[pxe] Split out platform-independent portions of cachedhcp.c

Split out the portions of cachedhcp.c that can be shared between BIOS
and UEFI (both of which can provide a buffer containing a previously
obtained DHCP packet, and neither of which provide a means to
determine the length of this DHCP packet).

Signed-off-by: Michael Brown <mcb30@ipxe.org>
4 files changed
tree: 5bfd66f170528a5856b0314c0c4cef9a02116a93
  1. .github/
  2. contrib/
  3. src/
  4. COPYING
  5. COPYING.GPLv2
  6. COPYING.UBDL
  7. README