1 /*
2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 *
32 */
33
34 #ifndef USNIC_LOG_H_
35 #define USNIC_LOG_H_
36
37 #include "usnic.h"
38
39 extern unsigned int usnic_log_lvl;
40
41 #define USNIC_LOG_LVL_NONE (0)
42 #define USNIC_LOG_LVL_ERR (1)
43 #define USNIC_LOG_LVL_INFO (2)
44 #define USNIC_LOG_LVL_DBG (3)
45
46 #define usnic_printk(lvl, args...) \
47 do { \
48 printk(lvl "%s:%s:%d: ", DRV_NAME, __func__, \
49 __LINE__); \
50 printk(args); \
51 } while (0)
52
53 #define usnic_dbg(args...) \
54 do { \
55 if (unlikely(usnic_log_lvl >= USNIC_LOG_LVL_DBG)) { \
56 usnic_printk(KERN_INFO, args); \
57 } \
58 } while (0)
59
60 #define usnic_info(args...) \
61 do { \
62 if (usnic_log_lvl >= USNIC_LOG_LVL_INFO) { \
63 usnic_printk(KERN_INFO, args); \
64 } \
65 } while (0)
66
67 #define usnic_err(args...) \
68 do { \
69 if (usnic_log_lvl >= USNIC_LOG_LVL_ERR) { \
70 usnic_printk(KERN_ERR, args); \
71 } \
72 } while (0)
73 #endif /* !USNIC_LOG_H_ */