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 <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, 12 insertions, 0 deletions

diff --git a/include/uapi/linux/tipc_netlink.h b/include/uapi/linux/tipc_netlink.h
index 43beef28d67f..08a793374e8c 100644
--- a/include/uapi/linux/tipc_netlink.h
+++ b/include/uapi/linux/tipc_netlink.h
@@ -52,6 +52,7 @@ enum {
         TIPC_NL_LINK_RESET_STATS,
         TIPC_NL_MEDIA_GET,
         TIPC_NL_MEDIA_SET,
+        TIPC_NL_NODE_GET,
 
         __TIPC_NL_CMD_MAX,
         TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1
@@ -65,6 +66,7 @@ enum {
         TIPC_NLA_PUBL,                  /* nest */
         TIPC_NLA_LINK,                  /* nest */
         TIPC_NLA_MEDIA,                 /* nest */
+        TIPC_NLA_NODE,                  /* nest */
 
         __TIPC_NLA_MAX,
         TIPC_NLA_MAX = __TIPC_NLA_MAX - 1
@@ -121,6 +123,16 @@ enum {
         TIPC_NLA_MEDIA_MAX = __TIPC_NLA_MEDIA_MAX - 1
 };
 
+/* Node info */
+enum {
+        TIPC_NLA_NODE_UNSPEC,
+        TIPC_NLA_NODE_ADDR,             /* u32 */
+        TIPC_NLA_NODE_UP,               /* flag */
+
+        __TIPC_NLA_NODE_MAX,
+        TIPC_NLA_NODE_MAX = __TIPC_NLA_NODE_MAX - 1
+};
+
 /* Publication info */
 enum {
         TIPC_NLA_PUBL_UNSPEC,