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Diffstat (limited to 'include/uapi/linux/in6.h')
-rw-r--r--include/uapi/linux/in6.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
index 318a4828bf98..b39ea4f2e701 100644
--- a/include/uapi/linux/in6.h
+++ b/include/uapi/linux/in6.h
@@ -143,6 +143,7 @@ struct in6_flowlabel_req {
#define IPV6_TLV_PAD1 0
#define IPV6_TLV_PADN 1
#define IPV6_TLV_ROUTERALERT 5
+#define IPV6_TLV_CALIPSO 7 /* RFC 5570 */
#define IPV6_TLV_JUMBO 194
#define IPV6_TLV_HAO 201 /* home address option */