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 }, 1680a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1690a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 170d12f4521SPaul Blakey .moffset = 1, 171d12f4521SPaul Blakey .mlen = 3, 1720a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1730a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1740a7fcb78SPaul Blakey }, 1754c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 176a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1774c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1784c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1794c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1804c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 181c7569097SAriel Levkovich /* For NIC rules we store the retore metadata directly 182c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 183c7569097SAriel Levkovich * jump between steering domains. 184c7569097SAriel Levkovich */ 185c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 186c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 187c7569097SAriel Levkovich .moffset = 0, 188c7569097SAriel Levkovich .mlen = 2, 189c7569097SAriel Levkovich }, 190aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1918f1e0b97SPaul Blakey }; 1928f1e0b97SPaul Blakey 1930a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1940a7fcb78SPaul Blakey 1950a7fcb78SPaul Blakey void 1960a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1970a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1980a7fcb78SPaul Blakey u32 data, 1990a7fcb78SPaul Blakey u32 mask) 2000a7fcb78SPaul Blakey { 2010a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2020a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2030a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2040a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2050a7fcb78SPaul Blakey void *fmask, *fval; 2060a7fcb78SPaul Blakey 2070a7fcb78SPaul Blakey fmask = headers_c + soffset; 2080a7fcb78SPaul Blakey fval = headers_v + soffset; 2090a7fcb78SPaul Blakey 21058ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 21158ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 2120a7fcb78SPaul Blakey 2130a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2140a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2150a7fcb78SPaul Blakey 2160a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2170a7fcb78SPaul Blakey } 2180a7fcb78SPaul Blakey 2197e36feebSPaul Blakey void 2207e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2217e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 2227e36feebSPaul Blakey u32 *data, 2237e36feebSPaul Blakey u32 *mask) 2247e36feebSPaul Blakey { 2257e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2267e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2277e36feebSPaul Blakey void *headers_c = spec->match_criteria; 2287e36feebSPaul Blakey void *headers_v = spec->match_value; 2297e36feebSPaul Blakey void *fmask, *fval; 2307e36feebSPaul Blakey 2317e36feebSPaul Blakey fmask = headers_c + soffset; 2327e36feebSPaul Blakey fval = headers_v + soffset; 2337e36feebSPaul Blakey 2347e36feebSPaul Blakey memcpy(mask, fmask, match_len); 2357e36feebSPaul Blakey memcpy(data, fval, match_len); 2367e36feebSPaul Blakey 2377e36feebSPaul Blakey *mask = be32_to_cpu((__force __be32)(*mask << (32 - (match_len * 8)))); 2387e36feebSPaul Blakey *data = be32_to_cpu((__force __be32)(*data << (32 - (match_len * 8)))); 2397e36feebSPaul Blakey } 2407e36feebSPaul Blakey 2410a7fcb78SPaul Blakey int 2420a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2430a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 244aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2450a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2460a7fcb78SPaul Blakey u32 data) 2470a7fcb78SPaul Blakey { 2480a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2490a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2500a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2510a7fcb78SPaul Blakey char *modact; 2520a7fcb78SPaul Blakey int err; 2530a7fcb78SPaul Blakey 254aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 2550a7fcb78SPaul Blakey if (err) 2560a7fcb78SPaul Blakey return err; 2570a7fcb78SPaul Blakey 2580a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2590a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2600a7fcb78SPaul Blakey 2610a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2620a7fcb78SPaul Blakey if (mlen == 4) 2630a7fcb78SPaul Blakey mlen = 0; 2640a7fcb78SPaul Blakey 2650a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2660a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2670a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2680a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2690a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2700a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2710a7fcb78SPaul Blakey 2720a7fcb78SPaul Blakey return 0; 2730a7fcb78SPaul Blakey } 2740a7fcb78SPaul Blakey 275aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 276aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 277aedd133dSAriel Levkovich { 278aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 279aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 280aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 281aedd133dSAriel Levkovich 282e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 283aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 284aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 285aedd133dSAriel Levkovich 286aedd133dSAriel Levkovich return uplink_priv->ct_priv; 287aedd133dSAriel Levkovich } 288aedd133dSAriel Levkovich 289aedd133dSAriel Levkovich return priv->fs.tc.ct; 290aedd133dSAriel Levkovich } 291aedd133dSAriel Levkovich 292aedd133dSAriel Levkovich struct mlx5_flow_handle * 293aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 294aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 295aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 296aedd133dSAriel Levkovich { 297aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 298aedd133dSAriel Levkovich 299e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 300aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 301aedd133dSAriel Levkovich 302aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 303aedd133dSAriel Levkovich } 304aedd133dSAriel Levkovich 305aedd133dSAriel Levkovich void 306aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 307aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 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 mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 314aedd133dSAriel Levkovich 315aedd133dSAriel Levkovich return; 316aedd133dSAriel Levkovich } 317aedd133dSAriel Levkovich 318aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 319aedd133dSAriel Levkovich } 320aedd133dSAriel Levkovich 32177ab67b7SOr Gerlitz struct mlx5e_hairpin { 32277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 32377ab67b7SOr Gerlitz 32477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3253f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 32677ab67b7SOr Gerlitz u32 tdn; 32777ab67b7SOr Gerlitz u32 tirn; 3283f6d08d1SOr Gerlitz 3293f6d08d1SOr Gerlitz int num_channels; 3303f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 3313f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 3323f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 33377ab67b7SOr Gerlitz }; 33477ab67b7SOr Gerlitz 3355c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3365c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3375c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3385c65c564SOr Gerlitz 33973edca73SVlad Buslov /* protects flows list */ 34073edca73SVlad Buslov spinlock_t flows_lock; 3415c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3425c65c564SOr Gerlitz struct list_head flows; 343db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 344db76ca24SVlad Buslov * function traversed them. 345db76ca24SVlad Buslov */ 346db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3475c65c564SOr Gerlitz 348d8822868SOr Gerlitz u16 peer_vhca_id; 349106be53bSOr Gerlitz u8 prio; 3505c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 351e4f9abbdSVlad Buslov refcount_t refcnt; 352db76ca24SVlad Buslov struct completion res_ready; 3535c65c564SOr Gerlitz }; 3545c65c564SOr Gerlitz 3555a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3565a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3575a7e5bcbSVlad Buslov 3585a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3595a7e5bcbSVlad Buslov { 3605a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3615a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3625a7e5bcbSVlad Buslov return flow; 3635a7e5bcbSVlad Buslov } 3645a7e5bcbSVlad Buslov 3655a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3665a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3675a7e5bcbSVlad Buslov { 3685a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3695a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 370c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3715a7e5bcbSVlad Buslov } 3725a7e5bcbSVlad Buslov } 3735a7e5bcbSVlad Buslov 374226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 375226f2ca3SVlad Buslov { 376226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 377226f2ca3SVlad Buslov smp_mb__before_atomic(); 378226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 379226f2ca3SVlad Buslov } 380226f2ca3SVlad Buslov 381226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 382226f2ca3SVlad Buslov 383c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 384c5d326b2SVlad Buslov unsigned long flag) 385c5d326b2SVlad Buslov { 386c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 387c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 388c5d326b2SVlad Buslov } 389c5d326b2SVlad Buslov 390c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 391c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 392c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 393c5d326b2SVlad Buslov 394226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 395226f2ca3SVlad Buslov { 396226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 397226f2ca3SVlad Buslov smp_mb__before_atomic(); 398226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 399226f2ca3SVlad Buslov } 400226f2ca3SVlad Buslov 401226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 402226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 403226f2ca3SVlad Buslov 404226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 405226f2ca3SVlad Buslov { 406226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 407226f2ca3SVlad Buslov 408226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 409226f2ca3SVlad Buslov smp_mb__after_atomic(); 410226f2ca3SVlad Buslov return ret; 411226f2ca3SVlad Buslov } 412226f2ca3SVlad Buslov 413226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 414226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 415226f2ca3SVlad Buslov 416aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 417226f2ca3SVlad Buslov { 418226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 419226f2ca3SVlad Buslov } 420226f2ca3SVlad Buslov 42184179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 42284179981SPaul Blakey { 42384179981SPaul Blakey return flow_flag_test(flow, FT); 42484179981SPaul Blakey } 42584179981SPaul Blakey 426226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 427226f2ca3SVlad Buslov { 428226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 429226f2ca3SVlad Buslov } 430226f2ca3SVlad Buslov 431d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 432d2faae25SVlad Buslov { 433d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 434d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 435d2faae25SVlad Buslov } 436b2fdf3d0SPaul Blakey 437b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 438b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 439b2fdf3d0SPaul Blakey { 440b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 441b2fdf3d0SPaul Blakey 442b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 443b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 444b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 445b2fdf3d0SPaul Blakey } 446b2fdf3d0SPaul Blakey 44711c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 44811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 44911c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 45011c9c548SOr Gerlitz { 451b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 452b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 45311c9c548SOr Gerlitz 454b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 455b2fdf3d0SPaul Blakey get_flow_name_space(flow), 456b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 457b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 458b2fdf3d0SPaul Blakey return PTR_ERR(mh); 45911c9c548SOr Gerlitz 460b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 461c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 462b2fdf3d0SPaul Blakey flow->mh = mh; 46311c9c548SOr Gerlitz 46411c9c548SOr Gerlitz return 0; 46511c9c548SOr Gerlitz } 46611c9c548SOr Gerlitz 46711c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 46811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 46911c9c548SOr Gerlitz { 4705a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 471dd58edc3SVlad Buslov if (!flow->mh) 4725a7e5bcbSVlad Buslov return; 4735a7e5bcbSVlad Buslov 474b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 475b2fdf3d0SPaul Blakey flow->mh); 476dd58edc3SVlad Buslov flow->mh = NULL; 47711c9c548SOr Gerlitz } 47811c9c548SOr Gerlitz 47977ab67b7SOr Gerlitz static 48077ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 48177ab67b7SOr Gerlitz { 48277ab67b7SOr Gerlitz struct net_device *netdev; 48377ab67b7SOr Gerlitz struct mlx5e_priv *priv; 48477ab67b7SOr Gerlitz 48577ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 48677ab67b7SOr Gerlitz priv = netdev_priv(netdev); 48777ab67b7SOr Gerlitz return priv->mdev; 48877ab67b7SOr Gerlitz } 48977ab67b7SOr Gerlitz 49077ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 49177ab67b7SOr Gerlitz { 492e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 49377ab67b7SOr Gerlitz void *tirc; 49477ab67b7SOr Gerlitz int err; 49577ab67b7SOr Gerlitz 49677ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 49777ab67b7SOr Gerlitz if (err) 49877ab67b7SOr Gerlitz goto alloc_tdn_err; 49977ab67b7SOr Gerlitz 50077ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 50177ab67b7SOr Gerlitz 50277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 503ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 50477ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 50577ab67b7SOr Gerlitz 506e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 50777ab67b7SOr Gerlitz if (err) 50877ab67b7SOr Gerlitz goto create_tir_err; 50977ab67b7SOr Gerlitz 51077ab67b7SOr Gerlitz return 0; 51177ab67b7SOr Gerlitz 51277ab67b7SOr Gerlitz create_tir_err: 51377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 51477ab67b7SOr Gerlitz alloc_tdn_err: 51577ab67b7SOr Gerlitz return err; 51677ab67b7SOr Gerlitz } 51777ab67b7SOr Gerlitz 51877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 51977ab67b7SOr Gerlitz { 52077ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 52177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 52277ab67b7SOr Gerlitz } 52377ab67b7SOr Gerlitz 5243f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5253f6d08d1SOr Gerlitz { 5263f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5273f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5283f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5293f6d08d1SOr Gerlitz 5303f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5313f6d08d1SOr Gerlitz hp->num_channels); 5323f6d08d1SOr Gerlitz 5333f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5343f6d08d1SOr Gerlitz ix = i; 535bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5363f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5373f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5383f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5393f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5403f6d08d1SOr Gerlitz } 5413f6d08d1SOr Gerlitz } 5423f6d08d1SOr Gerlitz 5433f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5443f6d08d1SOr Gerlitz { 5453f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5463f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5473f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5483f6d08d1SOr Gerlitz void *rqtc; 5493f6d08d1SOr Gerlitz u32 *in; 5503f6d08d1SOr Gerlitz 5513f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5523f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5533f6d08d1SOr Gerlitz if (!in) 5543f6d08d1SOr Gerlitz return -ENOMEM; 5553f6d08d1SOr Gerlitz 5563f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5573f6d08d1SOr Gerlitz 5583f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5593f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5603f6d08d1SOr Gerlitz 5613f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5623f6d08d1SOr Gerlitz 5633f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5643f6d08d1SOr Gerlitz if (!err) 5653f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5663f6d08d1SOr Gerlitz 5673f6d08d1SOr Gerlitz kvfree(in); 5683f6d08d1SOr Gerlitz return err; 5693f6d08d1SOr Gerlitz } 5703f6d08d1SOr Gerlitz 5713f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5723f6d08d1SOr Gerlitz { 5733f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5743f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5753f6d08d1SOr Gerlitz int tt, i, err; 5763f6d08d1SOr Gerlitz void *tirc; 5773f6d08d1SOr Gerlitz 5783f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 579d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 580d930ac79SAya Levin 5813f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5823f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5833f6d08d1SOr Gerlitz 5843f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5853f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5863f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 587bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 588bbeb53b8SAya Levin 5893f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 590e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 5913f6d08d1SOr Gerlitz if (err) { 5923f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5933f6d08d1SOr Gerlitz goto err_destroy_tirs; 5943f6d08d1SOr Gerlitz } 5953f6d08d1SOr Gerlitz } 5963f6d08d1SOr Gerlitz return 0; 5973f6d08d1SOr Gerlitz 5983f6d08d1SOr Gerlitz err_destroy_tirs: 5993f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6003f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6013f6d08d1SOr Gerlitz return err; 6023f6d08d1SOr Gerlitz } 6033f6d08d1SOr Gerlitz 6043f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6053f6d08d1SOr Gerlitz { 6063f6d08d1SOr Gerlitz int tt; 6073f6d08d1SOr Gerlitz 6083f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6093f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6103f6d08d1SOr Gerlitz } 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6133f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6143f6d08d1SOr Gerlitz { 6153f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6163f6d08d1SOr Gerlitz int tt; 6173f6d08d1SOr Gerlitz 6183f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6233f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6243f6d08d1SOr Gerlitz 6256412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6263f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6273f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6283f6d08d1SOr Gerlitz } 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6313f6d08d1SOr Gerlitz { 6323f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6333f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6343f6d08d1SOr Gerlitz int err; 6353f6d08d1SOr Gerlitz 6363f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6373f6d08d1SOr Gerlitz if (err) 6383f6d08d1SOr Gerlitz return err; 6393f6d08d1SOr Gerlitz 6403f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6413f6d08d1SOr Gerlitz if (err) 6423f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6433f6d08d1SOr Gerlitz 6443f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6453f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6463f6d08d1SOr Gerlitz if (err) 6473f6d08d1SOr Gerlitz goto err_create_ttc_table; 6483f6d08d1SOr Gerlitz 6493f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6503f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6513f6d08d1SOr Gerlitz 6523f6d08d1SOr Gerlitz return 0; 6533f6d08d1SOr Gerlitz 6543f6d08d1SOr Gerlitz err_create_ttc_table: 6553f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6563f6d08d1SOr Gerlitz err_create_indirect_tirs: 6573f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6583f6d08d1SOr Gerlitz 6593f6d08d1SOr Gerlitz return err; 6603f6d08d1SOr Gerlitz } 6613f6d08d1SOr Gerlitz 6623f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6633f6d08d1SOr Gerlitz { 6643f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6653f6d08d1SOr Gerlitz 6663f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6673f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6683f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6693f6d08d1SOr Gerlitz } 6703f6d08d1SOr Gerlitz 67177ab67b7SOr Gerlitz static struct mlx5e_hairpin * 67277ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 67377ab67b7SOr Gerlitz int peer_ifindex) 67477ab67b7SOr Gerlitz { 67577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 67677ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 67777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 67877ab67b7SOr Gerlitz int err; 67977ab67b7SOr Gerlitz 68077ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 68177ab67b7SOr Gerlitz if (!hp) 68277ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 68377ab67b7SOr Gerlitz 68477ab67b7SOr Gerlitz func_mdev = priv->mdev; 68577ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 68677ab67b7SOr Gerlitz 68777ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 68877ab67b7SOr Gerlitz if (IS_ERR(pair)) { 68977ab67b7SOr Gerlitz err = PTR_ERR(pair); 69077ab67b7SOr Gerlitz goto create_pair_err; 69177ab67b7SOr Gerlitz } 69277ab67b7SOr Gerlitz hp->pair = pair; 69377ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6943f6d08d1SOr Gerlitz hp->func_priv = priv; 6953f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 69677ab67b7SOr Gerlitz 69777ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 69877ab67b7SOr Gerlitz if (err) 69977ab67b7SOr Gerlitz goto create_transport_err; 70077ab67b7SOr Gerlitz 7013f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7023f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7033f6d08d1SOr Gerlitz if (err) 7043f6d08d1SOr Gerlitz goto rss_init_err; 7053f6d08d1SOr Gerlitz } 7063f6d08d1SOr Gerlitz 70777ab67b7SOr Gerlitz return hp; 70877ab67b7SOr Gerlitz 7093f6d08d1SOr Gerlitz rss_init_err: 7103f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71177ab67b7SOr Gerlitz create_transport_err: 71277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71377ab67b7SOr Gerlitz create_pair_err: 71477ab67b7SOr Gerlitz kfree(hp); 71577ab67b7SOr Gerlitz return ERR_PTR(err); 71677ab67b7SOr Gerlitz } 71777ab67b7SOr Gerlitz 71877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 71977ab67b7SOr Gerlitz { 7203f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7213f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 72277ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 72377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 72477ab67b7SOr Gerlitz kvfree(hp); 72577ab67b7SOr Gerlitz } 72677ab67b7SOr Gerlitz 727106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 728106be53bSOr Gerlitz { 729106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 730106be53bSOr Gerlitz } 731106be53bSOr Gerlitz 7325c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 733106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7345c65c564SOr Gerlitz { 7355c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 736106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7375c65c564SOr Gerlitz 7385c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 739106be53bSOr Gerlitz hairpin_hlist, hash_key) { 740e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 741e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7425c65c564SOr Gerlitz return hpe; 7435c65c564SOr Gerlitz } 744e4f9abbdSVlad Buslov } 7455c65c564SOr Gerlitz 7465c65c564SOr Gerlitz return NULL; 7475c65c564SOr Gerlitz } 7485c65c564SOr Gerlitz 749e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 750e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 751e4f9abbdSVlad Buslov { 752e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 753b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 754e4f9abbdSVlad Buslov return; 755b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 756b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 757e4f9abbdSVlad Buslov 758db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 759e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 760e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 761e4f9abbdSVlad Buslov 762e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 763db76ca24SVlad Buslov } 764db76ca24SVlad Buslov 765db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 766e4f9abbdSVlad Buslov kfree(hpe); 767e4f9abbdSVlad Buslov } 768e4f9abbdSVlad Buslov 769106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 770106be53bSOr Gerlitz 771106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 772e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 773e98bedf5SEli Britstein struct netlink_ext_ack *extack) 774106be53bSOr Gerlitz { 775106be53bSOr Gerlitz void *headers_c, *headers_v; 776106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 777106be53bSOr Gerlitz bool vlan_present; 778106be53bSOr Gerlitz 779106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 780106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 781e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 782e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 783106be53bSOr Gerlitz return -EOPNOTSUPP; 784106be53bSOr Gerlitz } 785106be53bSOr Gerlitz #endif 786106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 787106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 788106be53bSOr Gerlitz 789106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 790106be53bSOr Gerlitz if (vlan_present) { 791106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 792106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 793106be53bSOr Gerlitz } 794106be53bSOr Gerlitz 795106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 796106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 797106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 798e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 799e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 800106be53bSOr Gerlitz return -EOPNOTSUPP; 801106be53bSOr Gerlitz } 802106be53bSOr Gerlitz 803106be53bSOr Gerlitz *match_prio = prio_val; 804106be53bSOr Gerlitz return 0; 805106be53bSOr Gerlitz } 806106be53bSOr Gerlitz 8075c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8085c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 809e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 810e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8115c65c564SOr Gerlitz { 81298b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8135c65c564SOr Gerlitz struct mlx5_hairpin_params params; 814d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8155c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8165c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8173f6d08d1SOr Gerlitz u64 link_speed64; 8183f6d08d1SOr Gerlitz u32 link_speed; 819106be53bSOr Gerlitz u8 match_prio; 820d8822868SOr Gerlitz u16 peer_id; 8215c65c564SOr Gerlitz int err; 8225c65c564SOr Gerlitz 823d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 824d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 825e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8265c65c564SOr Gerlitz return -EOPNOTSUPP; 8275c65c564SOr Gerlitz } 8285c65c564SOr Gerlitz 829d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 830e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 831e98bedf5SEli Britstein extack); 832106be53bSOr Gerlitz if (err) 833106be53bSOr Gerlitz return err; 834b32accdaSVlad Buslov 835b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 836106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 837db76ca24SVlad Buslov if (hpe) { 838db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 839db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 840db76ca24SVlad Buslov 841db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 842db76ca24SVlad Buslov err = -EREMOTEIO; 843db76ca24SVlad Buslov goto out_err; 844db76ca24SVlad Buslov } 8455c65c564SOr Gerlitz goto attach_flow; 846db76ca24SVlad Buslov } 8475c65c564SOr Gerlitz 8485c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 849b32accdaSVlad Buslov if (!hpe) { 850db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 851db76ca24SVlad Buslov return -ENOMEM; 852b32accdaSVlad Buslov } 8535c65c564SOr Gerlitz 85473edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8555c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 856db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 857d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 858106be53bSOr Gerlitz hpe->prio = match_prio; 859e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 860db76ca24SVlad Buslov init_completion(&hpe->res_ready); 861db76ca24SVlad Buslov 862db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 863db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 864db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8655c65c564SOr Gerlitz 8665c65c564SOr Gerlitz params.log_data_size = 15; 8675c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8685c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8695c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8705c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8715c65c564SOr Gerlitz 872eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 873eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 874eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 875eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 876eb9180f7SOr Gerlitz 877eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8783f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8792c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8803f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8813f6d08d1SOr Gerlitz link_speed64 = link_speed; 8823f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8833f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8843f6d08d1SOr Gerlitz 8855c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 886db76ca24SVlad Buslov hpe->hp = hp; 887db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8885c65c564SOr Gerlitz if (IS_ERR(hp)) { 8895c65c564SOr Gerlitz err = PTR_ERR(hp); 890db76ca24SVlad Buslov goto out_err; 8915c65c564SOr Gerlitz } 8925c65c564SOr Gerlitz 893eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 89427b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 89527b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 896eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8975c65c564SOr Gerlitz 8985c65c564SOr Gerlitz attach_flow: 8993f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 900226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 901c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9023f6d08d1SOr Gerlitz } else { 903c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_tirn = hpe->hp->tirn; 9043f6d08d1SOr Gerlitz } 905b32accdaSVlad Buslov 906e4f9abbdSVlad Buslov flow->hpe = hpe; 90773edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9085c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 90973edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9103f6d08d1SOr Gerlitz 9115c65c564SOr Gerlitz return 0; 9125c65c564SOr Gerlitz 913db76ca24SVlad Buslov out_err: 914db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9155c65c564SOr Gerlitz return err; 9165c65c564SOr Gerlitz } 9175c65c564SOr Gerlitz 9185c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9195c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9205c65c564SOr Gerlitz { 9215a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 922e4f9abbdSVlad Buslov if (!flow->hpe) 9235a7e5bcbSVlad Buslov return; 9245a7e5bcbSVlad Buslov 92573edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9265c65c564SOr Gerlitz list_del(&flow->hairpin); 92773edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 92873edca73SVlad Buslov 929e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 930e4f9abbdSVlad Buslov flow->hpe = NULL; 9315c65c564SOr Gerlitz } 9325c65c564SOr Gerlitz 93308247066SAriel Levkovich struct mlx5_flow_handle * 93408247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 93508247066SAriel Levkovich struct mlx5_flow_spec *spec, 936c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 937e8f887acSAmir Vadai { 93808247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 939c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 940c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9416a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9425c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 94366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9443bc4b7bfSOr Gerlitz .action = attr->action, 945bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 94666958ed9SHadar Hen Zion }; 94708247066SAriel Levkovich struct mlx5_flow_handle *rule; 948c7569097SAriel Levkovich struct mlx5_flow_table *ft; 94908247066SAriel Levkovich int dest_ix = 0; 950e8f887acSAmir Vadai 951bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 952c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 953bb0ee7dcSJianbo Liu 954aedd133dSAriel Levkovich if (attr->dest_ft) { 955aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 956aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 957aedd133dSAriel Levkovich dest_ix++; 958aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9593f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 960c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 96108247066SAriel Levkovich dest_ix++; 962c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9635c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 964c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9653f6d08d1SOr Gerlitz dest_ix++; 9663f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9675c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 968c7569097SAriel Levkovich if (attr->dest_chain) { 969c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 970c7569097SAriel Levkovich attr->dest_chain, 1, 971c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 972c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 973c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 974c7569097SAriel Levkovich } else { 9755c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 976c7569097SAriel Levkovich } 9775c65c564SOr Gerlitz dest_ix++; 9785c65c564SOr Gerlitz } 979aad7e08dSAmir Vadai 980c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 981c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 982c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 983c7569097SAriel Levkovich 98408247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9855c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 98608247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9875c65c564SOr Gerlitz dest_ix++; 988aad7e08dSAmir Vadai } 989aad7e08dSAmir Vadai 99008247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9912b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9922f4fe4caSOr Gerlitz 9936a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9946a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9956a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9966a064674SAriel Levkovich tc->t = 997c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 99821b9c144SOr Gerlitz 9996a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10006a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1001e8f887acSAmir Vadai netdev_err(priv->netdev, 1002e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1003c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1004c7569097SAriel Levkovich goto err_ft_get; 1005e8f887acSAmir Vadai } 1006e8f887acSAmir Vadai } 100708247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1008e8f887acSAmir Vadai 1009aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1010c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1011c7569097SAriel Levkovich attr->chain, attr->prio, 1012c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1013aedd133dSAriel Levkovich else 1014aedd133dSAriel Levkovich ft = attr->ft; 1015aedd133dSAriel Levkovich 1016c7569097SAriel Levkovich if (IS_ERR(ft)) { 1017c7569097SAriel Levkovich rule = ERR_CAST(ft); 1018c7569097SAriel Levkovich goto err_ft_get; 1019c7569097SAriel Levkovich } 1020c7569097SAriel Levkovich 1021c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 102208247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 102338aa51c1SOr Gerlitz 1024c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10255c65c564SOr Gerlitz &flow_act, dest, dest_ix); 102608247066SAriel Levkovich if (IS_ERR(rule)) 1027c7569097SAriel Levkovich goto err_rule; 102808247066SAriel Levkovich 102908247066SAriel Levkovich return rule; 1030c7569097SAriel Levkovich 1031c7569097SAriel Levkovich err_rule: 1032aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1033c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1034c7569097SAriel Levkovich attr->chain, attr->prio, 1035c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1036c7569097SAriel Levkovich err_ft_get: 1037c7569097SAriel Levkovich if (attr->dest_chain) 1038c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1039c7569097SAriel Levkovich attr->dest_chain, 1, 1040c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1041c7569097SAriel Levkovich 1042c7569097SAriel Levkovich return ERR_CAST(rule); 104308247066SAriel Levkovich } 104408247066SAriel Levkovich 104508247066SAriel Levkovich static int 104608247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 104708247066SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 104808247066SAriel Levkovich struct mlx5e_tc_flow *flow, 104908247066SAriel Levkovich struct netlink_ext_ack *extack) 105008247066SAriel Levkovich { 1051c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 105208247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 105308247066SAriel Levkovich struct mlx5_fc *counter = NULL; 105408247066SAriel Levkovich int err; 105508247066SAriel Levkovich 105608247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 105708247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 105808247066SAriel Levkovich if (err) 105908247066SAriel Levkovich return err; 106008247066SAriel Levkovich } 106108247066SAriel Levkovich 106208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 106308247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 106408247066SAriel Levkovich if (IS_ERR(counter)) 106508247066SAriel Levkovich return PTR_ERR(counter); 106608247066SAriel Levkovich 106708247066SAriel Levkovich attr->counter = counter; 106808247066SAriel Levkovich } 106908247066SAriel Levkovich 107008247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 107108247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 107208247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 107308247066SAriel Levkovich if (err) 107408247066SAriel Levkovich return err; 107508247066SAriel Levkovich } 107608247066SAriel Levkovich 1077aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1078aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1079aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1080aedd133dSAriel Levkovich else 108108247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108208247066SAriel Levkovich attr); 1083e8f887acSAmir Vadai 1084a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1085e8f887acSAmir Vadai } 1086e8f887acSAmir Vadai 108708247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1088c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1089c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 109008247066SAriel Levkovich { 1091c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1092c7569097SAriel Levkovich 109308247066SAriel Levkovich mlx5_del_flow_rules(rule); 1094c7569097SAriel Levkovich 1095aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1096c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1097c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1098c7569097SAriel Levkovich 1099c7569097SAriel Levkovich if (attr->dest_chain) 1100c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1101c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110208247066SAriel Levkovich } 110308247066SAriel Levkovich 1104d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1105d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1106d85cdccbSOr Gerlitz { 1107c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11086a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1109d85cdccbSOr Gerlitz 1110c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1111c7569097SAriel Levkovich 1112aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1113aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1114aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1115aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1116aedd133dSAriel Levkovich 1117c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1118c7569097SAriel Levkovich * extra steering hops. 1119c7569097SAriel Levkovich */ 1120b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11216a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11226a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11236a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1124d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1125d85cdccbSOr Gerlitz } 1126b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11272f4fe4caSOr Gerlitz 1128aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1129aedd133dSAriel Levkovich 1130513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11313099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11325c65c564SOr Gerlitz 1133aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1134aedd133dSAriel Levkovich 1135226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11365c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1137c620b772SAriel Levkovich 1138c620b772SAriel Levkovich kfree(flow->attr); 1139d85cdccbSOr Gerlitz } 1140d85cdccbSOr Gerlitz 1141aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11428c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1143aa0cbbaeSOr Gerlitz 11443c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1145e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1146733d4f36SRoi Dayan struct net_device *mirred_dev, 1147733d4f36SRoi Dayan int out_index, 11488c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11490ad060eeSRoi Dayan struct net_device **encap_dev, 11500ad060eeSRoi Dayan bool *encap_valid); 115114e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 115214e6b038SEli Cohen struct mlx5e_tc_flow *flow, 115314e6b038SEli Cohen struct netlink_ext_ack *extack); 115414e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 115514e6b038SEli Cohen struct mlx5e_tc_flow *flow); 11563c37745eSOr Gerlitz 11576d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11586d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11596d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11606d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1161c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11626d2a3ed0SOr Gerlitz { 11631ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11646d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11654c3844d9SPaul Blakey 1166*89e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 1167*89e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 1168*89e39467SPaul Blakey 11691ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11701ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11711ef3018fSPaul Blakey 1172aedd133dSAriel Levkovich return mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1173aedd133dSAriel Levkovich flow, spec, attr, 11741ef3018fSPaul Blakey mod_hdr_acts); 11751ef3018fSPaul Blakey } 11766d2a3ed0SOr Gerlitz 11776d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11786d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11796d2a3ed0SOr Gerlitz return rule; 11806d2a3ed0SOr Gerlitz 1181c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11826d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11836d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11846d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11856d2a3ed0SOr Gerlitz return flow->rule[1]; 11866d2a3ed0SOr Gerlitz } 11876d2a3ed0SOr Gerlitz } 11886d2a3ed0SOr Gerlitz 11896d2a3ed0SOr Gerlitz return rule; 11906d2a3ed0SOr Gerlitz } 11916d2a3ed0SOr Gerlitz 11926d2a3ed0SOr Gerlitz static void 11936d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11946d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1195c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11966d2a3ed0SOr Gerlitz { 1197226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11986d2a3ed0SOr Gerlitz 1199*89e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 1200*89e39467SPaul Blakey goto offload_rule_0; 1201*89e39467SPaul Blakey 12024c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1203aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 12044c3844d9SPaul Blakey return; 12054c3844d9SPaul Blakey } 12064c3844d9SPaul Blakey 1207c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12086d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12096d2a3ed0SOr Gerlitz 1210*89e39467SPaul Blakey offload_rule_0: 12116d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12126d2a3ed0SOr Gerlitz } 12136d2a3ed0SOr Gerlitz 12145dbe906fSPaul Blakey static struct mlx5_flow_handle * 12155dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12165dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1217178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12185dbe906fSPaul Blakey { 1219c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12205dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12215dbe906fSPaul Blakey 1222c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1223c620b772SAriel Levkovich if (!slow_attr) 1224c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12255dbe906fSPaul Blakey 1226c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1227c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1228c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1229c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1230c620b772SAriel Levkovich 1231c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12325dbe906fSPaul Blakey if (!IS_ERR(rule)) 1233226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12345dbe906fSPaul Blakey 1235c620b772SAriel Levkovich kfree(slow_attr); 1236c620b772SAriel Levkovich 12375dbe906fSPaul Blakey return rule; 12385dbe906fSPaul Blakey } 12395dbe906fSPaul Blakey 12405dbe906fSPaul Blakey static void 12415dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1242178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12435dbe906fSPaul Blakey { 1244c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1245178f69b4SEli Cohen 1246c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12475efbe617SAriel Levkovich if (!slow_attr) { 12485efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12495efbe617SAriel Levkovich return; 12505efbe617SAriel Levkovich } 1251c620b772SAriel Levkovich 1252c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1253c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1254c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1255c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1256c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1257226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1258c620b772SAriel Levkovich kfree(slow_attr); 12595dbe906fSPaul Blakey } 12605dbe906fSPaul Blakey 1261ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1262ad86755bSVlad Buslov * function. 1263ad86755bSVlad Buslov */ 1264ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1265ad86755bSVlad Buslov struct list_head *unready_flows) 1266ad86755bSVlad Buslov { 1267ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1268ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1269ad86755bSVlad Buslov } 1270ad86755bSVlad Buslov 1271ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1272ad86755bSVlad Buslov * function. 1273ad86755bSVlad Buslov */ 1274ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1275ad86755bSVlad Buslov { 1276ad86755bSVlad Buslov list_del(&flow->unready); 1277ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1278ad86755bSVlad Buslov } 1279ad86755bSVlad Buslov 1280b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1281b4a23329SRoi Dayan { 1282b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1283b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1284b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1285b4a23329SRoi Dayan 1286b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1287b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1288b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1289b4a23329SRoi Dayan 1290ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1291ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1292ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1293b4a23329SRoi Dayan } 1294b4a23329SRoi Dayan 1295b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1296b4a23329SRoi Dayan { 1297ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1298ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1299ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1300ad86755bSVlad Buslov 1301ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1302ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1303ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1304ad86755bSVlad Buslov 1305ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1306ad86755bSVlad Buslov unready_flow_del(flow); 1307ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1308b4a23329SRoi Dayan } 1309b4a23329SRoi Dayan 1310c83954abSRabie Loulou static int 131174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1312e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1313e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1314adb4c123SOr Gerlitz { 1315adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13163c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1317c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1318c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1319c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 1320b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 13213c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13223c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 13230ad060eeSRoi Dayan bool encap_valid = true; 132439ac237cSPaul Blakey u32 max_prio, max_chain; 13250ad060eeSRoi Dayan int err = 0; 1326f493f155SEli Britstein int out_index; 13278b32580dSOr Gerlitz 1328ae430332SAriel Levkovich if (!mlx5_chains_prios_supported(esw_chains(esw)) && attr->prio != 1) { 132961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 133061644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1331d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1332d14f6f2aSOr Gerlitz } 1333e52c2802SPaul Blakey 133484179981SPaul Blakey /* We check chain range only for tc flows. 133584179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 133684179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 133784179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 133884179981SPaul Blakey */ 1339ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 134084179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 134161644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 134261644c3dSRoi Dayan "Requested chain is out of supported range"); 13435a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1344bf07aa73SPaul Blakey } 1345bf07aa73SPaul Blakey 1346ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1347bf07aa73SPaul Blakey if (attr->prio > max_prio) { 134861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 134961644c3dSRoi Dayan "Requested priority is out of supported range"); 13505a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1351bf07aa73SPaul Blakey } 1352bf07aa73SPaul Blakey 135314e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 135414e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 135514e6b038SEli Cohen if (err) 135614e6b038SEli Cohen return err; 135714e6b038SEli Cohen } 135814e6b038SEli Cohen 1359c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1360c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1361c620b772SAriel Levkovich 1362f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13638c4dc42bSEli Britstein int mirred_ifindex; 13648c4dc42bSEli Britstein 1365c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1366f493f155SEli Britstein continue; 1367f493f155SEli Britstein 13687040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13693c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13708c4dc42bSEli Britstein mirred_ifindex); 1371733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13720ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13730ad060eeSRoi Dayan if (err) 13745a7e5bcbSVlad Buslov return err; 13750ad060eeSRoi Dayan 13763c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13773c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1378c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1379c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 13803c37745eSOr Gerlitz } 13813c37745eSOr Gerlitz 13828b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1383c83954abSRabie Loulou if (err) 13845a7e5bcbSVlad Buslov return err; 1385adb4c123SOr Gerlitz 1386d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1387d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 13881a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 13896ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1390c83954abSRabie Loulou if (err) 13915a7e5bcbSVlad Buslov return err; 1392d7e75a32SOr Gerlitz } 1393d7e75a32SOr Gerlitz 1394b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1395c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 13965a7e5bcbSVlad Buslov if (IS_ERR(counter)) 13975a7e5bcbSVlad Buslov return PTR_ERR(counter); 1398b8aee822SMark Bloch 1399b8aee822SMark Bloch attr->counter = counter; 1400b8aee822SMark Bloch } 1401b8aee822SMark Bloch 14020ad060eeSRoi Dayan /* we get here if one of the following takes place: 14030ad060eeSRoi Dayan * (1) there's no error 14040ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 14053c37745eSOr Gerlitz */ 1406bc1d75faSRoi Dayan if (!encap_valid) 1407178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1408bc1d75faSRoi Dayan else 14096d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 14105dbe906fSPaul Blakey 14115a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 14125a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1413226f2ca3SVlad Buslov else 1414226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1415c83954abSRabie Loulou 14165dbe906fSPaul Blakey return 0; 1417aa0cbbaeSOr Gerlitz } 1418d85cdccbSOr Gerlitz 14199272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 14209272e3dfSYevgeny Kliteynik { 1421c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 14229272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 14239272e3dfSYevgeny Kliteynik spec->match_value, 14249272e3dfSYevgeny Kliteynik misc_parameters_3); 14259272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 14269272e3dfSYevgeny Kliteynik headers_v, 14279272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 14289272e3dfSYevgeny Kliteynik 14299272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 14309272e3dfSYevgeny Kliteynik } 14319272e3dfSYevgeny Kliteynik 1432d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1433d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1434d85cdccbSOr Gerlitz { 1435d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1436c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1437f493f155SEli Britstein int out_index; 1438d85cdccbSOr Gerlitz 14390a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 14400a7fcb78SPaul Blakey 144112a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1442b4a23329SRoi Dayan remove_unready_flow(flow); 1443ef06c9eeSRoi Dayan 1444226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1445226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1446178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14475dbe906fSPaul Blakey else 14485dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14495dbe906fSPaul Blakey } 1450d85cdccbSOr Gerlitz 14519272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14529272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14539272e3dfSYevgeny Kliteynik 1454513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1455d85cdccbSOr Gerlitz 1456f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 1457c620b772SAriel Levkovich if (attr->esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14588c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14592a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14602a4b6526SVlad Buslov } 1461f493f155SEli Britstein kvfree(attr->parse_attr); 1462d7e75a32SOr Gerlitz 1463aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 14644c8594adSRoi Dayan 1465513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14661a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1467b8aee822SMark Bloch 1468b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1469c620b772SAriel Levkovich mlx5_fc_destroy(attr->esw_attr->counter_dev, attr->counter); 147014e6b038SEli Cohen 147114e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 147214e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1473c620b772SAriel Levkovich 1474c620b772SAriel Levkovich kfree(flow->attr); 1475d85cdccbSOr Gerlitz } 1476d85cdccbSOr Gerlitz 1477232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 14782a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14792a1f1768SVlad Buslov struct list_head *flow_list) 1480232c0013SHadar Hen Zion { 14813c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1482178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 14836d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 1484c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 14856d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1486232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1487232c0013SHadar Hen Zion int err; 1488232c0013SHadar Hen Zion 14892b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 149054c177caSOz Shlomo e->reformat_type, 1491232c0013SHadar Hen Zion e->encap_size, e->encap_header, 14922b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 14932b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 14942b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 14952b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1496232c0013SHadar Hen Zion return; 1497232c0013SHadar Hen Zion } 1498232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1499f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1500232c0013SHadar Hen Zion 15012a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 15028c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 15038c4dc42bSEli Britstein int i; 15048c4dc42bSEli Britstein 150595435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 150695435ad7SVlad Buslov continue; 1507c620b772SAriel Levkovich attr = flow->attr; 1508c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1509c620b772SAriel Levkovich spec = &attr->parse_attr->spec; 15106d2a3ed0SOr Gerlitz 15112b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 15122a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 15138c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 15148c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 15158c4dc42bSEli Britstein * a valid neighbour. 15168c4dc42bSEli Britstein */ 15178c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 15188c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 15198c4dc42bSEli Britstein continue; 15208c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 15218c4dc42bSEli Britstein all_flow_encaps_valid = false; 15228c4dc42bSEli Britstein break; 15238c4dc42bSEli Britstein } 15248c4dc42bSEli Britstein } 15258c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 15268c4dc42bSEli Britstein if (!all_flow_encaps_valid) 15272a1f1768SVlad Buslov continue; 15285dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 1529c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, attr); 15306d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 15316d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1532232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1533232c0013SHadar Hen Zion err); 15342a1f1768SVlad Buslov continue; 1535232c0013SHadar Hen Zion } 15365dbe906fSPaul Blakey 1537178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15386d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1539226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1540226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1541232c0013SHadar Hen Zion } 1542232c0013SHadar Hen Zion } 1543232c0013SHadar Hen Zion 1544232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 15452a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 15462a1f1768SVlad Buslov struct list_head *flow_list) 1547232c0013SHadar Hen Zion { 15483c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1549c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 15505dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 1551c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 15525dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1553232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 15545dbe906fSPaul Blakey int err; 1555232c0013SHadar Hen Zion 15562a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 155795435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 155895435ad7SVlad Buslov continue; 1559c620b772SAriel Levkovich attr = flow->attr; 1560c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1561c620b772SAriel Levkovich spec = &attr->parse_attr->spec; 15625dbe906fSPaul Blakey 15635dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1564178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 15658c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 1566c620b772SAriel Levkovich esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 15675dbe906fSPaul Blakey 15685dbe906fSPaul Blakey if (IS_ERR(rule)) { 15695dbe906fSPaul Blakey err = PTR_ERR(rule); 15705dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 15715dbe906fSPaul Blakey err); 15722a1f1768SVlad Buslov continue; 15735dbe906fSPaul Blakey } 15745dbe906fSPaul Blakey 1575c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15765dbe906fSPaul Blakey flow->rule[0] = rule; 1577226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1578226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1579232c0013SHadar Hen Zion } 1580232c0013SHadar Hen Zion 158161c806daSOr Gerlitz /* we know that the encap is valid */ 1582232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 15832b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1584232c0013SHadar Hen Zion } 1585232c0013SHadar Hen Zion 1586b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1587b8aee822SMark Bloch { 1588c620b772SAriel Levkovich return flow->attr->counter; 1589b8aee822SMark Bloch } 1590b8aee822SMark Bloch 15912a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 15922a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 15932a1f1768SVlad Buslov */ 15942a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 15952a1f1768SVlad Buslov { 15962a1f1768SVlad Buslov struct encap_flow_item *efi; 15972a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 15982a1f1768SVlad Buslov 15992a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 16002a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 16012a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16022a1f1768SVlad Buslov continue; 160395435ad7SVlad Buslov wait_for_completion(&flow->init_done); 16042a1f1768SVlad Buslov 16052a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 16062a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 16072a1f1768SVlad Buslov } 16082a1f1768SVlad Buslov } 16092a1f1768SVlad Buslov 16106a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 16112a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16126a06c2f7SVlad Buslov { 16136a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16146a06c2f7SVlad Buslov 16156a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16166a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16176a06c2f7SVlad Buslov } 16186a06c2f7SVlad Buslov 1619ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1620ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1621ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1622ac0d9176SVlad Buslov { 1623ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1624ac0d9176SVlad Buslov 1625ac0d9176SVlad Buslov retry: 1626ac0d9176SVlad Buslov rcu_read_lock(); 1627ac0d9176SVlad Buslov 1628ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1629ac0d9176SVlad Buslov for (next = e ? 1630ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1631ac0d9176SVlad Buslov &e->encap_list, 1632ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1633ac0d9176SVlad Buslov encap_list) : 1634ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1635ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1636ac0d9176SVlad Buslov encap_list); 1637ac0d9176SVlad Buslov next; 1638ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1639ac0d9176SVlad Buslov &next->encap_list, 1640ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1641ac0d9176SVlad Buslov encap_list)) 1642ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1643ac0d9176SVlad Buslov break; 1644ac0d9176SVlad Buslov 1645ac0d9176SVlad Buslov rcu_read_unlock(); 1646ac0d9176SVlad Buslov 1647ac0d9176SVlad Buslov /* release starting encap */ 1648ac0d9176SVlad Buslov if (e) 1649ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1650ac0d9176SVlad Buslov if (!next) 1651ac0d9176SVlad Buslov return next; 1652ac0d9176SVlad Buslov 1653ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1654ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1655ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1656ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1657ac0d9176SVlad Buslov e = next; 1658ac0d9176SVlad Buslov goto retry; 1659ac0d9176SVlad Buslov } 1660ac0d9176SVlad Buslov 1661ac0d9176SVlad Buslov return next; 1662ac0d9176SVlad Buslov } 1663ac0d9176SVlad Buslov 1664f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1665f6dfb4c3SHadar Hen Zion { 1666f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1667ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1668f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1669f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1670f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1671f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1672f6dfb4c3SHadar Hen Zion struct neighbour *n; 167390bb7692SAriel Levkovich u64 lastuse; 1674f6dfb4c3SHadar Hen Zion 1675f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1676f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1677f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1678f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 16795cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1680f6dfb4c3SHadar Hen Zion #endif 1681f6dfb4c3SHadar Hen Zion else 1682f6dfb4c3SHadar Hen Zion return; 1683f6dfb4c3SHadar Hen Zion 1684ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1685ac0d9176SVlad Buslov * next one. 1686ac0d9176SVlad Buslov */ 1687ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 16886a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 16895a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 16906a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 16916a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1692948993f2SVlad Buslov 16936a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 16946a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 16955a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 169679baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 169779baaec7SEli Britstein encaps[efi->index]); 16985a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16995a7e5bcbSVlad Buslov continue; 17006a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 17015a7e5bcbSVlad Buslov 1702226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1703b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 170490bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1705f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1706f6dfb4c3SHadar Hen Zion neigh_used = true; 1707f6dfb4c3SHadar Hen Zion break; 1708f6dfb4c3SHadar Hen Zion } 1709f6dfb4c3SHadar Hen Zion } 1710f6dfb4c3SHadar Hen Zion } 17116a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1712948993f2SVlad Buslov 17136a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1714ac0d9176SVlad Buslov if (neigh_used) { 1715ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 17166a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1717e36d4810SRoi Dayan break; 1718f6dfb4c3SHadar Hen Zion } 1719ac0d9176SVlad Buslov } 1720f6dfb4c3SHadar Hen Zion 1721c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1722c786fe59SVlad Buslov 1723f6dfb4c3SHadar Hen Zion if (neigh_used) { 1724f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1725f6dfb4c3SHadar Hen Zion 1726f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1727f6dfb4c3SHadar Hen Zion * dst ip pair 1728f6dfb4c3SHadar Hen Zion */ 1729f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1730c7f7ba8dSRoi Dayan if (!n) 1731f6dfb4c3SHadar Hen Zion return; 1732f6dfb4c3SHadar Hen Zion 1733f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1734f6dfb4c3SHadar Hen Zion neigh_release(n); 1735f6dfb4c3SHadar Hen Zion } 1736f6dfb4c3SHadar Hen Zion } 1737f6dfb4c3SHadar Hen Zion 173861086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1739d85cdccbSOr Gerlitz { 1740948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 17413c140dd5SVlad Buslov 17423c140dd5SVlad Buslov if (e->compl_result > 0) { 1743232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1744232c0013SHadar Hen Zion 1745232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 17462b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 17473c140dd5SVlad Buslov } 1748232c0013SHadar Hen Zion 17492a4b6526SVlad Buslov kfree(e->tun_info); 1750232c0013SHadar Hen Zion kfree(e->encap_header); 1751ac0d9176SVlad Buslov kfree_rcu(e, rcu); 17525067b602SRoi Dayan } 1753948993f2SVlad Buslov 175414e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 175514e6b038SEli Cohen struct mlx5e_decap_entry *d) 175614e6b038SEli Cohen { 175714e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 175814e6b038SEli Cohen 175914e6b038SEli Cohen if (!d->compl_result) 176014e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 176114e6b038SEli Cohen 176214e6b038SEli Cohen kfree_rcu(d, rcu); 176314e6b038SEli Cohen } 176414e6b038SEli Cohen 176561086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 176661086f39SVlad Buslov { 176761086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 176861086f39SVlad Buslov 176961086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 177061086f39SVlad Buslov return; 177161086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 177261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 177361086f39SVlad Buslov 177461086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 177561086f39SVlad Buslov } 177661086f39SVlad Buslov 177714e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 177814e6b038SEli Cohen { 177914e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 178014e6b038SEli Cohen 178114e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 178214e6b038SEli Cohen return; 178314e6b038SEli Cohen hash_del_rcu(&d->hlist); 178414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 178514e6b038SEli Cohen 178614e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 178714e6b038SEli Cohen } 178814e6b038SEli Cohen 1789948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1790948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1791948993f2SVlad Buslov { 179261086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 179361086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 179461086f39SVlad Buslov 1795948993f2SVlad Buslov /* flow wasn't fully initialized */ 179661086f39SVlad Buslov if (!e) 1797948993f2SVlad Buslov return; 1798948993f2SVlad Buslov 179961086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1800948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1801948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 180261086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 180361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 180461086f39SVlad Buslov return; 180561086f39SVlad Buslov } 180661086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 180761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 180861086f39SVlad Buslov 180961086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 18105067b602SRoi Dayan } 18115067b602SRoi Dayan 181214e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 181314e6b038SEli Cohen struct mlx5e_tc_flow *flow) 181414e6b038SEli Cohen { 181514e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 181614e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 181714e6b038SEli Cohen 181814e6b038SEli Cohen if (!d) 181914e6b038SEli Cohen return; 182014e6b038SEli Cohen 182114e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 182214e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 182314e6b038SEli Cohen flow->decap_reformat = NULL; 182414e6b038SEli Cohen 182514e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 182614e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 182714e6b038SEli Cohen return; 182814e6b038SEli Cohen } 182914e6b038SEli Cohen hash_del_rcu(&d->hlist); 183014e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 183114e6b038SEli Cohen 183214e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 183314e6b038SEli Cohen } 183414e6b038SEli Cohen 183504de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 183604de7ddaSRoi Dayan { 183704de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 183804de7ddaSRoi Dayan 1839226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1840226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 184104de7ddaSRoi Dayan return; 184204de7ddaSRoi Dayan 184304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 184404de7ddaSRoi Dayan list_del(&flow->peer); 184504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 184604de7ddaSRoi Dayan 1847226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 184804de7ddaSRoi Dayan 1849eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 185004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1851a23dae79SRoi Dayan kfree(flow->peer_flow); 1852eb252c3aSRoi Dayan } 1853eb252c3aSRoi Dayan 185404de7ddaSRoi Dayan flow->peer_flow = NULL; 185504de7ddaSRoi Dayan } 185604de7ddaSRoi Dayan 185704de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 185804de7ddaSRoi Dayan { 185904de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 186004de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 186104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 186204de7ddaSRoi Dayan 186304de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 186404de7ddaSRoi Dayan if (!peer_esw) 186504de7ddaSRoi Dayan return; 186604de7ddaSRoi Dayan 186704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 186804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 186904de7ddaSRoi Dayan } 187004de7ddaSRoi Dayan 1871e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1872961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1873e8f887acSAmir Vadai { 1874226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 187504de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1876d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 187704de7ddaSRoi Dayan } else { 1878d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1879e8f887acSAmir Vadai } 188004de7ddaSRoi Dayan } 1881e8f887acSAmir Vadai 18820a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1883bbd00f7eSHadar Hen Zion { 1884f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18850a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 18860a7fcb78SPaul Blakey const struct flow_action_entry *act; 18870a7fcb78SPaul Blakey int i; 1888bbd00f7eSHadar Hen Zion 18890a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 18900a7fcb78SPaul Blakey switch (act->id) { 18910a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 18920a7fcb78SPaul Blakey return true; 18930a7fcb78SPaul Blakey default: 18940a7fcb78SPaul Blakey continue; 1895fe1587a7SDmytro Linkin } 18962e72eb43SOr Gerlitz } 1897bbd00f7eSHadar Hen Zion 18980a7fcb78SPaul Blakey return false; 18990a7fcb78SPaul Blakey } 1900bcef735cSOr Gerlitz 19010a7fcb78SPaul Blakey static int 19020a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 19030a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 19040a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 19050a7fcb78SPaul Blakey bool *dont_care) 19060a7fcb78SPaul Blakey { 19070a7fcb78SPaul Blakey struct geneve_opt *opt; 19080a7fcb78SPaul Blakey int off = 0; 1909bcef735cSOr Gerlitz 19100a7fcb78SPaul Blakey *dont_care = true; 1911bcef735cSOr Gerlitz 19120a7fcb78SPaul Blakey while (opts->len > off) { 19130a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1914e98bedf5SEli Britstein 19150a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 19160a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 19170a7fcb78SPaul Blakey *dont_care = false; 19180a7fcb78SPaul Blakey 1919c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1920d7a42ad0SRoi Dayan opt->type != U8_MAX) { 19210a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 19220a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 19230a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19240a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1925e98bedf5SEli Britstein return -EOPNOTSUPP; 1926e98bedf5SEli Britstein } 1927bcef735cSOr Gerlitz } 1928bcef735cSOr Gerlitz 19290a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1930bbd00f7eSHadar Hen Zion } 1931bbd00f7eSHadar Hen Zion 1932bbd00f7eSHadar Hen Zion return 0; 1933bbd00f7eSHadar Hen Zion } 1934bbd00f7eSHadar Hen Zion 19350a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 19360a7fcb78SPaul Blakey ({ \ 19370a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 19380a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 19390a7fcb78SPaul Blakey \ 19400a7fcb78SPaul Blakey memcpy(__dst,\ 19410a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 19420a7fcb78SPaul Blakey diss_key,\ 19430a7fcb78SPaul Blakey __rule->match.key),\ 19440a7fcb78SPaul Blakey sizeof(*__dst));\ 19450a7fcb78SPaul Blakey }) 19460a7fcb78SPaul Blakey 19470a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 19480a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19490a7fcb78SPaul Blakey struct flow_cls_offload *f, 19500a7fcb78SPaul Blakey struct net_device *filter_dev) 19518377629eSEli Britstein { 19520a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19530a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19540a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 19550a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1956d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 19570a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1958c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 19590a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19600a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 19610a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 19620a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 19630a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19640a7fcb78SPaul Blakey u32 value, mask; 19650a7fcb78SPaul Blakey int err; 19660a7fcb78SPaul Blakey 19670a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 19680a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19690a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19700a7fcb78SPaul Blakey 19710a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 19720a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 19730a7fcb78SPaul Blakey &tunnel_key.enc_control); 19740a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 19750a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 19760a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 19770a7fcb78SPaul Blakey else 19780a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 19790a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 19800a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 19810a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 19820a7fcb78SPaul Blakey &tunnel_key.enc_tp); 19830a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 19840a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 19850a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 19860a7fcb78SPaul Blakey 19870a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 19880a7fcb78SPaul Blakey if (err) 19890a7fcb78SPaul Blakey return err; 19900a7fcb78SPaul Blakey 19910a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 19920a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 19930a7fcb78SPaul Blakey enc_opts_match.mask, 19940a7fcb78SPaul Blakey extack, 19950a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19960a7fcb78SPaul Blakey if (err) 19970a7fcb78SPaul Blakey goto err_enc_opts; 19980a7fcb78SPaul Blakey 19990a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 2000d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 2001d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 2002d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 2003d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 2004d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 2005d7a42ad0SRoi Dayan 20060a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2007d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 20080a7fcb78SPaul Blakey if (err) 20090a7fcb78SPaul Blakey goto err_enc_opts; 20100a7fcb78SPaul Blakey } 20110a7fcb78SPaul Blakey 20120a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 20130a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 20140a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 20150a7fcb78SPaul Blakey 20160a7fcb78SPaul Blakey if (attr->chain) { 20170a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 20180a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 20190a7fcb78SPaul Blakey } else { 20200a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 20210a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2022aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 20230a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 20240a7fcb78SPaul Blakey if (err) 20250a7fcb78SPaul Blakey goto err_set; 20260a7fcb78SPaul Blakey 20270a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 20280a7fcb78SPaul Blakey } 20290a7fcb78SPaul Blakey 20300a7fcb78SPaul Blakey flow->tunnel_id = value; 20310a7fcb78SPaul Blakey return 0; 20320a7fcb78SPaul Blakey 20330a7fcb78SPaul Blakey err_set: 20340a7fcb78SPaul Blakey if (enc_opts_id) 20350a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20360a7fcb78SPaul Blakey enc_opts_id); 20370a7fcb78SPaul Blakey err_enc_opts: 20380a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20390a7fcb78SPaul Blakey return err; 20400a7fcb78SPaul Blakey } 20410a7fcb78SPaul Blakey 20420a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 20430a7fcb78SPaul Blakey { 20440a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 20450a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 20460a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 20470a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 20480a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 20490a7fcb78SPaul Blakey 20500a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 20510a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20520a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 20530a7fcb78SPaul Blakey 20540a7fcb78SPaul Blakey if (tun_id) 20550a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20560a7fcb78SPaul Blakey if (enc_opts_id) 20570a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20580a7fcb78SPaul Blakey enc_opts_id); 20590a7fcb78SPaul Blakey } 20600a7fcb78SPaul Blakey 20614c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 20624c3844d9SPaul Blakey { 20634c3844d9SPaul Blakey return flow->tunnel_id; 20644c3844d9SPaul Blakey } 20654c3844d9SPaul Blakey 2066fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2067fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2068fca53304SEli Britstein void *headers_c, void *headers_v) 20694a5d5d73SEli Britstein { 2070fca53304SEli Britstein bool ip_version_cap; 2071fca53304SEli Britstein 2072fca53304SEli Britstein ip_version_cap = outer ? 2073fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2074fca53304SEli Britstein ft_field_support.outer_ip_version) : 2075fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2076fca53304SEli Britstein ft_field_support.inner_ip_version); 2077fca53304SEli Britstein 2078fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2079fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2080fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2081fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2082fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2083fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2084fca53304SEli Britstein } else { 20854a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 20864a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 20874a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 20884a5d5d73SEli Britstein ntohs(match->key->n_proto)); 20894a5d5d73SEli Britstein } 2090fca53304SEli Britstein } 20914a5d5d73SEli Britstein 20920a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 20930a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 20940a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 20950a7fcb78SPaul Blakey struct flow_cls_offload *f, 20960a7fcb78SPaul Blakey struct net_device *filter_dev, 20970a7fcb78SPaul Blakey u8 *match_level, 20980a7fcb78SPaul Blakey bool *match_inner) 20990a7fcb78SPaul Blakey { 21000a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 21010a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 21020a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 21030a7fcb78SPaul Blakey int err; 21040a7fcb78SPaul Blakey 21050a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 21060a7fcb78SPaul Blakey return -EOPNOTSUPP; 21070a7fcb78SPaul Blakey 2108c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2109c620b772SAriel Levkovich sets_mapping = !flow->attr->chain && flow_has_tc_fwd_action(f); 21100a7fcb78SPaul Blakey *match_inner = !needs_mapping; 21110a7fcb78SPaul Blakey 21120a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2113636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 21140a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 2115636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21160a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2117636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21180a7fcb78SPaul Blakey return -EOPNOTSUPP; 21190a7fcb78SPaul Blakey } 21200a7fcb78SPaul Blakey 2121c620b772SAriel Levkovich if (!flow->attr->chain) { 21220a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 21230a7fcb78SPaul Blakey match_level); 21240a7fcb78SPaul Blakey if (err) { 21250a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 21260a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21270a7fcb78SPaul Blakey netdev_warn(priv->netdev, 21280a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21290a7fcb78SPaul Blakey return err; 21300a7fcb78SPaul Blakey } 21310a7fcb78SPaul Blakey 213214e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 213314e6b038SEli Cohen * object 213414e6b038SEli Cohen */ 213514e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2136c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 21370a7fcb78SPaul Blakey } 21380a7fcb78SPaul Blakey 21390a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 21400a7fcb78SPaul Blakey return 0; 21410a7fcb78SPaul Blakey 21420a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 21430a7fcb78SPaul Blakey } 21440a7fcb78SPaul Blakey 21450a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 21460a7fcb78SPaul Blakey { 21470a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21480a7fcb78SPaul Blakey inner_headers); 21490a7fcb78SPaul Blakey } 21500a7fcb78SPaul Blakey 21510a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 21520a7fcb78SPaul Blakey { 21530a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21540a7fcb78SPaul Blakey inner_headers); 21550a7fcb78SPaul Blakey } 21560a7fcb78SPaul Blakey 21570a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 21580a7fcb78SPaul Blakey { 21590a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21600a7fcb78SPaul Blakey outer_headers); 21610a7fcb78SPaul Blakey } 21620a7fcb78SPaul Blakey 21630a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 21640a7fcb78SPaul Blakey { 21650a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21668377629eSEli Britstein outer_headers); 21678377629eSEli Britstein } 21688377629eSEli Britstein 21698377629eSEli Britstein static void *get_match_headers_value(u32 flags, 21708377629eSEli Britstein struct mlx5_flow_spec *spec) 21718377629eSEli Britstein { 21728377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21730a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 21740a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 21750a7fcb78SPaul Blakey } 21760a7fcb78SPaul Blakey 21770a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 21780a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 21790a7fcb78SPaul Blakey { 21800a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21810a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 21820a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 21838377629eSEli Britstein } 21848377629eSEli Britstein 21856d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 21866d65bc64Swenxu struct flow_cls_offload *f) 21876d65bc64Swenxu { 21886d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21896d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 21906d65bc64Swenxu struct net_device *ingress_dev; 21916d65bc64Swenxu struct flow_match_meta match; 21926d65bc64Swenxu 21936d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 21946d65bc64Swenxu return 0; 21956d65bc64Swenxu 21966d65bc64Swenxu flow_rule_match_meta(rule, &match); 21976d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 21986d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2199a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 22006d65bc64Swenxu } 22016d65bc64Swenxu 22026d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 22036d65bc64Swenxu match.key->ingress_ifindex); 22046d65bc64Swenxu if (!ingress_dev) { 22056d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22066d65bc64Swenxu "Can't find the ingress port to match on"); 2207a683012aSPablo Neira Ayuso return -ENOENT; 22086d65bc64Swenxu } 22096d65bc64Swenxu 22106d65bc64Swenxu if (ingress_dev != filter_dev) { 22116d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22126d65bc64Swenxu "Can't match on the ingress filter port"); 2213a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 22146d65bc64Swenxu } 22156d65bc64Swenxu 22166d65bc64Swenxu return 0; 22176d65bc64Swenxu } 22186d65bc64Swenxu 221972046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 222072046a91SEli Cohen struct flow_cls_offload *f) 222172046a91SEli Cohen { 222272046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 222372046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 222472046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 222572046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 222672046a91SEli Cohen */ 222772046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 222872046a91SEli Cohen return true; 222972046a91SEli Cohen 223072046a91SEli Cohen return false; 223172046a91SEli Cohen } 223272046a91SEli Cohen 2233de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 22340a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2235de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2236f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 223754c177caSOz Shlomo struct net_device *filter_dev, 223893b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2239e3a2b7edSAmir Vadai { 2240e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2241c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2242c5bb1730SMaor Gottlieb outer_headers); 2243c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2244c5bb1730SMaor Gottlieb outer_headers); 2245699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2246699e96ddSJianbo Liu misc_parameters); 2247699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2248699e96ddSJianbo Liu misc_parameters); 2249f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22508f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2251e3a2b7edSAmir Vadai u16 addr_type = 0; 2252e3a2b7edSAmir Vadai u8 ip_proto = 0; 225393b3586eSHuy Nguyen u8 *match_level; 22546d65bc64Swenxu int err; 2255e3a2b7edSAmir Vadai 225693b3586eSHuy Nguyen match_level = outer_match_level; 2257de0af0bfSRoi Dayan 22588f256622SPablo Neira Ayuso if (dissector->used_keys & 22593d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 22603d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2261e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2262e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2263095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2264699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2265e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2266e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2267bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2268bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2269bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2270bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2271bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2272e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2273fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2274bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 22754c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 22769272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 227772046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 227872046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2279e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 228048470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 22818f256622SPablo Neira Ayuso dissector->used_keys); 2282e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2283e3a2b7edSAmir Vadai } 2284e3a2b7edSAmir Vadai 2285075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 22860a7fcb78SPaul Blakey bool match_inner = false; 2287bbd00f7eSHadar Hen Zion 22880a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 22890a7fcb78SPaul Blakey outer_match_level, &match_inner); 22900a7fcb78SPaul Blakey if (err) 22910a7fcb78SPaul Blakey return err; 22920a7fcb78SPaul Blakey 22930a7fcb78SPaul Blakey if (match_inner) { 22940a7fcb78SPaul Blakey /* header pointers should point to the inner headers 22950a7fcb78SPaul Blakey * if the packet was decapsulated already. 22960a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2297bbd00f7eSHadar Hen Zion */ 229893b3586eSHuy Nguyen match_level = inner_match_level; 22990a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 23000a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 23010a7fcb78SPaul Blakey } 2302bbd00f7eSHadar Hen Zion } 2303bbd00f7eSHadar Hen Zion 23046d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 23056d65bc64Swenxu if (err) 23066d65bc64Swenxu return err; 23076d65bc64Swenxu 230872046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 230972046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 23108f256622SPablo Neira Ayuso struct flow_match_basic match; 2311e3a2b7edSAmir Vadai 23128f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2313fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2314fca53304SEli Britstein match_level == outer_match_level, 2315fca53304SEli Britstein headers_c, headers_v); 23168f256622SPablo Neira Ayuso 23178f256622SPablo Neira Ayuso if (match.mask->n_proto) 2318d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2319e3a2b7edSAmir Vadai } 232035a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 232135a605dbSEli Britstein is_vlan_dev(filter_dev)) { 232235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 232335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 23248f256622SPablo Neira Ayuso struct flow_match_vlan match; 23258f256622SPablo Neira Ayuso 232635a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 232735a605dbSEli Britstein match.key = &filter_dev_key; 232835a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 232935a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 233035a605dbSEli Britstein match.key->vlan_priority = 0; 233135a605dbSEli Britstein match.mask = &filter_dev_mask; 233235a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 233335a605dbSEli Britstein match.mask->vlan_priority = 0; 233435a605dbSEli Britstein } else { 23358f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 233635a605dbSEli Britstein } 23378f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23388f256622SPablo Neira Ayuso match.mask->vlan_priority || 23398f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23408f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2341699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2342699e96ddSJianbo Liu svlan_tag, 1); 2343699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2344699e96ddSJianbo Liu svlan_tag, 1); 2345699e96ddSJianbo Liu } else { 2346699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2347699e96ddSJianbo Liu cvlan_tag, 1); 2348699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2349699e96ddSJianbo Liu cvlan_tag, 1); 2350699e96ddSJianbo Liu } 2351095b6cfdSOr Gerlitz 23528f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 23538f256622SPablo Neira Ayuso match.mask->vlan_id); 23548f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 23558f256622SPablo Neira Ayuso match.key->vlan_id); 2356358d79a4SOr Gerlitz 23578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 23588f256622SPablo Neira Ayuso match.mask->vlan_priority); 23598f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 23608f256622SPablo Neira Ayuso match.key->vlan_priority); 236154782900SOr Gerlitz 2362d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2363095b6cfdSOr Gerlitz } 2364d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2365fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2366fc603294SMark Bloch * disabled in match value means both S & C tags 2367fc603294SMark Bloch * don't exist (untagged of both) 2368fc603294SMark Bloch */ 2369cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2370d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2371095b6cfdSOr Gerlitz } 2372095b6cfdSOr Gerlitz 23738f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 23748f256622SPablo Neira Ayuso struct flow_match_vlan match; 23758f256622SPablo Neira Ayuso 237612d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 23778f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23788f256622SPablo Neira Ayuso match.mask->vlan_priority || 23798f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23808f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2381699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2382699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2383699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2384699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2385699e96ddSJianbo Liu } else { 2386699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2387699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2388699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2389699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2390699e96ddSJianbo Liu } 2391699e96ddSJianbo Liu 2392699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 23938f256622SPablo Neira Ayuso match.mask->vlan_id); 2394699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 23958f256622SPablo Neira Ayuso match.key->vlan_id); 2396699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 23978f256622SPablo Neira Ayuso match.mask->vlan_priority); 2398699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 23998f256622SPablo Neira Ayuso match.key->vlan_priority); 2400699e96ddSJianbo Liu 2401699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 24020faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2403699e96ddSJianbo Liu } 2404699e96ddSJianbo Liu } 2405699e96ddSJianbo Liu 24068f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 24078f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 240854782900SOr Gerlitz 24098f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2410d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2411d3a80bb5SOr Gerlitz dmac_47_16), 24128f256622SPablo Neira Ayuso match.mask->dst); 2413d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2414d3a80bb5SOr Gerlitz dmac_47_16), 24158f256622SPablo Neira Ayuso match.key->dst); 2416d3a80bb5SOr Gerlitz 2417d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2418d3a80bb5SOr Gerlitz smac_47_16), 24198f256622SPablo Neira Ayuso match.mask->src); 2420d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2421d3a80bb5SOr Gerlitz smac_47_16), 24228f256622SPablo Neira Ayuso match.key->src); 2423d3a80bb5SOr Gerlitz 24248f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 24258f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2426d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 242754782900SOr Gerlitz } 242854782900SOr Gerlitz 24298f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 24308f256622SPablo Neira Ayuso struct flow_match_control match; 243154782900SOr Gerlitz 24328f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 24338f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 243454782900SOr Gerlitz 243554782900SOr Gerlitz /* the HW doesn't support frag first/later */ 24368f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 243754782900SOr Gerlitz return -EOPNOTSUPP; 243854782900SOr Gerlitz 24398f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 244054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 244154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 24428f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 244354782900SOr Gerlitz 244454782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 24458f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 244683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 244754782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 244854782900SOr Gerlitz else 244983621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 245054782900SOr Gerlitz } 245154782900SOr Gerlitz } 245254782900SOr Gerlitz 24538f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 24548f256622SPablo Neira Ayuso struct flow_match_basic match; 24558f256622SPablo Neira Ayuso 24568f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 24578f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 245854782900SOr Gerlitz 245954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 24608f256622SPablo Neira Ayuso match.mask->ip_proto); 246154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 24628f256622SPablo Neira Ayuso match.key->ip_proto); 246354782900SOr Gerlitz 24648f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2465d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 246654782900SOr Gerlitz } 246754782900SOr Gerlitz 2468e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 24698f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2470e3a2b7edSAmir Vadai 24718f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2472e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2473e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24748f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2475e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2476e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24778f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2478e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2479e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24808f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2481e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2482e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24838f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2484de0af0bfSRoi Dayan 24858f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2486d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2487e3a2b7edSAmir Vadai } 2488e3a2b7edSAmir Vadai 2489e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 24908f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2491e3a2b7edSAmir Vadai 24928f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2493e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2494e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24958f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2496e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2497e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24988f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2499e3a2b7edSAmir Vadai 2500e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2501e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 25028f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2503e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2504e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 25058f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2506de0af0bfSRoi Dayan 25078f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 25088f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2509d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2510e3a2b7edSAmir Vadai } 2511e3a2b7edSAmir Vadai 25128f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 25138f256622SPablo Neira Ayuso struct flow_match_ip match; 25141f97a526SOr Gerlitz 25158f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 25168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 25178f256622SPablo Neira Ayuso match.mask->tos & 0x3); 25188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 25198f256622SPablo Neira Ayuso match.key->tos & 0x3); 25201f97a526SOr Gerlitz 25218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 25228f256622SPablo Neira Ayuso match.mask->tos >> 2); 25238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 25248f256622SPablo Neira Ayuso match.key->tos >> 2); 25251f97a526SOr Gerlitz 25268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 25278f256622SPablo Neira Ayuso match.mask->ttl); 25288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 25298f256622SPablo Neira Ayuso match.key->ttl); 25301f97a526SOr Gerlitz 25318f256622SPablo Neira Ayuso if (match.mask->ttl && 2532a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2533e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2534e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2535e98bedf5SEli Britstein "Matching on TTL is not supported"); 25361f97a526SOr Gerlitz return -EOPNOTSUPP; 2537e98bedf5SEli Britstein } 2538a8ade55fSOr Gerlitz 25398f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2540d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 25411f97a526SOr Gerlitz } 25421f97a526SOr Gerlitz 254354782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 254454782900SOr Gerlitz 25458f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 25468f256622SPablo Neira Ayuso struct flow_match_ports match; 25478f256622SPablo Neira Ayuso 25488f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2549e3a2b7edSAmir Vadai switch (ip_proto) { 2550e3a2b7edSAmir Vadai case IPPROTO_TCP: 2551e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25528f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2553e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25548f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2555e3a2b7edSAmir Vadai 2556e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25578f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2558e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25598f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2560e3a2b7edSAmir Vadai break; 2561e3a2b7edSAmir Vadai 2562e3a2b7edSAmir Vadai case IPPROTO_UDP: 2563e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25648f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2565e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25668f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2567e3a2b7edSAmir Vadai 2568e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25698f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2570e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25718f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2572e3a2b7edSAmir Vadai break; 2573e3a2b7edSAmir Vadai default: 2574e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2575e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2576e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2577e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2578e3a2b7edSAmir Vadai return -EINVAL; 2579e3a2b7edSAmir Vadai } 2580de0af0bfSRoi Dayan 25818f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2582d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2583e3a2b7edSAmir Vadai } 2584e3a2b7edSAmir Vadai 25858f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 25868f256622SPablo Neira Ayuso struct flow_match_tcp match; 2587e77834ecSOr Gerlitz 25888f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2589e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 25908f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2591e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 25928f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2593e77834ecSOr Gerlitz 25948f256622SPablo Neira Ayuso if (match.mask->flags) 2595d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2596e77834ecSOr Gerlitz } 2597e77834ecSOr Gerlitz 2598e3a2b7edSAmir Vadai return 0; 2599e3a2b7edSAmir Vadai } 2600e3a2b7edSAmir Vadai 2601de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 260265ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2603de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2604f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 260554c177caSOz Shlomo struct net_device *filter_dev) 2606de0af0bfSRoi Dayan { 260793b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2608e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2609de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2610de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 26111d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 26121d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2613226f2ca3SVlad Buslov bool is_eswitch_flow; 2614de0af0bfSRoi Dayan int err; 2615de0af0bfSRoi Dayan 261693b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 261793b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 261893b3586eSHuy Nguyen 26190a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 26200a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 262193b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 262293b3586eSHuy Nguyen outer_match_level : inner_match_level; 2623de0af0bfSRoi Dayan 2624226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2625226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 26261d447a39SSaeed Mahameed rep = rpriv->rep; 2627b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 26281d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 262993b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2630e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2631e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2632de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2633de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 263493b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2635de0af0bfSRoi Dayan return -EOPNOTSUPP; 2636de0af0bfSRoi Dayan } 2637de0af0bfSRoi Dayan } 2638de0af0bfSRoi Dayan 2639c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2640c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2641c620b772SAriel Levkovich 264238aa51c1SOr Gerlitz 2643de0af0bfSRoi Dayan return err; 2644de0af0bfSRoi Dayan } 2645de0af0bfSRoi Dayan 2646d79b6df6SOr Gerlitz struct pedit_headers { 2647d79b6df6SOr Gerlitz struct ethhdr eth; 26480eb69bb9SEli Britstein struct vlan_hdr vlan; 2649d79b6df6SOr Gerlitz struct iphdr ip4; 2650d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2651d79b6df6SOr Gerlitz struct tcphdr tcp; 2652d79b6df6SOr Gerlitz struct udphdr udp; 2653d79b6df6SOr Gerlitz }; 2654d79b6df6SOr Gerlitz 2655c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2656c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2657c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2658c500c86bSPablo Neira Ayuso u32 pedits; 2659c500c86bSPablo Neira Ayuso }; 2660c500c86bSPablo Neira Ayuso 2661d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 266273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 266373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 266473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 266573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 266673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2667d79b6df6SOr Gerlitz }; 2668d79b6df6SOr Gerlitz 2669d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2670d79b6df6SOr Gerlitz 2671d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2672c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2673d79b6df6SOr Gerlitz { 2674d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2675d79b6df6SOr Gerlitz 2676c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2677c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2678d79b6df6SOr Gerlitz 2679d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2680d79b6df6SOr Gerlitz goto out_err; 2681d79b6df6SOr Gerlitz 2682d79b6df6SOr Gerlitz *curr_pmask |= mask; 2683d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2684d79b6df6SOr Gerlitz 2685d79b6df6SOr Gerlitz return 0; 2686d79b6df6SOr Gerlitz 2687d79b6df6SOr Gerlitz out_err: 2688d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2689d79b6df6SOr Gerlitz } 2690d79b6df6SOr Gerlitz 2691d79b6df6SOr Gerlitz struct mlx5_fields { 2692d79b6df6SOr Gerlitz u8 field; 269388f30bbcSDmytro Linkin u8 field_bsize; 269488f30bbcSDmytro Linkin u32 field_mask; 2695d79b6df6SOr Gerlitz u32 offset; 269627c11b6bSEli Britstein u32 match_offset; 2697d79b6df6SOr Gerlitz }; 2698d79b6df6SOr Gerlitz 269988f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 270088f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 270127c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 270227c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 270327c11b6bSEli Britstein 27042ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 27052ef86872SEli Britstein * match. 27062ef86872SEli Britstein */ 27072ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 27082ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 27092ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 27102ef86872SEli Britstein type maskx = *(type *)(maskp); \ 27112ef86872SEli Britstein type valx = *(type *)(valp); \ 27122ef86872SEli Britstein \ 27132ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 27142ef86872SEli Britstein matchmaskx)); \ 27152ef86872SEli Britstein }) 27162ef86872SEli Britstein 271727c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 271888f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 271927c11b6bSEli Britstein { 272027c11b6bSEli Britstein bool same = false; 272127c11b6bSEli Britstein 272288f30bbcSDmytro Linkin switch (bsize) { 272388f30bbcSDmytro Linkin case 8: 27242ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 272527c11b6bSEli Britstein break; 272688f30bbcSDmytro Linkin case 16: 27272ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 272827c11b6bSEli Britstein break; 272988f30bbcSDmytro Linkin case 32: 27302ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 273127c11b6bSEli Britstein break; 273227c11b6bSEli Britstein } 273327c11b6bSEli Britstein 273427c11b6bSEli Britstein return same; 273527c11b6bSEli Britstein } 2736a8e4f0c4SOr Gerlitz 2737d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 273888f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 273988f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 274088f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 274188f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 274288f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 274388f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2744d79b6df6SOr Gerlitz 2745ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 274688f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 274788f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 274888f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2749d79b6df6SOr Gerlitz 275088f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 275127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 275288f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 275327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 275488f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 275527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 275688f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 275727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 275888f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 275927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 276088f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 276127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 276288f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 276327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 276488f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 276527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 276688f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2767748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2768d79b6df6SOr Gerlitz 276988f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 277088f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 277188f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 277288f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2773d79b6df6SOr Gerlitz 277488f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 277588f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2776d79b6df6SOr Gerlitz }; 2777d79b6df6SOr Gerlitz 277882198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 277982198d8bSMaor Dickman { 278082198d8bSMaor Dickman __be32 mask_be32; 278182198d8bSMaor Dickman __be16 mask_be16; 278282198d8bSMaor Dickman 278382198d8bSMaor Dickman if (size == 32) { 278482198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 278582198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 278682198d8bSMaor Dickman } else if (size == 16) { 278782198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 278882198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 278982198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 279082198d8bSMaor Dickman } 279182198d8bSMaor Dickman 279282198d8bSMaor Dickman return mask; 279382198d8bSMaor Dickman } 27946ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27956ae4a6a5SPaul Blakey int namespace, 27966ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2797e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 279827c11b6bSEli Britstein u32 *action_flags, 2799e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2800d79b6df6SOr Gerlitz { 2801d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 28026ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 280388f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 280488f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 28056ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2806d79b6df6SOr Gerlitz struct mlx5_fields *f; 280782198d8bSMaor Dickman unsigned long mask, field_mask; 28086ae4a6a5SPaul Blakey int err; 280988f30bbcSDmytro Linkin u8 cmd; 281088f30bbcSDmytro Linkin 28116ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 281288f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 281388f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2814d79b6df6SOr Gerlitz 281573867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 281673867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 281773867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 281873867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2819d79b6df6SOr Gerlitz 2820d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2821d79b6df6SOr Gerlitz 2822d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 282327c11b6bSEli Britstein bool skip; 282427c11b6bSEli Britstein 2825d79b6df6SOr Gerlitz f = &fields[i]; 2826d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2827e3ca4e05SOr Gerlitz s_mask = 0; 2828e3ca4e05SOr Gerlitz a_mask = 0; 2829d79b6df6SOr Gerlitz 2830d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2831d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2832d79b6df6SOr Gerlitz 283388f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 283488f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2835d79b6df6SOr Gerlitz 2836d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2837d79b6df6SOr Gerlitz continue; 2838d79b6df6SOr Gerlitz 2839d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2840e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2841e98bedf5SEli Britstein "can't set and add to the same HW field"); 2842d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2843d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2844d79b6df6SOr Gerlitz } 2845d79b6df6SOr Gerlitz 284627c11b6bSEli Britstein skip = false; 2847d79b6df6SOr Gerlitz if (s_mask) { 284827c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 284927c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 285027c11b6bSEli Britstein 2851d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2852d79b6df6SOr Gerlitz mask = s_mask; 2853d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 285427c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 285527c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 285688f30bbcSDmytro Linkin match_mask, f->field_bsize)) 285727c11b6bSEli Britstein skip = true; 2858d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 285988f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2860d79b6df6SOr Gerlitz } else { 2861d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2862d79b6df6SOr Gerlitz mask = a_mask; 2863d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 286427c11b6bSEli Britstein /* add 0 is no change */ 286588f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 286627c11b6bSEli Britstein skip = true; 2867d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 286888f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2869d79b6df6SOr Gerlitz } 287027c11b6bSEli Britstein if (skip) 287127c11b6bSEli Britstein continue; 2872d79b6df6SOr Gerlitz 287382198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 28742b64bebaSOr Gerlitz 287588f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 287688f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 287788f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28782b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2879e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2880e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 28812b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2882d79b6df6SOr Gerlitz mask); 2883d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2884d79b6df6SOr Gerlitz } 2885d79b6df6SOr Gerlitz 28866ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 28876ae4a6a5SPaul Blakey if (err) { 28886ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28896ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28906ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28916ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28926ae4a6a5SPaul Blakey mod_acts->num_actions); 28936ae4a6a5SPaul Blakey return err; 28946ae4a6a5SPaul Blakey } 28956ae4a6a5SPaul Blakey 28966ae4a6a5SPaul Blakey action = mod_acts->actions + 28976ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2898d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2899d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2900d79b6df6SOr Gerlitz 2901d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 290288f30bbcSDmytro Linkin int start; 290388f30bbcSDmytro Linkin 290482198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 290582198d8bSMaor Dickman 290688f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 290782198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 290888f30bbcSDmytro Linkin 290988f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2910d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 29112b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2912d79b6df6SOr Gerlitz } 2913d79b6df6SOr Gerlitz 291488f30bbcSDmytro Linkin if (f->field_bsize == 32) 29152b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 291688f30bbcSDmytro Linkin else if (f->field_bsize == 16) 29172b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 291888f30bbcSDmytro Linkin else if (f->field_bsize == 8) 29192b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2920d79b6df6SOr Gerlitz 29216ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2922d79b6df6SOr Gerlitz } 2923d79b6df6SOr Gerlitz 2924d79b6df6SOr Gerlitz return 0; 2925d79b6df6SOr Gerlitz } 2926d79b6df6SOr Gerlitz 29272cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 29282cc1cb1dSTonghao Zhang int namespace) 29292cc1cb1dSTonghao Zhang { 29302cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 29312cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 29322cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 29332cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 29342cc1cb1dSTonghao Zhang } 29352cc1cb1dSTonghao Zhang 29366ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2937c500c86bSPablo Neira Ayuso int namespace, 29386ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2939d79b6df6SOr Gerlitz { 29406ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 29416ae4a6a5SPaul Blakey size_t new_sz, old_sz; 29426ae4a6a5SPaul Blakey void *ret; 2943d79b6df6SOr Gerlitz 29446ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 29456ae4a6a5SPaul Blakey return 0; 29466ae4a6a5SPaul Blakey 2947d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2948d79b6df6SOr Gerlitz 29496ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 29506ae4a6a5SPaul Blakey namespace); 29516ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 29526ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 29536ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 29546ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 29556ae4a6a5SPaul Blakey return -ENOSPC; 2956d79b6df6SOr Gerlitz 29576ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 29586ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 29596ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 29606ae4a6a5SPaul Blakey if (!ret) 2961d79b6df6SOr Gerlitz return -ENOMEM; 2962d79b6df6SOr Gerlitz 29636ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 29646ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 29656ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 29666ae4a6a5SPaul Blakey 2967d79b6df6SOr Gerlitz return 0; 2968d79b6df6SOr Gerlitz } 2969d79b6df6SOr Gerlitz 29706ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 29716ae4a6a5SPaul Blakey { 29726ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 29736ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 29746ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 29756ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 29766ae4a6a5SPaul Blakey } 29776ae4a6a5SPaul Blakey 2978d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2979d79b6df6SOr Gerlitz 2980582234b4SEli Cohen static int 2981582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 298273867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2983582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2984c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2985e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2986d79b6df6SOr Gerlitz { 298773867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 298873867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2989d79b6df6SOr Gerlitz u32 mask, val, offset; 299073867881SPablo Neira Ayuso u8 htype; 2991d79b6df6SOr Gerlitz 299273867881SPablo Neira Ayuso htype = act->mangle.htype; 2993d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2994d79b6df6SOr Gerlitz 299573867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 299673867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2997d79b6df6SOr Gerlitz goto out_err; 2998d79b6df6SOr Gerlitz } 2999d79b6df6SOr Gerlitz 30002cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 30012cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 30022cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 30032cc1cb1dSTonghao Zhang goto out_err; 30042cc1cb1dSTonghao Zhang } 30052cc1cb1dSTonghao Zhang 300673867881SPablo Neira Ayuso mask = act->mangle.mask; 300773867881SPablo Neira Ayuso val = act->mangle.val; 300873867881SPablo Neira Ayuso offset = act->mangle.offset; 3009d79b6df6SOr Gerlitz 3010c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 3011d79b6df6SOr Gerlitz if (err) 3012d79b6df6SOr Gerlitz goto out_err; 3013c500c86bSPablo Neira Ayuso 3014c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 3015d79b6df6SOr Gerlitz 3016c500c86bSPablo Neira Ayuso return 0; 3017c500c86bSPablo Neira Ayuso out_err: 3018c500c86bSPablo Neira Ayuso return err; 3019c500c86bSPablo Neira Ayuso } 3020c500c86bSPablo Neira Ayuso 3021582234b4SEli Cohen static int 3022582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 3023582234b4SEli Cohen const struct flow_action_entry *act, 3024582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3025582234b4SEli Cohen struct netlink_ext_ack *extack) 3026582234b4SEli Cohen { 3027582234b4SEli Cohen u32 mask, val, offset; 3028582234b4SEli Cohen u32 *p; 3029582234b4SEli Cohen 3030582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 3031582234b4SEli Cohen return -EOPNOTSUPP; 3032582234b4SEli Cohen 3033582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 3034582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 3035582234b4SEli Cohen return -EOPNOTSUPP; 3036582234b4SEli Cohen } 3037582234b4SEli Cohen 3038582234b4SEli Cohen mask = ~act->mangle.mask; 3039582234b4SEli Cohen val = act->mangle.val; 3040582234b4SEli Cohen offset = act->mangle.offset; 3041582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 3042582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 3043582234b4SEli Cohen 3044582234b4SEli Cohen return 0; 3045582234b4SEli Cohen } 3046582234b4SEli Cohen 3047582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 3048582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 3049582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3050582234b4SEli Cohen struct pedit_headers_action *hdrs, 3051582234b4SEli Cohen struct mlx5e_tc_flow *flow, 3052582234b4SEli Cohen struct netlink_ext_ack *extack) 3053582234b4SEli Cohen { 3054582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 3055582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 3056582234b4SEli Cohen 3057582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 3058582234b4SEli Cohen parse_attr, hdrs, extack); 3059582234b4SEli Cohen } 3060582234b4SEli Cohen 3061c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3062c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3063c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 306427c11b6bSEli Britstein u32 *action_flags, 3065c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3066c500c86bSPablo Neira Ayuso { 3067c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3068c500c86bSPablo Neira Ayuso int err; 3069c500c86bSPablo Neira Ayuso u8 cmd; 3070c500c86bSPablo Neira Ayuso 30716ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 30726ae4a6a5SPaul Blakey action_flags, extack); 3073d79b6df6SOr Gerlitz if (err < 0) 3074d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3075d79b6df6SOr Gerlitz 3076d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 3077c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 3078d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 3079e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3080e98bedf5SEli Britstein "attempt to offload an unsupported field"); 3081b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3082d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3083d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3084d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 3085d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3086d79b6df6SOr Gerlitz } 3087d79b6df6SOr Gerlitz } 3088d79b6df6SOr Gerlitz 3089d79b6df6SOr Gerlitz return 0; 3090d79b6df6SOr Gerlitz 3091d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30926ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3093d79b6df6SOr Gerlitz return err; 3094d79b6df6SOr Gerlitz } 3095d79b6df6SOr Gerlitz 3096e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3097e98bedf5SEli Britstein u32 action, 3098e98bedf5SEli Britstein u32 update_flags, 3099e98bedf5SEli Britstein struct netlink_ext_ack *extack) 310026c02749SOr Gerlitz { 310126c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 310226c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 310326c02749SOr Gerlitz 310426c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 310526c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3106e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3107e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 310826c02749SOr Gerlitz netdev_warn(priv->netdev, 310926c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 311026c02749SOr Gerlitz return false; 311126c02749SOr Gerlitz } 311226c02749SOr Gerlitz 311326c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3114e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3115e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 311626c02749SOr Gerlitz netdev_warn(priv->netdev, 311726c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 311826c02749SOr Gerlitz update_flags); 311926c02749SOr Gerlitz return false; 312026c02749SOr Gerlitz } 312126c02749SOr Gerlitz 312226c02749SOr Gerlitz return true; 312326c02749SOr Gerlitz } 312426c02749SOr Gerlitz 31258998576bSDmytro Linkin struct ip_ttl_word { 31268998576bSDmytro Linkin __u8 ttl; 31278998576bSDmytro Linkin __u8 protocol; 31288998576bSDmytro Linkin __sum16 check; 31298998576bSDmytro Linkin }; 31308998576bSDmytro Linkin 31318998576bSDmytro Linkin struct ipv6_hoplimit_word { 31328998576bSDmytro Linkin __be16 payload_len; 31338998576bSDmytro Linkin __u8 nexthdr; 31348998576bSDmytro Linkin __u8 hop_limit; 31358998576bSDmytro Linkin }; 31368998576bSDmytro Linkin 31374c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 31384c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 31397e36feebSPaul Blakey bool *modify_tuple, 31404c3844d9SPaul Blakey struct netlink_ext_ack *extack) 31418998576bSDmytro Linkin { 31428998576bSDmytro Linkin u32 mask, offset; 31438998576bSDmytro Linkin u8 htype; 31448998576bSDmytro Linkin 31458998576bSDmytro Linkin htype = act->mangle.htype; 31468998576bSDmytro Linkin offset = act->mangle.offset; 31478998576bSDmytro Linkin mask = ~act->mangle.mask; 31488998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 31498998576bSDmytro Linkin * to determine that modified fields 31508998576bSDmytro Linkin * are NOT ttl & hop_limit only. 31518998576bSDmytro Linkin */ 31528998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 31538998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 31548998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 31558998576bSDmytro Linkin 31568998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 31578998576bSDmytro Linkin ttl_word->protocol || 31588998576bSDmytro Linkin ttl_word->check) { 31594c3844d9SPaul Blakey *modify_ip_header = true; 31604c3844d9SPaul Blakey } 31614c3844d9SPaul Blakey 31627e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 31637e36feebSPaul Blakey *modify_tuple = true; 31647e36feebSPaul Blakey 31657e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31664c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31674c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 31684c3844d9SPaul Blakey return -EOPNOTSUPP; 31698998576bSDmytro Linkin } 31708998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 31718998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 31728998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 31738998576bSDmytro Linkin 31748998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 31758998576bSDmytro Linkin hoplimit_word->payload_len || 31768998576bSDmytro Linkin hoplimit_word->nexthdr) { 31774c3844d9SPaul Blakey *modify_ip_header = true; 31788998576bSDmytro Linkin } 31794c3844d9SPaul Blakey 31807e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 31817e36feebSPaul Blakey *modify_tuple = true; 31827e36feebSPaul Blakey 31837e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31844c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31854c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31864c3844d9SPaul Blakey return -EOPNOTSUPP; 31878998576bSDmytro Linkin } 31887e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31897e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31907e36feebSPaul Blakey *modify_tuple = true; 31917e36feebSPaul Blakey if (ct_flow) { 31924c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31934c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31944c3844d9SPaul Blakey return -EOPNOTSUPP; 31954c3844d9SPaul Blakey } 31967e36feebSPaul Blakey } 31974c3844d9SPaul Blakey 31984c3844d9SPaul Blakey return 0; 31998998576bSDmytro Linkin } 32008998576bSDmytro Linkin 32013d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 32023d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 320373867881SPablo Neira Ayuso struct flow_action *flow_action, 32044c3844d9SPaul Blakey u32 actions, bool ct_flow, 32057e36feebSPaul Blakey bool ct_clear, 3206e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3207bdd66ac0SOr Gerlitz { 320873867881SPablo Neira Ayuso const struct flow_action_entry *act; 32097e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3210fca53304SEli Britstein void *headers_c; 3211bdd66ac0SOr Gerlitz void *headers_v; 3212bdd66ac0SOr Gerlitz u16 ethertype; 32138998576bSDmytro Linkin u8 ip_proto; 32144c3844d9SPaul Blakey int i, err; 3215bdd66ac0SOr Gerlitz 3216fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 32178377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3218bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3219bdd66ac0SOr Gerlitz 3220bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3221fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3222fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3223bdd66ac0SOr Gerlitz goto out_ok; 3224bdd66ac0SOr Gerlitz 3225bdd66ac0SOr Gerlitz modify_ip_header = false; 32267e36feebSPaul Blakey modify_tuple = false; 322773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 322873867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 322973867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3230bdd66ac0SOr Gerlitz continue; 3231bdd66ac0SOr Gerlitz 32324c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 32337e36feebSPaul Blakey &modify_ip_header, 32347e36feebSPaul Blakey &modify_tuple, extack); 32354c3844d9SPaul Blakey if (err) 32364c3844d9SPaul Blakey return err; 3237bdd66ac0SOr Gerlitz } 3238bdd66ac0SOr Gerlitz 32397e36feebSPaul Blakey /* Add ct_state=-trk match so it will be offloaded for non ct flows 32407e36feebSPaul Blakey * (or after clear action), as otherwise, since the tuple is changed, 32417e36feebSPaul Blakey * we can't restore ct state 32427e36feebSPaul Blakey */ 32437e36feebSPaul Blakey if (!ct_clear && modify_tuple && 324489fbdbaeSSaeed Mahameed mlx5_tc_ct_add_no_trk_match(spec)) { 32457e36feebSPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32467e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 32477e36feebSPaul Blakey netdev_info(priv->netdev, 32487e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 32497e36feebSPaul Blakey return false; 32507e36feebSPaul Blakey } 32517e36feebSPaul Blakey 3252bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 32531ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 32541ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3255e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3256e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 32573d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 32583d486ec4SOz Shlomo ip_proto); 3259bdd66ac0SOr Gerlitz return false; 3260bdd66ac0SOr Gerlitz } 3261bdd66ac0SOr Gerlitz 3262bdd66ac0SOr Gerlitz out_ok: 3263bdd66ac0SOr Gerlitz return true; 3264bdd66ac0SOr Gerlitz } 3265bdd66ac0SOr Gerlitz 3266bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 326773867881SPablo Neira Ayuso struct flow_action *flow_action, 3268bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3269e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3270e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3271bdd66ac0SOr Gerlitz { 3272a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3273bdd66ac0SOr Gerlitz u32 actions; 3274bdd66ac0SOr Gerlitz 3275c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3276a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3277a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3278c620b772SAriel Levkovich actions = flow->attr->action; 3279c620b772SAriel Levkovich 3280c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 3281c620b772SAriel Levkovich if (flow->attr->esw_attr->split_count && ct_flow) { 32824c3844d9SPaul Blakey /* All registers used by ct are cleared when using 32834c3844d9SPaul Blakey * split rules. 32844c3844d9SPaul Blakey */ 32854c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32864c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 328749397b80SDan Carpenter return false; 32884c3844d9SPaul Blakey } 32894c3844d9SPaul Blakey } 3290bdd66ac0SOr Gerlitz 3291bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 32923d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3293a655fe9fSDavid S. Miller flow_action, actions, 32947e36feebSPaul Blakey ct_flow, ct_clear, 32957e36feebSPaul Blakey extack); 3296bdd66ac0SOr Gerlitz 3297bdd66ac0SOr Gerlitz return true; 3298bdd66ac0SOr Gerlitz } 3299bdd66ac0SOr Gerlitz 330032134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 330132134847SMaor Dickman { 330232134847SMaor Dickman return priv->mdev == peer_priv->mdev; 330332134847SMaor Dickman } 330432134847SMaor Dickman 33055c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 33065c65c564SOr Gerlitz { 33075c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3308816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 33095c65c564SOr Gerlitz 33105c65c564SOr Gerlitz fmdev = priv->mdev; 33115c65c564SOr Gerlitz pmdev = peer_priv->mdev; 33125c65c564SOr Gerlitz 331359c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 331459c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 33155c65c564SOr Gerlitz 3316816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 33175c65c564SOr Gerlitz } 33185c65c564SOr Gerlitz 3319bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3320bdc837eeSEli Britstein const struct flow_action_entry *act, 3321bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3322bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3323bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3324bdc837eeSEli Britstein { 3325bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3326bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3327bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3328bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3329bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3330bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3331bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3332bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3333bdc837eeSEli Britstein }; 33346fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3335bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3336bdc837eeSEli Britstein int err; 3337bdc837eeSEli Britstein 3338bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3339bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3340bf2f3bcaSEli Britstein 3341bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3342bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3343bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3344bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3345bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3346bf2f3bcaSEli Britstein } 3347bf2f3bcaSEli Britstein 33486fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 33496fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 33506fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 33516fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 33526fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3353bdc837eeSEli Britstein return -EOPNOTSUPP; 3354bdc837eeSEli Britstein } 3355bdc837eeSEli Britstein 3356582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3357bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3358bdc837eeSEli Britstein 3359bdc837eeSEli Britstein return err; 3360bdc837eeSEli Britstein } 3361bdc837eeSEli Britstein 33620bac1194SEli Britstein static int 33630bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 33640bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 33650bac1194SEli Britstein struct pedit_headers_action *hdrs, 33660bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 33670bac1194SEli Britstein { 33680bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 33690bac1194SEli Britstein .vlan.vid = 0, 33700bac1194SEli Britstein .vlan.prio = 33710bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33720bac1194SEli Britstein get_match_headers_value(*action, 33730bac1194SEli Britstein &parse_attr->spec), 33740bac1194SEli Britstein first_prio) & 33750bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33760bac1194SEli Britstein get_match_headers_criteria(*action, 33770bac1194SEli Britstein &parse_attr->spec), 33780bac1194SEli Britstein first_prio), 33790bac1194SEli Britstein }; 33800bac1194SEli Britstein 33810bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 33820bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 33830bac1194SEli Britstein extack); 33840bac1194SEli Britstein } 33850bac1194SEli Britstein 3386c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3387c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3388c7569097SAriel Levkovich const struct flow_action_entry *act, 3389c7569097SAriel Levkovich u32 actions, 3390c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3391c7569097SAriel Levkovich { 3392c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3393c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3394c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3395c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3396c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3397c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3398c7569097SAriel Levkovich u32 reformat_and_fwd; 3399c7569097SAriel Levkovich u32 max_chain; 3400c7569097SAriel Levkovich 3401c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3402c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3403c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3404c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3405c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3406c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3407c7569097SAriel Levkovich 3408c7569097SAriel Levkovich if (ft_flow) { 3409c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3410c7569097SAriel Levkovich return -EOPNOTSUPP; 3411c7569097SAriel Levkovich } 3412c7569097SAriel Levkovich 3413c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3414c7569097SAriel Levkovich dest_chain <= attr->chain) { 3415c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3416c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3417c7569097SAriel Levkovich return -EOPNOTSUPP; 3418c7569097SAriel Levkovich } 3419c7569097SAriel Levkovich 3420c7569097SAriel Levkovich if (dest_chain > max_chain) { 3421c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3422c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3423c7569097SAriel Levkovich return -EOPNOTSUPP; 3424c7569097SAriel Levkovich } 3425c7569097SAriel Levkovich 3426c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3427c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3428c7569097SAriel Levkovich !reformat_and_fwd) { 3429c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3430c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3431c7569097SAriel Levkovich return -EOPNOTSUPP; 3432c7569097SAriel Levkovich } 3433c7569097SAriel Levkovich 3434c7569097SAriel Levkovich return 0; 3435c7569097SAriel Levkovich } 3436c7569097SAriel Levkovich 343773867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 343873867881SPablo Neira Ayuso struct flow_action *flow_action, 3439aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3440e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3441e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3442e3a2b7edSAmir Vadai { 3443c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 344473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 344573867881SPablo Neira Ayuso const struct flow_action_entry *act; 3446c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 34471cab1cd7SOr Gerlitz u32 action = 0; 3448244cd96aSCong Wang int err, i; 3449e3a2b7edSAmir Vadai 345073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3451e3a2b7edSAmir Vadai return -EINVAL; 3452e3a2b7edSAmir Vadai 345353eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 345453eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3455319a1d19SJiri Pirko return -EOPNOTSUPP; 3456319a1d19SJiri Pirko 3457c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3458c620b772SAriel Levkovich 3459c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3460e3a2b7edSAmir Vadai 346173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 346273867881SPablo Neira Ayuso switch (act->id) { 346315fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 346415fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 346515fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 346615fc92ecSTonghao Zhang break; 346773867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 34681cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3469aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3470aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 34711cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 347273867881SPablo Neira Ayuso break; 347373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 347473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 347573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3476582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 34772f4fe4caSOr Gerlitz if (err) 34782f4fe4caSOr Gerlitz return err; 34792f4fe4caSOr Gerlitz 3480c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 348173867881SPablo Neira Ayuso break; 3482bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3483bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3484bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3485bdc837eeSEli Britstein act, parse_attr, hdrs, 3486bdc837eeSEli Britstein &action, extack); 3487bdc837eeSEli Britstein if (err) 3488bdc837eeSEli Britstein return err; 3489bdc837eeSEli Britstein 3490bdc837eeSEli Britstein break; 349173867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 34921cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 349373867881SPablo Neira Ayuso act->csum_flags, 3494e98bedf5SEli Britstein extack)) 349573867881SPablo Neira Ayuso break; 349626c02749SOr Gerlitz 349726c02749SOr Gerlitz return -EOPNOTSUPP; 349873867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 349973867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 35005c65c564SOr Gerlitz 35015c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 35025c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 350398b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3504226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 35051cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 35065c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 35075c65c564SOr Gerlitz } else { 3508e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3509e98bedf5SEli Britstein "device is not on same HW, can't offload"); 35105c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 35115c65c564SOr Gerlitz peer_dev->name); 35125c65c564SOr Gerlitz return -EINVAL; 35135c65c564SOr Gerlitz } 35145c65c564SOr Gerlitz } 351573867881SPablo Neira Ayuso break; 351673867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 351773867881SPablo Neira Ayuso u32 mark = act->mark; 3518e3a2b7edSAmir Vadai 3519e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3520e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3521e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3522e3a2b7edSAmir Vadai return -EINVAL; 3523e3a2b7edSAmir Vadai } 3524e3a2b7edSAmir Vadai 3525c620b772SAriel Levkovich nic_attr->flow_tag = mark; 35261cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3527e3a2b7edSAmir Vadai } 352873867881SPablo Neira Ayuso break; 3529c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3530c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3531c7569097SAriel Levkovich extack); 3532c7569097SAriel Levkovich if (err) 3533c7569097SAriel Levkovich return err; 3534c7569097SAriel Levkovich 3535c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3536c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3537c7569097SAriel Levkovich break; 3538aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3539aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3540aedd133dSAriel Levkovich if (err) 3541aedd133dSAriel Levkovich return err; 3542aedd133dSAriel Levkovich 3543aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3544aedd133dSAriel Levkovich break; 354573867881SPablo Neira Ayuso default: 35462cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 35472cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3548e3a2b7edSAmir Vadai } 354973867881SPablo Neira Ayuso } 3550e3a2b7edSAmir Vadai 3551c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3552c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3553c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 355427c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3555c500c86bSPablo Neira Ayuso if (err) 3556c500c86bSPablo Neira Ayuso return err; 355727c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 355827c11b6bSEli Britstein * flag. 355927c11b6bSEli Britstein */ 35606ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 356127c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 35626ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3563e7739a60SEli Britstein } 3564c500c86bSPablo Neira Ayuso } 3565c500c86bSPablo Neira Ayuso 35661cab1cd7SOr Gerlitz attr->action = action; 3567c7569097SAriel Levkovich 3568c7569097SAriel Levkovich if (attr->dest_chain) { 3569c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3570c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3571c7569097SAriel Levkovich return -EOPNOTSUPP; 3572c7569097SAriel Levkovich } 3573c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3574c7569097SAriel Levkovich } 3575c7569097SAriel Levkovich 3576c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 3577c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3578c7569097SAriel Levkovich 357973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3580bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3581bdd66ac0SOr Gerlitz 3582e3a2b7edSAmir Vadai return 0; 3583e3a2b7edSAmir Vadai } 3584e3a2b7edSAmir Vadai 35857f1a546eSEli Britstein struct encap_key { 35861f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3587d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 35887f1a546eSEli Britstein }; 35897f1a546eSEli Britstein 35907f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 35917f1a546eSEli Britstein struct encap_key *b) 3592a54e20b4SHadar Hen Zion { 35937f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3594d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3595a54e20b4SHadar Hen Zion } 3596a54e20b4SHadar Hen Zion 359714e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 359814e6b038SEli Cohen struct mlx5e_decap_key *b) 359914e6b038SEli Cohen { 360014e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 360114e6b038SEli Cohen } 360214e6b038SEli Cohen 36037f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3604a54e20b4SHadar Hen Zion { 36057f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3606d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3607a54e20b4SHadar Hen Zion } 3608a54e20b4SHadar Hen Zion 360914e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 361014e6b038SEli Cohen { 361114e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 361214e6b038SEli Cohen } 3613a54e20b4SHadar Hen Zion 361432134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3615b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3616b1d90e6bSRabie Loulou { 3617b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3618b1d90e6bSRabie Loulou 3619b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3620b1d90e6bSRabie Loulou 3621b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 362232134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 362332134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 362468931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3625b1d90e6bSRabie Loulou } 3626b1d90e6bSRabie Loulou 3627948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3628948993f2SVlad Buslov { 3629948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3630948993f2SVlad Buslov } 3631948993f2SVlad Buslov 363214e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 363314e6b038SEli Cohen { 363414e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 363514e6b038SEli Cohen } 363614e6b038SEli Cohen 3637948993f2SVlad Buslov static struct mlx5e_encap_entry * 3638948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3639948993f2SVlad Buslov uintptr_t hash_key) 3640948993f2SVlad Buslov { 3641948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3642948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3643948993f2SVlad Buslov struct encap_key e_key; 3644948993f2SVlad Buslov 3645948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3646948993f2SVlad Buslov encap_hlist, hash_key) { 3647948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3648948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3649948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3650948993f2SVlad Buslov mlx5e_encap_take(e)) 3651948993f2SVlad Buslov return e; 3652948993f2SVlad Buslov } 3653948993f2SVlad Buslov 3654948993f2SVlad Buslov return NULL; 3655948993f2SVlad Buslov } 3656948993f2SVlad Buslov 365714e6b038SEli Cohen static struct mlx5e_decap_entry * 365814e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 365914e6b038SEli Cohen uintptr_t hash_key) 366014e6b038SEli Cohen { 366114e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 366214e6b038SEli Cohen struct mlx5e_decap_key r_key; 366314e6b038SEli Cohen struct mlx5e_decap_entry *e; 366414e6b038SEli Cohen 366514e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 366614e6b038SEli Cohen hlist, hash_key) { 366714e6b038SEli Cohen r_key = e->key; 366814e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 366914e6b038SEli Cohen mlx5e_decap_take(e)) 367014e6b038SEli Cohen return e; 367114e6b038SEli Cohen } 367214e6b038SEli Cohen return NULL; 367314e6b038SEli Cohen } 367414e6b038SEli Cohen 36752a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 36762a4b6526SVlad Buslov { 36772a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 36782a4b6526SVlad Buslov 36792a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 36802a4b6526SVlad Buslov } 36812a4b6526SVlad Buslov 3682554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3683554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3684554fe75cSDmytro Linkin int out_index, 3685554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3686554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3687554fe75cSDmytro Linkin { 3688554fe75cSDmytro Linkin int i; 3689554fe75cSDmytro Linkin 3690554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3691554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3692554fe75cSDmytro Linkin continue; 3693554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3694554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3695554fe75cSDmytro Linkin return true; 3696554fe75cSDmytro Linkin } 3697554fe75cSDmytro Linkin 3698554fe75cSDmytro Linkin return false; 3699554fe75cSDmytro Linkin } 3700554fe75cSDmytro Linkin 3701a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3702e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3703733d4f36SRoi Dayan struct net_device *mirred_dev, 3704733d4f36SRoi Dayan int out_index, 37058c4dc42bSEli Britstein struct netlink_ext_ack *extack, 37060ad060eeSRoi Dayan struct net_device **encap_dev, 37070ad060eeSRoi Dayan bool *encap_valid) 370803a9d11eSOr Gerlitz { 3709a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3710733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3711c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 37121f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3713948993f2SVlad Buslov struct encap_key key; 3714c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3715733d4f36SRoi Dayan unsigned short family; 3716a54e20b4SHadar Hen Zion uintptr_t hash_key; 371754c177caSOz Shlomo int err = 0; 3718a54e20b4SHadar Hen Zion 3719733d4f36SRoi Dayan parse_attr = attr->parse_attr; 37201f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3721733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 37227f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3723d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3724d71f895cSEli Cohen if (!key.tc_tunnel) { 3725d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3726d71f895cSEli Cohen return -EOPNOTSUPP; 3727d71f895cSEli Cohen } 3728733d4f36SRoi Dayan 37297f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3730a54e20b4SHadar Hen Zion 373161086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3732948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3733a54e20b4SHadar Hen Zion 3734b2812089SVlad Buslov /* must verify if encap is valid or not */ 3735d589e785SVlad Buslov if (e) { 3736554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3737554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3738554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3739554fe75cSDmytro Linkin goto out_err; 3740554fe75cSDmytro Linkin } 3741554fe75cSDmytro Linkin 3742d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3743d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3744d589e785SVlad Buslov 3745d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3746d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 37473c140dd5SVlad Buslov if (e->compl_result < 0) { 3748d589e785SVlad Buslov err = -EREMOTEIO; 3749d589e785SVlad Buslov goto out_err; 3750d589e785SVlad Buslov } 375145247bf2SOr Gerlitz goto attach_flow; 3752d589e785SVlad Buslov } 3753a54e20b4SHadar Hen Zion 3754a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 375561086f39SVlad Buslov if (!e) { 375661086f39SVlad Buslov err = -ENOMEM; 375761086f39SVlad Buslov goto out_err; 375861086f39SVlad Buslov } 3759a54e20b4SHadar Hen Zion 3760948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3761d589e785SVlad Buslov init_completion(&e->res_ready); 3762d589e785SVlad Buslov 37632a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 37642a4b6526SVlad Buslov if (!tun_info) { 37652a4b6526SVlad Buslov err = -ENOMEM; 37662a4b6526SVlad Buslov goto out_err_init; 37672a4b6526SVlad Buslov } 37681f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3769101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 37702a4b6526SVlad Buslov if (err) 37712a4b6526SVlad Buslov goto out_err_init; 377254c177caSOz Shlomo 3773a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3774d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3775d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3776a54e20b4SHadar Hen Zion 3777ce99f6b9SOr Gerlitz if (family == AF_INET) 3778101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3779ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3780101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3781ce99f6b9SOr Gerlitz 3782d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3783d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3784d589e785SVlad Buslov complete_all(&e->res_ready); 3785d589e785SVlad Buslov if (err) { 3786d589e785SVlad Buslov e->compl_result = err; 3787a54e20b4SHadar Hen Zion goto out_err; 3788d589e785SVlad Buslov } 37893c140dd5SVlad Buslov e->compl_result = 1; 3790a54e20b4SHadar Hen Zion 379145247bf2SOr Gerlitz attach_flow: 3792948993f2SVlad Buslov flow->encaps[out_index].e = e; 37938c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 37948c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 379545247bf2SOr Gerlitz *encap_dev = e->out_dev; 37968c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 3797c620b772SAriel Levkovich attr->esw_attr->dests[out_index].pkt_reformat = e->pkt_reformat; 3798c620b772SAriel Levkovich attr->esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 37990ad060eeSRoi Dayan *encap_valid = true; 38008c4dc42bSEli Britstein } else { 38010ad060eeSRoi Dayan *encap_valid = false; 38028c4dc42bSEli Britstein } 380361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 380445247bf2SOr Gerlitz 3805232c0013SHadar Hen Zion return err; 3806a54e20b4SHadar Hen Zion 3807a54e20b4SHadar Hen Zion out_err: 380861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3809d589e785SVlad Buslov if (e) 3810d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3811a54e20b4SHadar Hen Zion return err; 38122a4b6526SVlad Buslov 38132a4b6526SVlad Buslov out_err_init: 38142a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 38152a4b6526SVlad Buslov kfree(tun_info); 38162a4b6526SVlad Buslov kfree(e); 38172a4b6526SVlad Buslov return err; 3818a54e20b4SHadar Hen Zion } 3819a54e20b4SHadar Hen Zion 382014e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 382114e6b038SEli Cohen struct mlx5e_tc_flow *flow, 382214e6b038SEli Cohen struct netlink_ext_ack *extack) 382314e6b038SEli Cohen { 382414e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3825c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 382614e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 382714e6b038SEli Cohen struct mlx5e_decap_entry *d; 382814e6b038SEli Cohen struct mlx5e_decap_key key; 382914e6b038SEli Cohen uintptr_t hash_key; 383028619046SNathan Chancellor int err = 0; 383114e6b038SEli Cohen 3832c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 383314e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 383414e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 383514e6b038SEli Cohen "encap header larger than max supported"); 383614e6b038SEli Cohen return -EOPNOTSUPP; 383714e6b038SEli Cohen } 383814e6b038SEli Cohen 383914e6b038SEli Cohen key.key = parse_attr->eth; 384014e6b038SEli Cohen hash_key = hash_decap_info(&key); 384114e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 384214e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 384314e6b038SEli Cohen if (d) { 384414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 384514e6b038SEli Cohen wait_for_completion(&d->res_ready); 384614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 384714e6b038SEli Cohen if (d->compl_result) { 384814e6b038SEli Cohen err = -EREMOTEIO; 384914e6b038SEli Cohen goto out_free; 385014e6b038SEli Cohen } 385114e6b038SEli Cohen goto found; 385214e6b038SEli Cohen } 385314e6b038SEli Cohen 385414e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 385514e6b038SEli Cohen if (!d) { 385614e6b038SEli Cohen err = -ENOMEM; 385714e6b038SEli Cohen goto out_err; 385814e6b038SEli Cohen } 385914e6b038SEli Cohen 386014e6b038SEli Cohen d->key = key; 386114e6b038SEli Cohen refcount_set(&d->refcnt, 1); 386214e6b038SEli Cohen init_completion(&d->res_ready); 386314e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 386414e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 386514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 386614e6b038SEli Cohen 386714e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 386814e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 386914e6b038SEli Cohen sizeof(parse_attr->eth), 387014e6b038SEli Cohen &parse_attr->eth, 387114e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 387214e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 387314e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 387414e6b038SEli Cohen d->compl_result = err; 387514e6b038SEli Cohen } 387614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 387714e6b038SEli Cohen complete_all(&d->res_ready); 387814e6b038SEli Cohen if (err) 387914e6b038SEli Cohen goto out_free; 388014e6b038SEli Cohen 388114e6b038SEli Cohen found: 388214e6b038SEli Cohen flow->decap_reformat = d; 388314e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 388414e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 388514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 388614e6b038SEli Cohen return 0; 388714e6b038SEli Cohen 388814e6b038SEli Cohen out_free: 388914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 389014e6b038SEli Cohen mlx5e_decap_put(priv, d); 389114e6b038SEli Cohen return err; 389214e6b038SEli Cohen 389314e6b038SEli Cohen out_err: 389414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 389514e6b038SEli Cohen return err; 389614e6b038SEli Cohen } 389714e6b038SEli Cohen 38981482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 389973867881SPablo Neira Ayuso const struct flow_action_entry *act, 39001482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 39011482bd3dSJianbo Liu u32 *action) 39021482bd3dSJianbo Liu { 3903cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3904cc495188SJianbo Liu 3905cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 39061482bd3dSJianbo Liu return -EOPNOTSUPP; 3907cc495188SJianbo Liu 390873867881SPablo Neira Ayuso switch (act->id) { 390973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3910cc495188SJianbo Liu if (vlan_idx) { 3911cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3912cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3913cc495188SJianbo Liu return -EOPNOTSUPP; 3914cc495188SJianbo Liu 3915cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3916cc495188SJianbo Liu } else { 3917cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3918cc495188SJianbo Liu } 391973867881SPablo Neira Ayuso break; 392073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 392173867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 392273867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 392373867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3924cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3925cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3926cc495188SJianbo Liu 3927cc495188SJianbo Liu if (vlan_idx) { 3928cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3929cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3930cc495188SJianbo Liu return -EOPNOTSUPP; 3931cc495188SJianbo Liu 3932cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3933cc495188SJianbo Liu } else { 3934cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 393573867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 393673867881SPablo Neira Ayuso act->vlan.prio)) 3937cc495188SJianbo Liu return -EOPNOTSUPP; 3938cc495188SJianbo Liu 3939cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 39401482bd3dSJianbo Liu } 394173867881SPablo Neira Ayuso break; 394273867881SPablo Neira Ayuso default: 3943bdc837eeSEli Britstein return -EINVAL; 39441482bd3dSJianbo Liu } 39451482bd3dSJianbo Liu 3946cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3947cc495188SJianbo Liu 39481482bd3dSJianbo Liu return 0; 39491482bd3dSJianbo Liu } 39501482bd3dSJianbo Liu 3951d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3952d34eb2fcSOr Gerlitz struct net_device *out_dev) 3953d34eb2fcSOr Gerlitz { 3954d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3955d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3956d34eb2fcSOr Gerlitz 3957d34eb2fcSOr Gerlitz rcu_read_lock(); 3958d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3959d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3960d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3961d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3962d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3963d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3964d34eb2fcSOr Gerlitz if (fdb_out_dev && 3965d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3966d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3967d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3968d34eb2fcSOr Gerlitz } 3969d34eb2fcSOr Gerlitz rcu_read_unlock(); 3970d34eb2fcSOr Gerlitz return fdb_out_dev; 3971d34eb2fcSOr Gerlitz } 3972d34eb2fcSOr Gerlitz 3973278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3974c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3975278748a9SEli Britstein struct net_device **out_dev, 3976278748a9SEli Britstein u32 *action) 3977278748a9SEli Britstein { 3978278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3979278748a9SEli Britstein struct flow_action_entry vlan_act = { 3980278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3981278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3982278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3983278748a9SEli Britstein .vlan.prio = 0, 3984278748a9SEli Britstein }; 3985278748a9SEli Britstein int err; 3986278748a9SEli Britstein 3987c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 3988278748a9SEli Britstein if (err) 3989278748a9SEli Britstein return err; 3990278748a9SEli Britstein 3991278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3992278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3993278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3994278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3995278748a9SEli Britstein 3996278748a9SEli Britstein return err; 3997278748a9SEli Britstein } 3998278748a9SEli Britstein 399935a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 4000c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 400135a605dbSEli Britstein u32 *action) 400235a605dbSEli Britstein { 400335a605dbSEli Britstein struct flow_action_entry vlan_act = { 400435a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 400535a605dbSEli Britstein }; 400670f478caSDmytro Linkin int nest_level, err = 0; 400735a605dbSEli Britstein 400870f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 400970f478caSDmytro Linkin priv->netdev->lower_level; 401035a605dbSEli Britstein while (nest_level--) { 4011c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 401235a605dbSEli Britstein if (err) 401335a605dbSEli Britstein return err; 401435a605dbSEli Britstein } 401535a605dbSEli Britstein 401635a605dbSEli Britstein return err; 401735a605dbSEli Britstein } 401835a605dbSEli Britstein 401932134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 402032134847SMaor Dickman struct net_device *peer_netdev) 402132134847SMaor Dickman { 402232134847SMaor Dickman struct mlx5e_priv *peer_priv; 402332134847SMaor Dickman 402432134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 402532134847SMaor Dickman 402632134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 402732134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 402832134847SMaor Dickman same_hw_devs(priv, peer_priv); 402932134847SMaor Dickman } 403032134847SMaor Dickman 403132134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 403232134847SMaor Dickman struct net_device *peer_netdev) 403332134847SMaor Dickman { 403432134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 403532134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 403632134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 403732134847SMaor Dickman } 403832134847SMaor Dickman 4039f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4040f6dc1264SPaul Blakey struct net_device *out_dev) 4041f6dc1264SPaul Blakey { 404232134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 404332134847SMaor Dickman return true; 404432134847SMaor Dickman 404532134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4046f6dc1264SPaul Blakey return true; 4047f6dc1264SPaul Blakey 4048f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 404932134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4050f6dc1264SPaul Blakey } 4051f6dc1264SPaul Blakey 4052554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 4053554fe75cSDmytro Linkin struct net_device *out_dev, 4054554fe75cSDmytro Linkin int *ifindexes, int if_count, 4055554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 4056554fe75cSDmytro Linkin { 4057554fe75cSDmytro Linkin int i; 4058554fe75cSDmytro Linkin 4059554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 4060554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 4061554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 4062554fe75cSDmytro Linkin "can't duplicate output to same device"); 4063554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 4064554fe75cSDmytro Linkin out_dev->name); 4065554fe75cSDmytro Linkin return true; 4066554fe75cSDmytro Linkin } 4067554fe75cSDmytro Linkin } 4068554fe75cSDmytro Linkin 4069554fe75cSDmytro Linkin return false; 4070554fe75cSDmytro Linkin } 4071554fe75cSDmytro Linkin 4072613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 4073613f53feSEli Cohen struct mlx5e_tc_flow *flow, 4074613f53feSEli Cohen struct net_device *out_dev, 4075613f53feSEli Cohen struct netlink_ext_ack *extack) 4076613f53feSEli Cohen { 4077c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 4078613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4079613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 4080613f53feSEli Cohen 4081613f53feSEli Cohen /* Forwarding non encapsulated traffic between 4082613f53feSEli Cohen * uplink ports is allowed only if 4083613f53feSEli Cohen * termination_table_raw_traffic cap is set. 4084613f53feSEli Cohen * 4085c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 4086613f53feSEli Cohen * In LAG case, *priv* is the private data of 4087613f53feSEli Cohen * uplink which may be not the input vport. 4088613f53feSEli Cohen */ 4089613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 4090613f53feSEli Cohen 4091613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 4092613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 4093613f53feSEli Cohen return 0; 4094613f53feSEli Cohen 4095613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 4096613f53feSEli Cohen termination_table_raw_traffic)) { 4097613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4098613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 4099613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 4100613f53feSEli Cohen priv->netdev->name, out_dev->name); 4101613f53feSEli Cohen return -EOPNOTSUPP; 4102613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 4103613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4104613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 4105613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 4106613f53feSEli Cohen priv->netdev->name, out_dev->name); 4107613f53feSEli Cohen return -EOPNOTSUPP; 4108613f53feSEli Cohen } 4109613f53feSEli Cohen return 0; 4110613f53feSEli Cohen } 4111613f53feSEli Cohen 411273867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 411373867881SPablo Neira Ayuso struct flow_action *flow_action, 4114e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 411514e6b038SEli Cohen struct netlink_ext_ack *extack, 411614e6b038SEli Cohen struct net_device *filter_dev) 4117a54e20b4SHadar Hen Zion { 411873867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 4119bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4120c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 41211d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 412273867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 4123c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4124554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 412584179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 412673867881SPablo Neira Ayuso const struct flow_action_entry *act; 4127c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 41280a7fcb78SPaul Blakey bool encap = false, decap = false; 41290a7fcb78SPaul Blakey u32 action = attr->action; 4130554fe75cSDmytro Linkin int err, i, if_count = 0; 4131f828ca6aSEli Cohen bool mpls_push = false; 413203a9d11eSOr Gerlitz 413373867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 413403a9d11eSOr Gerlitz return -EINVAL; 413503a9d11eSOr Gerlitz 413653eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 413753eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 4138319a1d19SJiri Pirko return -EOPNOTSUPP; 4139319a1d19SJiri Pirko 4140c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4141c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4142c620b772SAriel Levkovich 414373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 414473867881SPablo Neira Ayuso switch (act->id) { 414573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 41461cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 414703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 414873867881SPablo Neira Ayuso break; 4149f0288210SEli Cohen case FLOW_ACTION_TRAP: 4150f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4151f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4152f0288210SEli Cohen "action trap is supported as a sole action only"); 4153f0288210SEli Cohen return -EOPNOTSUPP; 4154f0288210SEli Cohen } 4155f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4156f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 4157f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 4158f0288210SEli Cohen break; 4159f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 4160f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 4161f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 4162f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 4163f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4164f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 4165f828ca6aSEli Cohen return -EOPNOTSUPP; 4166f828ca6aSEli Cohen } 4167f828ca6aSEli Cohen mpls_push = true; 4168f828ca6aSEli Cohen break; 416914e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 417014e6b038SEli Cohen /* we only support mpls pop if it is the first action 417114e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 417214e6b038SEli Cohen * actions can be pedit and the last can be mirred 417314e6b038SEli Cohen * egress redirect. 417414e6b038SEli Cohen */ 417514e6b038SEli Cohen if (i) { 417614e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 417714e6b038SEli Cohen "mpls pop supported only as first action"); 417814e6b038SEli Cohen return -EOPNOTSUPP; 417914e6b038SEli Cohen } 418014e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 418114e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 418214e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 418314e6b038SEli Cohen return -EOPNOTSUPP; 418414e6b038SEli Cohen } 418514e6b038SEli Cohen 418614e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 418714e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 418814e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 418914e6b038SEli Cohen break; 419073867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 419173867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 419273867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 4193582234b4SEli Cohen parse_attr, hdrs, flow, extack); 4194d7e75a32SOr Gerlitz if (err) 4195d7e75a32SOr Gerlitz return err; 4196d7e75a32SOr Gerlitz 4197582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 41981cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 4199c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4200582234b4SEli Cohen } 420173867881SPablo Neira Ayuso break; 420273867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 42031cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 420473867881SPablo Neira Ayuso act->csum_flags, extack)) 420573867881SPablo Neira Ayuso break; 420626c02749SOr Gerlitz 420726c02749SOr Gerlitz return -EOPNOTSUPP; 420873867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 420973867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 421003a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 4211592d3651SChris Mi struct net_device *out_dev; 421203a9d11eSOr Gerlitz 421373867881SPablo Neira Ayuso out_dev = act->dev; 4214ef381359SOz Shlomo if (!out_dev) { 4215ef381359SOz Shlomo /* out_dev is NULL when filters with 4216ef381359SOz Shlomo * non-existing mirred device are replayed to 4217ef381359SOz Shlomo * the driver. 4218ef381359SOz Shlomo */ 4219ef381359SOz Shlomo return -EINVAL; 4220ef381359SOz Shlomo } 422103a9d11eSOr Gerlitz 4222f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4223f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4224f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4225f828ca6aSEli Cohen return -EOPNOTSUPP; 4226f828ca6aSEli Cohen } 4227f828ca6aSEli Cohen 422884179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 422984179981SPaul Blakey /* Ignore forward to self rules generated 423084179981SPaul Blakey * by adding both mlx5 devs to the flow table 423184179981SPaul Blakey * block on a normal nft offload setup. 423284179981SPaul Blakey */ 423384179981SPaul Blakey return -EOPNOTSUPP; 423484179981SPaul Blakey } 423584179981SPaul Blakey 4236c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4237e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4238e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 42394ccd83f4SRoi Dayan netdev_warn(priv->netdev, 42404ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4241c620b772SAriel Levkovich esw_attr->out_count); 4242592d3651SChris Mi return -EOPNOTSUPP; 4243592d3651SChris Mi } 4244592d3651SChris Mi 4245f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4246f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4247b6a4ac24SVlad Buslov if (encap) { 4248c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 4249b6a4ac24SVlad Buslov out_dev->ifindex; 4250c620b772SAriel Levkovich parse_attr->tun_info[esw_attr->out_count] = dup_tun_info(info); 4251c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 4252b6a4ac24SVlad Buslov return -ENOMEM; 4253b6a4ac24SVlad Buslov encap = false; 4254c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 4255b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4256c620b772SAriel Levkovich esw_attr->out_count++; 4257b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4258b6a4ac24SVlad Buslov * handle encap 4259b6a4ac24SVlad Buslov */ 4260b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 42617ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 42627ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 42637ba58ba7SRabie Loulou 4264554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4265554fe75cSDmytro Linkin out_dev, 4266554fe75cSDmytro Linkin ifindexes, 4267554fe75cSDmytro Linkin if_count, 4268554fe75cSDmytro Linkin extack)) 4269554fe75cSDmytro Linkin return -EOPNOTSUPP; 4270554fe75cSDmytro Linkin 4271554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4272554fe75cSDmytro Linkin if_count++; 4273554fe75cSDmytro Linkin 4274d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4275d34eb2fcSOr Gerlitz if (!out_dev) 4276d34eb2fcSOr Gerlitz return -ENODEV; 42777ba58ba7SRabie Loulou 4278278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4279278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4280278748a9SEli Britstein &out_dev, 4281278748a9SEli Britstein &action); 4282278748a9SEli Britstein if (err) 4283278748a9SEli Britstein return err; 4284278748a9SEli Britstein } 4285f6dc1264SPaul Blakey 428635a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 428735a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 428835a605dbSEli Britstein &action); 428935a605dbSEli Britstein if (err) 429035a605dbSEli Britstein return err; 429135a605dbSEli Britstein } 4292278748a9SEli Britstein 4293613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4294613f53feSEli Cohen if (err) 4295613f53feSEli Cohen return err; 4296ffec9702STonghao Zhang 4297f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4298f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4299f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4300a0646c88SEli Britstein return -EOPNOTSUPP; 4301f6dc1264SPaul Blakey } 4302a0646c88SEli Britstein 430303a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 43041d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4305c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 4306c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 4307c620b772SAriel Levkovich esw_attr->out_count++; 4308ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4309ef381359SOz Shlomo /* All mlx5 devices are called to configure 4310ef381359SOz Shlomo * high level device filters. Therefore, the 4311ef381359SOz Shlomo * *attempt* to install a filter on invalid 4312ef381359SOz Shlomo * eswitch should not trigger an explicit error 4313ef381359SOz Shlomo */ 4314ef381359SOz Shlomo return -EINVAL; 4315a54e20b4SHadar Hen Zion } else { 4316e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4317e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 43184ccd83f4SRoi Dayan netdev_warn(priv->netdev, 43194ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 43204ccd83f4SRoi Dayan priv->netdev->name, 43214ccd83f4SRoi Dayan out_dev->name); 4322a54e20b4SHadar Hen Zion return -EINVAL; 4323a54e20b4SHadar Hen Zion } 4324a54e20b4SHadar Hen Zion } 432573867881SPablo Neira Ayuso break; 432673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 432773867881SPablo Neira Ayuso info = act->tunnel; 4328a54e20b4SHadar Hen Zion if (info) 4329a54e20b4SHadar Hen Zion encap = true; 4330a54e20b4SHadar Hen Zion else 4331a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 433203a9d11eSOr Gerlitz 433373867881SPablo Neira Ayuso break; 433473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 433573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 433676b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 433776b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 433876b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 433976b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 434076b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 434176b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 434276b496b1SEli Britstein act, parse_attr, hdrs, 434376b496b1SEli Britstein &action, extack); 434476b496b1SEli Britstein } else { 4345c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 434676b496b1SEli Britstein } 43471482bd3dSJianbo Liu if (err) 43481482bd3dSJianbo Liu return err; 43491482bd3dSJianbo Liu 4350c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 435173867881SPablo Neira Ayuso break; 4352bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4353bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4354bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4355bdc837eeSEli Britstein act, parse_attr, hdrs, 4356bdc837eeSEli Britstein &action, extack); 4357bdc837eeSEli Britstein if (err) 4358bdc837eeSEli Britstein return err; 4359bdc837eeSEli Britstein 4360c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4361bdc837eeSEli Britstein break; 436273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 43630a7fcb78SPaul Blakey decap = true; 436473867881SPablo Neira Ayuso break; 43652fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 4366c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 43672fbbc30dSEli Cohen extack); 43682fbbc30dSEli Cohen if (err) 43692fbbc30dSEli Cohen return err; 4370bf07aa73SPaul Blakey 4371e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 43722fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 437373867881SPablo Neira Ayuso break; 43744c3844d9SPaul Blakey case FLOW_ACTION_CT: 4375aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 43764c3844d9SPaul Blakey if (err) 43774c3844d9SPaul Blakey return err; 43784c3844d9SPaul Blakey 43794c3844d9SPaul Blakey flow_flag_set(flow, CT); 43804c3844d9SPaul Blakey break; 438173867881SPablo Neira Ayuso default: 43822cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 43832cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 438403a9d11eSOr Gerlitz } 438573867881SPablo Neira Ayuso } 4386bdd66ac0SOr Gerlitz 43870bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 43880bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 43890bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 43900bac1194SEli Britstein * tag rewrite. 43910bac1194SEli Britstein */ 43920bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 43930bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 43940bac1194SEli Britstein &action, extack); 43950bac1194SEli Britstein if (err) 43960bac1194SEli Britstein return err; 43970bac1194SEli Britstein } 43980bac1194SEli Britstein 4399c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4400c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 440184be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 440227c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4403c500c86bSPablo Neira Ayuso if (err) 4404c500c86bSPablo Neira Ayuso return err; 440527c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 440627c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 440727c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 440827c11b6bSEli Britstein */ 44096ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 441027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 44116ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 441227c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 441327c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 4414c620b772SAriel Levkovich esw_attr->split_count = 0; 441527c11b6bSEli Britstein } 4416c500c86bSPablo Neira Ayuso } 4417c500c86bSPablo Neira Ayuso 44181cab1cd7SOr Gerlitz attr->action = action; 441973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4420bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4421bdd66ac0SOr Gerlitz 4422e88afe75SOr Gerlitz if (attr->dest_chain) { 44230a7fcb78SPaul Blakey if (decap) { 44240a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 44250a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 44260a7fcb78SPaul Blakey * this tunnel id with this decap flow. 44270a7fcb78SPaul Blakey * 44280a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 44290a7fcb78SPaul Blakey * device. 44300a7fcb78SPaul Blakey */ 44310a7fcb78SPaul Blakey 44320a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 44330a7fcb78SPaul Blakey "Decap with goto isn't supported"); 44340a7fcb78SPaul Blakey netdev_warn(priv->netdev, 44350a7fcb78SPaul Blakey "Decap with goto isn't supported"); 44360a7fcb78SPaul Blakey return -EOPNOTSUPP; 44370a7fcb78SPaul Blakey } 44380a7fcb78SPaul Blakey 4439e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 444061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 444161644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4442e88afe75SOr Gerlitz return -EOPNOTSUPP; 4443e88afe75SOr Gerlitz } 4444e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4445e88afe75SOr Gerlitz } 4446e88afe75SOr Gerlitz 4447ae2741e2SVlad Buslov if (!(attr->action & 4448ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 444961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 445061644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4451ae2741e2SVlad Buslov return -EOPNOTSUPP; 4452ae2741e2SVlad Buslov } 4453ae2741e2SVlad Buslov 4454c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4455e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4456e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4457592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4458592d3651SChris Mi return -EOPNOTSUPP; 4459592d3651SChris Mi } 4460592d3651SChris Mi 446131c8eba5SOr Gerlitz return 0; 446203a9d11eSOr Gerlitz } 446303a9d11eSOr Gerlitz 4464226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 446560bd4af8SOr Gerlitz { 4466226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 446760bd4af8SOr Gerlitz 4468226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4469226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4470226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4471226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 447260bd4af8SOr Gerlitz 4473226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4474226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4475226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4476226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 447784179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 447884179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4479d9ee0491SOr Gerlitz 448060bd4af8SOr Gerlitz *flow_flags = __flow_flags; 448160bd4af8SOr Gerlitz } 448260bd4af8SOr Gerlitz 448305866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 448405866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 448505866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 448605866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 448705866c82SOr Gerlitz .automatic_shrinking = true, 448805866c82SOr Gerlitz }; 448905866c82SOr Gerlitz 4490226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4491226f2ca3SVlad Buslov unsigned long flags) 449205866c82SOr Gerlitz { 4493655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4494655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4495655dc3d2SOr Gerlitz 4496226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4497655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4498ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4499d9ee0491SOr Gerlitz } else /* NIC offload */ 450005866c82SOr Gerlitz return &priv->fs.tc.ht; 450105866c82SOr Gerlitz } 450205866c82SOr Gerlitz 450304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 450404de7ddaSRoi Dayan { 4505c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4506c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4507c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4508226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 45091418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 45101418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4511c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 45121418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 45131418ddd9SAviv Heller 451410fbb1cdSRoi Dayan if (!esw_paired) 451510fbb1cdSRoi Dayan return false; 451610fbb1cdSRoi Dayan 4517c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4518c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 451910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 452010fbb1cdSRoi Dayan return true; 452110fbb1cdSRoi Dayan 452210fbb1cdSRoi Dayan return false; 452304de7ddaSRoi Dayan } 452404de7ddaSRoi Dayan 4525c620b772SAriel Levkovich struct mlx5_flow_attr * 4526c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4527c620b772SAriel Levkovich { 4528c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4529c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4530c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4531c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4532c620b772SAriel Levkovich 4533c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4534c620b772SAriel Levkovich } 4535c620b772SAriel Levkovich 4536a88780a9SRoi Dayan static int 4537a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4538226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4539a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4540a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4541e3a2b7edSAmir Vadai { 454217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4543c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 45443bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4545ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4546ff7ea04aSGustavo A. R. Silva int out_index; 4547776b12b6SOr Gerlitz 4548c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 45491b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4550ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4551ff7ea04aSGustavo A. R. Silva goto err_free; 4552c620b772SAriel Levkovich 4553c620b772SAriel Levkovich flow->flags = flow_flags; 4554c620b772SAriel Levkovich flow->cookie = f->cookie; 4555c620b772SAriel Levkovich flow->priv = priv; 4556c620b772SAriel Levkovich 4557c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4558ff7ea04aSGustavo A. R. Silva if (!attr) 4559e3a2b7edSAmir Vadai goto err_free; 4560ff7ea04aSGustavo A. R. Silva 4561c620b772SAriel Levkovich flow->attr = attr; 4562e3a2b7edSAmir Vadai 45635a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 45645a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 45655a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 456614e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 45675a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 456895435ad7SVlad Buslov init_completion(&flow->init_done); 4569e3a2b7edSAmir Vadai 4570a88780a9SRoi Dayan *__flow = flow; 4571a88780a9SRoi Dayan *__parse_attr = parse_attr; 4572a88780a9SRoi Dayan 4573a88780a9SRoi Dayan return 0; 4574a88780a9SRoi Dayan 4575a88780a9SRoi Dayan err_free: 4576a88780a9SRoi Dayan kfree(flow); 4577a88780a9SRoi Dayan kvfree(parse_attr); 4578a88780a9SRoi Dayan return err; 4579adb4c123SOr Gerlitz } 4580adb4c123SOr Gerlitz 4581988ab9c7STonghao Zhang static void 4582c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4583c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4584c7569097SAriel Levkovich struct flow_cls_offload *f) 4585c7569097SAriel Levkovich { 4586c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4587c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4588c7569097SAriel Levkovich attr->prio = f->common.prio; 4589c7569097SAriel Levkovich } 4590c7569097SAriel Levkovich 4591c7569097SAriel Levkovich static void 4592c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4593988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4594988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4595f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4596988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4597988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4598988ab9c7STonghao Zhang { 4599988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4600c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4601988ab9c7STonghao Zhang 4602c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4603988ab9c7STonghao Zhang 4604988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4605988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4606988ab9c7STonghao Zhang 4607988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4608988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4609988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4610988ab9c7STonghao Zhang else 4611988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4612988ab9c7STonghao Zhang } 4613988ab9c7STonghao Zhang 461471129676SJason Gunthorpe static struct mlx5e_tc_flow * 461504de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4616f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4617226f2ca3SVlad Buslov unsigned long flow_flags, 4618d11afc26SOz Shlomo struct net_device *filter_dev, 461904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 462071129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4621a88780a9SRoi Dayan { 4622f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4623a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4624a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4625a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4626a88780a9SRoi Dayan int attr_size, err; 4627a88780a9SRoi Dayan 4628226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4629a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4630a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4631a88780a9SRoi Dayan &parse_attr, &flow); 4632a88780a9SRoi Dayan if (err) 4633a88780a9SRoi Dayan goto out; 4634988ab9c7STonghao Zhang 4635d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4636c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4637988ab9c7STonghao Zhang priv, parse_attr, 4638988ab9c7STonghao Zhang f, in_rep, in_mdev); 4639988ab9c7STonghao Zhang 464054c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 464154c177caSOz Shlomo f, filter_dev); 4642d11afc26SOz Shlomo if (err) 4643d11afc26SOz Shlomo goto err_free; 4644a88780a9SRoi Dayan 46457e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4646aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4647c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4648a88780a9SRoi Dayan if (err) 4649a88780a9SRoi Dayan goto err_free; 4650a88780a9SRoi Dayan 46517e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 46524c3844d9SPaul Blakey if (err) 46534c3844d9SPaul Blakey goto err_free; 46544c3844d9SPaul Blakey 46557040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 465695435ad7SVlad Buslov complete_all(&flow->init_done); 4657ef06c9eeSRoi Dayan if (err) { 4658ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4659aa0cbbaeSOr Gerlitz goto err_free; 46605c40348cSOr Gerlitz 4661b4a23329SRoi Dayan add_unready_flow(flow); 4662ef06c9eeSRoi Dayan } 4663ef06c9eeSRoi Dayan 466471129676SJason Gunthorpe return flow; 4665e3a2b7edSAmir Vadai 4666e3a2b7edSAmir Vadai err_free: 4667e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 46685a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4669a88780a9SRoi Dayan out: 467071129676SJason Gunthorpe return ERR_PTR(err); 4671a88780a9SRoi Dayan } 4672a88780a9SRoi Dayan 4673f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 467495dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4675226f2ca3SVlad Buslov unsigned long flow_flags) 467604de7ddaSRoi Dayan { 467704de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 467804de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4679c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 468004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 468104de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 468204de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 468304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 468404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 468504de7ddaSRoi Dayan int err = 0; 468604de7ddaSRoi Dayan 468704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 468804de7ddaSRoi Dayan if (!peer_esw) 468904de7ddaSRoi Dayan return -ENODEV; 469004de7ddaSRoi Dayan 469104de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 469204de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 469304de7ddaSRoi Dayan 469404de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 469504de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 469604de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 469704de7ddaSRoi Dayan * peer mdev. 469804de7ddaSRoi Dayan */ 4699c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 470004de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 470104de7ddaSRoi Dayan else 470204de7ddaSRoi Dayan in_mdev = priv->mdev; 470304de7ddaSRoi Dayan 4704c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 470595dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 470604de7ddaSRoi Dayan parse_attr->filter_dev, 4707c620b772SAriel Levkovich attr->in_rep, in_mdev); 470871129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 470971129676SJason Gunthorpe err = PTR_ERR(peer_flow); 471004de7ddaSRoi Dayan goto out; 471171129676SJason Gunthorpe } 471204de7ddaSRoi Dayan 471304de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4714226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 471504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 471604de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 471704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 471804de7ddaSRoi Dayan 471904de7ddaSRoi Dayan out: 472004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 472104de7ddaSRoi Dayan return err; 472204de7ddaSRoi Dayan } 472304de7ddaSRoi Dayan 472404de7ddaSRoi Dayan static int 472504de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4726f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4727226f2ca3SVlad Buslov unsigned long flow_flags, 472804de7ddaSRoi Dayan struct net_device *filter_dev, 472904de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 473004de7ddaSRoi Dayan { 473104de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 473204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 473304de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 473404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 473504de7ddaSRoi Dayan int err; 473604de7ddaSRoi Dayan 473771129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 473871129676SJason Gunthorpe in_mdev); 473971129676SJason Gunthorpe if (IS_ERR(flow)) 474071129676SJason Gunthorpe return PTR_ERR(flow); 474104de7ddaSRoi Dayan 474204de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 474395dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 474404de7ddaSRoi Dayan if (err) { 474504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 474604de7ddaSRoi Dayan goto out; 474704de7ddaSRoi Dayan } 474804de7ddaSRoi Dayan } 474904de7ddaSRoi Dayan 475004de7ddaSRoi Dayan *__flow = flow; 475104de7ddaSRoi Dayan 475204de7ddaSRoi Dayan return 0; 475304de7ddaSRoi Dayan 475404de7ddaSRoi Dayan out: 475504de7ddaSRoi Dayan return err; 475604de7ddaSRoi Dayan } 475704de7ddaSRoi Dayan 4758a88780a9SRoi Dayan static int 4759a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4760f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4761226f2ca3SVlad Buslov unsigned long flow_flags, 4762d11afc26SOz Shlomo struct net_device *filter_dev, 4763a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4764a88780a9SRoi Dayan { 4765f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4766a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4767a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4768a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4769a88780a9SRoi Dayan int attr_size, err; 4770a88780a9SRoi Dayan 4771c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4772bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4773bf07aa73SPaul Blakey return -EOPNOTSUPP; 4774c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4775c7569097SAriel Levkovich return -EOPNOTSUPP; 4776c7569097SAriel Levkovich } 4777bf07aa73SPaul Blakey 4778226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4779a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4780a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4781a88780a9SRoi Dayan &parse_attr, &flow); 4782a88780a9SRoi Dayan if (err) 4783a88780a9SRoi Dayan goto out; 4784a88780a9SRoi Dayan 4785d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4786c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4787c7569097SAriel Levkovich 478854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 478954c177caSOz Shlomo f, filter_dev); 4790d11afc26SOz Shlomo if (err) 4791d11afc26SOz Shlomo goto err_free; 4792d11afc26SOz Shlomo 4793aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4794aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4795aedd133dSAriel Levkovich if (err) 4796aedd133dSAriel Levkovich goto err_free; 4797aedd133dSAriel Levkovich 479873867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4799a88780a9SRoi Dayan if (err) 4800a88780a9SRoi Dayan goto err_free; 4801a88780a9SRoi Dayan 4802a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4803a88780a9SRoi Dayan if (err) 4804a88780a9SRoi Dayan goto err_free; 4805a88780a9SRoi Dayan 4806226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4807a88780a9SRoi Dayan *__flow = flow; 4808a88780a9SRoi Dayan 4809a88780a9SRoi Dayan return 0; 4810a88780a9SRoi Dayan 4811a88780a9SRoi Dayan err_free: 4812e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 48135a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4814a88780a9SRoi Dayan out: 4815a88780a9SRoi Dayan return err; 4816a88780a9SRoi Dayan } 4817a88780a9SRoi Dayan 4818a88780a9SRoi Dayan static int 4819a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4820f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4821226f2ca3SVlad Buslov unsigned long flags, 4822d11afc26SOz Shlomo struct net_device *filter_dev, 4823a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4824a88780a9SRoi Dayan { 4825a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4826226f2ca3SVlad Buslov unsigned long flow_flags; 4827a88780a9SRoi Dayan int err; 4828a88780a9SRoi Dayan 4829a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4830a88780a9SRoi Dayan 4831bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4832bf07aa73SPaul Blakey return -EOPNOTSUPP; 4833bf07aa73SPaul Blakey 4834f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4835d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4836d11afc26SOz Shlomo filter_dev, flow); 4837a88780a9SRoi Dayan else 4838d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4839d11afc26SOz Shlomo filter_dev, flow); 4840a88780a9SRoi Dayan 4841a88780a9SRoi Dayan return err; 4842a88780a9SRoi Dayan } 4843a88780a9SRoi Dayan 4844553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4845553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4846553f9328SVu Pham { 4847553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 48482fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 48492fb15e72SVlad Buslov * function is called from NIC mode. 4850553f9328SVu Pham */ 48512fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4852553f9328SVu Pham } 4853553f9328SVu Pham 485471d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4855226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4856a88780a9SRoi Dayan { 4857a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4858d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4859553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4860a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4861a88780a9SRoi Dayan int err = 0; 4862a88780a9SRoi Dayan 4863c5d326b2SVlad Buslov rcu_read_lock(); 4864c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4865a88780a9SRoi Dayan if (flow) { 4866553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4867553f9328SVu Pham * just return 0. 4868553f9328SVu Pham */ 4869553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4870c1aea9e1SVlad Buslov goto rcu_unlock; 4871553f9328SVu Pham 4872a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4873a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4874a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4875a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4876a88780a9SRoi Dayan f->cookie); 48770e1c1a2fSVlad Buslov err = -EEXIST; 4878c1aea9e1SVlad Buslov goto rcu_unlock; 4879a88780a9SRoi Dayan } 4880c1aea9e1SVlad Buslov rcu_unlock: 4881c1aea9e1SVlad Buslov rcu_read_unlock(); 4882c1aea9e1SVlad Buslov if (flow) 4883c1aea9e1SVlad Buslov goto out; 4884a88780a9SRoi Dayan 48857a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4886d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4887a88780a9SRoi Dayan if (err) 4888a88780a9SRoi Dayan goto out; 4889a88780a9SRoi Dayan 4890553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4891553f9328SVu Pham * set the flow's owner dev. 4892553f9328SVu Pham */ 4893553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4894553f9328SVu Pham flow->orig_dev = dev; 4895553f9328SVu Pham 4896c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4897a88780a9SRoi Dayan if (err) 4898a88780a9SRoi Dayan goto err_free; 4899a88780a9SRoi Dayan 4900a88780a9SRoi Dayan return 0; 4901a88780a9SRoi Dayan 4902a88780a9SRoi Dayan err_free: 49035a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4904a88780a9SRoi Dayan out: 4905e3a2b7edSAmir Vadai return err; 4906e3a2b7edSAmir Vadai } 4907e3a2b7edSAmir Vadai 49088f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 49098f8ae895SOr Gerlitz { 4910226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4911226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 49128f8ae895SOr Gerlitz 4913226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4914226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 49158f8ae895SOr Gerlitz } 49168f8ae895SOr Gerlitz 491771d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4918226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4919e3a2b7edSAmir Vadai { 4920d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4921e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4922c5d326b2SVlad Buslov int err; 4923e3a2b7edSAmir Vadai 4924c5d326b2SVlad Buslov rcu_read_lock(); 4925ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4926c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4927c5d326b2SVlad Buslov err = -EINVAL; 4928c5d326b2SVlad Buslov goto errout; 4929c5d326b2SVlad Buslov } 4930e3a2b7edSAmir Vadai 4931c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4932c5d326b2SVlad Buslov * set. 4933c5d326b2SVlad Buslov */ 4934c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4935c5d326b2SVlad Buslov err = -EINVAL; 4936c5d326b2SVlad Buslov goto errout; 4937c5d326b2SVlad Buslov } 493805866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4939c5d326b2SVlad Buslov rcu_read_unlock(); 4940e3a2b7edSAmir Vadai 49417a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 49425a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4943e3a2b7edSAmir Vadai 4944e3a2b7edSAmir Vadai return 0; 4945c5d326b2SVlad Buslov 4946c5d326b2SVlad Buslov errout: 4947c5d326b2SVlad Buslov rcu_read_unlock(); 4948c5d326b2SVlad Buslov return err; 4949e3a2b7edSAmir Vadai } 4950e3a2b7edSAmir Vadai 495171d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4952226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4953aad7e08dSAmir Vadai { 495404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4955d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 495604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4957aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4958aad7e08dSAmir Vadai struct mlx5_fc *counter; 4959316d5f72SRoi Dayan u64 lastuse = 0; 4960316d5f72SRoi Dayan u64 packets = 0; 4961316d5f72SRoi Dayan u64 bytes = 0; 49625a7e5bcbSVlad Buslov int err = 0; 4963aad7e08dSAmir Vadai 4964c5d326b2SVlad Buslov rcu_read_lock(); 4965c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 49665a7e5bcbSVlad Buslov tc_ht_params)); 4967c5d326b2SVlad Buslov rcu_read_unlock(); 49685a7e5bcbSVlad Buslov if (IS_ERR(flow)) 49695a7e5bcbSVlad Buslov return PTR_ERR(flow); 49705a7e5bcbSVlad Buslov 49715a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 49725a7e5bcbSVlad Buslov err = -EINVAL; 49735a7e5bcbSVlad Buslov goto errout; 49745a7e5bcbSVlad Buslov } 4975aad7e08dSAmir Vadai 49764c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4977b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4978aad7e08dSAmir Vadai if (!counter) 49795a7e5bcbSVlad Buslov goto errout; 4980aad7e08dSAmir Vadai 4981aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4982316d5f72SRoi Dayan } 4983aad7e08dSAmir Vadai 4984316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4985316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4986316d5f72SRoi Dayan */ 498704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 498804de7ddaSRoi Dayan if (!peer_esw) 498904de7ddaSRoi Dayan goto out; 499004de7ddaSRoi Dayan 4991226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4992226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 499304de7ddaSRoi Dayan u64 bytes2; 499404de7ddaSRoi Dayan u64 packets2; 499504de7ddaSRoi Dayan u64 lastuse2; 499604de7ddaSRoi Dayan 499704de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4998316d5f72SRoi Dayan if (!counter) 4999316d5f72SRoi Dayan goto no_peer_counter; 500004de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 500104de7ddaSRoi Dayan 500204de7ddaSRoi Dayan bytes += bytes2; 500304de7ddaSRoi Dayan packets += packets2; 500404de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 500504de7ddaSRoi Dayan } 500604de7ddaSRoi Dayan 5007316d5f72SRoi Dayan no_peer_counter: 500804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 500904de7ddaSRoi Dayan out: 50104b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 501193a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 50127a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 50135a7e5bcbSVlad Buslov errout: 50145a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 50155a7e5bcbSVlad Buslov return err; 5016aad7e08dSAmir Vadai } 5017aad7e08dSAmir Vadai 50181fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 5019fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5020fcb64c0fSEli Cohen { 5021fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5022fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 50231fe3e316SParav Pandit u32 rate_mbps = 0; 5024fcb64c0fSEli Cohen u16 vport_num; 5025fcb64c0fSEli Cohen int err; 5026fcb64c0fSEli Cohen 5027e401a184SEli Cohen vport_num = rpriv->rep->vport; 5028e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 5029e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 5030e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 5031e401a184SEli Cohen return -EOPNOTSUPP; 5032e401a184SEli Cohen } 5033e401a184SEli Cohen 5034fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 5035fcb64c0fSEli Cohen /* rate is given in bytes/sec. 5036fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 5037fcb64c0fSEli Cohen * mbit means million bits. 5038fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 5039fcb64c0fSEli Cohen * 1 mbit/sec. 5040fcb64c0fSEli Cohen */ 50411fe3e316SParav Pandit if (rate) { 50421fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 50431fe3e316SParav Pandit rate_mbps = max_t(u32, do_div(rate, 1000000), 1); 50441fe3e316SParav Pandit } 50451fe3e316SParav Pandit 5046fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 5047fcb64c0fSEli Cohen if (err) 5048fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5049fcb64c0fSEli Cohen 5050fcb64c0fSEli Cohen return err; 5051fcb64c0fSEli Cohen } 5052fcb64c0fSEli Cohen 5053fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5054fcb64c0fSEli Cohen struct flow_action *flow_action, 5055fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5056fcb64c0fSEli Cohen { 5057fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5058fcb64c0fSEli Cohen const struct flow_action_entry *act; 5059fcb64c0fSEli Cohen int err; 5060fcb64c0fSEli Cohen int i; 5061fcb64c0fSEli Cohen 5062fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5063fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5064fcb64c0fSEli Cohen return -EINVAL; 5065fcb64c0fSEli Cohen } 5066fcb64c0fSEli Cohen 5067fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5068fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5069fcb64c0fSEli Cohen return -EOPNOTSUPP; 5070fcb64c0fSEli Cohen } 5071fcb64c0fSEli Cohen 507253eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 5073319a1d19SJiri Pirko return -EOPNOTSUPP; 5074319a1d19SJiri Pirko 5075fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5076fcb64c0fSEli Cohen switch (act->id) { 5077fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 5078fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5079fcb64c0fSEli Cohen if (err) 5080fcb64c0fSEli Cohen return err; 5081fcb64c0fSEli Cohen 5082fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5083fcb64c0fSEli Cohen break; 5084fcb64c0fSEli Cohen default: 5085fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5086fcb64c0fSEli Cohen return -EOPNOTSUPP; 5087fcb64c0fSEli Cohen } 5088fcb64c0fSEli Cohen } 5089fcb64c0fSEli Cohen 5090fcb64c0fSEli Cohen return 0; 5091fcb64c0fSEli Cohen } 5092fcb64c0fSEli Cohen 5093fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5094fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5095fcb64c0fSEli Cohen { 5096b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 5097fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5098fcb64c0fSEli Cohen 5099b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 5100b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 5101b5f814ccSEli Cohen return -EOPNOTSUPP; 5102b5f814ccSEli Cohen } 5103b5f814ccSEli Cohen 51047b83355fSEli Cohen if (ma->common.prio != 1) { 5105fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5106fcb64c0fSEli Cohen return -EINVAL; 5107fcb64c0fSEli Cohen } 5108fcb64c0fSEli Cohen 5109fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5110fcb64c0fSEli Cohen } 5111fcb64c0fSEli Cohen 5112fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5113fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5114fcb64c0fSEli Cohen { 5115fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5116fcb64c0fSEli Cohen 5117fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5118fcb64c0fSEli Cohen } 5119fcb64c0fSEli Cohen 5120fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5121fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5122fcb64c0fSEli Cohen { 5123fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5124fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5125fcb64c0fSEli Cohen u64 dbytes; 5126fcb64c0fSEli Cohen u64 dpkts; 5127fcb64c0fSEli Cohen 5128fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5129fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5130fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5131fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 51324b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 513393a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5134fcb64c0fSEli Cohen } 5135fcb64c0fSEli Cohen 51364d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 51374d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 51384d8fcf21SAlaa Hleihel { 51394d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5140db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5141db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 51424d8fcf21SAlaa Hleihel u16 peer_vhca_id; 51434d8fcf21SAlaa Hleihel int bkt; 51444d8fcf21SAlaa Hleihel 51454d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 51464d8fcf21SAlaa Hleihel return; 51474d8fcf21SAlaa Hleihel 51484d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 51494d8fcf21SAlaa Hleihel 5150b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 5151db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 5152db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5153db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5154b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 5155db76ca24SVlad Buslov 5156db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5157db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5158db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5159db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 5160db76ca24SVlad Buslov 5161db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5162db76ca24SVlad Buslov } 51634d8fcf21SAlaa Hleihel } 51644d8fcf21SAlaa Hleihel 51654d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 51664d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 51674d8fcf21SAlaa Hleihel { 51684d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 51694d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 51704d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 51714d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 51724d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 51734d8fcf21SAlaa Hleihel 51744d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 51754d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 51764d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 51774d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51784d8fcf21SAlaa Hleihel 51794d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 51804d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 51814d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 51824d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 51834d8fcf21SAlaa Hleihel if (priv == peer_priv || 51844d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 51854d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51864d8fcf21SAlaa Hleihel 51874d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 51884d8fcf21SAlaa Hleihel 51894d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51904d8fcf21SAlaa Hleihel } 51914d8fcf21SAlaa Hleihel 51926a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 51936a064674SAriel Levkovich { 51946a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 51956a064674SAriel Levkovich u32 max_flow_counter; 51966a064674SAriel Levkovich 51976a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 51986a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 51996a064674SAriel Levkovich 52006a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 52016a064674SAriel Levkovich 52026a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 52036a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 52046a064674SAriel Levkovich 52056a064674SAriel Levkovich return tc_tbl_size; 52066a064674SAriel Levkovich } 52076a064674SAriel Levkovich 5208655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5209e8f887acSAmir Vadai { 5210acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 52116a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 52126a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 52134d8fcf21SAlaa Hleihel int err; 5214e8f887acSAmir Vadai 5215b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5216b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5217b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 52185c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 521911c9c548SOr Gerlitz 52204d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 52214d8fcf21SAlaa Hleihel if (err) 52224d8fcf21SAlaa Hleihel return err; 52234d8fcf21SAlaa Hleihel 5224c7569097SAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 5225c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5226c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 5227c7569097SAriel Levkovich attr.max_restore_tag = MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5228c7569097SAriel Levkovich } 52296a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 52306a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 52316a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 52326a064674SAriel Levkovich attr.default_ft = priv->fs.vlan.ft.t; 52336a064674SAriel Levkovich 52346a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 52356a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 52366a064674SAriel Levkovich err = PTR_ERR(tc->chains); 52376a064674SAriel Levkovich goto err_chains; 52386a064674SAriel Levkovich } 52396a064674SAriel Levkovich 5240aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 5241aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_KERNEL); 524268ec32daSWang Hai if (IS_ERR(tc->ct)) { 524368ec32daSWang Hai err = PTR_ERR(tc->ct); 5244aedd133dSAriel Levkovich goto err_ct; 524568ec32daSWang Hai } 5246aedd133dSAriel Levkovich 52474d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5248d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5249d48834f9SJiri Pirko &tc->netdevice_nb, 5250d48834f9SJiri Pirko &tc->netdevice_nn); 5251d48834f9SJiri Pirko if (err) { 52524d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 52534d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 52546a064674SAriel Levkovich goto err_reg; 52554d8fcf21SAlaa Hleihel } 52564d8fcf21SAlaa Hleihel 52576a064674SAriel Levkovich return 0; 52586a064674SAriel Levkovich 52596a064674SAriel Levkovich err_reg: 5260aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5261aedd133dSAriel Levkovich err_ct: 52626a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 52636a064674SAriel Levkovich err_chains: 52646a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 52654d8fcf21SAlaa Hleihel return err; 5266e8f887acSAmir Vadai } 5267e8f887acSAmir Vadai 5268e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5269e8f887acSAmir Vadai { 5270e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5271655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5272e8f887acSAmir Vadai 5273961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5274e8f887acSAmir Vadai kfree(flow); 5275e8f887acSAmir Vadai } 5276e8f887acSAmir Vadai 5277655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5278e8f887acSAmir Vadai { 5279acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5280e8f887acSAmir Vadai 52814d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5282d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5283d48834f9SJiri Pirko &tc->netdevice_nb, 5284d48834f9SJiri Pirko &tc->netdevice_nn); 52854d8fcf21SAlaa Hleihel 5286b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5287b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5288b32accdaSVlad Buslov 52896a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5290e8f887acSAmir Vadai 5291acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 52926a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5293acff797cSMaor Gottlieb tc->t = NULL; 5294e8f887acSAmir Vadai } 5295b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 52966a064674SAriel Levkovich 5297aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 52986a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 5299e8f887acSAmir Vadai } 5300655dc3d2SOr Gerlitz 5301655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5302655dc3d2SOr Gerlitz { 5303d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 53040a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 5305aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 53060a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5307aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5308aedd133dSAriel Levkovich struct mlx5e_priv *priv; 5309aedd133dSAriel Levkovich int err = 0; 53100a7fcb78SPaul Blakey 53110a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5312aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5313aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5314aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 53150a7fcb78SPaul Blakey 5316aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5317aedd133dSAriel Levkovich esw_chains(esw), 5318aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5319aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_FDB); 5320aedd133dSAriel Levkovich if (IS_ERR(uplink_priv->ct_priv)) 53214c3844d9SPaul Blakey goto err_ct; 53224c3844d9SPaul Blakey 53230a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 53240a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 53250a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 53260a7fcb78SPaul Blakey err = PTR_ERR(mapping); 53270a7fcb78SPaul Blakey goto err_tun_mapping; 53280a7fcb78SPaul Blakey } 53290a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 53300a7fcb78SPaul Blakey 53310a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 53320a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 53330a7fcb78SPaul Blakey err = PTR_ERR(mapping); 53340a7fcb78SPaul Blakey goto err_enc_opts_mapping; 53350a7fcb78SPaul Blakey } 53360a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 53370a7fcb78SPaul Blakey 53380a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 53390a7fcb78SPaul Blakey if (err) 53400a7fcb78SPaul Blakey goto err_ht_init; 53410a7fcb78SPaul Blakey 53420a7fcb78SPaul Blakey return err; 53430a7fcb78SPaul Blakey 53440a7fcb78SPaul Blakey err_ht_init: 53450a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53460a7fcb78SPaul Blakey err_enc_opts_mapping: 53470a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53480a7fcb78SPaul Blakey err_tun_mapping: 5349aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 53504c3844d9SPaul Blakey err_ct: 53510a7fcb78SPaul Blakey netdev_warn(priv->netdev, 53520a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 53530a7fcb78SPaul Blakey return err; 5354655dc3d2SOr Gerlitz } 5355655dc3d2SOr Gerlitz 5356655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5357655dc3d2SOr Gerlitz { 53580a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 53590a7fcb78SPaul Blakey 5360655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 53610a7fcb78SPaul Blakey 53620a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5363aedd133dSAriel Levkovich 53640a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53650a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53664c3844d9SPaul Blakey 5367aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5368655dc3d2SOr Gerlitz } 536901252a27SOr Gerlitz 5370226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 537101252a27SOr Gerlitz { 5372d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 537301252a27SOr Gerlitz 537401252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 537501252a27SOr Gerlitz } 537604de7ddaSRoi Dayan 537704de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 537804de7ddaSRoi Dayan { 537904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 538004de7ddaSRoi Dayan 538104de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 538204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 538304de7ddaSRoi Dayan } 5384b4a23329SRoi Dayan 5385b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5386b4a23329SRoi Dayan { 5387b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5388b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5389b4a23329SRoi Dayan reoffload_flows_work); 5390b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5391b4a23329SRoi Dayan 5392ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5393b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5394b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5395ad86755bSVlad Buslov unready_flow_del(flow); 5396b4a23329SRoi Dayan } 5397ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5398b4a23329SRoi Dayan } 5399e2394a61SVlad Buslov 5400e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5401e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5402e2394a61SVlad Buslov unsigned long flags) 5403e2394a61SVlad Buslov { 5404e2394a61SVlad Buslov switch (cls_flower->command) { 5405e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5406e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5407e2394a61SVlad Buslov flags); 5408e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5409e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5410e2394a61SVlad Buslov flags); 5411e2394a61SVlad Buslov case FLOW_CLS_STATS: 5412e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5413e2394a61SVlad Buslov flags); 5414e2394a61SVlad Buslov default: 5415e2394a61SVlad Buslov return -EOPNOTSUPP; 5416e2394a61SVlad Buslov } 5417e2394a61SVlad Buslov } 5418e2394a61SVlad Buslov 5419e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5420e2394a61SVlad Buslov void *cb_priv) 5421e2394a61SVlad Buslov { 5422e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5423e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5424e2394a61SVlad Buslov 5425e2394a61SVlad Buslov switch (type) { 5426e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5427e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5428e2394a61SVlad Buslov default: 5429e2394a61SVlad Buslov return -EOPNOTSUPP; 5430e2394a61SVlad Buslov } 5431e2394a61SVlad Buslov } 5432c7569097SAriel Levkovich 5433c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5434c7569097SAriel Levkovich struct sk_buff *skb) 5435c7569097SAriel Levkovich { 5436c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5437aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5438c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5439aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5440c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5441c7569097SAriel Levkovich int err; 5442c7569097SAriel Levkovich 5443c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5444c7569097SAriel Levkovich 5445c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5446c7569097SAriel Levkovich 5447c7569097SAriel Levkovich err = mlx5_get_chain_for_tag(nic_chains(priv), chain_tag, &chain); 5448c7569097SAriel Levkovich if (err) { 5449c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5450c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5451c7569097SAriel Levkovich chain_tag, err); 5452c7569097SAriel Levkovich return false; 5453c7569097SAriel Levkovich } 5454c7569097SAriel Levkovich 5455c7569097SAriel Levkovich if (chain) { 5456c7569097SAriel Levkovich tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); 5457c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5458c7569097SAriel Levkovich return false; 5459c7569097SAriel Levkovich 5460c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5461aedd133dSAriel Levkovich 5462aedd133dSAriel Levkovich zone_restore_id = (reg_b >> REG_MAPPING_SHIFT(NIC_ZONE_RESTORE_TO_REG)) & 5463aedd133dSAriel Levkovich ZONE_RESTORE_MAX; 5464aedd133dSAriel Levkovich 5465aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5466aedd133dSAriel Levkovich zone_restore_id)) 5467aedd133dSAriel Levkovich return false; 5468c7569097SAriel Levkovich } 5469c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5470c7569097SAriel Levkovich 5471c7569097SAriel Levkovich return true; 5472c7569097SAriel Levkovich } 5473