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      1 /*-
      2  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
      3  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
      4  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions are met:
      8  *
      9  * a) Redistributions of source code must retain the above copyright notice,
     10  *    this list of conditions and the following disclaimer.
     11  *
     12  * b) Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in
     14  *    the documentation and/or other materials provided with the distribution.
     15  *
     16  * c) Neither the name of Cisco Systems, Inc. nor the names of its
     17  *    contributors may be used to endorse or promote products derived
     18  *    from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     30  * THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifdef __FreeBSD__
     34 #include <sys/cdefs.h>
     35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_asconf.h 237715 2012-06-28 16:01:08Z tuexen $");
     36 #endif
     37 
     38 #ifndef _NETINET_SCTP_ASCONF_H_
     39 #define _NETINET_SCTP_ASCONF_H_
     40 
     41 #if defined(_KERNEL) || defined(__Userspace__)
     42 
     43 /*
     44  * function prototypes
     45  */
     46 extern void sctp_asconf_cleanup(struct sctp_tcb *, struct sctp_nets *);
     47 
     48 extern struct mbuf *sctp_compose_asconf(struct sctp_tcb *, int *, int);
     49 
     50 extern void
     51 sctp_handle_asconf(struct mbuf *, unsigned int, struct sockaddr *,
     52                    struct sctp_asconf_chunk *, struct sctp_tcb *, int);
     53 
     54 extern void
     55 sctp_handle_asconf_ack(struct mbuf *, int, struct sctp_asconf_ack_chunk *,
     56      struct sctp_tcb *, struct sctp_nets *, int *);
     57 
     58 extern uint32_t
     59 sctp_addr_mgmt_ep_sa(struct sctp_inpcb *, struct sockaddr *,
     60 		     uint32_t, uint32_t, struct sctp_ifa *);
     61 
     62 
     63 extern int sctp_asconf_iterator_ep(struct sctp_inpcb *inp, void *ptr,
     64 				   uint32_t val);
     65 extern void sctp_asconf_iterator_stcb(struct sctp_inpcb *inp,
     66 				      struct sctp_tcb *stcb,
     67 				      void *ptr, uint32_t type);
     68 extern void sctp_asconf_iterator_end(void *ptr, uint32_t val);
     69 
     70 
     71 extern int32_t
     72 sctp_set_primary_ip_address_sa(struct sctp_tcb *,
     73     struct sockaddr *);
     74 
     75 extern void
     76 sctp_set_primary_ip_address(struct sctp_ifa *ifa);
     77 
     78 extern void
     79 sctp_check_address_list(struct sctp_tcb *, struct mbuf *, int, int,
     80     struct sockaddr *, uint16_t, uint16_t, uint16_t, uint16_t);
     81 
     82 extern void
     83 sctp_assoc_immediate_retrans(struct sctp_tcb *, struct sctp_nets *);
     84 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__)
     85 extern void
     86 sctp_net_immediate_retrans(struct sctp_tcb *, struct sctp_nets *);
     87 #endif
     88 
     89 extern void
     90 sctp_asconf_send_nat_state_update(struct sctp_tcb *stcb,
     91 				  struct sctp_nets *net);
     92 
     93 extern int
     94 sctp_is_addr_pending(struct sctp_tcb *, struct sctp_ifa *);
     95 #endif				/* _KERNEL */
     96 
     97 #endif				/* !_NETINET_SCTP_ASCONF_H_ */
     98