/*- * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * a) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * b) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * c) Neither the name of Cisco Systems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /* $KAME: sctp_indata.h,v 1.9 2005/03/06 16:04:17 itojun Exp $ */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #ifndef __sctp_indata_h__ #define __sctp_indata_h__ #if defined(_KERNEL) || defined(__Userspace__) struct sctp_queued_to_read * sctp_build_readq_entry(struct sctp_tcb *stcb, struct sctp_nets *net, uint32_t tsn, uint32_t ppid, uint32_t context, uint16_t stream_no, uint16_t stream_seq, uint8_t flags, struct mbuf *dm); #define sctp_build_readq_entry_mac(_ctl, in_it, a, net, tsn, ppid, context, stream_no, stream_seq, flags, dm) do { \ if (_ctl) { \ atomic_add_int(&((net)->ref_count), 1); \ (_ctl)->sinfo_stream = stream_no; \ (_ctl)->sinfo_ssn = stream_seq; \ (_ctl)->sinfo_flags = (flags << 8); \ (_ctl)->sinfo_ppid = ppid; \ (_ctl)->sinfo_context = a; \ (_ctl)->sinfo_timetolive = 0; \ (_ctl)->sinfo_tsn = tsn; \ (_ctl)->sinfo_cumtsn = tsn; \ (_ctl)->sinfo_assoc_id = sctp_get_associd((in_it)); \ (_ctl)->length = 0; \ (_ctl)->held_length = 0; \ (_ctl)->whoFrom = net; \ (_ctl)->data = dm; \ (_ctl)->tail_mbuf = NULL; \ (_ctl)->aux_data = NULL; \ (_ctl)->stcb = (in_it); \ (_ctl)->port_from = (in_it)->rport; \ (_ctl)->spec_flags = 0; \ (_ctl)->do_not_ref_stcb = 0; \ (_ctl)->end_added = 0; \ (_ctl)->pdapi_aborted = 0; \ (_ctl)->some_taken = 0; \ } \ } while (0) struct mbuf * sctp_build_ctl_nchunk(struct sctp_inpcb *inp, struct sctp_sndrcvinfo *sinfo); void sctp_set_rwnd(struct sctp_tcb *, struct sctp_association *); uint32_t sctp_calc_rwnd(struct sctp_tcb *stcb, struct sctp_association *asoc); void sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack, uint32_t rwnd, int *abort_now, int ecne_seen); void sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup, struct sctp_tcb *stcb, struct sctp_nets *net_from, uint16_t num_seg, uint16_t num_nr_seg, uint16_t num_dup, int *abort_now, uint8_t flags, uint32_t cum_ack, uint32_t rwnd, int ecne_seen); /* draft-ietf-tsvwg-usctp */ void sctp_handle_forward_tsn(struct sctp_tcb *, struct sctp_forward_tsn_chunk *, int *, struct mbuf *, int); struct sctp_tmit_chunk * sctp_try_advance_peer_ack_point(struct sctp_tcb *, struct sctp_association *); void sctp_service_queues(struct sctp_tcb *, struct sctp_association *); void sctp_update_acked(struct sctp_tcb *, struct sctp_shutdown_chunk *, struct sctp_nets *, int *); int sctp_process_data(struct mbuf **, int, int *, int, struct sctphdr *, struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *, uint32_t *); void sctp_slide_mapping_arrays(struct sctp_tcb *stcb); void sctp_sack_check(struct sctp_tcb *, int, int *); #endif #endif