xref: /openbmc/linux/net/bluetooth/lib.c (revision d0b73b48)
1 /*
2    BlueZ - Bluetooth protocol stack for Linux
3    Copyright (C) 2000-2001 Qualcomm Incorporated
4 
5    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License version 2 as
9    published by the Free Software Foundation;
10 
11    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 
20    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22    SOFTWARE IS DISCLAIMED.
23 */
24 
25 /* Bluetooth kernel library. */
26 
27 #define pr_fmt(fmt) "Bluetooth: " fmt
28 
29 #include <linux/export.h>
30 
31 #include <net/bluetooth/bluetooth.h>
32 
33 void baswap(bdaddr_t *dst, bdaddr_t *src)
34 {
35 	unsigned char *d = (unsigned char *) dst;
36 	unsigned char *s = (unsigned char *) src;
37 	unsigned int i;
38 
39 	for (i = 0; i < 6; i++)
40 		d[i] = s[5 - i];
41 }
42 EXPORT_SYMBOL(baswap);
43 
44 /* Bluetooth error codes to Unix errno mapping */
45 int bt_to_errno(__u16 code)
46 {
47 	switch (code) {
48 	case 0:
49 		return 0;
50 
51 	case 0x01:
52 		return EBADRQC;
53 
54 	case 0x02:
55 		return ENOTCONN;
56 
57 	case 0x03:
58 		return EIO;
59 
60 	case 0x04:
61 		return EHOSTDOWN;
62 
63 	case 0x05:
64 		return EACCES;
65 
66 	case 0x06:
67 		return EBADE;
68 
69 	case 0x07:
70 		return ENOMEM;
71 
72 	case 0x08:
73 		return ETIMEDOUT;
74 
75 	case 0x09:
76 		return EMLINK;
77 
78 	case 0x0a:
79 		return EMLINK;
80 
81 	case 0x0b:
82 		return EALREADY;
83 
84 	case 0x0c:
85 		return EBUSY;
86 
87 	case 0x0d:
88 	case 0x0e:
89 	case 0x0f:
90 		return ECONNREFUSED;
91 
92 	case 0x10:
93 		return ETIMEDOUT;
94 
95 	case 0x11:
96 	case 0x27:
97 	case 0x29:
98 	case 0x20:
99 		return EOPNOTSUPP;
100 
101 	case 0x12:
102 		return EINVAL;
103 
104 	case 0x13:
105 	case 0x14:
106 	case 0x15:
107 		return ECONNRESET;
108 
109 	case 0x16:
110 		return ECONNABORTED;
111 
112 	case 0x17:
113 		return ELOOP;
114 
115 	case 0x18:
116 		return EACCES;
117 
118 	case 0x1a:
119 		return EPROTONOSUPPORT;
120 
121 	case 0x1b:
122 		return ECONNREFUSED;
123 
124 	case 0x19:
125 	case 0x1e:
126 	case 0x23:
127 	case 0x24:
128 	case 0x25:
129 		return EPROTO;
130 
131 	default:
132 		return ENOSYS;
133 	}
134 }
135 EXPORT_SYMBOL(bt_to_errno);
136 
137 int bt_info(const char *format, ...)
138 {
139 	struct va_format vaf;
140 	va_list args;
141 	int r;
142 
143 	va_start(args, format);
144 
145 	vaf.fmt = format;
146 	vaf.va = &args;
147 
148 	r = pr_info("%pV", &vaf);
149 
150 	va_end(args);
151 
152 	return r;
153 }
154 EXPORT_SYMBOL(bt_info);
155 
156 int bt_err(const char *format, ...)
157 {
158 	struct va_format vaf;
159 	va_list args;
160 	int r;
161 
162 	va_start(args, format);
163 
164 	vaf.fmt = format;
165 	vaf.va = &args;
166 
167 	r = pr_err("%pV", &vaf);
168 
169 	va_end(args);
170 
171 	return r;
172 }
173 EXPORT_SYMBOL(bt_err);
174