blob: 3689956c34363242007d300b0865c53a0da867d5 [file] [log] [blame]
* 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 <>
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
* 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
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <linux/types.h>
#include <linux/rcupdate.h>
#include <linux/list.h>
/* Domain hash table size */
/* XXX - currently this number is an uneducated guess */
/* Domain mapping definition struct */
struct netlbl_dom_map {
char *domain;
u32 type;
union {
struct cipso_v4_doi *cipsov4;
} type_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_default(struct netlbl_audit *audit_info);
struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain);
int netlbl_domhsh_walk(u32 *skip_bkt,
u32 *skip_chain,
int (*callback) (struct netlbl_dom_map *entry, void *arg),
void *cb_arg);