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#define LINUX_SCM_CREDENTIALS   0x02
57
58/* Ancilliary data object information macros */
59
60#define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
61#define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
62				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
63#define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
64				    LINUX_CMSG_ALIGN(len))
65#define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
66				    (len))
67#define LINUX_CMSG_FIRSTHDR(msg) \
68				((msg)->msg_controllen >= \
69				    sizeof(struct l_cmsghdr) ? \
70				    (struct l_cmsghdr *) \
71				        PTRIN((msg)->msg_control) : \
72				    (struct l_cmsghdr *)(NULL))
73#define LINUX_CMSG_NXTHDR(msg, cmsg) \
74				((((char *)(cmsg) + \
75				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
76				    sizeof(*(cmsg))) > \
77				    (((char *)PTRIN((msg)->msg_control)) + \
78				    (msg)->msg_controllen)) ? \
79				    (struct l_cmsghdr *) NULL : \
80				    (struct l_cmsghdr *)((char *)(cmsg) + \
81				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
82
83#define CMSG_HDRSZ		CMSG_LEN(0)
84#define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
85
86/* Supported address families */
87
88#define	LINUX_AF_UNSPEC		0
89#define	LINUX_AF_UNIX		1
90#define	LINUX_AF_INET		2
91#define	LINUX_AF_AX25		3
92#define	LINUX_AF_IPX		4
93#define	LINUX_AF_APPLETALK	5
94#define	LINUX_AF_INET6		10
95
96/* Supported socket types */
97
98#define	LINUX_SOCK_STREAM	1
99#define	LINUX_SOCK_DGRAM	2
100#define	LINUX_SOCK_RAW		3
101#define	LINUX_SOCK_RDM		4
102#define	LINUX_SOCK_SEQPACKET	5
103
104#define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
105
106#define	LINUX_SOCK_TYPE_MASK	0xf
107
108/* Flags for socket, socketpair, accept4 */
109
110#define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
111#define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
112
113struct l_ucred {
114	uint32_t	pid;
115	uint32_t	uid;
116	uint32_t	gid;
117};
118
119/* Operations for socketcall */
120
121#define	LINUX_SOCKET 		1
122#define	LINUX_BIND		2
123#define	LINUX_CONNECT 		3
124#define	LINUX_LISTEN 		4
125#define	LINUX_ACCEPT 		5
126#define	LINUX_GETSOCKNAME	6
127#define	LINUX_GETPEERNAME	7
128#define	LINUX_SOCKETPAIR	8
129#define	LINUX_SEND		9
130#define	LINUX_RECV		10
131#define	LINUX_SENDTO 		11
132#define	LINUX_RECVFROM 		12
133#define	LINUX_SHUTDOWN 		13
134#define	LINUX_SETSOCKOPT	14
135#define	LINUX_GETSOCKOPT	15
136#define	LINUX_SENDMSG		16
137#define	LINUX_RECVMSG		17
138#define	LINUX_ACCEPT4		18
139
140/* Socket options */
141#define	LINUX_IP_TOS		1
142#define	LINUX_IP_TTL		2
143#define	LINUX_IP_HDRINCL	3
144#define	LINUX_IP_OPTIONS	4
145
146#define	LINUX_IP_MULTICAST_IF		32
147#define	LINUX_IP_MULTICAST_TTL		33
148#define	LINUX_IP_MULTICAST_LOOP		34
149#define	LINUX_IP_ADD_MEMBERSHIP		35
150#define	LINUX_IP_DROP_MEMBERSHIP	36
151
152#define	LINUX_TCP_NODELAY	1
153#define	LINUX_TCP_MAXSEG	2
154#define	LINUX_TCP_KEEPIDLE	4
155#define	LINUX_TCP_KEEPINTVL	5
156#define	LINUX_TCP_KEEPCNT	6
157#define	LINUX_TCP_MD5SIG	14
158
159#endif /* _LINUX_SOCKET_H_ */
160