rawtx.h.1

实现一个网卡到内存空间的零拷贝程序

/*
 *  rawtx.h
 *  Joris van Rantwijk, May 2001.
 *
 *  Desperate attempt to implement a quick-and-dirty zero-copy
 *  networking interface in the Linux kernel.
 */

#include <linux/types.h>
#include <linux/unistd.h>

#define __NR_rawtx	230

#ifndef __KERNEL__
typedef unsigned long u32;
#endif

static inline _syscall4(int,rawtx,unsigned char *,saddr,unsigned char *,daddr,void *,buf,size_t,len);

/* end */