xref: /freebsd/sys/compat/linux/linux_socket.h (revision 195ebc7e9e4b129de810833791a19dfb4349d6a9)
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  * $FreeBSD$
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 #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 
111 struct l_ucred {
112 	uint32_t	pid;
113 	uint32_t	uid;
114 	uint32_t	gid;
115 };
116 
117 #endif /* _LINUX_SOCKET_H_ */
118