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-rw-r--r--include/netinet/in.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/netinet/in.h b/include/netinet/in.h
index 89188c78..4b3f2b0b 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -358,6 +358,7 @@ struct ip6_mtuinfo
 #define IPV6_DONTFRAG           62
 #define IPV6_RECVTCLASS         66
 #define IPV6_TCLASS             67
+#define IPV6_AUTOFLOWLABEL      70
 #define IPV6_ADDR_PREFERENCES   72
 #define IPV6_MINHOPCOUNT        73
 #define IPV6_ORIGDSTADDR        74