ipaccess: Add a function to prepend the osmocom ext header

* include/openbsc/ipaccess.h: Reserve a protocol number for control
  commands
* input/ipaccess.c: New function ipaccess_prepend_header_ext prepends
  the extension header
2 files changed
tree: e34f68b1e008fefc32201701f911564f6685caec
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README