projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e69f81e0 KS |
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 | * @(#)interface.h 5.3 (Berkeley) %G%"; | |
| 7 | */ | |
| 970cc093 KS |
8 | |
| 9 | /* | |
| 10 | * Routing table management daemon. | |
| 11 | */ | |
| 12 | ||
| 13 | /* | |
| 14 | * An ``interface'' is similar to an ifnet structure, | |
| 15 | * except it doesn't contain q'ing info, and it also | |
| 16 | * handles ``logical'' interfaces (remote gateways | |
| 17 | * that we want to keep polling even if they go down). | |
| 18 | * The list of interfaces which we maintain is used | |
| 19 | * in supplying the gratuitous routing table updates. | |
| 20 | * We list only one address for each interface, the AF_XNS one. | |
| 21 | */ | |
| 22 | #define NIFADDR 3 | |
| 23 | struct interface { | |
| 24 | struct interface *int_next; | |
| 25 | struct sockaddr int_addr; /* address on this host */ | |
| 26 | union { | |
| 27 | struct sockaddr intu_broadaddr; | |
| 28 | struct sockaddr intu_dstaddr; | |
| 29 | } int_intu; | |
| 30 | #define int_broadaddr int_intu.intu_broadaddr /* broadcast address */ | |
| 31 | #define int_dstaddr int_intu.intu_dstaddr /* other end of p-to-p link */ | |
| 32 | int int_metric; /* init's routing entry */ | |
| 33 | int int_flags; /* see below */ | |
| 34 | struct ifdebug int_input, int_output; /* packet tracing stuff */ | |
| 35 | int int_ipackets; /* input packets received */ | |
| 36 | int int_opackets; /* output packets sent */ | |
| 37 | char *int_name; /* from kernel if structure */ | |
| 38 | u_short int_transitions; /* times gone up-down */ | |
| e69f81e0 KS |
39 | /*XNS Specific entry */ |
| 40 | struct sameq { | |
| 41 | struct sameq *n; /* q of other pt-to-pt links */ | |
| 42 | struct sameq *p; /* with same net # */ | |
| 43 | } int_sq; | |
| 970cc093 KS |
44 | }; |
| 45 | ||
| 46 | /* | |
| e69f81e0 | 47 | * 0x1 to 0x10 are reused from the kernel's ifnet definitions, |
| 970cc093 KS |
48 | * the others agree with the RTS_ flags defined elsewhere. |
| 49 | */ | |
| 50 | #define IFF_UP 0x1 /* interface is up */ | |
| 51 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ | |
| 52 | #define IFF_DEBUG 0x4 /* turn on debugging */ | |
| 53 | #define IFF_ROUTE 0x8 /* routing entry installed */ | |
| 54 | #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ | |
| 970cc093 KS |
55 | |
| 56 | #define IFF_PASSIVE 0x2000 /* can't tell if up/down */ | |
| 57 | #define IFF_INTERFACE 0x4000 /* hardware interface */ | |
| 58 | #define IFF_REMOTE 0x8000 /* interface isn't on this machine */ | |
| 59 | ||
| 60 | struct interface *if_ifwithaddr(); | |
| e69f81e0 | 61 | struct interface *if_ifwithdstaddr(); |
| 970cc093 KS |
62 | struct interface *if_ifwithnet(); |
| 63 | struct interface *if_iflookup(); |