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("$FreeBSD$");
   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 *, struct mbuf *,
   84     int, int,
   85     struct sockaddr *, struct sockaddr *,
   86     struct sctphdr *, struct sctp_init_chunk *,
   87     uint8_t, uint32_t,
   88     uint32_t, uint16_t, int);
   89 
   90 struct mbuf *
   91 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
   92     struct sctp_chunkhdr *, int *);
   93 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
   94 
   95 int
   96 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
   97     struct sctp_nets *);
   98 
   99 void sctp_send_cookie_ack(struct sctp_tcb *);
  100 
  101 void
  102 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
  103     struct sctp_nets *);
  104 
  105 void
  106 sctp_remove_from_wheel(struct sctp_tcb *stcb,
  107     struct sctp_association *asoc,
  108     struct sctp_stream_out *strq, int holds_lock);
  109 
  110 
  111 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
  112 
  113 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
  114 
  115 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
  116 
  117 void 
  118 sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *,
  119     struct sctphdr *,
  120     uint8_t, uint32_t,
  121     uint32_t, uint16_t);
  122 
  123 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
  124 
  125 void sctp_send_asconf_ack(struct sctp_tcb *);
  126 
  127 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
  128 
  129 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
  130 
  131 void sctp_toss_old_asconf(struct sctp_tcb *);
  132 
  133 void sctp_fix_ecn_echo(struct sctp_association *);
  134 
  135 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
  136 
  137 int
  138 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
  139     struct mbuf *, struct thread *, int);
  140 
  141 void 
  142 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
  143 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  144     SCTP_UNUSED
  145 #endif
  146 );
  147 void 
  148 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
  149 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  150     SCTP_UNUSED
  151 #endif
  152 );
  153 
  154 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
  155 
  156 void sctp_send_sack(struct sctp_tcb *, int);
  157 
  158 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int);
  159 
  160 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
  161 
  162 
  163 void
  164 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
  165     int, int, int);
  166 
  167 
  168 
  169 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t);
  170 
  171 
  172 void
  173 sctp_add_stream_reset_out(struct sctp_tmit_chunk *,
  174     int, uint16_t *, uint32_t, uint32_t, uint32_t);
  175 
  176 void
  177      sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t);
  178 
  179 void
  180 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
  181     uint32_t, uint32_t, uint32_t, uint32_t);
  182 
  183 int
  184 sctp_send_str_reset_req(struct sctp_tcb *, int, uint16_t *, uint8_t, uint8_t,
  185     uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
  186 
  187 void
  188 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
  189     struct sctphdr *, uint32_t, struct mbuf *,
  190     uint8_t, uint32_t,
  191     uint32_t, uint16_t);
  192 
  193 void 
  194 sctp_send_operr_to(struct sockaddr *, struct sockaddr *,
  195     struct sctphdr *, uint32_t, struct mbuf *,
  196     uint8_t, uint32_t,
  197     uint32_t, uint16_t);
  198 
  199 #endif                          /* _KERNEL || __Userspace__ */
  200 
  201 #if defined(_KERNEL) || defined(__Userspace__)
  202 int
  203 sctp_sosend(struct socket *so,
  204     struct sockaddr *addr,
  205     struct uio *uio,
  206     struct mbuf *top,
  207     struct mbuf *control,
  208     int flags,
  209     struct thread *p
  210 );
  211 
  212 #endif
  213 #endif

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