diff options
Diffstat (limited to 'net/nfc/nci/lib.c')
-rw-r--r-- | net/nfc/nci/lib.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/net/nfc/nci/lib.c b/net/nfc/nci/lib.c new file mode 100644 index 000000000000..b19dc2fa90e1 --- /dev/null +++ b/net/nfc/nci/lib.c | |||
@@ -0,0 +1,94 @@ | |||
1 | /* | ||
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, write to the Free Software | ||
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
25 | * | ||
26 | */ | ||
27 | |||
28 | #include <linux/module.h> | ||
29 | #include <linux/kernel.h> | ||
30 | #include <linux/types.h> | ||
31 | #include <linux/errno.h> | ||
32 | |||
33 | #include <net/nfc/nci.h> | ||
34 | |||
35 | /* NCI status codes to Unix errno mapping */ | ||
36 | int 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_MESSAGE_CORRUPTED: | ||
46 | return -EBADMSG; | ||
47 | |||
48 | case NCI_STATUS_BUFFER_FULL: | ||
49 | return -ENOBUFS; | ||
50 | |||
51 | case NCI_STATUS_NOT_INITIALIZED: | ||
52 | return -EHOSTDOWN; | ||
53 | |||
54 | case NCI_STATUS_SYNTAX_ERROR: | ||
55 | case NCI_STATUS_SEMANTIC_ERROR: | ||
56 | case NCI_STATUS_INVALID_PARAM: | ||
57 | case NCI_STATUS_RF_PROTOCOL_ERROR: | ||
58 | case NCI_STATUS_NFCEE_PROTOCOL_ERROR: | ||
59 | return -EPROTO; | ||
60 | |||
61 | case NCI_STATUS_UNKNOWN_GID: | ||
62 | case NCI_STATUS_UNKNOWN_OID: | ||
63 | return -EBADRQC; | ||
64 | |||
65 | case NCI_STATUS_MESSAGE_SIZE_EXCEEDED: | ||
66 | return -EMSGSIZE; | ||
67 | |||
68 | case NCI_STATUS_DISCOVERY_ALREADY_STARTED: | ||
69 | return -EALREADY; | ||
70 | |||
71 | case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED: | ||
72 | case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED: | ||
73 | return -ECONNREFUSED; | ||
74 | |||
75 | case NCI_STATUS_RF_TRANSMISSION_ERROR: | ||
76 | case NCI_STATUS_NFCEE_TRANSMISSION_ERROR: | ||
77 | return -ECOMM; | ||
78 | |||
79 | case NCI_STATUS_RF_TIMEOUT_ERROR: | ||
80 | case NCI_STATUS_NFCEE_TIMEOUT_ERROR: | ||
81 | return -ETIMEDOUT; | ||
82 | |||
83 | case NCI_STATUS_RF_LINK_LOSS_ERROR: | ||
84 | return -ENOLINK; | ||
85 | |||
86 | case NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED: | ||
87 | return -EDQUOT; | ||
88 | |||
89 | case NCI_STATUS_FAILED: | ||
90 | default: | ||
91 | return -ENOSYS; | ||
92 | } | ||
93 | } | ||
94 | EXPORT_SYMBOL(nci_to_errno); | ||