projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 5ff67f98 DF |
1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | * | |
| 6 | * @(#)table.h 5.1 (Berkeley) %G% | |
| 7 | */ | |
| d03054c7 SL |
8 | |
| 9 | /* | |
| 10 | * Routing table management daemon. | |
| 11 | */ | |
| 12 | ||
| 13 | /* | |
| 14 | * Routing table structure; differs a bit from kernel tables. | |
| 15 | * | |
| 16 | * Note: the union below must agree in the first 4 members | |
| 17 | * so the ioctl's will work. | |
| 18 | */ | |
| 19 | struct rthash { | |
| 20 | struct rt_entry *rt_forw; | |
| 21 | struct rt_entry *rt_back; | |
| 22 | }; | |
| 23 | ||
| 24 | struct rt_entry { | |
| 25 | struct rt_entry *rt_forw; | |
| 26 | struct rt_entry *rt_back; | |
| 27 | union { | |
| 28 | struct rtentry rtu_rt; | |
| 29 | struct { | |
| 30 | u_long rtu_hash; | |
| 31 | struct sockaddr rtu_dst; | |
| 32 | struct sockaddr rtu_router; | |
| 33 | short rtu_flags; | |
| 34 | short rtu_state; | |
| 35 | int rtu_timer; | |
| 36 | int rtu_metric; | |
| 37 | struct interface *rtu_ifp; | |
| 38 | } rtu_entry; | |
| 39 | } rt_rtu; | |
| 40 | }; | |
| 41 | ||
| 42 | #define rt_rt rt_rtu.rtu_rt /* pass to ioctl */ | |
| 43 | #define rt_hash rt_rtu.rtu_entry.rtu_hash /* for net or host */ | |
| 44 | #define rt_dst rt_rtu.rtu_entry.rtu_dst /* match value */ | |
| 45 | #define rt_router rt_rtu.rtu_entry.rtu_router /* who to forward to */ | |
| 46 | #define rt_flags rt_rtu.rtu_entry.rtu_flags /* kernel flags */ | |
| 47 | #define rt_timer rt_rtu.rtu_entry.rtu_timer /* for invalidation */ | |
| 48 | #define rt_state rt_rtu.rtu_entry.rtu_state /* see below */ | |
| 49 | #define rt_metric rt_rtu.rtu_entry.rtu_metric /* cost of route */ | |
| 50 | #define rt_ifp rt_rtu.rtu_entry.rtu_ifp /* interface to take */ | |
| 51 | ||
| 49139b80 MK |
52 | #define ROUTEHASHSIZ 32 /* must be a power of 2 */ |
| 53 | #define ROUTEHASHMASK (ROUTEHASHSIZ - 1) | |
| d03054c7 SL |
54 | |
| 55 | /* | |
| 56 | * "State" of routing table entry. | |
| 57 | */ | |
| 58 | #define RTS_CHANGED 0x1 /* route has been altered recently */ | |
| b7e4f8be MK |
59 | #define RTS_PASSIVE IFF_PASSIVE /* don't time out route */ |
| 60 | #define RTS_INTERFACE IFF_INTERFACE /* route is for network interface */ | |
| 61 | #define RTS_REMOTE IFF_REMOTE /* route is for ``remote'' entity */ | |
| d03054c7 SL |
62 | |
| 63 | struct rthash nethash[ROUTEHASHSIZ]; | |
| 64 | struct rthash hosthash[ROUTEHASHSIZ]; | |
| 65 | struct rt_entry *rtlookup(); | |
| 66 | struct rt_entry *rtfind(); |