linux/fs/afs/addr_list.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* Server address list management
 *
 * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 */

#include <linux/slab.h>
#include <linux/ctype.h>
#include <linux/dns_resolver.h>
#include <linux/inet.h>
#include <keys/rxrpc-type.h>
#include "internal.h"
#include "afs_fs.h"

static void afs_free_addrlist(struct rcu_head *rcu)
{ … }

/*
 * Release an address list.
 */
void afs_put_addrlist(struct afs_addr_list *alist, enum afs_alist_trace reason)
{ … }

struct afs_addr_list *afs_get_addrlist(struct afs_addr_list *alist, enum afs_alist_trace reason)
{ … }

/*
 * Allocate an address list.
 */
struct afs_addr_list *afs_alloc_addrlist(unsigned int nr)
{ … }

/*
 * Parse a text string consisting of delimited addresses.
 */
struct afs_vlserver_list *afs_parse_text_addrs(struct afs_net *net,
					       const char *text, size_t len,
					       char delim,
					       unsigned short service,
					       unsigned short port)
{ … }

/*
 * Perform a DNS query for VL servers and build a up an address list.
 */
struct afs_vlserver_list *afs_dns_query(struct afs_cell *cell, time64_t *_expiry)
{ … }

/*
 * Merge an IPv4 entry into a fileserver address list.
 */
int afs_merge_fs_addr4(struct afs_net *net, struct afs_addr_list *alist,
		       __be32 xdr, u16 port)
{ … }

/*
 * Merge an IPv6 entry into a fileserver address list.
 */
int afs_merge_fs_addr6(struct afs_net *net, struct afs_addr_list *alist,
		       __be32 *xdr, u16 port)
{ … }