Edit File: xt_tcpmss.h
#ifndef _XT_TCPMSS_MATCH_H #define _XT_TCPMSS_MATCH_H #include <linux/types.h> struct xt_tcpmss_match_info { __u16 mss_min, mss_max; __u8 invert; }; #endif /*_XT_TCPMSS_MATCH_H*/