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

     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
      * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
      * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
     *
     * a) Redistributions of source code must retain the above copyright notice,
     *    this list of conditions and the following disclaimer.
     *
     * b) Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in
     *    the documentation and/or other materials provided with the distribution.
     *
     * c) Neither the name of Cisco Systems, Inc. nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/12.0/sys/netinet/sctp_output.h 336511 2018-07-19 20:16:33Z tuexen $");
    
    #ifndef _NETINET_SCTP_OUTPUT_H_
    #define _NETINET_SCTP_OUTPUT_H_
    
    #include <netinet/sctp_header.h>
    
    #if defined(_KERNEL) || defined(__Userspace__)
    
    
    struct mbuf *
    sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp,
        struct sctp_tcb *stcb,
        struct sctp_scoping *scope,
        struct mbuf *m_at,
        int cnt_inits_to,
        uint16_t *padding_len, uint16_t *chunk_len);
    
    
    int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
    
    
    int
    sctp_is_address_in_scope(struct sctp_ifa *ifa,
        struct sctp_scoping *scope,
        int do_update);
    
    int
        sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
    
    struct sctp_ifa *
    sctp_source_address_selection(struct sctp_inpcb *inp,
        struct sctp_tcb *stcb,
        sctp_route_t *ro, struct sctp_nets *net,
        int non_asoc_addr_ok, uint32_t vrf_id);
    
    int
        sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t *ro);
    int
        sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t *ro);
    
    void
    sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int
    #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
        SCTP_UNUSED
    #endif
    );
    
    void
    sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
        struct sctp_nets *, struct mbuf *,
        int, int,
        struct sockaddr *, struct sockaddr *,
        struct sctphdr *, struct sctp_init_chunk *,
        uint8_t, uint32_t,
        uint32_t, uint16_t);
    
    struct mbuf *
    sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
        struct sctp_chunkhdr *, int *);
    void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
    
    int
    sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
       struct sctp_nets *);
   
   void sctp_send_cookie_ack(struct sctp_tcb *);
   
   void
   sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
       struct sctp_nets *);
   
   void
   sctp_remove_from_wheel(struct sctp_tcb *stcb,
       struct sctp_association *asoc,
       struct sctp_stream_out *strq, int holds_lock);
   
   
   void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
   
   void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
   
   void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
   
   void
   sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *,
       struct sctphdr *,
       uint8_t, uint32_t, uint16_t,
       uint32_t, uint16_t);
   
   void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
   
   void sctp_send_asconf_ack(struct sctp_tcb *);
   
   int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
   
   void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
   
   void sctp_toss_old_asconf(struct sctp_tcb *);
   
   void sctp_fix_ecn_echo(struct sctp_association *);
   
   void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
   
   
   #define SCTP_DATA_CHUNK_OVERHEAD(stcb) ((stcb)->asoc.idata_supported ? \
                                           sizeof(struct sctp_idata_chunk) : \
                                           sizeof(struct sctp_data_chunk))
   
   int
   sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
       struct mbuf *, struct thread *, int);
   
   void
   sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
   #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
       SCTP_UNUSED
   #endif
   );
   void
   sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
   #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
       SCTP_UNUSED
   #endif
   );
   
   void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
   
   void sctp_send_sack(struct sctp_tcb *, int);
   
   void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int);
   
   void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
   
   
   void
   sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
       int, int, int);
   
   
   
   void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t);
   
   
   void
        sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t);
   
   void
   sctp_send_deferred_reset_response(struct sctp_tcb *,
       struct sctp_stream_reset_list *,
       int);
   
   void
   sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
       uint32_t, uint32_t, uint32_t, uint32_t);
   int
       sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int);
   
   int
   sctp_send_str_reset_req(struct sctp_tcb *, uint16_t, uint16_t *,
       uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
   
   void
   sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
       struct sctphdr *, uint32_t, struct mbuf *,
       uint8_t, uint32_t, uint16_t,
       uint32_t, uint16_t);
   
   void
   sctp_send_operr_to(struct sockaddr *, struct sockaddr *,
       struct sctphdr *, uint32_t, struct mbuf *,
       uint8_t, uint32_t, uint16_t,
       uint32_t, uint16_t);
   
   #endif                          /* _KERNEL || __Userspace__ */
   
   #if defined(_KERNEL) || defined(__Userspace__)
   int
   sctp_sosend(struct socket *so,
       struct sockaddr *addr,
       struct uio *uio,
       struct mbuf *top,
       struct mbuf *control,
       int flags,
       struct thread *p
   );
   
   #endif
   #endif

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