GBP: Endpoints with VLAN tags and birdges that don't learn
[vpp.git] / 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 VNI interface on which packets from unkown endpoints
62    * arrive
63    */
64   u32 gb_vni_sw_if_index;
65
66   /**
67    * locks/references to the BD so it does not get deleted (from the API)
68    * whilst it is still being used
69    */
70   u32 gb_locks;
71 } gbp_bridge_domain_t;
72
73 extern int gbp_bridge_domain_add_and_lock (u32 bd_id,
74                                            gbp_bridge_domain_flags_t flags,
75                                            u32 bvi_sw_if_index,
76                                            u32 uu_fwd_sw_if_index);
77 extern void gbp_bridge_domain_unlock (index_t gbi);
78 extern index_t gbp_bridge_domain_find_and_lock (u32 bd_id);
79 extern int gbp_bridge_domain_delete (u32 bd_id);
80
81 typedef int (*gbp_bridge_domain_cb_t) (gbp_bridge_domain_t * gb, void *ctx);
82 extern void gbp_bridge_domain_walk (gbp_bridge_domain_cb_t bgpe, void *ctx);
83
84 extern u8 *format_gbp_bridge_domain (u8 * s, va_list * args);
85
86 /**
87  * DB of bridge_domains
88  */
89 typedef struct gbp_bridge_domain_db_t
90 {
91   uword *gbd_by_bd_id;
92   index_t *gbd_by_bd_index;
93 } gbp_bridge_domain_db_t;
94
95 extern gbp_bridge_domain_db_t gbp_bridge_domain_db;
96 extern gbp_bridge_domain_t *gbp_bridge_domain_pool;
97
98 always_inline gbp_bridge_domain_t *
99 gbp_bridge_domain_get (index_t i)
100 {
101   return (pool_elt_at_index (gbp_bridge_domain_pool, i));
102 }
103
104 always_inline gbp_bridge_domain_t *
105 gbp_bridge_domain_get_by_bd_index (u32 bd_index)
106 {
107   return (gbp_bridge_domain_get
108           (gbp_bridge_domain_db.gbd_by_bd_index[bd_index]));
109 }
110
111 #endif
112
113 /*
114  * fd.io coding-style-patch-verification: ON
115  *
116  * Local Variables:
117  * eval: (c-set-style "gnu")
118  * End:
119  */