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.
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.
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]
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #ifndef _INET_IP6_ASP_H
27 #define _INET_IP6_ASP_H
29 #pragma ident "%Z%%M% %I% %E% SMI"
35 #include <netinet/in.h>
36 #include <sys/types.h>
40 * The maximum size of the label, including NULL bytes following the
41 * label string. The implementation assumes that this value is 16.
43 #define IP6_ASP_MAXLABELSIZE 16
45 typedef struct ip6_asp
{
46 in6_addr_t ip6_asp_prefix
;
47 in6_addr_t ip6_asp_mask
;
49 * ip6_asp_label must be on an 8 byte boundary because we cast
50 * them as (int64_t *) in order to compare them as two 64 bit
51 * integers rather than sixteen characters.
54 char iau_label_c
[IP6_ASP_MAXLABELSIZE
];
55 int64_t iau_label_i
[IP6_ASP_MAXLABELSIZE
/ sizeof (int64_t)];
57 uint32_t ip6_asp_precedence
;
59 #define ip6_asp_label ip6_asp_u.iau_label_c
61 #if defined(_SYSCALL32) && _LONG_LONG_ALIGNMENT_32 == 4
64 * The ip6_asp structure as seen by a 64-bit kernel looking
65 * at a 32-bit process, where the 32-bit process uses 32-bit
66 * alignment for 64-bit quantities. Like i386 does :-)
68 typedef struct ip6_asp32
{
69 in6_addr_t ip6_asp_prefix
;
70 in6_addr_t ip6_asp_mask
;
72 char iau_label_c
[IP6_ASP_MAXLABELSIZE
];
73 int32_t iau_label_i
[IP6_ASP_MAXLABELSIZE
/ sizeof (int32_t)];
75 uint32_t ip6_asp_precedence
;
78 #endif /* _SYSCALL32 && _LONG_LONG_ALIGNMENT_32 == 4 */
80 #define IP6_ASP_TABLE_REFHOLD(ipst) { \
81 ipst->ips_ip6_asp_refcnt++; \
82 ASSERT(ipst->ips_ip6_asp_refcnt != 0); \
85 #define IP6_ASP_TABLE_REFRELE(ipst) { \
86 mutex_enter(&ipst->ips_ip6_asp_lock); \
87 ASSERT(ipst->ips_ip6_asp_refcnt != 0); \
88 if (--ipst->ips_ip6_asp_refcnt == 0) { \
89 mutex_exit(&ipst->ips_ip6_asp_lock); \
90 ip6_asp_check_for_updates(ipst); \
92 mutex_exit(&ipst->ips_ip6_asp_lock); \
97 * Structure used in the SIOCGDSTINFO request.
98 * Used to retrieve information about the given destination
99 * address, to be used by the caller to sort a list of
100 * potential destination addresses.
103 in6_addr_t dir_daddr
; /* destination address */
104 in6_addr_t dir_saddr
; /* source address for daddr */
105 in6addr_scope_t dir_dscope
; /* destination scope */
106 in6addr_scope_t dir_sscope
; /* source scope */
107 t_uscalar_t dir_dmactype
; /* dl_mac_type of output inf */
108 uint32_t dir_precedence
; /* destination precedence */
109 uint8_t dir_dreachable
: 1, /* is destination reachable? */
110 dir_sdeprecated
: 1, /* is source deprecated? */
111 dir_labelmatch
: 1, /* src and dst labels match? */
117 typedef void (*aspfunc_t
)(ipsq_t
*, queue_t
*, mblk_t
*, void *);
119 extern void ip6_asp_free(ip_stack_t
*);
120 extern void ip6_asp_init(ip_stack_t
*);
121 extern boolean_t
ip6_asp_can_lookup(ip_stack_t
*);
122 extern void ip6_asp_table_refrele(ip_stack_t
*);
123 extern char *ip6_asp_lookup(const in6_addr_t
*, uint32_t *, ip_stack_t
*);
124 extern void ip6_asp_replace(mblk_t
*mp
, ip6_asp_t
*, size_t, boolean_t
,
125 ip_stack_t
*, model_t
);
126 extern int ip6_asp_get(ip6_asp_t
*, size_t, ip_stack_t
*);
127 extern boolean_t
ip6_asp_labelcmp(const char *, const char *);
128 extern void ip6_asp_pending_op(queue_t
*, mblk_t
*, aspfunc_t
);
136 #endif /* _INET_IP6_ASP_H */