blob: 17c7886b5b3a2a35807a6f4aad4ce52a0f0f3468 [file] [log] [blame]
Wang Lei1a4240f2010-08-04 15:16:33 +01001/*
2 * Copyright (c) 2010 Wang Lei
3 * Author(s): Wang Lei (wang840925@gmail.com). All Rights Reserved.
4 *
5 * Internal DNS Rsolver stuff
6 *
7 * This library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published
9 * by the Free Software Foundation; either version 2.1 of the License, or
10 * (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 * the GNU Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <linux/compiler.h>
23#include <linux/kernel.h>
24#include <linux/sched.h>
25
26/*
27 * dns_key.c
28 */
29extern const struct cred *dns_resolver_cache;
30
31/*
32 * debug tracing
33 */
Eric Dumazet95c96172012-04-15 05:58:06 +000034extern unsigned int dns_resolver_debug;
Wang Lei1a4240f2010-08-04 15:16:33 +010035
36#define kdebug(FMT, ...) \
37do { \
38 if (unlikely(dns_resolver_debug)) \
39 printk(KERN_DEBUG "[%-6.6s] "FMT"\n", \
40 current->comm, ##__VA_ARGS__); \
41} while (0)
42
43#define kenter(FMT, ...) kdebug("==> %s("FMT")", __func__, ##__VA_ARGS__)
44#define kleave(FMT, ...) kdebug("<== %s()"FMT"", __func__, ##__VA_ARGS__)