mirror of
https://github.com/torvalds/linux.git
synced 2024-11-24 05:02:12 +00:00
d484ff154c
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: Paul Moore <paul@paul-moore.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/*
|
|
* NetLabel Domain Hash Table
|
|
*
|
|
* This file manages the domain hash table that NetLabel uses to determine
|
|
* which network labeling protocol to use for a given domain. The NetLabel
|
|
* system manages static and dynamic label mappings for network protocols such
|
|
* as CIPSO and RIPSO.
|
|
*
|
|
* Author: Paul Moore <paul@paul-moore.com>
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
|
|
* the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef _NETLABEL_DOMAINHASH_H
|
|
#define _NETLABEL_DOMAINHASH_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/rcupdate.h>
|
|
#include <linux/list.h>
|
|
|
|
#include "netlabel_addrlist.h"
|
|
|
|
/* Domain hash table size */
|
|
/* XXX - currently this number is an uneducated guess */
|
|
#define NETLBL_DOMHSH_BITSIZE 7
|
|
|
|
/* Domain mapping definition structures */
|
|
struct netlbl_domaddr_map {
|
|
struct list_head list4;
|
|
struct list_head list6;
|
|
};
|
|
struct netlbl_dommap_def {
|
|
u32 type;
|
|
union {
|
|
struct netlbl_domaddr_map *addrsel;
|
|
struct cipso_v4_doi *cipso;
|
|
};
|
|
};
|
|
#define netlbl_domhsh_addr4_entry(iter) \
|
|
container_of(iter, struct netlbl_domaddr4_map, list)
|
|
struct netlbl_domaddr4_map {
|
|
struct netlbl_dommap_def def;
|
|
|
|
struct netlbl_af4list list;
|
|
};
|
|
#define netlbl_domhsh_addr6_entry(iter) \
|
|
container_of(iter, struct netlbl_domaddr6_map, list)
|
|
struct netlbl_domaddr6_map {
|
|
struct netlbl_dommap_def def;
|
|
|
|
struct netlbl_af6list list;
|
|
};
|
|
|
|
struct netlbl_dom_map {
|
|
char *domain;
|
|
struct netlbl_dommap_def def;
|
|
|
|
u32 valid;
|
|
struct list_head list;
|
|
struct rcu_head rcu;
|
|
};
|
|
|
|
/* init function */
|
|
int netlbl_domhsh_init(u32 size);
|
|
|
|
/* Manipulate the domain hash table */
|
|
int netlbl_domhsh_add(struct netlbl_dom_map *entry,
|
|
struct netlbl_audit *audit_info);
|
|
int netlbl_domhsh_add_default(struct netlbl_dom_map *entry,
|
|
struct netlbl_audit *audit_info);
|
|
int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry,
|
|
struct netlbl_audit *audit_info);
|
|
int netlbl_domhsh_remove_af4(const char *domain,
|
|
const struct in_addr *addr,
|
|
const struct in_addr *mask,
|
|
struct netlbl_audit *audit_info);
|
|
int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info);
|
|
int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info);
|
|
struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain);
|
|
struct netlbl_dommap_def *netlbl_domhsh_getentry_af4(const char *domain,
|
|
__be32 addr);
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
struct netlbl_dommap_def *netlbl_domhsh_getentry_af6(const char *domain,
|
|
const struct in6_addr *addr);
|
|
#endif /* IPv6 */
|
|
|
|
int netlbl_domhsh_walk(u32 *skip_bkt,
|
|
u32 *skip_chain,
|
|
int (*callback) (struct netlbl_dom_map *entry, void *arg),
|
|
void *cb_arg);
|
|
|
|
#endif
|