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
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
54struct l_msghdr {
55	l_uintptr_t	msg_name;
56	l_int		msg_namelen;
57	l_uintptr_t	msg_iov;
58	l_size_t	msg_iovlen;
59	l_uintptr_t	msg_control;
60	l_size_t	msg_controllen;
61	l_uint		msg_flags;
62};
63
64struct l_mmsghdr {
65	struct l_msghdr	msg_hdr;
66	l_uint		msg_len;
67
68};
69
70struct l_cmsghdr {
71	l_size_t	cmsg_len;
72	l_int		cmsg_level;
73	l_int		cmsg_type;
74};
75
76/* Ancillary data object information macros */
77
78#define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
79#define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
80				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
81#define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
82				    LINUX_CMSG_ALIGN(len))
83#define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
84				    (len))
85#define LINUX_CMSG_FIRSTHDR(msg) \
86				((msg)->msg_controllen >= \
87				    sizeof(struct l_cmsghdr) ? \
88				    (struct l_cmsghdr *) \
89				        PTRIN((msg)->msg_control) : \
90				    (struct l_cmsghdr *)(NULL))
91#define LINUX_CMSG_NXTHDR(msg, cmsg) \
92				((((char *)(cmsg) + \
93				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
94				    sizeof(*(cmsg))) > \
95				    (((char *)PTRIN((msg)->msg_control)) + \
96				    (msg)->msg_controllen)) ? \
97				    (struct l_cmsghdr *) NULL : \
98				    (struct l_cmsghdr *)((char *)(cmsg) + \
99				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
100
101#define CMSG_HDRSZ		CMSG_LEN(0)
102#define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
103
104/* Supported socket types */
105
106#define	LINUX_SOCK_STREAM	1
107#define	LINUX_SOCK_DGRAM	2
108#define	LINUX_SOCK_RAW		3
109#define	LINUX_SOCK_RDM		4
110#define	LINUX_SOCK_SEQPACKET	5
111
112#define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
113
114#define	LINUX_SOCK_TYPE_MASK	0xf
115
116/* Flags for socket, socketpair, accept4 */
117
118#define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
119#define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
120
121struct l_ucred {
122	uint32_t	pid;
123	uint32_t	uid;
124	uint32_t	gid;
125};
126
127#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
128
129struct linux_accept_args {
130	register_t s;
131	register_t addr;
132	register_t namelen;
133};
134
135int linux_accept(struct thread *td, struct linux_accept_args *args);
136
137/* Operations for socketcall */
138#define	LINUX_SOCKET		1
139#define	LINUX_BIND		2
140#define	LINUX_CONNECT		3
141#define	LINUX_LISTEN		4
142#define	LINUX_ACCEPT		5
143#define	LINUX_GETSOCKNAME	6
144#define	LINUX_GETPEERNAME	7
145#define	LINUX_SOCKETPAIR	8
146#define	LINUX_SEND		9
147#define	LINUX_RECV		10
148#define	LINUX_SENDTO		11
149#define	LINUX_RECVFROM		12
150#define	LINUX_SHUTDOWN		13
151#define	LINUX_SETSOCKOPT	14
152#define	LINUX_GETSOCKOPT	15
153#define	LINUX_SENDMSG		16
154#define	LINUX_RECVMSG		17
155#define	LINUX_ACCEPT4		18
156#define	LINUX_RECVMMSG		19
157#define	LINUX_SENDMMSG		20
158#define	LINUX_SENDFILE		21
159
160#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
161
162/* Socket defines */
163#define	LINUX_SOL_SOCKET	1
164
165#define	LINUX_SO_DEBUG		1
166#define	LINUX_SO_REUSEADDR	2
167#define	LINUX_SO_TYPE		3
168#define	LINUX_SO_ERROR		4
169#define	LINUX_SO_DONTROUTE	5
170#define	LINUX_SO_BROADCAST	6
171#define	LINUX_SO_SNDBUF		7
172#define	LINUX_SO_RCVBUF		8
173#define	LINUX_SO_KEEPALIVE	9
174#define	LINUX_SO_OOBINLINE	10
175#define	LINUX_SO_NO_CHECK	11
176#define	LINUX_SO_PRIORITY	12
177#define	LINUX_SO_LINGER		13
178#define	LINUX_SO_REUSEPORT	15
179#ifndef LINUX_SO_PASSCRED	/* powerpc differs */
180#define	LINUX_SO_PASSCRED	16
181#define	LINUX_SO_PEERCRED	17
182#define	LINUX_SO_RCVLOWAT	18
183#define	LINUX_SO_SNDLOWAT	19
184#define	LINUX_SO_RCVTIMEO	20
185#define	LINUX_SO_SNDTIMEO	21
186#endif
187#define	LINUX_SO_TIMESTAMPO	29
188#define	LINUX_SO_TIMESTAMPN	63
189#define	LINUX_SO_TIMESTAMPNSO	35
190#define	LINUX_SO_TIMESTAMPNSN	64
191#define	LINUX_SO_ACCEPTCONN	30
192#define	LINUX_SO_PEERSEC	31
193#define	LINUX_SO_SNDBUFFORCE	32
194#define	LINUX_SO_RCVBUFFORCE	33
195#define	LINUX_SO_PROTOCOL	38
196#define	LINUX_SO_DOMAIN		39
197#define	LINUX_SO_PEERGROUPS	59
198
199/* Socket-level control message types */
200
201#define LINUX_SCM_RIGHTS	0x01
202#define LINUX_SCM_CREDENTIALS	0x02
203#define LINUX_SCM_TIMESTAMPO	LINUX_SO_TIMESTAMPO
204#define LINUX_SCM_TIMESTAMPN	LINUX_SO_TIMESTAMPN
205#define LINUX_SCM_TIMESTAMPNSO	LINUX_SO_TIMESTAMPNSO
206#define LINUX_SCM_TIMESTAMPNSN	LINUX_SO_TIMESTAMPNSN
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#define	LINUX_IP_ROUTER_ALERT	5
214#define	LINUX_IP_RECVOPTS	6
215#define	LINUX_IP_RETOPTS	7
216#define	LINUX_IP_PKTINFO	8
217#define	LINUX_IP_PKTOPTIONS	9
218#define	LINUX_IP_MTU_DISCOVER	10
219#define	LINUX_IP_RECVERR	11
220#define	LINUX_IP_RECVTTL	12
221#define	LINUX_IP_RECVTOS	13
222#define	LINUX_IP_MTU		14
223#define	LINUX_IP_FREEBIND	15
224#define	LINUX_IP_IPSEC_POLICY	16
225#define	LINUX_IP_XFRM_POLICY	17
226#define	LINUX_IP_PASSSEC	18
227#define	LINUX_IP_TRANSPARENT	19
228
229#define	LINUX_IP_ORIGDSTADDR		20
230#define	LINUX_IP_RECVORIGDSTADDR	LINUX_IP_ORIGDSTADDR
231#define	LINUX_IP_MINTTL		21
232#define	LINUX_IP_NODEFRAG	22
233#define	LINUX_IP_CHECKSUM	23
234#define	LINUX_IP_BIND_ADDRESS_NO_PORT	24
235#define	LINUX_IP_RECVFRAGSIZE	25
236
237#define	LINUX_IP_MULTICAST_IF		32
238#define	LINUX_IP_MULTICAST_TTL		33
239#define	LINUX_IP_MULTICAST_LOOP		34
240#define	LINUX_IP_ADD_MEMBERSHIP		35
241#define	LINUX_IP_DROP_MEMBERSHIP	36
242#define	LINUX_IP_UNBLOCK_SOURCE		37
243#define	LINUX_IP_BLOCK_SOURCE		38
244#define	LINUX_IP_ADD_SOURCE_MEMBERSHIP	39
245#define	LINUX_IP_DROP_SOURCE_MEMBERSHIP	40
246#define	LINUX_IP_MSFILTER		41
247
248#define	LINUX_MCAST_JOIN_GROUP		42
249#define	LINUX_MCAST_BLOCK_SOURCE	43
250#define	LINUX_MCAST_UNBLOCK_SOURCE	44
251#define	LINUX_MCAST_LEAVE_GROUP		45
252#define	LINUX_MCAST_JOIN_SOURCE_GROUP	46
253#define	LINUX_MCAST_LEAVE_SOURCE_GROUP	47
254#define	LINUX_MCAST_MSFILTER		48
255#define	LINUX_IP_MULTICAST_ALL		49
256#define	LINUX_IP_UNICAST_IF		50
257
258#define	LINUX_IPV6_ADDRFORM		1
259#define	LINUX_IPV6_2292PKTINFO		2
260#define	LINUX_IPV6_2292HOPOPTS		3
261#define	LINUX_IPV6_2292DSTOPTS		4
262#define	LINUX_IPV6_2292RTHDR		5
263#define	LINUX_IPV6_2292PKTOPTIONS	6
264#define	LINUX_IPV6_CHECKSUM		7
265#define	LINUX_IPV6_2292HOPLIMIT		8
266#define	LINUX_IPV6_NEXTHOP		9
267#define	LINUX_IPV6_AUTHHDR		10
268#define	LINUX_IPV6_FLOWINFO		11
269
270#define	LINUX_IPV6_UNICAST_HOPS		16
271#define	LINUX_IPV6_MULTICAST_IF		17
272#define	LINUX_IPV6_MULTICAST_HOPS	18
273#define	LINUX_IPV6_MULTICAST_LOOP	19
274#define	LINUX_IPV6_ADD_MEMBERSHIP	20
275#define	LINUX_IPV6_DROP_MEMBERSHIP	21
276#define	LINUX_IPV6_ROUTER_ALERT		22
277#define	LINUX_IPV6_MTU_DISCOVER		23
278#define	LINUX_IPV6_MTU			24
279#define	LINUX_IPV6_RECVERR		25
280#define	LINUX_IPV6_V6ONLY		26
281#define	LINUX_IPV6_JOIN_ANYCAST		27
282#define	LINUX_IPV6_LEAVE_ANYCAST	28
283#define	LINUX_IPV6_MULTICAST_ALL	29
284#define	LINUX_IPV6_ROUTER_ALERT_ISOLATE	30
285
286#define	LINUX_IPV6_FLOWLABEL_MGR	32
287#define	LINUX_IPV6_FLOWINFO_SEND	33
288
289#define	LINUX_IPV6_IPSEC_POLICY		34
290#define	LINUX_IPV6_XFRM_POLICY		35
291#define	LINUX_IPV6_HDRINCL		36
292
293#define	LINUX_IPV6_RECVPKTINFO		49
294#define	LINUX_IPV6_PKTINFO		50
295#define	LINUX_IPV6_RECVHOPLIMIT		51
296#define	LINUX_IPV6_HOPLIMIT		52
297#define	LINUX_IPV6_RECVHOPOPTS		53
298#define	LINUX_IPV6_HOPOPTS		54
299#define	LINUX_IPV6_RTHDRDSTOPTS		55
300#define	LINUX_IPV6_RECVRTHDR		56
301#define	LINUX_IPV6_RTHDR		57
302#define	LINUX_IPV6_RECVDSTOPTS		58
303#define	LINUX_IPV6_DSTOPTS		59
304#define	LINUX_IPV6_RECVPATHMTU		60
305#define	LINUX_IPV6_PATHMTU		61
306#define	LINUX_IPV6_DONTFRAG		62
307
308#define	LINUX_IPV6_AUTOFLOWLABEL	70
309#define	LINUX_IPV6_ADDR_PREFERENCES	72
310#define	LINUX_IPV6_MINHOPCOUNT		73
311#define	LINUX_IPV6_ORIGDSTADDR		74
312#define	LINUX_IPV6_TRANSPARENT		75
313#define	LINUX_IPV6_UNICAST_IF		76
314#define	LINUX_IPV6_RECVFRAGSIZE		77
315#define	LINUX_IPV6_FREEBIND		78
316
317#define	LINUX_TCP_NODELAY	1
318#define	LINUX_TCP_MAXSEG	2
319#define	LINUX_TCP_CORK		3
320#define	LINUX_TCP_KEEPIDLE	4
321#define	LINUX_TCP_KEEPINTVL	5
322#define	LINUX_TCP_KEEPCNT	6
323#define	LINUX_TCP_INFO		11
324#define	LINUX_TCP_MD5SIG	14
325
326struct l_ifmap {
327	l_ulong		mem_start;
328	l_ulong		mem_end;
329	l_ushort	base_addr;
330	u_char		irq;
331	u_char		dma;
332	u_char		port;
333	/* 3 bytes spare */
334};
335
336/*
337 * Careful changing the declaration of this structure.
338 * To use FreeBSD names to access the struct l_ifreq members the
339 * member names of struct l_ifreq should be equal to the FreeBSD.
340 */
341struct l_ifreq {
342	char	ifr_name[LINUX_IFNAMSIZ];
343	union {
344		struct l_sockaddr	ifru_addr;
345		struct l_sockaddr	ifru_dstaddr;
346		struct l_sockaddr	ifru_broadaddr;
347		struct l_sockaddr	ifru_netmask;
348		struct l_sockaddr	ifru_hwaddr;
349		l_short		ifru_flags[1];
350		l_int		ifru_index;
351		l_int		ifru_mtu;
352		struct l_ifmap	ifru_map;
353		char		ifru_slave[LINUX_IFNAMSIZ];
354		char		ifru_newname[LINUX_IFNAMSIZ];
355		l_uintptr_t	ifru_data;
356	} ifr_ifru;
357};
358
359/*
360 * Define here members which are not exists in the FreeBSD struct ifreq.
361 */
362#define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
363
364#endif /* _LINUX_SOCKET_H_ */
365