1/*
 2 * Copyright (C) 2012 by Darren Reed.
 3 *
 4 * See the IPFILTER.LICENCE file for details on licencing.
 5 *
 6 * $Id: ip_dstlist.h,v 1.5.2.6 2012/07/22 08:04:23 darren_r Exp $
 7 */
 8
 9#ifndef	__IP_DSTLIST_H__
10#define	__IP_DSTLIST_H__
11
12typedef struct ipf_dstnode {
13	struct ipf_dstnode	*ipfd_next;
14	struct ipf_dstnode	**ipfd_pnext;
15	ipfmutex_t		ipfd_lock;
16	frdest_t		ipfd_dest;
17	u_long			ipfd_syncat;
18	int			ipfd_flags;
19	int			ipfd_size;
20	int			ipfd_states;
21	int			ipfd_ref;
22	int			ipfd_uid;
23	char			ipfd_names[1];
24} ipf_dstnode_t;
25
26typedef enum ippool_policy_e {
27	IPLDP_NONE = 0,
28	IPLDP_ROUNDROBIN,
29	IPLDP_CONNECTION,
30	IPLDP_RANDOM,
31	IPLDP_HASHED,
32	IPLDP_SRCHASH,
33	IPLDP_DSTHASH
34} ippool_policy_t;
35
36typedef struct ippool_dst {
37	struct ippool_dst	*ipld_next;
38	struct ippool_dst	**ipld_pnext;
39	ipfmutex_t		ipld_lock;
40	int			ipld_seed;
41	int			ipld_unit;
42	int			ipld_ref;
43	int			ipld_flags;
44	int			ipld_nodes;
45	int			ipld_maxnodes;
46	ippool_policy_t		ipld_policy;
47	ipf_dstnode_t		**ipld_dests;
48	ipf_dstnode_t		*ipld_selected;
49	char			ipld_name[FR_GROUPLEN];
50} ippool_dst_t;
51
52#define	IPDST_DELETE		0x01
53
54typedef	struct dstlist_stat_s {
55	void			*ipls_list[LOOKUP_POOL_SZ];
56	int			ipls_numlists;
57	u_long			ipls_nomem;
58	int			ipls_numnodes;
59	int			ipls_numdereflists;
60	int			ipls_numderefnodes;
61} ipf_dstl_stat_t;
62
63extern ipf_lookup_t ipf_dstlist_backend;
64
65extern int ipf_dstlist_select_node(fr_info_t *, void *, u_32_t *,
66					frdest_t *);
67
68#endif /* __IP_DSTLIST_H__ */