162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Resolve DNS hostnames into valid ip addresses 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci#ifndef __LINUX_FS_NFS_DNS_RESOLVE_H 662306a36Sopenharmony_ci#define __LINUX_FS_NFS_DNS_RESOLVE_H 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#define NFS_DNS_HOSTNAME_MAXLEN (128) 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifdef CONFIG_NFS_USE_KERNEL_DNS 1262306a36Sopenharmony_cistatic inline int nfs_dns_resolver_init(void) 1362306a36Sopenharmony_ci{ 1462306a36Sopenharmony_ci return 0; 1562306a36Sopenharmony_ci} 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistatic inline void nfs_dns_resolver_destroy(void) 1862306a36Sopenharmony_ci{} 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cistatic inline int nfs_dns_resolver_cache_init(struct net *net) 2162306a36Sopenharmony_ci{ 2262306a36Sopenharmony_ci return 0; 2362306a36Sopenharmony_ci} 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_cistatic inline void nfs_dns_resolver_cache_destroy(struct net *net) 2662306a36Sopenharmony_ci{} 2762306a36Sopenharmony_ci#else 2862306a36Sopenharmony_ciextern int nfs_dns_resolver_init(void); 2962306a36Sopenharmony_ciextern void nfs_dns_resolver_destroy(void); 3062306a36Sopenharmony_ciextern int nfs_dns_resolver_cache_init(struct net *net); 3162306a36Sopenharmony_ciextern void nfs_dns_resolver_cache_destroy(struct net *net); 3262306a36Sopenharmony_ci#endif 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciextern ssize_t nfs_dns_resolve_name(struct net *net, char *name, 3562306a36Sopenharmony_ci size_t namelen, struct sockaddr_storage *sa, size_t salen); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci#endif 38