tree d493c51cbc2bdf880e452f4a21430fbc47ee128e
parent fdb3accc2c15fabc2b687b2819da9167027c61b6
author Richard Alpe <richard.alpe@ericsson.com> 1472201576 +0200
committer David S. Miller <davem@davemloft.net> 1472272721 -0700

tipc: add UDP remoteip dump to netlink API

When using replicast a UDP bearer can have an arbitrary amount of
remote ip addresses associated with it. This means we cannot simply
add all remote ip addresses to an existing bearer data message as it
might fill the message, leaving us with a truncated message that we
can't safely resume. To handle this we introduce the new netlink
command TIPC_NL_UDP_GET_REMOTEIP. This command is intended to be
called when the bearer data message has the
TIPC_NLA_UDP_MULTI_REMOTEIP flag set, indicating there are more than
one remote ip (replicast).

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>