1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Resolve DNS hostnames into valid ip addresses |
4 | */ |
5 | #ifndef __LINUX_FS_NFS_DNS_RESOLVE_H |
6 | #define __LINUX_FS_NFS_DNS_RESOLVE_H |
7 | |
8 | #define NFS_DNS_HOSTNAME_MAXLEN (128) |
9 | |
10 | |
11 | #ifdef CONFIG_NFS_USE_KERNEL_DNS |
12 | static inline int nfs_dns_resolver_init(void) |
13 | { |
14 | return 0; |
15 | } |
16 | |
17 | static inline void nfs_dns_resolver_destroy(void) |
18 | {} |
19 | |
20 | static inline int nfs_dns_resolver_cache_init(struct net *net) |
21 | { |
22 | return 0; |
23 | } |
24 | |
25 | static inline void nfs_dns_resolver_cache_destroy(struct net *net) |
26 | {} |
27 | #else |
28 | extern int nfs_dns_resolver_init(void); |
29 | extern void nfs_dns_resolver_destroy(void); |
30 | extern int nfs_dns_resolver_cache_init(struct net *net); |
31 | extern void nfs_dns_resolver_cache_destroy(struct net *net); |
32 | #endif |
33 | |
34 | extern ssize_t nfs_dns_resolve_name(struct net *net, char *name, |
35 | size_t namelen, struct sockaddr_storage *sa, size_t salen); |
36 | |
37 | #endif |
38 | |