tipc: add node get/dump to new netlink api

Add TIPC_NL_NODE_GET to the new tipc netlink API.

This command can dump the address and node status of all nodes in the
tipc cluster.

Netlink logical layout of returned node/address data:
-> node
    -> address
    -> up flag

Signed-off-by: Richard Alpe <[email protected]>
Reviewed-by: Erik Hugne <[email protected]>
Reviewed-by: Jon Maloy <[email protected]>
Acked-by: Ying Xue <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

1 files changed, 7 insertions, 0 deletions

diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index 8673e370b7ed..5b0e3c8457d2 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -39,6 +39,7 @@
 #include "socket.h"
 #include "bearer.h"
 #include "link.h"
+#include "node.h"
 #include <net/genetlink.h>
 
 static int handle_cmd(struct sk_buff *skb, struct genl_info *info)
@@ -78,6 +79,7 @@ static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = {
 	[TIPC_NLA_PUBL]		= { .type = NLA_NESTED, },
 	[TIPC_NLA_LINK]		= { .type = NLA_NESTED, },
 	[TIPC_NLA_MEDIA]	= { .type = NLA_NESTED, },
+	[TIPC_NLA_NODE]		= { .type = NLA_NESTED, }
 };
 
 /* Legacy ASCII API */
@@ -166,6 +168,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
 		.cmd	= TIPC_NL_MEDIA_SET,
 		.doit	= tipc_nl_media_set,
 		.policy = tipc_nl_policy,
+	},
+	{
+		.cmd	= TIPC_NL_NODE_GET,
+		.dumpit	= tipc_nl_node_dump,
+		.policy = tipc_nl_policy,
 	}
 };