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 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, int); 88 89 struct mbuf * 90 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 91 struct sctp_chunkhdr *); 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); 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 int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *); 154 155 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 156 157 158 void 159 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 160 int, int); 161 162 163 164 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t); 165 166 167 void 168 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk, 169 int number_entries, uint16_t * list, 170 uint32_t seq, uint32_t resp_seq, uint32_t last_sent); 171 172 void 173 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk, 174 int number_entries, uint16_t * list, 175 uint32_t seq); 176 177 void 178 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk, 179 uint32_t seq); 180 181 void 182 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk, 183 uint32_t resp_seq, uint32_t result); 184 185 void 186 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk, 187 uint32_t resp_seq, uint32_t result, 188 uint32_t send_una, uint32_t recv_next); 189 190 int 191 sctp_send_str_reset_req(struct sctp_tcb *stcb, 192 int number_entries, uint16_t * list, 193 uint8_t send_out_req, uint32_t resp_seq, 194 uint8_t send_in_req, 195 uint8_t send_tsn_req); 196 197 198 void 199 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t, 200 struct mbuf *, uint32_t); 201 202 void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t); 203 204 int 205 sctp_sosend(struct socket *so, 206 struct sockaddr *addr, 207 struct uio *uio, 208 struct mbuf *top, 209 struct mbuf *control, 210 int flags, 211 struct thread *p 212 ); 213 214 #endif 215 #endif 216