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1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 1997, 1999, 2000, 2001 Ralf Baechle
7  * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
8  */
9 #ifndef _ASM_SOCKET_H
10 #define _ASM_SOCKET_H
11 
12 #include <asm/sockios.h>
13 
14 /*
15  * For setsockopt(2)
16  *
17  * This defines are ABI conformant as far as Linux supports these ...
18  */
19 #define SOL_SOCKET	0xffff
20 
21 #define SO_DEBUG	0x0001	/* Record debugging information.  */
22 #define SO_REUSEADDR	0x0004	/* Allow reuse of local addresses.  */
23 #define SO_KEEPALIVE	0x0008	/* Keep connections alive and send
24 				   SIGPIPE when they die.  */
25 #define SO_DONTROUTE	0x0010	/* Don't do local routing.  */
26 #define SO_BROADCAST	0x0020	/* Allow transmission of
27 				   broadcast messages.  */
28 #define SO_LINGER	0x0080	/* Block on close of a reliable
29 				   socket to transmit pending data.  */
30 #define SO_OOBINLINE 0x0100	/* Receive out-of-band data in-band.  */
31 #if 0
32 To add: #define SO_REUSEPORT 0x0200	/* Allow local address and port reuse.  */
33 #endif
34 
35 #define SO_TYPE		0x1008	/* Compatible name for SO_STYLE.  */
36 #define SO_STYLE	SO_TYPE	/* Synonym */
37 #define SO_ERROR	0x1007	/* get error status and clear */
38 #define SO_SNDBUF	0x1001	/* Send buffer size. */
39 #define SO_RCVBUF	0x1002	/* Receive buffer. */
40 #define SO_SNDLOWAT	0x1003	/* send low-water mark */
41 #define SO_RCVLOWAT	0x1004	/* receive low-water mark */
42 #define SO_SNDTIMEO	0x1005	/* send timeout */
43 #define SO_RCVTIMEO 	0x1006	/* receive timeout */
44 #define SO_ACCEPTCONN	0x1009
45 
46 /* linux-specific, might as well be the same as on i386 */
47 #define SO_NO_CHECK	11
48 #define SO_PRIORITY	12
49 #define SO_BSDCOMPAT	14
50 
51 #define SO_PASSCRED	17
52 #define SO_PEERCRED	18
53 
54 /* Security levels - as per NRL IPv6 - don't actually do anything */
55 #define SO_SECURITY_AUTHENTICATION		22
56 #define SO_SECURITY_ENCRYPTION_TRANSPORT	23
57 #define SO_SECURITY_ENCRYPTION_NETWORK		24
58 
59 #define SO_BINDTODEVICE		25
60 
61 /* Socket filtering */
62 #define SO_ATTACH_FILTER        26
63 #define SO_DETACH_FILTER        27
64 
65 #define SO_PEERNAME             28
66 #define SO_TIMESTAMP		29
67 #define SCM_TIMESTAMP		SO_TIMESTAMP
68 
69 #define SO_PEERSEC		30
70 #define SO_SNDBUFFORCE		31
71 #define SO_RCVBUFFORCE		33
72 #define SO_PASSSEC		34
73 #define SO_TIMESTAMPNS		35
74 #define SCM_TIMESTAMPNS		SO_TIMESTAMPNS
75 
76 #define SO_MARK			36
77 
78 #ifdef __KERNEL__
79 
80 /** sock_type - Socket types
81  *
82  * Please notice that for binary compat reasons MIPS has to
83  * override the enum sock_type in include/linux/net.h, so
84  * we define ARCH_HAS_SOCKET_TYPES here.
85  *
86  * @SOCK_DGRAM - datagram (conn.less) socket
87  * @SOCK_STREAM - stream (connection) socket
88  * @SOCK_RAW - raw socket
89  * @SOCK_RDM - reliably-delivered message
90  * @SOCK_SEQPACKET - sequential packet socket
91  * @SOCK_PACKET - linux specific way of getting packets at the dev level.
92  *		  For writing rarp and other similar things on the user level.
93  */
94 enum sock_type {
95 	SOCK_DGRAM	= 1,
96 	SOCK_STREAM	= 2,
97 	SOCK_RAW	= 3,
98 	SOCK_RDM	= 4,
99 	SOCK_SEQPACKET	= 5,
100 	SOCK_DCCP	= 6,
101 	SOCK_PACKET	= 10,
102 };
103 
104 #define SOCK_MAX (SOCK_PACKET + 1)
105 /* Mask which covers at least up to SOCK_MASK-1.  The
106  *  * remaining bits are used as flags. */
107 #define SOCK_TYPE_MASK 0xf
108 
109 /* Flags for socket, socketpair, paccept */
110 #define SOCK_CLOEXEC	O_CLOEXEC
111 #define SOCK_NONBLOCK	O_NONBLOCK
112 
113 #define ARCH_HAS_SOCKET_TYPES 1
114 
115 #endif /* __KERNEL__ */
116 
117 #endif /* _ASM_SOCKET_H */
118