The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netinet/sctp_output.h

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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 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD: releng/10.4/sys/netinet/sctp_output.h 295208 2016-02-03 14:04:07Z tuexen $");
   35 
   36 #ifndef _NETINET_SCTP_OUTPUT_H_
   37 #define _NETINET_SCTP_OUTPUT_H_
   38 
   39 #include <netinet/sctp_header.h>
   40 
   41 #if defined(_KERNEL) || defined(__Userspace__)
   42 
   43 
   44 struct mbuf *
   45 sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp,
   46     struct sctp_tcb *stcb,
   47     struct sctp_scoping *scope,
   48     struct mbuf *m_at,
   49     int cnt_inits_to,
   50     uint16_t * padding_len, uint16_t * chunk_len);
   51 
   52 
   53 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
   54 
   55 
   56 int
   57 sctp_is_address_in_scope(struct sctp_ifa *ifa,
   58     struct sctp_scoping *scope,
   59     int do_update);
   60 
   61 int
   62     sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
   63 
   64 struct sctp_ifa *
   65 sctp_source_address_selection(struct sctp_inpcb *inp,
   66     struct sctp_tcb *stcb,
   67     sctp_route_t * ro, struct sctp_nets *net,
   68     int non_asoc_addr_ok, uint32_t vrf_id);
   69 
   70 int
   71     sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro);
   72 int
   73     sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro);
   74 
   75 void 
   76 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int
   77 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
   78     SCTP_UNUSED
   79 #endif
   80 );
   81 
   82 void
   83 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
   84     struct sctp_nets *, struct mbuf *,
   85     int, int,
   86     struct sockaddr *, struct sockaddr *,
   87     struct sctphdr *, struct sctp_init_chunk *,
   88     uint8_t, uint32_t,
   89     uint32_t, uint16_t, int);
   90 
   91 struct mbuf *
   92 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
   93     struct sctp_chunkhdr *, int *);
   94 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
   95 
   96 int
   97 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
   98     struct sctp_nets *);
   99 
  100 void sctp_send_cookie_ack(struct sctp_tcb *);
  101 
  102 void
  103 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
  104     struct sctp_nets *);
  105 
  106 void
  107 sctp_remove_from_wheel(struct sctp_tcb *stcb,
  108     struct sctp_association *asoc,
  109     struct sctp_stream_out *strq, int holds_lock);
  110 
  111 
  112 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
  113 
  114 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
  115 
  116 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
  117 
  118 void 
  119 sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *,
  120     struct sctphdr *,
  121     uint8_t, uint32_t, uint16_t,
  122     uint32_t, uint16_t);
  123 
  124 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
  125 
  126 void sctp_send_asconf_ack(struct sctp_tcb *);
  127 
  128 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
  129 
  130 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
  131 
  132 void sctp_toss_old_asconf(struct sctp_tcb *);
  133 
  134 void sctp_fix_ecn_echo(struct sctp_association *);
  135 
  136 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
  137 
  138 int
  139 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
  140     struct mbuf *, struct thread *, int);
  141 
  142 void 
  143 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
  144 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  145     SCTP_UNUSED
  146 #endif
  147 );
  148 void 
  149 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
  150 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  151     SCTP_UNUSED
  152 #endif
  153 );
  154 
  155 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
  156 
  157 void sctp_send_sack(struct sctp_tcb *, int);
  158 
  159 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int);
  160 
  161 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
  162 
  163 
  164 void
  165 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
  166     int, int, int);
  167 
  168 
  169 
  170 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t);
  171 
  172 
  173 void
  174      sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t);
  175 
  176 void
  177 sctp_send_deferred_reset_response(struct sctp_tcb *,
  178     struct sctp_stream_reset_list *,
  179     int);
  180 
  181 void
  182 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
  183     uint32_t, uint32_t, uint32_t, uint32_t);
  184 int
  185     sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int);
  186 
  187 int
  188 sctp_send_str_reset_req(struct sctp_tcb *, uint16_t, uint16_t *,
  189     uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
  190 
  191 void
  192 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
  193     struct sctphdr *, uint32_t, struct mbuf *,
  194     uint8_t, uint32_t, uint16_t,
  195     uint32_t, uint16_t);
  196 
  197 void 
  198 sctp_send_operr_to(struct sockaddr *, struct sockaddr *,
  199     struct sctphdr *, uint32_t, struct mbuf *,
  200     uint8_t, uint32_t, uint16_t,
  201     uint32_t, uint16_t);
  202 
  203 #endif                          /* _KERNEL || __Userspace__ */
  204 
  205 #if defined(_KERNEL) || defined(__Userspace__)
  206 int
  207 sctp_sosend(struct socket *so,
  208     struct sockaddr *addr,
  209     struct uio *uio,
  210     struct mbuf *top,
  211     struct mbuf *control,
  212     int flags,
  213     struct thread *p
  214 );
  215 
  216 #endif
  217 #endif

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