1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/sctp/src/netinet/sctp_indata.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,131 @@
1.4 +/*-
1.5 + * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
1.6 + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
1.7 + * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions are met:
1.11 + *
1.12 + * a) Redistributions of source code must retain the above copyright notice,
1.13 + * this list of conditions and the following disclaimer.
1.14 + *
1.15 + * b) Redistributions in binary form must reproduce the above copyright
1.16 + * notice, this list of conditions and the following disclaimer in
1.17 + * the documentation and/or other materials provided with the distribution.
1.18 + *
1.19 + * c) Neither the name of Cisco Systems, Inc. nor the names of its
1.20 + * contributors may be used to endorse or promote products derived
1.21 + * from this software without specific prior written permission.
1.22 + *
1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
1.25 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.26 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.27 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.28 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.29 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.30 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.31 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.32 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
1.33 + * THE POSSIBILITY OF SUCH DAMAGE.
1.34 + */
1.35 +
1.36 +#ifdef __FreeBSD__
1.37 +#include <sys/cdefs.h>
1.38 +__FBSDID("$FreeBSD: head/sys/netinet/sctp_indata.h 252585 2013-07-03 18:48:43Z tuexen $");
1.39 +#endif
1.40 +
1.41 +#ifndef _NETINET_SCTP_INDATA_H_
1.42 +#define _NETINET_SCTP_INDATA_H_
1.43 +
1.44 +#if defined(_KERNEL) || defined(__Userspace__)
1.45 +
1.46 +struct sctp_queued_to_read *
1.47 +sctp_build_readq_entry(struct sctp_tcb *stcb,
1.48 + struct sctp_nets *net,
1.49 + uint32_t tsn, uint32_t ppid,
1.50 + uint32_t context, uint16_t stream_no,
1.51 + uint16_t stream_seq, uint8_t flags,
1.52 + struct mbuf *dm);
1.53 +
1.54 +
1.55 +#define sctp_build_readq_entry_mac(_ctl, in_it, context, net, tsn, ppid, stream_no, stream_seq, flags, dm) do { \
1.56 + if (_ctl) { \
1.57 + atomic_add_int(&((net)->ref_count), 1); \
1.58 + (_ctl)->sinfo_stream = stream_no; \
1.59 + (_ctl)->sinfo_ssn = stream_seq; \
1.60 + (_ctl)->sinfo_flags = (flags << 8); \
1.61 + (_ctl)->sinfo_ppid = ppid; \
1.62 + (_ctl)->sinfo_context = context; \
1.63 + (_ctl)->sinfo_timetolive = 0; \
1.64 + (_ctl)->sinfo_tsn = tsn; \
1.65 + (_ctl)->sinfo_cumtsn = tsn; \
1.66 + (_ctl)->sinfo_assoc_id = sctp_get_associd((in_it)); \
1.67 + (_ctl)->length = 0; \
1.68 + (_ctl)->held_length = 0; \
1.69 + (_ctl)->whoFrom = net; \
1.70 + (_ctl)->data = dm; \
1.71 + (_ctl)->tail_mbuf = NULL; \
1.72 + (_ctl)->aux_data = NULL; \
1.73 + (_ctl)->stcb = (in_it); \
1.74 + (_ctl)->port_from = (in_it)->rport; \
1.75 + (_ctl)->spec_flags = 0; \
1.76 + (_ctl)->do_not_ref_stcb = 0; \
1.77 + (_ctl)->end_added = 0; \
1.78 + (_ctl)->pdapi_aborted = 0; \
1.79 + (_ctl)->some_taken = 0; \
1.80 + } \
1.81 +} while (0)
1.82 +
1.83 +
1.84 +
1.85 +struct mbuf *
1.86 +sctp_build_ctl_nchunk(struct sctp_inpcb *inp,
1.87 + struct sctp_sndrcvinfo *sinfo);
1.88 +
1.89 +void sctp_set_rwnd(struct sctp_tcb *, struct sctp_association *);
1.90 +
1.91 +uint32_t
1.92 +sctp_calc_rwnd(struct sctp_tcb *stcb, struct sctp_association *asoc);
1.93 +
1.94 +void
1.95 +sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack,
1.96 + uint32_t rwnd, int *abort_now, int ecne_seen);
1.97 +
1.98 +void
1.99 +sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup,
1.100 + struct sctp_tcb *stcb,
1.101 + uint16_t num_seg, uint16_t num_nr_seg, uint16_t num_dup,
1.102 + int *abort_now, uint8_t flags,
1.103 + uint32_t cum_ack, uint32_t rwnd, int ecne_seen);
1.104 +
1.105 +/* draft-ietf-tsvwg-usctp */
1.106 +void
1.107 +sctp_handle_forward_tsn(struct sctp_tcb *,
1.108 + struct sctp_forward_tsn_chunk *, int *, struct mbuf *, int);
1.109 +
1.110 +struct sctp_tmit_chunk *
1.111 +sctp_try_advance_peer_ack_point(struct sctp_tcb *, struct sctp_association *);
1.112 +
1.113 +void sctp_service_queues(struct sctp_tcb *, struct sctp_association *);
1.114 +
1.115 +void
1.116 +sctp_update_acked(struct sctp_tcb *, struct sctp_shutdown_chunk *, int *);
1.117 +
1.118 +int
1.119 +sctp_process_data(struct mbuf **, int, int *, int,
1.120 + struct sockaddr *src, struct sockaddr *dst,
1.121 + struct sctphdr *,
1.122 + struct sctp_inpcb *, struct sctp_tcb *,
1.123 + struct sctp_nets *, uint32_t *,
1.124 +#if defined(__FreeBSD__)
1.125 + uint8_t, uint32_t,
1.126 +#endif
1.127 + uint32_t, uint16_t);
1.128 +
1.129 +void sctp_slide_mapping_arrays(struct sctp_tcb *stcb);
1.130 +
1.131 +void sctp_sack_check(struct sctp_tcb *, int);
1.132 +
1.133 +#endif
1.134 +#endif
