tipc: fix broadcast link synchronization problem

[cascardo/linux.git] / net / tipc / msg.h

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index c3832cd..50a7398 100644 (file)
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -714,6 +714,23 @@ static inline void msg_set_peer_stopping(struct tipc_msg *m, u32 s)
        msg_set_bits(m, 5, 13, 0x1, s);
 }
 
+static inline bool msg_bc_ack_invalid(struct tipc_msg *m)
+{
+       switch (msg_user(m)) {
+       case BCAST_PROTOCOL:
+       case NAME_DISTRIBUTOR:
+       case LINK_PROTOCOL:
+               return msg_bits(m, 5, 14, 0x1);
+       default:
+               return false;
+       }
+}
+
+static inline void msg_set_bc_ack_invalid(struct tipc_msg *m, bool invalid)
+{
+       msg_set_bits(m, 5, 14, 0x1, invalid);
+}
+
 static inline char *msg_media_addr(struct tipc_msg *m)
 {
        return (char *)&m->hdr[TIPC_MEDIA_INFO_OFFSET];