IPTOS

pub const IPTOS = struct {
    pub const TOS_MASK = 0x1e;
    pub fn TOS(t: anytype) @TypeOf(t) {
        return t & TOS_MASK;
    }

    pub const MINCOST = 0x02;
    pub const RELIABILITY = 0x04;
    pub const THROUGHPUT = 0x08;
    pub const LOWDELAY = 0x10;

    pub const PREC_MASK = 0xe0;
    pub fn PREC(t: anytype) @TypeOf(t) {
        return t & PREC_MASK;
    }

    pub const PREC_ROUTINE = 0x00;
    pub const PREC_PRIORITY = 0x20;
    pub const PREC_IMMEDIATE = 0x40;
    pub const PREC_FLASH = 0x60;
    pub const PREC_FLASHOVERRIDE = 0x80;
    pub const PREC_CRITIC_ECP = 0xa0;
    pub const PREC_INTERNETCONTROL = 0xc0;
    pub const PREC_NETCONTROL = 0xe0;
}