/* net/if.h -- declarations for inquiring about network interfaces
- Copyright (C) 1997,98,99,2000 Free Software Foundation, Inc.
+ Copyright (C) 1997,98,99,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Boston, MA 02111-1307, USA. */
#ifndef _NET_IF_H
-
#define _NET_IF_H 1
+
#include <features.h>
-#include <sys/types.h>
-#include <sys/socket.h>
+#ifdef __USE_MISC
+# include <sys/types.h>
+# include <sys/socket.h>
+#endif
+
+
+/* Length of interface name. */
+#define IF_NAMESIZE 16
+
+struct if_nameindex
+ {
+ unsigned int if_index; /* 1, 2, ... */
+ char *if_name; /* null terminated name: "eth0", ... */
+ };
+
+#ifdef __USE_MISC
/* Standard interface flags. */
enum
{
IFF_UP = 0x1, /* Interface is up. */
-#define IFF_UP IFF_UP
+# define IFF_UP IFF_UP
IFF_BROADCAST = 0x2, /* Broadcast address valid. */
-#define IFF_BROADCAST IFF_BROADCAST
+# define IFF_BROADCAST IFF_BROADCAST
IFF_DEBUG = 0x4, /* Turn on debugging. */
-#define IFF_DEBUG IFF_DEBUG
+# define IFF_DEBUG IFF_DEBUG
IFF_LOOPBACK = 0x8, /* Is a loopback net. */
-#define IFF_LOOPBACK IFF_LOOPBACK
+# define IFF_LOOPBACK IFF_LOOPBACK
IFF_POINTOPOINT = 0x10, /* Interface is point-to-point link. */
-#define IFF_POINTOPOINT IFF_POINTOPOINT
+# define IFF_POINTOPOINT IFF_POINTOPOINT
IFF_NOTRAILERS = 0x20, /* Avoid use of trailers. */
-#define IFF_NOTRAILERS IFF_NOTRAILERS
+# define IFF_NOTRAILERS IFF_NOTRAILERS
IFF_RUNNING = 0x40, /* Resources allocated. */
-#define IFF_RUNNING IFF_RUNNING
+# define IFF_RUNNING IFF_RUNNING
IFF_NOARP = 0x80, /* No address resolution protocol. */
-#define IFF_NOARP IFF_NOARP
+# define IFF_NOARP IFF_NOARP
IFF_PROMISC = 0x100, /* Receive all packets. */
-#define IFF_PROMISC IFF_PROMISC
+# define IFF_PROMISC IFF_PROMISC
/* Not supported */
IFF_ALLMULTI = 0x200, /* Receive all multicast packets. */
-#define IFF_ALLMULTI IFF_ALLMULTI
+# define IFF_ALLMULTI IFF_ALLMULTI
IFF_MASTER = 0x400, /* Master of a load balancer. */
-#define IFF_MASTER IFF_MASTER
+# define IFF_MASTER IFF_MASTER
IFF_SLAVE = 0x800, /* Slave of a load balancer. */
-#define IFF_SLAVE IFF_SLAVE
+# define IFF_SLAVE IFF_SLAVE
IFF_MULTICAST = 0x1000, /* Supports multicast. */
-#define IFF_MULTICAST IFF_MULTICAST
+# define IFF_MULTICAST IFF_MULTICAST
IFF_PORTSEL = 0x2000, /* Can set media type. */
-#define IFF_PORTSEL IFF_PORTSEL
+# define IFF_PORTSEL IFF_PORTSEL
IFF_AUTOMEDIA = 0x4000 /* Auto media select active. */
-#define IFF_AUTOMEDIA IFF_AUTOMEDIA
+# define IFF_AUTOMEDIA IFF_AUTOMEDIA
};
/* The ifaddr structure contains information about one address of an
struct ifaddr *ifa_next; /* Next address for interface. */
};
-#define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */
-#define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of link */
+# define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */
+# define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of link */
/* Device mapping structure. I'd just gone off and designed a
beautiful scheme using only loadable modules with arguments for
struct ifreq
{
-#define IFHWADDRLEN 6
-#define IFNAMSIZ 16
+# define IFHWADDRLEN 6
+# define IFNAMSIZ IF_NAMESIZE
union
{
char ifrn_name[IFNAMSIZ]; /* Interface name, e.g. "en0". */
__caddr_t ifru_data;
} ifr_ifru;
};
-#define ifr_name ifr_ifrn.ifrn_name /* interface name */
-#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
-#define ifr_addr ifr_ifru.ifru_addr /* address */
-#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
-#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
-#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
-#define ifr_flags ifr_ifru.ifru_flags /* flags */
-#define ifr_metric ifr_ifru.ifru_ivalue /* metric */
-#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
-#define ifr_map ifr_ifru.ifru_map /* device map */
-#define ifr_slave ifr_ifru.ifru_slave /* slave device */
-#define ifr_data ifr_ifru.ifru_data /* for use by interface */
-#define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
-#define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
-#define ifr_qlen ifr_ifru.ifru_ivalue /* queue length */
-#define ifr_newname ifr_ifru.ifru_newname /* New name */
-#define _IOT_ifreq _IOT(_IOTS(struct ifreq),1,0,0,0,0) /* not right */
+# define ifr_name ifr_ifrn.ifrn_name /* interface name */
+# define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
+# define ifr_addr ifr_ifru.ifru_addr /* address */
+# define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
+# define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
+# define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
+# define ifr_flags ifr_ifru.ifru_flags /* flags */
+# define ifr_metric ifr_ifru.ifru_ivalue /* metric */
+# define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
+# define ifr_map ifr_ifru.ifru_map /* device map */
+# define ifr_slave ifr_ifru.ifru_slave /* slave device */
+# define ifr_data ifr_ifru.ifru_data /* for use by interface */
+# define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
+# define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
+# define ifr_qlen ifr_ifru.ifru_ivalue /* queue length */
+# define ifr_newname ifr_ifru.ifru_newname /* New name */
+# define _IOT_ifreq _IOT(_IOTS(struct ifreq),1,0,0,0,0) /* not right */
/* Structure used in SIOCGIFCONF request. Used to retrieve interface
struct ifreq *ifcu_req;
} ifc_ifcu;
};
-#define ifc_buf ifc_ifcu.ifcu_buf /* Buffer address. */
-#define ifc_req ifc_ifcu.ifcu_req /* Array of structures. */
-#define _IOT_ifconf _IOT(_IOTS(struct ifconf),1,0,0,0,0) /* not right */
+# define ifc_buf ifc_ifcu.ifcu_buf /* Buffer address. */
+# define ifc_req ifc_ifcu.ifcu_req /* Array of structures. */
+# define _IOT_ifconf _IOT(_IOTS(struct ifconf),1,0,0,0,0) /* not right */
+#endif /* Misc. */
__BEGIN_DECLS
/* Convert an interface name to an index, and vice versa. */
-
extern unsigned int if_nametoindex (__const char *__ifname) __THROW;
extern char *if_indextoname (unsigned int __ifindex, char *__ifname) __THROW;
/* Return a list of all interfaces and their indices. */
-
-struct if_nameindex
- {
- unsigned int if_index; /* 1, 2, ... */
- char *if_name; /* null terminated name: "eth0", ... */
- };
-
extern struct if_nameindex *if_nameindex (void) __THROW;
/* Free the data returned from if_nameindex. */
-
extern void if_freenameindex (struct if_nameindex *__ptr) __THROW;
__END_DECLS
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