IP豹纹分段和重组模拟程序关键数据结构

struct msg_buff
{
u8 *data;
int msg_len;
#ifdef FORWARDER
struct sockaddr_in sk_addr;
#endif
u16 offset;
u16 PREV_OLAP;
u16 NEXT_OLAP;
struct msg_buff *next;
struct list_head list;
}