#include <linux/types.h> #define XT_CONNLABEL_MAXBIT 127 enum xt_connlabel_mtopts { XT_CONNLABEL_OP_INVERT = 1 << 0, XT_CONNLABEL_OP_SET = 1 << 1, }; struct xt_connlabel_mtinfo { __u16 bit; __u16 options; };