diff --git a/libc/kernel/common/linux/in6.h b/libc/kernel/common/linux/in6.h
new file mode 100644
index 0000000..ceaeb7d
--- /dev/null
+++ b/libc/kernel/common/linux/in6.h
@@ -0,0 +1,158 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_IN6_H
+#define _LINUX_IN6_H
+
+#include <linux/types.h>
+
+struct in6_addr
+{
+ union
+ {
+ __u8 u6_addr8[16];
+ __u16 u6_addr16[8];
+ __u32 u6_addr32[4];
+ } in6_u;
+#define s6_addr in6_u.u6_addr8
+#define s6_addr16 in6_u.u6_addr16
+#define s6_addr32 in6_u.u6_addr32
+};
+
+#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+
+struct sockaddr_in6 {
+ unsigned short int sin6_family;
+ __u16 sin6_port;
+ __u32 sin6_flowinfo;
+ struct in6_addr sin6_addr;
+ __u32 sin6_scope_id;
+};
+
+struct ipv6_mreq {
+
+ struct in6_addr ipv6mr_multiaddr;
+
+ int ipv6mr_ifindex;
+};
+
+#define ipv6mr_acaddr ipv6mr_multiaddr
+
+struct in6_flowlabel_req
+{
+ struct in6_addr flr_dst;
+ __u32 flr_label;
+ __u8 flr_action;
+ __u8 flr_share;
+ __u16 flr_flags;
+ __u16 flr_expires;
+ __u16 flr_linger;
+ __u32 __flr_pad;
+
+};
+
+#define IPV6_FL_A_GET 0
+#define IPV6_FL_A_PUT 1
+#define IPV6_FL_A_RENEW 2
+
+#define IPV6_FL_F_CREATE 1
+#define IPV6_FL_F_EXCL 2
+
+#define IPV6_FL_S_NONE 0
+#define IPV6_FL_S_EXCL 1
+#define IPV6_FL_S_PROCESS 2
+#define IPV6_FL_S_USER 3
+#define IPV6_FL_S_ANY 255
+
+#define IPV6_FLOWINFO_FLOWLABEL 0x000fffff
+#define IPV6_FLOWINFO_PRIORITY 0x0ff00000
+
+#define IPV6_PRIORITY_UNCHARACTERIZED 0x0000
+#define IPV6_PRIORITY_FILLER 0x0100
+#define IPV6_PRIORITY_UNATTENDED 0x0200
+#define IPV6_PRIORITY_RESERVED1 0x0300
+#define IPV6_PRIORITY_BULK 0x0400
+#define IPV6_PRIORITY_RESERVED2 0x0500
+#define IPV6_PRIORITY_INTERACTIVE 0x0600
+#define IPV6_PRIORITY_CONTROL 0x0700
+#define IPV6_PRIORITY_8 0x0800
+#define IPV6_PRIORITY_9 0x0900
+#define IPV6_PRIORITY_10 0x0a00
+#define IPV6_PRIORITY_11 0x0b00
+#define IPV6_PRIORITY_12 0x0c00
+#define IPV6_PRIORITY_13 0x0d00
+#define IPV6_PRIORITY_14 0x0e00
+#define IPV6_PRIORITY_15 0x0f00
+
+#define IPPROTO_HOPOPTS 0  
+#define IPPROTO_ROUTING 43  
+#define IPPROTO_FRAGMENT 44  
+#define IPPROTO_ICMPV6 58  
+#define IPPROTO_NONE 59  
+#define IPPROTO_DSTOPTS 60  
+
+#define IPV6_TLV_PAD0 0
+#define IPV6_TLV_PADN 1
+#define IPV6_TLV_ROUTERALERT 5
+#define IPV6_TLV_JUMBO 194
+
+#define IPV6_ADDRFORM 1
+#define IPV6_2292PKTINFO 2
+#define IPV6_2292HOPOPTS 3
+#define IPV6_2292DSTOPTS 4
+#define IPV6_2292RTHDR 5
+#define IPV6_2292PKTOPTIONS 6
+#define IPV6_CHECKSUM 7
+#define IPV6_2292HOPLIMIT 8
+#define IPV6_NEXTHOP 9
+#define IPV6_AUTHHDR 10  
+#define IPV6_FLOWINFO 11
+
+#define IPV6_UNICAST_HOPS 16
+#define IPV6_MULTICAST_IF 17
+#define IPV6_MULTICAST_HOPS 18
+#define IPV6_MULTICAST_LOOP 19
+#define IPV6_ADD_MEMBERSHIP 20
+#define IPV6_DROP_MEMBERSHIP 21
+#define IPV6_ROUTER_ALERT 22
+#define IPV6_MTU_DISCOVER 23
+#define IPV6_MTU 24
+#define IPV6_RECVERR 25
+#define IPV6_V6ONLY 26
+#define IPV6_JOIN_ANYCAST 27
+#define IPV6_LEAVE_ANYCAST 28
+
+#define IPV6_PMTUDISC_DONT 0
+#define IPV6_PMTUDISC_WANT 1
+#define IPV6_PMTUDISC_DO 2
+
+#define IPV6_FLOWLABEL_MGR 32
+#define IPV6_FLOWINFO_SEND 33
+
+#define IPV6_IPSEC_POLICY 34
+#define IPV6_XFRM_POLICY 35
+
+#define IPV6_RECVPKTINFO 49
+#define IPV6_PKTINFO 50
+#define IPV6_RECVHOPLIMIT 51
+#define IPV6_HOPLIMIT 52
+#define IPV6_RECVHOPOPTS 53
+#define IPV6_HOPOPTS 54
+#define IPV6_RTHDRDSTOPTS 55
+#define IPV6_RECVRTHDR 56
+#define IPV6_RTHDR 57
+#define IPV6_RECVDSTOPTS 58
+#define IPV6_DSTOPTS 59
+
+#define IPV6_RECVTCLASS 66
+#define IPV6_TCLASS 67
+
+#endif