This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / net / netlabel / netlabel_domainhash.h

diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h
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+/*
+ * 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.moore@hp.com>
+ *
+ */
+
+/*
+ * (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
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _NETLABEL_DOMAINHASH_H
+#define _NETLABEL_DOMAINHASH_H
+
+#include <linux/types.h>
+#include <linux/rcupdate.h>
+#include <linux/list.h>
+
+/* Domain hash table size */
+/* XXX - currently this number is an uneducated guess */
+#define NETLBL_DOMHSH_BITSIZE       7
+
+/* 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);
+
+#endif