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v6.2
  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 UAEAGAIN:			return -EAGAIN;
 73	case UAEACCES:			return -EACCES;
 74	case UAEBUSY:			return -EBUSY;
 75	case UAEEXIST:			return -EEXIST;
 76	case UAENOTDIR:			return -ENOTDIR;
 77	case UAEISDIR:			return -EISDIR;
 78	case UAEFBIG:			return -EFBIG;
 79	case UAENOSPC:			return -ENOSPC;
 80	case UAEROFS:			return -EROFS;
 81	case UAEMLINK:			return -EMLINK;
 82	case UAEDEADLK:			return -EDEADLK;
 83	case UAENAMETOOLONG:		return -ENAMETOOLONG;
 84	case UAENOLCK:			return -ENOLCK;
 85	case UAENOTEMPTY:		return -ENOTEMPTY;
 86	case UAELOOP:			return -ELOOP;
 87	case UAEOVERFLOW:		return -EOVERFLOW;
 88	case UAENOMEDIUM:		return -ENOMEDIUM;
 89	case UAEDQUOT:			return -EDQUOT;
 90
 91		/* RXKAD abort codes; from include/rxrpc/packet.h.  ET "RXK" == 0x1260B00 */
 92	case RXKADINCONSISTENCY: return -EPROTO;
 93	case RXKADPACKETSHORT:	return -EPROTO;
 94	case RXKADLEVELFAIL:	return -EKEYREJECTED;
 95	case RXKADTICKETLEN:	return -EKEYREJECTED;
 96	case RXKADOUTOFSEQUENCE: return -EPROTO;
 97	case RXKADNOAUTH:	return -EKEYREJECTED;
 98	case RXKADBADKEY:	return -EKEYREJECTED;
 99	case RXKADBADTICKET:	return -EKEYREJECTED;
100	case RXKADUNKNOWNKEY:	return -EKEYREJECTED;
101	case RXKADEXPIRED:	return -EKEYEXPIRED;
102	case RXKADSEALEDINCON:	return -EKEYREJECTED;
103	case RXKADDATALEN:	return -EKEYREJECTED;
104	case RXKADILLEGALLEVEL:	return -EKEYREJECTED;
105
106	case RXGEN_OPCODE:	return -ENOTSUPP;
107
108	default:		return -EREMOTEIO;
109	}
110}
111
112/*
113 * Select the error to report from a set of errors.
114 */
115void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
116{
117	switch (error) {
118	case 0:
 
 
119		return;
120	default:
121		if (e->error == -ETIMEDOUT ||
122		    e->error == -ETIME)
123			return;
124		fallthrough;
125	case -ETIMEDOUT:
126	case -ETIME:
127		if (e->error == -ENOMEM ||
128		    e->error == -ENONET)
129			return;
130		fallthrough;
131	case -ENOMEM:
132	case -ENONET:
133		if (e->error == -ERFKILL)
134			return;
135		fallthrough;
136	case -ERFKILL:
137		if (e->error == -EADDRNOTAVAIL)
138			return;
139		fallthrough;
140	case -EADDRNOTAVAIL:
141		if (e->error == -ENETUNREACH)
142			return;
143		fallthrough;
144	case -ENETUNREACH:
145		if (e->error == -EHOSTUNREACH)
146			return;
147		fallthrough;
148	case -EHOSTUNREACH:
149		if (e->error == -EHOSTDOWN)
150			return;
151		fallthrough;
152	case -EHOSTDOWN:
153		if (e->error == -ECONNREFUSED)
154			return;
155		fallthrough;
156	case -ECONNREFUSED:
157		if (e->error == -ECONNRESET)
158			return;
159		fallthrough;
160	case -ECONNRESET: /* Responded, but call expired. */
161		if (e->responded)
162			return;
163		e->error = error;
 
164		return;
165
166	case -ECONNABORTED:
167		error = afs_abort_to_error(abort_code);
168		fallthrough;
 
 
169	case -ENETRESET: /* Responded, but we seem to have changed address */
 
170		e->responded = true;
171		e->error = error;
172		return;
173	}
174}
v6.13.7
  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 UAEAGAIN:			return -EAGAIN;
 73	case UAEACCES:			return -EACCES;
 74	case UAEBUSY:			return -EBUSY;
 75	case UAEEXIST:			return -EEXIST;
 76	case UAENOTDIR:			return -ENOTDIR;
 77	case UAEISDIR:			return -EISDIR;
 78	case UAEFBIG:			return -EFBIG;
 79	case UAENOSPC:			return -ENOSPC;
 80	case UAEROFS:			return -EROFS;
 81	case UAEMLINK:			return -EMLINK;
 82	case UAEDEADLK:			return -EDEADLK;
 83	case UAENAMETOOLONG:		return -ENAMETOOLONG;
 84	case UAENOLCK:			return -ENOLCK;
 85	case UAENOTEMPTY:		return -ENOTEMPTY;
 86	case UAELOOP:			return -ELOOP;
 87	case UAEOVERFLOW:		return -EOVERFLOW;
 88	case UAENOMEDIUM:		return -ENOMEDIUM;
 89	case UAEDQUOT:			return -EDQUOT;
 90
 91		/* RXKAD abort codes; from include/rxrpc/packet.h.  ET "RXK" == 0x1260B00 */
 92	case RXKADINCONSISTENCY: return -EPROTO;
 93	case RXKADPACKETSHORT:	return -EPROTO;
 94	case RXKADLEVELFAIL:	return -EKEYREJECTED;
 95	case RXKADTICKETLEN:	return -EKEYREJECTED;
 96	case RXKADOUTOFSEQUENCE: return -EPROTO;
 97	case RXKADNOAUTH:	return -EKEYREJECTED;
 98	case RXKADBADKEY:	return -EKEYREJECTED;
 99	case RXKADBADTICKET:	return -EKEYREJECTED;
100	case RXKADUNKNOWNKEY:	return -EKEYREJECTED;
101	case RXKADEXPIRED:	return -EKEYEXPIRED;
102	case RXKADSEALEDINCON:	return -EKEYREJECTED;
103	case RXKADDATALEN:	return -EKEYREJECTED;
104	case RXKADILLEGALLEVEL:	return -EKEYREJECTED;
105
106	case RXGEN_OPCODE:	return -ENOTSUPP;
107
108	default:		return -EREMOTEIO;
109	}
110}
111
112/*
113 * Select the error to report from a set of errors.
114 */
115void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
116{
117	switch (error) {
118	case 0:
119		e->aborted = false;
120		e->error = 0;
121		return;
122	default:
123		if (e->error == -ETIMEDOUT ||
124		    e->error == -ETIME)
125			return;
126		fallthrough;
127	case -ETIMEDOUT:
128	case -ETIME:
129		if (e->error == -ENOMEM ||
130		    e->error == -ENONET)
131			return;
132		fallthrough;
133	case -ENOMEM:
134	case -ENONET:
135		if (e->error == -ERFKILL)
136			return;
137		fallthrough;
138	case -ERFKILL:
139		if (e->error == -EADDRNOTAVAIL)
140			return;
141		fallthrough;
142	case -EADDRNOTAVAIL:
143		if (e->error == -ENETUNREACH)
144			return;
145		fallthrough;
146	case -ENETUNREACH:
147		if (e->error == -EHOSTUNREACH)
148			return;
149		fallthrough;
150	case -EHOSTUNREACH:
151		if (e->error == -EHOSTDOWN)
152			return;
153		fallthrough;
154	case -EHOSTDOWN:
155		if (e->error == -ECONNREFUSED)
156			return;
157		fallthrough;
158	case -ECONNREFUSED:
159		if (e->error == -ECONNRESET)
160			return;
161		fallthrough;
162	case -ECONNRESET: /* Responded, but call expired. */
163		if (e->responded)
164			return;
165		e->error = error;
166		e->aborted = false;
167		return;
168
169	case -ECONNABORTED:
170		e->error = afs_abort_to_error(abort_code);
171		e->aborted = true;
172		e->responded = true;
173		return;
174	case -ENETRESET: /* Responded, but we seem to have changed address */
175		e->aborted = false;
176		e->responded = true;
177		e->error = error;
178		return;
179	}
180}