X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=net%2Fdccp%2Fdccp.h;fp=net%2Fdccp%2Fdccp.h;h=a5c5475724c0bf56f97348dcd40d2b5ebeed912e;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=1fe509148689d4d0ddd063e94683e3d32c8dfe9f;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 1fe509148..a5c547572 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -5,14 +5,13 @@
  *
  *  An implementation of the DCCP protocol
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005-6 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *
  *	This program is free software; you can redistribute it and/or modify it
  *	under the terms of the GNU General Public License version 2 as
  *	published by the Free Software Foundation.
  */
 
-#include <linux/config.h>
 #include <linux/dccp.h>
 #include <net/snmp.h>
 #include <net/sock.h>
@@ -82,6 +81,14 @@ static inline u64 max48(const u64 seq1, const u64 seq2)
 	return after48(seq1, seq2) ? seq1 : seq2;
 }
 
+/* is seq1 next seqno after seq2 */
+static inline int follows48(const u64 seq1, const u64 seq2)
+{
+	int diff = (seq1 & 0xFFFF) - (seq2 & 0xFFFF);
+
+	return diff==1;
+}
+
 enum {
 	DCCP_MIB_NUM = 0,
 	DCCP_MIB_ACTIVEOPENS,			/* ActiveOpens */