tipc: add bearer get/dump to new netlink api

Add TIPC_NL_BEARER_GET command to the new tipc netlink API.

This command supports dumping all data about all bearers or getting
all information about a specific bearer.

The information about a bearer includes name, link priorities and
domain.

Netlink logical layout of bearer get message:
-> bearer
    -> name

Netlink logical layout of returned bearer information:
-> bearer
    -> name
    -> link properties
        -> priority
        -> tolerance
        -> window
    -> domain

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index af506ae0a129..0c00422512fa 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -112,6 +112,12 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
                 .cmd    = TIPC_NL_BEARER_ENABLE,
                 .doit   = tipc_nl_bearer_enable,
                 .policy = tipc_nl_policy,
+        },
+        {
+                .cmd    = TIPC_NL_BEARER_GET,
+                .doit   = tipc_nl_bearer_get,
+                .dumpit = tipc_nl_bearer_dump,
+                .policy = tipc_nl_policy,
         }
 };