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" 70e8f887acSAmir Vadai 716a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 72d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 73226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7460bd4af8SOr Gerlitz 7565ba8fb7SOr Gerlitz enum { 76226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 77226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 78226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 7984179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 82226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 86226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 87c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 884c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 8914e6b038SEli Cohen MLX5E_TC_FLOW_FLAG_L3_TO_L2_DECAP = MLX5E_TC_FLOW_BASE + 8, 9065ba8fb7SOr Gerlitz }; 9165ba8fb7SOr Gerlitz 92e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 93e4ad91f2SChris Mi 9479baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 9579baaec7SEli Britstein * Containing struct 9679baaec7SEli Britstein * |- Helper array 9779baaec7SEli Britstein * [0] Helper item 0 9879baaec7SEli Britstein * |- list_head item 0 9979baaec7SEli Britstein * |- index (0) 10079baaec7SEli Britstein * [1] Helper item 1 10179baaec7SEli Britstein * |- list_head item 1 10279baaec7SEli Britstein * |- index (1) 10379baaec7SEli Britstein * To access the containing struct from one of the list_head items: 10479baaec7SEli Britstein * 1. Get the helper item from the list_head item using 10579baaec7SEli Britstein * helper item = 10679baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10779baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10879baaec7SEli Britstein * containing struct = 10979baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 11079baaec7SEli Britstein */ 11179baaec7SEli Britstein struct encap_flow_item { 112948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 11379baaec7SEli Britstein struct list_head list; 11479baaec7SEli Britstein int index; 11579baaec7SEli Britstein }; 11679baaec7SEli Britstein 117e8f887acSAmir Vadai struct mlx5e_tc_flow { 118e8f887acSAmir Vadai struct rhash_head node; 119655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 120e8f887acSAmir Vadai u64 cookie; 121226f2ca3SVlad Buslov unsigned long flags; 122e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 12314e6b038SEli Cohen 12414e6b038SEli Cohen /* flows sharing the same reformat object - currently mpls decap */ 12514e6b038SEli Cohen struct list_head l3_to_l2_reformat; 12614e6b038SEli Cohen struct mlx5e_decap_entry *decap_reformat; 12714e6b038SEli Cohen 12879baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 12979baaec7SEli Britstein * The number of encaps is bounded by the number of supported 13079baaec7SEli Britstein * destinations. 13179baaec7SEli Britstein */ 13279baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 13304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 134b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; /* attached mod header instance */ 135e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1365c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 13704de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 138b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 139553f9328SVu Pham struct net_device *orig_dev; /* netdev adding flow first */ 1402a1f1768SVlad Buslov int tmp_efi_index; 1416a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1425a7e5bcbSVlad Buslov refcount_t refcnt; 143c5d326b2SVlad Buslov struct rcu_head rcu_head; 14495435ad7SVlad Buslov struct completion init_done; 1450a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 146c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 147e8f887acSAmir Vadai }; 148e8f887acSAmir Vadai 14917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1501f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 151d11afc26SOz Shlomo struct net_device *filter_dev; 15217091853SOr Gerlitz struct mlx5_flow_spec spec; 1536ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 15498b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 15514e6b038SEli Cohen struct ethhdr eth; 15617091853SOr Gerlitz }; 15717091853SOr Gerlitz 158acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 1596a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 160e8f887acSAmir Vadai 1618f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1628f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1638f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1648f1e0b97SPaul Blakey .moffset = 0, 1658f1e0b97SPaul Blakey .mlen = 2, 1668f1e0b97SPaul Blakey }, 1670a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1680a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 169d12f4521SPaul Blakey .moffset = 1, 170d12f4521SPaul Blakey .mlen = 3, 1710a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1720a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1730a7fcb78SPaul Blakey }, 1744c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 175a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1764c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1774c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1784c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1794c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 180c7569097SAriel Levkovich /* For NIC rules we store the retore metadata directly 181c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 182c7569097SAriel Levkovich * jump between steering domains. 183c7569097SAriel Levkovich */ 184c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 185c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 186c7569097SAriel Levkovich .moffset = 0, 187c7569097SAriel Levkovich .mlen = 2, 188c7569097SAriel Levkovich }, 189aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1908f1e0b97SPaul Blakey }; 1918f1e0b97SPaul Blakey 1920a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1930a7fcb78SPaul Blakey 1940a7fcb78SPaul Blakey void 1950a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1960a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1970a7fcb78SPaul Blakey u32 data, 1980a7fcb78SPaul Blakey u32 mask) 1990a7fcb78SPaul Blakey { 2000a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2010a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2020a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2030a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2040a7fcb78SPaul Blakey void *fmask, *fval; 2050a7fcb78SPaul Blakey 2060a7fcb78SPaul Blakey fmask = headers_c + soffset; 2070a7fcb78SPaul Blakey fval = headers_v + soffset; 2080a7fcb78SPaul Blakey 20958ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 21058ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 2110a7fcb78SPaul Blakey 2120a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2130a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2140a7fcb78SPaul Blakey 2150a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2160a7fcb78SPaul Blakey } 2170a7fcb78SPaul Blakey 2187e36feebSPaul Blakey void 2197e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2207e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 2217e36feebSPaul Blakey u32 *data, 2227e36feebSPaul Blakey u32 *mask) 2237e36feebSPaul Blakey { 2247e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2257e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2267e36feebSPaul Blakey void *headers_c = spec->match_criteria; 2277e36feebSPaul Blakey void *headers_v = spec->match_value; 2287e36feebSPaul Blakey void *fmask, *fval; 2297e36feebSPaul Blakey 2307e36feebSPaul Blakey fmask = headers_c + soffset; 2317e36feebSPaul Blakey fval = headers_v + soffset; 2327e36feebSPaul Blakey 2337e36feebSPaul Blakey memcpy(mask, fmask, match_len); 2347e36feebSPaul Blakey memcpy(data, fval, match_len); 2357e36feebSPaul Blakey 2367e36feebSPaul Blakey *mask = be32_to_cpu((__force __be32)(*mask << (32 - (match_len * 8)))); 2377e36feebSPaul Blakey *data = be32_to_cpu((__force __be32)(*data << (32 - (match_len * 8)))); 2387e36feebSPaul Blakey } 2397e36feebSPaul Blakey 2400a7fcb78SPaul Blakey int 2410a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2420a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 243aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2440a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2450a7fcb78SPaul Blakey u32 data) 2460a7fcb78SPaul Blakey { 2470a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2480a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2490a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2500a7fcb78SPaul Blakey char *modact; 2510a7fcb78SPaul Blakey int err; 2520a7fcb78SPaul Blakey 253aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 2540a7fcb78SPaul Blakey if (err) 2550a7fcb78SPaul Blakey return err; 2560a7fcb78SPaul Blakey 2570a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2580a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2590a7fcb78SPaul Blakey 2600a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2610a7fcb78SPaul Blakey if (mlen == 4) 2620a7fcb78SPaul Blakey mlen = 0; 2630a7fcb78SPaul Blakey 2640a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2650a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2660a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2670a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2680a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2690a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2700a7fcb78SPaul Blakey 2710a7fcb78SPaul Blakey return 0; 2720a7fcb78SPaul Blakey } 2730a7fcb78SPaul Blakey 274aedd133dSAriel Levkovich #define esw_offloads_mode(esw) (mlx5_eswitch_mode(esw) == MLX5_ESWITCH_OFFLOADS) 275aedd133dSAriel Levkovich 276aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 277aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 278aedd133dSAriel Levkovich { 279aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 280aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 281aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 282aedd133dSAriel Levkovich 283aedd133dSAriel Levkovich if (esw_offloads_mode(esw)) { 284aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 285aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 286aedd133dSAriel Levkovich 287aedd133dSAriel Levkovich return uplink_priv->ct_priv; 288aedd133dSAriel Levkovich } 289aedd133dSAriel Levkovich 290aedd133dSAriel Levkovich return priv->fs.tc.ct; 291aedd133dSAriel Levkovich } 292aedd133dSAriel Levkovich 293aedd133dSAriel Levkovich struct mlx5_flow_handle * 294aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 295aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 296aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 297aedd133dSAriel Levkovich { 298aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 299aedd133dSAriel Levkovich 300aedd133dSAriel Levkovich if (esw_offloads_mode(esw)) 301aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 302aedd133dSAriel Levkovich 303aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 304aedd133dSAriel Levkovich } 305aedd133dSAriel Levkovich 306aedd133dSAriel Levkovich void 307aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 308aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 309aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 310aedd133dSAriel Levkovich { 311aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 312aedd133dSAriel Levkovich 313aedd133dSAriel Levkovich if (esw_offloads_mode(esw)) { 314aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 315aedd133dSAriel Levkovich 316aedd133dSAriel Levkovich return; 317aedd133dSAriel Levkovich } 318aedd133dSAriel Levkovich 319aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 320aedd133dSAriel Levkovich } 321aedd133dSAriel Levkovich 32277ab67b7SOr Gerlitz struct mlx5e_hairpin { 32377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 32477ab67b7SOr Gerlitz 32577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3263f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 32777ab67b7SOr Gerlitz u32 tdn; 32877ab67b7SOr Gerlitz u32 tirn; 3293f6d08d1SOr Gerlitz 3303f6d08d1SOr Gerlitz int num_channels; 3313f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 3323f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 3333f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 33477ab67b7SOr Gerlitz }; 33577ab67b7SOr Gerlitz 3365c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3375c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3385c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3395c65c564SOr Gerlitz 34073edca73SVlad Buslov /* protects flows list */ 34173edca73SVlad Buslov spinlock_t flows_lock; 3425c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3435c65c564SOr Gerlitz struct list_head flows; 344db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 345db76ca24SVlad Buslov * function traversed them. 346db76ca24SVlad Buslov */ 347db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3485c65c564SOr Gerlitz 349d8822868SOr Gerlitz u16 peer_vhca_id; 350106be53bSOr Gerlitz u8 prio; 3515c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 352e4f9abbdSVlad Buslov refcount_t refcnt; 353db76ca24SVlad Buslov struct completion res_ready; 3545c65c564SOr Gerlitz }; 3555c65c564SOr Gerlitz 3565a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3575a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3585a7e5bcbSVlad Buslov 3595a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3605a7e5bcbSVlad Buslov { 3615a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3625a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3635a7e5bcbSVlad Buslov return flow; 3645a7e5bcbSVlad Buslov } 3655a7e5bcbSVlad Buslov 3665a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3675a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3685a7e5bcbSVlad Buslov { 3695a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3705a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 371c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3725a7e5bcbSVlad Buslov } 3735a7e5bcbSVlad Buslov } 3745a7e5bcbSVlad Buslov 375226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 376226f2ca3SVlad Buslov { 377226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 378226f2ca3SVlad Buslov smp_mb__before_atomic(); 379226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 380226f2ca3SVlad Buslov } 381226f2ca3SVlad Buslov 382226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 383226f2ca3SVlad Buslov 384c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 385c5d326b2SVlad Buslov unsigned long flag) 386c5d326b2SVlad Buslov { 387c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 388c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 389c5d326b2SVlad Buslov } 390c5d326b2SVlad Buslov 391c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 392c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 393c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 394c5d326b2SVlad Buslov 395226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 396226f2ca3SVlad Buslov { 397226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 398226f2ca3SVlad Buslov smp_mb__before_atomic(); 399226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 400226f2ca3SVlad Buslov } 401226f2ca3SVlad Buslov 402226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 403226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 404226f2ca3SVlad Buslov 405226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 406226f2ca3SVlad Buslov { 407226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 408226f2ca3SVlad Buslov 409226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 410226f2ca3SVlad Buslov smp_mb__after_atomic(); 411226f2ca3SVlad Buslov return ret; 412226f2ca3SVlad Buslov } 413226f2ca3SVlad Buslov 414226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 415226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 416226f2ca3SVlad Buslov 417aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 418226f2ca3SVlad Buslov { 419226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 420226f2ca3SVlad Buslov } 421226f2ca3SVlad Buslov 42284179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 42384179981SPaul Blakey { 42484179981SPaul Blakey return flow_flag_test(flow, FT); 42584179981SPaul Blakey } 42684179981SPaul Blakey 427226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 428226f2ca3SVlad Buslov { 429226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 430226f2ca3SVlad Buslov } 431226f2ca3SVlad Buslov 432d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 433d2faae25SVlad Buslov { 434d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 435d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 436d2faae25SVlad Buslov } 437b2fdf3d0SPaul Blakey 438b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 439b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 440b2fdf3d0SPaul Blakey { 441b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 442b2fdf3d0SPaul Blakey 443b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 444b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 445b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 446b2fdf3d0SPaul Blakey } 447b2fdf3d0SPaul Blakey 44811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 44911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 45011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 45111c9c548SOr Gerlitz { 452b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 453b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 45411c9c548SOr Gerlitz 455b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 456b2fdf3d0SPaul Blakey get_flow_name_space(flow), 457b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 458b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 459b2fdf3d0SPaul Blakey return PTR_ERR(mh); 46011c9c548SOr Gerlitz 461b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 462c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 463b2fdf3d0SPaul Blakey flow->mh = mh; 46411c9c548SOr Gerlitz 46511c9c548SOr Gerlitz return 0; 46611c9c548SOr Gerlitz } 46711c9c548SOr Gerlitz 46811c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 46911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 47011c9c548SOr Gerlitz { 4715a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 472dd58edc3SVlad Buslov if (!flow->mh) 4735a7e5bcbSVlad Buslov return; 4745a7e5bcbSVlad Buslov 475b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 476b2fdf3d0SPaul Blakey flow->mh); 477dd58edc3SVlad Buslov flow->mh = NULL; 47811c9c548SOr Gerlitz } 47911c9c548SOr Gerlitz 48077ab67b7SOr Gerlitz static 48177ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 48277ab67b7SOr Gerlitz { 48377ab67b7SOr Gerlitz struct net_device *netdev; 48477ab67b7SOr Gerlitz struct mlx5e_priv *priv; 48577ab67b7SOr Gerlitz 48677ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 48777ab67b7SOr Gerlitz priv = netdev_priv(netdev); 48877ab67b7SOr Gerlitz return priv->mdev; 48977ab67b7SOr Gerlitz } 49077ab67b7SOr Gerlitz 49177ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 49277ab67b7SOr Gerlitz { 493e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 49477ab67b7SOr Gerlitz void *tirc; 49577ab67b7SOr Gerlitz int err; 49677ab67b7SOr Gerlitz 49777ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 49877ab67b7SOr Gerlitz if (err) 49977ab67b7SOr Gerlitz goto alloc_tdn_err; 50077ab67b7SOr Gerlitz 50177ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 50277ab67b7SOr Gerlitz 50377ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 504ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 50577ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 50677ab67b7SOr Gerlitz 507e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 50877ab67b7SOr Gerlitz if (err) 50977ab67b7SOr Gerlitz goto create_tir_err; 51077ab67b7SOr Gerlitz 51177ab67b7SOr Gerlitz return 0; 51277ab67b7SOr Gerlitz 51377ab67b7SOr Gerlitz create_tir_err: 51477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 51577ab67b7SOr Gerlitz alloc_tdn_err: 51677ab67b7SOr Gerlitz return err; 51777ab67b7SOr Gerlitz } 51877ab67b7SOr Gerlitz 51977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 52077ab67b7SOr Gerlitz { 52177ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 52277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 52377ab67b7SOr Gerlitz } 52477ab67b7SOr Gerlitz 5253f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5263f6d08d1SOr Gerlitz { 5273f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5283f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5293f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5303f6d08d1SOr Gerlitz 5313f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5323f6d08d1SOr Gerlitz hp->num_channels); 5333f6d08d1SOr Gerlitz 5343f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5353f6d08d1SOr Gerlitz ix = i; 536bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5373f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5383f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5393f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5403f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5413f6d08d1SOr Gerlitz } 5423f6d08d1SOr Gerlitz } 5433f6d08d1SOr Gerlitz 5443f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5453f6d08d1SOr Gerlitz { 5463f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5473f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5483f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5493f6d08d1SOr Gerlitz void *rqtc; 5503f6d08d1SOr Gerlitz u32 *in; 5513f6d08d1SOr Gerlitz 5523f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5533f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5543f6d08d1SOr Gerlitz if (!in) 5553f6d08d1SOr Gerlitz return -ENOMEM; 5563f6d08d1SOr Gerlitz 5573f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5583f6d08d1SOr Gerlitz 5593f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5603f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5613f6d08d1SOr Gerlitz 5623f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5633f6d08d1SOr Gerlitz 5643f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5653f6d08d1SOr Gerlitz if (!err) 5663f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5673f6d08d1SOr Gerlitz 5683f6d08d1SOr Gerlitz kvfree(in); 5693f6d08d1SOr Gerlitz return err; 5703f6d08d1SOr Gerlitz } 5713f6d08d1SOr Gerlitz 5723f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5733f6d08d1SOr Gerlitz { 5743f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5753f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5763f6d08d1SOr Gerlitz int tt, i, err; 5773f6d08d1SOr Gerlitz void *tirc; 5783f6d08d1SOr Gerlitz 5793f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 580d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 581d930ac79SAya Levin 5823f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5833f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5863f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5873f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 588bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 589bbeb53b8SAya Levin 5903f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 591e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 5923f6d08d1SOr Gerlitz if (err) { 5933f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5943f6d08d1SOr Gerlitz goto err_destroy_tirs; 5953f6d08d1SOr Gerlitz } 5963f6d08d1SOr Gerlitz } 5973f6d08d1SOr Gerlitz return 0; 5983f6d08d1SOr Gerlitz 5993f6d08d1SOr Gerlitz err_destroy_tirs: 6003f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6013f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6023f6d08d1SOr Gerlitz return err; 6033f6d08d1SOr Gerlitz } 6043f6d08d1SOr Gerlitz 6053f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6063f6d08d1SOr Gerlitz { 6073f6d08d1SOr Gerlitz int tt; 6083f6d08d1SOr Gerlitz 6093f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6103f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6113f6d08d1SOr Gerlitz } 6123f6d08d1SOr Gerlitz 6133f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6143f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6153f6d08d1SOr Gerlitz { 6163f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6173f6d08d1SOr Gerlitz int tt; 6183f6d08d1SOr Gerlitz 6193f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 6223f6d08d1SOr Gerlitz 6233f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6243f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6253f6d08d1SOr Gerlitz 6266412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6273f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6283f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6293f6d08d1SOr Gerlitz } 6303f6d08d1SOr Gerlitz 6313f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6323f6d08d1SOr Gerlitz { 6333f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6343f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6353f6d08d1SOr Gerlitz int err; 6363f6d08d1SOr Gerlitz 6373f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6383f6d08d1SOr Gerlitz if (err) 6393f6d08d1SOr Gerlitz return err; 6403f6d08d1SOr Gerlitz 6413f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6423f6d08d1SOr Gerlitz if (err) 6433f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6443f6d08d1SOr Gerlitz 6453f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6463f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6473f6d08d1SOr Gerlitz if (err) 6483f6d08d1SOr Gerlitz goto err_create_ttc_table; 6493f6d08d1SOr Gerlitz 6503f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6513f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6523f6d08d1SOr Gerlitz 6533f6d08d1SOr Gerlitz return 0; 6543f6d08d1SOr Gerlitz 6553f6d08d1SOr Gerlitz err_create_ttc_table: 6563f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6573f6d08d1SOr Gerlitz err_create_indirect_tirs: 6583f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6593f6d08d1SOr Gerlitz 6603f6d08d1SOr Gerlitz return err; 6613f6d08d1SOr Gerlitz } 6623f6d08d1SOr Gerlitz 6633f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6643f6d08d1SOr Gerlitz { 6653f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6663f6d08d1SOr Gerlitz 6673f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6683f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6693f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6703f6d08d1SOr Gerlitz } 6713f6d08d1SOr Gerlitz 67277ab67b7SOr Gerlitz static struct mlx5e_hairpin * 67377ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 67477ab67b7SOr Gerlitz int peer_ifindex) 67577ab67b7SOr Gerlitz { 67677ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 67777ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 67877ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 67977ab67b7SOr Gerlitz int err; 68077ab67b7SOr Gerlitz 68177ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 68277ab67b7SOr Gerlitz if (!hp) 68377ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 68477ab67b7SOr Gerlitz 68577ab67b7SOr Gerlitz func_mdev = priv->mdev; 68677ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 68777ab67b7SOr Gerlitz 68877ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 68977ab67b7SOr Gerlitz if (IS_ERR(pair)) { 69077ab67b7SOr Gerlitz err = PTR_ERR(pair); 69177ab67b7SOr Gerlitz goto create_pair_err; 69277ab67b7SOr Gerlitz } 69377ab67b7SOr Gerlitz hp->pair = pair; 69477ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6953f6d08d1SOr Gerlitz hp->func_priv = priv; 6963f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 69777ab67b7SOr Gerlitz 69877ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 69977ab67b7SOr Gerlitz if (err) 70077ab67b7SOr Gerlitz goto create_transport_err; 70177ab67b7SOr Gerlitz 7023f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7033f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7043f6d08d1SOr Gerlitz if (err) 7053f6d08d1SOr Gerlitz goto rss_init_err; 7063f6d08d1SOr Gerlitz } 7073f6d08d1SOr Gerlitz 70877ab67b7SOr Gerlitz return hp; 70977ab67b7SOr Gerlitz 7103f6d08d1SOr Gerlitz rss_init_err: 7113f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71277ab67b7SOr Gerlitz create_transport_err: 71377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71477ab67b7SOr Gerlitz create_pair_err: 71577ab67b7SOr Gerlitz kfree(hp); 71677ab67b7SOr Gerlitz return ERR_PTR(err); 71777ab67b7SOr Gerlitz } 71877ab67b7SOr Gerlitz 71977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 72077ab67b7SOr Gerlitz { 7213f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7223f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 72377ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 72477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 72577ab67b7SOr Gerlitz kvfree(hp); 72677ab67b7SOr Gerlitz } 72777ab67b7SOr Gerlitz 728106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 729106be53bSOr Gerlitz { 730106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 731106be53bSOr Gerlitz } 732106be53bSOr Gerlitz 7335c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 734106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7355c65c564SOr Gerlitz { 7365c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 737106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7385c65c564SOr Gerlitz 7395c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 740106be53bSOr Gerlitz hairpin_hlist, hash_key) { 741e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 742e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7435c65c564SOr Gerlitz return hpe; 7445c65c564SOr Gerlitz } 745e4f9abbdSVlad Buslov } 7465c65c564SOr Gerlitz 7475c65c564SOr Gerlitz return NULL; 7485c65c564SOr Gerlitz } 7495c65c564SOr Gerlitz 750e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 751e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 752e4f9abbdSVlad Buslov { 753e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 754b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 755e4f9abbdSVlad Buslov return; 756b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 757b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 758e4f9abbdSVlad Buslov 759db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 760e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 761e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 762e4f9abbdSVlad Buslov 763e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 764db76ca24SVlad Buslov } 765db76ca24SVlad Buslov 766db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 767e4f9abbdSVlad Buslov kfree(hpe); 768e4f9abbdSVlad Buslov } 769e4f9abbdSVlad Buslov 770106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 771106be53bSOr Gerlitz 772106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 773e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 774e98bedf5SEli Britstein struct netlink_ext_ack *extack) 775106be53bSOr Gerlitz { 776106be53bSOr Gerlitz void *headers_c, *headers_v; 777106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 778106be53bSOr Gerlitz bool vlan_present; 779106be53bSOr Gerlitz 780106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 781106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 782e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 783e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 784106be53bSOr Gerlitz return -EOPNOTSUPP; 785106be53bSOr Gerlitz } 786106be53bSOr Gerlitz #endif 787106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 788106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 789106be53bSOr Gerlitz 790106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 791106be53bSOr Gerlitz if (vlan_present) { 792106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 793106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 794106be53bSOr Gerlitz } 795106be53bSOr Gerlitz 796106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 797106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 798106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 799e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 800e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 801106be53bSOr Gerlitz return -EOPNOTSUPP; 802106be53bSOr Gerlitz } 803106be53bSOr Gerlitz 804106be53bSOr Gerlitz *match_prio = prio_val; 805106be53bSOr Gerlitz return 0; 806106be53bSOr Gerlitz } 807106be53bSOr Gerlitz 8085c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8095c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 810e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 811e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8125c65c564SOr Gerlitz { 81398b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8145c65c564SOr Gerlitz struct mlx5_hairpin_params params; 815d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8165c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8175c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8183f6d08d1SOr Gerlitz u64 link_speed64; 8193f6d08d1SOr Gerlitz u32 link_speed; 820106be53bSOr Gerlitz u8 match_prio; 821d8822868SOr Gerlitz u16 peer_id; 8225c65c564SOr Gerlitz int err; 8235c65c564SOr Gerlitz 824d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 825d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 826e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8275c65c564SOr Gerlitz return -EOPNOTSUPP; 8285c65c564SOr Gerlitz } 8295c65c564SOr Gerlitz 830d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 831e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 832e98bedf5SEli Britstein extack); 833106be53bSOr Gerlitz if (err) 834106be53bSOr Gerlitz return err; 835b32accdaSVlad Buslov 836b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 837106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 838db76ca24SVlad Buslov if (hpe) { 839db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 840db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 841db76ca24SVlad Buslov 842db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 843db76ca24SVlad Buslov err = -EREMOTEIO; 844db76ca24SVlad Buslov goto out_err; 845db76ca24SVlad Buslov } 8465c65c564SOr Gerlitz goto attach_flow; 847db76ca24SVlad Buslov } 8485c65c564SOr Gerlitz 8495c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 850b32accdaSVlad Buslov if (!hpe) { 851db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 852db76ca24SVlad Buslov return -ENOMEM; 853b32accdaSVlad Buslov } 8545c65c564SOr Gerlitz 85573edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8565c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 857db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 858d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 859106be53bSOr Gerlitz hpe->prio = match_prio; 860e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 861db76ca24SVlad Buslov init_completion(&hpe->res_ready); 862db76ca24SVlad Buslov 863db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 864db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 865db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8665c65c564SOr Gerlitz 8675c65c564SOr Gerlitz params.log_data_size = 15; 8685c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8695c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8705c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8715c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8725c65c564SOr Gerlitz 873eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 874eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 875eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 876eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 877eb9180f7SOr Gerlitz 878eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8793f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8802c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8813f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8823f6d08d1SOr Gerlitz link_speed64 = link_speed; 8833f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8843f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8853f6d08d1SOr Gerlitz 8865c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 887db76ca24SVlad Buslov hpe->hp = hp; 888db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8895c65c564SOr Gerlitz if (IS_ERR(hp)) { 8905c65c564SOr Gerlitz err = PTR_ERR(hp); 891db76ca24SVlad Buslov goto out_err; 8925c65c564SOr Gerlitz } 8935c65c564SOr Gerlitz 894eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 89527b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 89627b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 897eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8985c65c564SOr Gerlitz 8995c65c564SOr Gerlitz attach_flow: 9003f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 901226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 902c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9033f6d08d1SOr Gerlitz } else { 904c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_tirn = hpe->hp->tirn; 9053f6d08d1SOr Gerlitz } 906b32accdaSVlad Buslov 907e4f9abbdSVlad Buslov flow->hpe = hpe; 90873edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9095c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 91073edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9113f6d08d1SOr Gerlitz 9125c65c564SOr Gerlitz return 0; 9135c65c564SOr Gerlitz 914db76ca24SVlad Buslov out_err: 915db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9165c65c564SOr Gerlitz return err; 9175c65c564SOr Gerlitz } 9185c65c564SOr Gerlitz 9195c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9205c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9215c65c564SOr Gerlitz { 9225a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 923e4f9abbdSVlad Buslov if (!flow->hpe) 9245a7e5bcbSVlad Buslov return; 9255a7e5bcbSVlad Buslov 92673edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9275c65c564SOr Gerlitz list_del(&flow->hairpin); 92873edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 92973edca73SVlad Buslov 930e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 931e4f9abbdSVlad Buslov flow->hpe = NULL; 9325c65c564SOr Gerlitz } 9335c65c564SOr Gerlitz 93408247066SAriel Levkovich struct mlx5_flow_handle * 93508247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 93608247066SAriel Levkovich struct mlx5_flow_spec *spec, 937c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 938e8f887acSAmir Vadai { 93908247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 940c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 941c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9426a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9435c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 94466958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9453bc4b7bfSOr Gerlitz .action = attr->action, 946bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 94766958ed9SHadar Hen Zion }; 94808247066SAriel Levkovich struct mlx5_flow_handle *rule; 949c7569097SAriel Levkovich struct mlx5_flow_table *ft; 95008247066SAriel Levkovich int dest_ix = 0; 951e8f887acSAmir Vadai 952bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 953c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 954bb0ee7dcSJianbo Liu 955aedd133dSAriel Levkovich if (attr->dest_ft) { 956aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 957aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 958aedd133dSAriel Levkovich dest_ix++; 959aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9603f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 961c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 96208247066SAriel Levkovich dest_ix++; 963c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9645c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 965c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9663f6d08d1SOr Gerlitz dest_ix++; 9673f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9685c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 969c7569097SAriel Levkovich if (attr->dest_chain) { 970c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 971c7569097SAriel Levkovich attr->dest_chain, 1, 972c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 973c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 974c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 975c7569097SAriel Levkovich } else { 9765c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 977c7569097SAriel Levkovich } 9785c65c564SOr Gerlitz dest_ix++; 9795c65c564SOr Gerlitz } 980aad7e08dSAmir Vadai 981c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 982c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 983c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 984c7569097SAriel Levkovich 98508247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9865c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 98708247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9885c65c564SOr Gerlitz dest_ix++; 989aad7e08dSAmir Vadai } 990aad7e08dSAmir Vadai 99108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9922b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9932f4fe4caSOr Gerlitz 9946a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9956a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9966a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9976a064674SAriel Levkovich tc->t = 998c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 99921b9c144SOr Gerlitz 10006a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10016a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1002e8f887acSAmir Vadai netdev_err(priv->netdev, 1003e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1004c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1005c7569097SAriel Levkovich goto err_ft_get; 1006e8f887acSAmir Vadai } 1007e8f887acSAmir Vadai } 100808247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1009e8f887acSAmir Vadai 1010aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1011c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1012c7569097SAriel Levkovich attr->chain, attr->prio, 1013c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1014aedd133dSAriel Levkovich else 1015aedd133dSAriel Levkovich ft = attr->ft; 1016aedd133dSAriel Levkovich 1017c7569097SAriel Levkovich if (IS_ERR(ft)) { 1018c7569097SAriel Levkovich rule = ERR_CAST(ft); 1019c7569097SAriel Levkovich goto err_ft_get; 1020c7569097SAriel Levkovich } 1021c7569097SAriel Levkovich 1022c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 102308247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 102438aa51c1SOr Gerlitz 1025c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10265c65c564SOr Gerlitz &flow_act, dest, dest_ix); 102708247066SAriel Levkovich if (IS_ERR(rule)) 1028c7569097SAriel Levkovich goto err_rule; 102908247066SAriel Levkovich 103008247066SAriel Levkovich return rule; 1031c7569097SAriel Levkovich 1032c7569097SAriel Levkovich err_rule: 1033aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1034c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1035c7569097SAriel Levkovich attr->chain, attr->prio, 1036c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1037c7569097SAriel Levkovich err_ft_get: 1038c7569097SAriel Levkovich if (attr->dest_chain) 1039c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1040c7569097SAriel Levkovich attr->dest_chain, 1, 1041c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1042c7569097SAriel Levkovich 1043c7569097SAriel Levkovich return ERR_CAST(rule); 104408247066SAriel Levkovich } 104508247066SAriel Levkovich 104608247066SAriel Levkovich static int 104708247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 104808247066SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 104908247066SAriel Levkovich struct mlx5e_tc_flow *flow, 105008247066SAriel Levkovich struct netlink_ext_ack *extack) 105108247066SAriel Levkovich { 1052c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 105308247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 105408247066SAriel Levkovich struct mlx5_fc *counter = NULL; 105508247066SAriel Levkovich int err; 105608247066SAriel Levkovich 105708247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 105808247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 105908247066SAriel Levkovich if (err) 106008247066SAriel Levkovich return err; 106108247066SAriel Levkovich } 106208247066SAriel Levkovich 106308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 106408247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 106508247066SAriel Levkovich if (IS_ERR(counter)) 106608247066SAriel Levkovich return PTR_ERR(counter); 106708247066SAriel Levkovich 106808247066SAriel Levkovich attr->counter = counter; 106908247066SAriel Levkovich } 107008247066SAriel Levkovich 107108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 107208247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 107308247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 107408247066SAriel Levkovich if (err) 107508247066SAriel Levkovich return err; 107608247066SAriel Levkovich } 107708247066SAriel Levkovich 1078aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1079aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1080aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1081aedd133dSAriel Levkovich else 108208247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108308247066SAriel Levkovich attr); 1084e8f887acSAmir Vadai 1085a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1086e8f887acSAmir Vadai } 1087e8f887acSAmir Vadai 108808247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1089c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1090c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 109108247066SAriel Levkovich { 1092c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1093c7569097SAriel Levkovich 109408247066SAriel Levkovich mlx5_del_flow_rules(rule); 1095c7569097SAriel Levkovich 1096aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1097c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1098c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1099c7569097SAriel Levkovich 1100c7569097SAriel Levkovich if (attr->dest_chain) 1101c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1102c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110308247066SAriel Levkovich } 110408247066SAriel Levkovich 1105d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1106d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1107d85cdccbSOr Gerlitz { 1108c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11096a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1110d85cdccbSOr Gerlitz 1111c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1112c7569097SAriel Levkovich 1113aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1114aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1115aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1116aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1117aedd133dSAriel Levkovich 1118c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1119c7569097SAriel Levkovich * extra steering hops. 1120c7569097SAriel Levkovich */ 1121b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11226a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11236a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11246a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1125d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1126d85cdccbSOr Gerlitz } 1127b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11282f4fe4caSOr Gerlitz 1129aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1130aedd133dSAriel Levkovich 1131513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11323099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11335c65c564SOr Gerlitz 1134aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1135aedd133dSAriel Levkovich 1136226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11375c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1138c620b772SAriel Levkovich 1139c620b772SAriel Levkovich kfree(flow->attr); 1140d85cdccbSOr Gerlitz } 1141d85cdccbSOr Gerlitz 1142aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11438c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1144aa0cbbaeSOr Gerlitz 11453c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1146e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1147733d4f36SRoi Dayan struct net_device *mirred_dev, 1148733d4f36SRoi Dayan int out_index, 11498c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11500ad060eeSRoi Dayan struct net_device **encap_dev, 11510ad060eeSRoi Dayan bool *encap_valid); 115214e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 115314e6b038SEli Cohen struct mlx5e_tc_flow *flow, 115414e6b038SEli Cohen struct netlink_ext_ack *extack); 115514e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 115614e6b038SEli Cohen struct mlx5e_tc_flow *flow); 11573c37745eSOr Gerlitz 11586d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11596d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11606d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11616d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1162c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11636d2a3ed0SOr Gerlitz { 11641ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11656d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11664c3844d9SPaul Blakey 11671ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11681ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11691ef3018fSPaul Blakey 1170aedd133dSAriel Levkovich return mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1171aedd133dSAriel Levkovich flow, spec, attr, 11721ef3018fSPaul Blakey mod_hdr_acts); 11731ef3018fSPaul Blakey } 11746d2a3ed0SOr Gerlitz 11756d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11766d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11776d2a3ed0SOr Gerlitz return rule; 11786d2a3ed0SOr Gerlitz 1179c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11806d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11816d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11826d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11836d2a3ed0SOr Gerlitz return flow->rule[1]; 11846d2a3ed0SOr Gerlitz } 11856d2a3ed0SOr Gerlitz } 11866d2a3ed0SOr Gerlitz 11876d2a3ed0SOr Gerlitz return rule; 11886d2a3ed0SOr Gerlitz } 11896d2a3ed0SOr Gerlitz 11906d2a3ed0SOr Gerlitz static void 11916d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11926d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1193c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11946d2a3ed0SOr Gerlitz { 1195226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11966d2a3ed0SOr Gerlitz 11974c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1198aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11994c3844d9SPaul Blakey return; 12004c3844d9SPaul Blakey } 12014c3844d9SPaul Blakey 1202c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12036d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12046d2a3ed0SOr Gerlitz 12056d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12066d2a3ed0SOr Gerlitz } 12076d2a3ed0SOr Gerlitz 12085dbe906fSPaul Blakey static struct mlx5_flow_handle * 12095dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12105dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1211178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12125dbe906fSPaul Blakey { 1213c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12145dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12155dbe906fSPaul Blakey 1216c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1217c620b772SAriel Levkovich if (!slow_attr) 1218c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12195dbe906fSPaul Blakey 1220c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1221c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1222c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1223c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1224c620b772SAriel Levkovich 1225c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12265dbe906fSPaul Blakey if (!IS_ERR(rule)) 1227226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12285dbe906fSPaul Blakey 1229c620b772SAriel Levkovich kfree(slow_attr); 1230c620b772SAriel Levkovich 12315dbe906fSPaul Blakey return rule; 12325dbe906fSPaul Blakey } 12335dbe906fSPaul Blakey 12345dbe906fSPaul Blakey static void 12355dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1236178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12375dbe906fSPaul Blakey { 1238c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1239178f69b4SEli Cohen 1240c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12415efbe617SAriel Levkovich if (!slow_attr) { 12425efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12435efbe617SAriel Levkovich return; 12445efbe617SAriel Levkovich } 1245c620b772SAriel Levkovich 1246c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1247c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1248c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1249c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1250c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1251226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1252c620b772SAriel Levkovich kfree(slow_attr); 12535dbe906fSPaul Blakey } 12545dbe906fSPaul Blakey 1255ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1256ad86755bSVlad Buslov * function. 1257ad86755bSVlad Buslov */ 1258ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1259ad86755bSVlad Buslov struct list_head *unready_flows) 1260ad86755bSVlad Buslov { 1261ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1262ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1263ad86755bSVlad Buslov } 1264ad86755bSVlad Buslov 1265ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1266ad86755bSVlad Buslov * function. 1267ad86755bSVlad Buslov */ 1268ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1269ad86755bSVlad Buslov { 1270ad86755bSVlad Buslov list_del(&flow->unready); 1271ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1272ad86755bSVlad Buslov } 1273ad86755bSVlad Buslov 1274b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1275b4a23329SRoi Dayan { 1276b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1277b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1278b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1279b4a23329SRoi Dayan 1280b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1281b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1282b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1283b4a23329SRoi Dayan 1284ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1285ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1286ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1287b4a23329SRoi Dayan } 1288b4a23329SRoi Dayan 1289b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1290b4a23329SRoi Dayan { 1291ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1292ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1293ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1294ad86755bSVlad Buslov 1295ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1296ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1297ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1298ad86755bSVlad Buslov 1299ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1300ad86755bSVlad Buslov unready_flow_del(flow); 1301ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1302b4a23329SRoi Dayan } 1303b4a23329SRoi Dayan 1304c83954abSRabie Loulou static int 130574491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1306e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1307e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1308adb4c123SOr Gerlitz { 1309adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13103c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1311c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1312c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1313c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 1314b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 13153c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13163c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 13170ad060eeSRoi Dayan bool encap_valid = true; 131839ac237cSPaul Blakey u32 max_prio, max_chain; 13190ad060eeSRoi Dayan int err = 0; 1320f493f155SEli Britstein int out_index; 13218b32580dSOr Gerlitz 1322ae430332SAriel Levkovich if (!mlx5_chains_prios_supported(esw_chains(esw)) && attr->prio != 1) { 132361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 132461644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1325d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1326d14f6f2aSOr Gerlitz } 1327e52c2802SPaul Blakey 132884179981SPaul Blakey /* We check chain range only for tc flows. 132984179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 133084179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 133184179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 133284179981SPaul Blakey */ 1333ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 133484179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 133561644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 133661644c3dSRoi Dayan "Requested chain is out of supported range"); 13375a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1338bf07aa73SPaul Blakey } 1339bf07aa73SPaul Blakey 1340ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1341bf07aa73SPaul Blakey if (attr->prio > max_prio) { 134261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 134361644c3dSRoi Dayan "Requested priority is out of supported range"); 13445a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1345bf07aa73SPaul Blakey } 1346bf07aa73SPaul Blakey 134714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 134814e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 134914e6b038SEli Cohen if (err) 135014e6b038SEli Cohen return err; 135114e6b038SEli Cohen } 135214e6b038SEli Cohen 1353c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1354c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1355c620b772SAriel Levkovich 1356f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13578c4dc42bSEli Britstein int mirred_ifindex; 13588c4dc42bSEli Britstein 1359c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1360f493f155SEli Britstein continue; 1361f493f155SEli Britstein 13627040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13633c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13648c4dc42bSEli Britstein mirred_ifindex); 1365733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13660ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13670ad060eeSRoi Dayan if (err) 13685a7e5bcbSVlad Buslov return err; 13690ad060eeSRoi Dayan 13703c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13713c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1372c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1373c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 13743c37745eSOr Gerlitz } 13753c37745eSOr Gerlitz 13768b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1377c83954abSRabie Loulou if (err) 13785a7e5bcbSVlad Buslov return err; 1379adb4c123SOr Gerlitz 1380d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1381d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 13821a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 13836ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1384c83954abSRabie Loulou if (err) 13855a7e5bcbSVlad Buslov return err; 1386d7e75a32SOr Gerlitz } 1387d7e75a32SOr Gerlitz 1388b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1389c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 13905a7e5bcbSVlad Buslov if (IS_ERR(counter)) 13915a7e5bcbSVlad Buslov return PTR_ERR(counter); 1392b8aee822SMark Bloch 1393b8aee822SMark Bloch attr->counter = counter; 1394b8aee822SMark Bloch } 1395b8aee822SMark Bloch 13960ad060eeSRoi Dayan /* we get here if one of the following takes place: 13970ad060eeSRoi Dayan * (1) there's no error 13980ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 13993c37745eSOr Gerlitz */ 1400bc1d75faSRoi Dayan if (!encap_valid) 1401178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1402bc1d75faSRoi Dayan else 14036d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 14045dbe906fSPaul Blakey 14055a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 14065a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1407226f2ca3SVlad Buslov else 1408226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1409c83954abSRabie Loulou 14105dbe906fSPaul Blakey return 0; 1411aa0cbbaeSOr Gerlitz } 1412d85cdccbSOr Gerlitz 14139272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 14149272e3dfSYevgeny Kliteynik { 1415c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 14169272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 14179272e3dfSYevgeny Kliteynik spec->match_value, 14189272e3dfSYevgeny Kliteynik misc_parameters_3); 14199272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 14209272e3dfSYevgeny Kliteynik headers_v, 14219272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 14229272e3dfSYevgeny Kliteynik 14239272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 14249272e3dfSYevgeny Kliteynik } 14259272e3dfSYevgeny Kliteynik 1426d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1427d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1428d85cdccbSOr Gerlitz { 1429d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1430c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1431f493f155SEli Britstein int out_index; 1432d85cdccbSOr Gerlitz 14330a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 14340a7fcb78SPaul Blakey 143512a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1436b4a23329SRoi Dayan remove_unready_flow(flow); 1437ef06c9eeSRoi Dayan 1438226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1439226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1440178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14415dbe906fSPaul Blakey else 14425dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14435dbe906fSPaul Blakey } 1444d85cdccbSOr Gerlitz 14459272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14469272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14479272e3dfSYevgeny Kliteynik 1448513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1449d85cdccbSOr Gerlitz 1450f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 1451c620b772SAriel Levkovich if (attr->esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14528c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14532a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14542a4b6526SVlad Buslov } 1455f493f155SEli Britstein kvfree(attr->parse_attr); 1456d7e75a32SOr Gerlitz 1457aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 14584c8594adSRoi Dayan 1459513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14601a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1461b8aee822SMark Bloch 1462b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1463c620b772SAriel Levkovich mlx5_fc_destroy(attr->esw_attr->counter_dev, attr->counter); 146414e6b038SEli Cohen 146514e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 146614e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1467c620b772SAriel Levkovich 1468c620b772SAriel Levkovich kfree(flow->attr); 1469d85cdccbSOr Gerlitz } 1470d85cdccbSOr Gerlitz 1471232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 14722a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14732a1f1768SVlad Buslov struct list_head *flow_list) 1474232c0013SHadar Hen Zion { 14753c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1476178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 14776d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 1478c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 14796d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1480232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1481232c0013SHadar Hen Zion int err; 1482232c0013SHadar Hen Zion 14832b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 148454c177caSOz Shlomo e->reformat_type, 1485232c0013SHadar Hen Zion e->encap_size, e->encap_header, 14862b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 14872b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 14882b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 14892b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1490232c0013SHadar Hen Zion return; 1491232c0013SHadar Hen Zion } 1492232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1493f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1494232c0013SHadar Hen Zion 14952a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 14968c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 14978c4dc42bSEli Britstein int i; 14988c4dc42bSEli Britstein 149995435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 150095435ad7SVlad Buslov continue; 1501c620b772SAriel Levkovich attr = flow->attr; 1502c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1503c620b772SAriel Levkovich spec = &attr->parse_attr->spec; 15046d2a3ed0SOr Gerlitz 15052b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 15062a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 15078c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 15088c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 15098c4dc42bSEli Britstein * a valid neighbour. 15108c4dc42bSEli Britstein */ 15118c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 15128c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 15138c4dc42bSEli Britstein continue; 15148c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 15158c4dc42bSEli Britstein all_flow_encaps_valid = false; 15168c4dc42bSEli Britstein break; 15178c4dc42bSEli Britstein } 15188c4dc42bSEli Britstein } 15198c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 15208c4dc42bSEli Britstein if (!all_flow_encaps_valid) 15212a1f1768SVlad Buslov continue; 15225dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 1523c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, attr); 15246d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 15256d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1526232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1527232c0013SHadar Hen Zion err); 15282a1f1768SVlad Buslov continue; 1529232c0013SHadar Hen Zion } 15305dbe906fSPaul Blakey 1531178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15326d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1533226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1534226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1535232c0013SHadar Hen Zion } 1536232c0013SHadar Hen Zion } 1537232c0013SHadar Hen Zion 1538232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 15392a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 15402a1f1768SVlad Buslov struct list_head *flow_list) 1541232c0013SHadar Hen Zion { 15423c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1543c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 15445dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 1545c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 15465dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1547232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 15485dbe906fSPaul Blakey int err; 1549232c0013SHadar Hen Zion 15502a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 155195435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 155295435ad7SVlad Buslov continue; 1553c620b772SAriel Levkovich attr = flow->attr; 1554c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1555c620b772SAriel Levkovich spec = &attr->parse_attr->spec; 15565dbe906fSPaul Blakey 15575dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1558178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 15598c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 1560c620b772SAriel Levkovich esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 15615dbe906fSPaul Blakey 15625dbe906fSPaul Blakey if (IS_ERR(rule)) { 15635dbe906fSPaul Blakey err = PTR_ERR(rule); 15645dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 15655dbe906fSPaul Blakey err); 15662a1f1768SVlad Buslov continue; 15675dbe906fSPaul Blakey } 15685dbe906fSPaul Blakey 1569c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15705dbe906fSPaul Blakey flow->rule[0] = rule; 1571226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1572226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1573232c0013SHadar Hen Zion } 1574232c0013SHadar Hen Zion 157561c806daSOr Gerlitz /* we know that the encap is valid */ 1576232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 15772b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1578232c0013SHadar Hen Zion } 1579232c0013SHadar Hen Zion 1580b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1581b8aee822SMark Bloch { 1582c620b772SAriel Levkovich return flow->attr->counter; 1583b8aee822SMark Bloch } 1584b8aee822SMark Bloch 15852a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 15862a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 15872a1f1768SVlad Buslov */ 15882a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 15892a1f1768SVlad Buslov { 15902a1f1768SVlad Buslov struct encap_flow_item *efi; 15912a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 15922a1f1768SVlad Buslov 15932a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 15942a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 15952a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15962a1f1768SVlad Buslov continue; 159795435ad7SVlad Buslov wait_for_completion(&flow->init_done); 15982a1f1768SVlad Buslov 15992a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 16002a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 16012a1f1768SVlad Buslov } 16022a1f1768SVlad Buslov } 16032a1f1768SVlad Buslov 16046a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 16052a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16066a06c2f7SVlad Buslov { 16076a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16086a06c2f7SVlad Buslov 16096a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16106a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16116a06c2f7SVlad Buslov } 16126a06c2f7SVlad Buslov 1613ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1614ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1615ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1616ac0d9176SVlad Buslov { 1617ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1618ac0d9176SVlad Buslov 1619ac0d9176SVlad Buslov retry: 1620ac0d9176SVlad Buslov rcu_read_lock(); 1621ac0d9176SVlad Buslov 1622ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1623ac0d9176SVlad Buslov for (next = e ? 1624ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1625ac0d9176SVlad Buslov &e->encap_list, 1626ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1627ac0d9176SVlad Buslov encap_list) : 1628ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1629ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1630ac0d9176SVlad Buslov encap_list); 1631ac0d9176SVlad Buslov next; 1632ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1633ac0d9176SVlad Buslov &next->encap_list, 1634ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1635ac0d9176SVlad Buslov encap_list)) 1636ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1637ac0d9176SVlad Buslov break; 1638ac0d9176SVlad Buslov 1639ac0d9176SVlad Buslov rcu_read_unlock(); 1640ac0d9176SVlad Buslov 1641ac0d9176SVlad Buslov /* release starting encap */ 1642ac0d9176SVlad Buslov if (e) 1643ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1644ac0d9176SVlad Buslov if (!next) 1645ac0d9176SVlad Buslov return next; 1646ac0d9176SVlad Buslov 1647ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1648ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1649ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1650ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1651ac0d9176SVlad Buslov e = next; 1652ac0d9176SVlad Buslov goto retry; 1653ac0d9176SVlad Buslov } 1654ac0d9176SVlad Buslov 1655ac0d9176SVlad Buslov return next; 1656ac0d9176SVlad Buslov } 1657ac0d9176SVlad Buslov 1658f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1659f6dfb4c3SHadar Hen Zion { 1660f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1661ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1662f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1663f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1664f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1665f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1666f6dfb4c3SHadar Hen Zion struct neighbour *n; 166790bb7692SAriel Levkovich u64 lastuse; 1668f6dfb4c3SHadar Hen Zion 1669f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1670f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1671f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1672f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 16735cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1674f6dfb4c3SHadar Hen Zion #endif 1675f6dfb4c3SHadar Hen Zion else 1676f6dfb4c3SHadar Hen Zion return; 1677f6dfb4c3SHadar Hen Zion 1678ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1679ac0d9176SVlad Buslov * next one. 1680ac0d9176SVlad Buslov */ 1681ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 16826a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 16835a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 16846a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 16856a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1686948993f2SVlad Buslov 16876a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 16886a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 16895a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 169079baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 169179baaec7SEli Britstein encaps[efi->index]); 16925a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16935a7e5bcbSVlad Buslov continue; 16946a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 16955a7e5bcbSVlad Buslov 1696226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1697b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 169890bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1699f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1700f6dfb4c3SHadar Hen Zion neigh_used = true; 1701f6dfb4c3SHadar Hen Zion break; 1702f6dfb4c3SHadar Hen Zion } 1703f6dfb4c3SHadar Hen Zion } 1704f6dfb4c3SHadar Hen Zion } 17056a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1706948993f2SVlad Buslov 17076a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1708ac0d9176SVlad Buslov if (neigh_used) { 1709ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 17106a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1711e36d4810SRoi Dayan break; 1712f6dfb4c3SHadar Hen Zion } 1713ac0d9176SVlad Buslov } 1714f6dfb4c3SHadar Hen Zion 1715c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1716c786fe59SVlad Buslov 1717f6dfb4c3SHadar Hen Zion if (neigh_used) { 1718f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1719f6dfb4c3SHadar Hen Zion 1720f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1721f6dfb4c3SHadar Hen Zion * dst ip pair 1722f6dfb4c3SHadar Hen Zion */ 1723f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1724c7f7ba8dSRoi Dayan if (!n) 1725f6dfb4c3SHadar Hen Zion return; 1726f6dfb4c3SHadar Hen Zion 1727f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1728f6dfb4c3SHadar Hen Zion neigh_release(n); 1729f6dfb4c3SHadar Hen Zion } 1730f6dfb4c3SHadar Hen Zion } 1731f6dfb4c3SHadar Hen Zion 173261086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1733d85cdccbSOr Gerlitz { 1734948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 17353c140dd5SVlad Buslov 17363c140dd5SVlad Buslov if (e->compl_result > 0) { 1737232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1738232c0013SHadar Hen Zion 1739232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 17402b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 17413c140dd5SVlad Buslov } 1742232c0013SHadar Hen Zion 17432a4b6526SVlad Buslov kfree(e->tun_info); 1744232c0013SHadar Hen Zion kfree(e->encap_header); 1745ac0d9176SVlad Buslov kfree_rcu(e, rcu); 17465067b602SRoi Dayan } 1747948993f2SVlad Buslov 174814e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 174914e6b038SEli Cohen struct mlx5e_decap_entry *d) 175014e6b038SEli Cohen { 175114e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 175214e6b038SEli Cohen 175314e6b038SEli Cohen if (!d->compl_result) 175414e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 175514e6b038SEli Cohen 175614e6b038SEli Cohen kfree_rcu(d, rcu); 175714e6b038SEli Cohen } 175814e6b038SEli Cohen 175961086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 176061086f39SVlad Buslov { 176161086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 176261086f39SVlad Buslov 176361086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 176461086f39SVlad Buslov return; 176561086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 176661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 176761086f39SVlad Buslov 176861086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 176961086f39SVlad Buslov } 177061086f39SVlad Buslov 177114e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 177214e6b038SEli Cohen { 177314e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 177414e6b038SEli Cohen 177514e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 177614e6b038SEli Cohen return; 177714e6b038SEli Cohen hash_del_rcu(&d->hlist); 177814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 177914e6b038SEli Cohen 178014e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 178114e6b038SEli Cohen } 178214e6b038SEli Cohen 1783948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1784948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1785948993f2SVlad Buslov { 178661086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 178761086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 178861086f39SVlad Buslov 1789948993f2SVlad Buslov /* flow wasn't fully initialized */ 179061086f39SVlad Buslov if (!e) 1791948993f2SVlad Buslov return; 1792948993f2SVlad Buslov 179361086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1794948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1795948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 179661086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 179761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 179861086f39SVlad Buslov return; 179961086f39SVlad Buslov } 180061086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 180161086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 180261086f39SVlad Buslov 180361086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 18045067b602SRoi Dayan } 18055067b602SRoi Dayan 180614e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 180714e6b038SEli Cohen struct mlx5e_tc_flow *flow) 180814e6b038SEli Cohen { 180914e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 181014e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 181114e6b038SEli Cohen 181214e6b038SEli Cohen if (!d) 181314e6b038SEli Cohen return; 181414e6b038SEli Cohen 181514e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 181614e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 181714e6b038SEli Cohen flow->decap_reformat = NULL; 181814e6b038SEli Cohen 181914e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 182014e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 182114e6b038SEli Cohen return; 182214e6b038SEli Cohen } 182314e6b038SEli Cohen hash_del_rcu(&d->hlist); 182414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 182514e6b038SEli Cohen 182614e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 182714e6b038SEli Cohen } 182814e6b038SEli Cohen 182904de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 183004de7ddaSRoi Dayan { 183104de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 183204de7ddaSRoi Dayan 1833226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1834226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 183504de7ddaSRoi Dayan return; 183604de7ddaSRoi Dayan 183704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 183804de7ddaSRoi Dayan list_del(&flow->peer); 183904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 184004de7ddaSRoi Dayan 1841226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 184204de7ddaSRoi Dayan 1843eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 184404de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1845a23dae79SRoi Dayan kfree(flow->peer_flow); 1846eb252c3aSRoi Dayan } 1847eb252c3aSRoi Dayan 184804de7ddaSRoi Dayan flow->peer_flow = NULL; 184904de7ddaSRoi Dayan } 185004de7ddaSRoi Dayan 185104de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 185204de7ddaSRoi Dayan { 185304de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 185404de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 185504de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 185604de7ddaSRoi Dayan 185704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 185804de7ddaSRoi Dayan if (!peer_esw) 185904de7ddaSRoi Dayan return; 186004de7ddaSRoi Dayan 186104de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 186204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 186304de7ddaSRoi Dayan } 186404de7ddaSRoi Dayan 1865e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1866961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1867e8f887acSAmir Vadai { 1868226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 186904de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1870d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 187104de7ddaSRoi Dayan } else { 1872d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1873e8f887acSAmir Vadai } 187404de7ddaSRoi Dayan } 1875e8f887acSAmir Vadai 18760a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1877bbd00f7eSHadar Hen Zion { 1878f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18790a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 18800a7fcb78SPaul Blakey const struct flow_action_entry *act; 18810a7fcb78SPaul Blakey int i; 1882bbd00f7eSHadar Hen Zion 18830a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 18840a7fcb78SPaul Blakey switch (act->id) { 18850a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 18860a7fcb78SPaul Blakey return true; 18870a7fcb78SPaul Blakey default: 18880a7fcb78SPaul Blakey continue; 1889fe1587a7SDmytro Linkin } 18902e72eb43SOr Gerlitz } 1891bbd00f7eSHadar Hen Zion 18920a7fcb78SPaul Blakey return false; 18930a7fcb78SPaul Blakey } 1894bcef735cSOr Gerlitz 18950a7fcb78SPaul Blakey static int 18960a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 18970a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 18980a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 18990a7fcb78SPaul Blakey bool *dont_care) 19000a7fcb78SPaul Blakey { 19010a7fcb78SPaul Blakey struct geneve_opt *opt; 19020a7fcb78SPaul Blakey int off = 0; 1903bcef735cSOr Gerlitz 19040a7fcb78SPaul Blakey *dont_care = true; 1905bcef735cSOr Gerlitz 19060a7fcb78SPaul Blakey while (opts->len > off) { 19070a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1908e98bedf5SEli Britstein 19090a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 19100a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 19110a7fcb78SPaul Blakey *dont_care = false; 19120a7fcb78SPaul Blakey 1913c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1914d7a42ad0SRoi Dayan opt->type != U8_MAX) { 19150a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 19160a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 19170a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19180a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1919e98bedf5SEli Britstein return -EOPNOTSUPP; 1920e98bedf5SEli Britstein } 1921bcef735cSOr Gerlitz } 1922bcef735cSOr Gerlitz 19230a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1924bbd00f7eSHadar Hen Zion } 1925bbd00f7eSHadar Hen Zion 1926bbd00f7eSHadar Hen Zion return 0; 1927bbd00f7eSHadar Hen Zion } 1928bbd00f7eSHadar Hen Zion 19290a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 19300a7fcb78SPaul Blakey ({ \ 19310a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 19320a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 19330a7fcb78SPaul Blakey \ 19340a7fcb78SPaul Blakey memcpy(__dst,\ 19350a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 19360a7fcb78SPaul Blakey diss_key,\ 19370a7fcb78SPaul Blakey __rule->match.key),\ 19380a7fcb78SPaul Blakey sizeof(*__dst));\ 19390a7fcb78SPaul Blakey }) 19400a7fcb78SPaul Blakey 19410a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 19420a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19430a7fcb78SPaul Blakey struct flow_cls_offload *f, 19440a7fcb78SPaul Blakey struct net_device *filter_dev) 19458377629eSEli Britstein { 19460a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19470a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19480a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 19490a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1950d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 19510a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1952c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 19530a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19540a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 19550a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 19560a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 19570a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19580a7fcb78SPaul Blakey u32 value, mask; 19590a7fcb78SPaul Blakey int err; 19600a7fcb78SPaul Blakey 19610a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 19620a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19630a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19640a7fcb78SPaul Blakey 19650a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 19660a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 19670a7fcb78SPaul Blakey &tunnel_key.enc_control); 19680a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 19690a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 19700a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 19710a7fcb78SPaul Blakey else 19720a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 19730a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 19740a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 19750a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 19760a7fcb78SPaul Blakey &tunnel_key.enc_tp); 19770a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 19780a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 19790a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 19800a7fcb78SPaul Blakey 19810a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 19820a7fcb78SPaul Blakey if (err) 19830a7fcb78SPaul Blakey return err; 19840a7fcb78SPaul Blakey 19850a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 19860a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 19870a7fcb78SPaul Blakey enc_opts_match.mask, 19880a7fcb78SPaul Blakey extack, 19890a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19900a7fcb78SPaul Blakey if (err) 19910a7fcb78SPaul Blakey goto err_enc_opts; 19920a7fcb78SPaul Blakey 19930a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1994d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1995d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1996d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1997d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1998d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1999d7a42ad0SRoi Dayan 20000a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 2001d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 20020a7fcb78SPaul Blakey if (err) 20030a7fcb78SPaul Blakey goto err_enc_opts; 20040a7fcb78SPaul Blakey } 20050a7fcb78SPaul Blakey 20060a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 20070a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 20080a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 20090a7fcb78SPaul Blakey 20100a7fcb78SPaul Blakey if (attr->chain) { 20110a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 20120a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 20130a7fcb78SPaul Blakey } else { 20140a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 20150a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 2016aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 20170a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 20180a7fcb78SPaul Blakey if (err) 20190a7fcb78SPaul Blakey goto err_set; 20200a7fcb78SPaul Blakey 20210a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 20220a7fcb78SPaul Blakey } 20230a7fcb78SPaul Blakey 20240a7fcb78SPaul Blakey flow->tunnel_id = value; 20250a7fcb78SPaul Blakey return 0; 20260a7fcb78SPaul Blakey 20270a7fcb78SPaul Blakey err_set: 20280a7fcb78SPaul Blakey if (enc_opts_id) 20290a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20300a7fcb78SPaul Blakey enc_opts_id); 20310a7fcb78SPaul Blakey err_enc_opts: 20320a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20330a7fcb78SPaul Blakey return err; 20340a7fcb78SPaul Blakey } 20350a7fcb78SPaul Blakey 20360a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 20370a7fcb78SPaul Blakey { 20380a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 20390a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 20400a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 20410a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 20420a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 20430a7fcb78SPaul Blakey 20440a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 20450a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20460a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 20470a7fcb78SPaul Blakey 20480a7fcb78SPaul Blakey if (tun_id) 20490a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20500a7fcb78SPaul Blakey if (enc_opts_id) 20510a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20520a7fcb78SPaul Blakey enc_opts_id); 20530a7fcb78SPaul Blakey } 20540a7fcb78SPaul Blakey 20554c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 20564c3844d9SPaul Blakey { 20574c3844d9SPaul Blakey return flow->tunnel_id; 20584c3844d9SPaul Blakey } 20594c3844d9SPaul Blakey 2060fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2061fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2062fca53304SEli Britstein void *headers_c, void *headers_v) 20634a5d5d73SEli Britstein { 2064fca53304SEli Britstein bool ip_version_cap; 2065fca53304SEli Britstein 2066fca53304SEli Britstein ip_version_cap = outer ? 2067fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2068fca53304SEli Britstein ft_field_support.outer_ip_version) : 2069fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2070fca53304SEli Britstein ft_field_support.inner_ip_version); 2071fca53304SEli Britstein 2072fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2073fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2074fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2075fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2076fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2077fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2078fca53304SEli Britstein } else { 20794a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 20804a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 20814a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 20824a5d5d73SEli Britstein ntohs(match->key->n_proto)); 20834a5d5d73SEli Britstein } 2084fca53304SEli Britstein } 20854a5d5d73SEli Britstein 20860a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 20870a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 20880a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 20890a7fcb78SPaul Blakey struct flow_cls_offload *f, 20900a7fcb78SPaul Blakey struct net_device *filter_dev, 20910a7fcb78SPaul Blakey u8 *match_level, 20920a7fcb78SPaul Blakey bool *match_inner) 20930a7fcb78SPaul Blakey { 20940a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20950a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 20960a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 20970a7fcb78SPaul Blakey int err; 20980a7fcb78SPaul Blakey 20990a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 21000a7fcb78SPaul Blakey return -EOPNOTSUPP; 21010a7fcb78SPaul Blakey 2102c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2103c620b772SAriel Levkovich sets_mapping = !flow->attr->chain && flow_has_tc_fwd_action(f); 21040a7fcb78SPaul Blakey *match_inner = !needs_mapping; 21050a7fcb78SPaul Blakey 21060a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2107636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 21080a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 2109636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21100a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2111636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 21120a7fcb78SPaul Blakey return -EOPNOTSUPP; 21130a7fcb78SPaul Blakey } 21140a7fcb78SPaul Blakey 2115c620b772SAriel Levkovich if (!flow->attr->chain) { 21160a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 21170a7fcb78SPaul Blakey match_level); 21180a7fcb78SPaul Blakey if (err) { 21190a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 21200a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21210a7fcb78SPaul Blakey netdev_warn(priv->netdev, 21220a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 21230a7fcb78SPaul Blakey return err; 21240a7fcb78SPaul Blakey } 21250a7fcb78SPaul Blakey 212614e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 212714e6b038SEli Cohen * object 212814e6b038SEli Cohen */ 212914e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2130c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 21310a7fcb78SPaul Blakey } 21320a7fcb78SPaul Blakey 21330a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 21340a7fcb78SPaul Blakey return 0; 21350a7fcb78SPaul Blakey 21360a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 21370a7fcb78SPaul Blakey } 21380a7fcb78SPaul Blakey 21390a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 21400a7fcb78SPaul Blakey { 21410a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21420a7fcb78SPaul Blakey inner_headers); 21430a7fcb78SPaul Blakey } 21440a7fcb78SPaul Blakey 21450a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 21460a7fcb78SPaul Blakey { 21470a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21480a7fcb78SPaul Blakey inner_headers); 21490a7fcb78SPaul Blakey } 21500a7fcb78SPaul Blakey 21510a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 21520a7fcb78SPaul Blakey { 21530a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21540a7fcb78SPaul Blakey outer_headers); 21550a7fcb78SPaul Blakey } 21560a7fcb78SPaul Blakey 21570a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 21580a7fcb78SPaul Blakey { 21590a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21608377629eSEli Britstein outer_headers); 21618377629eSEli Britstein } 21628377629eSEli Britstein 21638377629eSEli Britstein static void *get_match_headers_value(u32 flags, 21648377629eSEli Britstein struct mlx5_flow_spec *spec) 21658377629eSEli Britstein { 21668377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21670a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 21680a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 21690a7fcb78SPaul Blakey } 21700a7fcb78SPaul Blakey 21710a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 21720a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 21730a7fcb78SPaul Blakey { 21740a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21750a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 21760a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 21778377629eSEli Britstein } 21788377629eSEli Britstein 21796d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 21806d65bc64Swenxu struct flow_cls_offload *f) 21816d65bc64Swenxu { 21826d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21836d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 21846d65bc64Swenxu struct net_device *ingress_dev; 21856d65bc64Swenxu struct flow_match_meta match; 21866d65bc64Swenxu 21876d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 21886d65bc64Swenxu return 0; 21896d65bc64Swenxu 21906d65bc64Swenxu flow_rule_match_meta(rule, &match); 21916d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 21926d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2193a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 21946d65bc64Swenxu } 21956d65bc64Swenxu 21966d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 21976d65bc64Swenxu match.key->ingress_ifindex); 21986d65bc64Swenxu if (!ingress_dev) { 21996d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22006d65bc64Swenxu "Can't find the ingress port to match on"); 2201a683012aSPablo Neira Ayuso return -ENOENT; 22026d65bc64Swenxu } 22036d65bc64Swenxu 22046d65bc64Swenxu if (ingress_dev != filter_dev) { 22056d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 22066d65bc64Swenxu "Can't match on the ingress filter port"); 2207a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 22086d65bc64Swenxu } 22096d65bc64Swenxu 22106d65bc64Swenxu return 0; 22116d65bc64Swenxu } 22126d65bc64Swenxu 221372046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 221472046a91SEli Cohen struct flow_cls_offload *f) 221572046a91SEli Cohen { 221672046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 221772046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 221872046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 221972046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 222072046a91SEli Cohen */ 222172046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 222272046a91SEli Cohen return true; 222372046a91SEli Cohen 222472046a91SEli Cohen return false; 222572046a91SEli Cohen } 222672046a91SEli Cohen 2227de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 22280a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2229de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2230f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 223154c177caSOz Shlomo struct net_device *filter_dev, 223293b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2233e3a2b7edSAmir Vadai { 2234e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2235c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2236c5bb1730SMaor Gottlieb outer_headers); 2237c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2238c5bb1730SMaor Gottlieb outer_headers); 2239699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2240699e96ddSJianbo Liu misc_parameters); 2241699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2242699e96ddSJianbo Liu misc_parameters); 2243f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22448f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2245e3a2b7edSAmir Vadai u16 addr_type = 0; 2246e3a2b7edSAmir Vadai u8 ip_proto = 0; 224793b3586eSHuy Nguyen u8 *match_level; 22486d65bc64Swenxu int err; 2249e3a2b7edSAmir Vadai 225093b3586eSHuy Nguyen match_level = outer_match_level; 2251de0af0bfSRoi Dayan 22528f256622SPablo Neira Ayuso if (dissector->used_keys & 22533d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 22543d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2255e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2256e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2257095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2258699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2259e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2260e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2261bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2262bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2263bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2264bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2265bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2266e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2267fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2268bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 22694c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 22709272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 227172046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 227272046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2273e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2274e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 22758f256622SPablo Neira Ayuso dissector->used_keys); 2276e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2277e3a2b7edSAmir Vadai } 2278e3a2b7edSAmir Vadai 2279075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 22800a7fcb78SPaul Blakey bool match_inner = false; 2281bbd00f7eSHadar Hen Zion 22820a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 22830a7fcb78SPaul Blakey outer_match_level, &match_inner); 22840a7fcb78SPaul Blakey if (err) 22850a7fcb78SPaul Blakey return err; 22860a7fcb78SPaul Blakey 22870a7fcb78SPaul Blakey if (match_inner) { 22880a7fcb78SPaul Blakey /* header pointers should point to the inner headers 22890a7fcb78SPaul Blakey * if the packet was decapsulated already. 22900a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2291bbd00f7eSHadar Hen Zion */ 229293b3586eSHuy Nguyen match_level = inner_match_level; 22930a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 22940a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 22950a7fcb78SPaul Blakey } 2296bbd00f7eSHadar Hen Zion } 2297bbd00f7eSHadar Hen Zion 22986d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 22996d65bc64Swenxu if (err) 23006d65bc64Swenxu return err; 23016d65bc64Swenxu 230272046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 230372046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 23048f256622SPablo Neira Ayuso struct flow_match_basic match; 2305e3a2b7edSAmir Vadai 23068f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2307fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2308fca53304SEli Britstein match_level == outer_match_level, 2309fca53304SEli Britstein headers_c, headers_v); 23108f256622SPablo Neira Ayuso 23118f256622SPablo Neira Ayuso if (match.mask->n_proto) 2312d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2313e3a2b7edSAmir Vadai } 231435a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 231535a605dbSEli Britstein is_vlan_dev(filter_dev)) { 231635a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 231735a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 23188f256622SPablo Neira Ayuso struct flow_match_vlan match; 23198f256622SPablo Neira Ayuso 232035a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 232135a605dbSEli Britstein match.key = &filter_dev_key; 232235a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 232335a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 232435a605dbSEli Britstein match.key->vlan_priority = 0; 232535a605dbSEli Britstein match.mask = &filter_dev_mask; 232635a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 232735a605dbSEli Britstein match.mask->vlan_priority = 0; 232835a605dbSEli Britstein } else { 23298f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 233035a605dbSEli Britstein } 23318f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23328f256622SPablo Neira Ayuso match.mask->vlan_priority || 23338f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23348f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2335699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2336699e96ddSJianbo Liu svlan_tag, 1); 2337699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2338699e96ddSJianbo Liu svlan_tag, 1); 2339699e96ddSJianbo Liu } else { 2340699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2341699e96ddSJianbo Liu cvlan_tag, 1); 2342699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2343699e96ddSJianbo Liu cvlan_tag, 1); 2344699e96ddSJianbo Liu } 2345095b6cfdSOr Gerlitz 23468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 23478f256622SPablo Neira Ayuso match.mask->vlan_id); 23488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 23498f256622SPablo Neira Ayuso match.key->vlan_id); 2350358d79a4SOr Gerlitz 23518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 23528f256622SPablo Neira Ayuso match.mask->vlan_priority); 23538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 23548f256622SPablo Neira Ayuso match.key->vlan_priority); 235554782900SOr Gerlitz 2356d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2357095b6cfdSOr Gerlitz } 2358d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2359fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2360fc603294SMark Bloch * disabled in match value means both S & C tags 2361fc603294SMark Bloch * don't exist (untagged of both) 2362fc603294SMark Bloch */ 2363cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2364d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2365095b6cfdSOr Gerlitz } 2366095b6cfdSOr Gerlitz 23678f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 23688f256622SPablo Neira Ayuso struct flow_match_vlan match; 23698f256622SPablo Neira Ayuso 237012d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 23718f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23728f256622SPablo Neira Ayuso match.mask->vlan_priority || 23738f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23748f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2375699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2376699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2377699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2378699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2379699e96ddSJianbo Liu } else { 2380699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2381699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2382699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2383699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2384699e96ddSJianbo Liu } 2385699e96ddSJianbo Liu 2386699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 23878f256622SPablo Neira Ayuso match.mask->vlan_id); 2388699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 23898f256622SPablo Neira Ayuso match.key->vlan_id); 2390699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 23918f256622SPablo Neira Ayuso match.mask->vlan_priority); 2392699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 23938f256622SPablo Neira Ayuso match.key->vlan_priority); 2394699e96ddSJianbo Liu 2395699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 23960faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2397699e96ddSJianbo Liu } 2398699e96ddSJianbo Liu } 2399699e96ddSJianbo Liu 24008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 24018f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 240254782900SOr Gerlitz 24038f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2404d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2405d3a80bb5SOr Gerlitz dmac_47_16), 24068f256622SPablo Neira Ayuso match.mask->dst); 2407d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2408d3a80bb5SOr Gerlitz dmac_47_16), 24098f256622SPablo Neira Ayuso match.key->dst); 2410d3a80bb5SOr Gerlitz 2411d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2412d3a80bb5SOr Gerlitz smac_47_16), 24138f256622SPablo Neira Ayuso match.mask->src); 2414d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2415d3a80bb5SOr Gerlitz smac_47_16), 24168f256622SPablo Neira Ayuso match.key->src); 2417d3a80bb5SOr Gerlitz 24188f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 24198f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2420d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 242154782900SOr Gerlitz } 242254782900SOr Gerlitz 24238f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 24248f256622SPablo Neira Ayuso struct flow_match_control match; 242554782900SOr Gerlitz 24268f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 24278f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 242854782900SOr Gerlitz 242954782900SOr Gerlitz /* the HW doesn't support frag first/later */ 24308f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 243154782900SOr Gerlitz return -EOPNOTSUPP; 243254782900SOr Gerlitz 24338f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 243454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 243554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 24368f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 243754782900SOr Gerlitz 243854782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 24398f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 244083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 244154782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 244254782900SOr Gerlitz else 244383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 244454782900SOr Gerlitz } 244554782900SOr Gerlitz } 244654782900SOr Gerlitz 24478f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 24488f256622SPablo Neira Ayuso struct flow_match_basic match; 24498f256622SPablo Neira Ayuso 24508f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 24518f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 245254782900SOr Gerlitz 245354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 24548f256622SPablo Neira Ayuso match.mask->ip_proto); 245554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 24568f256622SPablo Neira Ayuso match.key->ip_proto); 245754782900SOr Gerlitz 24588f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2459d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 246054782900SOr Gerlitz } 246154782900SOr Gerlitz 2462e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 24638f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2464e3a2b7edSAmir Vadai 24658f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2466e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2467e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24688f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2469e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2470e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24718f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2472e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2473e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24748f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2475e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2476e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24778f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2478de0af0bfSRoi Dayan 24798f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2480d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2481e3a2b7edSAmir Vadai } 2482e3a2b7edSAmir Vadai 2483e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 24848f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2485e3a2b7edSAmir Vadai 24868f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2487e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2488e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24898f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2490e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2491e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24928f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2493e3a2b7edSAmir Vadai 2494e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2495e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24968f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2497e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2498e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24998f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2500de0af0bfSRoi Dayan 25018f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 25028f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2503d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2504e3a2b7edSAmir Vadai } 2505e3a2b7edSAmir Vadai 25068f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 25078f256622SPablo Neira Ayuso struct flow_match_ip match; 25081f97a526SOr Gerlitz 25098f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 25108f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 25118f256622SPablo Neira Ayuso match.mask->tos & 0x3); 25128f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 25138f256622SPablo Neira Ayuso match.key->tos & 0x3); 25141f97a526SOr Gerlitz 25158f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 25168f256622SPablo Neira Ayuso match.mask->tos >> 2); 25178f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 25188f256622SPablo Neira Ayuso match.key->tos >> 2); 25191f97a526SOr Gerlitz 25208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 25218f256622SPablo Neira Ayuso match.mask->ttl); 25228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 25238f256622SPablo Neira Ayuso match.key->ttl); 25241f97a526SOr Gerlitz 25258f256622SPablo Neira Ayuso if (match.mask->ttl && 2526a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2527e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2528e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2529e98bedf5SEli Britstein "Matching on TTL is not supported"); 25301f97a526SOr Gerlitz return -EOPNOTSUPP; 2531e98bedf5SEli Britstein } 2532a8ade55fSOr Gerlitz 25338f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2534d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 25351f97a526SOr Gerlitz } 25361f97a526SOr Gerlitz 253754782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 253854782900SOr Gerlitz 25398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 25408f256622SPablo Neira Ayuso struct flow_match_ports match; 25418f256622SPablo Neira Ayuso 25428f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2543e3a2b7edSAmir Vadai switch (ip_proto) { 2544e3a2b7edSAmir Vadai case IPPROTO_TCP: 2545e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25468f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2547e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25488f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2549e3a2b7edSAmir Vadai 2550e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25518f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2552e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25538f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2554e3a2b7edSAmir Vadai break; 2555e3a2b7edSAmir Vadai 2556e3a2b7edSAmir Vadai case IPPROTO_UDP: 2557e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25588f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2559e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25608f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2561e3a2b7edSAmir Vadai 2562e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25638f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2564e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25658f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2566e3a2b7edSAmir Vadai break; 2567e3a2b7edSAmir Vadai default: 2568e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2569e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2570e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2571e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2572e3a2b7edSAmir Vadai return -EINVAL; 2573e3a2b7edSAmir Vadai } 2574de0af0bfSRoi Dayan 25758f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2576d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2577e3a2b7edSAmir Vadai } 2578e3a2b7edSAmir Vadai 25798f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 25808f256622SPablo Neira Ayuso struct flow_match_tcp match; 2581e77834ecSOr Gerlitz 25828f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2583e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 25848f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2585e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 25868f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2587e77834ecSOr Gerlitz 25888f256622SPablo Neira Ayuso if (match.mask->flags) 2589d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2590e77834ecSOr Gerlitz } 2591e77834ecSOr Gerlitz 2592e3a2b7edSAmir Vadai return 0; 2593e3a2b7edSAmir Vadai } 2594e3a2b7edSAmir Vadai 2595de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 259665ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2597de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2598f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 259954c177caSOz Shlomo struct net_device *filter_dev) 2600de0af0bfSRoi Dayan { 260193b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2602e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2603de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2604de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 26051d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 26061d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2607226f2ca3SVlad Buslov bool is_eswitch_flow; 2608de0af0bfSRoi Dayan int err; 2609de0af0bfSRoi Dayan 261093b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 261193b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 261293b3586eSHuy Nguyen 26130a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 26140a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 261593b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 261693b3586eSHuy Nguyen outer_match_level : inner_match_level; 2617de0af0bfSRoi Dayan 2618226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2619226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 26201d447a39SSaeed Mahameed rep = rpriv->rep; 2621b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 26221d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 262393b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2624e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2625e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2626de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2627de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 262893b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2629de0af0bfSRoi Dayan return -EOPNOTSUPP; 2630de0af0bfSRoi Dayan } 2631de0af0bfSRoi Dayan } 2632de0af0bfSRoi Dayan 2633c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2634c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2635c620b772SAriel Levkovich 263638aa51c1SOr Gerlitz 2637de0af0bfSRoi Dayan return err; 2638de0af0bfSRoi Dayan } 2639de0af0bfSRoi Dayan 2640d79b6df6SOr Gerlitz struct pedit_headers { 2641d79b6df6SOr Gerlitz struct ethhdr eth; 26420eb69bb9SEli Britstein struct vlan_hdr vlan; 2643d79b6df6SOr Gerlitz struct iphdr ip4; 2644d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2645d79b6df6SOr Gerlitz struct tcphdr tcp; 2646d79b6df6SOr Gerlitz struct udphdr udp; 2647d79b6df6SOr Gerlitz }; 2648d79b6df6SOr Gerlitz 2649c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2650c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2651c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2652c500c86bSPablo Neira Ayuso u32 pedits; 2653c500c86bSPablo Neira Ayuso }; 2654c500c86bSPablo Neira Ayuso 2655d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 265673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 265773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 265873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 265973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 266073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2661d79b6df6SOr Gerlitz }; 2662d79b6df6SOr Gerlitz 2663d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2664d79b6df6SOr Gerlitz 2665d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2666c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2667d79b6df6SOr Gerlitz { 2668d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2669d79b6df6SOr Gerlitz 2670c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2671c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2672d79b6df6SOr Gerlitz 2673d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2674d79b6df6SOr Gerlitz goto out_err; 2675d79b6df6SOr Gerlitz 2676d79b6df6SOr Gerlitz *curr_pmask |= mask; 2677d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2678d79b6df6SOr Gerlitz 2679d79b6df6SOr Gerlitz return 0; 2680d79b6df6SOr Gerlitz 2681d79b6df6SOr Gerlitz out_err: 2682d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2683d79b6df6SOr Gerlitz } 2684d79b6df6SOr Gerlitz 2685d79b6df6SOr Gerlitz struct mlx5_fields { 2686d79b6df6SOr Gerlitz u8 field; 268788f30bbcSDmytro Linkin u8 field_bsize; 268888f30bbcSDmytro Linkin u32 field_mask; 2689d79b6df6SOr Gerlitz u32 offset; 269027c11b6bSEli Britstein u32 match_offset; 2691d79b6df6SOr Gerlitz }; 2692d79b6df6SOr Gerlitz 269388f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 269488f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 269527c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 269627c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 269727c11b6bSEli Britstein 26982ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26992ef86872SEli Britstein * match. 27002ef86872SEli Britstein */ 27012ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 27022ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 27032ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 27042ef86872SEli Britstein type maskx = *(type *)(maskp); \ 27052ef86872SEli Britstein type valx = *(type *)(valp); \ 27062ef86872SEli Britstein \ 27072ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 27082ef86872SEli Britstein matchmaskx)); \ 27092ef86872SEli Britstein }) 27102ef86872SEli Britstein 271127c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 271288f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 271327c11b6bSEli Britstein { 271427c11b6bSEli Britstein bool same = false; 271527c11b6bSEli Britstein 271688f30bbcSDmytro Linkin switch (bsize) { 271788f30bbcSDmytro Linkin case 8: 27182ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 271927c11b6bSEli Britstein break; 272088f30bbcSDmytro Linkin case 16: 27212ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 272227c11b6bSEli Britstein break; 272388f30bbcSDmytro Linkin case 32: 27242ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 272527c11b6bSEli Britstein break; 272627c11b6bSEli Britstein } 272727c11b6bSEli Britstein 272827c11b6bSEli Britstein return same; 272927c11b6bSEli Britstein } 2730a8e4f0c4SOr Gerlitz 2731d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 273288f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 273388f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 273488f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 273588f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 273688f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 273788f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2738d79b6df6SOr Gerlitz 2739ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 274088f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 274188f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 274288f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2743d79b6df6SOr Gerlitz 274488f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 274527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 274688f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 274727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 274888f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 274927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 275088f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 275127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 275288f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 275327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 275488f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 275527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 275688f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 275727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 275888f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 275927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 276088f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2761748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2762d79b6df6SOr Gerlitz 276388f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 276488f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 276588f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 276688f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2767d79b6df6SOr Gerlitz 276888f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 276988f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2770d79b6df6SOr Gerlitz }; 2771d79b6df6SOr Gerlitz 277282198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 277382198d8bSMaor Dickman { 277482198d8bSMaor Dickman __be32 mask_be32; 277582198d8bSMaor Dickman __be16 mask_be16; 277682198d8bSMaor Dickman 277782198d8bSMaor Dickman if (size == 32) { 277882198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 277982198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 278082198d8bSMaor Dickman } else if (size == 16) { 278182198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 278282198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 278382198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 278482198d8bSMaor Dickman } 278582198d8bSMaor Dickman 278682198d8bSMaor Dickman return mask; 278782198d8bSMaor Dickman } 27886ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27896ae4a6a5SPaul Blakey int namespace, 27906ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2791e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 279227c11b6bSEli Britstein u32 *action_flags, 2793e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2794d79b6df6SOr Gerlitz { 2795d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 27966ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 279788f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 279888f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27996ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2800d79b6df6SOr Gerlitz struct mlx5_fields *f; 280182198d8bSMaor Dickman unsigned long mask, field_mask; 28026ae4a6a5SPaul Blakey int err; 280388f30bbcSDmytro Linkin u8 cmd; 280488f30bbcSDmytro Linkin 28056ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 280688f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 280788f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2808d79b6df6SOr Gerlitz 280973867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 281073867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 281173867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 281273867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2813d79b6df6SOr Gerlitz 2814d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2815d79b6df6SOr Gerlitz 2816d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 281727c11b6bSEli Britstein bool skip; 281827c11b6bSEli Britstein 2819d79b6df6SOr Gerlitz f = &fields[i]; 2820d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2821e3ca4e05SOr Gerlitz s_mask = 0; 2822e3ca4e05SOr Gerlitz a_mask = 0; 2823d79b6df6SOr Gerlitz 2824d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2825d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2826d79b6df6SOr Gerlitz 282788f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 282888f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2829d79b6df6SOr Gerlitz 2830d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2831d79b6df6SOr Gerlitz continue; 2832d79b6df6SOr Gerlitz 2833d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2834e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2835e98bedf5SEli Britstein "can't set and add to the same HW field"); 2836d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2837d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2838d79b6df6SOr Gerlitz } 2839d79b6df6SOr Gerlitz 284027c11b6bSEli Britstein skip = false; 2841d79b6df6SOr Gerlitz if (s_mask) { 284227c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 284327c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 284427c11b6bSEli Britstein 2845d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2846d79b6df6SOr Gerlitz mask = s_mask; 2847d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 284827c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 284927c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 285088f30bbcSDmytro Linkin match_mask, f->field_bsize)) 285127c11b6bSEli Britstein skip = true; 2852d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 285388f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2854d79b6df6SOr Gerlitz } else { 2855d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2856d79b6df6SOr Gerlitz mask = a_mask; 2857d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 285827c11b6bSEli Britstein /* add 0 is no change */ 285988f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 286027c11b6bSEli Britstein skip = true; 2861d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 286288f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2863d79b6df6SOr Gerlitz } 286427c11b6bSEli Britstein if (skip) 286527c11b6bSEli Britstein continue; 2866d79b6df6SOr Gerlitz 286782198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 28682b64bebaSOr Gerlitz 286988f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 287088f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 287188f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28722b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2873e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2874e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 28752b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2876d79b6df6SOr Gerlitz mask); 2877d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2878d79b6df6SOr Gerlitz } 2879d79b6df6SOr Gerlitz 28806ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 28816ae4a6a5SPaul Blakey if (err) { 28826ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28836ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28846ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28856ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28866ae4a6a5SPaul Blakey mod_acts->num_actions); 28876ae4a6a5SPaul Blakey return err; 28886ae4a6a5SPaul Blakey } 28896ae4a6a5SPaul Blakey 28906ae4a6a5SPaul Blakey action = mod_acts->actions + 28916ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2892d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2893d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2894d79b6df6SOr Gerlitz 2895d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 289688f30bbcSDmytro Linkin int start; 289788f30bbcSDmytro Linkin 289882198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 289982198d8bSMaor Dickman 290088f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 290182198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 290288f30bbcSDmytro Linkin 290388f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2904d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 29052b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2906d79b6df6SOr Gerlitz } 2907d79b6df6SOr Gerlitz 290888f30bbcSDmytro Linkin if (f->field_bsize == 32) 29092b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 291088f30bbcSDmytro Linkin else if (f->field_bsize == 16) 29112b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 291288f30bbcSDmytro Linkin else if (f->field_bsize == 8) 29132b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2914d79b6df6SOr Gerlitz 29156ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2916d79b6df6SOr Gerlitz } 2917d79b6df6SOr Gerlitz 2918d79b6df6SOr Gerlitz return 0; 2919d79b6df6SOr Gerlitz } 2920d79b6df6SOr Gerlitz 29212cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 29222cc1cb1dSTonghao Zhang int namespace) 29232cc1cb1dSTonghao Zhang { 29242cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 29252cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 29262cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 29272cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 29282cc1cb1dSTonghao Zhang } 29292cc1cb1dSTonghao Zhang 29306ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2931c500c86bSPablo Neira Ayuso int namespace, 29326ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2933d79b6df6SOr Gerlitz { 29346ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 29356ae4a6a5SPaul Blakey size_t new_sz, old_sz; 29366ae4a6a5SPaul Blakey void *ret; 2937d79b6df6SOr Gerlitz 29386ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 29396ae4a6a5SPaul Blakey return 0; 29406ae4a6a5SPaul Blakey 2941d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2942d79b6df6SOr Gerlitz 29436ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 29446ae4a6a5SPaul Blakey namespace); 29456ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 29466ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 29476ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 29486ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 29496ae4a6a5SPaul Blakey return -ENOSPC; 2950d79b6df6SOr Gerlitz 29516ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 29526ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 29536ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 29546ae4a6a5SPaul Blakey if (!ret) 2955d79b6df6SOr Gerlitz return -ENOMEM; 2956d79b6df6SOr Gerlitz 29576ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 29586ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 29596ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 29606ae4a6a5SPaul Blakey 2961d79b6df6SOr Gerlitz return 0; 2962d79b6df6SOr Gerlitz } 2963d79b6df6SOr Gerlitz 29646ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 29656ae4a6a5SPaul Blakey { 29666ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 29676ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 29686ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 29696ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 29706ae4a6a5SPaul Blakey } 29716ae4a6a5SPaul Blakey 2972d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2973d79b6df6SOr Gerlitz 2974582234b4SEli Cohen static int 2975582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 297673867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2977582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2978c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2979e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2980d79b6df6SOr Gerlitz { 298173867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 298273867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2983d79b6df6SOr Gerlitz u32 mask, val, offset; 298473867881SPablo Neira Ayuso u8 htype; 2985d79b6df6SOr Gerlitz 298673867881SPablo Neira Ayuso htype = act->mangle.htype; 2987d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2988d79b6df6SOr Gerlitz 298973867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 299073867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2991d79b6df6SOr Gerlitz goto out_err; 2992d79b6df6SOr Gerlitz } 2993d79b6df6SOr Gerlitz 29942cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 29952cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 29962cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 29972cc1cb1dSTonghao Zhang goto out_err; 29982cc1cb1dSTonghao Zhang } 29992cc1cb1dSTonghao Zhang 300073867881SPablo Neira Ayuso mask = act->mangle.mask; 300173867881SPablo Neira Ayuso val = act->mangle.val; 300273867881SPablo Neira Ayuso offset = act->mangle.offset; 3003d79b6df6SOr Gerlitz 3004c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 3005d79b6df6SOr Gerlitz if (err) 3006d79b6df6SOr Gerlitz goto out_err; 3007c500c86bSPablo Neira Ayuso 3008c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 3009d79b6df6SOr Gerlitz 3010c500c86bSPablo Neira Ayuso return 0; 3011c500c86bSPablo Neira Ayuso out_err: 3012c500c86bSPablo Neira Ayuso return err; 3013c500c86bSPablo Neira Ayuso } 3014c500c86bSPablo Neira Ayuso 3015582234b4SEli Cohen static int 3016582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 3017582234b4SEli Cohen const struct flow_action_entry *act, 3018582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3019582234b4SEli Cohen struct netlink_ext_ack *extack) 3020582234b4SEli Cohen { 3021582234b4SEli Cohen u32 mask, val, offset; 3022582234b4SEli Cohen u32 *p; 3023582234b4SEli Cohen 3024582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 3025582234b4SEli Cohen return -EOPNOTSUPP; 3026582234b4SEli Cohen 3027582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 3028582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 3029582234b4SEli Cohen return -EOPNOTSUPP; 3030582234b4SEli Cohen } 3031582234b4SEli Cohen 3032582234b4SEli Cohen mask = ~act->mangle.mask; 3033582234b4SEli Cohen val = act->mangle.val; 3034582234b4SEli Cohen offset = act->mangle.offset; 3035582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 3036582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 3037582234b4SEli Cohen 3038582234b4SEli Cohen return 0; 3039582234b4SEli Cohen } 3040582234b4SEli Cohen 3041582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 3042582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 3043582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3044582234b4SEli Cohen struct pedit_headers_action *hdrs, 3045582234b4SEli Cohen struct mlx5e_tc_flow *flow, 3046582234b4SEli Cohen struct netlink_ext_ack *extack) 3047582234b4SEli Cohen { 3048582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 3049582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 3050582234b4SEli Cohen 3051582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 3052582234b4SEli Cohen parse_attr, hdrs, extack); 3053582234b4SEli Cohen } 3054582234b4SEli Cohen 3055c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3056c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3057c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 305827c11b6bSEli Britstein u32 *action_flags, 3059c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3060c500c86bSPablo Neira Ayuso { 3061c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3062c500c86bSPablo Neira Ayuso int err; 3063c500c86bSPablo Neira Ayuso u8 cmd; 3064c500c86bSPablo Neira Ayuso 30656ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 30666ae4a6a5SPaul Blakey action_flags, extack); 3067d79b6df6SOr Gerlitz if (err < 0) 3068d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3069d79b6df6SOr Gerlitz 3070d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 3071c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 3072d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 3073e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3074e98bedf5SEli Britstein "attempt to offload an unsupported field"); 3075b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3076d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3077d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3078d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 3079d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3080d79b6df6SOr Gerlitz } 3081d79b6df6SOr Gerlitz } 3082d79b6df6SOr Gerlitz 3083d79b6df6SOr Gerlitz return 0; 3084d79b6df6SOr Gerlitz 3085d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30866ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3087d79b6df6SOr Gerlitz return err; 3088d79b6df6SOr Gerlitz } 3089d79b6df6SOr Gerlitz 3090e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3091e98bedf5SEli Britstein u32 action, 3092e98bedf5SEli Britstein u32 update_flags, 3093e98bedf5SEli Britstein struct netlink_ext_ack *extack) 309426c02749SOr Gerlitz { 309526c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 309626c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 309726c02749SOr Gerlitz 309826c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 309926c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3100e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3101e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 310226c02749SOr Gerlitz netdev_warn(priv->netdev, 310326c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 310426c02749SOr Gerlitz return false; 310526c02749SOr Gerlitz } 310626c02749SOr Gerlitz 310726c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3108e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3109e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 311026c02749SOr Gerlitz netdev_warn(priv->netdev, 311126c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 311226c02749SOr Gerlitz update_flags); 311326c02749SOr Gerlitz return false; 311426c02749SOr Gerlitz } 311526c02749SOr Gerlitz 311626c02749SOr Gerlitz return true; 311726c02749SOr Gerlitz } 311826c02749SOr Gerlitz 31198998576bSDmytro Linkin struct ip_ttl_word { 31208998576bSDmytro Linkin __u8 ttl; 31218998576bSDmytro Linkin __u8 protocol; 31228998576bSDmytro Linkin __sum16 check; 31238998576bSDmytro Linkin }; 31248998576bSDmytro Linkin 31258998576bSDmytro Linkin struct ipv6_hoplimit_word { 31268998576bSDmytro Linkin __be16 payload_len; 31278998576bSDmytro Linkin __u8 nexthdr; 31288998576bSDmytro Linkin __u8 hop_limit; 31298998576bSDmytro Linkin }; 31308998576bSDmytro Linkin 31314c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 31324c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 31337e36feebSPaul Blakey bool *modify_tuple, 31344c3844d9SPaul Blakey struct netlink_ext_ack *extack) 31358998576bSDmytro Linkin { 31368998576bSDmytro Linkin u32 mask, offset; 31378998576bSDmytro Linkin u8 htype; 31388998576bSDmytro Linkin 31398998576bSDmytro Linkin htype = act->mangle.htype; 31408998576bSDmytro Linkin offset = act->mangle.offset; 31418998576bSDmytro Linkin mask = ~act->mangle.mask; 31428998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 31438998576bSDmytro Linkin * to determine that modified fields 31448998576bSDmytro Linkin * are NOT ttl & hop_limit only. 31458998576bSDmytro Linkin */ 31468998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 31478998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 31488998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 31498998576bSDmytro Linkin 31508998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 31518998576bSDmytro Linkin ttl_word->protocol || 31528998576bSDmytro Linkin ttl_word->check) { 31534c3844d9SPaul Blakey *modify_ip_header = true; 31544c3844d9SPaul Blakey } 31554c3844d9SPaul Blakey 31567e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 31577e36feebSPaul Blakey *modify_tuple = true; 31587e36feebSPaul Blakey 31597e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31604c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31614c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 31624c3844d9SPaul Blakey return -EOPNOTSUPP; 31638998576bSDmytro Linkin } 31648998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 31658998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 31668998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 31678998576bSDmytro Linkin 31688998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 31698998576bSDmytro Linkin hoplimit_word->payload_len || 31708998576bSDmytro Linkin hoplimit_word->nexthdr) { 31714c3844d9SPaul Blakey *modify_ip_header = true; 31728998576bSDmytro Linkin } 31734c3844d9SPaul Blakey 31747e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 31757e36feebSPaul Blakey *modify_tuple = true; 31767e36feebSPaul Blakey 31777e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 31784c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31794c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31804c3844d9SPaul Blakey return -EOPNOTSUPP; 31818998576bSDmytro Linkin } 31827e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31837e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31847e36feebSPaul Blakey *modify_tuple = true; 31857e36feebSPaul Blakey if (ct_flow) { 31864c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31874c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31884c3844d9SPaul Blakey return -EOPNOTSUPP; 31894c3844d9SPaul Blakey } 31907e36feebSPaul Blakey } 31914c3844d9SPaul Blakey 31924c3844d9SPaul Blakey return 0; 31938998576bSDmytro Linkin } 31948998576bSDmytro Linkin 31953d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 31963d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 319773867881SPablo Neira Ayuso struct flow_action *flow_action, 31984c3844d9SPaul Blakey u32 actions, bool ct_flow, 31997e36feebSPaul Blakey bool ct_clear, 3200e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3201bdd66ac0SOr Gerlitz { 320273867881SPablo Neira Ayuso const struct flow_action_entry *act; 32037e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3204fca53304SEli Britstein void *headers_c; 3205bdd66ac0SOr Gerlitz void *headers_v; 3206bdd66ac0SOr Gerlitz u16 ethertype; 32078998576bSDmytro Linkin u8 ip_proto; 32084c3844d9SPaul Blakey int i, err; 3209bdd66ac0SOr Gerlitz 3210fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 32118377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3212bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3213bdd66ac0SOr Gerlitz 3214bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3215fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3216fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3217bdd66ac0SOr Gerlitz goto out_ok; 3218bdd66ac0SOr Gerlitz 3219bdd66ac0SOr Gerlitz modify_ip_header = false; 32207e36feebSPaul Blakey modify_tuple = false; 322173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 322273867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 322373867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3224bdd66ac0SOr Gerlitz continue; 3225bdd66ac0SOr Gerlitz 32264c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 32277e36feebSPaul Blakey &modify_ip_header, 32287e36feebSPaul Blakey &modify_tuple, extack); 32294c3844d9SPaul Blakey if (err) 32304c3844d9SPaul Blakey return err; 3231bdd66ac0SOr Gerlitz } 3232bdd66ac0SOr Gerlitz 32337e36feebSPaul Blakey /* Add ct_state=-trk match so it will be offloaded for non ct flows 32347e36feebSPaul Blakey * (or after clear action), as otherwise, since the tuple is changed, 32357e36feebSPaul Blakey * we can't restore ct state 32367e36feebSPaul Blakey */ 32377e36feebSPaul Blakey if (!ct_clear && modify_tuple && 323889fbdbaeSSaeed Mahameed mlx5_tc_ct_add_no_trk_match(spec)) { 32397e36feebSPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32407e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 32417e36feebSPaul Blakey netdev_info(priv->netdev, 32427e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 32437e36feebSPaul Blakey return false; 32447e36feebSPaul Blakey } 32457e36feebSPaul Blakey 3246bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 32471ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 32481ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3249e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3250e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 32513d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 32523d486ec4SOz Shlomo ip_proto); 3253bdd66ac0SOr Gerlitz return false; 3254bdd66ac0SOr Gerlitz } 3255bdd66ac0SOr Gerlitz 3256bdd66ac0SOr Gerlitz out_ok: 3257bdd66ac0SOr Gerlitz return true; 3258bdd66ac0SOr Gerlitz } 3259bdd66ac0SOr Gerlitz 3260bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 326173867881SPablo Neira Ayuso struct flow_action *flow_action, 3262bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3263e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3264e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3265bdd66ac0SOr Gerlitz { 3266a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3267bdd66ac0SOr Gerlitz u32 actions; 3268bdd66ac0SOr Gerlitz 3269c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3270a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3271a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3272c620b772SAriel Levkovich actions = flow->attr->action; 3273c620b772SAriel Levkovich 3274c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 3275c620b772SAriel Levkovich if (flow->attr->esw_attr->split_count && ct_flow) { 32764c3844d9SPaul Blakey /* All registers used by ct are cleared when using 32774c3844d9SPaul Blakey * split rules. 32784c3844d9SPaul Blakey */ 32794c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32804c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 328149397b80SDan Carpenter return false; 32824c3844d9SPaul Blakey } 32834c3844d9SPaul Blakey } 3284bdd66ac0SOr Gerlitz 3285bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 32863d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3287a655fe9fSDavid S. Miller flow_action, actions, 32887e36feebSPaul Blakey ct_flow, ct_clear, 32897e36feebSPaul Blakey extack); 3290bdd66ac0SOr Gerlitz 3291bdd66ac0SOr Gerlitz return true; 3292bdd66ac0SOr Gerlitz } 3293bdd66ac0SOr Gerlitz 329432134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 329532134847SMaor Dickman { 329632134847SMaor Dickman return priv->mdev == peer_priv->mdev; 329732134847SMaor Dickman } 329832134847SMaor Dickman 32995c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 33005c65c564SOr Gerlitz { 33015c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3302816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 33035c65c564SOr Gerlitz 33045c65c564SOr Gerlitz fmdev = priv->mdev; 33055c65c564SOr Gerlitz pmdev = peer_priv->mdev; 33065c65c564SOr Gerlitz 330759c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 330859c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 33095c65c564SOr Gerlitz 3310816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 33115c65c564SOr Gerlitz } 33125c65c564SOr Gerlitz 3313bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3314bdc837eeSEli Britstein const struct flow_action_entry *act, 3315bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3316bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3317bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3318bdc837eeSEli Britstein { 3319bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3320bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3321bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3322bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3323bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3324bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3325bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3326bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3327bdc837eeSEli Britstein }; 33286fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3329bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3330bdc837eeSEli Britstein int err; 3331bdc837eeSEli Britstein 3332bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3333bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3334bf2f3bcaSEli Britstein 3335bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3336bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3337bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3338bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3339bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3340bf2f3bcaSEli Britstein } 3341bf2f3bcaSEli Britstein 33426fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 33436fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 33446fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 33456fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 33466fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3347bdc837eeSEli Britstein return -EOPNOTSUPP; 3348bdc837eeSEli Britstein } 3349bdc837eeSEli Britstein 3350582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3351bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3352bdc837eeSEli Britstein 3353bdc837eeSEli Britstein return err; 3354bdc837eeSEli Britstein } 3355bdc837eeSEli Britstein 33560bac1194SEli Britstein static int 33570bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 33580bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 33590bac1194SEli Britstein struct pedit_headers_action *hdrs, 33600bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 33610bac1194SEli Britstein { 33620bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 33630bac1194SEli Britstein .vlan.vid = 0, 33640bac1194SEli Britstein .vlan.prio = 33650bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33660bac1194SEli Britstein get_match_headers_value(*action, 33670bac1194SEli Britstein &parse_attr->spec), 33680bac1194SEli Britstein first_prio) & 33690bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33700bac1194SEli Britstein get_match_headers_criteria(*action, 33710bac1194SEli Britstein &parse_attr->spec), 33720bac1194SEli Britstein first_prio), 33730bac1194SEli Britstein }; 33740bac1194SEli Britstein 33750bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 33760bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 33770bac1194SEli Britstein extack); 33780bac1194SEli Britstein } 33790bac1194SEli Britstein 3380c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3381c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3382c7569097SAriel Levkovich const struct flow_action_entry *act, 3383c7569097SAriel Levkovich u32 actions, 3384c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3385c7569097SAriel Levkovich { 3386c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3387c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3388c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3389c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3390c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3391c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3392c7569097SAriel Levkovich u32 reformat_and_fwd; 3393c7569097SAriel Levkovich u32 max_chain; 3394c7569097SAriel Levkovich 3395c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3396c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3397c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3398c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3399c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3400c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3401c7569097SAriel Levkovich 3402c7569097SAriel Levkovich if (ft_flow) { 3403c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3404c7569097SAriel Levkovich return -EOPNOTSUPP; 3405c7569097SAriel Levkovich } 3406c7569097SAriel Levkovich 3407c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3408c7569097SAriel Levkovich dest_chain <= attr->chain) { 3409c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3410c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3411c7569097SAriel Levkovich return -EOPNOTSUPP; 3412c7569097SAriel Levkovich } 3413c7569097SAriel Levkovich 3414c7569097SAriel Levkovich if (dest_chain > max_chain) { 3415c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3416c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3417c7569097SAriel Levkovich return -EOPNOTSUPP; 3418c7569097SAriel Levkovich } 3419c7569097SAriel Levkovich 3420c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3421c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3422c7569097SAriel Levkovich !reformat_and_fwd) { 3423c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3424c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3425c7569097SAriel Levkovich return -EOPNOTSUPP; 3426c7569097SAriel Levkovich } 3427c7569097SAriel Levkovich 3428c7569097SAriel Levkovich return 0; 3429c7569097SAriel Levkovich } 3430c7569097SAriel Levkovich 343173867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 343273867881SPablo Neira Ayuso struct flow_action *flow_action, 3433aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3434e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3435e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3436e3a2b7edSAmir Vadai { 3437c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 343873867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 343973867881SPablo Neira Ayuso const struct flow_action_entry *act; 3440c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 34411cab1cd7SOr Gerlitz u32 action = 0; 3442244cd96aSCong Wang int err, i; 3443e3a2b7edSAmir Vadai 344473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3445e3a2b7edSAmir Vadai return -EINVAL; 3446e3a2b7edSAmir Vadai 344753eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 344853eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3449319a1d19SJiri Pirko return -EOPNOTSUPP; 3450319a1d19SJiri Pirko 3451c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3452c620b772SAriel Levkovich 3453c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3454e3a2b7edSAmir Vadai 345573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 345673867881SPablo Neira Ayuso switch (act->id) { 345715fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 345815fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 345915fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 346015fc92ecSTonghao Zhang break; 346173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 34621cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3463aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3464aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 34651cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 346673867881SPablo Neira Ayuso break; 346773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 346873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 346973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3470582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 34712f4fe4caSOr Gerlitz if (err) 34722f4fe4caSOr Gerlitz return err; 34732f4fe4caSOr Gerlitz 3474c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 347573867881SPablo Neira Ayuso break; 3476bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3477bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3478bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3479bdc837eeSEli Britstein act, parse_attr, hdrs, 3480bdc837eeSEli Britstein &action, extack); 3481bdc837eeSEli Britstein if (err) 3482bdc837eeSEli Britstein return err; 3483bdc837eeSEli Britstein 3484bdc837eeSEli Britstein break; 348573867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 34861cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 348773867881SPablo Neira Ayuso act->csum_flags, 3488e98bedf5SEli Britstein extack)) 348973867881SPablo Neira Ayuso break; 349026c02749SOr Gerlitz 349126c02749SOr Gerlitz return -EOPNOTSUPP; 349273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 349373867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 34945c65c564SOr Gerlitz 34955c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 34965c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 349798b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3498226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 34991cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 35005c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 35015c65c564SOr Gerlitz } else { 3502e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3503e98bedf5SEli Britstein "device is not on same HW, can't offload"); 35045c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 35055c65c564SOr Gerlitz peer_dev->name); 35065c65c564SOr Gerlitz return -EINVAL; 35075c65c564SOr Gerlitz } 35085c65c564SOr Gerlitz } 350973867881SPablo Neira Ayuso break; 351073867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 351173867881SPablo Neira Ayuso u32 mark = act->mark; 3512e3a2b7edSAmir Vadai 3513e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3514e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3515e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3516e3a2b7edSAmir Vadai return -EINVAL; 3517e3a2b7edSAmir Vadai } 3518e3a2b7edSAmir Vadai 3519c620b772SAriel Levkovich nic_attr->flow_tag = mark; 35201cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3521e3a2b7edSAmir Vadai } 352273867881SPablo Neira Ayuso break; 3523c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3524c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3525c7569097SAriel Levkovich extack); 3526c7569097SAriel Levkovich if (err) 3527c7569097SAriel Levkovich return err; 3528c7569097SAriel Levkovich 3529c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3530c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3531c7569097SAriel Levkovich break; 3532aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3533aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3534aedd133dSAriel Levkovich if (err) 3535aedd133dSAriel Levkovich return err; 3536aedd133dSAriel Levkovich 3537aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3538aedd133dSAriel Levkovich break; 353973867881SPablo Neira Ayuso default: 35402cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 35412cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3542e3a2b7edSAmir Vadai } 354373867881SPablo Neira Ayuso } 3544e3a2b7edSAmir Vadai 3545c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3546c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3547c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 354827c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3549c500c86bSPablo Neira Ayuso if (err) 3550c500c86bSPablo Neira Ayuso return err; 355127c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 355227c11b6bSEli Britstein * flag. 355327c11b6bSEli Britstein */ 35546ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 355527c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 35566ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3557e7739a60SEli Britstein } 3558c500c86bSPablo Neira Ayuso } 3559c500c86bSPablo Neira Ayuso 35601cab1cd7SOr Gerlitz attr->action = action; 3561c7569097SAriel Levkovich 3562c7569097SAriel Levkovich if (attr->dest_chain) { 3563c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3564c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3565c7569097SAriel Levkovich return -EOPNOTSUPP; 3566c7569097SAriel Levkovich } 3567c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3568c7569097SAriel Levkovich } 3569c7569097SAriel Levkovich 3570c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 3571c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3572c7569097SAriel Levkovich 357373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3574bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3575bdd66ac0SOr Gerlitz 3576e3a2b7edSAmir Vadai return 0; 3577e3a2b7edSAmir Vadai } 3578e3a2b7edSAmir Vadai 35797f1a546eSEli Britstein struct encap_key { 35801f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3581d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 35827f1a546eSEli Britstein }; 35837f1a546eSEli Britstein 35847f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 35857f1a546eSEli Britstein struct encap_key *b) 3586a54e20b4SHadar Hen Zion { 35877f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3588d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3589a54e20b4SHadar Hen Zion } 3590a54e20b4SHadar Hen Zion 359114e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 359214e6b038SEli Cohen struct mlx5e_decap_key *b) 359314e6b038SEli Cohen { 359414e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 359514e6b038SEli Cohen } 359614e6b038SEli Cohen 35977f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3598a54e20b4SHadar Hen Zion { 35997f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3600d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3601a54e20b4SHadar Hen Zion } 3602a54e20b4SHadar Hen Zion 360314e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 360414e6b038SEli Cohen { 360514e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 360614e6b038SEli Cohen } 3607a54e20b4SHadar Hen Zion 360832134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3609b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3610b1d90e6bSRabie Loulou { 3611b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3612b1d90e6bSRabie Loulou 3613b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3614b1d90e6bSRabie Loulou 3615b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 361632134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 361732134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 361868931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3619b1d90e6bSRabie Loulou } 3620b1d90e6bSRabie Loulou 3621948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3622948993f2SVlad Buslov { 3623948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3624948993f2SVlad Buslov } 3625948993f2SVlad Buslov 362614e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 362714e6b038SEli Cohen { 362814e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 362914e6b038SEli Cohen } 363014e6b038SEli Cohen 3631948993f2SVlad Buslov static struct mlx5e_encap_entry * 3632948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3633948993f2SVlad Buslov uintptr_t hash_key) 3634948993f2SVlad Buslov { 3635948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3636948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3637948993f2SVlad Buslov struct encap_key e_key; 3638948993f2SVlad Buslov 3639948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3640948993f2SVlad Buslov encap_hlist, hash_key) { 3641948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3642948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3643948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3644948993f2SVlad Buslov mlx5e_encap_take(e)) 3645948993f2SVlad Buslov return e; 3646948993f2SVlad Buslov } 3647948993f2SVlad Buslov 3648948993f2SVlad Buslov return NULL; 3649948993f2SVlad Buslov } 3650948993f2SVlad Buslov 365114e6b038SEli Cohen static struct mlx5e_decap_entry * 365214e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 365314e6b038SEli Cohen uintptr_t hash_key) 365414e6b038SEli Cohen { 365514e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 365614e6b038SEli Cohen struct mlx5e_decap_key r_key; 365714e6b038SEli Cohen struct mlx5e_decap_entry *e; 365814e6b038SEli Cohen 365914e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 366014e6b038SEli Cohen hlist, hash_key) { 366114e6b038SEli Cohen r_key = e->key; 366214e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 366314e6b038SEli Cohen mlx5e_decap_take(e)) 366414e6b038SEli Cohen return e; 366514e6b038SEli Cohen } 366614e6b038SEli Cohen return NULL; 366714e6b038SEli Cohen } 366814e6b038SEli Cohen 36692a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 36702a4b6526SVlad Buslov { 36712a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 36722a4b6526SVlad Buslov 36732a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 36742a4b6526SVlad Buslov } 36752a4b6526SVlad Buslov 3676554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3677554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3678554fe75cSDmytro Linkin int out_index, 3679554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3680554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3681554fe75cSDmytro Linkin { 3682554fe75cSDmytro Linkin int i; 3683554fe75cSDmytro Linkin 3684554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3685554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3686554fe75cSDmytro Linkin continue; 3687554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3688554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3689554fe75cSDmytro Linkin return true; 3690554fe75cSDmytro Linkin } 3691554fe75cSDmytro Linkin 3692554fe75cSDmytro Linkin return false; 3693554fe75cSDmytro Linkin } 3694554fe75cSDmytro Linkin 3695a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3696e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3697733d4f36SRoi Dayan struct net_device *mirred_dev, 3698733d4f36SRoi Dayan int out_index, 36998c4dc42bSEli Britstein struct netlink_ext_ack *extack, 37000ad060eeSRoi Dayan struct net_device **encap_dev, 37010ad060eeSRoi Dayan bool *encap_valid) 370203a9d11eSOr Gerlitz { 3703a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3704733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3705c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 37061f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3707948993f2SVlad Buslov struct encap_key key; 3708c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3709733d4f36SRoi Dayan unsigned short family; 3710a54e20b4SHadar Hen Zion uintptr_t hash_key; 371154c177caSOz Shlomo int err = 0; 3712a54e20b4SHadar Hen Zion 3713733d4f36SRoi Dayan parse_attr = attr->parse_attr; 37141f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3715733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 37167f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3717d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3718d71f895cSEli Cohen if (!key.tc_tunnel) { 3719d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3720d71f895cSEli Cohen return -EOPNOTSUPP; 3721d71f895cSEli Cohen } 3722733d4f36SRoi Dayan 37237f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3724a54e20b4SHadar Hen Zion 372561086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3726948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3727a54e20b4SHadar Hen Zion 3728b2812089SVlad Buslov /* must verify if encap is valid or not */ 3729d589e785SVlad Buslov if (e) { 3730554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3731554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3732554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3733554fe75cSDmytro Linkin goto out_err; 3734554fe75cSDmytro Linkin } 3735554fe75cSDmytro Linkin 3736d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3737d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3738d589e785SVlad Buslov 3739d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3740d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 37413c140dd5SVlad Buslov if (e->compl_result < 0) { 3742d589e785SVlad Buslov err = -EREMOTEIO; 3743d589e785SVlad Buslov goto out_err; 3744d589e785SVlad Buslov } 374545247bf2SOr Gerlitz goto attach_flow; 3746d589e785SVlad Buslov } 3747a54e20b4SHadar Hen Zion 3748a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 374961086f39SVlad Buslov if (!e) { 375061086f39SVlad Buslov err = -ENOMEM; 375161086f39SVlad Buslov goto out_err; 375261086f39SVlad Buslov } 3753a54e20b4SHadar Hen Zion 3754948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3755d589e785SVlad Buslov init_completion(&e->res_ready); 3756d589e785SVlad Buslov 37572a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 37582a4b6526SVlad Buslov if (!tun_info) { 37592a4b6526SVlad Buslov err = -ENOMEM; 37602a4b6526SVlad Buslov goto out_err_init; 37612a4b6526SVlad Buslov } 37621f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3763101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 37642a4b6526SVlad Buslov if (err) 37652a4b6526SVlad Buslov goto out_err_init; 376654c177caSOz Shlomo 3767a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3768d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3769d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3770a54e20b4SHadar Hen Zion 3771ce99f6b9SOr Gerlitz if (family == AF_INET) 3772101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3773ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3774101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3775ce99f6b9SOr Gerlitz 3776d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3777d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3778d589e785SVlad Buslov complete_all(&e->res_ready); 3779d589e785SVlad Buslov if (err) { 3780d589e785SVlad Buslov e->compl_result = err; 3781a54e20b4SHadar Hen Zion goto out_err; 3782d589e785SVlad Buslov } 37833c140dd5SVlad Buslov e->compl_result = 1; 3784a54e20b4SHadar Hen Zion 378545247bf2SOr Gerlitz attach_flow: 3786948993f2SVlad Buslov flow->encaps[out_index].e = e; 37878c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 37888c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 378945247bf2SOr Gerlitz *encap_dev = e->out_dev; 37908c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 3791c620b772SAriel Levkovich attr->esw_attr->dests[out_index].pkt_reformat = e->pkt_reformat; 3792c620b772SAriel Levkovich attr->esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 37930ad060eeSRoi Dayan *encap_valid = true; 37948c4dc42bSEli Britstein } else { 37950ad060eeSRoi Dayan *encap_valid = false; 37968c4dc42bSEli Britstein } 379761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 379845247bf2SOr Gerlitz 3799232c0013SHadar Hen Zion return err; 3800a54e20b4SHadar Hen Zion 3801a54e20b4SHadar Hen Zion out_err: 380261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3803d589e785SVlad Buslov if (e) 3804d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3805a54e20b4SHadar Hen Zion return err; 38062a4b6526SVlad Buslov 38072a4b6526SVlad Buslov out_err_init: 38082a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 38092a4b6526SVlad Buslov kfree(tun_info); 38102a4b6526SVlad Buslov kfree(e); 38112a4b6526SVlad Buslov return err; 3812a54e20b4SHadar Hen Zion } 3813a54e20b4SHadar Hen Zion 381414e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 381514e6b038SEli Cohen struct mlx5e_tc_flow *flow, 381614e6b038SEli Cohen struct netlink_ext_ack *extack) 381714e6b038SEli Cohen { 381814e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3819c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 382014e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 382114e6b038SEli Cohen struct mlx5e_decap_entry *d; 382214e6b038SEli Cohen struct mlx5e_decap_key key; 382314e6b038SEli Cohen uintptr_t hash_key; 382428619046SNathan Chancellor int err = 0; 382514e6b038SEli Cohen 3826c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 382714e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 382814e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 382914e6b038SEli Cohen "encap header larger than max supported"); 383014e6b038SEli Cohen return -EOPNOTSUPP; 383114e6b038SEli Cohen } 383214e6b038SEli Cohen 383314e6b038SEli Cohen key.key = parse_attr->eth; 383414e6b038SEli Cohen hash_key = hash_decap_info(&key); 383514e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 383614e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 383714e6b038SEli Cohen if (d) { 383814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 383914e6b038SEli Cohen wait_for_completion(&d->res_ready); 384014e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 384114e6b038SEli Cohen if (d->compl_result) { 384214e6b038SEli Cohen err = -EREMOTEIO; 384314e6b038SEli Cohen goto out_free; 384414e6b038SEli Cohen } 384514e6b038SEli Cohen goto found; 384614e6b038SEli Cohen } 384714e6b038SEli Cohen 384814e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 384914e6b038SEli Cohen if (!d) { 385014e6b038SEli Cohen err = -ENOMEM; 385114e6b038SEli Cohen goto out_err; 385214e6b038SEli Cohen } 385314e6b038SEli Cohen 385414e6b038SEli Cohen d->key = key; 385514e6b038SEli Cohen refcount_set(&d->refcnt, 1); 385614e6b038SEli Cohen init_completion(&d->res_ready); 385714e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 385814e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 385914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 386014e6b038SEli Cohen 386114e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 386214e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 386314e6b038SEli Cohen sizeof(parse_attr->eth), 386414e6b038SEli Cohen &parse_attr->eth, 386514e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 386614e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 386714e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 386814e6b038SEli Cohen d->compl_result = err; 386914e6b038SEli Cohen } 387014e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 387114e6b038SEli Cohen complete_all(&d->res_ready); 387214e6b038SEli Cohen if (err) 387314e6b038SEli Cohen goto out_free; 387414e6b038SEli Cohen 387514e6b038SEli Cohen found: 387614e6b038SEli Cohen flow->decap_reformat = d; 387714e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 387814e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 387914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 388014e6b038SEli Cohen return 0; 388114e6b038SEli Cohen 388214e6b038SEli Cohen out_free: 388314e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 388414e6b038SEli Cohen mlx5e_decap_put(priv, d); 388514e6b038SEli Cohen return err; 388614e6b038SEli Cohen 388714e6b038SEli Cohen out_err: 388814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 388914e6b038SEli Cohen return err; 389014e6b038SEli Cohen } 389114e6b038SEli Cohen 38921482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 389373867881SPablo Neira Ayuso const struct flow_action_entry *act, 38941482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 38951482bd3dSJianbo Liu u32 *action) 38961482bd3dSJianbo Liu { 3897cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3898cc495188SJianbo Liu 3899cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 39001482bd3dSJianbo Liu return -EOPNOTSUPP; 3901cc495188SJianbo Liu 390273867881SPablo Neira Ayuso switch (act->id) { 390373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3904cc495188SJianbo Liu if (vlan_idx) { 3905cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3906cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3907cc495188SJianbo Liu return -EOPNOTSUPP; 3908cc495188SJianbo Liu 3909cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3910cc495188SJianbo Liu } else { 3911cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3912cc495188SJianbo Liu } 391373867881SPablo Neira Ayuso break; 391473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 391573867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 391673867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 391773867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3918cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3919cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3920cc495188SJianbo Liu 3921cc495188SJianbo Liu if (vlan_idx) { 3922cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3923cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3924cc495188SJianbo Liu return -EOPNOTSUPP; 3925cc495188SJianbo Liu 3926cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3927cc495188SJianbo Liu } else { 3928cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 392973867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 393073867881SPablo Neira Ayuso act->vlan.prio)) 3931cc495188SJianbo Liu return -EOPNOTSUPP; 3932cc495188SJianbo Liu 3933cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 39341482bd3dSJianbo Liu } 393573867881SPablo Neira Ayuso break; 393673867881SPablo Neira Ayuso default: 3937bdc837eeSEli Britstein return -EINVAL; 39381482bd3dSJianbo Liu } 39391482bd3dSJianbo Liu 3940cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3941cc495188SJianbo Liu 39421482bd3dSJianbo Liu return 0; 39431482bd3dSJianbo Liu } 39441482bd3dSJianbo Liu 3945d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3946d34eb2fcSOr Gerlitz struct net_device *out_dev) 3947d34eb2fcSOr Gerlitz { 3948d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3949d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3950d34eb2fcSOr Gerlitz 3951d34eb2fcSOr Gerlitz rcu_read_lock(); 3952d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3953d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3954d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3955d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3956d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3957d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3958d34eb2fcSOr Gerlitz if (fdb_out_dev && 3959d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3960d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3961d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3962d34eb2fcSOr Gerlitz } 3963d34eb2fcSOr Gerlitz rcu_read_unlock(); 3964d34eb2fcSOr Gerlitz return fdb_out_dev; 3965d34eb2fcSOr Gerlitz } 3966d34eb2fcSOr Gerlitz 3967278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3968c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3969278748a9SEli Britstein struct net_device **out_dev, 3970278748a9SEli Britstein u32 *action) 3971278748a9SEli Britstein { 3972278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3973278748a9SEli Britstein struct flow_action_entry vlan_act = { 3974278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3975278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3976278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3977278748a9SEli Britstein .vlan.prio = 0, 3978278748a9SEli Britstein }; 3979278748a9SEli Britstein int err; 3980278748a9SEli Britstein 3981c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 3982278748a9SEli Britstein if (err) 3983278748a9SEli Britstein return err; 3984278748a9SEli Britstein 3985278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3986278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3987278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3988278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3989278748a9SEli Britstein 3990278748a9SEli Britstein return err; 3991278748a9SEli Britstein } 3992278748a9SEli Britstein 399335a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3994c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 399535a605dbSEli Britstein u32 *action) 399635a605dbSEli Britstein { 399735a605dbSEli Britstein struct flow_action_entry vlan_act = { 399835a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 399935a605dbSEli Britstein }; 400070f478caSDmytro Linkin int nest_level, err = 0; 400135a605dbSEli Britstein 400270f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 400370f478caSDmytro Linkin priv->netdev->lower_level; 400435a605dbSEli Britstein while (nest_level--) { 4005c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 400635a605dbSEli Britstein if (err) 400735a605dbSEli Britstein return err; 400835a605dbSEli Britstein } 400935a605dbSEli Britstein 401035a605dbSEli Britstein return err; 401135a605dbSEli Britstein } 401235a605dbSEli Britstein 401332134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 401432134847SMaor Dickman struct net_device *peer_netdev) 401532134847SMaor Dickman { 401632134847SMaor Dickman struct mlx5e_priv *peer_priv; 401732134847SMaor Dickman 401832134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 401932134847SMaor Dickman 402032134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 402132134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 402232134847SMaor Dickman same_hw_devs(priv, peer_priv); 402332134847SMaor Dickman } 402432134847SMaor Dickman 402532134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 402632134847SMaor Dickman struct net_device *peer_netdev) 402732134847SMaor Dickman { 402832134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 402932134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 403032134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 403132134847SMaor Dickman } 403232134847SMaor Dickman 4033f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 4034f6dc1264SPaul Blakey struct net_device *out_dev) 4035f6dc1264SPaul Blakey { 403632134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 403732134847SMaor Dickman return true; 403832134847SMaor Dickman 403932134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 4040f6dc1264SPaul Blakey return true; 4041f6dc1264SPaul Blakey 4042f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 404332134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 4044f6dc1264SPaul Blakey } 4045f6dc1264SPaul Blakey 4046554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 4047554fe75cSDmytro Linkin struct net_device *out_dev, 4048554fe75cSDmytro Linkin int *ifindexes, int if_count, 4049554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 4050554fe75cSDmytro Linkin { 4051554fe75cSDmytro Linkin int i; 4052554fe75cSDmytro Linkin 4053554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 4054554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 4055554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 4056554fe75cSDmytro Linkin "can't duplicate output to same device"); 4057554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 4058554fe75cSDmytro Linkin out_dev->name); 4059554fe75cSDmytro Linkin return true; 4060554fe75cSDmytro Linkin } 4061554fe75cSDmytro Linkin } 4062554fe75cSDmytro Linkin 4063554fe75cSDmytro Linkin return false; 4064554fe75cSDmytro Linkin } 4065554fe75cSDmytro Linkin 4066613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 4067613f53feSEli Cohen struct mlx5e_tc_flow *flow, 4068613f53feSEli Cohen struct net_device *out_dev, 4069613f53feSEli Cohen struct netlink_ext_ack *extack) 4070613f53feSEli Cohen { 4071c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 4072613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4073613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 4074613f53feSEli Cohen 4075613f53feSEli Cohen /* Forwarding non encapsulated traffic between 4076613f53feSEli Cohen * uplink ports is allowed only if 4077613f53feSEli Cohen * termination_table_raw_traffic cap is set. 4078613f53feSEli Cohen * 4079c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 4080613f53feSEli Cohen * In LAG case, *priv* is the private data of 4081613f53feSEli Cohen * uplink which may be not the input vport. 4082613f53feSEli Cohen */ 4083613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 4084613f53feSEli Cohen 4085613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 4086613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 4087613f53feSEli Cohen return 0; 4088613f53feSEli Cohen 4089613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 4090613f53feSEli Cohen termination_table_raw_traffic)) { 4091613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4092613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 4093613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 4094613f53feSEli Cohen priv->netdev->name, out_dev->name); 4095613f53feSEli Cohen return -EOPNOTSUPP; 4096613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 4097613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4098613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 4099613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 4100613f53feSEli Cohen priv->netdev->name, out_dev->name); 4101613f53feSEli Cohen return -EOPNOTSUPP; 4102613f53feSEli Cohen } 4103613f53feSEli Cohen return 0; 4104613f53feSEli Cohen } 4105613f53feSEli Cohen 410673867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 410773867881SPablo Neira Ayuso struct flow_action *flow_action, 4108e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 410914e6b038SEli Cohen struct netlink_ext_ack *extack, 411014e6b038SEli Cohen struct net_device *filter_dev) 4111a54e20b4SHadar Hen Zion { 411273867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 4113bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4114c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 41151d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 411673867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 4117c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4118554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 411984179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 412073867881SPablo Neira Ayuso const struct flow_action_entry *act; 4121c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 41220a7fcb78SPaul Blakey bool encap = false, decap = false; 41230a7fcb78SPaul Blakey u32 action = attr->action; 4124554fe75cSDmytro Linkin int err, i, if_count = 0; 4125f828ca6aSEli Cohen bool mpls_push = false; 412603a9d11eSOr Gerlitz 412773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 412803a9d11eSOr Gerlitz return -EINVAL; 412903a9d11eSOr Gerlitz 413053eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 413153eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 4132319a1d19SJiri Pirko return -EOPNOTSUPP; 4133319a1d19SJiri Pirko 4134c620b772SAriel Levkovich esw_attr = attr->esw_attr; 4135c620b772SAriel Levkovich parse_attr = attr->parse_attr; 4136c620b772SAriel Levkovich 413773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 413873867881SPablo Neira Ayuso switch (act->id) { 413973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 41401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 414103a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 414273867881SPablo Neira Ayuso break; 4143f0288210SEli Cohen case FLOW_ACTION_TRAP: 4144f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4145f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4146f0288210SEli Cohen "action trap is supported as a sole action only"); 4147f0288210SEli Cohen return -EOPNOTSUPP; 4148f0288210SEli Cohen } 4149f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4150f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 4151f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 4152f0288210SEli Cohen break; 4153f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 4154f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 4155f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 4156f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 4157f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4158f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 4159f828ca6aSEli Cohen return -EOPNOTSUPP; 4160f828ca6aSEli Cohen } 4161f828ca6aSEli Cohen mpls_push = true; 4162f828ca6aSEli Cohen break; 416314e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 416414e6b038SEli Cohen /* we only support mpls pop if it is the first action 416514e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 416614e6b038SEli Cohen * actions can be pedit and the last can be mirred 416714e6b038SEli Cohen * egress redirect. 416814e6b038SEli Cohen */ 416914e6b038SEli Cohen if (i) { 417014e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 417114e6b038SEli Cohen "mpls pop supported only as first action"); 417214e6b038SEli Cohen return -EOPNOTSUPP; 417314e6b038SEli Cohen } 417414e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 417514e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 417614e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 417714e6b038SEli Cohen return -EOPNOTSUPP; 417814e6b038SEli Cohen } 417914e6b038SEli Cohen 418014e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 418114e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 418214e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 418314e6b038SEli Cohen break; 418473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 418573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 418673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 4187582234b4SEli Cohen parse_attr, hdrs, flow, extack); 4188d7e75a32SOr Gerlitz if (err) 4189d7e75a32SOr Gerlitz return err; 4190d7e75a32SOr Gerlitz 4191582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 41921cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 4193c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4194582234b4SEli Cohen } 419573867881SPablo Neira Ayuso break; 419673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 41971cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 419873867881SPablo Neira Ayuso act->csum_flags, extack)) 419973867881SPablo Neira Ayuso break; 420026c02749SOr Gerlitz 420126c02749SOr Gerlitz return -EOPNOTSUPP; 420273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 420373867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 420403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 4205592d3651SChris Mi struct net_device *out_dev; 420603a9d11eSOr Gerlitz 420773867881SPablo Neira Ayuso out_dev = act->dev; 4208ef381359SOz Shlomo if (!out_dev) { 4209ef381359SOz Shlomo /* out_dev is NULL when filters with 4210ef381359SOz Shlomo * non-existing mirred device are replayed to 4211ef381359SOz Shlomo * the driver. 4212ef381359SOz Shlomo */ 4213ef381359SOz Shlomo return -EINVAL; 4214ef381359SOz Shlomo } 421503a9d11eSOr Gerlitz 4216f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4217f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4218f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4219f828ca6aSEli Cohen return -EOPNOTSUPP; 4220f828ca6aSEli Cohen } 4221f828ca6aSEli Cohen 422284179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 422384179981SPaul Blakey /* Ignore forward to self rules generated 422484179981SPaul Blakey * by adding both mlx5 devs to the flow table 422584179981SPaul Blakey * block on a normal nft offload setup. 422684179981SPaul Blakey */ 422784179981SPaul Blakey return -EOPNOTSUPP; 422884179981SPaul Blakey } 422984179981SPaul Blakey 4230c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4231e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4232e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 42334ccd83f4SRoi Dayan netdev_warn(priv->netdev, 42344ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4235c620b772SAriel Levkovich esw_attr->out_count); 4236592d3651SChris Mi return -EOPNOTSUPP; 4237592d3651SChris Mi } 4238592d3651SChris Mi 4239f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4240f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4241b6a4ac24SVlad Buslov if (encap) { 4242c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 4243b6a4ac24SVlad Buslov out_dev->ifindex; 4244c620b772SAriel Levkovich parse_attr->tun_info[esw_attr->out_count] = dup_tun_info(info); 4245c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 4246b6a4ac24SVlad Buslov return -ENOMEM; 4247b6a4ac24SVlad Buslov encap = false; 4248c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 4249b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4250c620b772SAriel Levkovich esw_attr->out_count++; 4251b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4252b6a4ac24SVlad Buslov * handle encap 4253b6a4ac24SVlad Buslov */ 4254b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 42557ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 42567ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 42577ba58ba7SRabie Loulou 4258554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4259554fe75cSDmytro Linkin out_dev, 4260554fe75cSDmytro Linkin ifindexes, 4261554fe75cSDmytro Linkin if_count, 4262554fe75cSDmytro Linkin extack)) 4263554fe75cSDmytro Linkin return -EOPNOTSUPP; 4264554fe75cSDmytro Linkin 4265554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4266554fe75cSDmytro Linkin if_count++; 4267554fe75cSDmytro Linkin 4268d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4269d34eb2fcSOr Gerlitz if (!out_dev) 4270d34eb2fcSOr Gerlitz return -ENODEV; 42717ba58ba7SRabie Loulou 4272278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4273278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4274278748a9SEli Britstein &out_dev, 4275278748a9SEli Britstein &action); 4276278748a9SEli Britstein if (err) 4277278748a9SEli Britstein return err; 4278278748a9SEli Britstein } 4279f6dc1264SPaul Blakey 428035a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 428135a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 428235a605dbSEli Britstein &action); 428335a605dbSEli Britstein if (err) 428435a605dbSEli Britstein return err; 428535a605dbSEli Britstein } 4286278748a9SEli Britstein 4287613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4288613f53feSEli Cohen if (err) 4289613f53feSEli Cohen return err; 4290ffec9702STonghao Zhang 4291f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4292f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4293f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4294a0646c88SEli Britstein return -EOPNOTSUPP; 4295f6dc1264SPaul Blakey } 4296a0646c88SEli Britstein 429703a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 42981d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4299c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 4300c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 4301c620b772SAriel Levkovich esw_attr->out_count++; 4302ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4303ef381359SOz Shlomo /* All mlx5 devices are called to configure 4304ef381359SOz Shlomo * high level device filters. Therefore, the 4305ef381359SOz Shlomo * *attempt* to install a filter on invalid 4306ef381359SOz Shlomo * eswitch should not trigger an explicit error 4307ef381359SOz Shlomo */ 4308ef381359SOz Shlomo return -EINVAL; 4309a54e20b4SHadar Hen Zion } else { 4310e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4311e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 43124ccd83f4SRoi Dayan netdev_warn(priv->netdev, 43134ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 43144ccd83f4SRoi Dayan priv->netdev->name, 43154ccd83f4SRoi Dayan out_dev->name); 4316a54e20b4SHadar Hen Zion return -EINVAL; 4317a54e20b4SHadar Hen Zion } 4318a54e20b4SHadar Hen Zion } 431973867881SPablo Neira Ayuso break; 432073867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 432173867881SPablo Neira Ayuso info = act->tunnel; 4322a54e20b4SHadar Hen Zion if (info) 4323a54e20b4SHadar Hen Zion encap = true; 4324a54e20b4SHadar Hen Zion else 4325a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 432603a9d11eSOr Gerlitz 432773867881SPablo Neira Ayuso break; 432873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 432973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 433076b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 433176b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 433276b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 433376b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 433476b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 433576b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 433676b496b1SEli Britstein act, parse_attr, hdrs, 433776b496b1SEli Britstein &action, extack); 433876b496b1SEli Britstein } else { 4339c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 434076b496b1SEli Britstein } 43411482bd3dSJianbo Liu if (err) 43421482bd3dSJianbo Liu return err; 43431482bd3dSJianbo Liu 4344c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 434573867881SPablo Neira Ayuso break; 4346bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4347bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4348bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4349bdc837eeSEli Britstein act, parse_attr, hdrs, 4350bdc837eeSEli Britstein &action, extack); 4351bdc837eeSEli Britstein if (err) 4352bdc837eeSEli Britstein return err; 4353bdc837eeSEli Britstein 4354c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4355bdc837eeSEli Britstein break; 435673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 43570a7fcb78SPaul Blakey decap = true; 435873867881SPablo Neira Ayuso break; 43592fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 4360c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 43612fbbc30dSEli Cohen extack); 43622fbbc30dSEli Cohen if (err) 43632fbbc30dSEli Cohen return err; 4364bf07aa73SPaul Blakey 4365e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 43662fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 436773867881SPablo Neira Ayuso break; 43684c3844d9SPaul Blakey case FLOW_ACTION_CT: 4369aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 43704c3844d9SPaul Blakey if (err) 43714c3844d9SPaul Blakey return err; 43724c3844d9SPaul Blakey 43734c3844d9SPaul Blakey flow_flag_set(flow, CT); 43744c3844d9SPaul Blakey break; 437573867881SPablo Neira Ayuso default: 43762cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 43772cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 437803a9d11eSOr Gerlitz } 437973867881SPablo Neira Ayuso } 4380bdd66ac0SOr Gerlitz 43810bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 43820bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 43830bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 43840bac1194SEli Britstein * tag rewrite. 43850bac1194SEli Britstein */ 43860bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 43870bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 43880bac1194SEli Britstein &action, extack); 43890bac1194SEli Britstein if (err) 43900bac1194SEli Britstein return err; 43910bac1194SEli Britstein } 43920bac1194SEli Britstein 4393c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4394c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 439584be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 439627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4397c500c86bSPablo Neira Ayuso if (err) 4398c500c86bSPablo Neira Ayuso return err; 439927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 440027c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 440127c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 440227c11b6bSEli Britstein */ 44036ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 440427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 44056ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 440627c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 440727c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 4408c620b772SAriel Levkovich esw_attr->split_count = 0; 440927c11b6bSEli Britstein } 4410c500c86bSPablo Neira Ayuso } 4411c500c86bSPablo Neira Ayuso 44121cab1cd7SOr Gerlitz attr->action = action; 441373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4414bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4415bdd66ac0SOr Gerlitz 4416e88afe75SOr Gerlitz if (attr->dest_chain) { 44170a7fcb78SPaul Blakey if (decap) { 44180a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 44190a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 44200a7fcb78SPaul Blakey * this tunnel id with this decap flow. 44210a7fcb78SPaul Blakey * 44220a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 44230a7fcb78SPaul Blakey * device. 44240a7fcb78SPaul Blakey */ 44250a7fcb78SPaul Blakey 44260a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 44270a7fcb78SPaul Blakey "Decap with goto isn't supported"); 44280a7fcb78SPaul Blakey netdev_warn(priv->netdev, 44290a7fcb78SPaul Blakey "Decap with goto isn't supported"); 44300a7fcb78SPaul Blakey return -EOPNOTSUPP; 44310a7fcb78SPaul Blakey } 44320a7fcb78SPaul Blakey 4433e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 443461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 443561644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4436e88afe75SOr Gerlitz return -EOPNOTSUPP; 4437e88afe75SOr Gerlitz } 4438e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4439e88afe75SOr Gerlitz } 4440e88afe75SOr Gerlitz 4441ae2741e2SVlad Buslov if (!(attr->action & 4442ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 444361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 444461644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4445ae2741e2SVlad Buslov return -EOPNOTSUPP; 4446ae2741e2SVlad Buslov } 4447ae2741e2SVlad Buslov 4448c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4449e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4450e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4451592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4452592d3651SChris Mi return -EOPNOTSUPP; 4453592d3651SChris Mi } 4454592d3651SChris Mi 445531c8eba5SOr Gerlitz return 0; 445603a9d11eSOr Gerlitz } 445703a9d11eSOr Gerlitz 4458226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 445960bd4af8SOr Gerlitz { 4460226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 446160bd4af8SOr Gerlitz 4462226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4463226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4464226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4465226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 446660bd4af8SOr Gerlitz 4467226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4468226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4469226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4470226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 447184179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 447284179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4473d9ee0491SOr Gerlitz 447460bd4af8SOr Gerlitz *flow_flags = __flow_flags; 447560bd4af8SOr Gerlitz } 447660bd4af8SOr Gerlitz 447705866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 447805866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 447905866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 448005866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 448105866c82SOr Gerlitz .automatic_shrinking = true, 448205866c82SOr Gerlitz }; 448305866c82SOr Gerlitz 4484226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4485226f2ca3SVlad Buslov unsigned long flags) 448605866c82SOr Gerlitz { 4487655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4488655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4489655dc3d2SOr Gerlitz 4490226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4491655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4492ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4493d9ee0491SOr Gerlitz } else /* NIC offload */ 449405866c82SOr Gerlitz return &priv->fs.tc.ht; 449505866c82SOr Gerlitz } 449605866c82SOr Gerlitz 449704de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 449804de7ddaSRoi Dayan { 4499c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4500c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4501c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4502226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 45031418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 45041418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4505c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 45061418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 45071418ddd9SAviv Heller 450810fbb1cdSRoi Dayan if (!esw_paired) 450910fbb1cdSRoi Dayan return false; 451010fbb1cdSRoi Dayan 4511c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4512c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 451310fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 451410fbb1cdSRoi Dayan return true; 451510fbb1cdSRoi Dayan 451610fbb1cdSRoi Dayan return false; 451704de7ddaSRoi Dayan } 451804de7ddaSRoi Dayan 4519c620b772SAriel Levkovich struct mlx5_flow_attr * 4520c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4521c620b772SAriel Levkovich { 4522c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4523c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4524c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4525c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4526c620b772SAriel Levkovich 4527c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4528c620b772SAriel Levkovich } 4529c620b772SAriel Levkovich 4530a88780a9SRoi Dayan static int 4531a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4532226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4533a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4534a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4535e3a2b7edSAmir Vadai { 453617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4537c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 45383bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 45395a7e5bcbSVlad Buslov int out_index, err; 4540776b12b6SOr Gerlitz 4541c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 45421b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4543c620b772SAriel Levkovich 4544c620b772SAriel Levkovich flow->flags = flow_flags; 4545c620b772SAriel Levkovich flow->cookie = f->cookie; 4546c620b772SAriel Levkovich flow->priv = priv; 4547c620b772SAriel Levkovich 4548c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4549c620b772SAriel Levkovich if (!parse_attr || !flow || !attr) { 4550e3a2b7edSAmir Vadai err = -ENOMEM; 4551e3a2b7edSAmir Vadai goto err_free; 4552e3a2b7edSAmir Vadai } 4553c620b772SAriel Levkovich flow->attr = attr; 4554e3a2b7edSAmir Vadai 45555a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 45565a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 45575a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 455814e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 45595a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 456095435ad7SVlad Buslov init_completion(&flow->init_done); 4561e3a2b7edSAmir Vadai 4562a88780a9SRoi Dayan *__flow = flow; 4563a88780a9SRoi Dayan *__parse_attr = parse_attr; 4564a88780a9SRoi Dayan 4565a88780a9SRoi Dayan return 0; 4566a88780a9SRoi Dayan 4567a88780a9SRoi Dayan err_free: 4568a88780a9SRoi Dayan kfree(flow); 4569a88780a9SRoi Dayan kvfree(parse_attr); 4570c620b772SAriel Levkovich kfree(attr); 4571a88780a9SRoi Dayan return err; 4572adb4c123SOr Gerlitz } 4573adb4c123SOr Gerlitz 4574988ab9c7STonghao Zhang static void 4575c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4576c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4577c7569097SAriel Levkovich struct flow_cls_offload *f) 4578c7569097SAriel Levkovich { 4579c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4580c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4581c7569097SAriel Levkovich attr->prio = f->common.prio; 4582c7569097SAriel Levkovich } 4583c7569097SAriel Levkovich 4584c7569097SAriel Levkovich static void 4585c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4586988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4587988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4588f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4589988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4590988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4591988ab9c7STonghao Zhang { 4592988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4593c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4594988ab9c7STonghao Zhang 4595c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4596988ab9c7STonghao Zhang 4597988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4598988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4599988ab9c7STonghao Zhang 4600988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4601988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4602988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4603988ab9c7STonghao Zhang else 4604988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4605988ab9c7STonghao Zhang } 4606988ab9c7STonghao Zhang 460771129676SJason Gunthorpe static struct mlx5e_tc_flow * 460804de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4609f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4610226f2ca3SVlad Buslov unsigned long flow_flags, 4611d11afc26SOz Shlomo struct net_device *filter_dev, 461204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 461371129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4614a88780a9SRoi Dayan { 4615f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4616a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4617a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4618a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4619a88780a9SRoi Dayan int attr_size, err; 4620a88780a9SRoi Dayan 4621226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4622a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4623a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4624a88780a9SRoi Dayan &parse_attr, &flow); 4625a88780a9SRoi Dayan if (err) 4626a88780a9SRoi Dayan goto out; 4627988ab9c7STonghao Zhang 4628d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4629c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4630988ab9c7STonghao Zhang priv, parse_attr, 4631988ab9c7STonghao Zhang f, in_rep, in_mdev); 4632988ab9c7STonghao Zhang 463354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 463454c177caSOz Shlomo f, filter_dev); 4635d11afc26SOz Shlomo if (err) 4636d11afc26SOz Shlomo goto err_free; 4637a88780a9SRoi Dayan 46387e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4639aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4640c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4641a88780a9SRoi Dayan if (err) 4642a88780a9SRoi Dayan goto err_free; 4643a88780a9SRoi Dayan 46447e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 46454c3844d9SPaul Blakey if (err) 46464c3844d9SPaul Blakey goto err_free; 46474c3844d9SPaul Blakey 46487040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 464995435ad7SVlad Buslov complete_all(&flow->init_done); 4650ef06c9eeSRoi Dayan if (err) { 4651ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4652aa0cbbaeSOr Gerlitz goto err_free; 46535c40348cSOr Gerlitz 4654b4a23329SRoi Dayan add_unready_flow(flow); 4655ef06c9eeSRoi Dayan } 4656ef06c9eeSRoi Dayan 465771129676SJason Gunthorpe return flow; 4658e3a2b7edSAmir Vadai 4659e3a2b7edSAmir Vadai err_free: 46605a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4661a88780a9SRoi Dayan out: 466271129676SJason Gunthorpe return ERR_PTR(err); 4663a88780a9SRoi Dayan } 4664a88780a9SRoi Dayan 4665f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 466695dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4667226f2ca3SVlad Buslov unsigned long flow_flags) 466804de7ddaSRoi Dayan { 466904de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 467004de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4671c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 467204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 467304de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 467404de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 467504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 467604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 467704de7ddaSRoi Dayan int err = 0; 467804de7ddaSRoi Dayan 467904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 468004de7ddaSRoi Dayan if (!peer_esw) 468104de7ddaSRoi Dayan return -ENODEV; 468204de7ddaSRoi Dayan 468304de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 468404de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 468504de7ddaSRoi Dayan 468604de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 468704de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 468804de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 468904de7ddaSRoi Dayan * peer mdev. 469004de7ddaSRoi Dayan */ 4691c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 469204de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 469304de7ddaSRoi Dayan else 469404de7ddaSRoi Dayan in_mdev = priv->mdev; 469504de7ddaSRoi Dayan 4696c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 469795dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 469804de7ddaSRoi Dayan parse_attr->filter_dev, 4699c620b772SAriel Levkovich attr->in_rep, in_mdev); 470071129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 470171129676SJason Gunthorpe err = PTR_ERR(peer_flow); 470204de7ddaSRoi Dayan goto out; 470371129676SJason Gunthorpe } 470404de7ddaSRoi Dayan 470504de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4706226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 470704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 470804de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 470904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 471004de7ddaSRoi Dayan 471104de7ddaSRoi Dayan out: 471204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 471304de7ddaSRoi Dayan return err; 471404de7ddaSRoi Dayan } 471504de7ddaSRoi Dayan 471604de7ddaSRoi Dayan static int 471704de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4718f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4719226f2ca3SVlad Buslov unsigned long flow_flags, 472004de7ddaSRoi Dayan struct net_device *filter_dev, 472104de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 472204de7ddaSRoi Dayan { 472304de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 472404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 472504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 472604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 472704de7ddaSRoi Dayan int err; 472804de7ddaSRoi Dayan 472971129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 473071129676SJason Gunthorpe in_mdev); 473171129676SJason Gunthorpe if (IS_ERR(flow)) 473271129676SJason Gunthorpe return PTR_ERR(flow); 473304de7ddaSRoi Dayan 473404de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 473595dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 473604de7ddaSRoi Dayan if (err) { 473704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 473804de7ddaSRoi Dayan goto out; 473904de7ddaSRoi Dayan } 474004de7ddaSRoi Dayan } 474104de7ddaSRoi Dayan 474204de7ddaSRoi Dayan *__flow = flow; 474304de7ddaSRoi Dayan 474404de7ddaSRoi Dayan return 0; 474504de7ddaSRoi Dayan 474604de7ddaSRoi Dayan out: 474704de7ddaSRoi Dayan return err; 474804de7ddaSRoi Dayan } 474904de7ddaSRoi Dayan 4750a88780a9SRoi Dayan static int 4751a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4752f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4753226f2ca3SVlad Buslov unsigned long flow_flags, 4754d11afc26SOz Shlomo struct net_device *filter_dev, 4755a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4756a88780a9SRoi Dayan { 4757f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4758a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4759a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4760a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4761a88780a9SRoi Dayan int attr_size, err; 4762a88780a9SRoi Dayan 4763c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4764bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4765bf07aa73SPaul Blakey return -EOPNOTSUPP; 4766c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4767c7569097SAriel Levkovich return -EOPNOTSUPP; 4768c7569097SAriel Levkovich } 4769bf07aa73SPaul Blakey 4770226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4771a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4772a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4773a88780a9SRoi Dayan &parse_attr, &flow); 4774a88780a9SRoi Dayan if (err) 4775a88780a9SRoi Dayan goto out; 4776a88780a9SRoi Dayan 4777d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4778c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4779c7569097SAriel Levkovich 478054c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 478154c177caSOz Shlomo f, filter_dev); 4782d11afc26SOz Shlomo if (err) 4783d11afc26SOz Shlomo goto err_free; 4784d11afc26SOz Shlomo 4785aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4786aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4787aedd133dSAriel Levkovich if (err) 4788aedd133dSAriel Levkovich goto err_free; 4789aedd133dSAriel Levkovich 479073867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4791a88780a9SRoi Dayan if (err) 4792a88780a9SRoi Dayan goto err_free; 4793a88780a9SRoi Dayan 4794a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4795a88780a9SRoi Dayan if (err) 4796a88780a9SRoi Dayan goto err_free; 4797a88780a9SRoi Dayan 4798226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4799a88780a9SRoi Dayan *__flow = flow; 4800a88780a9SRoi Dayan 4801a88780a9SRoi Dayan return 0; 4802a88780a9SRoi Dayan 4803a88780a9SRoi Dayan err_free: 48045a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4805a88780a9SRoi Dayan out: 4806a88780a9SRoi Dayan return err; 4807a88780a9SRoi Dayan } 4808a88780a9SRoi Dayan 4809a88780a9SRoi Dayan static int 4810a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4811f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4812226f2ca3SVlad Buslov unsigned long flags, 4813d11afc26SOz Shlomo struct net_device *filter_dev, 4814a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4815a88780a9SRoi Dayan { 4816a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4817226f2ca3SVlad Buslov unsigned long flow_flags; 4818a88780a9SRoi Dayan int err; 4819a88780a9SRoi Dayan 4820a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4821a88780a9SRoi Dayan 4822bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4823bf07aa73SPaul Blakey return -EOPNOTSUPP; 4824bf07aa73SPaul Blakey 4825f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4826d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4827d11afc26SOz Shlomo filter_dev, flow); 4828a88780a9SRoi Dayan else 4829d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4830d11afc26SOz Shlomo filter_dev, flow); 4831a88780a9SRoi Dayan 4832a88780a9SRoi Dayan return err; 4833a88780a9SRoi Dayan } 4834a88780a9SRoi Dayan 4835553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4836553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4837553f9328SVu Pham { 4838553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 48392fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 48402fb15e72SVlad Buslov * function is called from NIC mode. 4841553f9328SVu Pham */ 48422fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4843553f9328SVu Pham } 4844553f9328SVu Pham 484571d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4846226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4847a88780a9SRoi Dayan { 4848a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4849d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4850553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4851a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4852a88780a9SRoi Dayan int err = 0; 4853a88780a9SRoi Dayan 4854c5d326b2SVlad Buslov rcu_read_lock(); 4855c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4856a88780a9SRoi Dayan if (flow) { 4857553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4858553f9328SVu Pham * just return 0. 4859553f9328SVu Pham */ 4860553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4861c1aea9e1SVlad Buslov goto rcu_unlock; 4862553f9328SVu Pham 4863a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4864a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4865a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4866a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4867a88780a9SRoi Dayan f->cookie); 48680e1c1a2fSVlad Buslov err = -EEXIST; 4869c1aea9e1SVlad Buslov goto rcu_unlock; 4870a88780a9SRoi Dayan } 4871c1aea9e1SVlad Buslov rcu_unlock: 4872c1aea9e1SVlad Buslov rcu_read_unlock(); 4873c1aea9e1SVlad Buslov if (flow) 4874c1aea9e1SVlad Buslov goto out; 4875a88780a9SRoi Dayan 48767a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4877d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4878a88780a9SRoi Dayan if (err) 4879a88780a9SRoi Dayan goto out; 4880a88780a9SRoi Dayan 4881553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4882553f9328SVu Pham * set the flow's owner dev. 4883553f9328SVu Pham */ 4884553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4885553f9328SVu Pham flow->orig_dev = dev; 4886553f9328SVu Pham 4887c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4888a88780a9SRoi Dayan if (err) 4889a88780a9SRoi Dayan goto err_free; 4890a88780a9SRoi Dayan 4891a88780a9SRoi Dayan return 0; 4892a88780a9SRoi Dayan 4893a88780a9SRoi Dayan err_free: 48945a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4895a88780a9SRoi Dayan out: 4896e3a2b7edSAmir Vadai return err; 4897e3a2b7edSAmir Vadai } 4898e3a2b7edSAmir Vadai 48998f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 49008f8ae895SOr Gerlitz { 4901226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4902226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 49038f8ae895SOr Gerlitz 4904226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4905226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 49068f8ae895SOr Gerlitz } 49078f8ae895SOr Gerlitz 490871d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4909226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4910e3a2b7edSAmir Vadai { 4911d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4912e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4913c5d326b2SVlad Buslov int err; 4914e3a2b7edSAmir Vadai 4915c5d326b2SVlad Buslov rcu_read_lock(); 4916ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4917c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4918c5d326b2SVlad Buslov err = -EINVAL; 4919c5d326b2SVlad Buslov goto errout; 4920c5d326b2SVlad Buslov } 4921e3a2b7edSAmir Vadai 4922c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4923c5d326b2SVlad Buslov * set. 4924c5d326b2SVlad Buslov */ 4925c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4926c5d326b2SVlad Buslov err = -EINVAL; 4927c5d326b2SVlad Buslov goto errout; 4928c5d326b2SVlad Buslov } 492905866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4930c5d326b2SVlad Buslov rcu_read_unlock(); 4931e3a2b7edSAmir Vadai 49327a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 49335a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4934e3a2b7edSAmir Vadai 4935e3a2b7edSAmir Vadai return 0; 4936c5d326b2SVlad Buslov 4937c5d326b2SVlad Buslov errout: 4938c5d326b2SVlad Buslov rcu_read_unlock(); 4939c5d326b2SVlad Buslov return err; 4940e3a2b7edSAmir Vadai } 4941e3a2b7edSAmir Vadai 494271d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4943226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4944aad7e08dSAmir Vadai { 494504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4946d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 494704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4948aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4949aad7e08dSAmir Vadai struct mlx5_fc *counter; 4950316d5f72SRoi Dayan u64 lastuse = 0; 4951316d5f72SRoi Dayan u64 packets = 0; 4952316d5f72SRoi Dayan u64 bytes = 0; 49535a7e5bcbSVlad Buslov int err = 0; 4954aad7e08dSAmir Vadai 4955c5d326b2SVlad Buslov rcu_read_lock(); 4956c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 49575a7e5bcbSVlad Buslov tc_ht_params)); 4958c5d326b2SVlad Buslov rcu_read_unlock(); 49595a7e5bcbSVlad Buslov if (IS_ERR(flow)) 49605a7e5bcbSVlad Buslov return PTR_ERR(flow); 49615a7e5bcbSVlad Buslov 49625a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 49635a7e5bcbSVlad Buslov err = -EINVAL; 49645a7e5bcbSVlad Buslov goto errout; 49655a7e5bcbSVlad Buslov } 4966aad7e08dSAmir Vadai 49674c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4968b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4969aad7e08dSAmir Vadai if (!counter) 49705a7e5bcbSVlad Buslov goto errout; 4971aad7e08dSAmir Vadai 4972aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4973316d5f72SRoi Dayan } 4974aad7e08dSAmir Vadai 4975316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4976316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4977316d5f72SRoi Dayan */ 497804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 497904de7ddaSRoi Dayan if (!peer_esw) 498004de7ddaSRoi Dayan goto out; 498104de7ddaSRoi Dayan 4982226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4983226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 498404de7ddaSRoi Dayan u64 bytes2; 498504de7ddaSRoi Dayan u64 packets2; 498604de7ddaSRoi Dayan u64 lastuse2; 498704de7ddaSRoi Dayan 498804de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4989316d5f72SRoi Dayan if (!counter) 4990316d5f72SRoi Dayan goto no_peer_counter; 499104de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 499204de7ddaSRoi Dayan 499304de7ddaSRoi Dayan bytes += bytes2; 499404de7ddaSRoi Dayan packets += packets2; 499504de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 499604de7ddaSRoi Dayan } 499704de7ddaSRoi Dayan 4998316d5f72SRoi Dayan no_peer_counter: 499904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 500004de7ddaSRoi Dayan out: 50014b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 500293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 50037a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 50045a7e5bcbSVlad Buslov errout: 50055a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 50065a7e5bcbSVlad Buslov return err; 5007aad7e08dSAmir Vadai } 5008aad7e08dSAmir Vadai 5009fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 5010fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5011fcb64c0fSEli Cohen { 5012fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5013fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 5014fcb64c0fSEli Cohen u16 vport_num; 5015fcb64c0fSEli Cohen u32 rate_mbps; 5016fcb64c0fSEli Cohen int err; 5017fcb64c0fSEli Cohen 5018e401a184SEli Cohen vport_num = rpriv->rep->vport; 5019e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 5020e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 5021e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 5022e401a184SEli Cohen return -EOPNOTSUPP; 5023e401a184SEli Cohen } 5024e401a184SEli Cohen 5025fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 5026fcb64c0fSEli Cohen /* rate is given in bytes/sec. 5027fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 5028fcb64c0fSEli Cohen * mbit means million bits. 5029fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 5030fcb64c0fSEli Cohen * 1 mbit/sec. 5031fcb64c0fSEli Cohen */ 5032fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 5033fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 5034fcb64c0fSEli Cohen if (err) 5035fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 5036fcb64c0fSEli Cohen 5037fcb64c0fSEli Cohen return err; 5038fcb64c0fSEli Cohen } 5039fcb64c0fSEli Cohen 5040fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 5041fcb64c0fSEli Cohen struct flow_action *flow_action, 5042fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 5043fcb64c0fSEli Cohen { 5044fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5045fcb64c0fSEli Cohen const struct flow_action_entry *act; 5046fcb64c0fSEli Cohen int err; 5047fcb64c0fSEli Cohen int i; 5048fcb64c0fSEli Cohen 5049fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 5050fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 5051fcb64c0fSEli Cohen return -EINVAL; 5052fcb64c0fSEli Cohen } 5053fcb64c0fSEli Cohen 5054fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 5055fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 5056fcb64c0fSEli Cohen return -EOPNOTSUPP; 5057fcb64c0fSEli Cohen } 5058fcb64c0fSEli Cohen 505953eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 5060319a1d19SJiri Pirko return -EOPNOTSUPP; 5061319a1d19SJiri Pirko 5062fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 5063fcb64c0fSEli Cohen switch (act->id) { 5064fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 5065fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 5066fcb64c0fSEli Cohen if (err) 5067fcb64c0fSEli Cohen return err; 5068fcb64c0fSEli Cohen 5069fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 5070fcb64c0fSEli Cohen break; 5071fcb64c0fSEli Cohen default: 5072fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 5073fcb64c0fSEli Cohen return -EOPNOTSUPP; 5074fcb64c0fSEli Cohen } 5075fcb64c0fSEli Cohen } 5076fcb64c0fSEli Cohen 5077fcb64c0fSEli Cohen return 0; 5078fcb64c0fSEli Cohen } 5079fcb64c0fSEli Cohen 5080fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 5081fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5082fcb64c0fSEli Cohen { 5083b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 5084fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5085fcb64c0fSEli Cohen 5086b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 5087b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 5088b5f814ccSEli Cohen return -EOPNOTSUPP; 5089b5f814ccSEli Cohen } 5090b5f814ccSEli Cohen 50917b83355fSEli Cohen if (ma->common.prio != 1) { 5092fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 5093fcb64c0fSEli Cohen return -EINVAL; 5094fcb64c0fSEli Cohen } 5095fcb64c0fSEli Cohen 5096fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 5097fcb64c0fSEli Cohen } 5098fcb64c0fSEli Cohen 5099fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 5100fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5101fcb64c0fSEli Cohen { 5102fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 5103fcb64c0fSEli Cohen 5104fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 5105fcb64c0fSEli Cohen } 5106fcb64c0fSEli Cohen 5107fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 5108fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 5109fcb64c0fSEli Cohen { 5110fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 5111fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 5112fcb64c0fSEli Cohen u64 dbytes; 5113fcb64c0fSEli Cohen u64 dpkts; 5114fcb64c0fSEli Cohen 5115fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 5116fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 5117fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 5118fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 51194b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 512093a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 5121fcb64c0fSEli Cohen } 5122fcb64c0fSEli Cohen 51234d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 51244d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 51254d8fcf21SAlaa Hleihel { 51264d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 5127db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 5128db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 51294d8fcf21SAlaa Hleihel u16 peer_vhca_id; 51304d8fcf21SAlaa Hleihel int bkt; 51314d8fcf21SAlaa Hleihel 51324d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 51334d8fcf21SAlaa Hleihel return; 51344d8fcf21SAlaa Hleihel 51354d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 51364d8fcf21SAlaa Hleihel 5137b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 5138db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 5139db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5140db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5141b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 5142db76ca24SVlad Buslov 5143db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5144db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5145db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5146db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 5147db76ca24SVlad Buslov 5148db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5149db76ca24SVlad Buslov } 51504d8fcf21SAlaa Hleihel } 51514d8fcf21SAlaa Hleihel 51524d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 51534d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 51544d8fcf21SAlaa Hleihel { 51554d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 51564d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 51574d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 51584d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 51594d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 51604d8fcf21SAlaa Hleihel 51614d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 51624d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 51634d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 51644d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51654d8fcf21SAlaa Hleihel 51664d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 51674d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 51684d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 51694d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 51704d8fcf21SAlaa Hleihel if (priv == peer_priv || 51714d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 51724d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51734d8fcf21SAlaa Hleihel 51744d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 51754d8fcf21SAlaa Hleihel 51764d8fcf21SAlaa Hleihel return NOTIFY_DONE; 51774d8fcf21SAlaa Hleihel } 51784d8fcf21SAlaa Hleihel 51796a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 51806a064674SAriel Levkovich { 51816a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 51826a064674SAriel Levkovich u32 max_flow_counter; 51836a064674SAriel Levkovich 51846a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 51856a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 51866a064674SAriel Levkovich 51876a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 51886a064674SAriel Levkovich 51896a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 51906a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 51916a064674SAriel Levkovich 51926a064674SAriel Levkovich return tc_tbl_size; 51936a064674SAriel Levkovich } 51946a064674SAriel Levkovich 5195655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5196e8f887acSAmir Vadai { 5197acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 51986a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 51996a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 52004d8fcf21SAlaa Hleihel int err; 5201e8f887acSAmir Vadai 5202b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5203b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5204b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 52055c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 520611c9c548SOr Gerlitz 52074d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 52084d8fcf21SAlaa Hleihel if (err) 52094d8fcf21SAlaa Hleihel return err; 52104d8fcf21SAlaa Hleihel 5211c7569097SAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 5212c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5213c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 5214c7569097SAriel Levkovich attr.max_restore_tag = MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5215c7569097SAriel Levkovich } 52166a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 52176a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 52186a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 52196a064674SAriel Levkovich attr.default_ft = priv->fs.vlan.ft.t; 52206a064674SAriel Levkovich 52216a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 52226a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 52236a064674SAriel Levkovich err = PTR_ERR(tc->chains); 52246a064674SAriel Levkovich goto err_chains; 52256a064674SAriel Levkovich } 52266a064674SAriel Levkovich 5227aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 5228aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_KERNEL); 5229aedd133dSAriel Levkovich if (IS_ERR(tc->ct)) 5230aedd133dSAriel Levkovich goto err_ct; 5231aedd133dSAriel Levkovich 52324d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5233d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5234d48834f9SJiri Pirko &tc->netdevice_nb, 5235d48834f9SJiri Pirko &tc->netdevice_nn); 5236d48834f9SJiri Pirko if (err) { 52374d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 52384d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 52396a064674SAriel Levkovich goto err_reg; 52404d8fcf21SAlaa Hleihel } 52414d8fcf21SAlaa Hleihel 52426a064674SAriel Levkovich return 0; 52436a064674SAriel Levkovich 52446a064674SAriel Levkovich err_reg: 5245aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5246aedd133dSAriel Levkovich err_ct: 52476a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 52486a064674SAriel Levkovich err_chains: 52496a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 52504d8fcf21SAlaa Hleihel return err; 5251e8f887acSAmir Vadai } 5252e8f887acSAmir Vadai 5253e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5254e8f887acSAmir Vadai { 5255e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5256655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5257e8f887acSAmir Vadai 5258961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5259e8f887acSAmir Vadai kfree(flow); 5260e8f887acSAmir Vadai } 5261e8f887acSAmir Vadai 5262655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5263e8f887acSAmir Vadai { 5264acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5265e8f887acSAmir Vadai 52664d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5267d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5268d48834f9SJiri Pirko &tc->netdevice_nb, 5269d48834f9SJiri Pirko &tc->netdevice_nn); 52704d8fcf21SAlaa Hleihel 5271b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5272b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5273b32accdaSVlad Buslov 52746a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5275e8f887acSAmir Vadai 5276acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 52776a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5278acff797cSMaor Gottlieb tc->t = NULL; 5279e8f887acSAmir Vadai } 5280b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 52816a064674SAriel Levkovich 5282aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 52836a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 5284e8f887acSAmir Vadai } 5285655dc3d2SOr Gerlitz 5286655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5287655dc3d2SOr Gerlitz { 5288d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 52890a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 5290aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 52910a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5292aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5293aedd133dSAriel Levkovich struct mlx5e_priv *priv; 5294aedd133dSAriel Levkovich int err = 0; 52950a7fcb78SPaul Blakey 52960a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5297aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5298aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5299aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 53000a7fcb78SPaul Blakey 5301aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5302aedd133dSAriel Levkovich esw_chains(esw), 5303aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5304aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_FDB); 5305aedd133dSAriel Levkovich if (IS_ERR(uplink_priv->ct_priv)) 53064c3844d9SPaul Blakey goto err_ct; 53074c3844d9SPaul Blakey 53080a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 53090a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 53100a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 53110a7fcb78SPaul Blakey err = PTR_ERR(mapping); 53120a7fcb78SPaul Blakey goto err_tun_mapping; 53130a7fcb78SPaul Blakey } 53140a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 53150a7fcb78SPaul Blakey 53160a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 53170a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 53180a7fcb78SPaul Blakey err = PTR_ERR(mapping); 53190a7fcb78SPaul Blakey goto err_enc_opts_mapping; 53200a7fcb78SPaul Blakey } 53210a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 53220a7fcb78SPaul Blakey 53230a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 53240a7fcb78SPaul Blakey if (err) 53250a7fcb78SPaul Blakey goto err_ht_init; 53260a7fcb78SPaul Blakey 53270a7fcb78SPaul Blakey return err; 53280a7fcb78SPaul Blakey 53290a7fcb78SPaul Blakey err_ht_init: 53300a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53310a7fcb78SPaul Blakey err_enc_opts_mapping: 53320a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53330a7fcb78SPaul Blakey err_tun_mapping: 5334aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 53354c3844d9SPaul Blakey err_ct: 53360a7fcb78SPaul Blakey netdev_warn(priv->netdev, 53370a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 53380a7fcb78SPaul Blakey return err; 5339655dc3d2SOr Gerlitz } 5340655dc3d2SOr Gerlitz 5341655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5342655dc3d2SOr Gerlitz { 53430a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 53440a7fcb78SPaul Blakey 5345655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 53460a7fcb78SPaul Blakey 53470a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5348aedd133dSAriel Levkovich 53490a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 53500a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 53514c3844d9SPaul Blakey 5352aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5353655dc3d2SOr Gerlitz } 535401252a27SOr Gerlitz 5355226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 535601252a27SOr Gerlitz { 5357d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 535801252a27SOr Gerlitz 535901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 536001252a27SOr Gerlitz } 536104de7ddaSRoi Dayan 536204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 536304de7ddaSRoi Dayan { 536404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 536504de7ddaSRoi Dayan 536604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 536704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 536804de7ddaSRoi Dayan } 5369b4a23329SRoi Dayan 5370b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5371b4a23329SRoi Dayan { 5372b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5373b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5374b4a23329SRoi Dayan reoffload_flows_work); 5375b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5376b4a23329SRoi Dayan 5377ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5378b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5379b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5380ad86755bSVlad Buslov unready_flow_del(flow); 5381b4a23329SRoi Dayan } 5382ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5383b4a23329SRoi Dayan } 5384e2394a61SVlad Buslov 5385e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5386e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5387e2394a61SVlad Buslov unsigned long flags) 5388e2394a61SVlad Buslov { 5389e2394a61SVlad Buslov switch (cls_flower->command) { 5390e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5391e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5392e2394a61SVlad Buslov flags); 5393e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5394e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5395e2394a61SVlad Buslov flags); 5396e2394a61SVlad Buslov case FLOW_CLS_STATS: 5397e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5398e2394a61SVlad Buslov flags); 5399e2394a61SVlad Buslov default: 5400e2394a61SVlad Buslov return -EOPNOTSUPP; 5401e2394a61SVlad Buslov } 5402e2394a61SVlad Buslov } 5403e2394a61SVlad Buslov 5404e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5405e2394a61SVlad Buslov void *cb_priv) 5406e2394a61SVlad Buslov { 5407e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5408e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5409e2394a61SVlad Buslov 5410e2394a61SVlad Buslov switch (type) { 5411e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5412e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5413e2394a61SVlad Buslov default: 5414e2394a61SVlad Buslov return -EOPNOTSUPP; 5415e2394a61SVlad Buslov } 5416e2394a61SVlad Buslov } 5417c7569097SAriel Levkovich 5418c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5419c7569097SAriel Levkovich struct sk_buff *skb) 5420c7569097SAriel Levkovich { 5421c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5422aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5423c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5424aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5425c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5426c7569097SAriel Levkovich int err; 5427c7569097SAriel Levkovich 5428c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5429c7569097SAriel Levkovich 5430c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5431c7569097SAriel Levkovich 5432c7569097SAriel Levkovich err = mlx5_get_chain_for_tag(nic_chains(priv), chain_tag, &chain); 5433c7569097SAriel Levkovich if (err) { 5434c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5435c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5436c7569097SAriel Levkovich chain_tag, err); 5437c7569097SAriel Levkovich return false; 5438c7569097SAriel Levkovich } 5439c7569097SAriel Levkovich 5440c7569097SAriel Levkovich if (chain) { 5441c7569097SAriel Levkovich tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); 5442c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5443c7569097SAriel Levkovich return false; 5444c7569097SAriel Levkovich 5445c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5446aedd133dSAriel Levkovich 5447aedd133dSAriel Levkovich zone_restore_id = (reg_b >> REG_MAPPING_SHIFT(NIC_ZONE_RESTORE_TO_REG)) & 5448aedd133dSAriel Levkovich ZONE_RESTORE_MAX; 5449aedd133dSAriel Levkovich 5450aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5451aedd133dSAriel Levkovich zone_restore_id)) 5452aedd133dSAriel Levkovich return false; 5453c7569097SAriel Levkovich } 5454c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5455c7569097SAriel Levkovich 5456c7569097SAriel Levkovich return true; 5457c7569097SAriel Levkovich } 5458