1f8829a4aSRandall Stewart /*- 2b1006367SRandall Stewart * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3f8829a4aSRandall Stewart * 4f8829a4aSRandall Stewart * Redistribution and use in source and binary forms, with or without 5f8829a4aSRandall Stewart * modification, are permitted provided that the following conditions are met: 6f8829a4aSRandall Stewart * 7f8829a4aSRandall Stewart * a) Redistributions of source code must retain the above copyright notice, 8f8829a4aSRandall Stewart * this list of conditions and the following disclaimer. 9f8829a4aSRandall Stewart * 10f8829a4aSRandall Stewart * b) Redistributions in binary form must reproduce the above copyright 11f8829a4aSRandall Stewart * notice, this list of conditions and the following disclaimer in 12f8829a4aSRandall Stewart * the documentation and/or other materials provided with the distribution. 13f8829a4aSRandall Stewart * 14f8829a4aSRandall Stewart * c) Neither the name of Cisco Systems, Inc. nor the names of its 15f8829a4aSRandall Stewart * contributors may be used to endorse or promote products derived 16f8829a4aSRandall Stewart * from this software without specific prior written permission. 17f8829a4aSRandall Stewart * 18f8829a4aSRandall Stewart * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19f8829a4aSRandall Stewart * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20f8829a4aSRandall Stewart * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21f8829a4aSRandall Stewart * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22f8829a4aSRandall Stewart * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23f8829a4aSRandall Stewart * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24f8829a4aSRandall Stewart * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25f8829a4aSRandall Stewart * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26f8829a4aSRandall Stewart * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27f8829a4aSRandall Stewart * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28f8829a4aSRandall Stewart * THE POSSIBILITY OF SUCH DAMAGE. 29f8829a4aSRandall Stewart */ 30f8829a4aSRandall Stewart 31f8829a4aSRandall Stewart /* $KAME: sctp_output.h,v 1.14 2005/03/06 16:04:18 itojun Exp $ */ 32f8829a4aSRandall Stewart 33f8829a4aSRandall Stewart #include <sys/cdefs.h> 34f8829a4aSRandall Stewart __FBSDID("$FreeBSD$"); 35f8829a4aSRandall Stewart 36f8829a4aSRandall Stewart #ifndef __sctp_output_h__ 37f8829a4aSRandall Stewart #define __sctp_output_h__ 38f8829a4aSRandall Stewart 39f8829a4aSRandall Stewart #include <netinet/sctp_header.h> 40f8829a4aSRandall Stewart 41f8829a4aSRandall Stewart #if defined(_KERNEL) 4242551e99SRandall Stewart 4342551e99SRandall Stewart 4442551e99SRandall Stewart struct mbuf * 4542551e99SRandall Stewart sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp, 4642551e99SRandall Stewart struct sctp_scoping *scope, 4742551e99SRandall Stewart struct mbuf *m_at, 4842551e99SRandall Stewart int cnt_inits_to); 4942551e99SRandall Stewart 5042551e99SRandall Stewart 5142551e99SRandall Stewart int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 5242551e99SRandall Stewart 5342551e99SRandall Stewart 5442551e99SRandall Stewart int 5542551e99SRandall Stewart sctp_is_address_in_scope(struct sctp_ifa *ifa, 5642551e99SRandall Stewart int ipv4_addr_legal, 5742551e99SRandall Stewart int ipv6_addr_legal, 5842551e99SRandall Stewart int loopback_scope, 5942551e99SRandall Stewart int ipv4_local_scope, 6042551e99SRandall Stewart int local_scope, 6142551e99SRandall Stewart int site_scope, 6242551e99SRandall Stewart int do_update); 6342551e99SRandall Stewart int 6442551e99SRandall Stewart sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 6542551e99SRandall Stewart 6642551e99SRandall Stewart struct sctp_ifa * 6742551e99SRandall Stewart sctp_source_address_selection(struct sctp_inpcb *inp, 6842551e99SRandall Stewart struct sctp_tcb *stcb, 69bff64a4dSRandall Stewart sctp_route_t * ro, struct sctp_nets *net, 7042551e99SRandall Stewart int non_asoc_addr_ok, uint32_t vrf_id); 7142551e99SRandall Stewart 722afb3e84SRandall Stewart int 732afb3e84SRandall Stewart sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro); 742afb3e84SRandall Stewart int 752afb3e84SRandall Stewart sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro); 7642551e99SRandall Stewart 77f8829a4aSRandall Stewart void sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *); 78f8829a4aSRandall Stewart 79f8829a4aSRandall Stewart void 80f8829a4aSRandall Stewart sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, 8117205eccSRandall Stewart struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *, 82ad21a364SRandall Stewart uint32_t); 83f8829a4aSRandall Stewart 84f8829a4aSRandall Stewart struct mbuf * 85f8829a4aSRandall Stewart sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 86f8829a4aSRandall Stewart struct sctp_chunkhdr *); 87f8829a4aSRandall Stewart void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 88f8829a4aSRandall Stewart 89f8829a4aSRandall Stewart int 90f8829a4aSRandall Stewart sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 91f8829a4aSRandall Stewart struct sctp_nets *); 926e55db54SRandall Stewart 936e55db54SRandall Stewart void sctp_send_cookie_ack(struct sctp_tcb *); 94f8829a4aSRandall Stewart 95f8829a4aSRandall Stewart void 96f8829a4aSRandall Stewart sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 97f8829a4aSRandall Stewart struct sctp_nets *); 98f8829a4aSRandall Stewart 99f8829a4aSRandall Stewart 1006e55db54SRandall Stewart void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 101f8829a4aSRandall Stewart 1026e55db54SRandall Stewart void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 103f8829a4aSRandall Stewart 1046e55db54SRandall Stewart void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *); 105f8829a4aSRandall Stewart 1066e55db54SRandall Stewart void 10717205eccSRandall Stewart sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *, 108ad21a364SRandall Stewart uint32_t); 109f8829a4aSRandall Stewart 1106e55db54SRandall Stewart void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *); 111f8829a4aSRandall Stewart 1122afb3e84SRandall Stewart void sctp_send_asconf_ack(struct sctp_tcb *); 113f8829a4aSRandall Stewart 114f8829a4aSRandall Stewart int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 115f8829a4aSRandall Stewart 116f8829a4aSRandall Stewart void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 117f8829a4aSRandall Stewart 118f8829a4aSRandall Stewart void sctp_toss_old_asconf(struct sctp_tcb *); 119f8829a4aSRandall Stewart 120f8829a4aSRandall Stewart void sctp_fix_ecn_echo(struct sctp_association *); 121f8829a4aSRandall Stewart 122f8829a4aSRandall Stewart int 123f8829a4aSRandall Stewart sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 124f8829a4aSRandall Stewart struct mbuf *, struct thread *, int); 125f8829a4aSRandall Stewart 126f8829a4aSRandall Stewart void 127f8829a4aSRandall Stewart sctp_insert_on_wheel(struct sctp_tcb *stcb, 128f8829a4aSRandall Stewart struct sctp_association *asoc, 129f8829a4aSRandall Stewart struct sctp_stream_out *strq, int holdslock); 130f8829a4aSRandall Stewart 1316e55db54SRandall Stewart void sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int); 132f8829a4aSRandall Stewart void sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *); 133f8829a4aSRandall Stewart 134f8829a4aSRandall Stewart void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 135f8829a4aSRandall Stewart 136f8829a4aSRandall Stewart void sctp_send_sack(struct sctp_tcb *); 137f8829a4aSRandall Stewart 138f8829a4aSRandall Stewart int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *); 139f8829a4aSRandall Stewart 140f8829a4aSRandall Stewart void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 141f8829a4aSRandall Stewart 142f8829a4aSRandall Stewart 143f8829a4aSRandall Stewart void 144f8829a4aSRandall Stewart sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 145f8829a4aSRandall Stewart int, int); 146f8829a4aSRandall Stewart 147f8829a4aSRandall Stewart 148f8829a4aSRandall Stewart 149f8829a4aSRandall Stewart void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t); 150f8829a4aSRandall Stewart 151f8829a4aSRandall Stewart 152f8829a4aSRandall Stewart void 153f8829a4aSRandall Stewart sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk, 154f8829a4aSRandall Stewart int number_entries, uint16_t * list, 155f8829a4aSRandall Stewart uint32_t seq, uint32_t resp_seq, uint32_t last_sent); 156f8829a4aSRandall Stewart 157f8829a4aSRandall Stewart void 158f8829a4aSRandall Stewart sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk, 159f8829a4aSRandall Stewart int number_entries, uint16_t * list, 160f8829a4aSRandall Stewart uint32_t seq); 161f8829a4aSRandall Stewart 162f8829a4aSRandall Stewart void 163f8829a4aSRandall Stewart sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk, 164f8829a4aSRandall Stewart uint32_t seq); 165f8829a4aSRandall Stewart 166f8829a4aSRandall Stewart void 167f8829a4aSRandall Stewart sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk, 168f8829a4aSRandall Stewart uint32_t resp_seq, uint32_t result); 169f8829a4aSRandall Stewart 170f8829a4aSRandall Stewart void 171f8829a4aSRandall Stewart sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk, 172f8829a4aSRandall Stewart uint32_t resp_seq, uint32_t result, 173f8829a4aSRandall Stewart uint32_t send_una, uint32_t recv_next); 174f8829a4aSRandall Stewart 175f8829a4aSRandall Stewart int 176f8829a4aSRandall Stewart sctp_send_str_reset_req(struct sctp_tcb *stcb, 177f8829a4aSRandall Stewart int number_entries, uint16_t * list, 178f8829a4aSRandall Stewart uint8_t send_out_req, uint32_t resp_seq, 179f8829a4aSRandall Stewart uint8_t send_in_req, 180f8829a4aSRandall Stewart uint8_t send_tsn_req); 181f8829a4aSRandall Stewart 182f8829a4aSRandall Stewart 183f8829a4aSRandall Stewart void 184f8829a4aSRandall Stewart sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t, 185ad21a364SRandall Stewart struct mbuf *, uint32_t); 186f8829a4aSRandall Stewart 187ad21a364SRandall Stewart void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t); 188f8829a4aSRandall Stewart 189f8829a4aSRandall Stewart int 190f8829a4aSRandall Stewart sctp_sosend(struct socket *so, 191f8829a4aSRandall Stewart struct sockaddr *addr, 192f8829a4aSRandall Stewart struct uio *uio, 193f8829a4aSRandall Stewart struct mbuf *top, 194f8829a4aSRandall Stewart struct mbuf *control, 195f8829a4aSRandall Stewart int flags, 196f8829a4aSRandall Stewart struct thread *p 197f8829a4aSRandall Stewart ); 198f8829a4aSRandall Stewart 199f8829a4aSRandall Stewart #endif 200f8829a4aSRandall Stewart #endif 201