LXR linux/fs/nfs/dns

   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
  12static inline int nfs_dns_resolver_init(void)
  13{
  14        return 0;
  15}
  16
  17static inline void nfs_dns_resolver_destroy(void)
  18{}
  19
  20static inline int nfs_dns_resolver_cache_init(struct net *net)
  21{
  22        return 0;
  23}
  24
  25static inline void nfs_dns_resolver_cache_destroy(struct net *net)
  26{}
  27#else
  28extern int nfs_dns_resolver_init(void);
  29extern void nfs_dns_resolver_destroy(void);
  30extern int nfs_dns_resolver_cache_init(struct net *net);
  31extern void nfs_dns_resolver_cache_destroy(struct net *net);
  32#endif
  33
  34extern ssize_t nfs_dns_resolve_name(struct net *net, char *name,
  35                size_t namelen, struct sockaddr *sa, size_t salen);
  36
  37#endif
  38