xref: /freebsd/sys/netinet/sctp_output.h (revision f8829a4a404303ef77960af851396ac0f7af505b)

/*-
 * Copyright (c) 2001-2006, Cisco Systems, Inc. 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.
 */

/* $KAME: sctp_output.h,v 1.14 2005/03/06 16:04:18 itojun Exp $	 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#ifndef __sctp_output_h__
#define __sctp_output_h__




#include <netinet/sctp_header.h>



#if defined(_KERNEL)
void sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *);

void
sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
    struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *);

struct mbuf *
sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
    struct sctp_chunkhdr *);
void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);

int
sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
    struct sctp_nets *);
int sctp_send_cookie_ack(struct sctp_tcb *);

void
sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
    struct sctp_nets *);


int sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);

int sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);

int sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *);

int sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *);

int sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *);

int sctp_send_asconf_ack(struct sctp_tcb *, uint32_t);

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 *);

int
sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
    struct mbuf *, struct thread *, int);


void
sctp_insert_on_wheel(struct sctp_tcb *stcb,
    struct sctp_association *asoc,
    struct sctp_stream_out *strq, int holdslock);

int sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int);
void sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *);

void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);

void sctp_send_sack(struct sctp_tcb *);

int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *);

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);



void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t);


struct mbuf *
sctp_get_mbuf_for_msg(unsigned int space_needed,
    int want_header, int how, int allonebuf, int type);

void
sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk,
    int number_entries, uint16_t * list,
    uint32_t seq, uint32_t resp_seq, uint32_t last_sent);

void
sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk,
    int number_entries, uint16_t * list,
    uint32_t seq);

void
sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk,
    uint32_t seq);

void
sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk,
    uint32_t resp_seq, uint32_t result);

void
sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk,
    uint32_t resp_seq, uint32_t result,
    uint32_t send_una, uint32_t recv_next);

int
sctp_send_str_reset_req(struct sctp_tcb *stcb,
    int number_entries, uint16_t * list,
    uint8_t send_out_req, uint32_t resp_seq,
    uint8_t send_in_req,
    uint8_t send_tsn_req);


void
sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t,
    struct mbuf *);

void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t);

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