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tipc: introduce new capability flag for cluster

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As a preparation for introducing a smooth switching between replicast
and broadcast method for multicast message, We have to introduce a new
capability flag TIPC_MCAST_RBCTL to handle this new feature.

During a cluster upgrade a node can come back with this new capabilities
which also must be reflected in the cluster capabilities field.
The new feature is only applicable if all node in the cluster supports
this new capability.

Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hoang Le
2019-03-19 18:49:49 +07:00
committed by David S. Miller
parent 02ec6cafd7
commit ff2ebbfba6
4 changed files with 27 additions and 2 deletions
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6
net/tipc/node.h
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@@ -51,7 +51,8 @@ enum {
TIPC_BLOCK_FLOWCTL = (1 << 3),
TIPC_BCAST_RCAST = (1 << 4),
TIPC_NODE_ID128 = (1 << 5),
TIPC_LINK_PROTO_SEQNO = (1 << 6)
TIPC_LINK_PROTO_SEQNO = (1 << 6),
TIPC_MCAST_RBCTL = (1 << 7)
};
#define TIPC_NODE_CAPABILITIES (TIPC_SYN_BIT | \
@@ -60,7 +61,8 @@ enum {
TIPC_BCAST_RCAST | \
TIPC_BLOCK_FLOWCTL | \
TIPC_NODE_ID128 | \
TIPC_LINK_PROTO_SEQNO)
TIPC_LINK_PROTO_SEQNO | \
TIPC_MCAST_RBCTL)
#define INVALID_BEARER_ID -1
void tipc_node_stop(struct net *net);