if.h File Reference

Network interface header file. More...

#include <stdint.h>

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Data Structures
struct	ifreq
	Interface request structure used for socket ioctl's. More...
Defines
#define	IF_NAMESIZE   8
	Length of interface name, including terminating zero character.
Interface Flags
#define	IFF_UP   0x00000001
	Interface is up.
#define	IFF_BROADCAST   0x00000002
	Broadcast address valid.
#define	IFF_DEBUG   0x00000004
	Turn on debugging.
#define	IFF_LOOPBACK   0x00000008
	Is a loopback net.
#define	IFF_POINTOPOINT   0x00000010
	Is a point-to-point link.
#define	IFF_NOARP   0x00000080
	No address resolution protocol.
#define	IFF_PROMISC   0x00000100
	Receive all packets.
#define	IFF_ALLMULTI   0x00000200
	Receive all multicast packets.
#define	IFF_DRV_OACTIVE   0x00000400
	Transmit hardware queue is full.
#define	IFF_SIMPLEX   0x00000800
	Can't hear own transmissions.
#define	IFF_LINK0   0x00001000
	Per link layer defined bit.
#define	IFF_LINK1   0x00002000
	Per link layer defined bit.
#define	IFF_LINK2   0x00004000
	Per link layer defined bit.
#define	IFF_MULTICAST   0x00008000
	Supports multicast.
#define	IFF_PPROMISC   0x00020000
	User-requested promisc mode.
#define	IFF_MONITOR   0x00040000
	User-requested monitor mode.
#define	IFF_STATICARP   0x00080000
	Static ARP.
Interface Link State
#define	LINK_STATE_UNKNOWN   0
#define	LINK_STATE_DOWN   1
#define	LINK_STATE_UP   2

---

Detailed Description

Network interface header file.

 *
 * $Log$
 * Revision 1.2  2008/08/11 07:00:19  haraldkipp
 * BSD types replaced by stdint types (feature request #1282721).
 *
 * Revision 1.1  2007/05/02 11:15:31  haraldkipp
 * Socket ioctl functions added. Untested.
 *
 *
 * 

---

Define Documentation

#define IF_NAMESIZE   8

Length of interface name, including terminating zero character.

#define IFF_UP   0x00000001

Interface is up.

Referenced by NutNetIfConfig2().

#define IFF_BROADCAST   0x00000002

Broadcast address valid.

#define IFF_DEBUG   0x00000004

Turn on debugging.

#define IFF_LOOPBACK   0x00000008

Is a loopback net.

#define IFF_POINTOPOINT   0x00000010

Is a point-to-point link.

#define IFF_NOARP   0x00000080

No address resolution protocol.

#define IFF_PROMISC   0x00000100

Receive all packets.

#define IFF_ALLMULTI   0x00000200

Receive all multicast packets.

#define IFF_DRV_OACTIVE   0x00000400

Transmit hardware queue is full.

#define IFF_SIMPLEX   0x00000800

Can't hear own transmissions.

#define IFF_LINK0   0x00001000

Per link layer defined bit.

#define IFF_LINK1   0x00002000

Per link layer defined bit.

#define IFF_LINK2   0x00004000

Per link layer defined bit.

#define IFF_MULTICAST   0x00008000

Supports multicast.

#define IFF_PPROMISC   0x00020000

User-requested promisc mode.

#define IFF_MONITOR   0x00040000

User-requested monitor mode.

#define IFF_STATICARP   0x00080000

Static ARP.

#define LINK_STATE_UNKNOWN   0

#define LINK_STATE_DOWN   1

#define LINK_STATE_UP   2