xref: /freebsd/sys/compat/linux/linux_socket.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
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 
113 struct 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