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