tipc: Add support for customized subscription endianness

This patch enables TIPC's topology server code to do customized
endianness conversions on a per-subscription basis.  (This
capability is needed to support the upcoming consolidation of
subscriber and subscription object references.)

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h
index d955368..3e3e026 100644
--- a/net/tipc/subscr.h
+++ b/net/tipc/subscr.h
@@ -49,6 +49,7 @@
  * @timeout: duration of subscription (in ms)
  * @filter: event filtering to be done for subscription
  * @event_cb: routine invoked when a subscription event is detected
+ * @swap: indicates if subscriber uses opposite endianness in its messages
  * @evt: template for events generated by subscription
  * @subscription_list: adjacent subscriptions in subscriber's subscription list
  * @nameseq_list: adjacent subscriptions in name sequence's subscription list
@@ -61,6 +62,7 @@
 	u32 timeout;
 	u32 filter;
 	tipc_subscr_event event_cb;
+	int swap;
 	struct tipc_event evt;
 	struct list_head subscription_list;
 	struct list_head nameseq_list;