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tipc: introduce UDP replicast

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This patch introduces UDP replicast. A concept where we emulate
multicast by sending multiple unicast messages to configured peers.

The purpose of replicast is mainly to be able to use TIPC in cloud
environments where IP multicast is disabled. Using replicas to unicast
multicast messages is costly as we have to copy each skb and send the
copies individually.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe 2016-08-26 10:52:53 +02:00 • committed by David S. Miller
parent 1ca73e3fa1
commit ef20cd4dd1
6 changed files with 201 additions and 12 deletions
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1
include/uapi/linux/tipc_netlink.h
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@ -60,6 +60,7 @@ enum {
TIPC_NL_MON_GET,
TIPC_NL_MON_PEER_GET,
TIPC_NL_PEER_REMOVE,
TIPC_NL_BEARER_ADD,
__TIPC_NL_CMD_MAX,
TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1