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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