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1/* miscellaneous bits
2 *
3 * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/kernel.h>
13#include <linux/module.h>
14#include <linux/errno.h>
15#include <rxrpc/packet.h>
16#include "internal.h"
17#include "afs_fs.h"
18
19/*
20 * convert an AFS abort code to a Linux error number
21 */
22int afs_abort_to_error(u32 abort_code)
23{
24 switch (abort_code) {
25 /* low errno codes inserted into abort namespace */
26 case 13: return -EACCES;
27 case 27: return -EFBIG;
28 case 30: return -EROFS;
29
30 /* VICE "special error" codes; 101 - 111 */
31 case VSALVAGE: return -EIO;
32 case VNOVNODE: return -ENOENT;
33 case VNOVOL: return -ENOMEDIUM;
34 case VVOLEXISTS: return -EEXIST;
35 case VNOSERVICE: return -EIO;
36 case VOFFLINE: return -ENOENT;
37 case VONLINE: return -EEXIST;
38 case VDISKFULL: return -ENOSPC;
39 case VOVERQUOTA: return -EDQUOT;
40 case VBUSY: return -EBUSY;
41 case VMOVED: return -ENXIO;
42
43 /* Unified AFS error table; ET "uae" == 0x2f6df00 */
44 case 0x2f6df00: return -EPERM;
45 case 0x2f6df01: return -ENOENT;
46 case 0x2f6df04: return -EIO;
47 case 0x2f6df0a: return -EAGAIN;
48 case 0x2f6df0b: return -ENOMEM;
49 case 0x2f6df0c: return -EACCES;
50 case 0x2f6df0f: return -EBUSY;
51 case 0x2f6df10: return -EEXIST;
52 case 0x2f6df11: return -EXDEV;
53 case 0x2f6df12: return -ENODEV;
54 case 0x2f6df13: return -ENOTDIR;
55 case 0x2f6df14: return -EISDIR;
56 case 0x2f6df15: return -EINVAL;
57 case 0x2f6df1a: return -EFBIG;
58 case 0x2f6df1b: return -ENOSPC;
59 case 0x2f6df1d: return -EROFS;
60 case 0x2f6df1e: return -EMLINK;
61 case 0x2f6df20: return -EDOM;
62 case 0x2f6df21: return -ERANGE;
63 case 0x2f6df22: return -EDEADLK;
64 case 0x2f6df23: return -ENAMETOOLONG;
65 case 0x2f6df24: return -ENOLCK;
66 case 0x2f6df26: return -ENOTEMPTY;
67 case 0x2f6df28: return -EWOULDBLOCK;
68 case 0x2f6df69: return -ENOTCONN;
69 case 0x2f6df6c: return -ETIMEDOUT;
70 case 0x2f6df78: return -EDQUOT;
71
72 /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */
73 case RXKADINCONSISTENCY: return -EPROTO;
74 case RXKADPACKETSHORT: return -EPROTO;
75 case RXKADLEVELFAIL: return -EKEYREJECTED;
76 case RXKADTICKETLEN: return -EKEYREJECTED;
77 case RXKADOUTOFSEQUENCE: return -EPROTO;
78 case RXKADNOAUTH: return -EKEYREJECTED;
79 case RXKADBADKEY: return -EKEYREJECTED;
80 case RXKADBADTICKET: return -EKEYREJECTED;
81 case RXKADUNKNOWNKEY: return -EKEYREJECTED;
82 case RXKADEXPIRED: return -EKEYEXPIRED;
83 case RXKADSEALEDINCON: return -EKEYREJECTED;
84 case RXKADDATALEN: return -EKEYREJECTED;
85 case RXKADILLEGALLEVEL: return -EKEYREJECTED;
86
87 default: return -EREMOTEIO;
88 }
89}
1// SPDX-License-Identifier: GPL-2.0-or-later
2/* miscellaneous bits
3 *
4 * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
6 */
7
8#include <linux/kernel.h>
9#include <linux/module.h>
10#include <linux/errno.h>
11#include "internal.h"
12#include "afs_fs.h"
13#include "protocol_uae.h"
14
15/*
16 * convert an AFS abort code to a Linux error number
17 */
18int afs_abort_to_error(u32 abort_code)
19{
20 switch (abort_code) {
21 /* Low errno codes inserted into abort namespace */
22 case 13: return -EACCES;
23 case 27: return -EFBIG;
24 case 30: return -EROFS;
25
26 /* VICE "special error" codes; 101 - 111 */
27 case VSALVAGE: return -EIO;
28 case VNOVNODE: return -ENOENT;
29 case VNOVOL: return -ENOMEDIUM;
30 case VVOLEXISTS: return -EEXIST;
31 case VNOSERVICE: return -EIO;
32 case VOFFLINE: return -ENOENT;
33 case VONLINE: return -EEXIST;
34 case VDISKFULL: return -ENOSPC;
35 case VOVERQUOTA: return -EDQUOT;
36 case VBUSY: return -EBUSY;
37 case VMOVED: return -ENXIO;
38
39 /* Volume Location server errors */
40 case AFSVL_IDEXIST: return -EEXIST;
41 case AFSVL_IO: return -EREMOTEIO;
42 case AFSVL_NAMEEXIST: return -EEXIST;
43 case AFSVL_CREATEFAIL: return -EREMOTEIO;
44 case AFSVL_NOENT: return -ENOMEDIUM;
45 case AFSVL_EMPTY: return -ENOMEDIUM;
46 case AFSVL_ENTDELETED: return -ENOMEDIUM;
47 case AFSVL_BADNAME: return -EINVAL;
48 case AFSVL_BADINDEX: return -EINVAL;
49 case AFSVL_BADVOLTYPE: return -EINVAL;
50 case AFSVL_BADSERVER: return -EINVAL;
51 case AFSVL_BADPARTITION: return -EINVAL;
52 case AFSVL_REPSFULL: return -EFBIG;
53 case AFSVL_NOREPSERVER: return -ENOENT;
54 case AFSVL_DUPREPSERVER: return -EEXIST;
55 case AFSVL_RWNOTFOUND: return -ENOENT;
56 case AFSVL_BADREFCOUNT: return -EINVAL;
57 case AFSVL_SIZEEXCEEDED: return -EINVAL;
58 case AFSVL_BADENTRY: return -EINVAL;
59 case AFSVL_BADVOLIDBUMP: return -EINVAL;
60 case AFSVL_IDALREADYHASHED: return -EINVAL;
61 case AFSVL_ENTRYLOCKED: return -EBUSY;
62 case AFSVL_BADVOLOPER: return -EBADRQC;
63 case AFSVL_BADRELLOCKTYPE: return -EINVAL;
64 case AFSVL_RERELEASE: return -EREMOTEIO;
65 case AFSVL_BADSERVERFLAG: return -EINVAL;
66 case AFSVL_PERM: return -EACCES;
67 case AFSVL_NOMEM: return -EREMOTEIO;
68
69 /* Unified AFS error table */
70 case UAEPERM: return -EPERM;
71 case UAENOENT: return -ENOENT;
72 case UAEACCES: return -EACCES;
73 case UAEBUSY: return -EBUSY;
74 case UAEEXIST: return -EEXIST;
75 case UAENOTDIR: return -ENOTDIR;
76 case UAEISDIR: return -EISDIR;
77 case UAEFBIG: return -EFBIG;
78 case UAENOSPC: return -ENOSPC;
79 case UAEROFS: return -EROFS;
80 case UAEMLINK: return -EMLINK;
81 case UAEDEADLK: return -EDEADLK;
82 case UAENAMETOOLONG: return -ENAMETOOLONG;
83 case UAENOLCK: return -ENOLCK;
84 case UAENOTEMPTY: return -ENOTEMPTY;
85 case UAELOOP: return -ELOOP;
86 case UAENOMEDIUM: return -ENOMEDIUM;
87 case UAEDQUOT: return -EDQUOT;
88
89 /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */
90 case RXKADINCONSISTENCY: return -EPROTO;
91 case RXKADPACKETSHORT: return -EPROTO;
92 case RXKADLEVELFAIL: return -EKEYREJECTED;
93 case RXKADTICKETLEN: return -EKEYREJECTED;
94 case RXKADOUTOFSEQUENCE: return -EPROTO;
95 case RXKADNOAUTH: return -EKEYREJECTED;
96 case RXKADBADKEY: return -EKEYREJECTED;
97 case RXKADBADTICKET: return -EKEYREJECTED;
98 case RXKADUNKNOWNKEY: return -EKEYREJECTED;
99 case RXKADEXPIRED: return -EKEYEXPIRED;
100 case RXKADSEALEDINCON: return -EKEYREJECTED;
101 case RXKADDATALEN: return -EKEYREJECTED;
102 case RXKADILLEGALLEVEL: return -EKEYREJECTED;
103
104 case RXGEN_OPCODE: return -ENOTSUPP;
105
106 default: return -EREMOTEIO;
107 }
108}
109
110/*
111 * Select the error to report from a set of errors.
112 */
113void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
114{
115 switch (error) {
116 case 0:
117 return;
118 default:
119 if (e->error == -ETIMEDOUT ||
120 e->error == -ETIME)
121 return;
122 /* Fall through */
123 case -ETIMEDOUT:
124 case -ETIME:
125 if (e->error == -ENOMEM ||
126 e->error == -ENONET)
127 return;
128 /* Fall through */
129 case -ENOMEM:
130 case -ENONET:
131 if (e->error == -ERFKILL)
132 return;
133 /* Fall through */
134 case -ERFKILL:
135 if (e->error == -EADDRNOTAVAIL)
136 return;
137 /* Fall through */
138 case -EADDRNOTAVAIL:
139 if (e->error == -ENETUNREACH)
140 return;
141 /* Fall through */
142 case -ENETUNREACH:
143 if (e->error == -EHOSTUNREACH)
144 return;
145 /* Fall through */
146 case -EHOSTUNREACH:
147 if (e->error == -EHOSTDOWN)
148 return;
149 /* Fall through */
150 case -EHOSTDOWN:
151 if (e->error == -ECONNREFUSED)
152 return;
153 /* Fall through */
154 case -ECONNREFUSED:
155 if (e->error == -ECONNRESET)
156 return;
157 /* Fall through */
158 case -ECONNRESET: /* Responded, but call expired. */
159 if (e->responded)
160 return;
161 e->error = error;
162 return;
163
164 case -ECONNABORTED:
165 e->responded = true;
166 e->error = afs_abort_to_error(abort_code);
167 return;
168 }
169}