linux_socket.h revision 192284
1169691Skan/*-
2169691Skan * Copyright (c) 2000 Assar Westerlund
3169691Skan * All rights reserved.
4169691Skan *
5169691Skan * Redistribution and use in source and binary forms, with or without
6169691Skan * modification, are permitted provided that the following conditions
7169691Skan * are met:
8169691Skan * 1. Redistributions of source code must retain the above copyright
9169691Skan *    notice, this list of conditions and the following disclaimer
10169691Skan *    in this position and unchanged.
11169691Skan * 2. Redistributions in binary form must reproduce the above copyright
12169691Skan *    notice, this list of conditions and the following disclaimer in the
13169691Skan *    documentation and/or other materials provided with the distribution.
14169691Skan * 3. The name of the author may not be used to endorse or promote products
15169691Skan *    derived from this software without specific prior written permission
16169691Skan *
17169691Skan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18169691Skan * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19169691Skan * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20169691Skan * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21169691Skan * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22169691Skan * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23169691Skan * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24169691Skan * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25169691Skan * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26169691Skan * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27169691Skan *
28169691Skan * $FreeBSD: head/sys/compat/linux/linux_socket.h 192284 2009-05-18 04:07:46Z dchagin $
29169691Skan */
30169691Skan
31169691Skan#ifndef _LINUX_SOCKET_H_
32169691Skan#define _LINUX_SOCKET_H_
33169691Skan
34169691Skan/* msg flags in recvfrom/recvmsg */
35169691Skan
36169691Skan#define LINUX_MSG_OOB		0x01
37169691Skan#define LINUX_MSG_PEEK		0x02
38169691Skan#define LINUX_MSG_DONTROUTE	0x04
39#define LINUX_MSG_CTRUNC	0x08
40#define LINUX_MSG_PROXY		0x10
41#define LINUX_MSG_TRUNC		0x20
42#define LINUX_MSG_DONTWAIT	0x40
43#define LINUX_MSG_EOR		0x80
44#define LINUX_MSG_WAITALL	0x100
45#define LINUX_MSG_FIN		0x200
46#define LINUX_MSG_SYN		0x400
47#define LINUX_MSG_CONFIRM	0x800
48#define LINUX_MSG_RST		0x1000
49#define LINUX_MSG_ERRQUEUE	0x2000
50#define LINUX_MSG_NOSIGNAL	0x4000
51#define LINUX_MSG_CMSG_CLOEXEC	0x40000000
52
53/* Socket-level control message types */
54
55#define LINUX_SCM_RIGHTS	0x01
56
57/* Ancilliary data object information macros */
58
59#define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
60#define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
61				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
62#define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
63				    LINUX_CMSG_ALIGN(len))
64#define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
65				    (len))
66#define LINUX_CMSG_FIRSTHDR(msg) \
67				((msg)->msg_controllen >= \
68				    sizeof(struct l_cmsghdr) ? \
69				    (struct l_cmsghdr *)((msg)->msg_control) : \
70				    (struct l_cmsghdr *)(NULL))
71#define LINUX_CMSG_NXTHDR(msg, cmsg) \
72				((((char *)(cmsg) + \
73				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
74				    sizeof(*(cmsg))) > \
75				    (((char *)(msg)->msg_control) + \
76				    (msg)->msg_controllen)) ? \
77				    (struct l_cmsghdr *) NULL : \
78				    (struct l_cmsghdr *)((char *)(cmsg) + \
79				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
80
81#define CMSG_HDRSZ		CMSG_LEN(0)
82#define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
83
84/* Supported address families */
85
86#define	LINUX_AF_UNSPEC		0
87#define	LINUX_AF_UNIX		1
88#define	LINUX_AF_INET		2
89#define	LINUX_AF_AX25		3
90#define	LINUX_AF_IPX		4
91#define	LINUX_AF_APPLETALK	5
92#define	LINUX_AF_INET6		10
93
94/* Supported socket types */
95
96#define	LINUX_SOCK_STREAM	1
97#define	LINUX_SOCK_DGRAM	2
98#define	LINUX_SOCK_RAW		3
99#define	LINUX_SOCK_RDM		4
100#define	LINUX_SOCK_SEQPACKET	5
101
102#define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
103
104#define	LINUX_SOCK_TYPE_MASK	0xf
105
106/* Flags for socket, socketpair, accept4 */
107
108#define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
109#define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
110
111struct l_ucred {
112	uint32_t	pid;
113	uint32_t	uid;
114	uint32_t	gid;
115};
116
117#endif /* _LINUX_SOCKET_H_ */
118