[IPV6] MIP6: Add receiving mobility header functions through raw socket.

Like ICMPv6, mobility header is handled through raw socket.
In inbound case, check only whether ICMPv6 error should be sent as a reply
or not by kernel.
Based on MIPL2 kernel patch.

This patch was also written by: Ville Nuorvala <[email protected]>
This patch was also written by: Antti Tuominen <[email protected]>

Signed-off-by: Masahide NAKAMURA <[email protected]>
Signed-off-by: YOSHIFUJI Hideaki <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
3 files changed