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authorJon Maloy <jon.maloy@ericsson.com>2017-10-13 12:04:27 +0300
committerDavid S. Miller <davem@davemloft.net>2017-10-13 18:46:00 +0300
commit27bd9ec027f396457d1a147043c92ff22fc4c71e (patch)
tree70ab55c12326ac70a33e9650d9760c17072d01ff /net/tipc/msg.h
parentb7d42635517fde2b095deddd0fba37be2302a285 (diff)
downloadlinux-27bd9ec027f396457d1a147043c92ff22fc4c71e.tar.xz
tipc: introduce group unicast messaging
We now make it possible to send connectionless unicast messages within a communication group. To send a message, the sender can use either a direct port address, aka port identity, or an indirect port name to be looked up. This type of messages are subject to the same start synchronization and flow control mechanism as group broadcast messages. Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/msg.h')
-rw-r--r--net/tipc/msg.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 237d007499f9..f5033f4a7951 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -67,6 +67,7 @@ struct plist;
#define TIPC_DIRECT_MSG 3
#define TIPC_GRP_MEMBER_EVT 4
#define TIPC_GRP_BCAST_MSG 5
+#define TIPC_GRP_UCAST_MSG 6
/*
* Internal message users
@@ -261,7 +262,7 @@ static inline int msg_in_group(struct tipc_msg *m)
{
int mtyp = msg_type(m);
- return (mtyp == TIPC_GRP_BCAST_MSG) || (mtyp == TIPC_GRP_MEMBER_EVT);
+ return mtyp >= TIPC_GRP_MEMBER_EVT && mtyp <= TIPC_GRP_UCAST_MSG;
}
static inline bool msg_is_grp_evt(struct tipc_msg *m)