00001 /* 00002 * intf.c 00003 * 00004 * Network interface operations. 00005 * 00006 * Copyright (c) 2000 Dug Song <dugsong@monkey.org> 00007 * 00008 * $Id: intf.h,v 1.16 2004/01/13 07:41:09 dugsong Exp $ 00009 */ 00010 00011 #ifndef DNET_INTF_H 00012 #define DNET_INTF_H 00013 00014 /* 00015 * Interface entry 00016 */ 00017 #define INTF_NAME_LEN 16 00018 00019 struct intf_entry { 00020 u_int intf_len; /* length of entry */ 00021 char intf_name[INTF_NAME_LEN]; /* interface name */ 00022 u_short intf_type; /* interface type (r/o) */ 00023 u_short intf_flags; /* interface flags */ 00024 u_int intf_mtu; /* interface MTU */ 00025 struct addr intf_addr; /* interface address */ 00026 struct addr intf_dst_addr; /* point-to-point dst */ 00027 struct addr intf_link_addr; /* link-layer address */ 00028 u_int intf_alias_num; /* number of aliases */ 00029 struct addr intf_alias_addrs __flexarr; /* array of aliases */ 00030 }; 00031 00032 /* 00033 * MIB-II interface types - http://www.iana.org/assignments/ianaiftype-mib 00034 */ 00035 #define INTF_TYPE_OTHER 1 /* other */ 00036 #define INTF_TYPE_ETH 6 /* Ethernet */ 00037 #define INTF_TYPE_TOKENRING 9 /* Token Ring */ 00038 #define INTF_TYPE_FDDI 15 /* FDDI */ 00039 #define INTF_TYPE_PPP 23 /* Point-to-Point Protocol */ 00040 #define INTF_TYPE_LOOPBACK 24 /* software loopback */ 00041 #define INTF_TYPE_SLIP 28 /* Serial Line Interface Protocol */ 00042 #define INTF_TYPE_TUN 53 /* proprietary virtual/internal */ 00043 00044 /* 00045 * Interface flags 00046 */ 00047 #define INTF_FLAG_UP 0x01 /* enable interface */ 00048 #define INTF_FLAG_LOOPBACK 0x02 /* is a loopback net (r/o) */ 00049 #define INTF_FLAG_POINTOPOINT 0x04 /* point-to-point link (r/o) */ 00050 #define INTF_FLAG_NOARP 0x08 /* disable ARP */ 00051 #define INTF_FLAG_BROADCAST 0x10 /* supports broadcast (r/o) */ 00052 #define INTF_FLAG_MULTICAST 0x20 /* supports multicast (r/o) */ 00053 00054 typedef struct intf_handle intf_t; 00055 00056 typedef int (*intf_handler)(const struct intf_entry *entry, void *arg); 00057 00058 __BEGIN_DECLS 00059 intf_t *intf_open(void); 00060 int intf_get(intf_t *i, struct intf_entry *entry); 00061 int intf_get_src(intf_t *i, struct intf_entry *entry, struct addr *src); 00062 int intf_get_dst(intf_t *i, struct intf_entry *entry, struct addr *dst); 00063 int intf_set(intf_t *i, const struct intf_entry *entry); 00064 int intf_loop(intf_t *i, intf_handler callback, void *arg); 00065 intf_t *intf_close(intf_t *i); 00066 __END_DECLS 00067 00068 #endif /* DNET_INTF_H */
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