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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /net/netlabel/netlabel_domainhash.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'net/netlabel/netlabel_domainhash.h')
-rw-r--r-- | net/netlabel/netlabel_domainhash.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h new file mode 100644 index 00000000..90872c4c --- /dev/null +++ b/net/netlabel/netlabel_domainhash.h @@ -0,0 +1,112 @@ +/* + * 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, 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> + +#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 */ +#define netlbl_domhsh_addr4_entry(iter) \ + container_of(iter, struct netlbl_domaddr4_map, list) +struct netlbl_domaddr4_map { + u32 type; + union { + struct cipso_v4_doi *cipsov4; + } type_def; + + struct netlbl_af4list list; +}; +#define netlbl_domhsh_addr6_entry(iter) \ + container_of(iter, struct netlbl_domaddr6_map, list) +struct netlbl_domaddr6_map { + u32 type; + + /* NOTE: no 'type_def' union needed at present since we don't currently + * support any IPv6 labeling protocols */ + + struct netlbl_af6list list; +}; +struct netlbl_domaddr_map { + struct list_head list4; + struct list_head list6; +}; +struct netlbl_dom_map { + char *domain; + u32 type; + union { + struct cipso_v4_doi *cipsov4; + struct netlbl_domaddr_map *addrsel; + } 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_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_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, + __be32 addr); +int netlbl_domhsh_walk(u32 *skip_bkt, + u32 *skip_chain, + int (*callback) (struct netlbl_dom_map *entry, void *arg), + void *cb_arg); + +#if IS_ENABLED(CONFIG_IPV6) +struct netlbl_domaddr6_map *netlbl_domhsh_getentry_af6(const char *domain, + const struct in6_addr *addr); +#endif /* IPv6 */ + +#endif |