This adds a new function to see if two sequence numbers follow each other.
Signed off by: Ian McDonald <[EMAIL PROTECTED]>
---
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index b8931d3..84b477d 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -81,6 +81,14 @@ static inline u64 max48(const u64 seq1,
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 */
-
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