if.h

这是一个符合posix.13 pse51的实时内核

#ifndef __IF__
#define __IF__

#include <linux/compatib.h>

/* Standard interface flags. */
#define	IFF_UP		0x1		/* interface is up		*/
#define	IFF_BROADCAST	0x2		/* broadcast address valid	*/
#define	IFF_DEBUG	0x4		/* turn on debugging		*/
#define	IFF_LOOPBACK	0x8		/* is a loopback net		*/
#define	IFF_POINTOPOINT	0x10		/* interface is has p-p link	*/
#define	IFF_NOTRAILERS	0x20		/* avoid use of trailers	*/
#define	IFF_RUNNING	0x40		/* resources allocated		*/
#define	IFF_NOARP	0x80		/* no ARP protocol		*/
#define	IFF_PROMISC	0x100		/* receive all packets		*/
/* Not supported */
#define	IFF_ALLMULTI	0x200		/* receive all multicast packets*/

#define IFF_MASTER	0x400		/* master of a load balancer 	*/
#define IFF_SLAVE	0x800		/* slave of a load balancer	*/

#define IFF_MULTICAST	0x1000		/* Supports multicast		*/


struct ifmap 
{
	unsigned long mem_start;
	unsigned long mem_end;
	unsigned short base_addr; 
	unsigned char irq;
	unsigned char dma;
	unsigned char port;
	/* 3 bytes spare */
};

#endif