1 | // SPDX-License-Identifier: GPL-2.0-only |
---|---|
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. |
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> |
21 | #include <net/nfc/nci_core.h> |
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 | |
33 | case NCI_STATUS_RF_FRAME_CORRUPTED: |
34 | return -EBADMSG; |
35 | |
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 | |
68 | case NCI_STATUS_FAILED: |
69 | default: |
70 | return -ENOSYS; |
71 | } |
72 | } |
73 | EXPORT_SYMBOL(nci_to_errno); |
74 |