linux_socket.h revision 1.15 1 /* $NetBSD: linux_socket.h,v 1.15 2007/07/01 18:45:36 dsl Exp $ */
2
3 /*-
4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden and Eric Haszlakiewicz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef _LINUX_SOCKET_H
40 #define _LINUX_SOCKET_H
41
42 /*
43 * Various Linux socket defines. Everything that is not re-defined here
44 * is the same as in NetBSD.
45 *
46 * COMPAT_43 is assumed, and the osockaddr struct is used (it is what
47 * Linux uses)
48 */
49
50 /*
51 * Address families. There are fewer of them, and they're numbered
52 * a bit different
53 */
54
55 #define LINUX_AF_UNSPEC 0
56 #define LINUX_AF_UNIX 1
57 #define LINUX_AF_INET 2
58 #define LINUX_AF_AX25 3
59 #define LINUX_AF_IPX 4
60 #define LINUX_AF_APPLETALK 5
61 #define LINUX_AF_NETROM 6
62 #define LINUX_AF_BRIDGE 7
63 #define LINUX_AF_ATMPVC 8
64 #define LINUX_AF_X25 9
65 #define LINUX_AF_INET6 10
66 #define LINUX_AF_ROSE 11
67 #define LINUX_AF_DECnet 12
68 #define LINUX_AF_NETBEUI 13
69 #define LINUX_AF_SECURITY 14
70 #define LINUX_pseudo_AF_KEY 15
71 #define LINUX_AF_NETLINK 16
72 #define LINUX_AF_PACKET 17
73 #define LINUX_AF_ASH 18
74 #define LINUX_AF_ECONET 19
75 #define LINUX_AF_ATMSVC 20
76 #define LINUX_AF_SNA 22
77 #define LINUX_AF_MAX 32
78
79 /*
80 * Option levels for [gs]etsockopt(2). Only SOL_SOCKET is different,
81 * the rest matches IPPROTO_XXX
82 */
83
84 /* SOL_SOCKET is machine dependant on Linux */
85 #define LINUX_SOL_IP 0
86 #define LINUX_SOL_TCP 6
87 #define LINUX_SOL_UDP 17
88 /* Unused for now: */
89 #define LINUX_SOL_IPV6 41
90 #define LINUX_SOL_ICMPV6 58
91 #define LINUX_SOL_RAW 255
92 #define LINUX_SOL_IPX 256
93 #define LINUX_SOL_AX25 257
94 #define LINUX_SOL_ATALK 258
95 #define LINUX_SOL_NETROM 259
96 #define LINUX_SOL_ROSE 260
97 #define LINUX_SOL_DECNET 261
98 #define LINUX_SOL_X25 262
99 #define LINUX_SOL_PACKET 263
100 #define LINUX_SOL_ATM 264
101 #define LINUX_SOL_AAL 265
102
103 /*
104 * Options for [gs]etsockopt(2), socket level are machine dependant.
105 */
106
107 /*
108 * Options for [gs]etsockopt(2), IP level.
109 */
110
111 #define LINUX_IP_TOS 1
112 #define LINUX_IP_TTL 2
113 #define LINUX_IP_MULTICAST_IF 32
114 #define LINUX_IP_MULTICAST_TTL 33
115 #define LINUX_IP_MULTICAST_LOOP 34
116 #define LINUX_IP_ADD_MEMBERSHIP 35
117 #define LINUX_IP_DROP_MEMBERSHIP 36
118
119 /*
120 * Options for [gs]etsockopt(2), TCP level.
121 */
122
123 #define LINUX_TCP_NODELAY 1
124 #define LINUX_TCP_MAXSEG 2
125
126 /* "Socket"-level control message types: */
127 #define LINUX_SCM_RIGHTS 1 /* same as SCM_RIGHTS */
128 #define LINUX_SCM_CREDENTIALS 2 /* accepts ucred rather than sockcred */
129 #define LINUX_SCM_CONNECT 3 /* not supported in NetBSD */
130 #define LINUX_SCM_TIMESTAMP LINUX_SO_TIMESTAMP
131 /* not actually implemented in Linux 2.5.15? */
132
133 /*
134 * Message flags (for sendmsg/recvmsg)
135 */
136 #define LINUX_MSG_OOB 0x001
137 #define LINUX_MSG_PEEK 0x002
138 #define LINUX_MSG_DONTROUTE 0x004
139 #define LINUX_MSG_TRYHARD 0x004
140 #define LINUX_MSG_CTRUNC 0x008
141 #define LINUX_MSG_PROBE 0x010 /* Don't send, only probe path */
142 #define LINUX_MSG_TRUNC 0x020
143 #define LINUX_MSG_DONTWAIT 0x040 /* this msg should be nonblocking */
144 #define LINUX_MSG_EOR 0x080 /* data completes record */
145 #define LINUX_MSG_WAITALL 0x100 /* wait for full request or error */
146 #define LINUX_MSG_FIN 0x200
147 #define LINUX_MSG_EOF LINUX_MSG_FIN
148 #define LINUX_MSG_SYN 0x400
149 #define LINUX_MSG_CONFIRM 0x800 /* Confirm path validity */
150 #define LINUX_MSG_RST 0x1000
151 #define LINUX_MSG_ERRQUEUE 0x2000 /* fetch message from error queue */
152 #define LINUX_MSG_NOSIGNAL 0x4000 /* do not generate SIGPIPE */
153 #define LINUX_MSG_MORE 0x8000 /* Sender will send more */
154
155 /*
156 * Linux alignment requirement for CMSG struct manipulation.
157 * Linux aligns on (size_t) boundary on all architectures.
158 * Fortunately for linux, linux_cmsghdr is always size_t aligned !
159 * since no padding is added between the header and data.
160 * XXX: this code isn't right for the compat32 code.
161 */
162 struct linux_cmsghdr {
163 size_t cmsg_len; /* NB not socklen_t */
164 int cmsg_level;
165 int cmsg_type;
166 /* unsigned char __cmsg_data[0]; */
167 };
168
169 #define LINUX_CMSG_ALIGN(n) \
170 (((n) + sizeof(size_t)-1) & ~(sizeof(size_t)-1))
171 /* Linux either uses this, or &((cmsg)->__cmsg_data) */
172 #define LINUX_CMSG_DATA(cmsg) \
173 ((u_char *)((struct linux_cmsghdr *)(cmsg) + 1))
174 #define LINUX_CMSG_NXTHDR(mhdr, cmsg) \
175 ((((char *)(cmsg) + LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
176 sizeof(*(cmsg))) > \
177 (((char *)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
178 (struct linux_cmsghdr *)NULL : \
179 (struct linux_cmsghdr *)((char *)(cmsg) + \
180 LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
181 /* This the number of bytes removed from each item (excl. final padding) */
182 #define LINUX_CMSG_ALIGN_DELTA \
183 (CMSG_ALIGN(sizeof(struct cmsghdr)) - sizeof(struct linux_cmsghdr))
184
185 #define LINUX_CMSG_FIRSTHDR(mhdr) \
186 ((mhdr)->msg_controllen >= sizeof(struct linux_cmsghdr) ? \
187 (struct linux_cmsghdr *)(mhdr)->msg_control : NULL)
188
189
190 /*
191 * Machine specific definitions.
192 */
193 #if defined(__i386__)
194 #include <compat/linux/arch/i386/linux_socket.h>
195 #elif defined(__m68k__)
196 #include <compat/linux/arch/m68k/linux_socket.h>
197 #elif defined(__alpha__)
198 #include <compat/linux/arch/alpha/linux_socket.h>
199 #elif defined(__powerpc__)
200 #include <compat/linux/arch/powerpc/linux_socket.h>
201 #elif defined(__mips__)
202 #include <compat/linux/arch/mips/linux_socket.h>
203 #elif defined(__arm__)
204 #include <compat/linux/arch/arm/linux_socket.h>
205 #elif defined(__amd64__)
206 #include <compat/linux/arch/amd64/linux_socket.h>
207 #else
208 #error Undefined linux_socket.h machine type.
209 #endif
210
211 #endif /* !_LINUX_SOCKET_H */
212