1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* $KAME: sctp_output.h,v 1.14 2005/03/06 16:04:18 itojun Exp $ */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef __sctp_output_h__ 39 #define __sctp_output_h__ 40 41 #include <netinet/sctp_header.h> 42 43 #if defined(_KERNEL) || defined(__Userspace__) 44 45 46 struct mbuf * 47 sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp, 48 struct sctp_scoping *scope, 49 struct mbuf *m_at, 50 int cnt_inits_to); 51 52 53 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 54 55 56 int 57 sctp_is_address_in_scope(struct sctp_ifa *ifa, 58 int ipv4_addr_legal, 59 int ipv6_addr_legal, 60 int loopback_scope, 61 int ipv4_local_scope, 62 int local_scope, 63 int site_scope, 64 int do_update); 65 int 66 sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 67 68 struct sctp_ifa * 69 sctp_source_address_selection(struct sctp_inpcb *inp, 70 struct sctp_tcb *stcb, 71 sctp_route_t * ro, struct sctp_nets *net, 72 int non_asoc_addr_ok, uint32_t vrf_id); 73 74 int 75 sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro); 76 int 77 sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro); 78 79 void 80 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int 81 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 82 SCTP_UNUSED 83 #endif 84 ); 85 86 void 87 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, 88 struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *, 89 uint32_t, uint16_t, int); 90 91 struct mbuf * 92 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 93 struct sctp_chunkhdr *, int *); 94 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 95 96 int 97 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 98 struct sctp_nets *); 99 100 void sctp_send_cookie_ack(struct sctp_tcb *); 101 102 void 103 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 104 struct sctp_nets *); 105 106 void 107 sctp_remove_from_wheel(struct sctp_tcb *stcb, 108 struct sctp_association *asoc, 109 struct sctp_stream_out *strq, int holds_lock); 110 111 112 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 113 114 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 115 116 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int); 117 118 void 119 sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *, 120 uint32_t, uint16_t); 121 122 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 123 124 void sctp_send_asconf_ack(struct sctp_tcb *); 125 126 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 127 128 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 129 130 void sctp_toss_old_asconf(struct sctp_tcb *); 131 132 void sctp_fix_ecn_echo(struct sctp_association *); 133 134 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net); 135 136 int 137 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 138 struct mbuf *, struct thread *, int); 139 140 void 141 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int 142 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 143 SCTP_UNUSED 144 #endif 145 ); 146 void 147 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int 148 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 149 SCTP_UNUSED 150 #endif 151 ); 152 153 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 154 155 void sctp_send_sack(struct sctp_tcb *); 156 157 int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *); 158 159 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 160 161 162 void 163 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 164 int, int); 165 166 167 168 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t); 169 170 171 void 172 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk, 173 int number_entries, uint16_t * list, 174 uint32_t seq, uint32_t resp_seq, uint32_t last_sent); 175 176 void 177 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk, 178 int number_entries, uint16_t * list, 179 uint32_t seq); 180 181 void 182 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk, 183 uint32_t seq); 184 185 void 186 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk, 187 uint32_t resp_seq, uint32_t result); 188 189 void 190 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk, 191 uint32_t resp_seq, uint32_t result, 192 uint32_t send_una, uint32_t recv_next); 193 194 int 195 sctp_send_str_reset_req(struct sctp_tcb *stcb, 196 int number_entries, 197 uint16_t * list, 198 uint8_t send_out_req, 199 uint32_t resp_seq, 200 uint8_t send_in_req, 201 uint8_t send_tsn_req, 202 uint8_t add_str, 203 uint16_t adding); 204 205 206 void 207 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t, 208 struct mbuf *, uint32_t, uint16_t); 209 210 void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t, uint16_t); 211 212 #endif /* _KERNEL || __Userspace__ */ 213 214 #if defined(_KERNEL) || defined (__Userspace__) 215 int 216 sctp_sosend(struct socket *so, 217 struct sockaddr *addr, 218 struct uio *uio, 219 struct mbuf *top, 220 struct mbuf *control, 221 int flags, 222 struct thread *p 223 ); 224 225 #endif 226 #endif 227