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: stable/11/sys/compat/linux/linux_socket.h 346812 2019-04-28 09:53:08Z dchagin $
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
60struct 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
70struct l_mmsghdr {
71	struct l_msghdr	msg_hdr;
72	l_uint		msg_len;
73
74};
75
76struct 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
137struct 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))
144struct linux_accept_args {
145	register_t s;
146	register_t addr;
147	register_t namelen;
148};
149
150int 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 defines */
176#define	LINUX_SOL_SOCKET	1
177#define	LINUX_SOL_IP		0
178#define	LINUX_SOL_TCP		6
179#define	LINUX_SOL_UDP		17
180#define	LINUX_SOL_IPV6		41
181#define	LINUX_SOL_IPX		256
182#define	LINUX_SOL_AX25		257
183
184#define	LINUX_SO_DEBUG		1
185#define	LINUX_SO_REUSEADDR	2
186#define	LINUX_SO_TYPE		3
187#define	LINUX_SO_ERROR		4
188#define	LINUX_SO_DONTROUTE	5
189#define	LINUX_SO_BROADCAST	6
190#define	LINUX_SO_SNDBUF		7
191#define	LINUX_SO_RCVBUF		8
192#define	LINUX_SO_KEEPALIVE	9
193#define	LINUX_SO_OOBINLINE	10
194#define	LINUX_SO_NO_CHECK	11
195#define	LINUX_SO_PRIORITY	12
196#define	LINUX_SO_LINGER		13
197#ifndef LINUX_SO_PASSCRED	/* powerpc differs */
198#define	LINUX_SO_PASSCRED	16
199#define	LINUX_SO_PEERCRED	17
200#define	LINUX_SO_RCVLOWAT	18
201#define	LINUX_SO_SNDLOWAT	19
202#define	LINUX_SO_RCVTIMEO	20
203#define	LINUX_SO_SNDTIMEO	21
204#endif
205#define	LINUX_SO_TIMESTAMP	29
206#define	LINUX_SO_ACCEPTCONN	30
207
208/* Socket options */
209#define	LINUX_IP_TOS		1
210#define	LINUX_IP_TTL		2
211#define	LINUX_IP_HDRINCL	3
212#define	LINUX_IP_OPTIONS	4
213
214#define	LINUX_IP_MULTICAST_IF		32
215#define	LINUX_IP_MULTICAST_TTL		33
216#define	LINUX_IP_MULTICAST_LOOP		34
217#define	LINUX_IP_ADD_MEMBERSHIP		35
218#define	LINUX_IP_DROP_MEMBERSHIP	36
219
220#define	LINUX_IPV6_CHECKSUM		7
221#define	LINUX_IPV6_NEXTHOP		9
222#define	LINUX_IPV6_UNICAST_HOPS		16
223#define	LINUX_IPV6_MULTICAST_IF		17
224#define	LINUX_IPV6_MULTICAST_HOPS	18
225#define	LINUX_IPV6_MULTICAST_LOOP	19
226#define	LINUX_IPV6_ADD_MEMBERSHIP	20
227#define	LINUX_IPV6_DROP_MEMBERSHIP	21
228#define	LINUX_IPV6_V6ONLY		26
229
230#define	LINUX_IPV6_RECVPKTINFO		49
231#define	LINUX_IPV6_PKTINFO		50
232#define	LINUX_IPV6_RECVHOPLIMIT		51
233#define	LINUX_IPV6_HOPLIMIT		52
234#define	LINUX_IPV6_RECVHOPOPTS		53
235#define	LINUX_IPV6_HOPOPTS		54
236#define	LINUX_IPV6_RTHDRDSTOPTS		55
237#define	LINUX_IPV6_RECVRTHDR		56
238#define	LINUX_IPV6_RTHDR		57
239#define	LINUX_IPV6_RECVDSTOPTS		58
240#define	LINUX_IPV6_DSTOPTS		59
241#define	LINUX_IPV6_RECVPATHMTU		60
242#define	LINUX_IPV6_PATHMTU		61
243#define	LINUX_IPV6_DONTFRAG		62
244
245#define	LINUX_TCP_NODELAY	1
246#define	LINUX_TCP_MAXSEG	2
247#define	LINUX_TCP_KEEPIDLE	4
248#define	LINUX_TCP_KEEPINTVL	5
249#define	LINUX_TCP_KEEPCNT	6
250#define	LINUX_TCP_MD5SIG	14
251
252#endif /* _LINUX_SOCKET_H_ */
253