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[TIPC]: Added subscription cancellation capability

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This patch allows a TIPC application to cancel an existing
topology service subscription by re-requesting the subscription
with the TIPC_SUB_CANCEL filter bit set.  (All other bits of
the cancel request must match the original subscription request.)

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>
This commit is contained in:
Lijun Chen
2006-10-16 21:59:42 -07:00
committed by David S. Miller
parent fc144deec6
commit eb409460b1
2 changed files with 85 additions and 15 deletions
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1
include/linux/tipc.h
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@@ -129,6 +129,7 @@ static inline unsigned int tipc_node(__u32 addr)
#define TIPC_SUB_PORTS 0x01 /* filter for port availability */
#define TIPC_SUB_SERVICE 0x02 /* filter for service availability */
#define TIPC_SUB_CANCEL 0x04 /* cancel a subscription */
#if 0
/* The following filter options are not currently implemented */
#define TIPC_SUB_NO_BIND_EVTS 0x04 /* filter out "publish" events */