/* * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __GBP_ENDPOINT_GROUP_H__ #define __GBP_ENDPOINT_GROUP_H__ #include <plugins/gbp/gbp_types.h> #include <vnet/fib/fib_types.h> /** * An Endpoint Group representation */ typedef struct gpb_endpoint_group_t_ { /** * ID */ epg_id_t gg_id; /** * Sclass. Could be unset => ~0 */ u16 gg_sclass; /** * Bridge-domain ID the EPG is in */ index_t gg_gbd; index_t gg_bd_index; /** * route-domain/IP-table ID the EPG is in */ index_t gg_rd; /** * Is the EPG an external/NAT */ u8 gg_is_ext; /** * the uplink interface dedicated to the EPG */ u32 gg_uplink_sw_if_index; /** * The DPO used in the L3 path for forwarding internal subnets */ dpo_id_t gg_dpo[FIB_PROTOCOL_IP_MAX]; /** * Locks/references to this EPG */ u32 gg_locks; } gbp_endpoint_group_t; /** * EPG DB, key'd on EGP-ID */ typedef struct gbp_endpoint_group_db_t_ { uword *gg_hash; } gbp_endpoint_group_db_t; extern int gbp_endpoint_group_add_and_lock (epg_id_t epg_id, u16 sclass, u32 bd_id, u32 rd_id, u32 uplink_sw_if_index); extern index_t gbp_endpoint_group_find (epg_id_t epg_id); extern int gbp_endpoint_group_delete (epg_id_t epg_id); extern void gbp_endpoint_group_unlock (index_t index); extern void gbp_endpoint_group_lock (index_t index); extern u32 gbp_endpoint_group_get_bd_id (const gbp_endpoint_group_t *); extern gbp_endpoint_group_t *gbp_endpoint_group_get (index_t i); extern index_t gbp_endpoint_group_get_fib_index (const gbp_endpoint_group_t * gg, fib_protocol_t fproto); typedef int (*gbp_endpoint_group_cb_t) (gbp_endpoint_group_t * gbpe, void *ctx); extern void gbp_endpoint_group_walk (gbp_endpoint_group_cb_t bgpe, void *ctx); extern u8 *format_gbp_endpoint_group (u8 * s, va_list * args); /** * DP functions and databases */ extern gbp_endpoint_group_db_t gbp_endpoint_group_db; extern gbp_endpoint_group_t *gbp_endpoint_group_pool; extern uword *gbp_epg_sclass_db; always_inline gbp_endpoint_group_t * gbp_epg_get (epg_id_t epg) { uword *p; p = hash_get (gbp_endpoint_group_db.gg_hash, epg); if (NULL != p) return (pool_elt_at_index (gbp_endpoint_group_pool, p[0])); return (NULL); } always_inline u32 gbp_epg_itf_lookup (epg_id_t epg) { uword *p; p = hash_get (gbp_endpoint_group_db.gg_hash, epg); if (NULL != p) { gbp_endpoint_group_t *gg; gg = pool_elt_at_index (gbp_endpoint_group_pool, p[0]); return (gg->gg_uplink_sw_if_index); } return (~0); } always_inline epg_id_t gbp_epg_sclass_2_id (u16 sclass) { uword *p; p = hash_get (gbp_epg_sclass_db, sclass); if (NULL != p) { return (p[0]); } return (EPG_INVALID); } always_inline const dpo_id_t * gbp_epg_dpo_lookup (epg_id_t epg, fib_protocol_t fproto) { uword *p; p = hash_get (gbp_endpoint_group_db.gg_hash, epg); if (NULL != p) { gbp_endpoint_group_t *gg; gg = pool_elt_at_index (gbp_endpoint_group_pool, p[0]); return (&gg->gg_dpo[fproto]); } return (NULL); } #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */