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-rw-r--r--include/net/ndisc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 366150053043..b2f715ca0567 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -40,6 +40,7 @@ enum {
ND_OPT_RDNSS = 25, /* RFC5006 */
ND_OPT_DNSSL = 31, /* RFC6106 */
ND_OPT_6CO = 34, /* RFC6775 */
+ ND_OPT_CAPTIVE_PORTAL = 37, /* RFC7710 */
__ND_OPT_MAX
};