projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ | |
| 607ca46e DH |
9 | |
| 10 | typedef unsigned short __kernel_sa_family_t; | |
| 11 | ||
| 5e5412c3 QC |
12 | /* |
| 13 | * The definition uses anonymous union and struct in order to control the | |
| 14 | * default alignment. | |
| 15 | */ | |
| 607ca46e | 16 | struct __kernel_sockaddr_storage { |
| 5e5412c3 QC |
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)]; | |
| 607ca46e DH |
22 | /* space to achieve desired size, */ |
| 23 | /* _SS_MAXSIZE value minus size of ss_family */ | |
| 5e5412c3 QC |
24 | }; |
| 25 | void *__align; /* implementation specific desired alignment */ | |
| 26 | }; | |
| 27 | }; | |
| 607ca46e | 28 | |
| 04190bf8 PT |
29 | #define SOCK_SNDBUF_LOCK 1 |
| 30 | #define SOCK_RCVBUF_LOCK 2 | |
| 31 | ||
| 32 | #define SOCK_BUF_LOCK_MASK (SOCK_SNDBUF_LOCK | SOCK_RCVBUF_LOCK) | |
| 33 | ||
| 8d3398ba | 34 | #define SOCK_TXREHASH_DEFAULT 255 |
| e187013a AK |
35 | #define SOCK_TXREHASH_DISABLED 0 |
| 36 | #define SOCK_TXREHASH_ENABLED 1 | |
| 37 | ||
| 607ca46e | 38 | #endif /* _UAPI_LINUX_SOCKET_H */ |