SGSN: Implement network-initiated PDP CTX DEACT when GGSN restarts

If the GGSN restarts, its restart counter will increase.  We can
detect that and accordingly release/delete all PDP contexts for
that GGSN.
5 files changed
tree: d41b0f0bf4756737e0aa896b50c21f21e1fc7263
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/