linux_socket.h revision 192206 
1/*-
2 * Copyright (c) 2000 Assar Westerlund
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/compat/linux/linux_socket.h 192206 2009-05-16 18:48:41Z dchagin $
29 */
30
31#ifndef _LINUX_SOCKET_H_
32#define _LINUX_SOCKET_H_
33
34/* msg flags in recvfrom/recvmsg */
35
36#define LINUX_MSG_OOB		0x01
37#define LINUX_MSG_PEEK		0x02
38#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
52/* Socket-level control message types */
53
54#define LINUX_SCM_RIGHTS	0x01
55
56/* Ancilliary data object information macros */
57
58#define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
59#define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
60				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
61#define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
62				    LINUX_CMSG_ALIGN(len))
63#define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
64				    (len))
65#define LINUX_CMSG_FIRSTHDR(msg) \
66				((msg)->msg_controllen >= \
67				    sizeof(struct l_cmsghdr) ? \
68				    (struct l_cmsghdr *)((msg)->msg_control) : \
69				    (struct l_cmsghdr *)(NULL))
70#define LINUX_CMSG_NXTHDR(msg, cmsg) \
71				((((char *)(cmsg) + \
72				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
73				    sizeof(*(cmsg))) > \
74				    (((char *)(msg)->msg_control) + \
75				    (msg)->msg_controllen)) ? \
76				    (struct l_cmsghdr *) NULL : \
77				    (struct l_cmsghdr *)((char *)(cmsg) + \
78				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
79
80#define CMSG_HDRSZ		CMSG_LEN(0)
81#define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
82
83/* Supported address families */
84
85#define	LINUX_AF_UNSPEC		0
86#define	LINUX_AF_UNIX		1
87#define	LINUX_AF_INET		2
88#define	LINUX_AF_AX25		3
89#define	LINUX_AF_IPX		4
90#define	LINUX_AF_APPLETALK	5
91#define	LINUX_AF_INET6		10
92
93/* Supported socket types */
94
95#define	LINUX_SOCK_STREAM	1
96#define	LINUX_SOCK_DGRAM	2
97#define	LINUX_SOCK_RAW		3
98#define	LINUX_SOCK_RDM		4
99#define	LINUX_SOCK_SEQPACKET	5
100
101#define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
102
103#define	LINUX_SOCK_TYPE_MASK	0xf
104
105/* Flags for socket, socketpair, accept4 */
106
107#define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
108#define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
109
110struct l_ucred {
111	uint32_t	pid;
112	uint32_t	uid;
113	uint32_t	gid;
114};
115
116#endif /* _LINUX_SOCKET_H_ */
117