123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174 |
- // SPDX-License-Identifier: GPL-2.0-or-later
- /* miscellaneous bits
- *
- * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells ([email protected])
- */
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/errno.h>
- #include "internal.h"
- #include "afs_fs.h"
- #include "protocol_uae.h"
- /*
- * convert an AFS abort code to a Linux error number
- */
- int afs_abort_to_error(u32 abort_code)
- {
- switch (abort_code) {
- /* Low errno codes inserted into abort namespace */
- case 13: return -EACCES;
- case 27: return -EFBIG;
- case 30: return -EROFS;
- /* VICE "special error" codes; 101 - 111 */
- case VSALVAGE: return -EIO;
- case VNOVNODE: return -ENOENT;
- case VNOVOL: return -ENOMEDIUM;
- case VVOLEXISTS: return -EEXIST;
- case VNOSERVICE: return -EIO;
- case VOFFLINE: return -ENOENT;
- case VONLINE: return -EEXIST;
- case VDISKFULL: return -ENOSPC;
- case VOVERQUOTA: return -EDQUOT;
- case VBUSY: return -EBUSY;
- case VMOVED: return -ENXIO;
- /* Volume Location server errors */
- case AFSVL_IDEXIST: return -EEXIST;
- case AFSVL_IO: return -EREMOTEIO;
- case AFSVL_NAMEEXIST: return -EEXIST;
- case AFSVL_CREATEFAIL: return -EREMOTEIO;
- case AFSVL_NOENT: return -ENOMEDIUM;
- case AFSVL_EMPTY: return -ENOMEDIUM;
- case AFSVL_ENTDELETED: return -ENOMEDIUM;
- case AFSVL_BADNAME: return -EINVAL;
- case AFSVL_BADINDEX: return -EINVAL;
- case AFSVL_BADVOLTYPE: return -EINVAL;
- case AFSVL_BADSERVER: return -EINVAL;
- case AFSVL_BADPARTITION: return -EINVAL;
- case AFSVL_REPSFULL: return -EFBIG;
- case AFSVL_NOREPSERVER: return -ENOENT;
- case AFSVL_DUPREPSERVER: return -EEXIST;
- case AFSVL_RWNOTFOUND: return -ENOENT;
- case AFSVL_BADREFCOUNT: return -EINVAL;
- case AFSVL_SIZEEXCEEDED: return -EINVAL;
- case AFSVL_BADENTRY: return -EINVAL;
- case AFSVL_BADVOLIDBUMP: return -EINVAL;
- case AFSVL_IDALREADYHASHED: return -EINVAL;
- case AFSVL_ENTRYLOCKED: return -EBUSY;
- case AFSVL_BADVOLOPER: return -EBADRQC;
- case AFSVL_BADRELLOCKTYPE: return -EINVAL;
- case AFSVL_RERELEASE: return -EREMOTEIO;
- case AFSVL_BADSERVERFLAG: return -EINVAL;
- case AFSVL_PERM: return -EACCES;
- case AFSVL_NOMEM: return -EREMOTEIO;
- /* Unified AFS error table */
- case UAEPERM: return -EPERM;
- case UAENOENT: return -ENOENT;
- case UAEAGAIN: return -EAGAIN;
- case UAEACCES: return -EACCES;
- case UAEBUSY: return -EBUSY;
- case UAEEXIST: return -EEXIST;
- case UAENOTDIR: return -ENOTDIR;
- case UAEISDIR: return -EISDIR;
- case UAEFBIG: return -EFBIG;
- case UAENOSPC: return -ENOSPC;
- case UAEROFS: return -EROFS;
- case UAEMLINK: return -EMLINK;
- case UAEDEADLK: return -EDEADLK;
- case UAENAMETOOLONG: return -ENAMETOOLONG;
- case UAENOLCK: return -ENOLCK;
- case UAENOTEMPTY: return -ENOTEMPTY;
- case UAELOOP: return -ELOOP;
- case UAEOVERFLOW: return -EOVERFLOW;
- case UAENOMEDIUM: return -ENOMEDIUM;
- case UAEDQUOT: return -EDQUOT;
- /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */
- case RXKADINCONSISTENCY: return -EPROTO;
- case RXKADPACKETSHORT: return -EPROTO;
- case RXKADLEVELFAIL: return -EKEYREJECTED;
- case RXKADTICKETLEN: return -EKEYREJECTED;
- case RXKADOUTOFSEQUENCE: return -EPROTO;
- case RXKADNOAUTH: return -EKEYREJECTED;
- case RXKADBADKEY: return -EKEYREJECTED;
- case RXKADBADTICKET: return -EKEYREJECTED;
- case RXKADUNKNOWNKEY: return -EKEYREJECTED;
- case RXKADEXPIRED: return -EKEYEXPIRED;
- case RXKADSEALEDINCON: return -EKEYREJECTED;
- case RXKADDATALEN: return -EKEYREJECTED;
- case RXKADILLEGALLEVEL: return -EKEYREJECTED;
- case RXGEN_OPCODE: return -ENOTSUPP;
- default: return -EREMOTEIO;
- }
- }
- /*
- * Select the error to report from a set of errors.
- */
- void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
- {
- switch (error) {
- case 0:
- return;
- default:
- if (e->error == -ETIMEDOUT ||
- e->error == -ETIME)
- return;
- fallthrough;
- case -ETIMEDOUT:
- case -ETIME:
- if (e->error == -ENOMEM ||
- e->error == -ENONET)
- return;
- fallthrough;
- case -ENOMEM:
- case -ENONET:
- if (e->error == -ERFKILL)
- return;
- fallthrough;
- case -ERFKILL:
- if (e->error == -EADDRNOTAVAIL)
- return;
- fallthrough;
- case -EADDRNOTAVAIL:
- if (e->error == -ENETUNREACH)
- return;
- fallthrough;
- case -ENETUNREACH:
- if (e->error == -EHOSTUNREACH)
- return;
- fallthrough;
- case -EHOSTUNREACH:
- if (e->error == -EHOSTDOWN)
- return;
- fallthrough;
- case -EHOSTDOWN:
- if (e->error == -ECONNREFUSED)
- return;
- fallthrough;
- case -ECONNREFUSED:
- if (e->error == -ECONNRESET)
- return;
- fallthrough;
- case -ECONNRESET: /* Responded, but call expired. */
- if (e->responded)
- return;
- e->error = error;
- return;
- case -ECONNABORTED:
- error = afs_abort_to_error(abort_code);
- fallthrough;
- case -ENETRESET: /* Responded, but we seem to have changed address */
- e->responded = true;
- e->error = error;
- return;
- }
- }
|