Commit | Line | Data |
---|---|---|
1ead8310 SL |
1 | /* interface.h 4.1 83/01/11 */ |
2 | ||
3 | /* | |
4 | * Routing table management daemon. | |
5 | */ | |
6 | ||
7 | /* | |
8 | * An ``interface'' is similar to an ifnet structure, | |
9 | * except it doesn't contain q'ing info, and it also | |
10 | * handles ``logical'' interfaces (remote gateways | |
11 | * that we want to keep polling even if they go down). | |
12 | * The list of interfaces which we maintain is used | |
13 | * in supplying the gratuitous routing table updates. | |
14 | */ | |
15 | struct interface { | |
16 | struct interface *int_next; | |
17 | struct sockaddr int_addr; /* address on this host */ | |
18 | union { | |
19 | struct sockaddr intu_broadaddr; | |
20 | struct sockaddr intu_dstaddr; | |
21 | } int_intu; | |
22 | #define int_broadaddr int_intu.intu_broadaddr /* broadcast address */ | |
23 | #define int_dstaddr int_intu.intu_dstaddr /* other end of p-to-p link */ | |
24 | int int_metric; /* init's routing entry */ | |
25 | int int_flags; /* see below */ | |
26 | int int_net; /* network # */ | |
27 | struct ifdebug int_input, int_output; /* packet tracing stuff */ | |
28 | int int_ipackets; /* input packets received */ | |
29 | int int_opackets; /* output packets sent */ | |
30 | char *int_name; /* from kernel if structure */ | |
31 | u_short int_transitions; /* times gone up-down */ | |
32 | }; | |
33 | ||
34 | /* | |
35 | * 0x1 to 0x10 are reused from the kernel's ifnet definitions, | |
36 | * the others agree with the RTS_ flags defined below | |
37 | */ | |
38 | #define IFF_UP 0x1 /* interface is up */ | |
39 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ | |
40 | #define IFF_DEBUG 0x4 /* turn on debugging */ | |
41 | #define IFF_ROUTE 0x8 /* routing entry installed */ | |
42 | #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ | |
43 | #define IFF_PASSIVE 0x20 /* can't tell if up/down */ | |
44 | #define IFF_INTERFACE 0x40 /* hardware interface */ | |
45 | #define IFF_REMOTE 0x80 /* interface isn't on this machine */ | |
46 | ||
47 | struct interface *if_ifwithaddr(); | |
48 | struct interface *if_ifwithnet(); | |
49 | struct interface *if_iflookup(); |