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      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
     32 extern "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. */
     40 extern void ip_fanout_sctp(mblk_t *, ill_t *, ipha_t *, uint32_t,
     41     uint_t, boolean_t, boolean_t, zoneid_t);
     42 extern void sctp_ddi_g_init(void);
     43 extern void sctp_ddi_g_destroy(void);
     44 extern conn_t *sctp_find_conn(in6_addr_t *, in6_addr_t *, uint32_t,
     45     zoneid_t, sctp_stack_t *);
     46 extern conn_t *sctp_fanout(in6_addr_t *, in6_addr_t *, uint32_t,
     47     zoneid_t, mblk_t *, sctp_stack_t *);
     48 
     49 extern void sctp_input(conn_t *, ipha_t *, mblk_t *, mblk_t *, ill_t *,
     50     boolean_t, boolean_t);
     51 extern void sctp_wput(queue_t *, mblk_t *);
     52 extern void sctp_ootb_input(mblk_t *, ill_t *, zoneid_t, boolean_t);
     53 extern void sctp_hash_init(sctp_stack_t *);
     54 extern void sctp_hash_destroy(sctp_stack_t *);
     55 extern uint32_t sctp_cksum(mblk_t *, int);
     56 extern mblk_t *sctp_snmp_get_mib2(queue_t *, mblk_t *, sctp_stack_t *);
     57 extern 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  */
     78 extern void sctp_update_ill(ill_t *, int);
     79 extern void sctp_update_ipif(ipif_t *, int);
     80 extern void sctp_move_ipif(ipif_t *, ill_t *, ill_t *);
     81 extern void sctp_update_ipif_addr(ipif_t *, in6_addr_t);
     82 extern 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. */
     92 extern void ip_fanout_sctp_raw(mblk_t *, ill_t *, ipha_t *, boolean_t,
     93     uint32_t, boolean_t, uint_t, boolean_t, zoneid_t);
     94 extern 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