root / lab4 / .minix-src / include / net / gen / rip.h @ 14
History | View | Annotate | Download (1.4 KB)
1 |
/*
|
---|---|
2 |
net/gen/rip.h
|
3 |
|
4 |
Definitions for the Routing Information Protocol (RFC-1058).
|
5 |
|
6 |
Created: Aug 16, 1993 by Philip Homburg <philip@cs.vu.nl>
|
7 |
*/
|
8 |
|
9 |
#ifndef NET__GEN__RIP_H
|
10 |
#define NET__GEN__RIP_H
|
11 |
|
12 |
typedef struct rip_hdr |
13 |
{ |
14 |
u8_t rh_command; |
15 |
u8_t rh_version; |
16 |
u16_t rh_zero; |
17 |
} rip_hdr_t; |
18 |
|
19 |
#define RHC_REQUEST 1 |
20 |
#define RHC_RESPONSE 2 |
21 |
|
22 |
#define RIP_ENTRY_MAX 25 |
23 |
|
24 |
typedef struct rip_entry |
25 |
{ |
26 |
union
|
27 |
{ |
28 |
struct rip_entry_v1
|
29 |
{ |
30 |
u16_t re_family; |
31 |
u16_t re_zero0; |
32 |
u32_t re_address; |
33 |
u32_t re_zero1; |
34 |
u32_t re_zero2; |
35 |
u32_t re_metric; |
36 |
} v1; |
37 |
struct rip_entry_v2
|
38 |
{ |
39 |
u16_t re_family; |
40 |
u16_t re_tag; |
41 |
u32_t re_address; |
42 |
u32_t re_mask; |
43 |
u32_t re_nexthop; |
44 |
u32_t re_metric; |
45 |
} v2; |
46 |
} u; |
47 |
} rip_entry_t; |
48 |
|
49 |
#define RIP_FAMILY_IP 2 |
50 |
#define RIP_INFINITY 16 |
51 |
|
52 |
#define RIP_UDP_PORT 520 |
53 |
#define RIP_PERIOD 30 /* A responce is sent once every |
54 |
* RIP_PERIOD seconds
|
55 |
*/
|
56 |
#define RIP_FUZZ 10 /* The actual value used is RIP_FREQUENCE - |
57 |
* a random number of at most RIP_FUZZ.
|
58 |
*/
|
59 |
#define RIP_TIMEOUT 180 /* A route is dead after RIP_TIMEOUT seconds */ |
60 |
#define RIP_DELETE_TO 120 /* A dead route is removed after RIP_DELETE_TO |
61 |
* seconds
|
62 |
*/
|
63 |
|
64 |
#ifdef __RIP_DEBUG
|
65 |
#undef RIP_PERIOD
|
66 |
#define RIP_PERIOD 15 |
67 |
#undef RIP_TIMEOUT
|
68 |
#define RIP_TIMEOUT 10 |
69 |
#undef RIP_DELETE_TO
|
70 |
#define RIP_DELETE_TO 10 |
71 |
#endif /* __RIP_DEBUG */ |
72 |
|
73 |
#endif /* NET__GEN__RIP_H */ |
74 |
|
75 |
/*
|
76 |
* $PchId: rip.h,v 1.3 1995/11/17 22:21:16 philip Exp $
|
77 |
*/
|