sctp_ip.h revision 4311:27c974ce5d7f 
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 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _INET_SCTP_IP_H
27#define	_INET_SCTP_IP_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35#include <inet/sctp/sctp_stack.h>
36
37#define	SCTP_COMMON_HDR_LENGTH	12	/* SCTP common header length */
38
39/* SCTP routines for IP to call. */
40extern void ip_fanout_sctp(mblk_t *, ill_t *, ipha_t *, uint32_t,
41    uint_t, boolean_t, boolean_t, zoneid_t);
42extern void sctp_ddi_g_init(void);
43extern void sctp_ddi_g_destroy(void);
44extern conn_t *sctp_find_conn(in6_addr_t *, in6_addr_t *, uint32_t,
45    zoneid_t, sctp_stack_t *);
46extern conn_t *sctp_fanout(in6_addr_t *, in6_addr_t *, uint32_t,
47    zoneid_t, mblk_t *, sctp_stack_t *);
48
49extern void sctp_input(conn_t *, ipha_t *, mblk_t *, mblk_t *, ill_t *,
50    boolean_t, boolean_t);
51extern void sctp_wput(queue_t *, mblk_t *);
52extern void sctp_ootb_input(mblk_t *, ill_t *, zoneid_t, boolean_t);
53extern void sctp_hash_init(sctp_stack_t *);
54extern void sctp_hash_destroy(sctp_stack_t *);
55extern uint32_t sctp_cksum(mblk_t *, int);
56extern mblk_t *sctp_snmp_get_mib2(queue_t *, mblk_t *, sctp_stack_t *);
57extern void sctp_free(conn_t *);
58
59#define	SCTP_STASH_IPINFO(mp, ire)			\
60{							\
61	unsigned char *stp;				\
62	stp = DB_BASE((mp));				\
63	ASSERT(stp + sizeof (ire_t *) < (mp)->b_rptr);	\
64	*(ire_t **)stp  = (ire);			\
65}
66
67#define	SCTP_EXTRACT_IPINFO(mp, ire)			\
68{							\
69	unsigned char *stp;				\
70	stp = (mp)->b_datap->db_base;			\
71	(ire) = *(ire_t **)stp;				\
72}
73
74/*
75 * SCTP maintains a list of ILLs/IPIFs, these functions are provided by
76 * SCTP to keep its interface list up to date.
77 */
78extern void sctp_update_ill(ill_t *, int);
79extern void sctp_update_ipif(ipif_t *, int);
80extern void sctp_move_ipif(ipif_t *, ill_t *, ill_t *);
81extern void sctp_update_ipif_addr(ipif_t *, in6_addr_t);
82extern void sctp_ill_reindex(ill_t *, uint_t);
83
84#define	SCTP_ILL_INSERT		1
85#define	SCTP_ILL_REMOVE		2
86#define	SCTP_IPIF_REMOVE	3
87#define	SCTP_IPIF_UP		4
88#define	SCTP_IPIF_DOWN		5
89#define	SCTP_IPIF_UPDATE	6
90
91/* IP routines for SCTP to call. */
92extern void ip_fanout_sctp_raw(mblk_t *, ill_t *, ipha_t *, boolean_t,
93    uint32_t, boolean_t, uint_t, boolean_t, zoneid_t);
94extern void sctp_ire_cache_flush(ipif_t *);
95
96/*
97 * Private (and possibly temporary) ioctls.  It is a large number
98 * to avoid conflict with other ioctls, which are normally smaller
99 * than 2^16.
100 */
101#define	SCTP_IOC_DEFAULT_Q	(('S' << 16) | 1024)
102
103#ifdef __cplusplus
104}
105#endif
106
107#endif /* _INET_SCTP_IP_H */
108