blob: ed774a2e989a22da8ec94e35eaa5d1bca644fd89 [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -06001/*
2 * The NFC Controller Interface is the communication protocol between an
3 * NFC Controller (NFCC) and a Device Host (DH).
4 *
5 * Copyright (C) 2011 Texas Instruments, Inc.
6 *
7 * Written by Ilan Elias <ilane@ti.com>
8 *
9 * Acknowledgements:
10 * This file is based on lib.c, which was written
11 * by Maxim Krasnyansky.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2
15 * as published by the Free Software Foundation
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 *
25 */
26
27#include <linux/module.h>
28#include <linux/kernel.h>
29#include <linux/types.h>
30#include <linux/errno.h>
31
32#include <net/nfc/nci.h>
33#include <net/nfc/nci_core.h>
34
35/* NCI status codes to Unix errno mapping */
36int nci_to_errno(__u8 code)
37{
38 switch (code) {
39 case NCI_STATUS_OK:
40 return 0;
41
42 case NCI_STATUS_REJECTED:
43 return -EBUSY;
44
45 case NCI_STATUS_RF_FRAME_CORRUPTED:
46 return -EBADMSG;
47
48 case NCI_STATUS_NOT_INITIALIZED:
49 return -EHOSTDOWN;
50
51 case NCI_STATUS_SYNTAX_ERROR:
52 case NCI_STATUS_SEMANTIC_ERROR:
53 case NCI_STATUS_INVALID_PARAM:
54 case NCI_STATUS_RF_PROTOCOL_ERROR:
55 case NCI_STATUS_NFCEE_PROTOCOL_ERROR:
56 return -EPROTO;
57
58 case NCI_STATUS_UNKNOWN_GID:
59 case NCI_STATUS_UNKNOWN_OID:
60 return -EBADRQC;
61
62 case NCI_STATUS_MESSAGE_SIZE_EXCEEDED:
63 return -EMSGSIZE;
64
65 case NCI_STATUS_DISCOVERY_ALREADY_STARTED:
66 return -EALREADY;
67
68 case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED:
69 case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED:
70 return -ECONNREFUSED;
71
72 case NCI_STATUS_RF_TRANSMISSION_ERROR:
73 case NCI_STATUS_NFCEE_TRANSMISSION_ERROR:
74 return -ECOMM;
75
76 case NCI_STATUS_RF_TIMEOUT_ERROR:
77 case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
78 return -ETIMEDOUT;
79
80 case NCI_STATUS_FAILED:
81 default:
82 return -ENOSYS;
83 }
84}
85EXPORT_SYMBOL(nci_to_errno);