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-rw-r--r--include/net/ipv6.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index f3c9857c645d..d0aeb97aec5d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -835,6 +835,12 @@ static inline u8 ip6_tclass(__be32 flowinfo)
{
return ntohl(flowinfo & IPV6_TCLASS_MASK) >> IPV6_TCLASS_SHIFT;
}
+
+static inline __be32 ip6_make_flowinfo(unsigned int tclass, __be32 flowlabel)
+{
+ return htonl(tclass << IPV6_TCLASS_SHIFT) | flowlabel;
+}
+
/*
* Prototypes exported by ipv6
*/