1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_SOCKET_H
3 #define _UAPI_LINUX_SOCKET_H
4
5 /*
6 * Desired design of maximum size and alignment (see RFC2553)
7 */
8 #define _K_SS_MAXSIZE 128 /* Implementation specific max size */
9 #define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
10 /* Implementation specific desired alignment */
11
12 typedef unsigned short __kernel_sa_family_t;
13
14 struct __kernel_sockaddr_storage {
15 __kernel_sa_family_t ss_family; /* address family */
16 /* Following field(s) are implementation specific */
17 char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
18 /* space to achieve desired size, */
19 /* _SS_MAXSIZE value minus size of ss_family */
20 } __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */
21
22 #define sockaddr_storage __kernel_sockaddr_storage
23
24 #endif /* _UAPI_LINUX_SOCKET_H */