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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
607ca46e DH |
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 */ |