diff --git a/libc/kernel/uapi/linux/ipv6.h b/libc/kernel/uapi/linux/ipv6.h
index ff345a6..7cd6cb0 100644
--- a/libc/kernel/uapi/linux/ipv6.h
+++ b/libc/kernel/uapi/linux/ipv6.h
@@ -43,6 +43,7 @@
 #define IPV6_SRCRT_STRICT 0x01
 #define IPV6_SRCRT_TYPE_0 0
 #define IPV6_SRCRT_TYPE_2 2
+#define IPV6_SRCRT_TYPE_3 3
 #define IPV6_SRCRT_TYPE_4 4
 struct ipv6_rt_hdr {
   __u8 nexthdr;
@@ -141,6 +142,7 @@
   DEVCONF_DISABLE_POLICY,
   DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
   DEVCONF_NDISC_TCLASS,
+  DEVCONF_RPL_SEG_ENABLED,
   DEVCONF_MAX
 };
 #endif