1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, 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 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef _NETINET_SCTP_OUTPUT_H_ 37 #define _NETINET_SCTP_OUTPUT_H_ 38 39 #include <netinet/sctp_header.h> 40 41 #if defined(_KERNEL) || defined(__Userspace__) 42 43 44 struct mbuf * 45 sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp, 46 struct sctp_tcb *stcb, 47 struct sctp_scoping *scope, 48 struct mbuf *m_at, 49 int cnt_inits_to); 50 51 52 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 53 54 55 int 56 sctp_is_address_in_scope(struct sctp_ifa *ifa, 57 int ipv4_addr_legal, 58 int ipv6_addr_legal, 59 int loopback_scope, 60 int ipv4_local_scope, 61 int local_scope, 62 int site_scope, 63 int do_update); 64 int 65 sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 66 67 struct sctp_ifa * 68 sctp_source_address_selection(struct sctp_inpcb *inp, 69 struct sctp_tcb *stcb, 70 sctp_route_t * ro, struct sctp_nets *net, 71 int non_asoc_addr_ok, uint32_t vrf_id); 72 73 int 74 sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro); 75 int 76 sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro); 77 78 void 79 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int 80 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 81 SCTP_UNUSED 82 #endif 83 ); 84 85 void 86 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, struct mbuf *, 87 int, int, 88 struct sockaddr *, struct sockaddr *, 89 struct sctphdr *, struct sctp_init_chunk *, 90 uint8_t, uint32_t, 91 uint32_t, uint16_t, int); 92 93 struct mbuf * 94 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 95 struct sctp_chunkhdr *, int *); 96 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 97 98 int 99 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 100 struct sctp_nets *); 101 102 void sctp_send_cookie_ack(struct sctp_tcb *); 103 104 void 105 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 106 struct sctp_nets *); 107 108 void 109 sctp_remove_from_wheel(struct sctp_tcb *stcb, 110 struct sctp_association *asoc, 111 struct sctp_stream_out *strq, int holds_lock); 112 113 114 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 115 116 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 117 118 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int); 119 120 void 121 sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *, 122 struct sctphdr *, 123 uint8_t, uint32_t, 124 uint32_t, uint16_t); 125 126 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 127 128 void sctp_send_asconf_ack(struct sctp_tcb *); 129 130 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 131 132 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 133 134 void sctp_toss_old_asconf(struct sctp_tcb *); 135 136 void sctp_fix_ecn_echo(struct sctp_association *); 137 138 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net); 139 140 int 141 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 142 struct mbuf *, struct thread *, int); 143 144 void 145 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int 146 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 147 SCTP_UNUSED 148 #endif 149 ); 150 void 151 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int 152 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 153 SCTP_UNUSED 154 #endif 155 ); 156 157 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 158 159 void sctp_send_sack(struct sctp_tcb *, int); 160 161 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int); 162 163 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 164 165 166 void 167 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 168 int, int, int); 169 170 171 172 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t); 173 174 175 void 176 sctp_add_stream_reset_out(struct sctp_tmit_chunk *, 177 int, uint16_t *, uint32_t, uint32_t, uint32_t); 178 179 void 180 sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t); 181 182 void 183 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *, 184 uint32_t, uint32_t, uint32_t, uint32_t); 185 186 int 187 sctp_send_str_reset_req(struct sctp_tcb *, int, uint16_t *, uint8_t, uint8_t, 188 uint8_t, uint8_t, uint16_t, uint16_t, uint8_t); 189 190 void 191 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *, 192 struct sctphdr *, uint32_t, struct mbuf *, 193 uint8_t, uint32_t, 194 uint32_t, uint16_t); 195 196 void 197 sctp_send_operr_to(struct sockaddr *, struct sockaddr *, 198 struct sctphdr *, uint32_t, struct mbuf *, 199 uint8_t, uint32_t, 200 uint32_t, uint16_t); 201 202 #endif /* _KERNEL || __Userspace__ */ 203 204 #if defined(_KERNEL) || defined(__Userspace__) 205 int 206 sctp_sosend(struct socket *so, 207 struct sockaddr *addr, 208 struct uio *uio, 209 struct mbuf *top, 210 struct mbuf *control, 211 int flags, 212 struct thread *p 213 ); 214 215 #endif 216 #endif 217