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) 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 73 74 void sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *); 75 76 void 77 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, 78 struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *, 79 uint32_t, uint32_t); 80 81 struct mbuf * 82 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 83 struct sctp_chunkhdr *); 84 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 85 86 int 87 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 88 struct sctp_nets *); 89 90 void sctp_send_cookie_ack(struct sctp_tcb *); 91 92 void 93 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 94 struct sctp_nets *); 95 96 97 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 98 99 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 100 101 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *); 102 103 void 104 sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *, 105 uint32_t, uint32_t); 106 107 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *); 108 109 void sctp_send_asconf_ack(struct sctp_tcb *, uint32_t); 110 111 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 112 113 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 114 115 void sctp_toss_old_asconf(struct sctp_tcb *); 116 117 void sctp_fix_ecn_echo(struct sctp_association *); 118 119 int 120 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 121 struct mbuf *, struct thread *, int); 122 123 void 124 sctp_insert_on_wheel(struct sctp_tcb *stcb, 125 struct sctp_association *asoc, 126 struct sctp_stream_out *strq, int holdslock); 127 128 void sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int); 129 void sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *); 130 131 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 132 133 void sctp_send_sack(struct sctp_tcb *); 134 135 int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *); 136 137 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 138 139 140 void 141 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 142 int, int); 143 144 145 146 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t); 147 148 149 void 150 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk, 151 int number_entries, uint16_t * list, 152 uint32_t seq, uint32_t resp_seq, uint32_t last_sent); 153 154 void 155 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk, 156 int number_entries, uint16_t * list, 157 uint32_t seq); 158 159 void 160 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk, 161 uint32_t seq); 162 163 void 164 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk, 165 uint32_t resp_seq, uint32_t result); 166 167 void 168 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk, 169 uint32_t resp_seq, uint32_t result, 170 uint32_t send_una, uint32_t recv_next); 171 172 int 173 sctp_send_str_reset_req(struct sctp_tcb *stcb, 174 int number_entries, uint16_t * list, 175 uint8_t send_out_req, uint32_t resp_seq, 176 uint8_t send_in_req, 177 uint8_t send_tsn_req); 178 179 180 void 181 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t, 182 struct mbuf *, uint32_t, uint32_t); 183 184 void 185 sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t, 186 uint32_t); 187 188 int 189 sctp_sosend(struct socket *so, 190 struct sockaddr *addr, 191 struct uio *uio, 192 struct mbuf *top, 193 struct mbuf *control, 194 int flags, 195 struct thread *p 196 ); 197 198 #endif 199 #endif 200