[TIPC]: Fixed link switchover bugs

Incorporates several related fixes:
- switchover now occurs when switching from an active link to a standby link
- failure of a standby link no longer initiates switchover
- links now display correct # of received packtes following reactivation

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/tipc/node.h b/net/tipc/node.h
index 781126e084ae..a07cc79ea637 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -51,6 +51,7 @@
  * @nsub: list of "node down" subscriptions monitoring node
  * @active_links: pointers to active links to node
  * @links: pointers to all links to node
+ * @working_links: number of working links to node (both active and standby)
  * @link_cnt: number of links to node
  * @permit_changeover: non-zero if node has redundant links to this system
  * @routers: bitmap (used for multicluster communication)
@@ -76,6 +77,7 @@ struct node {
         struct link *active_links[2];
         struct link *links[MAX_BEARERS];
         int link_cnt;
+        int working_links;
         int permit_changeover;
         u32 routers[512/32];
         int last_router;