src/plugins/gbp/gbp_bridge_domain.h

   1 /*
   2  * Copyright (c) 2018 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #ifndef __GBP_BRIDGE_DOMAIN_H__
  17 #define __GBP_BRIDGE_DOMAIN_H__
  18
  19 #include <plugins/gbp/gbp_types.h>
  20
  21 #include <vnet/fib/fib_types.h>
  22
  23 /**
  24  * Bridge Domain Flags
  25  */
  26 typedef enum gbp_bridge_domain_flags_t_
  27 {
  28   GBP_BD_FLAG_NONE = 0,
  29   GBP_BD_FLAG_DO_NOT_LEARN = (1 << 0),
  30 } gbp_bridge_domain_flags_t;
  31
  32 /**
  33  * A bridge Domain Representation.
  34  * This is a standard bridge-domain plus all the attributes it must
  35  * have to supprt the GBP model.
  36  */
  37 typedef struct gbp_bridge_domain_t_
  38 {
  39   /**
  40    * Bridge-domain ID
  41    */
  42   u32 gb_bd_id;
  43   u32 gb_bd_index;
  44
  45   /**
  46    * Flags conttrolling behaviour
  47    */
  48   gbp_bridge_domain_flags_t gb_flags;
  49
  50   /**
  51    * The BD's BVI interface (obligatory)
  52    */
  53   u32 gb_bvi_sw_if_index;
  54
  55   /**
  56    * The BD's MAC spine-proxy interface (optional)
  57    */
  58   u32 gb_uu_fwd_sw_if_index;
  59
  60   /**
  61    * The BD's interface to sned Broadcast and multicast packets
  62    */
  63   u32 gb_bm_flood_sw_if_index;
  64
  65   /**
  66    * The BD's VNI interface on which packets from unkown endpoints
  67    * arrive
  68    */
  69   u32 gb_vni_sw_if_index;
  70
  71   /**
  72    * locks/references to the BD so it does not get deleted (from the API)
  73    * whilst it is still being used
  74    */
  75   u32 gb_locks;
  76 } gbp_bridge_domain_t;
  77
  78 extern int gbp_bridge_domain_add_and_lock (u32 bd_id,
  79                                            gbp_bridge_domain_flags_t flags,
  80                                            u32 bvi_sw_if_index,
  81                                            u32 uu_fwd_sw_if_index,
  82                                            u32 bm_flood_sw_if_index);
  83
  84 extern void gbp_bridge_domain_unlock (index_t gbi);
  85 extern index_t gbp_bridge_domain_find_and_lock (u32 bd_id);
  86 extern int gbp_bridge_domain_delete (u32 bd_id);
  87 extern index_t gbp_bridge_domain_index (const gbp_bridge_domain_t *);
  88 extern u32 gbp_bridge_domain_get_bd_id (index_t gbdi);
  89
  90 typedef int (*gbp_bridge_domain_cb_t) (gbp_bridge_domain_t * gb, void *ctx);
  91 extern void gbp_bridge_domain_walk (gbp_bridge_domain_cb_t bgpe, void *ctx);
  92
  93 extern u8 *format_gbp_bridge_domain (u8 * s, va_list * args);
  94
  95 /**
  96  * DB of bridge_domains
  97  */
  98 typedef struct gbp_bridge_domain_db_t
  99 {
 100   uword *gbd_by_bd_id;
 101   index_t *gbd_by_bd_index;
 102 } gbp_bridge_domain_db_t;
 103
 104 extern gbp_bridge_domain_db_t gbp_bridge_domain_db;
 105 extern gbp_bridge_domain_t *gbp_bridge_domain_pool;
 106
 107 always_inline gbp_bridge_domain_t *
 108 gbp_bridge_domain_get (index_t i)
 109 {
 110   return (pool_elt_at_index (gbp_bridge_domain_pool, i));
 111 }
 112
 113 always_inline gbp_bridge_domain_t *
 114 gbp_bridge_domain_get_by_bd_index (u32 bd_index)
 115 {
 116   return (gbp_bridge_domain_get
 117           (gbp_bridge_domain_db.gbd_by_bd_index[bd_index]));
 118 }
 119
 120 #endif
 121
 122 /*
 123  * fd.io coding-style-patch-verification: ON
 124  *
 125  * Local Variables:
 126  * eval: (c-set-style "gnu")
 127  * End:
 128  */