xref: /freebsd/sys/compat/linux/linux_socket.h (revision 85f87cf491bec6f90948a85b10f5523ea24db9e3)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2000 Assar Westerlund
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer
12  *    in this position and unchanged.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _LINUX_SOCKET_H_
34 #define _LINUX_SOCKET_H_
35 
36 /* msg flags in recvfrom/recvmsg */
37 
38 #define LINUX_MSG_OOB		0x01
39 #define LINUX_MSG_PEEK		0x02
40 #define LINUX_MSG_DONTROUTE	0x04
41 #define LINUX_MSG_CTRUNC	0x08
42 #define LINUX_MSG_PROXY		0x10
43 #define LINUX_MSG_TRUNC		0x20
44 #define LINUX_MSG_DONTWAIT	0x40
45 #define LINUX_MSG_EOR		0x80
46 #define LINUX_MSG_WAITALL	0x100
47 #define LINUX_MSG_FIN		0x200
48 #define LINUX_MSG_SYN		0x400
49 #define LINUX_MSG_CONFIRM	0x800
50 #define LINUX_MSG_RST		0x1000
51 #define LINUX_MSG_ERRQUEUE	0x2000
52 #define LINUX_MSG_NOSIGNAL	0x4000
53 #define LINUX_MSG_WAITFORONE	0x10000
54 #define LINUX_MSG_CMSG_CLOEXEC	0x40000000
55 
56 /* Socket-level control message types */
57 
58 #define LINUX_SCM_RIGHTS	0x01
59 #define LINUX_SCM_CREDENTIALS	0x02
60 #define LINUX_SCM_TIMESTAMP	0x1D
61 
62 struct l_msghdr {
63 	l_uintptr_t	msg_name;
64 	l_int		msg_namelen;
65 	l_uintptr_t	msg_iov;
66 	l_size_t	msg_iovlen;
67 	l_uintptr_t	msg_control;
68 	l_size_t	msg_controllen;
69 	l_uint		msg_flags;
70 };
71 
72 struct l_mmsghdr {
73 	struct l_msghdr	msg_hdr;
74 	l_uint		msg_len;
75 
76 };
77 
78 struct l_cmsghdr {
79 	l_size_t	cmsg_len;
80 	l_int		cmsg_level;
81 	l_int		cmsg_type;
82 };
83 
84 /* Ancillary data object information macros */
85 
86 #define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
87 #define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
88 				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
89 #define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
90 				    LINUX_CMSG_ALIGN(len))
91 #define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
92 				    (len))
93 #define LINUX_CMSG_FIRSTHDR(msg) \
94 				((msg)->msg_controllen >= \
95 				    sizeof(struct l_cmsghdr) ? \
96 				    (struct l_cmsghdr *) \
97 				        PTRIN((msg)->msg_control) : \
98 				    (struct l_cmsghdr *)(NULL))
99 #define LINUX_CMSG_NXTHDR(msg, cmsg) \
100 				((((char *)(cmsg) + \
101 				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
102 				    sizeof(*(cmsg))) > \
103 				    (((char *)PTRIN((msg)->msg_control)) + \
104 				    (msg)->msg_controllen)) ? \
105 				    (struct l_cmsghdr *) NULL : \
106 				    (struct l_cmsghdr *)((char *)(cmsg) + \
107 				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
108 
109 #define CMSG_HDRSZ		CMSG_LEN(0)
110 #define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
111 
112 /* Supported socket types */
113 
114 #define	LINUX_SOCK_STREAM	1
115 #define	LINUX_SOCK_DGRAM	2
116 #define	LINUX_SOCK_RAW		3
117 #define	LINUX_SOCK_RDM		4
118 #define	LINUX_SOCK_SEQPACKET	5
119 
120 #define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
121 
122 #define	LINUX_SOCK_TYPE_MASK	0xf
123 
124 /* Flags for socket, socketpair, accept4 */
125 
126 #define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
127 #define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
128 
129 struct l_ucred {
130 	uint32_t	pid;
131 	uint32_t	uid;
132 	uint32_t	gid;
133 };
134 
135 #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
136 struct linux_accept_args {
137 	register_t s;
138 	register_t addr;
139 	register_t namelen;
140 };
141 
142 int linux_accept(struct thread *td, struct linux_accept_args *args);
143 
144 /* Operations for socketcall */
145 #define	LINUX_SOCKET		1
146 #define	LINUX_BIND		2
147 #define	LINUX_CONNECT		3
148 #define	LINUX_LISTEN		4
149 #define	LINUX_ACCEPT		5
150 #define	LINUX_GETSOCKNAME	6
151 #define	LINUX_GETPEERNAME	7
152 #define	LINUX_SOCKETPAIR	8
153 #define	LINUX_SEND		9
154 #define	LINUX_RECV		10
155 #define	LINUX_SENDTO		11
156 #define	LINUX_RECVFROM		12
157 #define	LINUX_SHUTDOWN		13
158 #define	LINUX_SETSOCKOPT	14
159 #define	LINUX_GETSOCKOPT	15
160 #define	LINUX_SENDMSG		16
161 #define	LINUX_RECVMSG		17
162 #define	LINUX_ACCEPT4		18
163 #define	LINUX_RECVMMSG		19
164 #define	LINUX_SENDMMSG		20
165 #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
166 
167 /* Socket defines */
168 #define	LINUX_SOL_SOCKET	1
169 #define	LINUX_SOL_IP		0
170 #define	LINUX_SOL_TCP		6
171 #define	LINUX_SOL_UDP		17
172 #define	LINUX_SOL_IPV6		41
173 #define	LINUX_SOL_IPX		256
174 #define	LINUX_SOL_AX25		257
175 
176 #define	LINUX_SO_DEBUG		1
177 #define	LINUX_SO_REUSEADDR	2
178 #define	LINUX_SO_TYPE		3
179 #define	LINUX_SO_ERROR		4
180 #define	LINUX_SO_DONTROUTE	5
181 #define	LINUX_SO_BROADCAST	6
182 #define	LINUX_SO_SNDBUF		7
183 #define	LINUX_SO_RCVBUF		8
184 #define	LINUX_SO_KEEPALIVE	9
185 #define	LINUX_SO_OOBINLINE	10
186 #define	LINUX_SO_NO_CHECK	11
187 #define	LINUX_SO_PRIORITY	12
188 #define	LINUX_SO_LINGER		13
189 #ifndef LINUX_SO_PASSCRED	/* powerpc differs */
190 #define	LINUX_SO_PASSCRED	16
191 #define	LINUX_SO_PEERCRED	17
192 #define	LINUX_SO_RCVLOWAT	18
193 #define	LINUX_SO_SNDLOWAT	19
194 #define	LINUX_SO_RCVTIMEO	20
195 #define	LINUX_SO_SNDTIMEO	21
196 #endif
197 #define	LINUX_SO_TIMESTAMP	29
198 #define	LINUX_SO_ACCEPTCONN	30
199 
200 /* Socket options */
201 #define	LINUX_IP_TOS		1
202 #define	LINUX_IP_TTL		2
203 #define	LINUX_IP_HDRINCL	3
204 #define	LINUX_IP_OPTIONS	4
205 
206 #define	LINUX_IP_MULTICAST_IF		32
207 #define	LINUX_IP_MULTICAST_TTL		33
208 #define	LINUX_IP_MULTICAST_LOOP		34
209 #define	LINUX_IP_ADD_MEMBERSHIP		35
210 #define	LINUX_IP_DROP_MEMBERSHIP	36
211 
212 #define	LINUX_IPV6_CHECKSUM		7
213 #define	LINUX_IPV6_NEXTHOP		9
214 #define	LINUX_IPV6_UNICAST_HOPS		16
215 #define	LINUX_IPV6_MULTICAST_IF		17
216 #define	LINUX_IPV6_MULTICAST_HOPS	18
217 #define	LINUX_IPV6_MULTICAST_LOOP	19
218 #define	LINUX_IPV6_ADD_MEMBERSHIP	20
219 #define	LINUX_IPV6_DROP_MEMBERSHIP	21
220 #define	LINUX_IPV6_V6ONLY		26
221 
222 #define	LINUX_IPV6_RECVPKTINFO		49
223 #define	LINUX_IPV6_PKTINFO		50
224 #define	LINUX_IPV6_RECVHOPLIMIT		51
225 #define	LINUX_IPV6_HOPLIMIT		52
226 #define	LINUX_IPV6_RECVHOPOPTS		53
227 #define	LINUX_IPV6_HOPOPTS		54
228 #define	LINUX_IPV6_RTHDRDSTOPTS		55
229 #define	LINUX_IPV6_RECVRTHDR		56
230 #define	LINUX_IPV6_RTHDR		57
231 #define	LINUX_IPV6_RECVDSTOPTS		58
232 #define	LINUX_IPV6_DSTOPTS		59
233 #define	LINUX_IPV6_RECVPATHMTU		60
234 #define	LINUX_IPV6_PATHMTU		61
235 #define	LINUX_IPV6_DONTFRAG		62
236 
237 #define	LINUX_TCP_NODELAY	1
238 #define	LINUX_TCP_MAXSEG	2
239 #define	LINUX_TCP_KEEPIDLE	4
240 #define	LINUX_TCP_KEEPINTVL	5
241 #define	LINUX_TCP_KEEPCNT	6
242 #define	LINUX_TCP_MD5SIG	14
243 
244 #endif /* _LINUX_SOCKET_H_ */
245