xref: /freebsd/sys/compat/linux/linux_socket.h (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
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 /* Ancilliary 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 
145 struct linux_sendto_args {
146 	int s;
147 	l_uintptr_t msg;
148 	int len;
149 	int flags;
150 	l_uintptr_t to;
151 	int tolen;
152 };
153 
154 struct linux_socket_args {
155 	int domain;
156 	int type;
157 	int protocol;
158 };
159 
160 struct linux_bind_args {
161 	int s;
162 	l_uintptr_t name;
163 	int namelen;
164 };
165 
166 struct linux_connect_args {
167 	int s;
168 	l_uintptr_t name;
169 	int namelen;
170 };
171 
172 struct linux_listen_args {
173 	int s;
174 	int backlog;
175 };
176 
177 struct linux_accept_args {
178 	int s;
179 	l_uintptr_t addr;
180 	l_uintptr_t namelen;
181 };
182 
183 struct linux_accept4_args {
184 	int s;
185 	l_uintptr_t addr;
186 	l_uintptr_t namelen;
187 	int flags;
188 };
189 
190 struct linux_getsockname_args {
191 	int s;
192 	l_uintptr_t addr;
193 	l_uintptr_t namelen;
194 };
195 
196 struct linux_getpeername_args {
197 	int s;
198 	l_uintptr_t addr;
199 	l_uintptr_t namelen;
200 };
201 
202 struct linux_socketpair_args {
203 	int domain;
204 	int type;
205 	int protocol;
206 	l_uintptr_t rsv;
207 };
208 
209 struct linux_recvfrom_args {
210 	int s;
211 	l_uintptr_t buf;
212 	int len;
213 	int flags;
214 	l_uintptr_t from;
215 	l_uintptr_t fromlen;
216 };
217 
218 struct linux_sendmsg_args {
219 	int s;
220 	l_uintptr_t msg;
221 	int flags;
222 };
223 
224 struct linux_recvmsg_args {
225 	int s;
226 	l_uintptr_t msg;
227 	int flags;
228 };
229 
230 struct linux_shutdown_args {
231 	int s;
232 	int how;
233 };
234 
235 struct linux_setsockopt_args {
236 	int s;
237 	int level;
238 	int optname;
239 	l_uintptr_t optval;
240 	int optlen;
241 };
242 
243 struct linux_getsockopt_args {
244 	int s;
245 	int level;
246 	int optname;
247 	l_uintptr_t optval;
248 	l_uintptr_t optlen;
249 };
250 
251 int linux_socket(struct thread *td, struct linux_socket_args *args);
252 int linux_bind(struct thread *td, struct linux_bind_args *args);
253 int linux_connect(struct thread *, struct linux_connect_args *);
254 int linux_listen(struct thread *td, struct linux_listen_args *args);
255 int linux_accept(struct thread *td, struct linux_accept_args *args);
256 int linux_accept4(struct thread *td, struct linux_accept4_args *args);
257 int linux_getsockname(struct thread *td, struct linux_getsockname_args *args);
258 int linux_getpeername(struct thread *td, struct linux_getpeername_args *args);
259 int linux_socketpair(struct thread *td, struct linux_socketpair_args *args);
260 int linux_sendto(struct thread *td, struct linux_sendto_args *args);
261 int linux_recvfrom(struct thread *td, struct linux_recvfrom_args *args);
262 int linux_sendmsg(struct thread *td, struct linux_sendmsg_args *args);
263 int linux_recvmsg(struct thread *td, struct linux_recvmsg_args *args);
264 int linux_shutdown(struct thread *td, struct linux_shutdown_args *args);
265 int linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args);
266 int linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args);
267 
268 #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
269 
270 /* Operations for socketcall */
271 
272 #define	LINUX_SOCKET 		1
273 #define	LINUX_BIND		2
274 #define	LINUX_CONNECT 		3
275 #define	LINUX_LISTEN 		4
276 #define	LINUX_ACCEPT 		5
277 #define	LINUX_GETSOCKNAME	6
278 #define	LINUX_GETPEERNAME	7
279 #define	LINUX_SOCKETPAIR	8
280 #define	LINUX_SEND		9
281 #define	LINUX_RECV		10
282 #define	LINUX_SENDTO 		11
283 #define	LINUX_RECVFROM 		12
284 #define	LINUX_SHUTDOWN 		13
285 #define	LINUX_SETSOCKOPT	14
286 #define	LINUX_GETSOCKOPT	15
287 #define	LINUX_SENDMSG		16
288 #define	LINUX_RECVMSG		17
289 #define	LINUX_ACCEPT4		18
290 #define	LINUX_RECVMMSG		19
291 #define	LINUX_SENDMMSG		20
292 
293 /* Socket options */
294 #define	LINUX_IP_TOS		1
295 #define	LINUX_IP_TTL		2
296 #define	LINUX_IP_HDRINCL	3
297 #define	LINUX_IP_OPTIONS	4
298 
299 #define	LINUX_IP_MULTICAST_IF		32
300 #define	LINUX_IP_MULTICAST_TTL		33
301 #define	LINUX_IP_MULTICAST_LOOP		34
302 #define	LINUX_IP_ADD_MEMBERSHIP		35
303 #define	LINUX_IP_DROP_MEMBERSHIP	36
304 
305 #define	LINUX_TCP_NODELAY	1
306 #define	LINUX_TCP_MAXSEG	2
307 #define	LINUX_TCP_KEEPIDLE	4
308 #define	LINUX_TCP_KEEPINTVL	5
309 #define	LINUX_TCP_KEEPCNT	6
310 #define	LINUX_TCP_MD5SIG	14
311 
312 #endif /* _LINUX_SOCKET_H_ */
313