projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 5a1bce00 C |
1 | /* interface.h 4.2 84/04/09 */ |
| 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 | u_long int_net; /* network # */ | |
| 25 | u_long int_netmask; /* net mask for addr */ | |
| 26 | u_long int_subnet; /* subnet # */ | |
| 27 | u_long int_subnetmask; /* subnet mask for addr */ | |
| 28 | int int_metric; /* init's routing entry */ | |
| 29 | int int_flags; /* see below */ | |
| 30 | /* struct ifdebug int_input, int_output; /* packet tracing stuff */ | |
| 31 | int int_ipackets; /* input packets received */ | |
| 32 | int int_opackets; /* output packets sent */ | |
| 33 | char *int_name; /* from kernel if structure */ | |
| 34 | u_short int_transitions; /* times gone up-down */ | |
| 35 | int int_egpsock; /* egp raw socket */ | |
| 36 | int int_icmpsock; /* icmp raw socket */ | |
| 37 | }; | |
| 38 | ||
| 39 | /* | |
| 40 | * 0x1 to 0x100 are reused from the kernel's ifnet definitions, | |
| 41 | * the others agree with the RTS_ flags defined elsewhere. | |
| 42 | */ | |
| 43 | #define IFF_UP 0x1 /* interface is up */ | |
| 44 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ | |
| 45 | #define IFF_DEBUG 0x4 /* turn on debugging */ | |
| 46 | #define IFF_ROUTE 0x8 /* routing entry installed */ | |
| 47 | #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ | |
| 48 | ||
| 49 | #define IFF_PASSIVE 0x2000 /* can't tell if up/down */ | |
| 50 | #define IFF_INTERFACE 0x4000 /* hardware interface */ | |
| 51 | #define IFF_REMOTE 0x8000 /* interface isn't on this machine */ | |
| 52 | ||
| 53 | /* | |
| 54 | struct interface *if_ifwithaddr(); | |
| 55 | struct interface *if_ifwithnet(); | |
| 56 | struct interface *if_iflookup(); | |
| 57 | */ |