[tftp] Explicitly abort connection whenever parent interface is closed

Fetching the TFTP file size is currently implemented via a custom
"tftpsize://" protocol hack.  Generalise this approach to instead
close the TFTP connection whenever the parent data-transfer interface
is closed.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2 files changed
tree: ad86235986f8e37da0a9cd249017ab84032aed60
  1. contrib/
  2. src/
  3. COPYING
  4. COPYRIGHTS
  5. README