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caab277b | 1 | // SPDX-License-Identifier: GPL-2.0-only |
6a2968aa IE |
2 | /* |
3 | * The NFC Controller Interface is the communication protocol between an | |
4 | * NFC Controller (NFCC) and a Device Host (DH). | |
5 | * | |
6 | * Copyright (C) 2011 Texas Instruments, Inc. | |
7 | * | |
8 | * Written by Ilan Elias <ilane@ti.com> | |
9 | * | |
10 | * Acknowledgements: | |
11 | * This file is based on lib.c, which was written | |
12 | * by Maxim Krasnyansky. | |
6a2968aa IE |
13 | */ |
14 | ||
15 | #include <linux/module.h> | |
16 | #include <linux/kernel.h> | |
17 | #include <linux/types.h> | |
18 | #include <linux/errno.h> | |
19 | ||
20 | #include <net/nfc/nci.h> | |
502b4240 | 21 | #include <net/nfc/nci_core.h> |
6a2968aa IE |
22 | |
23 | /* NCI status codes to Unix errno mapping */ | |
24 | int nci_to_errno(__u8 code) | |
25 | { | |
26 | switch (code) { | |
27 | case NCI_STATUS_OK: | |
28 | return 0; | |
29 | ||
30 | case NCI_STATUS_REJECTED: | |
31 | return -EBUSY; | |
32 | ||
e8c0dacd | 33 | case NCI_STATUS_RF_FRAME_CORRUPTED: |
6a2968aa IE |
34 | return -EBADMSG; |
35 | ||
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36 | case NCI_STATUS_NOT_INITIALIZED: |
37 | return -EHOSTDOWN; | |
38 | ||
39 | case NCI_STATUS_SYNTAX_ERROR: | |
40 | case NCI_STATUS_SEMANTIC_ERROR: | |
41 | case NCI_STATUS_INVALID_PARAM: | |
42 | case NCI_STATUS_RF_PROTOCOL_ERROR: | |
43 | case NCI_STATUS_NFCEE_PROTOCOL_ERROR: | |
44 | return -EPROTO; | |
45 | ||
46 | case NCI_STATUS_UNKNOWN_GID: | |
47 | case NCI_STATUS_UNKNOWN_OID: | |
48 | return -EBADRQC; | |
49 | ||
50 | case NCI_STATUS_MESSAGE_SIZE_EXCEEDED: | |
51 | return -EMSGSIZE; | |
52 | ||
53 | case NCI_STATUS_DISCOVERY_ALREADY_STARTED: | |
54 | return -EALREADY; | |
55 | ||
56 | case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED: | |
57 | case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED: | |
58 | return -ECONNREFUSED; | |
59 | ||
60 | case NCI_STATUS_RF_TRANSMISSION_ERROR: | |
61 | case NCI_STATUS_NFCEE_TRANSMISSION_ERROR: | |
62 | return -ECOMM; | |
63 | ||
64 | case NCI_STATUS_RF_TIMEOUT_ERROR: | |
65 | case NCI_STATUS_NFCEE_TIMEOUT_ERROR: | |
66 | return -ETIMEDOUT; | |
67 | ||
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68 | case NCI_STATUS_FAILED: |
69 | default: | |
70 | return -ENOSYS; | |
71 | } | |
72 | } | |
73 | EXPORT_SYMBOL(nci_to_errno); |