xref: /aosp_15_r20/external/libnl/include/linux-private/linux/socket.h (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1*4dc78e53SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*4dc78e53SAndroid Build Coastguard Worker #ifndef _LINUX_SOCKET_H
3*4dc78e53SAndroid Build Coastguard Worker #define _LINUX_SOCKET_H
4*4dc78e53SAndroid Build Coastguard Worker 
5*4dc78e53SAndroid Build Coastguard Worker /*
6*4dc78e53SAndroid Build Coastguard Worker  * Desired design of maximum size and alignment (see RFC2553)
7*4dc78e53SAndroid Build Coastguard Worker  */
8*4dc78e53SAndroid Build Coastguard Worker #define _K_SS_MAXSIZE	128	/* Implementation specific max size */
9*4dc78e53SAndroid Build Coastguard Worker 
10*4dc78e53SAndroid Build Coastguard Worker typedef unsigned short __kernel_sa_family_t;
11*4dc78e53SAndroid Build Coastguard Worker 
12*4dc78e53SAndroid Build Coastguard Worker /*
13*4dc78e53SAndroid Build Coastguard Worker  * The definition uses anonymous union and struct in order to control the
14*4dc78e53SAndroid Build Coastguard Worker  * default alignment.
15*4dc78e53SAndroid Build Coastguard Worker  */
16*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage {
17*4dc78e53SAndroid Build Coastguard Worker 	union {
18*4dc78e53SAndroid Build Coastguard Worker 		struct {
19*4dc78e53SAndroid Build Coastguard Worker 			__kernel_sa_family_t	ss_family; /* address family */
20*4dc78e53SAndroid Build Coastguard Worker 			/* Following field(s) are implementation specific */
21*4dc78e53SAndroid Build Coastguard Worker 			char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
22*4dc78e53SAndroid Build Coastguard Worker 				/* space to achieve desired size, */
23*4dc78e53SAndroid Build Coastguard Worker 				/* _SS_MAXSIZE value minus size of ss_family */
24*4dc78e53SAndroid Build Coastguard Worker 		};
25*4dc78e53SAndroid Build Coastguard Worker 		void *__align; /* implementation specific desired alignment */
26*4dc78e53SAndroid Build Coastguard Worker 	};
27*4dc78e53SAndroid Build Coastguard Worker };
28*4dc78e53SAndroid Build Coastguard Worker 
29*4dc78e53SAndroid Build Coastguard Worker #define SOCK_SNDBUF_LOCK	1
30*4dc78e53SAndroid Build Coastguard Worker #define SOCK_RCVBUF_LOCK	2
31*4dc78e53SAndroid Build Coastguard Worker 
32*4dc78e53SAndroid Build Coastguard Worker #define SOCK_BUF_LOCK_MASK (SOCK_SNDBUF_LOCK | SOCK_RCVBUF_LOCK)
33*4dc78e53SAndroid Build Coastguard Worker 
34*4dc78e53SAndroid Build Coastguard Worker #define SOCK_TXREHASH_DEFAULT	255
35*4dc78e53SAndroid Build Coastguard Worker #define SOCK_TXREHASH_DISABLED	0
36*4dc78e53SAndroid Build Coastguard Worker #define SOCK_TXREHASH_ENABLED	1
37*4dc78e53SAndroid Build Coastguard Worker 
38*4dc78e53SAndroid Build Coastguard Worker #endif /* _LINUX_SOCKET_H */
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