 2345a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 23466d65bc64Swenxu } 23476d65bc64Swenxu 23486d65bc64Swenxu return 0; 23496d65bc64Swenxu } 23506d65bc64Swenxu 235172046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 235272046a91SEli Cohen struct flow_cls_offload *f) 235372046a91SEli Cohen { 235472046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 235572046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 235672046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 235772046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 235872046a91SEli Cohen */ 235972046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 236072046a91SEli Cohen return true; 236172046a91SEli Cohen 236272046a91SEli Cohen return false; 236372046a91SEli Cohen } 236472046a91SEli Cohen 2365de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 23660a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2367de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2368f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 236954c177caSOz Shlomo struct net_device *filter_dev, 237093b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2371e3a2b7edSAmir Vadai { 2372e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2373c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2374c5bb1730SMaor Gottlieb outer_headers); 2375c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2376c5bb1730SMaor Gottlieb outer_headers); 2377699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2378699e96ddSJianbo Liu misc_parameters); 2379699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2380699e96ddSJianbo Liu misc_parameters); 2381f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 23828f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2383e3a2b7edSAmir Vadai u16 addr_type = 0; 2384e3a2b7edSAmir Vadai u8 ip_proto = 0; 238593b3586eSHuy Nguyen u8 *match_level; 23866d65bc64Swenxu int err; 2387e3a2b7edSAmir Vadai 238893b3586eSHuy Nguyen match_level = outer_match_level; 2389de0af0bfSRoi Dayan 23908f256622SPablo Neira Ayuso if (dissector->used_keys & 23913d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 23923d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2393e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2394e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2395095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2396699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2397e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2398e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2399bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2400bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2401bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2402bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2403bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2404e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2405fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2406bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 24074c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 24089272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 240972046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 241072046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2411e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 241248470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 24138f256622SPablo Neira Ayuso dissector->used_keys); 2414e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2415e3a2b7edSAmir Vadai } 2416e3a2b7edSAmir Vadai 2417075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 24180a7fcb78SPaul Blakey bool match_inner = false; 2419bbd00f7eSHadar Hen Zion 24200a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 24210a7fcb78SPaul Blakey outer_match_level, &match_inner); 24220a7fcb78SPaul Blakey if (err) 24230a7fcb78SPaul Blakey return err; 24240a7fcb78SPaul Blakey 24250a7fcb78SPaul Blakey if (match_inner) { 24260a7fcb78SPaul Blakey /* header pointers should point to the inner headers 24270a7fcb78SPaul Blakey * if the packet was decapsulated already. 24280a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2429bbd00f7eSHadar Hen Zion */ 243093b3586eSHuy Nguyen match_level = inner_match_level; 24310a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 24320a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 24330a7fcb78SPaul Blakey } 2434bbd00f7eSHadar Hen Zion } 2435bbd00f7eSHadar Hen Zion 24366d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 24376d65bc64Swenxu if (err) 24386d65bc64Swenxu return err; 24396d65bc64Swenxu 244072046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 244172046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 24428f256622SPablo Neira Ayuso struct flow_match_basic match; 2443e3a2b7edSAmir Vadai 24448f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2445fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2446fca53304SEli Britstein match_level == outer_match_level, 2447fca53304SEli Britstein headers_c, headers_v); 24488f256622SPablo Neira Ayuso 24498f256622SPablo Neira Ayuso if (match.mask->n_proto) 2450d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2451e3a2b7edSAmir Vadai } 245235a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 245335a605dbSEli Britstein is_vlan_dev(filter_dev)) { 245435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 245535a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 24568f256622SPablo Neira Ayuso struct flow_match_vlan match; 24578f256622SPablo Neira Ayuso 245835a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 245935a605dbSEli Britstein match.key = &filter_dev_key; 246035a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 246135a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 246235a605dbSEli Britstein match.key->vlan_priority = 0; 246335a605dbSEli Britstein match.mask = &filter_dev_mask; 246435a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 246535a605dbSEli Britstein match.mask->vlan_priority = 0; 246635a605dbSEli Britstein } else { 24678f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 246835a605dbSEli Britstein } 24698f256622SPablo Neira Ayuso if (match.mask->vlan_id || 24708f256622SPablo Neira Ayuso match.mask->vlan_priority || 24718f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 24728f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2473699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2474699e96ddSJianbo Liu svlan_tag, 1); 2475699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2476699e96ddSJianbo Liu svlan_tag, 1); 2477699e96ddSJianbo Liu } else { 2478699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2479699e96ddSJianbo Liu cvlan_tag, 1); 2480699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2481699e96ddSJianbo Liu cvlan_tag, 1); 2482699e96ddSJianbo Liu } 2483095b6cfdSOr Gerlitz 24848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 24858f256622SPablo Neira Ayuso match.mask->vlan_id); 24868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 24878f256622SPablo Neira Ayuso match.key->vlan_id); 2488358d79a4SOr Gerlitz 24898f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 24908f256622SPablo Neira Ayuso match.mask->vlan_priority); 24918f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 24928f256622SPablo Neira Ayuso match.key->vlan_priority); 249354782900SOr Gerlitz 2494d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2495095b6cfdSOr Gerlitz } 2496d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2497fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2498fc603294SMark Bloch * disabled in match value means both S & C tags 2499fc603294SMark Bloch * don't exist (untagged of both) 2500fc603294SMark Bloch */ 2501cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2502d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2503095b6cfdSOr Gerlitz } 2504095b6cfdSOr Gerlitz 25058f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 25068f256622SPablo Neira Ayuso struct flow_match_vlan match; 25078f256622SPablo Neira Ayuso 250812d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 25098f256622SPablo Neira Ayuso if (match.mask->vlan_id || 25108f256622SPablo Neira Ayuso match.mask->vlan_priority || 25118f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 25128f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2513699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2514699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2515699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2516699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2517699e96ddSJianbo Liu } else { 2518699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2519699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2520699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2521699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2522699e96ddSJianbo Liu } 2523699e96ddSJianbo Liu 2524699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 25258f256622SPablo Neira Ayuso match.mask->vlan_id); 2526699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 25278f256622SPablo Neira Ayuso match.key->vlan_id); 2528699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 25298f256622SPablo Neira Ayuso match.mask->vlan_priority); 2530699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 25318f256622SPablo Neira Ayuso match.key->vlan_priority); 2532699e96ddSJianbo Liu 2533699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 25340faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2535699e96ddSJianbo Liu } 2536699e96ddSJianbo Liu } 2537699e96ddSJianbo Liu 25388f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 25398f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 254054782900SOr Gerlitz 25418f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2542d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2543d3a80bb5SOr Gerlitz dmac_47_16), 25448f256622SPablo Neira Ayuso match.mask->dst); 2545d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2546d3a80bb5SOr Gerlitz dmac_47_16), 25478f256622SPablo Neira Ayuso match.key->dst); 2548d3a80bb5SOr Gerlitz 2549d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2550d3a80bb5SOr Gerlitz smac_47_16), 25518f256622SPablo Neira Ayuso match.mask->src); 2552d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2553d3a80bb5SOr Gerlitz smac_47_16), 25548f256622SPablo Neira Ayuso match.key->src); 2555d3a80bb5SOr Gerlitz 25568f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 25578f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2558d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 255954782900SOr Gerlitz } 256054782900SOr Gerlitz 25618f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 25628f256622SPablo Neira Ayuso struct flow_match_control match; 256354782900SOr Gerlitz 25648f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 25658f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 256654782900SOr Gerlitz 256754782900SOr Gerlitz /* the HW doesn't support frag first/later */ 25688f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 256954782900SOr Gerlitz return -EOPNOTSUPP; 257054782900SOr Gerlitz 25718f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 257254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 257354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 25748f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 257554782900SOr Gerlitz 257654782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 25778f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 257883621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 257954782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 258054782900SOr Gerlitz else 258183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 258254782900SOr Gerlitz } 258354782900SOr Gerlitz } 258454782900SOr Gerlitz 25858f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 25868f256622SPablo Neira Ayuso struct flow_match_basic match; 25878f256622SPablo Neira Ayuso 25888f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 25898f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 259054782900SOr Gerlitz 259154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 25928f256622SPablo Neira Ayuso match.mask->ip_proto); 259354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 25948f256622SPablo Neira Ayuso match.key->ip_proto); 259554782900SOr Gerlitz 25968f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2597d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 259854782900SOr Gerlitz } 259954782900SOr Gerlitz 2600e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 26018f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2602e3a2b7edSAmir Vadai 26038f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2604e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2605e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 26068f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2607e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2608e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 26098f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2610e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2611e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 26128f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2613e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2614e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 26158f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2616de0af0bfSRoi Dayan 26178f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2618d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2619e3a2b7edSAmir Vadai } 2620e3a2b7edSAmir Vadai 2621e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 26228f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2623e3a2b7edSAmir Vadai 26248f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2625e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2626e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 26278f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2628e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2629e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 26308f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2631e3a2b7edSAmir Vadai 2632e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2633e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 26348f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2635e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2636e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 26378f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2638de0af0bfSRoi Dayan 26398f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 26408f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2641d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2642e3a2b7edSAmir Vadai } 2643e3a2b7edSAmir Vadai 26448f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 26458f256622SPablo Neira Ayuso struct flow_match_ip match; 26461f97a526SOr Gerlitz 26478f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 26488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 26498f256622SPablo Neira Ayuso match.mask->tos & 0x3); 26508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 26518f256622SPablo Neira Ayuso match.key->tos & 0x3); 26521f97a526SOr Gerlitz 26538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 26548f256622SPablo Neira Ayuso match.mask->tos >> 2); 26558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 26568f256622SPablo Neira Ayuso match.key->tos >> 2); 26571f97a526SOr Gerlitz 26588f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 26598f256622SPablo Neira Ayuso match.mask->ttl); 26608f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 26618f256622SPablo Neira Ayuso match.key->ttl); 26621f97a526SOr Gerlitz 26638f256622SPablo Neira Ayuso if (match.mask->ttl && 2664a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2665e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2666e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2667e98bedf5SEli Britstein "Matching on TTL is not supported"); 26681f97a526SOr Gerlitz return -EOPNOTSUPP; 2669e98bedf5SEli Britstein } 2670a8ade55fSOr Gerlitz 26718f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2672d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 26731f97a526SOr Gerlitz } 26741f97a526SOr Gerlitz 267554782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 267654782900SOr Gerlitz 26778f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 26788f256622SPablo Neira Ayuso struct flow_match_ports match; 26798f256622SPablo Neira Ayuso 26808f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2681e3a2b7edSAmir Vadai switch (ip_proto) { 2682e3a2b7edSAmir Vadai case IPPROTO_TCP: 2683e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26848f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2685e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26868f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2687e3a2b7edSAmir Vadai 2688e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26898f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2690e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26918f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2692e3a2b7edSAmir Vadai break; 2693e3a2b7edSAmir Vadai 2694e3a2b7edSAmir Vadai case IPPROTO_UDP: 2695e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 26968f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2697e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 26988f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2699e3a2b7edSAmir Vadai 2700e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 27018f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2702e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 27038f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2704e3a2b7edSAmir Vadai break; 2705e3a2b7edSAmir Vadai default: 2706e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2707e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2708e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2709e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2710e3a2b7edSAmir Vadai return -EINVAL; 2711e3a2b7edSAmir Vadai } 2712de0af0bfSRoi Dayan 27138f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2714d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2715e3a2b7edSAmir Vadai } 2716e3a2b7edSAmir Vadai 27178f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 27188f256622SPablo Neira Ayuso struct flow_match_tcp match; 2719e77834ecSOr Gerlitz 27208f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2721e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 27228f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2723e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 27248f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2725e77834ecSOr Gerlitz 27268f256622SPablo Neira Ayuso if (match.mask->flags) 2727d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2728e77834ecSOr Gerlitz } 2729e77834ecSOr Gerlitz 2730e3a2b7edSAmir Vadai return 0; 2731e3a2b7edSAmir Vadai } 2732e3a2b7edSAmir Vadai 2733de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 273465ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2735de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2736f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 273754c177caSOz Shlomo struct net_device *filter_dev) 2738de0af0bfSRoi Dayan { 273993b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2740e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2741de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2742de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 27431d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 27441d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2745226f2ca3SVlad Buslov bool is_eswitch_flow; 2746de0af0bfSRoi Dayan int err; 2747de0af0bfSRoi Dayan 274893b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 274993b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 275093b3586eSHuy Nguyen 27510a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 27520a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 275393b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 275493b3586eSHuy Nguyen outer_match_level : inner_match_level; 2755de0af0bfSRoi Dayan 2756226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2757226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 27581d447a39SSaeed Mahameed rep = rpriv->rep; 2759b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 27601d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 276193b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2762e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2763e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2764de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2765de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 276693b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2767de0af0bfSRoi Dayan return -EOPNOTSUPP; 2768de0af0bfSRoi Dayan } 2769de0af0bfSRoi Dayan } 2770de0af0bfSRoi Dayan 2771c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2772c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2773c620b772SAriel Levkovich 277438aa51c1SOr Gerlitz 2775de0af0bfSRoi Dayan return err; 2776de0af0bfSRoi Dayan } 2777de0af0bfSRoi Dayan 2778d79b6df6SOr Gerlitz struct pedit_headers { 2779d79b6df6SOr Gerlitz struct ethhdr eth; 27800eb69bb9SEli Britstein struct vlan_hdr vlan; 2781d79b6df6SOr Gerlitz struct iphdr ip4; 2782d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2783d79b6df6SOr Gerlitz struct tcphdr tcp; 2784d79b6df6SOr Gerlitz struct udphdr udp; 2785d79b6df6SOr Gerlitz }; 2786d79b6df6SOr Gerlitz 2787c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2788c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2789c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2790c500c86bSPablo Neira Ayuso u32 pedits; 2791c500c86bSPablo Neira Ayuso }; 2792c500c86bSPablo Neira Ayuso 2793d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 279473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 279573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 279673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 279773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 279873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2799d79b6df6SOr Gerlitz }; 2800d79b6df6SOr Gerlitz 2801d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2802d79b6df6SOr Gerlitz 2803d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2804c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2805d79b6df6SOr Gerlitz { 2806d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2807d79b6df6SOr Gerlitz 2808c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2809c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2810d79b6df6SOr Gerlitz 2811d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2812d79b6df6SOr Gerlitz goto out_err; 2813d79b6df6SOr Gerlitz 2814d79b6df6SOr Gerlitz *curr_pmask |= mask; 2815d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2816d79b6df6SOr Gerlitz 2817d79b6df6SOr Gerlitz return 0; 2818d79b6df6SOr Gerlitz 2819d79b6df6SOr Gerlitz out_err: 2820d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2821d79b6df6SOr Gerlitz } 2822d79b6df6SOr Gerlitz 2823d79b6df6SOr Gerlitz struct mlx5_fields { 2824d79b6df6SOr Gerlitz u8 field; 282588f30bbcSDmytro Linkin u8 field_bsize; 282688f30bbcSDmytro Linkin u32 field_mask; 2827d79b6df6SOr Gerlitz u32 offset; 282827c11b6bSEli Britstein u32 match_offset; 2829d79b6df6SOr Gerlitz }; 2830d79b6df6SOr Gerlitz 283188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 283288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 283327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 283427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 283527c11b6bSEli Britstein 28362ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 28372ef86872SEli Britstein * match. 28382ef86872SEli Britstein */ 28392ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 28402ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 28412ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 28422ef86872SEli Britstein type maskx = *(type *)(maskp); \ 28432ef86872SEli Britstein type valx = *(type *)(valp); \ 28442ef86872SEli Britstein \ 28452ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 28462ef86872SEli Britstein matchmaskx)); \ 28472ef86872SEli Britstein }) 28482ef86872SEli Britstein 284927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 285088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 285127c11b6bSEli Britstein { 285227c11b6bSEli Britstein bool same = false; 285327c11b6bSEli Britstein 285488f30bbcSDmytro Linkin switch (bsize) { 285588f30bbcSDmytro Linkin case 8: 28562ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 285727c11b6bSEli Britstein break; 285888f30bbcSDmytro Linkin case 16: 28592ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 286027c11b6bSEli Britstein break; 286188f30bbcSDmytro Linkin case 32: 28622ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 286327c11b6bSEli Britstein break; 286427c11b6bSEli Britstein } 286527c11b6bSEli Britstein 286627c11b6bSEli Britstein return same; 286727c11b6bSEli Britstein } 2868a8e4f0c4SOr Gerlitz 2869d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 287088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 287188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 287288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 287388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 287488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 287588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2876d79b6df6SOr Gerlitz 2877ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 287888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 287988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 288088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2881d79b6df6SOr Gerlitz 288288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 288327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 288488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 288527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 288688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 288727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 288888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 288927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 289088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 289127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 289288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 289327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 289488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 289527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 289688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 289727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 289888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2899748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2900d79b6df6SOr Gerlitz 290188f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 290288f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 290388f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 290488f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2905d79b6df6SOr Gerlitz 290688f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 290788f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2908d79b6df6SOr Gerlitz }; 2909d79b6df6SOr Gerlitz 291082198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 291182198d8bSMaor Dickman { 291282198d8bSMaor Dickman __be32 mask_be32; 291382198d8bSMaor Dickman __be16 mask_be16; 291482198d8bSMaor Dickman 291582198d8bSMaor Dickman if (size == 32) { 291682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 291782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 291882198d8bSMaor Dickman } else if (size == 16) { 291982198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 292082198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 292182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 292282198d8bSMaor Dickman } 292382198d8bSMaor Dickman 292482198d8bSMaor Dickman return mask; 292582198d8bSMaor Dickman } 29266ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 29276ae4a6a5SPaul Blakey int namespace, 29286ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2929e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 293027c11b6bSEli Britstein u32 *action_flags, 2931e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2932d79b6df6SOr Gerlitz { 2933d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 29346ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 293588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 293688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 29376ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2938d79b6df6SOr Gerlitz struct mlx5_fields *f; 293982198d8bSMaor Dickman unsigned long mask, field_mask; 29406ae4a6a5SPaul Blakey int err; 294188f30bbcSDmytro Linkin u8 cmd; 294288f30bbcSDmytro Linkin 29436ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 294488f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 294588f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2946d79b6df6SOr Gerlitz 294773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 294873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 294973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 295073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2951d79b6df6SOr Gerlitz 2952d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2953d79b6df6SOr Gerlitz 2954d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 295527c11b6bSEli Britstein bool skip; 295627c11b6bSEli Britstein 2957d79b6df6SOr Gerlitz f = &fields[i]; 2958d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2959e3ca4e05SOr Gerlitz s_mask = 0; 2960e3ca4e05SOr Gerlitz a_mask = 0; 2961d79b6df6SOr Gerlitz 2962d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2963d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2964d79b6df6SOr Gerlitz 296588f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 296688f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2967d79b6df6SOr Gerlitz 2968d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2969d79b6df6SOr Gerlitz continue; 2970d79b6df6SOr Gerlitz 2971d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2972e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2973e98bedf5SEli Britstein "can't set and add to the same HW field"); 2974d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2975d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2976d79b6df6SOr Gerlitz } 2977d79b6df6SOr Gerlitz 297827c11b6bSEli Britstein skip = false; 2979d79b6df6SOr Gerlitz if (s_mask) { 298027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 298127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 298227c11b6bSEli Britstein 2983d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2984d79b6df6SOr Gerlitz mask = s_mask; 2985d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 298627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 298727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 298888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 298927c11b6bSEli Britstein skip = true; 2990d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 299188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2992d79b6df6SOr Gerlitz } else { 2993d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2994d79b6df6SOr Gerlitz mask = a_mask; 2995d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 299627c11b6bSEli Britstein /* add 0 is no change */ 299788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 299827c11b6bSEli Britstein skip = true; 2999d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 300088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 3001d79b6df6SOr Gerlitz } 300227c11b6bSEli Britstein if (skip) 300327c11b6bSEli Britstein continue; 3004d79b6df6SOr Gerlitz 300582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 30062b64bebaSOr Gerlitz 300788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 300888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 300988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 30102b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 3011e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3012e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 30132b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 3014d79b6df6SOr Gerlitz mask); 3015d79b6df6SOr Gerlitz return -EOPNOTSUPP; 3016d79b6df6SOr Gerlitz } 3017d79b6df6SOr Gerlitz 30186ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 30196ae4a6a5SPaul Blakey if (err) { 30206ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30216ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 30226ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 30236ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 30246ae4a6a5SPaul Blakey mod_acts->num_actions); 30256ae4a6a5SPaul Blakey return err; 30266ae4a6a5SPaul Blakey } 30276ae4a6a5SPaul Blakey 30286ae4a6a5SPaul Blakey action = mod_acts->actions + 30296ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 3030d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 3031d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 3032d79b6df6SOr Gerlitz 3033d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 303488f30bbcSDmytro Linkin int start; 303588f30bbcSDmytro Linkin 303682198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 303782198d8bSMaor Dickman 303888f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 303982198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 304088f30bbcSDmytro Linkin 304188f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 3042d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 30432b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 3044d79b6df6SOr Gerlitz } 3045d79b6df6SOr Gerlitz 304688f30bbcSDmytro Linkin if (f->field_bsize == 32) 30472b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 304888f30bbcSDmytro Linkin else if (f->field_bsize == 16) 30492b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 305088f30bbcSDmytro Linkin else if (f->field_bsize == 8) 30512b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 3052d79b6df6SOr Gerlitz 30536ae4a6a5SPaul Blakey ++mod_acts->num_actions; 3054d79b6df6SOr Gerlitz } 3055d79b6df6SOr Gerlitz 3056d79b6df6SOr Gerlitz return 0; 3057d79b6df6SOr Gerlitz } 3058d79b6df6SOr Gerlitz 30592cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 30602cc1cb1dSTonghao Zhang int namespace) 30612cc1cb1dSTonghao Zhang { 30622cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 30632cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 30642cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 30652cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 30662cc1cb1dSTonghao Zhang } 30672cc1cb1dSTonghao Zhang 30686ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 3069c500c86bSPablo Neira Ayuso int namespace, 30706ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 3071d79b6df6SOr Gerlitz { 30726ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 30736ae4a6a5SPaul Blakey size_t new_sz, old_sz; 30746ae4a6a5SPaul Blakey void *ret; 3075d79b6df6SOr Gerlitz 30766ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 30776ae4a6a5SPaul Blakey return 0; 30786ae4a6a5SPaul Blakey 3079d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 3080d79b6df6SOr Gerlitz 30816ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 30826ae4a6a5SPaul Blakey namespace); 30836ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 30846ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 30856ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 30866ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 30876ae4a6a5SPaul Blakey return -ENOSPC; 3088d79b6df6SOr Gerlitz 30896ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 30906ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 30916ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 30926ae4a6a5SPaul Blakey if (!ret) 3093d79b6df6SOr Gerlitz return -ENOMEM; 3094d79b6df6SOr Gerlitz 30956ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 30966ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 30976ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 30986ae4a6a5SPaul Blakey 3099d79b6df6SOr Gerlitz return 0; 3100d79b6df6SOr Gerlitz } 3101d79b6df6SOr Gerlitz 31026ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 31036ae4a6a5SPaul Blakey { 31046ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 31056ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 31066ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 31076ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 31086ae4a6a5SPaul Blakey } 31096ae4a6a5SPaul Blakey 3110d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 3111d79b6df6SOr Gerlitz 3112582234b4SEli Cohen static int 3113582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 311473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 3115582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3116c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 3117e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3118d79b6df6SOr Gerlitz { 311973867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 312073867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 3121d79b6df6SOr Gerlitz u32 mask, val, offset; 312273867881SPablo Neira Ayuso u8 htype; 3123d79b6df6SOr Gerlitz 312473867881SPablo Neira Ayuso htype = act->mangle.htype; 3125d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 3126d79b6df6SOr Gerlitz 312773867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 312873867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 3129d79b6df6SOr Gerlitz goto out_err; 3130d79b6df6SOr Gerlitz } 3131d79b6df6SOr Gerlitz 31322cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 31332cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 31342cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 31352cc1cb1dSTonghao Zhang goto out_err; 31362cc1cb1dSTonghao Zhang } 31372cc1cb1dSTonghao Zhang 313873867881SPablo Neira Ayuso mask = act->mangle.mask; 313973867881SPablo Neira Ayuso val = act->mangle.val; 314073867881SPablo Neira Ayuso offset = act->mangle.offset; 3141d79b6df6SOr Gerlitz 3142c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 3143d79b6df6SOr Gerlitz if (err) 3144d79b6df6SOr Gerlitz goto out_err; 3145c500c86bSPablo Neira Ayuso 3146c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 3147d79b6df6SOr Gerlitz 3148c500c86bSPablo Neira Ayuso return 0; 3149c500c86bSPablo Neira Ayuso out_err: 3150c500c86bSPablo Neira Ayuso return err; 3151c500c86bSPablo Neira Ayuso } 3152c500c86bSPablo Neira Ayuso 3153582234b4SEli Cohen static int 3154582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 3155582234b4SEli Cohen const struct flow_action_entry *act, 3156582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3157582234b4SEli Cohen struct netlink_ext_ack *extack) 3158582234b4SEli Cohen { 3159582234b4SEli Cohen u32 mask, val, offset; 3160582234b4SEli Cohen u32 *p; 3161582234b4SEli Cohen 3162582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 3163582234b4SEli Cohen return -EOPNOTSUPP; 3164582234b4SEli Cohen 3165582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 3166582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 3167582234b4SEli Cohen return -EOPNOTSUPP; 3168582234b4SEli Cohen } 3169582234b4SEli Cohen 3170582234b4SEli Cohen mask = ~act->mangle.mask; 3171582234b4SEli Cohen val = act->mangle.val; 3172582234b4SEli Cohen offset = act->mangle.offset; 3173582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 3174582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 3175582234b4SEli Cohen 3176582234b4SEli Cohen return 0; 3177582234b4SEli Cohen } 3178582234b4SEli Cohen 3179582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 3180582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 3181582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3182582234b4SEli Cohen struct pedit_headers_action *hdrs, 3183582234b4SEli Cohen struct mlx5e_tc_flow *flow, 3184582234b4SEli Cohen struct netlink_ext_ack *extack) 3185582234b4SEli Cohen { 3186582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 3187582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 3188582234b4SEli Cohen 3189582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 3190582234b4SEli Cohen parse_attr, hdrs, extack); 3191582234b4SEli Cohen } 3192582234b4SEli Cohen 3193c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3194c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3195c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 319627c11b6bSEli Britstein u32 *action_flags, 3197c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3198c500c86bSPablo Neira Ayuso { 3199c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3200c500c86bSPablo Neira Ayuso int err; 3201c500c86bSPablo Neira Ayuso u8 cmd; 3202c500c86bSPablo Neira Ayuso 32036ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 32046ae4a6a5SPaul Blakey action_flags, extack); 3205d79b6df6SOr Gerlitz if (err < 0) 3206d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3207d79b6df6SOr Gerlitz 3208d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 3209c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 3210d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 3211e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3212e98bedf5SEli Britstein "attempt to offload an unsupported field"); 3213b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3214d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3215d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3216d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 3217d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3218d79b6df6SOr Gerlitz } 3219d79b6df6SOr Gerlitz } 3220d79b6df6SOr Gerlitz 3221d79b6df6SOr Gerlitz return 0; 3222d79b6df6SOr Gerlitz 3223d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 32246ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3225d79b6df6SOr Gerlitz return err; 3226d79b6df6SOr Gerlitz } 3227d79b6df6SOr Gerlitz 3228e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3229e98bedf5SEli Britstein u32 action, 3230e98bedf5SEli Britstein u32 update_flags, 3231e98bedf5SEli Britstein struct netlink_ext_ack *extack) 323226c02749SOr Gerlitz { 323326c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 323426c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 323526c02749SOr Gerlitz 323626c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 323726c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3238e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3239e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 324026c02749SOr Gerlitz netdev_warn(priv->netdev, 324126c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 324226c02749SOr Gerlitz return false; 324326c02749SOr Gerlitz } 324426c02749SOr Gerlitz 324526c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3246e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3247e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 324826c02749SOr Gerlitz netdev_warn(priv->netdev, 324926c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 325026c02749SOr Gerlitz update_flags); 325126c02749SOr Gerlitz return false; 325226c02749SOr Gerlitz } 325326c02749SOr Gerlitz 325426c02749SOr Gerlitz return true; 325526c02749SOr Gerlitz } 325626c02749SOr Gerlitz 32578998576bSDmytro Linkin struct ip_ttl_word { 32588998576bSDmytro Linkin __u8 ttl; 32598998576bSDmytro Linkin __u8 protocol; 32608998576bSDmytro Linkin __sum16 check; 32618998576bSDmytro Linkin }; 32628998576bSDmytro Linkin 32638998576bSDmytro Linkin struct ipv6_hoplimit_word { 32648998576bSDmytro Linkin __be16 payload_len; 32658998576bSDmytro Linkin __u8 nexthdr; 32668998576bSDmytro Linkin __u8 hop_limit; 32678998576bSDmytro Linkin }; 32688998576bSDmytro Linkin 32694c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 32704c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 32717e36feebSPaul Blakey bool *modify_tuple, 32724c3844d9SPaul Blakey struct netlink_ext_ack *extack) 32738998576bSDmytro Linkin { 32748998576bSDmytro Linkin u32 mask, offset; 32758998576bSDmytro Linkin u8 htype; 32768998576bSDmytro Linkin 32778998576bSDmytro Linkin htype = act->mangle.htype; 32788998576bSDmytro Linkin offset = act->mangle.offset; 32798998576bSDmytro Linkin mask = ~act->mangle.mask; 32808998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 32818998576bSDmytro Linkin * to determine that modified fields 32828998576bSDmytro Linkin * are NOT ttl & hop_limit only. 32838998576bSDmytro Linkin */ 32848998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 32858998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 32868998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 32878998576bSDmytro Linkin 32888998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 32898998576bSDmytro Linkin ttl_word->protocol || 32908998576bSDmytro Linkin ttl_word->check) { 32914c3844d9SPaul Blakey *modify_ip_header = true; 32924c3844d9SPaul Blakey } 32934c3844d9SPaul Blakey 32947e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 32957e36feebSPaul Blakey *modify_tuple = true; 32967e36feebSPaul Blakey 32977e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 32984c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32994c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 33004c3844d9SPaul Blakey return -EOPNOTSUPP; 33018998576bSDmytro Linkin } 33028998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 33038998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 33048998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 33058998576bSDmytro Linkin 33068998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 33078998576bSDmytro Linkin hoplimit_word->payload_len || 33088998576bSDmytro Linkin hoplimit_word->nexthdr) { 33094c3844d9SPaul Blakey *modify_ip_header = true; 33108998576bSDmytro Linkin } 33114c3844d9SPaul Blakey 33127e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 33137e36feebSPaul Blakey *modify_tuple = true; 33147e36feebSPaul Blakey 33157e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 33164c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33174c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 33184c3844d9SPaul Blakey return -EOPNOTSUPP; 33198998576bSDmytro Linkin } 33207e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 33217e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 33227e36feebSPaul Blakey *modify_tuple = true; 33237e36feebSPaul Blakey if (ct_flow) { 33244c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33254c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 33264c3844d9SPaul Blakey return -EOPNOTSUPP; 33274c3844d9SPaul Blakey } 33287e36feebSPaul Blakey } 33294c3844d9SPaul Blakey 33304c3844d9SPaul Blakey return 0; 33318998576bSDmytro Linkin } 33328998576bSDmytro Linkin 33333d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 33343d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 333573867881SPablo Neira Ayuso struct flow_action *flow_action, 33364c3844d9SPaul Blakey u32 actions, bool ct_flow, 33377e36feebSPaul Blakey bool ct_clear, 3338e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3339bdd66ac0SOr Gerlitz { 334073867881SPablo Neira Ayuso const struct flow_action_entry *act; 33417e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3342fca53304SEli Britstein void *headers_c; 3343bdd66ac0SOr Gerlitz void *headers_v; 3344bdd66ac0SOr Gerlitz u16 ethertype; 33458998576bSDmytro Linkin u8 ip_proto; 33464c3844d9SPaul Blakey int i, err; 3347bdd66ac0SOr Gerlitz 3348fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 33498377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3350bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3351bdd66ac0SOr Gerlitz 3352bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3353fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3354fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3355bdd66ac0SOr Gerlitz goto out_ok; 3356bdd66ac0SOr Gerlitz 3357bdd66ac0SOr Gerlitz modify_ip_header = false; 33587e36feebSPaul Blakey modify_tuple = false; 335973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 336073867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 336173867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3362bdd66ac0SOr Gerlitz continue; 3363bdd66ac0SOr Gerlitz 33644c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 33657e36feebSPaul Blakey &modify_ip_header, 33667e36feebSPaul Blakey &modify_tuple, extack); 33674c3844d9SPaul Blakey if (err) 33684c3844d9SPaul Blakey return err; 3369bdd66ac0SOr Gerlitz } 3370bdd66ac0SOr Gerlitz 33717e36feebSPaul Blakey /* Add ct_state=-trk match so it will be offloaded for non ct flows 33727e36feebSPaul Blakey * (or after clear action), as otherwise, since the tuple is changed, 33737e36feebSPaul Blakey * we can't restore ct state 33747e36feebSPaul Blakey */ 33757e36feebSPaul Blakey if (!ct_clear && modify_tuple && 337689fbdbaeSSaeed Mahameed mlx5_tc_ct_add_no_trk_match(spec)) { 33777e36feebSPaul Blakey NL_SET_ERR_MSG_MOD(extack, 33787e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 33797e36feebSPaul Blakey netdev_info(priv->netdev, 33807e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 33817e36feebSPaul Blakey return false; 33827e36feebSPaul Blakey } 33837e36feebSPaul Blakey 3384bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 33851ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 33861ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3387e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3388e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 33893d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 33903d486ec4SOz Shlomo ip_proto); 3391bdd66ac0SOr Gerlitz return false; 3392bdd66ac0SOr Gerlitz } 3393bdd66ac0SOr Gerlitz 3394bdd66ac0SOr Gerlitz out_ok: 3395bdd66ac0SOr Gerlitz return true; 3396bdd66ac0SOr Gerlitz } 3397bdd66ac0SOr Gerlitz 3398bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 339973867881SPablo Neira Ayuso struct flow_action *flow_action, 3400bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3401e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3402e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3403bdd66ac0SOr Gerlitz { 3404a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3405bdd66ac0SOr Gerlitz u32 actions; 3406bdd66ac0SOr Gerlitz 3407c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3408a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3409a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3410c620b772SAriel Levkovich actions = flow->attr->action; 3411c620b772SAriel Levkovich 3412c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 3413c620b772SAriel Levkovich if (flow->attr->esw_attr->split_count && ct_flow) { 34144c3844d9SPaul Blakey /* All registers used by ct are cleared when using 34154c3844d9SPaul Blakey * split rules. 34164c3844d9SPaul Blakey */ 34174c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 34184c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 341949397b80SDan Carpenter return false; 34204c3844d9SPaul Blakey } 34214c3844d9SPaul Blakey } 3422bdd66ac0SOr Gerlitz 3423bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 34243d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3425a655fe9fSDavid S. Miller flow_action, actions, 34267e36feebSPaul Blakey ct_flow, ct_clear, 34277e36feebSPaul Blakey extack); 3428bdd66ac0SOr Gerlitz 3429bdd66ac0SOr Gerlitz return true; 3430bdd66ac0SOr Gerlitz } 3431bdd66ac0SOr Gerlitz 343232134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 343332134847SMaor Dickman { 343432134847SMaor Dickman return priv->mdev == peer_priv->mdev; 343532134847SMaor Dickman } 343632134847SMaor Dickman 34375c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 34385c65c564SOr Gerlitz { 34395c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3440816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 34415c65c564SOr Gerlitz 34425c65c564SOr Gerlitz fmdev = priv->mdev; 34435c65c564SOr Gerlitz pmdev = peer_priv->mdev; 34445c65c564SOr Gerlitz 344559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 344659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 34475c65c564SOr Gerlitz 3448816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 34495c65c564SOr Gerlitz } 34505c65c564SOr Gerlitz 3451bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3452bdc837eeSEli Britstein const struct flow_action_entry *act, 3453bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3454bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3455bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3456bdc837eeSEli Britstein { 3457bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3458bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3459bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3460bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3461bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3462bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3463bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3464bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3465bdc837eeSEli Britstein }; 34666fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3467bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3468bdc837eeSEli Britstein int err; 3469bdc837eeSEli Britstein 3470bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3471bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3472bf2f3bcaSEli Britstein 3473bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3474bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3475bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3476bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3477bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3478bf2f3bcaSEli Britstein } 3479bf2f3bcaSEli Britstein 34806fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 34816fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 34826fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 34836fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 34846fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3485bdc837eeSEli Britstein return -EOPNOTSUPP; 3486bdc837eeSEli Britstein } 3487bdc837eeSEli Britstein 3488582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3489bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3490bdc837eeSEli Britstein 3491bdc837eeSEli Britstein return err; 3492bdc837eeSEli Britstein } 3493bdc837eeSEli Britstein 34940bac1194SEli Britstein static int 34950bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 34960bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 34970bac1194SEli Britstein struct pedit_headers_action *hdrs, 34980bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 34990bac1194SEli Britstein { 35000bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 35010bac1194SEli Britstein .vlan.vid = 0, 35020bac1194SEli Britstein .vlan.prio = 35030bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 35040bac1194SEli Britstein get_match_headers_value(*action, 35050bac1194SEli Britstein &parse_attr->spec), 35060bac1194SEli Britstein first_prio) & 35070bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 35080bac1194SEli Britstein get_match_headers_criteria(*action, 35090bac1194SEli Britstein &parse_attr->spec), 35100bac1194SEli Britstein first_prio), 35110bac1194SEli Britstein }; 35120bac1194SEli Britstein 35130bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 35140bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 35150bac1194SEli Britstein extack); 35160bac1194SEli Britstein } 35170bac1194SEli Britstein 3518c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3519c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3520c7569097SAriel Levkovich const struct flow_action_entry *act, 3521c7569097SAriel Levkovich u32 actions, 3522c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3523c7569097SAriel Levkovich { 3524c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3525c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3526c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3527c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3528c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3529c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3530c7569097SAriel Levkovich u32 reformat_and_fwd; 3531c7569097SAriel Levkovich u32 max_chain; 3532c7569097SAriel Levkovich 3533c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3534c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3535c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3536c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3537c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3538c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3539c7569097SAriel Levkovich 3540c7569097SAriel Levkovich if (ft_flow) { 3541c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3542c7569097SAriel Levkovich return -EOPNOTSUPP; 3543c7569097SAriel Levkovich } 3544c7569097SAriel Levkovich 3545c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3546c7569097SAriel Levkovich dest_chain <= attr->chain) { 3547c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3548c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3549c7569097SAriel Levkovich return -EOPNOTSUPP; 3550c7569097SAriel Levkovich } 3551c7569097SAriel Levkovich 3552c7569097SAriel Levkovich if (dest_chain > max_chain) { 3553c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3554c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3555c7569097SAriel Levkovich return -EOPNOTSUPP; 3556c7569097SAriel Levkovich } 3557c7569097SAriel Levkovich 3558c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3559c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3560c7569097SAriel Levkovich !reformat_and_fwd) { 3561c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3562c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3563c7569097SAriel Levkovich return -EOPNOTSUPP; 3564c7569097SAriel Levkovich } 3565c7569097SAriel Levkovich 3566c7569097SAriel Levkovich return 0; 3567c7569097SAriel Levkovich } 3568c7569097SAriel Levkovich 356973867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 357073867881SPablo Neira Ayuso struct flow_action *flow_action, 3571aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3572e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3573e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3574e3a2b7edSAmir Vadai { 3575c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 357673867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 357773867881SPablo Neira Ayuso const struct flow_action_entry *act; 3578c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 35791cab1cd7SOr Gerlitz u32 action = 0; 3580244cd96aSCong Wang int err, i; 3581e3a2b7edSAmir Vadai 358273867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3583e3a2b7edSAmir Vadai return -EINVAL; 3584e3a2b7edSAmir Vadai 358553eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 358653eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3587319a1d19SJiri Pirko return -EOPNOTSUPP; 3588319a1d19SJiri Pirko 3589c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3590c620b772SAriel Levkovich 3591c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3592e3a2b7edSAmir Vadai 359373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 359473867881SPablo Neira Ayuso switch (act->id) { 359515fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 359615fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 359715fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 359815fc92ecSTonghao Zhang break; 359973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 36001cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3601aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3602aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 36031cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 360473867881SPablo Neira Ayuso break; 360573867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 360673867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 360773867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3608582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 36092f4fe4caSOr Gerlitz if (err) 36102f4fe4caSOr Gerlitz return err; 36112f4fe4caSOr Gerlitz 3612c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 361373867881SPablo Neira Ayuso break; 3614bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3615bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3616bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3617bdc837eeSEli Britstein act, parse_attr, hdrs, 3618bdc837eeSEli Britstein &action, extack); 3619bdc837eeSEli Britstein if (err) 3620bdc837eeSEli Britstein return err; 3621bdc837eeSEli Britstein 3622bdc837eeSEli Britstein break; 362373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 36241cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 362573867881SPablo Neira Ayuso act->csum_flags, 3626e98bedf5SEli Britstein extack)) 362773867881SPablo Neira Ayuso break; 362826c02749SOr Gerlitz 362926c02749SOr Gerlitz return -EOPNOTSUPP; 363073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 363173867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 36325c65c564SOr Gerlitz 36335c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 36345c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 363598b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3636226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 36371cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 36385c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 36395c65c564SOr Gerlitz } else { 3640e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3641e98bedf5SEli Britstein "device is not on same HW, can't offload"); 36425c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 36435c65c564SOr Gerlitz peer_dev->name); 36445c65c564SOr Gerlitz return -EINVAL; 36455c65c564SOr Gerlitz } 36465c65c564SOr Gerlitz } 364773867881SPablo Neira Ayuso break; 364873867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 364973867881SPablo Neira Ayuso u32 mark = act->mark; 3650e3a2b7edSAmir Vadai 3651e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3652e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3653e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3654e3a2b7edSAmir Vadai return -EINVAL; 3655e3a2b7edSAmir Vadai } 3656e3a2b7edSAmir Vadai 3657c620b772SAriel Levkovich nic_attr->flow_tag = mark; 36581cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3659e3a2b7edSAmir Vadai } 366073867881SPablo Neira Ayuso break; 3661c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3662c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3663c7569097SAriel Levkovich extack); 3664c7569097SAriel Levkovich if (err) 3665c7569097SAriel Levkovich return err; 3666c7569097SAriel Levkovich 3667c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3668c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3669c7569097SAriel Levkovich break; 3670aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3671aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3672aedd133dSAriel Levkovich if (err) 3673aedd133dSAriel Levkovich return err; 3674aedd133dSAriel Levkovich 3675aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3676aedd133dSAriel Levkovich break; 367773867881SPablo Neira Ayuso default: 36782cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 36792cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3680e3a2b7edSAmir Vadai } 368173867881SPablo Neira Ayuso } 3682e3a2b7edSAmir Vadai 3683c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3684c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3685c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 368627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3687c500c86bSPablo Neira Ayuso if (err) 3688c500c86bSPablo Neira Ayuso return err; 368927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 369027c11b6bSEli Britstein * flag. 369127c11b6bSEli Britstein */ 36926ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 369327c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 36946ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3695e7739a60SEli Britstein } 3696c500c86bSPablo Neira Ayuso } 3697c500c86bSPablo Neira Ayuso 36981cab1cd7SOr Gerlitz attr->action = action; 3699c7569097SAriel Levkovich 3700c7569097SAriel Levkovich if (attr->dest_chain) { 3701c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3702c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3703c7569097SAriel Levkovich return -EOPNOTSUPP; 3704c7569097SAriel Levkovich } 3705c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3706c7569097SAriel Levkovich } 3707c7569097SAriel Levkovich 3708c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 3709c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3710c7569097SAriel Levkovich 371173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3712bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3713bdd66ac0SOr Gerlitz 3714e3a2b7edSAmir Vadai return 0; 3715e3a2b7edSAmir Vadai } 3716e3a2b7edSAmir Vadai 37177f1a546eSEli Britstein struct encap_key { 37181f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3719d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 37207f1a546eSEli Britstein }; 37217f1a546eSEli Britstein 37227f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 37237f1a546eSEli Britstein struct encap_key *b) 3724a54e20b4SHadar Hen Zion { 37257f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3726d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3727a54e20b4SHadar Hen Zion } 3728a54e20b4SHadar Hen Zion 372914e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 373014e6b038SEli Cohen struct mlx5e_decap_key *b) 373114e6b038SEli Cohen { 373214e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 373314e6b038SEli Cohen } 373414e6b038SEli Cohen 37357f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3736a54e20b4SHadar Hen Zion { 37377f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3738d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3739a54e20b4SHadar Hen Zion } 3740a54e20b4SHadar Hen Zion 374114e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 374214e6b038SEli Cohen { 374314e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 374414e6b038SEli Cohen } 3745a54e20b4SHadar Hen Zion 374632134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3747b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3748b1d90e6bSRabie Loulou { 3749b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3750b1d90e6bSRabie Loulou 3751b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3752b1d90e6bSRabie Loulou 3753b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 375432134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 375532134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 375668931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3757b1d90e6bSRabie Loulou } 3758b1d90e6bSRabie Loulou 3759948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3760948993f2SVlad Buslov { 3761948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3762948993f2SVlad Buslov } 3763948993f2SVlad Buslov 376414e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 376514e6b038SEli Cohen { 376614e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 376714e6b038SEli Cohen } 376814e6b038SEli Cohen 3769948993f2SVlad Buslov static struct mlx5e_encap_entry * 3770948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3771948993f2SVlad Buslov uintptr_t hash_key) 3772948993f2SVlad Buslov { 3773948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3774948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3775948993f2SVlad Buslov struct encap_key e_key; 3776948993f2SVlad Buslov 3777948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3778948993f2SVlad Buslov encap_hlist, hash_key) { 3779948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3780948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3781948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3782948993f2SVlad Buslov mlx5e_encap_take(e)) 3783948993f2SVlad Buslov return e; 3784948993f2SVlad Buslov } 3785948993f2SVlad Buslov 3786948993f2SVlad Buslov return NULL; 3787948993f2SVlad Buslov } 3788948993f2SVlad Buslov 378914e6b038SEli Cohen static struct mlx5e_decap_entry * 379014e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 379114e6b038SEli Cohen uintptr_t hash_key) 379214e6b038SEli Cohen { 379314e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 379414e6b038SEli Cohen struct mlx5e_decap_key r_key; 379514e6b038SEli Cohen struct mlx5e_decap_entry *e; 379614e6b038SEli Cohen 379714e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 379814e6b038SEli Cohen hlist, hash_key) { 379914e6b038SEli Cohen r_key = e->key; 380014e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 380114e6b038SEli Cohen mlx5e_decap_take(e)) 380214e6b038SEli Cohen return e; 380314e6b038SEli Cohen } 380414e6b038SEli Cohen return NULL; 380514e6b038SEli Cohen } 380614e6b038SEli Cohen 38072a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 38082a4b6526SVlad Buslov { 38092a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 38102a4b6526SVlad Buslov 38112a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 38122a4b6526SVlad Buslov } 38132a4b6526SVlad Buslov 3814554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3815554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3816554fe75cSDmytro Linkin int out_index, 3817554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3818554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3819554fe75cSDmytro Linkin { 3820554fe75cSDmytro Linkin int i; 3821554fe75cSDmytro Linkin 3822554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3823554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3824554fe75cSDmytro Linkin continue; 3825554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3826554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3827554fe75cSDmytro Linkin return true; 3828554fe75cSDmytro Linkin } 3829554fe75cSDmytro Linkin 3830554fe75cSDmytro Linkin return false; 3831554fe75cSDmytro Linkin } 3832554fe75cSDmytro Linkin 383310742efcSVlad Buslov static int mlx5e_set_vf_tunnel(struct mlx5_eswitch *esw, 383410742efcSVlad Buslov struct mlx5_flow_attr *attr, 383510742efcSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 383610742efcSVlad Buslov struct net_device *out_dev, 383710742efcSVlad Buslov int route_dev_ifindex, 383810742efcSVlad Buslov int out_index) 383910742efcSVlad Buslov { 384010742efcSVlad Buslov struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 384110742efcSVlad Buslov struct net_device *route_dev; 384210742efcSVlad Buslov u16 vport_num; 384310742efcSVlad Buslov int err = 0; 384410742efcSVlad Buslov u32 data; 384510742efcSVlad Buslov 384610742efcSVlad Buslov route_dev = dev_get_by_index(dev_net(out_dev), route_dev_ifindex); 384710742efcSVlad Buslov 384810742efcSVlad Buslov if (!route_dev || route_dev->netdev_ops != &mlx5e_netdev_ops || 384910742efcSVlad Buslov !mlx5e_tc_is_vf_tunnel(out_dev, route_dev)) 385010742efcSVlad Buslov goto out; 385110742efcSVlad Buslov 385210742efcSVlad Buslov err = mlx5e_tc_query_route_vport(out_dev, route_dev, &vport_num); 385310742efcSVlad Buslov if (err) 385410742efcSVlad Buslov goto out; 385510742efcSVlad Buslov 385610742efcSVlad Buslov attr->dest_chain = 0; 385710742efcSVlad Buslov attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 385810742efcSVlad Buslov esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 385910742efcSVlad Buslov data = mlx5_eswitch_get_vport_metadata_for_set(esw_attr->in_mdev->priv.eswitch, 386010742efcSVlad Buslov vport_num); 386110742efcSVlad Buslov err = mlx5e_tc_match_to_reg_set(esw->dev, mod_hdr_acts, 386210742efcSVlad Buslov MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, data); 386310742efcSVlad Buslov if (err) 386410742efcSVlad Buslov goto out; 386510742efcSVlad Buslov 386610742efcSVlad Buslov out: 386710742efcSVlad Buslov if (route_dev) 386810742efcSVlad Buslov dev_put(route_dev); 386910742efcSVlad Buslov return err; 387010742efcSVlad Buslov } 387110742efcSVlad Buslov 3872a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3873e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3874733d4f36SRoi Dayan struct net_device *mirred_dev, 3875733d4f36SRoi Dayan int out_index, 38768c4dc42bSEli Britstein struct netlink_ext_ack *extack, 38770ad060eeSRoi Dayan struct net_device **encap_dev, 38780ad060eeSRoi Dayan bool *encap_valid) 387903a9d11eSOr Gerlitz { 3880a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3881733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3882c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 38831f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3884948993f2SVlad Buslov struct encap_key key; 3885c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3886733d4f36SRoi Dayan unsigned short family; 3887a54e20b4SHadar Hen Zion uintptr_t hash_key; 388854c177caSOz Shlomo int err = 0; 3889a54e20b4SHadar Hen Zion 3890733d4f36SRoi Dayan parse_attr = attr->parse_attr; 38911f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3892733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 38937f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3894d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3895d71f895cSEli Cohen if (!key.tc_tunnel) { 3896d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3897d71f895cSEli Cohen return -EOPNOTSUPP; 3898d71f895cSEli Cohen } 3899733d4f36SRoi Dayan 39007f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3901a54e20b4SHadar Hen Zion 390261086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3903948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3904a54e20b4SHadar Hen Zion 3905b2812089SVlad Buslov /* must verify if encap is valid or not */ 3906d589e785SVlad Buslov if (e) { 3907554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3908554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3909554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3910554fe75cSDmytro Linkin goto out_err; 3911554fe75cSDmytro Linkin } 3912554fe75cSDmytro Linkin 3913d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3914d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3915d589e785SVlad Buslov 3916d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3917d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 39183c140dd5SVlad Buslov if (e->compl_result < 0) { 3919d589e785SVlad Buslov err = -EREMOTEIO; 3920d589e785SVlad Buslov goto out_err; 3921d589e785SVlad Buslov } 392245247bf2SOr Gerlitz goto attach_flow; 3923d589e785SVlad Buslov } 3924a54e20b4SHadar Hen Zion 3925a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 392661086f39SVlad Buslov if (!e) { 392761086f39SVlad Buslov err = -ENOMEM; 392861086f39SVlad Buslov goto out_err; 392961086f39SVlad Buslov } 3930a54e20b4SHadar Hen Zion 3931948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3932d589e785SVlad Buslov init_completion(&e->res_ready); 3933d589e785SVlad Buslov 39342a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 39352a4b6526SVlad Buslov if (!tun_info) { 39362a4b6526SVlad Buslov err = -ENOMEM; 39372a4b6526SVlad Buslov goto out_err_init; 39382a4b6526SVlad Buslov } 39391f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3940101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 39412a4b6526SVlad Buslov if (err) 39422a4b6526SVlad Buslov goto out_err_init; 394354c177caSOz Shlomo 3944a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3945d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3946d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3947a54e20b4SHadar Hen Zion 3948ce99f6b9SOr Gerlitz if (family == AF_INET) 3949101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3950ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3951101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3952ce99f6b9SOr Gerlitz 3953d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3954d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3955d589e785SVlad Buslov complete_all(&e->res_ready); 3956d589e785SVlad Buslov if (err) { 3957d589e785SVlad Buslov e->compl_result = err; 3958a54e20b4SHadar Hen Zion goto out_err; 3959d589e785SVlad Buslov } 39603c140dd5SVlad Buslov e->compl_result = 1; 3961a54e20b4SHadar Hen Zion 396245247bf2SOr Gerlitz attach_flow: 396310742efcSVlad Buslov err = mlx5e_set_vf_tunnel(esw, attr, &parse_attr->mod_hdr_acts, e->out_dev, 396410742efcSVlad Buslov e->route_dev_ifindex, out_index); 396510742efcSVlad Buslov if (err) 396610742efcSVlad Buslov goto out_err; 396710742efcSVlad Buslov 3968948993f2SVlad Buslov flow->encaps[out_index].e = e; 39698c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 39708c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 397145247bf2SOr Gerlitz *encap_dev = e->out_dev; 39728c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 3973c620b772SAriel Levkovich attr->esw_attr->dests[out_index].pkt_reformat = e->pkt_reformat; 3974c620b772SAriel Levkovich attr->esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 39750ad060eeSRoi Dayan *encap_valid = true; 39768c4dc42bSEli Britstein } else { 39770ad060eeSRoi Dayan *encap_valid = false; 39788c4dc42bSEli Britstein } 397961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 398045247bf2SOr Gerlitz 3981232c0013SHadar Hen Zion return err; 3982a54e20b4SHadar Hen Zion 3983a54e20b4SHadar Hen Zion out_err: 398461086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3985d589e785SVlad Buslov if (e) 3986d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3987a54e20b4SHadar Hen Zion return err; 39882a4b6526SVlad Buslov 39892a4b6526SVlad Buslov out_err_init: 39902a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 39912a4b6526SVlad Buslov kfree(tun_info); 39922a4b6526SVlad Buslov kfree(e); 39932a4b6526SVlad Buslov return err; 3994a54e20b4SHadar Hen Zion } 3995a54e20b4SHadar Hen Zion 399614e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 399714e6b038SEli Cohen struct mlx5e_tc_flow *flow, 399814e6b038SEli Cohen struct netlink_ext_ack *extack) 399914e6b038SEli Cohen { 400014e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4001c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 400214e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 400314e6b038SEli Cohen struct mlx5e_decap_entry *d; 400414e6b038SEli Cohen struct mlx5e_decap_key key; 400514e6b038SEli Cohen uintptr_t hash_key; 400628619046SNathan Chancellor int err = 0; 400714e6b038SEli Cohen 4008c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 400914e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 401014e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 401114e6b038SEli Cohen "encap header larger than max supported"); 401214e6b038SEli Cohen return -EOPNOTSUPP; 401314e6b038SEli Cohen } 401414e6b038SEli Cohen 401514e6b038SEli Cohen key.key = parse_attr->eth; 401614e6b038SEli Cohen hash_key = hash_decap_info(&key); 401714e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 401814e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 401914e6b038SEli Cohen if (d) { 402014e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 402114e6b038SEli Cohen wait_for_completion(&d->res_ready); 402214e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 402314e6b038SEli Cohen if (d->compl_result) { 402414e6b038SEli Cohen err = -EREMOTEIO; 402514e6b038SEli Cohen goto out_free; 402614e6b038SEli Cohen } 402714e6b038SEli Cohen goto found; 402814e6b038SEli Cohen } 402914e6b038SEli Cohen 403014e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 403114e6b038SEli Cohen if (!d) { 403214e6b038SEli Cohen err = -ENOMEM; 403314e6b038SEli Cohen goto out_err; 403414e6b038SEli Cohen } 403514e6b038SEli Cohen 403614e6b038SEli Cohen d->key = key; 403714e6b038SEli Cohen refcount_set(&d->refcnt, 1); 403814e6b038SEli Cohen init_completion(&d->res_ready); 403914e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 404014e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 404114e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 404214e6b038SEli Cohen 404314e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 404414e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 404514e6b038SEli Cohen sizeof(parse_attr->eth), 404614e6b038SEli Cohen &parse_attr->eth, 404714e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 404814e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 404914e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 405014e6b038SEli Cohen d->compl_result = err; 405114e6b038SEli Cohen } 405214e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 405314e6b038SEli Cohen complete_all(&d->res_ready); 405414e6b038SEli Cohen if (err) 405514e6b038SEli Cohen goto out_free; 405614e6b038SEli Cohen 405714e6b038SEli Cohen found: 405814e6b038SEli Cohen flow->decap_reformat = d; 405914e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 406014e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 406114e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 406214e6b038SEli Cohen return 0; 406314e6b038SEli Cohen 406414e6b038SEli Cohen out_free: 406514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 406614e6b038SEli Cohen mlx5e_decap_put(priv, d); 406714e6b038SEli Cohen return err; 406814e6b038SEli Cohen 406914e6b038SEli Cohen out_err: 407014e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 407114e6b038SEli Cohen return err; 407214e6b038SEli Cohen } 407314e6b038SEli Cohen 40741482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 407573867881SPablo Neira Ayuso const struct flow_action_entry *act, 40761482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 40771482bd3dSJianbo Liu u32 *action) 40781482bd3dSJianbo Liu { 4079cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 4080cc495188SJianbo Liu 4081cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 40821482bd3dSJianbo Liu return -EOPNOTSUPP; 4083cc495188SJianbo Liu 408473867881SPablo Neira Ayuso switch (act->id) { 408573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 4086cc495188SJianbo Liu if (vlan_idx) { 4087cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 4088cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 4089cc495188SJianbo Liu return -EOPNOTSUPP; 4090cc495188SJianbo Liu 4091cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 4092cc495188SJianbo Liu } else { 4093cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 4094cc495188SJianbo Liu } 409573867881SPablo Neira Ayuso break; 409673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 409773867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 409873867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 409973867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 4100cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 4101cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 4102cc495188SJianbo Liu 4103cc495188SJianbo Liu if (vlan_idx) { 4104cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 4105cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 4106cc495188SJianbo Liu return -EOPNOTSUPP; 4107cc495188SJianbo Liu 4108cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 4109cc495188SJianbo Liu } else { 4110cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 411173867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 411273867881SPablo Neira Ayuso act->vlan.prio)) 4113cc495188SJianbo Liu return -EOPNOTSUPP; 4114cc495188SJianbo Liu 4115cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 41161482bd3dSJianbo Liu } 411773867881SPablo Neira Ayuso break; 411873867881SPablo Neira Ayuso default: 4119bdc837eeSEli Britstein return -EINVAL; 41201482bd3dSJianbo Liu } 41211482bd3dSJianbo Liu 4122cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 4123cc495188SJianbo Liu 41241482bd3dSJianbo Liu return 0; 41251482bd3dSJianbo Liu } 41261482bd3dSJianbo Liu 4127d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 4128d34eb2fcSOr Gerlitz struct net_device *out_dev) 4129d34eb2fcSOr Gerlitz { 4130d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 4131d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 4132d34eb2fcSOr Gerlitz 4133d34eb2fcSOr Gerlitz rcu_read_lock(); 4134d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 4135d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 4136d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 4137d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 4138d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 4139d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 4140d34eb2fcSOr Gerlitz if (fdb_out_dev && 4141d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 4142d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 4143d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 4144d34eb2fcSOr Gerlitz } 4145d34eb2fcSOr Gerlitz rcu_read_unlock(); 4146d34eb2fcSOr Gerlitz return fdb_out_dev; 4147d34eb2fcSOr Gerlitz } 4148d34eb2fcSOr Gerlitz 4149278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 4150c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 4151278748a9SEli Britstein struct net_device **out_dev, 4152278748a9SEli Britstein u32 *action) 4153278748a9SEli Britstein { 4154278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 4155278748a9SEli Britstein struct flow_action_entry vlan_act = { 4156278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 4157278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 4158278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 4159278748a9SEli Britstein .vlan.prio = 0, 4160278748a9SEli Britstein }; 4161278748a9SEli Britstein int err; 4162278748a9SEli Britstein 4163c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 4164278748a9SEli Britstein if (err) 4165278748a9SEli Britstein return err; 4166278748a9SEli Britstein 4167278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 4168278748a9SEli Britstein dev_get_iflink(vlan_dev)); 4169278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 4170278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 4171278748a9SEli Britstein 4172278748a9SEli Britstein return err; 4173278748a9SEli Britstein } 4174278748a9SEli Britstein 417535a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 4176c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 417735a605dbSEli Britstein u32 *action) 417835a605dbSEli Britstein { 417935a605dbSEli Britstein struct flow_action_entry vlan_act = { 418035a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 418135a605dbSEli Britstein }; 418270f478caSDmytro Linkin int nest_level, err = 0; 418335a605dbSEli Britstein 418470f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 418570f478caSDmytro Linkin priv->netdev->lower_level; 418635a605dbSEli Britstein while (nest_level--) { 4187c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 418835a605dbSEli Britstein if (err) 418935a605dbSEli Britstein return err; 419035a605dbSEli Britstein } 419135a605dbSEli Britstein 419235a605dbSEli Britstein return err; 419335a605dbSEli Britstein } 419435a605dbSEli Britstein 419532134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 419632134847SMaor Dickman struct net_device *peer_netdev) 419732134847SMaor Dickman { 419832134847SMaor Dickman struct mlx5e_priv *peer_priv; 419932134847SMaor Dickman 420032134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 420132134847SMaor Dickman 420232134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 420332134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 420432134847SMaor Dickman same_hw_devs(priv, peer_priv); 420532134847SMaor Dickman } 420632134847SMaor Dickman 420732134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 420832134847SMaor Dickman struct net_device *peer_netdev) 420932134847SMaor Dickman { 421032134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 421132134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 421232134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 421332134847SMaor Dickman } 421432134847SMaor Dickman 4215f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4216f6dc1264SPaul Blakey struct net_device *out_dev) 4217f6dc1264SPaul Blakey { 421832134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 421932134847SMaor Dickman return true; 422032134847SMaor Dickman 422132134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4222f6dc1264SPaul Blakey return true; 4223f6dc1264SPaul Blakey 4224f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 422532134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4226f6dc1264SPaul Blakey } 4227f6dc1264SPaul Blakey 4228554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 4229554fe75cSDmytro Linkin struct net_device *out_dev, 4230554fe75cSDmytro Linkin int *ifindexes, int if_count, 4231554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 4232554fe75cSDmytro Linkin { 4233554fe75cSDmytro Linkin int i; 4234554fe75cSDmytro Linkin 4235554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 4236554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 4237554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 4238554fe75cSDmytro Linkin "can't duplicate output to same device"); 4239554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 4240554fe75cSDmytro Linkin out_dev->name); 4241554fe75cSDmytro Linkin return true; 4242554fe75cSDmytro Linkin } 4243554fe75cSDmytro Linkin } 4244554fe75cSDmytro Linkin 4245554fe75cSDmytro Linkin return false; 4246554fe75cSDmytro Linkin } 4247554fe75cSDmytro Linkin 4248613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 4249613f53feSEli Cohen struct mlx5e_tc_flow *flow, 4250613f53feSEli Cohen struct net_device *out_dev, 4251613f53feSEli Cohen struct netlink_ext_ack *extack) 4252613f53feSEli Cohen { 4253c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 4254613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4255613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 4256613f53feSEli Cohen 4257613f53feSEli Cohen /* Forwarding non encapsulated traffic between 4258613f53feSEli Cohen * uplink ports is allowed only if 4259613f53feSEli Cohen * termination_table_raw_traffic cap is set. 4260613f53feSEli Cohen * 4261c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 4262613f53feSEli Cohen * In LAG case, *priv* is the private data of 4263613f53feSEli Cohen * uplink which may be not the input vport. 4264613f53feSEli Cohen */ 4265613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 4266613f53feSEli Cohen 4267613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 4268613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 4269613f53feSEli Cohen return 0; 4270613f53feSEli Cohen 4271613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 4272613f53feSEli Cohen termination_table_raw_traffic)) { 4273613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4274613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 4275613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 4276613f53feSEli Cohen priv->netdev->name, out_dev->name); 4277613f53feSEli Cohen return -EOPNOTSUPP; 4278613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 4279613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4280613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 4281613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 4282613f53feSEli Cohen priv->netdev->name, out_dev->name); 4283613f53feSEli Cohen return -EOPNOTSUPP; 4284613f53feSEli Cohen } 4285613f53feSEli Cohen return 0; 4286613f53feSEli Cohen } 4287613f53feSEli Cohen 428873867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 428973867881SPablo Neira Ayuso struct flow_action *flow_action, 4290e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 429114e6b038SEli Cohen struct netlink_ext_ack *extack, 429214e6b038SEli Cohen struct net_device *filter_dev) 4293a54e20b4SHadar Hen Zion { 429473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 4295bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4296c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 42971d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 429873867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 4299c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4300554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 430184179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 430273867881SPablo Neira Ayuso const struct flow_action_entry *act; 4303c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 43040a7fcb78SPaul Blakey bool encap = false, decap = false; 43050a7fcb78SPaul Blakey u32 action = attr->action; 4306554fe75cSDmytro Linkin int err, i, if_count = 0; 4307f828ca6aSEli Cohen bool mpls_push = false; 430803a9d11eSOr Gerlitz 430973867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 431003a9d11eSOr Gerlitz return -EINVAL; 431103a9d11eSOr Gerlitz 431253eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 431353eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 4314319a1d19SJiri Pirko return -EOPNOTSUPP; 4315319a1d19SJiri Pirko 4316c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4317c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4318c620b772SAriel Levkovich 431973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 432073867881SPablo Neira Ayuso switch (act->id) { 432173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 43221cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 432303a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 432473867881SPablo Neira Ayuso break; 4325f0288210SEli Cohen case FLOW_ACTION_TRAP: 4326f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4327f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4328f0288210SEli Cohen "action trap is supported as a sole action only"); 4329f0288210SEli Cohen return -EOPNOTSUPP; 4330f0288210SEli Cohen } 4331f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4332f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 4333f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 4334f0288210SEli Cohen break; 4335f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 4336f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 4337f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 4338f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 4339f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4340f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 4341f828ca6aSEli Cohen return -EOPNOTSUPP; 4342f828ca6aSEli Cohen } 4343f828ca6aSEli Cohen mpls_push = true; 4344f828ca6aSEli Cohen break; 434514e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 434614e6b038SEli Cohen /* we only support mpls pop if it is the first action 434714e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 434814e6b038SEli Cohen * actions can be pedit and the last can be mirred 434914e6b038SEli Cohen * egress redirect. 435014e6b038SEli Cohen */ 435114e6b038SEli Cohen if (i) { 435214e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 435314e6b038SEli Cohen "mpls pop supported only as first action"); 435414e6b038SEli Cohen return -EOPNOTSUPP; 435514e6b038SEli Cohen } 435614e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 435714e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 435814e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 435914e6b038SEli Cohen return -EOPNOTSUPP; 436014e6b038SEli Cohen } 436114e6b038SEli Cohen 436214e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 436314e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 436414e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 436514e6b038SEli Cohen break; 436673867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 436773867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 436873867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 4369582234b4SEli Cohen parse_attr, hdrs, flow, extack); 4370d7e75a32SOr Gerlitz if (err) 4371d7e75a32SOr Gerlitz return err; 4372d7e75a32SOr Gerlitz 4373582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 43741cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 4375c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4376582234b4SEli Cohen } 437773867881SPablo Neira Ayuso break; 437873867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 43791cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 438073867881SPablo Neira Ayuso act->csum_flags, extack)) 438173867881SPablo Neira Ayuso break; 438226c02749SOr Gerlitz 438326c02749SOr Gerlitz return -EOPNOTSUPP; 438473867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 438573867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 438603a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 4387592d3651SChris Mi struct net_device *out_dev; 438803a9d11eSOr Gerlitz 438973867881SPablo Neira Ayuso out_dev = act->dev; 4390ef381359SOz Shlomo if (!out_dev) { 4391ef381359SOz Shlomo /* out_dev is NULL when filters with 4392ef381359SOz Shlomo * non-existing mirred device are replayed to 4393ef381359SOz Shlomo * the driver. 4394ef381359SOz Shlomo */ 4395ef381359SOz Shlomo return -EINVAL; 4396ef381359SOz Shlomo } 439703a9d11eSOr Gerlitz 4398f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4399f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4400f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4401f828ca6aSEli Cohen return -EOPNOTSUPP; 4402f828ca6aSEli Cohen } 4403f828ca6aSEli Cohen 440484179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 440584179981SPaul Blakey /* Ignore forward to self rules generated 440684179981SPaul Blakey * by adding both mlx5 devs to the flow table 440784179981SPaul Blakey * block on a normal nft offload setup. 440884179981SPaul Blakey */ 440984179981SPaul Blakey return -EOPNOTSUPP; 441084179981SPaul Blakey } 441184179981SPaul Blakey 4412c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4413e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4414e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 44154ccd83f4SRoi Dayan netdev_warn(priv->netdev, 44164ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4417c620b772SAriel Levkovich esw_attr->out_count); 4418592d3651SChris Mi return -EOPNOTSUPP; 4419592d3651SChris Mi } 4420592d3651SChris Mi 4421f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4422f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4423b6a4ac24SVlad Buslov if (encap) { 4424c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 4425b6a4ac24SVlad Buslov out_dev->ifindex; 4426c620b772SAriel Levkovich parse_attr->tun_info[esw_attr->out_count] = dup_tun_info(info); 4427c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 4428b6a4ac24SVlad Buslov return -ENOMEM; 4429b6a4ac24SVlad Buslov encap = false; 4430c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 4431b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4432c620b772SAriel Levkovich esw_attr->out_count++; 4433b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4434b6a4ac24SVlad Buslov * handle encap 4435b6a4ac24SVlad Buslov */ 4436b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 44377ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 44387ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 44397ba58ba7SRabie Loulou 4440554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4441554fe75cSDmytro Linkin out_dev, 4442554fe75cSDmytro Linkin ifindexes, 4443554fe75cSDmytro Linkin if_count, 4444554fe75cSDmytro Linkin extack)) 4445554fe75cSDmytro Linkin return -EOPNOTSUPP; 4446554fe75cSDmytro Linkin 4447554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4448554fe75cSDmytro Linkin if_count++; 4449554fe75cSDmytro Linkin 4450d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4451d34eb2fcSOr Gerlitz if (!out_dev) 4452d34eb2fcSOr Gerlitz return -ENODEV; 44537ba58ba7SRabie Loulou 4454278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4455278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4456278748a9SEli Britstein &out_dev, 4457278748a9SEli Britstein &action); 4458278748a9SEli Britstein if (err) 4459278748a9SEli Britstein return err; 4460278748a9SEli Britstein } 4461f6dc1264SPaul Blakey 446235a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 446335a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 446435a605dbSEli Britstein &action); 446535a605dbSEli Britstein if (err) 446635a605dbSEli Britstein return err; 446735a605dbSEli Britstein } 4468278748a9SEli Britstein 4469613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4470613f53feSEli Cohen if (err) 4471613f53feSEli Cohen return err; 4472ffec9702STonghao Zhang 4473f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4474f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4475f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4476a0646c88SEli Britstein return -EOPNOTSUPP; 4477f6dc1264SPaul Blakey } 4478a0646c88SEli Britstein 447903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 44801d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4481c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 4482c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 4483c620b772SAriel Levkovich esw_attr->out_count++; 4484ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4485ef381359SOz Shlomo /* All mlx5 devices are called to configure 4486ef381359SOz Shlomo * high level device filters. Therefore, the 4487ef381359SOz Shlomo * *attempt* to install a filter on invalid 4488ef381359SOz Shlomo * eswitch should not trigger an explicit error 4489ef381359SOz Shlomo */ 4490ef381359SOz Shlomo return -EINVAL; 4491a54e20b4SHadar Hen Zion } else { 4492e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4493e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 44944ccd83f4SRoi Dayan netdev_warn(priv->netdev, 44954ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 44964ccd83f4SRoi Dayan priv->netdev->name, 44974ccd83f4SRoi Dayan out_dev->name); 4498a54e20b4SHadar Hen Zion return -EINVAL; 4499a54e20b4SHadar Hen Zion } 4500a54e20b4SHadar Hen Zion } 450173867881SPablo Neira Ayuso break; 450273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 450373867881SPablo Neira Ayuso info = act->tunnel; 4504a54e20b4SHadar Hen Zion if (info) 4505a54e20b4SHadar Hen Zion encap = true; 4506a54e20b4SHadar Hen Zion else 4507a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 450803a9d11eSOr Gerlitz 450973867881SPablo Neira Ayuso break; 451073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 451173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 451276b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 451376b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 451476b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 451576b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 451676b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 451776b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 451876b496b1SEli Britstein act, parse_attr, hdrs, 451976b496b1SEli Britstein &action, extack); 452076b496b1SEli Britstein } else { 4521c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 452276b496b1SEli Britstein } 45231482bd3dSJianbo Liu if (err) 45241482bd3dSJianbo Liu return err; 45251482bd3dSJianbo Liu 4526c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 452773867881SPablo Neira Ayuso break; 4528bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4529bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4530bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4531bdc837eeSEli Britstein act, parse_attr, hdrs, 4532bdc837eeSEli Britstein &action, extack); 4533bdc837eeSEli Britstein if (err) 4534bdc837eeSEli Britstein return err; 4535bdc837eeSEli Britstein 4536c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4537bdc837eeSEli Britstein break; 453873867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 45390a7fcb78SPaul Blakey decap = true; 454073867881SPablo Neira Ayuso break; 45412fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 4542c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 45432fbbc30dSEli Cohen extack); 45442fbbc30dSEli Cohen if (err) 45452fbbc30dSEli Cohen return err; 4546bf07aa73SPaul Blakey 4547e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 45482fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 454973867881SPablo Neira Ayuso break; 45504c3844d9SPaul Blakey case FLOW_ACTION_CT: 4551aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 45524c3844d9SPaul Blakey if (err) 45534c3844d9SPaul Blakey return err; 45544c3844d9SPaul Blakey 45554c3844d9SPaul Blakey flow_flag_set(flow, CT); 45564c3844d9SPaul Blakey break; 455773867881SPablo Neira Ayuso default: 45582cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 45592cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 456003a9d11eSOr Gerlitz } 456173867881SPablo Neira Ayuso } 4562bdd66ac0SOr Gerlitz 4563a508728aSVlad Buslov if (decap && esw_attr->rx_tun_attr) { 4564a508728aSVlad Buslov err = mlx5e_tc_tun_route_lookup(priv, &parse_attr->spec, attr); 4565a508728aSVlad Buslov if (err) 4566a508728aSVlad Buslov return err; 4567a508728aSVlad Buslov } 4568a508728aSVlad Buslov 4569a508728aSVlad Buslov /* always set IP version for indirect table handling */ 4570a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4571a508728aSVlad Buslov 45720bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 45730bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 45740bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 45750bac1194SEli Britstein * tag rewrite. 45760bac1194SEli Britstein */ 45770bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 45780bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 45790bac1194SEli Britstein &action, extack); 45800bac1194SEli Britstein if (err) 45810bac1194SEli Britstein return err; 45820bac1194SEli Britstein } 45830bac1194SEli Britstein 4584c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4585c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 458684be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 458727c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4588c500c86bSPablo Neira Ayuso if (err) 4589c500c86bSPablo Neira Ayuso return err; 459027c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 459127c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 459227c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 459327c11b6bSEli Britstein */ 45946ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 459527c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 45966ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 459727c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 459827c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 4599c620b772SAriel Levkovich esw_attr->split_count = 0; 460027c11b6bSEli Britstein } 4601c500c86bSPablo Neira Ayuso } 4602c500c86bSPablo Neira Ayuso 46031cab1cd7SOr Gerlitz attr->action = action; 460473867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4605bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4606bdd66ac0SOr Gerlitz 4607e88afe75SOr Gerlitz if (attr->dest_chain) { 46080a7fcb78SPaul Blakey if (decap) { 46090a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 46100a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 46110a7fcb78SPaul Blakey * this tunnel id with this decap flow. 46120a7fcb78SPaul Blakey * 46130a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 46140a7fcb78SPaul Blakey * device. 46150a7fcb78SPaul Blakey */ 46160a7fcb78SPaul Blakey 46170a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 46180a7fcb78SPaul Blakey "Decap with goto isn't supported"); 46190a7fcb78SPaul Blakey netdev_warn(priv->netdev, 46200a7fcb78SPaul Blakey "Decap with goto isn't supported"); 46210a7fcb78SPaul Blakey return -EOPNOTSUPP; 46220a7fcb78SPaul Blakey } 46230a7fcb78SPaul Blakey 4624e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 462561644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 462661644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4627e88afe75SOr Gerlitz return -EOPNOTSUPP; 4628e88afe75SOr Gerlitz } 4629e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4630e88afe75SOr Gerlitz } 4631e88afe75SOr Gerlitz 4632ae2741e2SVlad Buslov if (!(attr->action & 4633ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 463461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 463561644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4636ae2741e2SVlad Buslov return -EOPNOTSUPP; 4637ae2741e2SVlad Buslov } 4638ae2741e2SVlad Buslov 4639c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4640e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4641e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4642592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4643592d3651SChris Mi return -EOPNOTSUPP; 4644592d3651SChris Mi } 4645592d3651SChris Mi 464631c8eba5SOr Gerlitz return 0; 464703a9d11eSOr Gerlitz } 464803a9d11eSOr Gerlitz 4649226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 465060bd4af8SOr Gerlitz { 4651226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 465260bd4af8SOr Gerlitz 4653226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4654226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4655226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4656226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 465760bd4af8SOr Gerlitz 4658226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4659226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4660226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4661226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 466284179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 466384179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4664d9ee0491SOr Gerlitz 466560bd4af8SOr Gerlitz *flow_flags = __flow_flags; 466660bd4af8SOr Gerlitz } 466760bd4af8SOr Gerlitz 466805866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 466905866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 467005866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 467105866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 467205866c82SOr Gerlitz .automatic_shrinking = true, 467305866c82SOr Gerlitz }; 467405866c82SOr Gerlitz 4675226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4676226f2ca3SVlad Buslov unsigned long flags) 467705866c82SOr Gerlitz { 4678655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4679655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4680655dc3d2SOr Gerlitz 4681226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4682655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4683ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4684d9ee0491SOr Gerlitz } else /* NIC offload */ 468505866c82SOr Gerlitz return &priv->fs.tc.ht; 468605866c82SOr Gerlitz } 468705866c82SOr Gerlitz 468804de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 468904de7ddaSRoi Dayan { 4690c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4691c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4692c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4693226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 46941418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 46951418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4696c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 46971418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 46981418ddd9SAviv Heller 469910fbb1cdSRoi Dayan if (!esw_paired) 470010fbb1cdSRoi Dayan return false; 470110fbb1cdSRoi Dayan 4702c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4703c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 470410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 470510fbb1cdSRoi Dayan return true; 470610fbb1cdSRoi Dayan 470710fbb1cdSRoi Dayan return false; 470804de7ddaSRoi Dayan } 470904de7ddaSRoi Dayan 4710c620b772SAriel Levkovich struct mlx5_flow_attr * 4711c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4712c620b772SAriel Levkovich { 4713c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4714c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4715c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4716c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4717c620b772SAriel Levkovich 4718c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4719c620b772SAriel Levkovich } 4720c620b772SAriel Levkovich 4721a88780a9SRoi Dayan static int 4722a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4723226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4724a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4725a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4726e3a2b7edSAmir Vadai { 472717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4728c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 47293bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4730ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4731ff7ea04aSGustavo A. R. Silva int out_index; 4732776b12b6SOr Gerlitz 4733c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 47341b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4735ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4736ff7ea04aSGustavo A. R. Silva goto err_free; 4737c620b772SAriel Levkovich 4738c620b772SAriel Levkovich flow->flags = flow_flags; 4739c620b772SAriel Levkovich flow->cookie = f->cookie; 4740c620b772SAriel Levkovich flow->priv = priv; 4741c620b772SAriel Levkovich 4742c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4743ff7ea04aSGustavo A. R. Silva if (!attr) 4744e3a2b7edSAmir Vadai goto err_free; 4745ff7ea04aSGustavo A. R. Silva 4746c620b772SAriel Levkovich flow->attr = attr; 4747e3a2b7edSAmir Vadai 47485a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 47495a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 47505a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 475114e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 47525a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 475395435ad7SVlad Buslov init_completion(&flow->init_done); 4754e3a2b7edSAmir Vadai 4755a88780a9SRoi Dayan *__flow = flow; 4756a88780a9SRoi Dayan *__parse_attr = parse_attr; 4757a88780a9SRoi Dayan 4758a88780a9SRoi Dayan return 0; 4759a88780a9SRoi Dayan 4760a88780a9SRoi Dayan err_free: 4761a88780a9SRoi Dayan kfree(flow); 4762a88780a9SRoi Dayan kvfree(parse_attr); 4763a88780a9SRoi Dayan return err; 4764adb4c123SOr Gerlitz } 4765adb4c123SOr Gerlitz 4766988ab9c7STonghao Zhang static void 4767c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4768c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4769c7569097SAriel Levkovich struct flow_cls_offload *f) 4770c7569097SAriel Levkovich { 4771c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4772c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4773c7569097SAriel Levkovich attr->prio = f->common.prio; 4774c7569097SAriel Levkovich } 4775c7569097SAriel Levkovich 4776c7569097SAriel Levkovich static void 4777c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4778988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4779988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4780f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4781988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4782988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4783988ab9c7STonghao Zhang { 4784988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4785c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4786988ab9c7STonghao Zhang 4787c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4788988ab9c7STonghao Zhang 4789988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4790988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4791988ab9c7STonghao Zhang 4792988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4793988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4794988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4795988ab9c7STonghao Zhang else 4796988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4797988ab9c7STonghao Zhang } 4798988ab9c7STonghao Zhang 479971129676SJason Gunthorpe static struct mlx5e_tc_flow * 480004de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4801f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4802226f2ca3SVlad Buslov unsigned long flow_flags, 4803d11afc26SOz Shlomo struct net_device *filter_dev, 480404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 480571129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4806a88780a9SRoi Dayan { 4807f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4808a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4809a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4810a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4811a88780a9SRoi Dayan int attr_size, err; 4812a88780a9SRoi Dayan 4813226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4814a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4815a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4816a88780a9SRoi Dayan &parse_attr, &flow); 4817a88780a9SRoi Dayan if (err) 4818a88780a9SRoi Dayan goto out; 4819988ab9c7STonghao Zhang 4820d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4821c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4822988ab9c7STonghao Zhang priv, parse_attr, 4823988ab9c7STonghao Zhang f, in_rep, in_mdev); 4824988ab9c7STonghao Zhang 482554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 482654c177caSOz Shlomo f, filter_dev); 4827d11afc26SOz Shlomo if (err) 4828d11afc26SOz Shlomo goto err_free; 4829a88780a9SRoi Dayan 48307e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4831aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4832c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4833a88780a9SRoi Dayan if (err) 4834a88780a9SRoi Dayan goto err_free; 4835a88780a9SRoi Dayan 48367e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 48374c3844d9SPaul Blakey if (err) 48384c3844d9SPaul Blakey goto err_free; 48394c3844d9SPaul Blakey 48407040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 484195435ad7SVlad Buslov complete_all(&flow->init_done); 4842ef06c9eeSRoi Dayan if (err) { 4843ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4844aa0cbbaeSOr Gerlitz goto err_free; 48455c40348cSOr Gerlitz 4846b4a23329SRoi Dayan add_unready_flow(flow); 4847ef06c9eeSRoi Dayan } 4848ef06c9eeSRoi Dayan 484971129676SJason Gunthorpe return flow; 4850e3a2b7edSAmir Vadai 4851e3a2b7edSAmir Vadai err_free: 4852e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 48535a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4854a88780a9SRoi Dayan out: 485571129676SJason Gunthorpe return ERR_PTR(err); 4856a88780a9SRoi Dayan } 4857a88780a9SRoi Dayan 4858f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 485995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4860226f2ca3SVlad Buslov unsigned long flow_flags) 486104de7ddaSRoi Dayan { 486204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 486304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4864c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 486504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 486604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 486704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 486804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 486904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 487004de7ddaSRoi Dayan int err = 0; 487104de7ddaSRoi Dayan 487204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 487304de7ddaSRoi Dayan if (!peer_esw) 487404de7ddaSRoi Dayan return -ENODEV; 487504de7ddaSRoi Dayan 487604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 487704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 487804de7ddaSRoi Dayan 487904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 488004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 488104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 488204de7ddaSRoi Dayan * peer mdev. 488304de7ddaSRoi Dayan */ 4884c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 488504de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 488604de7ddaSRoi Dayan else 488704de7ddaSRoi Dayan in_mdev = priv->mdev; 488804de7ddaSRoi Dayan 4889c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 489095dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 489104de7ddaSRoi Dayan parse_attr->filter_dev, 4892c620b772SAriel Levkovich attr->in_rep, in_mdev); 489371129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 489471129676SJason Gunthorpe err = PTR_ERR(peer_flow); 489504de7ddaSRoi Dayan goto out; 489671129676SJason Gunthorpe } 489704de7ddaSRoi Dayan 489804de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4899226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 490004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 490104de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 490204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 490304de7ddaSRoi Dayan 490404de7ddaSRoi Dayan out: 490504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 490604de7ddaSRoi Dayan return err; 490704de7ddaSRoi Dayan } 490804de7ddaSRoi Dayan 490904de7ddaSRoi Dayan static int 491004de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4911f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4912226f2ca3SVlad Buslov unsigned long flow_flags, 491304de7ddaSRoi Dayan struct net_device *filter_dev, 491404de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 491504de7ddaSRoi Dayan { 491604de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 491704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 491804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 491904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 492004de7ddaSRoi Dayan int err; 492104de7ddaSRoi Dayan 492271129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 492371129676SJason Gunthorpe in_mdev); 492471129676SJason Gunthorpe if (IS_ERR(flow)) 492571129676SJason Gunthorpe return PTR_ERR(flow); 492604de7ddaSRoi Dayan 492704de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 492895dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 492904de7ddaSRoi Dayan if (err) { 493004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 493104de7ddaSRoi Dayan goto out; 493204de7ddaSRoi Dayan } 493304de7ddaSRoi Dayan } 493404de7ddaSRoi Dayan 493504de7ddaSRoi Dayan *__flow = flow; 493604de7ddaSRoi Dayan 493704de7ddaSRoi Dayan return 0; 493804de7ddaSRoi Dayan 493904de7ddaSRoi Dayan out: 494004de7ddaSRoi Dayan return err; 494104de7ddaSRoi Dayan } 494204de7ddaSRoi Dayan 4943a88780a9SRoi Dayan static int 4944a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4945f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4946226f2ca3SVlad Buslov unsigned long flow_flags, 4947d11afc26SOz Shlomo struct net_device *filter_dev, 4948a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4949a88780a9SRoi Dayan { 4950f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4951a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4952a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4953a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4954a88780a9SRoi Dayan int attr_size, err; 4955a88780a9SRoi Dayan 4956c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4957bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4958bf07aa73SPaul Blakey return -EOPNOTSUPP; 4959c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4960c7569097SAriel Levkovich return -EOPNOTSUPP; 4961c7569097SAriel Levkovich } 4962bf07aa73SPaul Blakey 4963226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4964a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4965a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4966a88780a9SRoi Dayan &parse_attr, &flow); 4967a88780a9SRoi Dayan if (err) 4968a88780a9SRoi Dayan goto out; 4969a88780a9SRoi Dayan 4970d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4971c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4972c7569097SAriel Levkovich 497354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 497454c177caSOz Shlomo f, filter_dev); 4975d11afc26SOz Shlomo if (err) 4976d11afc26SOz Shlomo goto err_free; 4977d11afc26SOz Shlomo 4978aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4979aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4980aedd133dSAriel Levkovich if (err) 4981aedd133dSAriel Levkovich goto err_free; 4982aedd133dSAriel Levkovich 498373867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4984a88780a9SRoi Dayan if (err) 4985a88780a9SRoi Dayan goto err_free; 4986a88780a9SRoi Dayan 4987a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4988a88780a9SRoi Dayan if (err) 4989a88780a9SRoi Dayan goto err_free; 4990a88780a9SRoi Dayan 4991226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4992a88780a9SRoi Dayan *__flow = flow; 4993a88780a9SRoi Dayan 4994a88780a9SRoi Dayan return 0; 4995a88780a9SRoi Dayan 4996a88780a9SRoi Dayan err_free: 4997e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 49985a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4999a88780a9SRoi Dayan out: 5000a88780a9SRoi Dayan return err; 5001a88780a9SRoi Dayan } 5002a88780a9SRoi Dayan 5003a88780a9SRoi Dayan static int 5004a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 5005f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 5006226f2ca3SVlad Buslov unsigned long flags, 5007d11afc26SOz Shlomo struct net_device *filter_dev, 5008a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 5009a88780a9SRoi Dayan { 5010a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 5011226f2ca3SVlad Buslov unsigned long flow_flags; 5012a88780a9SRoi Dayan int err; 5013a88780a9SRoi Dayan 5014a88780a9SRoi Dayan get_flags(flags, &flow_flags); 5015a88780a9SRoi Dayan 5016bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 5017bf07aa73SPaul Blakey return -EOPNOTSUPP; 5018bf07aa73SPaul Blakey 5019f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 5020d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 5021d11afc26SOz Shlomo filter_dev, flow); 5022a88780a9SRoi Dayan else 5023d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 5024d11afc26SOz Shlomo filter_dev, flow); 5025a88780a9SRoi Dayan 5026a88780a9SRoi Dayan return err; 5027a88780a9SRoi Dayan } 5028a88780a9SRoi Dayan 5029553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 5030553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 5031553f9328SVu Pham { 5032553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 50332fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 50342fb15e72SVlad Buslov * function is called from NIC mode. 5035553f9328SVu Pham */ 50362fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 5037553f9328SVu Pham } 5038553f9328SVu Pham 503971d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 5040226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 5041a88780a9SRoi Dayan { 5042a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 5043d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 5044553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 5045a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 5046a88780a9SRoi Dayan int err = 0; 5047a88780a9SRoi Dayan 5048c5d326b2SVlad Buslov rcu_read_lock(); 5049c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 5050a88780a9SRoi Dayan if (flow) { 5051553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 5052553f9328SVu Pham * just return 0. 5053553f9328SVu Pham */ 5054553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 5055c1aea9e1SVlad Buslov goto rcu_unlock; 5056553f9328SVu Pham 5057a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 5058a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 5059a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 5060a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 5061a88780a9SRoi Dayan f->cookie); 50620e1c1a2fSVlad Buslov err = -EEXIST; 5063c1aea9e1SVlad Buslov goto rcu_unlock; 5064a88780a9SRoi Dayan } 5065c1aea9e1SVlad Buslov rcu_unlock: 5066c1aea9e1SVlad Buslov rcu_read_unlock(); 5067c1aea9e1SVlad Buslov if (flow) 5068c1aea9e1SVlad Buslov goto out; 5069a88780a9SRoi Dayan 50707a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 5071d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 5072a88780a9SRoi Dayan if (err) 5073a88780a9SRoi Dayan goto out; 5074a88780a9SRoi Dayan 5075553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 5076553f9328SVu Pham * set the flow's owner dev. 5077553f9328SVu Pham */ 5078553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 5079553f9328SVu Pham flow->orig_dev = dev; 5080553f9328SVu Pham 5081c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 5082a88780a9SRoi Dayan if (err) 5083a88780a9SRoi Dayan goto err_free; 5084a88780a9SRoi Dayan 5085a88780a9SRoi Dayan return 0; 5086a88780a9SRoi Dayan 5087a88780a9SRoi Dayan err_free: 50885a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 5089a88780a9SRoi Dayan out: 5090e3a2b7edSAmir Vadai return err; 5091e3a2b7edSAmir Vadai } 5092e3a2b7edSAmir Vadai 50938f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 50948f8ae895SOr Gerlitz { 5095226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 5096226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 50978f8ae895SOr Gerlitz 5098226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 5099226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 51008f8ae895SOr Gerlitz } 51018f8ae895SOr Gerlitz 510271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 5103226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 5104e3a2b7edSAmir Vadai { 5105d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 5106e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 5107c5d326b2SVlad Buslov int err; 5108e3a2b7edSAmir Vadai 5109c5d326b2SVlad Buslov rcu_read_lock(); 5110ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 5111c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 5112c5d326b2SVlad Buslov err = -EINVAL; 5113c5d326b2SVlad Buslov goto errout; 5114c5d326b2SVlad Buslov } 5115e3a2b7edSAmir Vadai 5116c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 5117c5d326b2SVlad Buslov * set. 5118c5d326b2SVlad Buslov */ 5119c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 5120c5d326b2SVlad Buslov err = -EINVAL; 5121c5d326b2SVlad Buslov goto errout; 5122c5d326b2SVlad Buslov } 512305866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 5124c5d326b2SVlad Buslov rcu_read_unlock(); 5125e3a2b7edSAmir Vadai 51267a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 51275a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 5128e3a2b7edSAmir Vadai 5129e3a2b7edSAmir Vadai return 0; 5130c5d326b2SVlad Buslov 5131c5d326b2SVlad Buslov errout: 5132c5d326b2SVlad Buslov rcu_read_unlock(); 5133c5d326b2SVlad Buslov return err; 5134e3a2b7edSAmir Vadai } 5135e3a2b7edSAmir Vadai 513671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 5137226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 5138aad7e08dSAmir Vadai { 513904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 5140d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 514104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 5142aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 5143aad7e08dSAmir Vadai struct mlx5_fc *counter; 5144316d5f72SRoi Dayan u64 lastuse = 0; 5145316d5f72SRoi Dayan u64 packets = 0; 5146316d5f72SRoi Dayan u64 bytes = 0; 51475a7e5bcbSVlad Buslov int err = 0; 5148aad7e08dSAmir Vadai 5149c5d326b2SVlad Buslov rcu_read_lock(); 5150c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 51515a7e5bcbSVlad Buslov tc_ht_params)); 5152c5d326b2SVlad Buslov rcu_read_unlock(); 51535a7e5bcbSVlad Buslov if (IS_ERR(flow)) 51545a7e5bcbSVlad Buslov return PTR_ERR(flow); 51555a7e5bcbSVlad Buslov 51565a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 51575a7e5bcbSVlad Buslov err = -EINVAL; 51585a7e5bcbSVlad Buslov goto errout; 51595a7e5bcbSVlad Buslov } 5160aad7e08dSAmir Vadai 51614c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 5162b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 5163aad7e08dSAmir Vadai if (!counter) 51645a7e5bcbSVlad Buslov goto errout; 5165aad7e08dSAmir Vadai 5166aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 5167316d5f72SRoi Dayan } 5168aad7e08dSAmir Vadai 5169316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 5170316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 5171316d5f72SRoi Dayan */ 517204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 517304de7ddaSRoi Dayan if (!peer_esw) 517404de7ddaSRoi Dayan goto out; 517504de7ddaSRoi Dayan 5176226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 5177226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 517804de7ddaSRoi Dayan u64 bytes2; 517904de7ddaSRoi Dayan u64 packets2; 518004de7ddaSRoi Dayan u64 lastuse2; 518104de7ddaSRoi Dayan 518204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 5183316d5f72SRoi Dayan if (!counter) 5184316d5f72SRoi Dayan goto no_peer_counter; 518504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 518604de7ddaSRoi Dayan 518704de7ddaSRoi Dayan bytes += bytes2; 518804de7ddaSRoi Dayan packets += packets2; 518904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 519004de7ddaSRoi Dayan } 519104de7ddaSRoi Dayan 5192316d5f72SRoi Dayan no_peer_counter: 519304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 519404de7ddaSRoi Dayan out: 51954b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 519693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 51977a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 51985a7e5bcbSVlad Buslov errout: 51995a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 52005a7e5bcbSVlad Buslov return err; 5201aad7e08dSAmir Vadai } 5202aad7e08dSAmir Vadai 52031fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 5204fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5205fcb64c0fSEli Cohen { 5206fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5207fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 52081fe3e316SParav Pandit u32 rate_mbps = 0; 5209fcb64c0fSEli Cohen u16 vport_num; 5210fcb64c0fSEli Cohen int err; 5211fcb64c0fSEli Cohen 5212e401a184SEli Cohen vport_num = rpriv->rep->vport; 5213e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 5214e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 5215e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 5216e401a184SEli Cohen return -EOPNOTSUPP; 5217e401a184SEli Cohen } 5218e401a184SEli Cohen 5219fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 5220fcb64c0fSEli Cohen /* rate is given in bytes/sec. 5221fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 5222fcb64c0fSEli Cohen * mbit means million bits. 5223fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 5224fcb64c0fSEli Cohen * 1 mbit/sec. 5225fcb64c0fSEli Cohen */ 52261fe3e316SParav Pandit if (rate) { 52271fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 52281fe3e316SParav Pandit rate_mbps = max_t(u32, do_div(rate, 1000000), 1); 52291fe3e316SParav Pandit } 52301fe3e316SParav Pandit 5231fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 5232fcb64c0fSEli Cohen if (err) 5233fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5234fcb64c0fSEli Cohen 5235fcb64c0fSEli Cohen return err; 5236fcb64c0fSEli Cohen } 5237fcb64c0fSEli Cohen 5238fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5239fcb64c0fSEli Cohen struct flow_action *flow_action, 5240fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5241fcb64c0fSEli Cohen { 5242fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5243fcb64c0fSEli Cohen const struct flow_action_entry *act; 5244fcb64c0fSEli Cohen int err; 5245fcb64c0fSEli Cohen int i; 5246fcb64c0fSEli Cohen 5247fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5248fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5249fcb64c0fSEli Cohen return -EINVAL; 5250fcb64c0fSEli Cohen } 5251fcb64c0fSEli Cohen 5252fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5253fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5254fcb64c0fSEli Cohen return -EOPNOTSUPP; 5255fcb64c0fSEli Cohen } 5256fcb64c0fSEli Cohen 525753eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 5258319a1d19SJiri Pirko return -EOPNOTSUPP; 5259319a1d19SJiri Pirko 5260fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5261fcb64c0fSEli Cohen switch (act->id) { 5262fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 5263fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5264fcb64c0fSEli Cohen if (err) 5265fcb64c0fSEli Cohen return err; 5266fcb64c0fSEli Cohen 5267fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5268fcb64c0fSEli Cohen break; 5269fcb64c0fSEli Cohen default: 5270fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5271fcb64c0fSEli Cohen return -EOPNOTSUPP; 5272fcb64c0fSEli Cohen } 5273fcb64c0fSEli Cohen } 5274fcb64c0fSEli Cohen 5275fcb64c0fSEli Cohen return 0; 5276fcb64c0fSEli Cohen } 5277fcb64c0fSEli Cohen 5278fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5279fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5280fcb64c0fSEli Cohen { 5281b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 5282fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5283fcb64c0fSEli Cohen 5284b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 5285b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 5286b5f814ccSEli Cohen return -EOPNOTSUPP; 5287b5f814ccSEli Cohen } 5288b5f814ccSEli Cohen 52897b83355fSEli Cohen if (ma->common.prio != 1) { 5290fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5291fcb64c0fSEli Cohen return -EINVAL; 5292fcb64c0fSEli Cohen } 5293fcb64c0fSEli Cohen 5294fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5295fcb64c0fSEli Cohen } 5296fcb64c0fSEli Cohen 5297fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5298fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5299fcb64c0fSEli Cohen { 5300fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5301fcb64c0fSEli Cohen 5302fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5303fcb64c0fSEli Cohen } 5304fcb64c0fSEli Cohen 5305fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5306fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5307fcb64c0fSEli Cohen { 5308fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5309fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5310fcb64c0fSEli Cohen u64 dbytes; 5311fcb64c0fSEli Cohen u64 dpkts; 5312fcb64c0fSEli Cohen 5313fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5314fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5315fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5316fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 53174b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 531893a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5319fcb64c0fSEli Cohen } 5320fcb64c0fSEli Cohen 53214d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 53224d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 53234d8fcf21SAlaa Hleihel { 53244d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5325db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5326db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 53274d8fcf21SAlaa Hleihel u16 peer_vhca_id; 53284d8fcf21SAlaa Hleihel int bkt; 53294d8fcf21SAlaa Hleihel 53304d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 53314d8fcf21SAlaa Hleihel return; 53324d8fcf21SAlaa Hleihel 53334d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 53344d8fcf21SAlaa Hleihel 5335b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 5336db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 5337db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5338db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5339b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 5340db76ca24SVlad Buslov 5341db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5342db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5343db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5344db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 5345db76ca24SVlad Buslov 5346db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5347db76ca24SVlad Buslov } 53484d8fcf21SAlaa Hleihel } 53494d8fcf21SAlaa Hleihel 53504d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 53514d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 53524d8fcf21SAlaa Hleihel { 53534d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 53544d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 53554d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 53564d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 53574d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 53584d8fcf21SAlaa Hleihel 53594d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 53604d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 53614d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 53624d8fcf21SAlaa Hleihel return NOTIFY_DONE; 53634d8fcf21SAlaa Hleihel 53644d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 53654d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 53664d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 53674d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 53684d8fcf21SAlaa Hleihel if (priv == peer_priv || 53694d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 53704d8fcf21SAlaa Hleihel return NOTIFY_DONE; 53714d8fcf21SAlaa Hleihel 53724d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 53734d8fcf21SAlaa Hleihel 53744d8fcf21SAlaa Hleihel return NOTIFY_DONE; 53754d8fcf21SAlaa Hleihel } 53764d8fcf21SAlaa Hleihel 53776a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 53786a064674SAriel Levkovich { 53796a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 53806a064674SAriel Levkovich u32 max_flow_counter; 53816a064674SAriel Levkovich 53826a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 53836a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 53846a064674SAriel Levkovich 53856a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 53866a064674SAriel Levkovich 53876a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 53886a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 53896a064674SAriel Levkovich 53906a064674SAriel Levkovich return tc_tbl_size; 53916a064674SAriel Levkovich } 53926a064674SAriel Levkovich 5393655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5394e8f887acSAmir Vadai { 5395acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 53966a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 53976a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 53984d8fcf21SAlaa Hleihel int err; 5399e8f887acSAmir Vadai 5400b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5401b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5402b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 54035c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 540411c9c548SOr Gerlitz 54054d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 54064d8fcf21SAlaa Hleihel if (err) 54074d8fcf21SAlaa Hleihel return err; 54084d8fcf21SAlaa Hleihel 54099ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 54109ba33339SRoi Dayan 5411c7569097SAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 5412c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5413c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 5414c7569097SAriel Levkovich attr.max_restore_tag = MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5415c7569097SAriel Levkovich } 54166a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 54176a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 54186a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 54196a064674SAriel Levkovich attr.default_ft = priv->fs.vlan.ft.t; 54206a064674SAriel Levkovich 54216a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 54226a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 54236a064674SAriel Levkovich err = PTR_ERR(tc->chains); 54246a064674SAriel Levkovich goto err_chains; 54256a064674SAriel Levkovich } 54266a064674SAriel Levkovich 5427aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 5428aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_KERNEL); 542968ec32daSWang Hai if (IS_ERR(tc->ct)) { 543068ec32daSWang Hai err = PTR_ERR(tc->ct); 5431aedd133dSAriel Levkovich goto err_ct; 543268ec32daSWang Hai } 5433aedd133dSAriel Levkovich 54344d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5435d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5436d48834f9SJiri Pirko &tc->netdevice_nb, 5437d48834f9SJiri Pirko &tc->netdevice_nn); 5438d48834f9SJiri Pirko if (err) { 54394d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 54404d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 54416a064674SAriel Levkovich goto err_reg; 54424d8fcf21SAlaa Hleihel } 54434d8fcf21SAlaa Hleihel 54446a064674SAriel Levkovich return 0; 54456a064674SAriel Levkovich 54466a064674SAriel Levkovich err_reg: 5447aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5448aedd133dSAriel Levkovich err_ct: 54496a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 54506a064674SAriel Levkovich err_chains: 54516a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 54524d8fcf21SAlaa Hleihel return err; 5453e8f887acSAmir Vadai } 5454e8f887acSAmir Vadai 5455e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5456e8f887acSAmir Vadai { 5457e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5458655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5459e8f887acSAmir Vadai 5460961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5461e8f887acSAmir Vadai kfree(flow); 5462e8f887acSAmir Vadai } 5463e8f887acSAmir Vadai 5464655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5465e8f887acSAmir Vadai { 5466acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5467e8f887acSAmir Vadai 54684d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5469d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5470d48834f9SJiri Pirko &tc->netdevice_nb, 5471d48834f9SJiri Pirko &tc->netdevice_nn); 54724d8fcf21SAlaa Hleihel 5473b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5474b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5475b32accdaSVlad Buslov 54766a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5477e8f887acSAmir Vadai 5478acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 54796a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5480acff797cSMaor Gottlieb tc->t = NULL; 5481e8f887acSAmir Vadai } 5482b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 54836a064674SAriel Levkovich 5484aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 54856a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 5486e8f887acSAmir Vadai } 5487655dc3d2SOr Gerlitz 5488655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5489655dc3d2SOr Gerlitz { 5490d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 54910a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 5492aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 54930a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5494aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5495aedd133dSAriel Levkovich struct mlx5e_priv *priv; 5496aedd133dSAriel Levkovich int err = 0; 54970a7fcb78SPaul Blakey 54980a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5499aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5500aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5501aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 55020a7fcb78SPaul Blakey 5503aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5504aedd133dSAriel Levkovich esw_chains(esw), 5505aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5506aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_FDB); 5507aedd133dSAriel Levkovich if (IS_ERR(uplink_priv->ct_priv)) 55084c3844d9SPaul Blakey goto err_ct; 55094c3844d9SPaul Blakey 55100a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 55110a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 55120a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 55130a7fcb78SPaul Blakey err = PTR_ERR(mapping); 55140a7fcb78SPaul Blakey goto err_tun_mapping; 55150a7fcb78SPaul Blakey } 55160a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 55170a7fcb78SPaul Blakey 55180a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 55190a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 55200a7fcb78SPaul Blakey err = PTR_ERR(mapping); 55210a7fcb78SPaul Blakey goto err_enc_opts_mapping; 55220a7fcb78SPaul Blakey } 55230a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 55240a7fcb78SPaul Blakey 55250a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 55260a7fcb78SPaul Blakey if (err) 55270a7fcb78SPaul Blakey goto err_ht_init; 55280a7fcb78SPaul Blakey 55299ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 55309ba33339SRoi Dayan 55310a7fcb78SPaul Blakey return err; 55320a7fcb78SPaul Blakey 55330a7fcb78SPaul Blakey err_ht_init: 55340a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 55350a7fcb78SPaul Blakey err_enc_opts_mapping: 55360a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 55370a7fcb78SPaul Blakey err_tun_mapping: 5538aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 55394c3844d9SPaul Blakey err_ct: 55400a7fcb78SPaul Blakey netdev_warn(priv->netdev, 55410a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 55420a7fcb78SPaul Blakey return err; 5543655dc3d2SOr Gerlitz } 5544655dc3d2SOr Gerlitz 5545655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5546655dc3d2SOr Gerlitz { 55470a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 55480a7fcb78SPaul Blakey 5549655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 55500a7fcb78SPaul Blakey 55510a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5552aedd133dSAriel Levkovich 55530a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 55540a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 55554c3844d9SPaul Blakey 5556aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5557655dc3d2SOr Gerlitz } 555801252a27SOr Gerlitz 5559226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 556001252a27SOr Gerlitz { 5561d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 556201252a27SOr Gerlitz 556301252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 556401252a27SOr Gerlitz } 556504de7ddaSRoi Dayan 556604de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 556704de7ddaSRoi Dayan { 556804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 556904de7ddaSRoi Dayan 557004de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 557104de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 557204de7ddaSRoi Dayan } 5573b4a23329SRoi Dayan 5574b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5575b4a23329SRoi Dayan { 5576b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5577b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5578b4a23329SRoi Dayan reoffload_flows_work); 5579b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5580b4a23329SRoi Dayan 5581ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5582b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5583b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5584ad86755bSVlad Buslov unready_flow_del(flow); 5585b4a23329SRoi Dayan } 5586ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5587b4a23329SRoi Dayan } 5588e2394a61SVlad Buslov 5589e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5590e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5591e2394a61SVlad Buslov unsigned long flags) 5592e2394a61SVlad Buslov { 5593e2394a61SVlad Buslov switch (cls_flower->command) { 5594e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5595e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5596e2394a61SVlad Buslov flags); 5597e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5598e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5599e2394a61SVlad Buslov flags); 5600e2394a61SVlad Buslov case FLOW_CLS_STATS: 5601e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5602e2394a61SVlad Buslov flags); 5603e2394a61SVlad Buslov default: 5604e2394a61SVlad Buslov return -EOPNOTSUPP; 5605e2394a61SVlad Buslov } 5606e2394a61SVlad Buslov } 5607e2394a61SVlad Buslov 5608e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5609e2394a61SVlad Buslov void *cb_priv) 5610e2394a61SVlad Buslov { 5611e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5612e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5613e2394a61SVlad Buslov 5614e2394a61SVlad Buslov switch (type) { 5615e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5616e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5617e2394a61SVlad Buslov default: 5618e2394a61SVlad Buslov return -EOPNOTSUPP; 5619e2394a61SVlad Buslov } 5620e2394a61SVlad Buslov } 5621c7569097SAriel Levkovich 5622c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5623c7569097SAriel Levkovich struct sk_buff *skb) 5624c7569097SAriel Levkovich { 5625c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5626aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5627c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5628aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5629c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5630c7569097SAriel Levkovich int err; 5631c7569097SAriel Levkovich 5632c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5633c7569097SAriel Levkovich 5634c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5635c7569097SAriel Levkovich 5636c7569097SAriel Levkovich err = mlx5_get_chain_for_tag(nic_chains(priv), chain_tag, &chain); 5637c7569097SAriel Levkovich if (err) { 5638c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5639c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5640c7569097SAriel Levkovich chain_tag, err); 5641c7569097SAriel Levkovich return false; 5642c7569097SAriel Levkovich } 5643c7569097SAriel Levkovich 5644c7569097SAriel Levkovich if (chain) { 5645c7569097SAriel Levkovich tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); 5646c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5647c7569097SAriel Levkovich return false; 5648c7569097SAriel Levkovich 5649c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5650aedd133dSAriel Levkovich 5651aedd133dSAriel Levkovich zone_restore_id = (reg_b >> REG_MAPPING_SHIFT(NIC_ZONE_RESTORE_TO_REG)) & 5652*48d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5653aedd133dSAriel Levkovich 5654aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5655aedd133dSAriel Levkovich zone_restore_id)) 5656aedd133dSAriel Levkovich return false; 5657c7569097SAriel Levkovich } 5658c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5659c7569097SAriel Levkovich 5660c7569097SAriel Levkovich return true; 5661c7569097SAriel Levkovich } 5662