IPACM: Fix AP+STA mode FTP loca-subnet disconnect issue

In AP+STA mode, usb-client can download FTP if FTP server
outside the subnet of external AP. However if the FTP server
is insided the same subnet as external-AP, the FTP download
will failed, also TCP UL/DL is not working properly. The fix
is to construct headers/routing rules for each wifi-client
which is connected to the same external AP's subnet.

Change-Id: I839d33d34b4fd544381b9cf7bd2ba20b51a17551
7 files changed
tree: da1ebddc22b24429a805a2ffb487c6ebdd4efd3c
  1. ipacm/
  2. ipanat/
  3. configure.ac
  4. Makefile.am