diff --git a/libc/kernel/common/linux/if_pppopns.h b/libc/kernel/common/linux/if_pppopns.h
new file mode 100644
index 000000000..ac7521035
--- /dev/null
+++ b/libc/kernel/common/linux/if_pppopns.h
@@ -0,0 +1,28 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_IF_PPPOPNS_H
+#define __LINUX_IF_PPPOPNS_H
+
+#include <linux/socket.h>
+#include <linux/types.h>
+
+#define PX_PROTO_OPNS 3
+
+struct sockaddr_pppopns {
+ sa_family_t sa_family;
+ unsigned int sa_protocol;
+ int tcp_socket;
+ __u16 local;
+ __u16 remote;
+} __attribute__((packed));
+
+#endif