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1 /*
2  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  *    this list of conditions and the following disclaimer in the documentation
12  *    and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25  * OF SUCH DAMAGE.
26  *
27  * This file is part of the lwIP TCP/IP stack.
28  *
29  * Author: Adam Dunkels <adam@sics.se>
30  *
31  */
32 #ifndef __LWIP_ARCH_H__
33 #define __LWIP_ARCH_H__
34 
35 #ifndef LITTLE_ENDIAN
36 #define LITTLE_ENDIAN 1234
37 #endif
38 
39 #ifndef BIG_ENDIAN
40 #define BIG_ENDIAN 4321
41 #endif
42 
43 #include "arch/cc.h"
44 
45 /** Temporary: define format string for size_t if not defined in cc.h */
46 #ifndef SZT_F
47 #define SZT_F U32_F
48 #endif /* SZT_F */
49 /** Temporary upgrade helper: define format string for u8_t as hex if not
50     defined in cc.h */
51 #ifndef X8_F
52 #define X8_F  "02x"
53 #endif /* X8_F */
54 
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58 
59 #ifndef PACK_STRUCT_BEGIN
60 #define PACK_STRUCT_BEGIN
61 #endif /* PACK_STRUCT_BEGIN */
62 
63 #ifndef PACK_STRUCT_END
64 #define PACK_STRUCT_END
65 #endif /* PACK_STRUCT_END */
66 
67 #ifndef PACK_STRUCT_FIELD
68 #define PACK_STRUCT_FIELD(x) x
69 #endif /* PACK_STRUCT_FIELD */
70 
71 
72 #ifndef LWIP_UNUSED_ARG
73 #define LWIP_UNUSED_ARG(x) (void)x
74 #endif /* LWIP_UNUSED_ARG */
75 
76 
77 #ifdef LWIP_PROVIDE_ERRNO
78 
79 #define  EPERM         1  /* Operation not permitted */
80 #define  ENOENT        2  /* No such file or directory */
81 #define  ESRCH         3  /* No such process */
82 #define  EINTR         4  /* Interrupted system call */
83 #define  EIO           5  /* I/O error */
84 #define  ENXIO         6  /* No such device or address */
85 #define  E2BIG         7  /* Arg list too long */
86 #define  ENOEXEC       8  /* Exec format error */
87 #define  EBADF         9  /* Bad file number */
88 #define  ECHILD       10  /* No child processes */
89 #define  EAGAIN       11  /* Try again */
90 #define  ENOMEM       12  /* Out of memory */
91 #define  EACCES       13  /* Permission denied */
92 #define  EFAULT       14  /* Bad address */
93 #define  ENOTBLK      15  /* Block device required */
94 #define  EBUSY        16  /* Device or resource busy */
95 #define  EEXIST       17  /* File exists */
96 #define  EXDEV        18  /* Cross-device link */
97 #define  ENODEV       19  /* No such device */
98 #define  ENOTDIR      20  /* Not a directory */
99 #define  EISDIR       21  /* Is a directory */
100 #define  EINVAL       22  /* Invalid argument */
101 #define  ENFILE       23  /* File table overflow */
102 #define  EMFILE       24  /* Too many open files */
103 #define  ENOTTY       25  /* Not a typewriter */
104 #define  ETXTBSY      26  /* Text file busy */
105 #define  EFBIG        27  /* File too large */
106 #define  ENOSPC       28  /* No space left on device */
107 #define  ESPIPE       29  /* Illegal seek */
108 #define  EROFS        30  /* Read-only file system */
109 #define  EMLINK       31  /* Too many links */
110 #define  EPIPE        32  /* Broken pipe */
111 #define  EDOM         33  /* Math argument out of domain of func */
112 #define  ERANGE       34  /* Math result not representable */
113 #define  EDEADLK      35  /* Resource deadlock would occur */
114 #define  ENAMETOOLONG 36  /* File name too long */
115 #define  ENOLCK       37  /* No record locks available */
116 #define  ENOSYS       38  /* Function not implemented */
117 #define  ENOTEMPTY    39  /* Directory not empty */
118 #define  ELOOP        40  /* Too many symbolic links encountered */
119 #define  EWOULDBLOCK  EAGAIN  /* Operation would block */
120 #define  ENOMSG       42  /* No message of desired type */
121 #define  EIDRM        43  /* Identifier removed */
122 #define  ECHRNG       44  /* Channel number out of range */
123 #define  EL2NSYNC     45  /* Level 2 not synchronized */
124 #define  EL3HLT       46  /* Level 3 halted */
125 #define  EL3RST       47  /* Level 3 reset */
126 #define  ELNRNG       48  /* Link number out of range */
127 #define  EUNATCH      49  /* Protocol driver not attached */
128 #define  ENOCSI       50  /* No CSI structure available */
129 #define  EL2HLT       51  /* Level 2 halted */
130 #define  EBADE        52  /* Invalid exchange */
131 #define  EBADR        53  /* Invalid request descriptor */
132 #define  EXFULL       54  /* Exchange full */
133 #define  ENOANO       55  /* No anode */
134 #define  EBADRQC      56  /* Invalid request code */
135 #define  EBADSLT      57  /* Invalid slot */
136 
137 #define  EDEADLOCK    EDEADLK
138 
139 #define  EBFONT       59  /* Bad font file format */
140 #define  ENOSTR       60  /* Device not a stream */
141 #define  ENODATA      61  /* No data available */
142 #define  ETIME        62  /* Timer expired */
143 #define  ENOSR        63  /* Out of streams resources */
144 #define  ENONET       64  /* Machine is not on the network */
145 #define  ENOPKG       65  /* Package not installed */
146 #define  EREMOTE      66  /* Object is remote */
147 #define  ENOLINK      67  /* Link has been severed */
148 #define  EADV         68  /* Advertise error */
149 #define  ESRMNT       69  /* Srmount error */
150 #define  ECOMM        70  /* Communication error on send */
151 #define  EPROTO       71  /* Protocol error */
152 #define  EMULTIHOP    72  /* Multihop attempted */
153 #define  EDOTDOT      73  /* RFS specific error */
154 #define  EBADMSG      74  /* Not a data message */
155 #define  EOVERFLOW    75  /* Value too large for defined data type */
156 #define  ENOTUNIQ     76  /* Name not unique on network */
157 #define  EBADFD       77  /* File descriptor in bad state */
158 #define  EREMCHG      78  /* Remote address changed */
159 #define  ELIBACC      79  /* Can not access a needed shared library */
160 #define  ELIBBAD      80  /* Accessing a corrupted shared library */
161 #define  ELIBSCN      81  /* .lib section in a.out corrupted */
162 #define  ELIBMAX      82  /* Attempting to link in too many shared libraries */
163 #define  ELIBEXEC     83  /* Cannot exec a shared library directly */
164 #define  EILSEQ       84  /* Illegal byte sequence */
165 #define  ERESTART     85  /* Interrupted system call should be restarted */
166 #define  ESTRPIPE     86  /* Streams pipe error */
167 #define  EUSERS       87  /* Too many users */
168 #define  ENOTSOCK     88  /* Socket operation on non-socket */
169 #define  EDESTADDRREQ 89  /* Destination address required */
170 #define  EMSGSIZE     90  /* Message too long */
171 #define  EPROTOTYPE   91  /* Protocol wrong type for socket */
172 #define  ENOPROTOOPT  92  /* Protocol not available */
173 #define  EPROTONOSUPPORT 93  /* Protocol not supported */
174 #define  ESOCKTNOSUPPORT 94  /* Socket type not supported */
175 #define  EOPNOTSUPP      95  /* Operation not supported on transport endpoint */
176 #define  EPFNOSUPPORT    96  /* Protocol family not supported */
177 #define  EAFNOSUPPORT    97  /* Address family not supported by protocol */
178 #define  EADDRINUSE      98  /* Address already in use */
179 #define  EADDRNOTAVAIL   99  /* Cannot assign requested address */
180 #define  ENETDOWN       100  /* Network is down */
181 #define  ENETUNREACH    101  /* Network is unreachable */
182 #define  ENETRESET      102  /* Network dropped connection because of reset */
183 #define  ECONNABORTED   103  /* Software caused connection abort */
184 #define  ECONNRESET     104  /* Connection reset by peer */
185 #define  ENOBUFS        105  /* No buffer space available */
186 #define  EISCONN        106  /* Transport endpoint is already connected */
187 #define  ENOTCONN       107  /* Transport endpoint is not connected */
188 #define  ESHUTDOWN      108  /* Cannot send after transport endpoint shutdown */
189 #define  ETOOMANYREFS   109  /* Too many references: cannot splice */
190 #define  ETIMEDOUT      110  /* Connection timed out */
191 #define  ECONNREFUSED   111  /* Connection refused */
192 #define  EHOSTDOWN      112  /* Host is down */
193 #define  EHOSTUNREACH   113  /* No route to host */
194 #define  EALREADY       114  /* Operation already in progress */
195 #define  EINPROGRESS    115  /* Operation now in progress */
196 #define  ESTALE         116  /* Stale NFS file handle */
197 #define  EUCLEAN        117  /* Structure needs cleaning */
198 #define  ENOTNAM        118  /* Not a XENIX named type file */
199 #define  ENAVAIL        119  /* No XENIX semaphores available */
200 #define  EISNAM         120  /* Is a named type file */
201 #define  EREMOTEIO      121  /* Remote I/O error */
202 #define  EDQUOT         122  /* Quota exceeded */
203 
204 #define  ENOMEDIUM      123  /* No medium found */
205 #define  EMEDIUMTYPE    124  /* Wrong medium type */
206 
207 
208 #define ENSROK                    0 /* DNS server returned answer with no data */
209 #define ENSRNODATA              160 /* DNS server returned answer with no data */
210 #define ENSRFORMERR             161 /* DNS server claims query was misformatted */
211 #define ENSRSERVFAIL            162 /* DNS server returned general failure */
212 #define ENSRNOTFOUND            163 /* Domain name not found */
213 #define ENSRNOTIMP              164 /* DNS server does not implement requested operation */
214 #define ENSRREFUSED             165 /* DNS server refused query */
215 #define ENSRBADQUERY            166 /* Misformatted DNS query */
216 #define ENSRBADNAME             167 /* Misformatted domain name */
217 #define ENSRBADFAMILY           168 /* Unsupported address family */
218 #define ENSRBADRESP             169 /* Misformatted DNS reply */
219 #define ENSRCONNREFUSED         170 /* Could not contact DNS servers */
220 #define ENSRTIMEOUT             171 /* Timeout while contacting DNS servers */
221 #define ENSROF                  172 /* End of file */
222 #define ENSRFILE                173 /* Error reading file */
223 #define ENSRNOMEM               174 /* Out of memory */
224 #define ENSRDESTRUCTION         175 /* Application terminated lookup */
225 #define ENSRQUERYDOMAINTOOLONG  176 /* Domain name is too long */
226 #define ENSRCNAMELOOP           177 /* Domain name is too long */
227 
228 #ifndef errno
229 extern int errno;
230 #endif
231 
232 #endif /* LWIP_PROVIDE_ERRNO */
233 
234 #ifdef __cplusplus
235 }
236 #endif
237 
238 #endif /* __LWIP_ARCH_H__ */
239