xref: /freebsd/sys/compat/linux/linux_socket.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
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_WAITFORONE	0x10000
52 #define LINUX_MSG_CMSG_CLOEXEC	0x40000000
53 
54 /* Socket-level control message types */
55 
56 #define LINUX_SCM_RIGHTS	0x01
57 #define LINUX_SCM_CREDENTIALS	0x02
58 #define LINUX_SCM_TIMESTAMP	0x1D
59 
60 struct l_msghdr {
61 	l_uintptr_t	msg_name;
62 	l_int		msg_namelen;
63 	l_uintptr_t	msg_iov;
64 	l_size_t	msg_iovlen;
65 	l_uintptr_t	msg_control;
66 	l_size_t	msg_controllen;
67 	l_uint		msg_flags;
68 };
69 
70 struct l_mmsghdr {
71 	struct l_msghdr	msg_hdr;
72 	l_uint		msg_len;
73 
74 };
75 
76 struct l_cmsghdr {
77 	l_size_t	cmsg_len;
78 	l_int		cmsg_level;
79 	l_int		cmsg_type;
80 };
81 
82 /* Ancillary data object information macros */
83 
84 #define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
85 #define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
86 				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
87 #define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
88 				    LINUX_CMSG_ALIGN(len))
89 #define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
90 				    (len))
91 #define LINUX_CMSG_FIRSTHDR(msg) \
92 				((msg)->msg_controllen >= \
93 				    sizeof(struct l_cmsghdr) ? \
94 				    (struct l_cmsghdr *) \
95 				        PTRIN((msg)->msg_control) : \
96 				    (struct l_cmsghdr *)(NULL))
97 #define LINUX_CMSG_NXTHDR(msg, cmsg) \
98 				((((char *)(cmsg) + \
99 				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
100 				    sizeof(*(cmsg))) > \
101 				    (((char *)PTRIN((msg)->msg_control)) + \
102 				    (msg)->msg_controllen)) ? \
103 				    (struct l_cmsghdr *) NULL : \
104 				    (struct l_cmsghdr *)((char *)(cmsg) + \
105 				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
106 
107 #define CMSG_HDRSZ		CMSG_LEN(0)
108 #define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
109 
110 /* Supported address families */
111 
112 #define	LINUX_AF_UNSPEC		0
113 #define	LINUX_AF_UNIX		1
114 #define	LINUX_AF_INET		2
115 #define	LINUX_AF_AX25		3
116 #define	LINUX_AF_IPX		4
117 #define	LINUX_AF_APPLETALK	5
118 #define	LINUX_AF_INET6		10
119 
120 /* Supported socket types */
121 
122 #define	LINUX_SOCK_STREAM	1
123 #define	LINUX_SOCK_DGRAM	2
124 #define	LINUX_SOCK_RAW		3
125 #define	LINUX_SOCK_RDM		4
126 #define	LINUX_SOCK_SEQPACKET	5
127 
128 #define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
129 
130 #define	LINUX_SOCK_TYPE_MASK	0xf
131 
132 /* Flags for socket, socketpair, accept4 */
133 
134 #define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
135 #define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
136 
137 struct l_ucred {
138 	uint32_t	pid;
139 	uint32_t	uid;
140 	uint32_t	gid;
141 };
142 
143 #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
144 struct linux_accept_args {
145 	register_t s;
146 	register_t addr;
147 	register_t namelen;
148 };
149 
150 int linux_accept(struct thread *td, struct linux_accept_args *args);
151 
152 /* Operations for socketcall */
153 #define	LINUX_SOCKET 		1
154 #define	LINUX_BIND		2
155 #define	LINUX_CONNECT 		3
156 #define	LINUX_LISTEN 		4
157 #define	LINUX_ACCEPT 		5
158 #define	LINUX_GETSOCKNAME	6
159 #define	LINUX_GETPEERNAME	7
160 #define	LINUX_SOCKETPAIR	8
161 #define	LINUX_SEND		9
162 #define	LINUX_RECV		10
163 #define	LINUX_SENDTO 		11
164 #define	LINUX_RECVFROM 		12
165 #define	LINUX_SHUTDOWN 		13
166 #define	LINUX_SETSOCKOPT	14
167 #define	LINUX_GETSOCKOPT	15
168 #define	LINUX_SENDMSG		16
169 #define	LINUX_RECVMSG		17
170 #define	LINUX_ACCEPT4		18
171 #define	LINUX_RECVMMSG		19
172 #define	LINUX_SENDMMSG		20
173 #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
174 
175 /* Socket options */
176 #define	LINUX_IP_TOS		1
177 #define	LINUX_IP_TTL		2
178 #define	LINUX_IP_HDRINCL	3
179 #define	LINUX_IP_OPTIONS	4
180 
181 #define	LINUX_IP_MULTICAST_IF		32
182 #define	LINUX_IP_MULTICAST_TTL		33
183 #define	LINUX_IP_MULTICAST_LOOP		34
184 #define	LINUX_IP_ADD_MEMBERSHIP		35
185 #define	LINUX_IP_DROP_MEMBERSHIP	36
186 
187 #define	LINUX_IPV6_CHECKSUM		7
188 #define	LINUX_IPV6_NEXTHOP		9
189 #define	LINUX_IPV6_UNICAST_HOPS		16
190 #define	LINUX_IPV6_MULTICAST_IF		17
191 #define	LINUX_IPV6_MULTICAST_HOPS	18
192 #define	LINUX_IPV6_MULTICAST_LOOP	19
193 #define	LINUX_IPV6_ADD_MEMBERSHIP	20
194 #define	LINUX_IPV6_DROP_MEMBERSHIP	21
195 #define	LINUX_IPV6_V6ONLY		26
196 
197 #define	LINUX_IPV6_RECVPKTINFO		49
198 #define	LINUX_IPV6_PKTINFO		50
199 #define	LINUX_IPV6_RECVHOPLIMIT		51
200 #define	LINUX_IPV6_HOPLIMIT		52
201 #define	LINUX_IPV6_RECVHOPOPTS		53
202 #define	LINUX_IPV6_HOPOPTS		54
203 #define	LINUX_IPV6_RTHDRDSTOPTS		55
204 #define	LINUX_IPV6_RECVRTHDR		56
205 #define	LINUX_IPV6_RTHDR		57
206 #define	LINUX_IPV6_RECVDSTOPTS		58
207 #define	LINUX_IPV6_DSTOPTS		59
208 #define	LINUX_IPV6_RECVPATHMTU		60
209 #define	LINUX_IPV6_PATHMTU		61
210 #define	LINUX_IPV6_DONTFRAG		62
211 
212 #define	LINUX_TCP_NODELAY	1
213 #define	LINUX_TCP_MAXSEG	2
214 #define	LINUX_TCP_KEEPIDLE	4
215 #define	LINUX_TCP_KEEPINTVL	5
216 #define	LINUX_TCP_KEEPCNT	6
217 #define	LINUX_TCP_MD5SIG	14
218 
219 #endif /* _LINUX_SOCKET_H_ */
220