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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2#ifndef _UAPI_LINUX_SOCKET_H3#define _UAPI_LINUX_SOCKET_H4 5/*6 * Desired design of maximum size and alignment (see RFC2553)7 */8#define _K_SS_MAXSIZE 128 /* Implementation specific max size */9 10typedef unsigned short __kernel_sa_family_t;11 12/*13 * The definition uses anonymous union and struct in order to control the14 * default alignment.15 */16struct __kernel_sockaddr_storage {17 union {18 struct {19 __kernel_sa_family_t ss_family; /* address family */20 /* Following field(s) are implementation specific */21 char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];22 /* space to achieve desired size, */23 /* _SS_MAXSIZE value minus size of ss_family */24 };25 void *__align; /* implementation specific desired alignment */26 };27};28 29#define SOCK_SNDBUF_LOCK 130#define SOCK_RCVBUF_LOCK 231 32#define SOCK_BUF_LOCK_MASK (SOCK_SNDBUF_LOCK | SOCK_RCVBUF_LOCK)33 34#define SOCK_TXREHASH_DEFAULT 25535#define SOCK_TXREHASH_DISABLED 036#define SOCK_TXREHASH_ENABLED 137 38#endif /* _UAPI_LINUX_SOCKET_H */39