ip_ftable.h revision 2535:b66cbb80977f 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _INET_IP_FTABLE_H
28#define	_INET_IP_FTABLE_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36#ifdef 	_KERNEL
37
38#include <net/radix.h>
39#include <inet/common.h>
40#include <inet/ip.h>
41
42struct rt_entry {
43	struct	radix_node rt_nodes[2];	/* tree glue, and other values */
44	/*
45	 * struct rt_entry must begin with a struct radix_node (or two!)
46	 * to a 'struct rt_entry *'
47	 */
48	struct rt_sockaddr rt_dst;
49	/*
50	 * multiple routes to same dest/mask via varying gate/ifp are stored
51	 * in the rt_irb bucket.
52	 */
53	irb_t rt_irb;
54};
55
56/* vehicle for passing args through rn_walktree */
57struct rtfuncarg {
58	pfv_t rt_func;
59	char *rt_arg;
60	uint_t rt_match_flags;
61	uint_t rt_ire_type;
62	ill_t  *rt_ill;
63	zoneid_t rt_zoneid;
64};
65int rtfunc(struct radix_node *, void *);
66
67typedef struct rt_entry rt_t;
68typedef struct rtfuncarg rtf_t;
69
70struct ts_label_s;
71extern	ire_t	*ire_ftable_lookup(ipaddr_t, ipaddr_t, ipaddr_t, int,
72    const ipif_t *, ire_t **, zoneid_t, uint32_t,
73    const struct ts_label_s *, int);
74extern	ire_t *ire_lookup_multi(ipaddr_t, zoneid_t);
75extern	ire_t *ipif_lookup_multi_ire(ipif_t *, ipaddr_t);
76extern	void ire_delete_host_redirects(ipaddr_t);
77extern	ire_t *ire_ihandle_lookup_onlink(ire_t *);
78extern	ire_t *ire_forward(ipaddr_t, boolean_t *, ire_t *, ire_t *,
79    const struct ts_label_s *);
80extern void	ire_ftable_walk(struct rt_entry *, uint_t, uint_t,
81    ill_t *, zoneid_t, pfv_t, char *);
82extern irb_t	*ire_get_bucket(ire_t *);
83extern uint_t ifindex_lookup(const struct sockaddr *, zoneid_t);
84extern int ipfil_sendpkt(const struct sockaddr *, mblk_t *, uint_t, zoneid_t);
85
86extern struct radix_node_head *ip_ftable;
87
88#define	IRB_REFHOLD_RN(rn)					\
89	if ((rn->rn_flags & RNF_ROOT) == 0)			\
90		IRB_REFHOLD(&((rt_t *)(rn))->rt_irb)
91
92#define	IRB_REFRELE_RN(rn)					\
93	if ((rn->rn_flags & RNF_ROOT) == 0)			\
94		irb_refrele_ftable(&((rt_t *)(rn))->rt_irb);
95
96#else
97
98#define	IRB_REFHOLD_RN(rn)	/* */
99#define	IRB_REFRELE_RN(rn)	/* */
100
101#endif /* _KERNEL */
102
103#ifdef	__cplusplus
104}
105#endif
106
107#endif	/* _INET_IP_FTABLE_H */
108