From 14c04493cb77bc38404dbcb39d5ccbb667831ad7 Mon Sep 17 00:00:00 2001
From: Jon Maloy <jon.maloy@ericsson.com>
Date: Fri, 13 Oct 2017 11:04:17 +0200
Subject: tipc: add ability to order and receive topology events in driver

As preparation for introducing communication groups, we add the ability
to issue topology subscriptions and receive topology events from kernel
space. This will make it possible for group member sockets to keep track
of other group members.

Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/tipc/msg.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'net/tipc/msg.h')

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index c843fd2bc48d..d058b1c464e9 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -78,6 +78,7 @@ struct plist;
 #define  MSG_FRAGMENTER       12
 #define  LINK_CONFIG          13
 #define  SOCK_WAKEUP          14       /* pseudo user */
+#define  TOP_SRV              15       /* pseudo user */
 
 /*
  * Message header sizes
-- 
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