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  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions are met:
    6  *
    7  * a) Redistributions of source code must retain the above copyright notice,
    8  *   this list of conditions and the following disclaimer.
    9  *
   10  * b) Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in
   12  *   the documentation and/or other materials provided with the distribution.
   13  *
   14  * c) Neither the name of Cisco Systems, Inc. nor the names of its
   15  *    contributors may be used to endorse or promote products derived
   16  *    from this software without specific prior written permission.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   28  * THE POSSIBILITY OF SUCH DAMAGE.
   29  */
   30 
   31 /* $KAME: sctp_output.h,v 1.14 2005/03/06 16:04:18 itojun Exp $  */
   32 
   33 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD: releng/8.2/sys/netinet/sctp_output.h 214477 2010-10-28 19:05:21Z tuexen $");
   35 
   36 #ifndef __sctp_output_h__
   37 #define __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_scoping *scope,
   47     struct mbuf *m_at,
   48     int cnt_inits_to);
   49 
   50 
   51 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
   52 
   53 
   54 int
   55 sctp_is_address_in_scope(struct sctp_ifa *ifa,
   56     int ipv4_addr_legal,
   57     int ipv6_addr_legal,
   58     int loopback_scope,
   59     int ipv4_local_scope,
   60     int local_scope,
   61     int site_scope,
   62     int do_update);
   63 int
   64     sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
   65 
   66 struct sctp_ifa *
   67 sctp_source_address_selection(struct sctp_inpcb *inp,
   68     struct sctp_tcb *stcb,
   69     sctp_route_t * ro, struct sctp_nets *net,
   70     int non_asoc_addr_ok, uint32_t vrf_id);
   71 
   72 int
   73     sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro);
   74 int
   75     sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro);
   76 
   77 void 
   78 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int
   79 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
   80     SCTP_UNUSED
   81 #endif
   82 );
   83 
   84 void
   85 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
   86     struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *,
   87     uint32_t, uint16_t, int);
   88 
   89 struct mbuf *
   90 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
   91     struct sctp_chunkhdr *, int *);
   92 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
   93 
   94 int
   95 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
   96     struct sctp_nets *);
   97 
   98 void sctp_send_cookie_ack(struct sctp_tcb *);
   99 
  100 void
  101 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
  102     struct sctp_nets *);
  103 
  104 void
  105 sctp_remove_from_wheel(struct sctp_tcb *stcb,
  106     struct sctp_association *asoc,
  107     struct sctp_stream_out *strq, int holds_lock);
  108 
  109 
  110 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
  111 
  112 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
  113 
  114 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
  115 
  116 void 
  117 sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *,
  118     uint32_t, uint16_t);
  119 
  120 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
  121 
  122 void sctp_send_asconf_ack(struct sctp_tcb *);
  123 
  124 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
  125 
  126 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
  127 
  128 void sctp_toss_old_asconf(struct sctp_tcb *);
  129 
  130 void sctp_fix_ecn_echo(struct sctp_association *);
  131 
  132 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
  133 
  134 int
  135 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
  136     struct mbuf *, struct thread *, int);
  137 
  138 void
  139 sctp_insert_on_wheel(struct sctp_tcb *stcb,
  140     struct sctp_association *asoc,
  141     struct sctp_stream_out *strq, int holdslock);
  142 
  143 void 
  144 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
  145 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  146     SCTP_UNUSED
  147 #endif
  148 );
  149 void 
  150 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
  151 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  152     SCTP_UNUSED
  153 #endif
  154 );
  155 
  156 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
  157 
  158 void sctp_send_sack(struct sctp_tcb *);
  159 
  160 int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *);
  161 
  162 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
  163 
  164 
  165 void
  166 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
  167     int, int);
  168 
  169 
  170 
  171 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t);
  172 
  173 
  174 void
  175 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk,
  176     int number_entries, uint16_t * list,
  177     uint32_t seq, uint32_t resp_seq, uint32_t last_sent);
  178 
  179 void
  180 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk,
  181     int number_entries, uint16_t * list,
  182     uint32_t seq);
  183 
  184 void
  185 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk,
  186     uint32_t seq);
  187 
  188 void
  189 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk,
  190     uint32_t resp_seq, uint32_t result);
  191 
  192 void
  193 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk,
  194     uint32_t resp_seq, uint32_t result,
  195     uint32_t send_una, uint32_t recv_next);
  196 
  197 int
  198 sctp_send_str_reset_req(struct sctp_tcb *stcb,
  199     int number_entries,
  200     uint16_t * list,
  201     uint8_t send_out_req,
  202     uint32_t resp_seq,
  203     uint8_t send_in_req,
  204     uint8_t send_tsn_req,
  205     uint8_t add_str,
  206     uint16_t adding);
  207 
  208 
  209 void
  210 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t,
  211     struct mbuf *, uint32_t, uint16_t);
  212 
  213 void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t, uint16_t);
  214 
  215 #endif                          /* _KERNEL || __Userspace__ */
  216 
  217 #if defined(_KERNEL) || defined (__Userspace__)
  218 int
  219 sctp_sosend(struct socket *so,
  220     struct sockaddr *addr,
  221     struct uio *uio,
  222     struct mbuf *top,
  223     struct mbuf *control,
  224     int flags,
  225     struct thread *p
  226 );
  227 
  228 #endif
  229 #endif

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