projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 5ff67f98 DF |
1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. | |
| 0eb85d71 | 3 | * All rights reserved. |
| 5ff67f98 | 4 | * |
| 0eb85d71 | 5 | * Redistribution and use in source and binary forms are permitted |
| b8c620d6 KB |
6 | * provided that the above copyright notice and this paragraph are |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 0eb85d71 | 16 | * |
| b8c620d6 | 17 | * @(#)interface.h 5.5 (Berkeley) %G% |
| 5ff67f98 | 18 | */ |
| 1ead8310 SL |
19 | |
| 20 | /* | |
| 21 | * Routing table management daemon. | |
| 22 | */ | |
| 23 | ||
| 24 | /* | |
| 25 | * An ``interface'' is similar to an ifnet structure, | |
| 26 | * except it doesn't contain q'ing info, and it also | |
| 27 | * handles ``logical'' interfaces (remote gateways | |
| 28 | * that we want to keep polling even if they go down). | |
| 29 | * The list of interfaces which we maintain is used | |
| 30 | * in supplying the gratuitous routing table updates. | |
| 31 | */ | |
| 32 | struct interface { | |
| 33 | struct interface *int_next; | |
| 34 | struct sockaddr int_addr; /* address on this host */ | |
| 35 | union { | |
| 36 | struct sockaddr intu_broadaddr; | |
| 37 | struct sockaddr intu_dstaddr; | |
| 38 | } int_intu; | |
| 39 | #define int_broadaddr int_intu.intu_broadaddr /* broadcast address */ | |
| 40 | #define int_dstaddr int_intu.intu_dstaddr /* other end of p-to-p link */ | |
| 41 | int int_metric; /* init's routing entry */ | |
| 42 | int int_flags; /* see below */ | |
| d002aa8c MK |
43 | /* START INTERNET SPECIFIC */ |
| 44 | u_long int_net; /* network # */ | |
| 45 | u_long int_netmask; /* net mask for addr */ | |
| 46 | u_long int_subnet; /* subnet # */ | |
| 47 | u_long int_subnetmask; /* subnet mask for addr */ | |
| 48 | /* END INTERNET SPECIFIC */ | |
| 1ead8310 SL |
49 | struct ifdebug int_input, int_output; /* packet tracing stuff */ |
| 50 | int int_ipackets; /* input packets received */ | |
| 51 | int int_opackets; /* output packets sent */ | |
| 52 | char *int_name; /* from kernel if structure */ | |
| 53 | u_short int_transitions; /* times gone up-down */ | |
| 54 | }; | |
| 55 | ||
| 56 | /* | |
| d002aa8c | 57 | * 0x1 to 0x10 are reused from the kernel's ifnet definitions, |
| 2198ed48 | 58 | * the others agree with the RTS_ flags defined elsewhere. |
| 1ead8310 SL |
59 | */ |
| 60 | #define IFF_UP 0x1 /* interface is up */ | |
| 61 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ | |
| 62 | #define IFF_DEBUG 0x4 /* turn on debugging */ | |
| a28c0bd8 | 63 | #define IFF_LOOPBACK 0x8 /* software loopback net */ |
| 1ead8310 | 64 | #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ |
| 2198ed48 | 65 | |
| 4fad5a6e | 66 | #define IFF_SUBNET 0x1000 /* interface on subnetted network */ |
| 2198ed48 MK |
67 | #define IFF_PASSIVE 0x2000 /* can't tell if up/down */ |
| 68 | #define IFF_INTERFACE 0x4000 /* hardware interface */ | |
| 69 | #define IFF_REMOTE 0x8000 /* interface isn't on this machine */ | |
| 1ead8310 SL |
70 | |
| 71 | struct interface *if_ifwithaddr(); | |
| 4fad5a6e | 72 | struct interface *if_ifwithdstaddr(); |
| 1ead8310 SL |
73 | struct interface *if_ifwithnet(); |
| 74 | struct interface *if_iflookup(); |