1/*-
2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2011, 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,
| 1/*-
2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2011, 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.
| 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
| 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.
| 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/* $KAME: sctp_indata.h,v 1.9 2005/03/06 16:04:17 itojun Exp $ */
34
35#include <sys/cdefs.h>
| 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/* $KAME: sctp_indata.h,v 1.9 2005/03/06 16:04:17 itojun Exp $ */
34
35#include <sys/cdefs.h>
|
36__FBSDID("$FreeBSD: head/sys/netinet/sctp_indata.h 222459 2011-05-29 18:41:06Z tuexen $");
| 36__FBSDID("$FreeBSD: head/sys/netinet/sctp_indata.h 228653 2011-12-17 19:21:40Z tuexen $");
|
37
38#ifndef __sctp_indata_h__
39#define __sctp_indata_h__
40
41#if defined(_KERNEL) || defined(__Userspace__)
42
43struct sctp_queued_to_read *
44sctp_build_readq_entry(struct sctp_tcb *stcb,
45 struct sctp_nets *net,
46 uint32_t tsn, uint32_t ppid,
47 uint32_t context, uint16_t stream_no,
48 uint16_t stream_seq, uint8_t flags,
49 struct mbuf *dm);
50
51
52#define sctp_build_readq_entry_mac(_ctl, in_it, a, net, tsn, ppid, context, stream_no, stream_seq, flags, dm) do { \
53 if (_ctl) { \
54 atomic_add_int(&((net)->ref_count), 1); \
55 (_ctl)->sinfo_stream = stream_no; \
56 (_ctl)->sinfo_ssn = stream_seq; \
57 (_ctl)->sinfo_flags = (flags << 8); \
58 (_ctl)->sinfo_ppid = ppid; \
59 (_ctl)->sinfo_context = a; \
60 (_ctl)->sinfo_timetolive = 0; \
61 (_ctl)->sinfo_tsn = tsn; \
62 (_ctl)->sinfo_cumtsn = tsn; \
63 (_ctl)->sinfo_assoc_id = sctp_get_associd((in_it)); \
64 (_ctl)->length = 0; \
65 (_ctl)->held_length = 0; \
66 (_ctl)->whoFrom = net; \
67 (_ctl)->data = dm; \
68 (_ctl)->tail_mbuf = NULL; \
69 (_ctl)->aux_data = NULL; \
70 (_ctl)->stcb = (in_it); \
71 (_ctl)->port_from = (in_it)->rport; \
72 (_ctl)->spec_flags = 0; \
73 (_ctl)->do_not_ref_stcb = 0; \
74 (_ctl)->end_added = 0; \
75 (_ctl)->pdapi_aborted = 0; \
76 (_ctl)->some_taken = 0; \
77 } \
78} while (0)
79
80
81
82struct mbuf *
83sctp_build_ctl_nchunk(struct sctp_inpcb *inp,
84 struct sctp_sndrcvinfo *sinfo);
85
86void sctp_set_rwnd(struct sctp_tcb *, struct sctp_association *);
87
88uint32_t
89sctp_calc_rwnd(struct sctp_tcb *stcb, struct sctp_association *asoc);
90
91void
92sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack,
93 uint32_t rwnd, int *abort_now, int ecne_seen);
94
95void
96sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup,
| 37
38#ifndef __sctp_indata_h__
39#define __sctp_indata_h__
40
41#if defined(_KERNEL) || defined(__Userspace__)
42
43struct sctp_queued_to_read *
44sctp_build_readq_entry(struct sctp_tcb *stcb,
45 struct sctp_nets *net,
46 uint32_t tsn, uint32_t ppid,
47 uint32_t context, uint16_t stream_no,
48 uint16_t stream_seq, uint8_t flags,
49 struct mbuf *dm);
50
51
52#define sctp_build_readq_entry_mac(_ctl, in_it, a, net, tsn, ppid, context, stream_no, stream_seq, flags, dm) do { \
53 if (_ctl) { \
54 atomic_add_int(&((net)->ref_count), 1); \
55 (_ctl)->sinfo_stream = stream_no; \
56 (_ctl)->sinfo_ssn = stream_seq; \
57 (_ctl)->sinfo_flags = (flags << 8); \
58 (_ctl)->sinfo_ppid = ppid; \
59 (_ctl)->sinfo_context = a; \
60 (_ctl)->sinfo_timetolive = 0; \
61 (_ctl)->sinfo_tsn = tsn; \
62 (_ctl)->sinfo_cumtsn = tsn; \
63 (_ctl)->sinfo_assoc_id = sctp_get_associd((in_it)); \
64 (_ctl)->length = 0; \
65 (_ctl)->held_length = 0; \
66 (_ctl)->whoFrom = net; \
67 (_ctl)->data = dm; \
68 (_ctl)->tail_mbuf = NULL; \
69 (_ctl)->aux_data = NULL; \
70 (_ctl)->stcb = (in_it); \
71 (_ctl)->port_from = (in_it)->rport; \
72 (_ctl)->spec_flags = 0; \
73 (_ctl)->do_not_ref_stcb = 0; \
74 (_ctl)->end_added = 0; \
75 (_ctl)->pdapi_aborted = 0; \
76 (_ctl)->some_taken = 0; \
77 } \
78} while (0)
79
80
81
82struct mbuf *
83sctp_build_ctl_nchunk(struct sctp_inpcb *inp,
84 struct sctp_sndrcvinfo *sinfo);
85
86void sctp_set_rwnd(struct sctp_tcb *, struct sctp_association *);
87
88uint32_t
89sctp_calc_rwnd(struct sctp_tcb *stcb, struct sctp_association *asoc);
90
91void
92sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack,
93 uint32_t rwnd, int *abort_now, int ecne_seen);
94
95void
96sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup,
|
97 struct sctp_tcb *stcb, struct sctp_nets *net_from,
| 97 struct sctp_tcb *stcb,
|
98 uint16_t num_seg, uint16_t num_nr_seg, uint16_t num_dup,
99 int *abort_now, uint8_t flags,
100 uint32_t cum_ack, uint32_t rwnd, int ecne_seen);
101
102/* draft-ietf-tsvwg-usctp */
103void
104sctp_handle_forward_tsn(struct sctp_tcb *,
105 struct sctp_forward_tsn_chunk *, int *, struct mbuf *, int);
106
107struct sctp_tmit_chunk *
108 sctp_try_advance_peer_ack_point(struct sctp_tcb *, struct sctp_association *);
109
110void sctp_service_queues(struct sctp_tcb *, struct sctp_association *);
111
112void
| 98 uint16_t num_seg, uint16_t num_nr_seg, uint16_t num_dup,
99 int *abort_now, uint8_t flags,
100 uint32_t cum_ack, uint32_t rwnd, int ecne_seen);
101
102/* draft-ietf-tsvwg-usctp */
103void
104sctp_handle_forward_tsn(struct sctp_tcb *,
105 struct sctp_forward_tsn_chunk *, int *, struct mbuf *, int);
106
107struct sctp_tmit_chunk *
108 sctp_try_advance_peer_ack_point(struct sctp_tcb *, struct sctp_association *);
109
110void sctp_service_queues(struct sctp_tcb *, struct sctp_association *);
111
112void
|
113sctp_update_acked(struct sctp_tcb *, struct sctp_shutdown_chunk *,
114 struct sctp_nets *, int *);
| 113 sctp_update_acked(struct sctp_tcb *, struct sctp_shutdown_chunk *, int *);
|
115
116int
117sctp_process_data(struct mbuf **, int, int *, int, struct sctphdr *,
118 struct sctp_inpcb *, struct sctp_tcb *,
119 struct sctp_nets *, uint32_t *);
120
121void sctp_slide_mapping_arrays(struct sctp_tcb *stcb);
122
| 114
115int
116sctp_process_data(struct mbuf **, int, int *, int, struct sctphdr *,
117 struct sctp_inpcb *, struct sctp_tcb *,
118 struct sctp_nets *, uint32_t *);
119
120void sctp_slide_mapping_arrays(struct sctp_tcb *stcb);
121
|
123void sctp_sack_check(struct sctp_tcb *, int, int *);
| 122void sctp_sack_check(struct sctp_tcb *, int);
|
124
125#endif
126#endif
| 123
124#endif
125#endif
|