gtp: pass up link local traffic to userspace socket

According to TS 29.061, it is possible to see IPv6 link-local traffic in
the GTP tunnel, see 11.2.1.3.2 IPv6 Stateless Address Autoconfiguration
(IPv6 SLAAC).

Pass up these packets to the userspace daemon to handle them as control
GTP traffic.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed