Method mtu

net_util/src/tap.rs:422–434

(&self)

    #[cfg(not(fuzzing))]
    pub fn mtu(&self) -> Result<i32> {
        let sock = create_unix_socket().map_err(Error::NetUtil)?;

        let ifreq = self.get_ifreq();

        // SAFETY: ioctl is safe. Called with a valid sock fd, and we check the return.
        unsafe { Self::ioctl_with_ref(&sock, libc::SIOCGIFMTU as c_ulong, &ifreq)? };

        // SAFETY: access a union field
        let mtu = unsafe { ifreq.ifr_ifru.ifru_mtu };

        Ok(mtu)
    }

    #[cfg(fuzzing)]
    pub fn mtu(&self) -> Result<i32> {