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review.evervolv.com / android_kernel_oneplus_msm8996 / 53e173f62c318e65e6ae13524b04c5cf38c1bc3c / . / net / bluetooth / lib.c
blob: 9efb0a0936123fe4cf88cb8870eb1ac005855674 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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#include <linux/config.h>
28#include <linux/module.h>
29
30#include <linux/kernel.h>
31#include <linux/stddef.h>
32#include <linux/string.h>
33#include <asm/errno.h>
34
35#include <net/bluetooth/bluetooth.h>
36
37void bt_dump(char *pref, __u8 *buf, int count)
38{
39 char *ptr;
40 char line[100];
41 unsigned int i;
42
43 printk(KERN_INFO "%s: dump, len %d\n", pref, count);
44
45 ptr = line;
46 *ptr = 0;
47 for (i = 0; i < count; i++) {
48 ptr += sprintf(ptr, " %2.2X", buf[i]);
49
50 if (i && !((i + 1) % 20)) {
51 printk(KERN_INFO "%s:%s\n", pref, line);
52 ptr = line;
53 *ptr = 0;
54 }
55 }
56
57 if (line[0])
58 printk(KERN_INFO "%s:%s\n", pref, line);
59}
60EXPORT_SYMBOL(bt_dump);
61
62void baswap(bdaddr_t *dst, bdaddr_t *src)
63{
64 unsigned char *d = (unsigned char *) dst;
65 unsigned char *s = (unsigned char *) src;
66 unsigned int i;
67
68 for (i = 0; i < 6; i++)
69 d[i] = s[5 - i];
70}
71EXPORT_SYMBOL(baswap);
72
73char *batostr(bdaddr_t *ba)
74{
75 static char str[2][18];
76 static int i = 1;
77
78 i ^= 1;
79 sprintf(str[i], "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
80 ba->b[0], ba->b[1], ba->b[2],
81 ba->b[3], ba->b[4], ba->b[5]);
82
83 return str[i];
84}
85EXPORT_SYMBOL(batostr);
86
87/* Bluetooth error codes to Unix errno mapping */
88int bt_err(__u16 code)
89{
90 switch (code) {
91 case 0:
92 return 0;
93
94 case 0x01:
95 return EBADRQC;
96
97 case 0x02:
98 return ENOTCONN;
99
100 case 0x03:
101 return EIO;
102
103 case 0x04:
104 return EHOSTDOWN;
105
106 case 0x05:
107 return EACCES;
108
109 case 0x06:
110 return EBADE;
111
112 case 0x07:
113 return ENOMEM;
114
115 case 0x08:
116 return ETIMEDOUT;
117
118 case 0x09:
119 return EMLINK;
120
121 case 0x0a:
122 return EMLINK;
123
124 case 0x0b:
125 return EALREADY;
126
127 case 0x0c:
128 return EBUSY;
129
130 case 0x0d:
131 case 0x0e:
132 case 0x0f:
133 return ECONNREFUSED;
134
135 case 0x10:
136 return ETIMEDOUT;
137
138 case 0x11:
139 case 0x27:
140 case 0x29:
141 case 0x20:
142 return EOPNOTSUPP;
143
144 case 0x12:
145 return EINVAL;
146
147 case 0x13:
148 case 0x14:
149 case 0x15:
150 return ECONNRESET;
151
152 case 0x16:
153 return ECONNABORTED;
154
155 case 0x17:
156 return ELOOP;
157
158 case 0x18:
159 return EACCES;
160
161 case 0x1a:
162 return EPROTONOSUPPORT;
163
164 case 0x1b:
165 return ECONNREFUSED;
166
167 case 0x19:
168 case 0x1e:
169 case 0x23:
170 case 0x24:
171 case 0x25:
172 return EPROTO;
173
174 default:
175 return ENOSYS;
176 }
177}
178EXPORT_SYMBOL(bt_err);