diff options
| -rw-r--r-- | net/dccp/dccp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index b8931d33bec..a5c5475724c 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -81,6 +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 */ |