| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| /* |
| * Copyright (c) 2010 Wang Lei |
| * Author(s): Wang Lei (wang840925@gmail.com). All Rights Reserved. |
| * |
| * Internal DNS Rsolver stuff |
| */ |
| |
| #include <linux/compiler.h> |
| #include <linux/kernel.h> |
| #include <linux/sched.h> |
| |
| /* |
| * Layout of key payload words. |
| */ |
| enum { |
| dns_key_data, |
| dns_key_error, |
| }; |
| |
| /* |
| * dns_key.c |
| */ |
| extern const struct cred *dns_resolver_cache; |
| |
| /* |
| * debug tracing |
| */ |
| extern unsigned int dns_resolver_debug; |
| |
| #define kdebug(FMT, ...) \ |
| do { \ |
| if (unlikely(dns_resolver_debug)) \ |
| printk(KERN_DEBUG "[%-6.6s] "FMT"\n", \ |
| current->comm, ##__VA_ARGS__); \ |
| } while (0) |
| |
| #define kenter(FMT, ...) kdebug("==> %s("FMT")", __func__, ##__VA_ARGS__) |
| #define kleave(FMT, ...) kdebug("<== %s()"FMT"", __func__, ##__VA_ARGS__) |