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_tcb *stcb, 49 struct sctp_scoping *scope, 50 struct mbuf *m_at, 51 int cnt_inits_to); 52 53 54 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 55 56 57 int 58 sctp_is_address_in_scope(struct sctp_ifa *ifa, 59 int ipv4_addr_legal, 60 int ipv6_addr_legal, 61 int loopback_scope, 62 int ipv4_local_scope, 63 int local_scope, 64 int site_scope, 65 int do_update); 66 int 67 sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 68 69 struct sctp_ifa * 70 sctp_source_address_selection(struct sctp_inpcb *inp, 71 struct sctp_tcb *stcb, 72 sctp_route_t * ro, struct sctp_nets *net, 73 int non_asoc_addr_ok, uint32_t vrf_id); 74 75 int 76 sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro); 77 int 78 sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro); 79 80 void 81 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int 82 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 83 SCTP_UNUSED 84 #endif 85 ); 86 87 void 88 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, 89 struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *, 90 uint32_t, uint16_t, int); 91 92 struct mbuf * 93 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 94 struct sctp_chunkhdr *, int *); 95 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 96 97 int 98 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 99 struct sctp_nets *); 100 101 void sctp_send_cookie_ack(struct sctp_tcb *); 102 103 void 104 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 105 struct sctp_nets *); 106 107 void 108 sctp_remove_from_wheel(struct sctp_tcb *stcb, 109 struct sctp_association *asoc, 110 struct sctp_stream_out *strq, int holds_lock); 111 112 113 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 114 115 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 116 117 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int); 118 119 void 120 sctp_send_shutdown_complete2(struct mbuf *, struct sctphdr *, 121 uint32_t, uint16_t); 122 123 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 124 125 void sctp_send_asconf_ack(struct sctp_tcb *); 126 127 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 128 129 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 130 131 void sctp_toss_old_asconf(struct sctp_tcb *); 132 133 void sctp_fix_ecn_echo(struct sctp_association *); 134 135 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net); 136 137 int 138 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 139 struct mbuf *, struct thread *, int); 140 141 void 142 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int 143 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 144 SCTP_UNUSED 145 #endif 146 ); 147 void 148 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int 149 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 150 SCTP_UNUSED 151 #endif 152 ); 153 154 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 155 156 void sctp_send_sack(struct sctp_tcb *, int); 157 158 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int); 159 160 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 161 162 163 void 164 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 165 int, int); 166 167 168 169 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t); 170 171 172 void 173 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk, 174 int number_entries, uint16_t * list, 175 uint32_t seq, uint32_t resp_seq, uint32_t last_sent); 176 177 void 178 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk, 179 int number_entries, uint16_t * list, 180 uint32_t seq); 181 182 void 183 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk, 184 uint32_t seq); 185 186 void 187 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk, 188 uint32_t resp_seq, uint32_t result); 189 190 void 191 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk, 192 uint32_t resp_seq, uint32_t result, 193 uint32_t send_una, uint32_t recv_next); 194 195 int 196 sctp_send_str_reset_req(struct sctp_tcb *stcb, 197 int number_entries, uint16_t * list, 198 uint8_t send_out_req, 199 uint8_t send_in_req, 200 uint8_t send_tsn_req, 201 uint8_t add_stream, 202 uint16_t adding_o, 203 uint16_t adding_i, uint8_t from_peer); 204 205 void 206 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t, 207 struct mbuf *, uint32_t, uint16_t); 208 209 void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t, uint16_t); 210 211 #endif /* _KERNEL || __Userspace__ */ 212 213 #if defined(_KERNEL) || defined (__Userspace__) 214 int 215 sctp_sosend(struct socket *so, 216 struct sockaddr *addr, 217 struct uio *uio, 218 struct mbuf *top, 219 struct mbuf *control, 220 int flags, 221 struct thread *p 222 ); 223 224 #endif 225 #endif 226