xref: /titanic_41/usr/src/uts/common/inet/ip_ftable.h (revision 23b5c241225a8ade2b6b9f06ebb891ee459e3b02)
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
33 extern "C" {
34 #endif
35 
36 #ifdef 	_KERNEL
37 
38 #include <net/radix.h>
39 #include <inet/common.h>
40 #include <inet/ip.h>
41 
42 struct 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 */
57 struct 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 };
65 int rtfunc(struct radix_node *, void *);
66 
67 typedef struct rt_entry rt_t;
68 typedef struct rtfuncarg rtf_t;
69 
70 struct ts_label_s;
71 extern	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);
74 extern	ire_t *ire_lookup_multi(ipaddr_t, zoneid_t);
75 extern	ire_t *ipif_lookup_multi_ire(ipif_t *, ipaddr_t);
76 extern	void ire_delete_host_redirects(ipaddr_t);
77 extern	ire_t *ire_ihandle_lookup_onlink(ire_t *);
78 extern	ire_t *ire_forward(ipaddr_t, boolean_t *, ire_t *, ire_t *,
79     const struct ts_label_s *);
80 extern void	ire_ftable_walk(struct rt_entry *, uint_t, uint_t,
81     ill_t *, zoneid_t, pfv_t, char *);
82 extern irb_t	*ire_get_bucket(ire_t *);
83 extern uint_t ifindex_lookup(const struct sockaddr *, zoneid_t);
84 extern int ipfil_sendpkt(const struct sockaddr *, mblk_t *, uint_t, zoneid_t);
85 
86 extern struct radix_node_head *ip_ftable;
87 
88 extern void  irb_refhold_rn(struct radix_node *);
89 extern void  irb_refrele_rn(struct radix_node *);
90 
91 #endif /* _KERNEL */
92 
93 #ifdef	__cplusplus
94 }
95 #endif
96 
97 #endif	/* _INET_IP_FTABLE_H */
98