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 uint16_t * padding_len, uint16_t * chunk_len); 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 struct sctp_scoping *scope, 59 int do_update); 60 61 int 62 sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 63 64 struct sctp_ifa * 65 sctp_source_address_selection(struct sctp_inpcb *inp, 66 struct sctp_tcb *stcb, 67 sctp_route_t * ro, struct sctp_nets *net, 68 int non_asoc_addr_ok, uint32_t vrf_id); 69 70 int 71 sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro); 72 int 73 sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro); 74 75 void 76 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int 77 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 78 SCTP_UNUSED 79 #endif 80 ); 81 82 void 83 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, 84 struct sctp_nets *, struct mbuf *, 85 int, int, 86 struct sockaddr *, struct sockaddr *, 87 struct sctphdr *, struct sctp_init_chunk *, 88 uint8_t, uint32_t, 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 sockaddr *, struct sockaddr *, 120 struct sctphdr *, 121 uint8_t, uint32_t, uint16_t, 122 uint32_t, uint16_t); 123 124 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 125 126 void sctp_send_asconf_ack(struct sctp_tcb *); 127 128 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 129 130 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 131 132 void sctp_toss_old_asconf(struct sctp_tcb *); 133 134 void sctp_fix_ecn_echo(struct sctp_association *); 135 136 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net); 137 138 int 139 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 140 struct mbuf *, struct thread *, int); 141 142 void 143 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int 144 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 145 SCTP_UNUSED 146 #endif 147 ); 148 void 149 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int 150 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 151 SCTP_UNUSED 152 #endif 153 ); 154 155 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 156 157 void sctp_send_sack(struct sctp_tcb *, int); 158 159 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int); 160 161 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 162 163 164 void 165 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 166 int, int, int); 167 168 169 170 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t); 171 172 173 void 174 sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t); 175 176 void 177 sctp_send_deferred_reset_response(struct sctp_tcb *, 178 struct sctp_stream_reset_list *, 179 int); 180 181 void 182 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *, 183 uint32_t, uint32_t, uint32_t, uint32_t); 184 int 185 sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int); 186 187 int 188 sctp_send_str_reset_req(struct sctp_tcb *, uint16_t, uint16_t *, 189 uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t); 190 191 void 192 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *, 193 struct sctphdr *, uint32_t, struct mbuf *, 194 uint8_t, uint32_t, uint16_t, 195 uint32_t, uint16_t); 196 197 void 198 sctp_send_operr_to(struct sockaddr *, struct sockaddr *, 199 struct sctphdr *, uint32_t, struct mbuf *, 200 uint8_t, uint32_t, uint16_t, 201 uint32_t, uint16_t); 202 203 #endif /* _KERNEL || __Userspace__ */ 204 205 #if defined(_KERNEL) || defined(__Userspace__) 206 int 207 sctp_sosend(struct socket *so, 208 struct sockaddr *addr, 209 struct uio *uio, 210 struct mbuf *top, 211 struct mbuf *control, 212 int flags, 213 struct thread *p 214 ); 215 216 #endif 217 #endif 218