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/9.1/sys/netinet/sctp_output.h 238253 2012-07-08 16:14:42Z 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 
   51 
   52 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
   53 
   54 
   55 int
   56 sctp_is_address_in_scope(struct sctp_ifa *ifa,
   57     int ipv4_addr_legal,
   58     int ipv6_addr_legal,
   59     int loopback_scope,
   60     int ipv4_local_scope,
   61     int local_scope,
   62     int site_scope,
   63     int do_update);
   64 int
   65     sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
   66 
   67 struct sctp_ifa *
   68 sctp_source_address_selection(struct sctp_inpcb *inp,
   69     struct sctp_tcb *stcb,
   70     sctp_route_t * ro, struct sctp_nets *net,
   71     int non_asoc_addr_ok, uint32_t vrf_id);
   72 
   73 int
   74     sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro);
   75 int
   76     sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro);
   77 
   78 void 
   79 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int
   80 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
   81     SCTP_UNUSED
   82 #endif
   83 );
   84 
   85 void
   86 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, struct mbuf *,
   87     int, int, 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 mbuf *, 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);
  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 *chk,
  174     int number_entries, uint16_t * list,
  175     uint32_t seq, uint32_t resp_seq, uint32_t last_sent);
  176 
  177 void
  178 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk,
  179     int number_entries, uint16_t * list,
  180     uint32_t seq);
  181 
  182 void
  183 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk,
  184     uint32_t seq);
  185 
  186 void
  187 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk,
  188     uint32_t resp_seq, uint32_t result);
  189 
  190 void
  191 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk,
  192     uint32_t resp_seq, uint32_t result,
  193     uint32_t send_una, uint32_t recv_next);
  194 
  195 int
  196 sctp_send_str_reset_req(struct sctp_tcb *stcb,
  197     int number_entries, uint16_t * list,
  198     uint8_t send_out_req,
  199     uint8_t send_in_req,
  200     uint8_t send_tsn_req,
  201     uint8_t add_stream,
  202     uint16_t adding_o,
  203     uint16_t adding_i, uint8_t from_peer);
  204 
  205 void
  206 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t,
  207     struct mbuf *,
  208     uint8_t, uint32_t,
  209     uint32_t, uint16_t);
  210 
  211 void 
  212 sctp_send_operr_to(struct mbuf *, struct sctphdr *, uint32_t,
  213     struct mbuf *,
  214     uint8_t, uint32_t,
  215     uint32_t, uint16_t);
  216 
  217 #endif                          /* _KERNEL || __Userspace__ */
  218 
  219 #if defined(_KERNEL) || defined(__Userspace__)
  220 int
  221 sctp_sosend(struct socket *so,
  222     struct sockaddr *addr,
  223     struct uio *uio,
  224     struct mbuf *top,
  225     struct mbuf *control,
  226     int flags,
  227     struct thread *p
  228 );
  229 
  230 #endif
  231 #endif

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