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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 "internal.h"
16#include "afs_fs.h"
17
18/*
19 * convert an AFS abort code to a Linux error number
20 */
21int afs_abort_to_error(u32 abort_code)
22{
23 switch (abort_code) {
24 /* Low errno codes inserted into abort namespace */
25 case 13: return -EACCES;
26 case 27: return -EFBIG;
27 case 30: return -EROFS;
28
29 /* VICE "special error" codes; 101 - 111 */
30 case VSALVAGE: return -EIO;
31 case VNOVNODE: return -ENOENT;
32 case VNOVOL: return -ENOMEDIUM;
33 case VVOLEXISTS: return -EEXIST;
34 case VNOSERVICE: return -EIO;
35 case VOFFLINE: return -ENOENT;
36 case VONLINE: return -EEXIST;
37 case VDISKFULL: return -ENOSPC;
38 case VOVERQUOTA: return -EDQUOT;
39 case VBUSY: return -EBUSY;
40 case VMOVED: return -ENXIO;
41
42 /* Volume Location server errors */
43 case AFSVL_IDEXIST: return -EEXIST;
44 case AFSVL_IO: return -EREMOTEIO;
45 case AFSVL_NAMEEXIST: return -EEXIST;
46 case AFSVL_CREATEFAIL: return -EREMOTEIO;
47 case AFSVL_NOENT: return -ENOMEDIUM;
48 case AFSVL_EMPTY: return -ENOMEDIUM;
49 case AFSVL_ENTDELETED: return -ENOMEDIUM;
50 case AFSVL_BADNAME: return -EINVAL;
51 case AFSVL_BADINDEX: return -EINVAL;
52 case AFSVL_BADVOLTYPE: return -EINVAL;
53 case AFSVL_BADSERVER: return -EINVAL;
54 case AFSVL_BADPARTITION: return -EINVAL;
55 case AFSVL_REPSFULL: return -EFBIG;
56 case AFSVL_NOREPSERVER: return -ENOENT;
57 case AFSVL_DUPREPSERVER: return -EEXIST;
58 case AFSVL_RWNOTFOUND: return -ENOENT;
59 case AFSVL_BADREFCOUNT: return -EINVAL;
60 case AFSVL_SIZEEXCEEDED: return -EINVAL;
61 case AFSVL_BADENTRY: return -EINVAL;
62 case AFSVL_BADVOLIDBUMP: return -EINVAL;
63 case AFSVL_IDALREADYHASHED: return -EINVAL;
64 case AFSVL_ENTRYLOCKED: return -EBUSY;
65 case AFSVL_BADVOLOPER: return -EBADRQC;
66 case AFSVL_BADRELLOCKTYPE: return -EINVAL;
67 case AFSVL_RERELEASE: return -EREMOTEIO;
68 case AFSVL_BADSERVERFLAG: return -EINVAL;
69 case AFSVL_PERM: return -EACCES;
70 case AFSVL_NOMEM: return -EREMOTEIO;
71
72 /* Unified AFS error table; ET "uae" == 0x2f6df00 */
73 case 0x2f6df00: return -EPERM;
74 case 0x2f6df01: return -ENOENT;
75 case 0x2f6df04: return -EIO;
76 case 0x2f6df0a: return -EAGAIN;
77 case 0x2f6df0b: return -ENOMEM;
78 case 0x2f6df0c: return -EACCES;
79 case 0x2f6df0f: return -EBUSY;
80 case 0x2f6df10: return -EEXIST;
81 case 0x2f6df11: return -EXDEV;
82 case 0x2f6df12: return -ENODEV;
83 case 0x2f6df13: return -ENOTDIR;
84 case 0x2f6df14: return -EISDIR;
85 case 0x2f6df15: return -EINVAL;
86 case 0x2f6df1a: return -EFBIG;
87 case 0x2f6df1b: return -ENOSPC;
88 case 0x2f6df1d: return -EROFS;
89 case 0x2f6df1e: return -EMLINK;
90 case 0x2f6df20: return -EDOM;
91 case 0x2f6df21: return -ERANGE;
92 case 0x2f6df22: return -EDEADLK;
93 case 0x2f6df23: return -ENAMETOOLONG;
94 case 0x2f6df24: return -ENOLCK;
95 case 0x2f6df26: return -ENOTEMPTY;
96 case 0x2f6df28: return -EWOULDBLOCK;
97 case 0x2f6df69: return -ENOTCONN;
98 case 0x2f6df6c: return -ETIMEDOUT;
99 case 0x2f6df78: return -EDQUOT;
100
101 /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */
102 case RXKADINCONSISTENCY: return -EPROTO;
103 case RXKADPACKETSHORT: return -EPROTO;
104 case RXKADLEVELFAIL: return -EKEYREJECTED;
105 case RXKADTICKETLEN: return -EKEYREJECTED;
106 case RXKADOUTOFSEQUENCE: return -EPROTO;
107 case RXKADNOAUTH: return -EKEYREJECTED;
108 case RXKADBADKEY: return -EKEYREJECTED;
109 case RXKADBADTICKET: return -EKEYREJECTED;
110 case RXKADUNKNOWNKEY: return -EKEYREJECTED;
111 case RXKADEXPIRED: return -EKEYEXPIRED;
112 case RXKADSEALEDINCON: return -EKEYREJECTED;
113 case RXKADDATALEN: return -EKEYREJECTED;
114 case RXKADILLEGALLEVEL: return -EKEYREJECTED;
115
116 case RXGEN_OPCODE: return -ENOTSUPP;
117
118 default: return -EREMOTEIO;
119 }
120}
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 UAEOVERFLOW: return -EOVERFLOW;
87 case UAENOMEDIUM: return -ENOMEDIUM;
88 case UAEDQUOT: return -EDQUOT;
89
90 /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */
91 case RXKADINCONSISTENCY: return -EPROTO;
92 case RXKADPACKETSHORT: return -EPROTO;
93 case RXKADLEVELFAIL: return -EKEYREJECTED;
94 case RXKADTICKETLEN: return -EKEYREJECTED;
95 case RXKADOUTOFSEQUENCE: return -EPROTO;
96 case RXKADNOAUTH: return -EKEYREJECTED;
97 case RXKADBADKEY: return -EKEYREJECTED;
98 case RXKADBADTICKET: return -EKEYREJECTED;
99 case RXKADUNKNOWNKEY: return -EKEYREJECTED;
100 case RXKADEXPIRED: return -EKEYEXPIRED;
101 case RXKADSEALEDINCON: return -EKEYREJECTED;
102 case RXKADDATALEN: return -EKEYREJECTED;
103 case RXKADILLEGALLEVEL: return -EKEYREJECTED;
104
105 case RXGEN_OPCODE: return -ENOTSUPP;
106
107 default: return -EREMOTEIO;
108 }
109}
110
111/*
112 * Select the error to report from a set of errors.
113 */
114void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
115{
116 switch (error) {
117 case 0:
118 return;
119 default:
120 if (e->error == -ETIMEDOUT ||
121 e->error == -ETIME)
122 return;
123 fallthrough;
124 case -ETIMEDOUT:
125 case -ETIME:
126 if (e->error == -ENOMEM ||
127 e->error == -ENONET)
128 return;
129 fallthrough;
130 case -ENOMEM:
131 case -ENONET:
132 if (e->error == -ERFKILL)
133 return;
134 fallthrough;
135 case -ERFKILL:
136 if (e->error == -EADDRNOTAVAIL)
137 return;
138 fallthrough;
139 case -EADDRNOTAVAIL:
140 if (e->error == -ENETUNREACH)
141 return;
142 fallthrough;
143 case -ENETUNREACH:
144 if (e->error == -EHOSTUNREACH)
145 return;
146 fallthrough;
147 case -EHOSTUNREACH:
148 if (e->error == -EHOSTDOWN)
149 return;
150 fallthrough;
151 case -EHOSTDOWN:
152 if (e->error == -ECONNREFUSED)
153 return;
154 fallthrough;
155 case -ECONNREFUSED:
156 if (e->error == -ECONNRESET)
157 return;
158 fallthrough;
159 case -ECONNRESET: /* Responded, but call expired. */
160 if (e->responded)
161 return;
162 e->error = error;
163 return;
164
165 case -ECONNABORTED:
166 e->responded = true;
167 e->error = afs_abort_to_error(abort_code);
168 return;
169 }
170}