diff options
Diffstat (limited to 'include/uapi/linux/socket.h')
| -rw-r--r-- | include/uapi/linux/socket.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/include/uapi/linux/socket.h b/include/uapi/linux/socket.h index 76ab0c68561e..d3fcd3b5ec53 100644 --- a/include/uapi/linux/socket.h +++ b/include/uapi/linux/socket.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_LINUX_SOCKET_H #define _UAPI_LINUX_SOCKET_H @@ -5,17 +6,33 @@ * 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; +/* + * The definition uses anonymous union and struct in order to control the + * default alignment. + */ 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)]; + union { + struct { + __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 */ + }; + void *__align; /* implementation specific desired alignment */ + }; +}; + +#define SOCK_SNDBUF_LOCK 1 +#define SOCK_RCVBUF_LOCK 2 + +#define SOCK_BUF_LOCK_MASK (SOCK_SNDBUF_LOCK | SOCK_RCVBUF_LOCK) + +#define SOCK_TXREHASH_DEFAULT 255 +#define SOCK_TXREHASH_DISABLED 0 +#define SOCK_TXREHASH_ENABLED 1 #endif /* _UAPI_LINUX_SOCKET_H */ |