2 * NetLabel Domain Hash Table
4 * This file manages the domain hash table that NetLabel uses to determine
5 * which network labeling protocol to use for a given domain. The NetLabel
6 * system manages static and dynamic label mappings for network protocols such
9 * Author: Paul Moore <paul.moore@hp.com>
14 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
24 * the GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #ifndef _NETLABEL_DOMAINHASH_H
33 #define _NETLABEL_DOMAINHASH_H
35 #include <linux/types.h>
36 #include <linux/rcupdate.h>
37 #include <linux/list.h>
39 /* Domain hash table size */
40 /* XXX - currently this number is an uneducated guess */
41 #define NETLBL_DOMHSH_BITSIZE 7
43 /* Domain mapping definition struct */
44 struct netlbl_dom_map {
48 struct cipso_v4_doi *cipsov4;
52 struct list_head list;
57 int netlbl_domhsh_init(u32 size);
59 /* Manipulate the domain hash table */
60 int netlbl_domhsh_add(struct netlbl_dom_map *entry,
61 struct netlbl_audit *audit_info);
62 int netlbl_domhsh_add_default(struct netlbl_dom_map *entry,
63 struct netlbl_audit *audit_info);
64 int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info);
65 int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info);
66 struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain);
67 int netlbl_domhsh_walk(u32 *skip_bkt,
69 int (*callback) (struct netlbl_dom_map *entry, void *arg),