1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* BIRD -- Router Advertisement Configuration
*
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "proto/bfd/bfd.h"
CF_DEFINES
#define BFD_CFG ((struct bfd_config *) this_proto)
#define BFD_SESSION this_bfd_session
#define BFD_NEIGHBOR this_bfd_neighbor
static struct bfd_session_config *this_bfd_session;
static struct bfd_neighbor *this_bfd_neighbor;
CF_DECLS
CF_KEYWORDS(BFD, MIN, IDLE, RX, TX, INTERVAL, MULTIPLIER, MULTIHOP, PASSIVE,
NEIGHBOR)
%type <iface> bfd_neigh_iface
%type <a> bfd_neigh_local
CF_GRAMMAR
CF_ADDTO(proto, bfd_proto)
bfd_proto_start: proto_start BFD
{
this_proto = proto_config_new(&proto_bfd, sizeof(struct bfd_config), $1);
init_list(&BFD_CFG->neighbors);
};
bfd_proto_item:
proto_item
| bfd_neighbor
;
bfd_proto_opts:
/* empty */
| bfd_proto_opts bfd_proto_item ';'
;
bfd_proto:
bfd_proto_start proto_name '{' bfd_proto_opts '}';
bfd_session_start:
{
this_bfd_session = cfg_allocz(sizeof(struct bfd_session_config));
BFD_SESSION->min_rx_int = BFD_DEFAULT_MIN_RX_INT;
BFD_SESSION->min_tx_int = BFD_DEFAULT_MIN_TX_INT;
BFD_SESSION->idle_tx_int = BFD_DEFAULT_IDLE_TX_INT;
BFD_SESSION->multiplier = BFD_DEFAULT_MULTIPLIER;
};
bfd_session_item:
INTERVAL expr_us { BFD_SESSION->min_rx_int = BFD_SESSION->min_tx_int = $2; }
| MIN RX INTERVAL expr_us { BFD_SESSION->min_rx_int = $4; }
| MIN TX INTERVAL expr_us { BFD_SESSION->min_tx_int = $4; }
| IDLE TX INTERVAL expr_us { BFD_SESSION->idle_tx_int = $4; }
| MULTIPLIER expr { BFD_SESSION->multiplier = $2; }
| MULTIHOP bool { BFD_SESSION->multihop = $2; }
| PASSIVE bool { BFD_SESSION->passive = $2; }
;
bfd_session_opts:
/* empty */
| bfd_session_opts bfd_session_item ';'
;
bfd_session_opt_list:
/* empty */
| '{' bfd_session_opts '}'
;
bfd_session:
bfd_session_start bfd_session_opt_list;
bfd_neigh_iface:
/* empty */ { $$ = NULL; }
| '%' SYM { $$ = if_get_by_name($2->name); }
| DEV TEXT { $$ = if_get_by_name($2); }
;
bfd_neigh_local:
/* empty */ { $$ = IPA_NONE; }
| LOCAL ipa { $$ = $2; }
;
bfd_neighbor: NEIGHBOR ipa bfd_neigh_iface bfd_neigh_local bfd_session
{
this_bfd_neighbor = cfg_allocz(sizeof(struct bfd_neighbor));
add_tail(&BFD_CFG->neighbors, NODE this_bfd_neighbor);
BFD_NEIGHBOR->addr = $2;
BFD_NEIGHBOR->local = $4;
BFD_NEIGHBOR->iface = $3;
BFD_NEIGHBOR->opts = BFD_SESSION;
};
CF_CODE
CF_END
|
