diff --git a/libc/kernel/uapi/linux/ipv6.h b/libc/kernel/uapi/linux/ipv6.h
index 438cacc..14c818c 100644
--- a/libc/kernel/uapi/linux/ipv6.h
+++ b/libc/kernel/uapi/linux/ipv6.h
@@ -144,6 +144,9 @@
   DEVCONF_NDISC_TCLASS,
   DEVCONF_RPL_SEG_ENABLED,
   DEVCONF_RA_DEFRTR_METRIC,
+  DEVCONF_IOAM6_ENABLED,
+  DEVCONF_IOAM6_ID,
+  DEVCONF_IOAM6_ID_WIDE,
   DEVCONF_MAX
 };
 #endif