f8829a4a40
work is not just mine, but it is also the works of Peter Lei and Michael Tuexen. They both are my two key other developers working on the project.. and they need ata-boy's too: **** peterlei@cisco.com tuexen@fh-muenster.de **** I did do a make sysent which updated the syscall's and sysproto.. I hope that is correct... without it you don't build since we have new syscalls for SCTP :-0 So go out and look at the NOTES, add option SCTP (make sure inet and inet6 are present too) and play with SCTP. I will see about comitting some test tools I have after I figure out where I should place them. I also have a lib (libsctp.a) that adds some of the missing socketapi functions that I need to put into lib's.. I will talk to George about this :-) There may still be some 64 bit issues in here, none of us have a 64 bit processor to test with yet.. Michael may have a MAC but thats another beast too.. If you have a mac and want to use SCTP contact Michael he maintains a web site with a loadable module with this code :-) Reviewed by: gnn Approved by: gnn
315 lines
9.0 KiB
C
315 lines
9.0 KiB
C
/*-
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* Copyright (c) 2001-2006, Cisco Systems, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $KAME: sctputil.h,v 1.15 2005/03/06 16:04:19 itojun Exp $ */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef __sctputil_h__
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#define __sctputil_h__
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#if defined(_KERNEL)
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#ifdef SCTP_MBUF_LOGGING
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struct mbuf *sctp_m_free(struct mbuf *m);
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void sctp_m_freem(struct mbuf *m);
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#else
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#define sctp_m_free m_free
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#define sctp_m_freem m_freem
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#endif
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#define sctp_m_copym m_copym
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#define sctp_get_associd(stcb) ((sctp_assoc_t)stcb->asoc.assoc_id)
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/*
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* Function prototypes
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*/
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struct ifaddr *sctp_find_ifa_by_addr(struct sockaddr *sa);
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uint32_t sctp_select_initial_TSN(struct sctp_pcb *);
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uint32_t sctp_select_a_tag(struct sctp_inpcb *);
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int sctp_init_asoc(struct sctp_inpcb *, struct sctp_association *, int, uint32_t);
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void sctp_fill_random_store(struct sctp_pcb *);
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int
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sctp_timer_start(int, struct sctp_inpcb *, struct sctp_tcb *,
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struct sctp_nets *);
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int
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sctp_timer_stop(int, struct sctp_inpcb *, struct sctp_tcb *,
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struct sctp_nets *);
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uint32_t sctp_calculate_sum(struct mbuf *, int32_t *, uint32_t);
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void
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sctp_mtu_size_reset(struct sctp_inpcb *, struct sctp_association *,
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u_long);
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void
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sctp_add_to_readq(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_queued_to_read *control,
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struct sockbuf *sb,
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int end);
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int
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sctp_append_to_readq(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_queued_to_read *control,
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struct mbuf *m,
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int end,
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int new_cumack,
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struct sockbuf *sb);
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int find_next_best_mtu(int);
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void
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sctp_timeout_handler(void *);
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uint32_t
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sctp_calculate_rto(struct sctp_tcb *, struct sctp_association *,
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struct sctp_nets *, struct timeval *);
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uint32_t sctp_calculate_len(struct mbuf *);
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caddr_t sctp_m_getptr(struct mbuf *, int, int, uint8_t *);
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struct sctp_paramhdr *
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sctp_get_next_param(struct mbuf *, int,
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struct sctp_paramhdr *, int);
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int sctp_add_pad_tombuf(struct mbuf *, int);
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int sctp_pad_lastmbuf(struct mbuf *, int, struct mbuf *);
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void sctp_ulp_notify(uint32_t, struct sctp_tcb *, uint32_t, void *);
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void
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sctp_pull_off_control_to_new_inp(struct sctp_inpcb *old_inp,
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struct sctp_inpcb *new_inp,
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struct sctp_tcb *stcb);
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void sctp_stop_timers_for_shutdown(struct sctp_tcb *);
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void sctp_report_all_outbound(struct sctp_tcb *);
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int sctp_expand_mapping_array(struct sctp_association *);
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void sctp_abort_notification(struct sctp_tcb *, int);
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/* We abort responding to an IP packet for some reason */
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void
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sctp_abort_association(struct sctp_inpcb *, struct sctp_tcb *,
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struct mbuf *, int, struct sctphdr *, struct mbuf *);
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/* We choose to abort via user input */
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void
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sctp_abort_an_association(struct sctp_inpcb *, struct sctp_tcb *, int,
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struct mbuf *);
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void
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sctp_handle_ootb(struct mbuf *, int, int, struct sctphdr *,
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struct sctp_inpcb *, struct mbuf *);
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int sctp_is_there_an_abort_here(struct mbuf *, int, uint32_t *);
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uint32_t sctp_is_same_scope(struct sockaddr_in6 *, struct sockaddr_in6 *);
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struct sockaddr_in6 *
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sctp_recover_scope(struct sockaddr_in6 *,
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struct sockaddr_in6 *);
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#define sctp_recover_scope_mac(addr, store) do { \
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if ((addr->sin6_family == AF_INET6) && \
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(IN6_IS_SCOPE_LINKLOCAL(&addr->sin6_addr)) && \
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(addr->sin6_scope_id == 0)) { \
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*store = *addr; \
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if (!sa6_recoverscope(store)) { \
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addr = store; \
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} \
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} \
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} while (0)
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int sctp_cmpaddr(struct sockaddr *, struct sockaddr *);
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void sctp_print_address(struct sockaddr *);
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void sctp_print_address_pkt(struct ip *, struct sctphdr *);
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void
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sctp_notify_partial_delivery_indication(struct sctp_tcb *stcb,
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uint32_t error, int no_lock);
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int
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sctp_release_pr_sctp_chunk(struct sctp_tcb *, struct sctp_tmit_chunk *,
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int, struct sctpchunk_listhead *);
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struct mbuf *sctp_generate_invmanparam(int);
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#ifdef SCTP_MBCNT_LOGGING
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void
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sctp_free_bufspace(struct sctp_tcb *, struct sctp_association *,
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struct sctp_tmit_chunk *);
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#else
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#define sctp_free_bufspace(stcb, asoc, tp1, chk_cnt) \
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do { \
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if (tp1->data != NULL) { \
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atomic_add_16(&((asoc)->chunks_on_out_queue), -chk_cnt); \
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if ((asoc)->total_output_queue_size >= tp1->book_size) { \
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atomic_add_int(&((asoc)->total_output_queue_size), -tp1->book_size); \
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} else { \
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(asoc)->total_output_queue_size = 0; \
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} \
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if (stcb->sctp_socket && ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \
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(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \
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if (stcb->sctp_socket->so_snd.sb_cc >= tp1->book_size) { \
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atomic_add_int(&((stcb)->sctp_socket->so_snd.sb_cc), -tp1->book_size); \
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} else { \
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stcb->sctp_socket->so_snd.sb_cc = 0; \
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} \
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} \
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} \
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} while (0)
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#endif
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#define sctp_free_spbufspace(stcb, asoc, sp) \
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do { \
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if (sp->data != NULL) { \
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atomic_add_16(&(asoc)->chunks_on_out_queue, -1); \
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if ((asoc)->total_output_queue_size >= sp->length) { \
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atomic_add_int(&(asoc)->total_output_queue_size,sp->length); \
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} else { \
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(asoc)->total_output_queue_size = 0; \
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} \
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if (stcb->sctp_socket && ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \
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(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \
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if (stcb->sctp_socket->so_snd.sb_cc >= sp->length) { \
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atomic_add_int(&stcb->sctp_socket->so_snd.sb_cc,sp->length); \
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} else { \
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stcb->sctp_socket->so_snd.sb_cc = 0; \
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} \
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} \
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} \
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} while (0)
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#define sctp_snd_sb_alloc(stcb, sz) \
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do { \
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atomic_add_int(&stcb->asoc.total_output_queue_size,sz); \
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if ((stcb->sctp_socket != NULL) && \
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((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \
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(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \
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atomic_add_int(&stcb->sctp_socket->so_snd.sb_cc,sz); \
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} \
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} while (0)
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int
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sctp_soreceive(struct socket *so, struct sockaddr **psa,
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struct uio *uio,
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struct mbuf **mp0,
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struct mbuf **controlp,
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int *flagsp);
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#ifdef SCTP_STAT_LOGGING
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void
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sctp_misc_ints(uint8_t from, uint32_t a, uint32_t b, uint32_t c, uint32_t d);
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void
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sctp_wakeup_log(struct sctp_tcb *stcb,
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uint32_t cumtsn,
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uint32_t wake_cnt, int from);
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void sctp_log_strm_del_alt(uint32_t, uint16_t, int);
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void sctp_log_nagle_event(struct sctp_tcb *stcb, int action);
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void
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sctp_log_mb(struct mbuf *m, int from);
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void
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sctp_sblog(struct sockbuf *sb,
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struct sctp_tcb *stcb, int from, int incr);
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void
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sctp_log_strm_del(struct sctp_queued_to_read *control,
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struct sctp_queued_to_read *poschk,
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int from);
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void sctp_log_cwnd(struct sctp_tcb *stcb, struct sctp_nets *, int, uint8_t);
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void rto_logging(struct sctp_nets *net, int from);
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void sctp_log_closing(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int16_t loc);
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void sctp_log_lock(struct sctp_inpcb *inp, struct sctp_tcb *stcb, uint8_t from);
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void sctp_log_maxburst(struct sctp_tcb *stcb, struct sctp_nets *, int, int, uint8_t);
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void sctp_log_block(uint8_t, struct socket *, struct sctp_association *, int);
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void sctp_log_rwnd(uint8_t, uint32_t, uint32_t, uint32_t);
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void sctp_log_mbcnt(uint8_t, uint32_t, uint32_t, uint32_t, uint32_t);
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void sctp_log_rwnd_set(uint8_t, uint32_t, uint32_t, uint32_t, uint32_t);
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int sctp_fill_stat_log(struct mbuf *);
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void sctp_log_fr(uint32_t, uint32_t, uint32_t, int);
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void sctp_log_sack(uint32_t, uint32_t, uint32_t, uint16_t, uint16_t, int);
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void sctp_log_map(uint32_t, uint32_t, uint32_t, int);
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void sctp_clr_stat_log(void);
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#endif
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#ifdef SCTP_AUDITING_ENABLED
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void
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sctp_auditing(int, struct sctp_inpcb *, struct sctp_tcb *,
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struct sctp_nets *);
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void sctp_audit_log(uint8_t, uint8_t);
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#endif
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#endif /* _KERNEL */
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#endif
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