linux/net/netlabel/netlabel_addrlist.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * NetLabel Network Address Lists
 *
 * This file contains network address list functions used to manage ordered
 * lists of network addresses for use by the NetLabel subsystem.  The NetLabel
 * system manages static and dynamic label mappings for network protocols such
 * as CIPSO and RIPSO.
 *
 * Author: Paul Moore <[email protected]>
 */

/*
 * (c) Copyright Hewlett-Packard Development Company, L.P., 2008
 */

#ifndef _NETLABEL_ADDRLIST_H
#define _NETLABEL_ADDRLIST_H

#include <linux/types.h>
#include <linux/rcupdate.h>
#include <linux/list.h>
#include <linux/in6.h>
#include <linux/audit.h>

/**
 * struct netlbl_af4list - NetLabel IPv4 address list
 * @addr: IPv4 address
 * @mask: IPv4 address mask
 * @valid: valid flag
 * @list: list structure, used internally
 */
struct netlbl_af4list { … };

/**
 * struct netlbl_af6list - NetLabel IPv6 address list
 * @addr: IPv6 address
 * @mask: IPv6 address mask
 * @valid: valid flag
 * @list: list structure, used internally
 */
struct netlbl_af6list { … };

#define __af4list_entry(ptr) …

static inline struct netlbl_af4list *__af4list_valid(struct list_head *s,
						     struct list_head *h)
{ … }

static inline struct netlbl_af4list *__af4list_valid_rcu(struct list_head *s,
							 struct list_head *h)
{ … }

#define netlbl_af4list_foreach(iter, head) …

#define netlbl_af4list_foreach_rcu(iter, head) …

#define netlbl_af4list_foreach_safe(iter, tmp, head) …

int netlbl_af4list_add(struct netlbl_af4list *entry,
		       struct list_head *head);
struct netlbl_af4list *netlbl_af4list_remove(__be32 addr, __be32 mask,
					     struct list_head *head);
void netlbl_af4list_remove_entry(struct netlbl_af4list *entry);
struct netlbl_af4list *netlbl_af4list_search(__be32 addr,
					     struct list_head *head);
struct netlbl_af4list *netlbl_af4list_search_exact(__be32 addr,
						   __be32 mask,
						   struct list_head *head);

#ifdef CONFIG_AUDIT
void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf,
			       int src, const char *dev,
			       __be32 addr, __be32 mask);
#else
static inline void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf,
					     int src, const char *dev,
					     __be32 addr, __be32 mask)
{
}
#endif

#if IS_ENABLED(CONFIG_IPV6)

#define __af6list_entry(ptr) …

static inline struct netlbl_af6list *__af6list_valid(struct list_head *s,
						     struct list_head *h)
{ … }

static inline struct netlbl_af6list *__af6list_valid_rcu(struct list_head *s,
							 struct list_head *h)
{ … }

#define netlbl_af6list_foreach(iter, head) …

#define netlbl_af6list_foreach_rcu(iter, head) …

#define netlbl_af6list_foreach_safe(iter, tmp, head) …

int netlbl_af6list_add(struct netlbl_af6list *entry,
		       struct list_head *head);
struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr,
					     const struct in6_addr *mask,
					     struct list_head *head);
void netlbl_af6list_remove_entry(struct netlbl_af6list *entry);
struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr,
					     struct list_head *head);
struct netlbl_af6list *netlbl_af6list_search_exact(const struct in6_addr *addr,
						   const struct in6_addr *mask,
						   struct list_head *head);

#ifdef CONFIG_AUDIT
void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
			       int src,
			       const char *dev,
			       const struct in6_addr *addr,
			       const struct in6_addr *mask);
#else
static inline void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
					     int src,
					     const char *dev,
					     const struct in6_addr *addr,
					     const struct in6_addr *mask)
{
}
#endif
#endif /* IPV6 */

#endif