[mirror_ubuntu-focal-kernel.git] / net / bluetooth / lib.c

/*
   BlueZ - Bluetooth protocol stack for Linux
   Copyright (C) 2000-2001 Qualcomm Incorporated

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
   SOFTWARE IS DISCLAIMED.
*/

/* Bluetooth kernel library. */

#define pr_fmt(fmt) "Bluetooth: " fmt

#include <linux/export.h>

#include <net/bluetooth/bluetooth.h>

void baswap(bdaddr_t *dst, const bdaddr_t *src)
{
	const unsigned char *s = (const unsigned char *)src;
	unsigned char *d = (unsigned char *)dst;
	unsigned int i;

	for (i = 0; i < 6; i++)
		d[i] = s[5 - i];
}
EXPORT_SYMBOL(baswap);

/* Bluetooth error codes to Unix errno mapping */
int bt_to_errno(__u16 code)
{
	switch (code) {
	case 0:
		return 0;

	case 0x01:
		return EBADRQC;

	case 0x02:
		return ENOTCONN;

	case 0x03:
		return EIO;

	case 0x04:
	case 0x3c:
		return EHOSTDOWN;

	case 0x05:
		return EACCES;

	case 0x06:
		return EBADE;

	case 0x07:
		return ENOMEM;

	case 0x08:
		return ETIMEDOUT;

	case 0x09:
		return EMLINK;

	case 0x0a:
		return EMLINK;

	case 0x0b:
		return EALREADY;

	case 0x0c:
		return EBUSY;

	case 0x0d:
	case 0x0e:
	case 0x0f:
		return ECONNREFUSED;

	case 0x10:
		return ETIMEDOUT;

	case 0x11:
	case 0x27:
	case 0x29:
	case 0x20:
		return EOPNOTSUPP;

	case 0x12:
		return EINVAL;

	case 0x13:
	case 0x14:
	case 0x15:
		return ECONNRESET;

	case 0x16:
		return ECONNABORTED;

	case 0x17:
		return ELOOP;

	case 0x18:
		return EACCES;

	case 0x1a:
		return EPROTONOSUPPORT;

	case 0x1b:
		return ECONNREFUSED;

	case 0x19:
	case 0x1e:
	case 0x23:
	case 0x24:
	case 0x25:
		return EPROTO;

	default:
		return ENOSYS;
	}
}
EXPORT_SYMBOL(bt_to_errno);

void bt_info(const char *format, ...)
{
	struct va_format vaf;
	va_list args;

	va_start(args, format);

	vaf.fmt = format;
	vaf.va = &args;

	pr_info("%pV", &vaf);

	va_end(args);
}
EXPORT_SYMBOL(bt_info);

void bt_warn(const char *format, ...)
{
	struct va_format vaf;
	va_list args;

	va_start(args, format);

	vaf.fmt = format;
	vaf.va = &args;

	pr_warn("%pV", &vaf);

	va_end(args);
}
EXPORT_SYMBOL(bt_warn);

void bt_err(const char *format, ...)
{
	struct va_format vaf;
	va_list args;

	va_start(args, format);

	vaf.fmt = format;
	vaf.va = &args;

	pr_err("%pV", &vaf);

	va_end(args);
}
EXPORT_SYMBOL(bt_err);

void bt_err_ratelimited(const char *format, ...)
{
	struct va_format vaf;
	va_list args;

	va_start(args, format);

	vaf.fmt = format;
	vaf.va = &args;

	pr_err_ratelimited("%pV", &vaf);

	va_end(args);
}
EXPORT_SYMBOL(bt_err_ratelimited);
Commit	Line	Data
8e87d142	1	/*
1da177e4 LT	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
8e87d142 YH	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
1da177e4 LT	18	OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1da177e4 LT	19
8e87d142 YH	20	ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
8e87d142 YH	21	COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4 LT	22	SOFTWARE IS DISCLAIMED.
	23	*/
	24
	25	/* Bluetooth kernel library. */
	26
3ed7003e JP	27	#define pr_fmt(fmt) "Bluetooth: " fmt
3ed7003e JP	28
8c520a59	29	#include <linux/export.h>
1da177e4 LT	30
	31	#include <net/bluetooth/bluetooth.h>
	32
65bce462	33	void baswap(bdaddr_t dst, const bdaddr_t src)
1da177e4	34	{
65bce462 LP	35	const unsigned char s = (const unsigned char )src;
65bce462 LP	36	unsigned char d = (unsigned char )dst;
1da177e4 LT	37	unsigned int i;
	38
	39	for (i = 0; i < 6; i++)
	40	d[i] = s[5 - i];
	41	}
	42	EXPORT_SYMBOL(baswap);
	43
1da177e4	44	/* Bluetooth error codes to Unix errno mapping */
e175072f	45	int bt_to_errno(__u16 code)
1da177e4 LT	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:
43bb5605	61	case 0x3c:
1da177e4 LT	62	return EHOSTDOWN;
	63
	64	case 0x05:
	65	return EACCES;
	66
	67	case 0x06:
	68	return EBADE;
	69
	70	case 0x07:
	71	return ENOMEM;
	72
	73	case 0x08:
	74	return ETIMEDOUT;
	75
	76	case 0x09:
	77	return EMLINK;
	78
	79	case 0x0a:
	80	return EMLINK;
	81
	82	case 0x0b:
	83	return EALREADY;
	84
	85	case 0x0c:
	86	return EBUSY;
	87
	88	case 0x0d:
	89	case 0x0e:
	90	case 0x0f:
	91	return ECONNREFUSED;
	92
	93	case 0x10:
	94	return ETIMEDOUT;
	95
	96	case 0x11:
	97	case 0x27:
	98	case 0x29:
	99	case 0x20:
	100	return EOPNOTSUPP;
	101
	102	case 0x12:
	103	return EINVAL;
	104
	105	case 0x13:
	106	case 0x14:
	107	case 0x15:
	108	return ECONNRESET;
	109
	110	case 0x16:
	111	return ECONNABORTED;
	112
	113	case 0x17:
	114	return ELOOP;
	115
	116	case 0x18:
	117	return EACCES;
	118
	119	case 0x1a:
	120	return EPROTONOSUPPORT;
	121
	122	case 0x1b:
	123	return ECONNREFUSED;
	124
	125	case 0x19:
126	case 0x1e:
127	case 0x23:
128	case 0x24:
129	case 0x25:
130	return EPROTO;
131
132	default:
133	return ENOSYS;
134	}
135	}
e175072f	136	EXPORT_SYMBOL(bt_to_errno);
e1447d8d	137
2b0bf6c8	138	void bt_info(const char *format, ...)
3ed7003e JP	139	{
	140	struct va_format vaf;
	141	va_list args;
3ed7003e JP	142
	143	va_start(args, format);
	144
	145	vaf.fmt = format;
	146	vaf.va = &args;
	147
2b0bf6c8	148	pr_info("%pV", &vaf);
3ed7003e JP	149
3ed7003e JP	150	va_end(args);
3ed7003e JP	151	}
	152	EXPORT_SYMBOL(bt_info);
	153
594b31ea FD	154	void bt_warn(const char *format, ...)
	155	{
	156	struct va_format vaf;
	157	va_list args;
	158
	159	va_start(args, format);
	160
	161	vaf.fmt = format;
	162	vaf.va = &args;
	163
	164	pr_warn("%pV", &vaf);
	165
	166	va_end(args);
	167	}
	168	EXPORT_SYMBOL(bt_warn);
	169
2b0bf6c8	170	void bt_err(const char *format, ...)
e1447d8d JP	171	{
	172	struct va_format vaf;
	173	va_list args;
e1447d8d JP	174
	175	va_start(args, format);
	176
	177	vaf.fmt = format;
	178	vaf.va = &args;
	179
2b0bf6c8	180	pr_err("%pV", &vaf);
e1447d8d JP	181
e1447d8d JP	182	va_end(args);
e1447d8d	183	}
3ed7003e	184	EXPORT_SYMBOL(bt_err);
e781b7f7 SJ	185
	186	void bt_err_ratelimited(const char *format, ...)
	187	{
	188	struct va_format vaf;
	189	va_list args;
	190
	191	va_start(args, format);
	192
	193	vaf.fmt = format;
	194	vaf.va = &args;
	195
	196	pr_err_ratelimited("%pV", &vaf);
	197
	198	va_end(args);
	199	}
	200	EXPORT_SYMBOL(bt_err_ratelimited);