Method set_mtu

net_util/src/tap.rs:442–450

(&self, mtu: i32)

    }

    pub fn set_mtu(&self, mtu: i32) -> Result<()> {
        let sock = create_unix_socket().map_err(Error::NetUtil)?;

        let mut ifreq = self.get_ifreq();
        ifreq.ifr_ifru.ifru_mtu = mtu;

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

    /// Set the offload flags for the tap interface.
    pub fn set_offload(&self, flags: c_uint) -> Result<()> {