67043685ea3360b5769d78d345b7abafc711ca71
[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 #include <vnet/l2/l2_bd.h>
23
24 /**
25  * Bridge Domain Flags
26  */
27 typedef enum gbp_bridge_domain_flags_t_
28 {
29   GBP_BD_FLAG_NONE = 0,
30   GBP_BD_FLAG_DO_NOT_LEARN = (1 << 0),
31   GBP_BD_FLAG_UU_FWD_DROP = (1 << 1),
32   GBP_BD_FLAG_MCAST_DROP = (1 << 2),
33   GBP_BD_FLAG_UCAST_ARP = (1 << 3),
34 } gbp_bridge_domain_flags_t;
35
36 /**
37  * A bridge Domain Representation.
38  * This is a standard bridge-domain plus all the attributes it must
39  * have to supprt the GBP model.
40  */
41 typedef struct gbp_bridge_domain_t_
42 {
43   /**
44    * Bridge-domain ID
45    */
46   u32 gb_bd_id;
47   u32 gb_bd_index;
48
49   /**
50    * Index of the Route-domain this BD is associated with. This is used as the
51    * 'scope' of the packets for contract matching.
52    */
53   u32 gb_rdi;
54
55   /**
56    * Flags conttrolling behaviour
57    */
58   gbp_bridge_domain_flags_t gb_flags;
59
60   /**
61    * The BD's BVI interface (obligatory)
62    */
63   u32 gb_bvi_sw_if_index;
64
65   /**
66    * The BD's MAC spine-proxy interface (optional)
67    */
68   u32 gb_uu_fwd_sw_if_index;
69
70   /**
71    * The BD's interface to sned Broadcast and multicast packets
72    */
73   u32 gb_bm_flood_sw_if_index;
74
75   /**
76    * The index of the BD's VNI interface on which packets from
77    * unkown endpoints arrive
78    */
79   u32 gb_vni;
80
81   /**
82    * locks/references to the BD so it does not get deleted (from the API)
83    * whilst it is still being used
84    */
85   u32 gb_locks;
86 } gbp_bridge_domain_t;
87
88 extern void gbp_bridge_domain_itf_add (u32 sw_if_index, u32 bd_index,
89                                        l2_bd_port_type_t type);
90 extern void gbp_bridge_domain_itf_del (u32 sw_if_index, u32 bd_index,
91                                        l2_bd_port_type_t type);
92
93 extern int gbp_bridge_domain_add_and_lock (u32 bd_id,
94                                            u32 rd_id,
95                                            gbp_bridge_domain_flags_t flags,
96                                            u32 bvi_sw_if_index,
97                                            u32 uu_fwd_sw_if_index,
98                                            u32 bm_flood_sw_if_index);
99
100 extern void gbp_bridge_domain_unlock (index_t gbi);
101 extern index_t gbp_bridge_domain_find_and_lock (u32 bd_id);
102 extern int gbp_bridge_domain_delete (u32 bd_id);
103 extern index_t gbp_bridge_domain_index (const gbp_bridge_domain_t *);
104 extern u32 gbp_bridge_domain_get_bd_id (index_t gbdi);
105
106 typedef int (*gbp_bridge_domain_cb_t) (gbp_bridge_domain_t * gb, void *ctx);
107 extern void gbp_bridge_domain_walk (gbp_bridge_domain_cb_t bgpe, void *ctx);
108
109 extern u8 *format_gbp_bridge_domain (u8 * s, va_list * args);
110 extern u8 *format_gbp_bridge_domain_flags (u8 * s, va_list * args);
111
112 /**
113  * DB of bridge_domains
114  */
115 typedef struct gbp_bridge_domain_db_t
116 {
117   uword *gbd_by_bd_id;
118   index_t *gbd_by_bd_index;
119 } gbp_bridge_domain_db_t;
120
121 extern gbp_bridge_domain_db_t gbp_bridge_domain_db;
122 extern gbp_bridge_domain_t *gbp_bridge_domain_pool;
123
124 always_inline gbp_bridge_domain_t *
125 gbp_bridge_domain_get (index_t i)
126 {
127   return (pool_elt_at_index (gbp_bridge_domain_pool, i));
128 }
129
130 always_inline gbp_bridge_domain_t *
131 gbp_bridge_domain_get_by_bd_index (u32 bd_index)
132 {
133   return (gbp_bridge_domain_get
134           (gbp_bridge_domain_db.gbd_by_bd_index[bd_index]));
135 }
136
137 extern gbp_scope_t *gbp_scope_by_bd_index;
138
139 always_inline gbp_scope_t
140 gbp_bridge_domain_get_scope (u32 bd_index)
141 {
142   return (gbp_scope_by_bd_index[bd_index]);
143 }
144
145 #endif
146
147 /*
148  * fd.io coding-style-patch-verification: ON
149  *
150  * Local Variables:
151  * eval: (c-set-style "gnu")
152  * End:
153  */