diff --git a/libc/kernel/common/linux/mroute6.h b/libc/kernel/common/linux/mroute6.h
new file mode 100644
index 0000000..2b151b9
--- /dev/null
+++ b/libc/kernel/common/linux/mroute6.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_MROUTE6_H
+#define __LINUX_MROUTE6_H
+
+#include <linux/types.h>
+#include <linux/sockios.h>
+
+#define MRT6_BASE 200
+#define MRT6_INIT (MRT6_BASE)  
+#define MRT6_DONE (MRT6_BASE+1)  
+#define MRT6_ADD_MIF (MRT6_BASE+2)  
+#define MRT6_DEL_MIF (MRT6_BASE+3)  
+#define MRT6_ADD_MFC (MRT6_BASE+4)  
+#define MRT6_DEL_MFC (MRT6_BASE+5)  
+#define MRT6_VERSION (MRT6_BASE+6)  
+#define MRT6_ASSERT (MRT6_BASE+7)  
+#define MRT6_PIM (MRT6_BASE+8)  
+#define MRT6_TABLE (MRT6_BASE+9)  
+
+#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE  
+#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
+#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
+
+#define MAXMIFS 32
+typedef unsigned long mifbitmap_t;
+typedef unsigned short mifi_t;
+#define ALL_MIFS ((mifi_t)(-1))
+
+#ifndef IF_SETSIZE
+#define IF_SETSIZE 256
+#endif
+
+typedef __u32 if_mask;
+#define NIFBITS (sizeof(if_mask) * 8)  
+
+#ifndef DIV_ROUND_UP
+#define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y))
+#endif
+
+typedef struct if_set {
+ if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
+} if_set;
+
+#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
+#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
+#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
+#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
+#define IF_ZERO(p) bzero(p, sizeof(*(p)))
+
+struct mif6ctl {
+ mifi_t mif6c_mifi;
+ unsigned char mif6c_flags;
+ unsigned char vifc_threshold;
+ __u16 mif6c_pifi;
+ unsigned int vifc_rate_limit;
+};
+
+#define MIFF_REGISTER 0x1  
+
+struct mf6cctl {
+ struct sockaddr_in6 mf6cc_origin;
+ struct sockaddr_in6 mf6cc_mcastgrp;
+ mifi_t mf6cc_parent;
+ struct if_set mf6cc_ifset;
+};
+
+struct sioc_sg_req6 {
+ struct sockaddr_in6 src;
+ struct sockaddr_in6 grp;
+ unsigned long pktcnt;
+ unsigned long bytecnt;
+ unsigned long wrong_if;
+};
+
+struct sioc_mif_req6 {
+ mifi_t mifi;
+ unsigned long icount;
+ unsigned long ocount;
+ unsigned long ibytes;
+ unsigned long obytes;
+};
+
+struct mrt6msg {
+#define MRT6MSG_NOCACHE 1
+#define MRT6MSG_WRONGMIF 2
+#define MRT6MSG_WHOLEPKT 3  
+ __u8 im6_mbz;
+ __u8 im6_msgtype;
+ __u16 im6_mif;
+ __u32 im6_pad;
+ struct in6_addr im6_src, im6_dst;
+};
+
+#endif