1 files changed, 21 insertions, 0 deletions

diff --git a/include/uapi/linux/socket.h b/include/uapi/linux/socket.h
new file mode 100644
index 000000000000..76ab0c68561e
--- /dev/null
+++ b/include/uapi/linux/socket.h
@@ -0,0 +1,21 @@
+#ifndef _UAPI_LINUX_SOCKET_H
+#define _UAPI_LINUX_SOCKET_H
+
+/*
+ * Desired design of maximum size and alignment (see RFC2553)
+ */
+#define _K_SS_MAXSIZE   128     /* Implementation specific max size */
+#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
+                                /* Implementation specific desired alignment */
+
+typedef unsigned short __kernel_sa_family_t;
+
+struct __kernel_sockaddr_storage {
+        __kernel_sa_family_t    ss_family;              /* address family */
+        /* Following field(s) are implementation specific */
+        char            __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
+                                /* space to achieve desired size, */
+                                /* _SS_MAXSIZE value minus size of ss_family */
+} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));   /* force desired alignment */
+
+#endif /* _UAPI_LINUX_SOCKET_H */