awl_checksum.h

数据转发,可以根据需要动态改变 阅读您的文件包然后写出其具体功能

#ifndef _AWL_CHECKSUM_H
#define _AWL_CHECKSUM_H

struct tcp_fake_header {
	unsigned long saddr;
	unsigned long daddr;
	char mbz;
	char proto;
	unsigned short header_len;
};


unsigned int inline tcp_checksum(unsigned long saddr,
   								unsigned long daddr,
								unsigned short *buffer,
								int size);
unsigned int inline ip_checksum(unsigned short *buffer,int size);

#endif /* _AWL_CHECKSUM_H */