1 | /* $NetBSD: linux_socket.h,v 1.22 2014/01/27 19:19:15 njoly 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 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _LINUX_SOCKET_H |
33 | #define _LINUX_SOCKET_H |
34 | |
35 | /* |
36 | * Various Linux socket defines. Everything that is not re-defined here |
37 | * is the same as in NetBSD. |
38 | * |
39 | * COMPAT_43 is assumed, and the osockaddr struct is used (it is what |
40 | * Linux uses) |
41 | */ |
42 | |
43 | /* |
44 | * Address families. There are fewer of them, and they're numbered |
45 | * a bit different |
46 | */ |
47 | |
48 | #define LINUX_AF_UNSPEC 0 |
49 | #define LINUX_AF_UNIX 1 |
50 | #define LINUX_AF_INET 2 |
51 | #define LINUX_AF_AX25 3 |
52 | #define LINUX_AF_IPX 4 |
53 | #define LINUX_AF_APPLETALK 5 |
54 | #define LINUX_AF_NETROM 6 |
55 | #define LINUX_AF_BRIDGE 7 |
56 | #define LINUX_AF_ATMPVC 8 |
57 | #define LINUX_AF_X25 9 |
58 | #define LINUX_AF_INET6 10 |
59 | #define LINUX_AF_ROSE 11 |
60 | #define LINUX_AF_DECnet 12 |
61 | #define LINUX_AF_NETBEUI 13 |
62 | #define LINUX_AF_SECURITY 14 |
63 | #define LINUX_pseudo_AF_KEY 15 |
64 | #define LINUX_AF_NETLINK 16 |
65 | #define LINUX_AF_PACKET 17 |
66 | #define LINUX_AF_ASH 18 |
67 | #define LINUX_AF_ECONET 19 |
68 | #define LINUX_AF_ATMSVC 20 |
69 | #define LINUX_AF_SNA 22 |
70 | #define LINUX_AF_MAX 32 |
71 | |
72 | /* |
73 | * Option levels for [gs]etsockopt(2). Only SOL_SOCKET is different, |
74 | * the rest matches IPPROTO_XXX |
75 | */ |
76 | |
77 | /* SOL_SOCKET is machine dependent on Linux */ |
78 | #define LINUX_SOL_IP 0 |
79 | #define LINUX_SOL_TCP 6 |
80 | #define LINUX_SOL_UDP 17 |
81 | #define LINUX_SOL_IPV6 41 |
82 | /* Unused for now: */ |
83 | #define LINUX_SOL_ICMPV6 58 |
84 | #define LINUX_SOL_RAW 255 |
85 | #define LINUX_SOL_IPX 256 |
86 | #define LINUX_SOL_AX25 257 |
87 | #define LINUX_SOL_ATALK 258 |
88 | #define LINUX_SOL_NETROM 259 |
89 | #define LINUX_SOL_ROSE 260 |
90 | #define LINUX_SOL_DECNET 261 |
91 | #define LINUX_SOL_X25 262 |
92 | #define LINUX_SOL_PACKET 263 |
93 | #define LINUX_SOL_ATM 264 |
94 | #define LINUX_SOL_AAL 265 |
95 | |
96 | /* |
97 | * Options for [gs]etsockopt(2), socket level are machine dependent. |
98 | */ |
99 | |
100 | /* |
101 | * Options for [gs]etsockopt(2), IP level. |
102 | */ |
103 | |
104 | #define LINUX_IP_TOS 1 |
105 | #define LINUX_IP_TTL 2 |
106 | #define LINUX_IP_HDRINCL 3 |
107 | #define LINUX_IP_MULTICAST_IF 32 |
108 | #define LINUX_IP_MULTICAST_TTL 33 |
109 | #define LINUX_IP_MULTICAST_LOOP 34 |
110 | #define LINUX_IP_ADD_MEMBERSHIP 35 |
111 | #define LINUX_IP_DROP_MEMBERSHIP 36 |
112 | |
113 | /* |
114 | * Options for [gs]etsockopt(2), IPV6 level. |
115 | */ |
116 | |
117 | #define LINUX_IPV6_V6ONLY 26 |
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 | struct linux_msghdr { |
134 | void *msg_name; |
135 | int msg_namelen; |
136 | struct iovec *msg_iov; |
137 | size_t msg_iovlen; |
138 | void *msg_control; |
139 | size_t msg_controllen; |
140 | unsigned int msg_flags; |
141 | }; |
142 | |
143 | /* |
144 | * Message flags (for sendmsg/recvmsg) |
145 | */ |
146 | #define LINUX_MSG_OOB 0x001 |
147 | #define LINUX_MSG_PEEK 0x002 |
148 | #define LINUX_MSG_DONTROUTE 0x004 |
149 | #define LINUX_MSG_TRYHARD 0x004 |
150 | #define LINUX_MSG_CTRUNC 0x008 |
151 | #define LINUX_MSG_PROBE 0x010 /* Don't send, only probe path */ |
152 | #define LINUX_MSG_TRUNC 0x020 |
153 | #define LINUX_MSG_DONTWAIT 0x040 /* this msg should be nonblocking */ |
154 | #define LINUX_MSG_EOR 0x080 /* data completes record */ |
155 | #define LINUX_MSG_WAITALL 0x100 /* wait for full request or error */ |
156 | #define LINUX_MSG_FIN 0x200 |
157 | #define LINUX_MSG_EOF LINUX_MSG_FIN |
158 | #define LINUX_MSG_SYN 0x400 |
159 | #define LINUX_MSG_CONFIRM 0x800 /* Confirm path validity */ |
160 | #define LINUX_MSG_RST 0x1000 |
161 | #define LINUX_MSG_ERRQUEUE 0x2000 /* fetch message from error queue */ |
162 | #define LINUX_MSG_NOSIGNAL 0x4000 /* do not generate SIGPIPE */ |
163 | #define LINUX_MSG_MORE 0x8000 /* Sender will send more */ |
164 | |
165 | /* |
166 | * Linux alignment requirement for CMSG struct manipulation. |
167 | * Linux aligns on (size_t) boundary on all architectures. |
168 | * Fortunately for linux, linux_cmsghdr is always size_t aligned ! |
169 | * since no padding is added between the header and data. |
170 | * XXX: this code isn't right for the compat32 code. |
171 | */ |
172 | struct linux_cmsghdr { |
173 | size_t cmsg_len; /* NB not socklen_t */ |
174 | int cmsg_level; |
175 | int cmsg_type; |
176 | /* unsigned char __cmsg_data[0]; */ |
177 | }; |
178 | |
179 | #define LINUX_CMSG_ALIGN(n) \ |
180 | (((n) + sizeof(size_t)-1) & ~(sizeof(size_t)-1)) |
181 | /* Linux either uses this, or &((cmsg)->__cmsg_data) */ |
182 | #define LINUX_CMSG_DATA(cmsg) \ |
183 | ((u_char *)((struct linux_cmsghdr *)(cmsg) + 1)) |
184 | #define LINUX_CMSG_NXTHDR(mhdr, cmsg) \ |
185 | ((((char *)(cmsg) + LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \ |
186 | sizeof(*(cmsg))) > \ |
187 | (((char *)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \ |
188 | (struct linux_cmsghdr *)NULL : \ |
189 | (struct linux_cmsghdr *)((char *)(cmsg) + \ |
190 | LINUX_CMSG_ALIGN((cmsg)->cmsg_len))) |
191 | /* This the number of bytes removed from each item (excl. final padding) */ |
192 | #define LINUX_CMSG_ALIGN_DELTA \ |
193 | (CMSG_ALIGN(sizeof(struct cmsghdr)) - sizeof(struct linux_cmsghdr)) |
194 | |
195 | #define LINUX_CMSG_FIRSTHDR(mhdr) \ |
196 | ((mhdr)->msg_controllen >= sizeof(struct linux_cmsghdr) ? \ |
197 | (struct linux_cmsghdr *)(mhdr)->msg_control : NULL) |
198 | |
199 | #define LINUX_CMSG_SPACE(l) \ |
200 | (sizeof(struct linux_cmsghdr) + LINUX_CMSG_ALIGN(l)) |
201 | #define LINUX_CMSG_LEN(l) \ |
202 | (sizeof(struct linux_cmsghdr) + (l)) |
203 | |
204 | /* |
205 | * Machine specific definitions. |
206 | */ |
207 | #if defined(__i386__) |
208 | #include <compat/linux/arch/i386/linux_socket.h> |
209 | #elif defined(__m68k__) |
210 | #include <compat/linux/arch/m68k/linux_socket.h> |
211 | #elif defined(__alpha__) |
212 | #include <compat/linux/arch/alpha/linux_socket.h> |
213 | #elif defined(__powerpc__) |
214 | #include <compat/linux/arch/powerpc/linux_socket.h> |
215 | #elif defined(__mips__) |
216 | #include <compat/linux/arch/mips/linux_socket.h> |
217 | #elif defined(__arm__) |
218 | #include <compat/linux/arch/arm/linux_socket.h> |
219 | #elif defined(__amd64__) |
220 | #include <compat/linux/arch/amd64/linux_socket.h> |
221 | #else |
222 | #error Undefined linux_socket.h machine type. |
223 | #endif |
224 | |
225 | /* |
226 | * Flags for socket(). |
227 | * These are provided in the "type" parameter. |
228 | */ |
229 | |
230 | #define LINUX_SOCK_TYPE_MASK 0xf |
231 | #define LINUX_SOCK_CLOEXEC LINUX_O_CLOEXEC |
232 | #ifndef LINUX_SOCK_NONBLOCK |
233 | #define LINUX_SOCK_NONBLOCK LINUX_O_NONBLOCK |
234 | #endif |
235 | |
236 | #endif /* !_LINUX_SOCKET_H */ |
237 | |