Merge tag 'csky-for-linus-4.21' of git://github.com/c-sky/csky-linux
[sfrench/cifs-2.6.git] / include / uapi / linux / socket.h
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 #endif /* _UAPI_LINUX_SOCKET_H */