XT_U32_MAXSIZE 31 include/uapi/linux/netfilter/xt_u32.h struct xt_u32_location_element location[XT_U32_MAXSIZE+1]; XT_U32_MAXSIZE 32 include/uapi/linux/netfilter/xt_u32.h struct xt_u32_value_element value[XT_U32_MAXSIZE+1]; XT_U32_MAXSIZE 38 include/uapi/linux/netfilter/xt_u32.h struct xt_u32_test tests[XT_U32_MAXSIZE+1];