[tipc-discussion] [PATCH net-next 1/3] tipc: Add a new flag bit to indicate bclink sync protocol is supported

[Ying X. <yin...@wi...>]

Use the bit 14 in word 5 of LINK_PROTOCOL message header to indicate
whether the new enhanced broadcast synchronization mechanism is
supported.

Signed-off-by: Ying Xue <yin...@wi...>
---
 net/tipc/msg.h |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index ba2a72b..c832ae5 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -670,6 +670,16 @@ static inline void msg_set_redundant_link(struct tipc_msg *m, u32 r)
 	msg_set_bits(m, 5, 12, 0x1, r);
 }
 
+static inline u32 msg_bclink_sync(struct tipc_msg *m)
+{
+	return msg_bits(m, 5, 14, 0x1);
+}
+
+static inline void msg_set_bclink_sync(struct tipc_msg *m, u32 n)
+{
+	msg_set_bits(m, 5, 14, 0x1, n);
+}
+
 static inline char *msg_media_addr(struct tipc_msg *m)
 {
 	return (char *)&m->hdr[TIPC_MEDIA_ADDR_OFFSET];
-- 
1.7.1