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("$FreeBSD$");
   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 
  105 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
  106 
  107 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
  108 
  109 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *);
  110 
  111 void 
  112 sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *,
  113     uint32_t, uint16_t);
  114 
  115 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
  116 
  117 void sctp_send_asconf_ack(struct sctp_tcb *);
  118 
  119 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
  120 
  121 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
  122 
  123 void sctp_toss_old_asconf(struct sctp_tcb *);
  124 
  125 void sctp_fix_ecn_echo(struct sctp_association *);
  126 
  127 int
  128 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
  129     struct mbuf *, struct thread *, int);
  130 
  131 void
  132 sctp_insert_on_wheel(struct sctp_tcb *stcb,
  133     struct sctp_association *asoc,
  134     struct sctp_stream_out *strq, int holdslock);
  135 
  136 void 
  137 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
  138 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  139     SCTP_UNUSED
  140 #endif
  141 );
  142 void 
  143 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
  144 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
  145     SCTP_UNUSED
  146 #endif
  147 );
  148 
  149 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
  150 
  151 void sctp_send_sack(struct sctp_tcb *);
  152 
  153 /* EY 05/07/08 if nr_sacks used, the following function will be called instead of sctp_send_sack */
  154 void sctp_send_nr_sack(struct sctp_tcb *);
  155 
  156 int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *);
  157 
  158 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
  159 
  160 
  161 void
  162 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
  163     int, int);
  164 
  165 
  166 
  167 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t);
  168 
  169 
  170 void
  171 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk,
  172     int number_entries, uint16_t * list,
  173     uint32_t seq, uint32_t resp_seq, uint32_t last_sent);
  174 
  175 void
  176 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk,
  177     int number_entries, uint16_t * list,
  178     uint32_t seq);
  179 
  180 void
  181 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk,
  182     uint32_t seq);
  183 
  184 void
  185 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk,
  186     uint32_t resp_seq, uint32_t result);
  187 
  188 void
  189 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk,
  190     uint32_t resp_seq, uint32_t result,
  191     uint32_t send_una, uint32_t recv_next);
  192 
  193 int
  194 sctp_send_str_reset_req(struct sctp_tcb *stcb,
  195     int number_entries, uint16_t * list,
  196     uint8_t send_out_req, uint32_t resp_seq,
  197     uint8_t send_in_req,
  198     uint8_t send_tsn_req);
  199 
  200 
  201 void
  202 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t,
  203     struct mbuf *, uint32_t, uint16_t);
  204 
  205 void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t, uint16_t);
  206 
  207 #endif                          /* _KERNEL || __Userspace__ */
  208 
  209 #if defined(_KERNEL) || defined (__Userspace__)
  210 int
  211 sctp_sosend(struct socket *so,
  212     struct sockaddr *addr,
  213     struct uio *uio,
  214     struct mbuf *top,
  215     struct mbuf *control,
  216     int flags,
  217     struct thread *p
  218 );
  219 
  220 #endif
  221 #endif

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