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 *, struct mbuf *, 84 int, int, 85 struct sockaddr *, struct sockaddr *, 86 struct sctphdr *, struct sctp_init_chunk *, 87 uint8_t, uint32_t, 88 uint32_t, uint16_t, int); 89 90 struct mbuf * 91 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 92 struct sctp_chunkhdr *, int *); 93 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 94 95 int 96 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 97 struct sctp_nets *); 98 99 void sctp_send_cookie_ack(struct sctp_tcb *); 100 101 void 102 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 103 struct sctp_nets *); 104 105 void 106 sctp_remove_from_wheel(struct sctp_tcb *stcb, 107 struct sctp_association *asoc, 108 struct sctp_stream_out *strq, int holds_lock); 109 110 111 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 112 113 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 114 115 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int); 116 117 void 118 sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *, 119 struct sctphdr *, 120 uint8_t, uint32_t, uint16_t, 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, 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_result(struct sctp_tmit_chunk *, uint32_t, uint32_t); 174 175 void 176 sctp_send_deferred_reset_response(struct sctp_tcb *, 177 struct sctp_stream_reset_list *, 178 int); 179 180 void 181 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *, 182 uint32_t, uint32_t, uint32_t, uint32_t); 183 int 184 sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int); 185 186 int 187 sctp_send_str_reset_req(struct sctp_tcb *, uint16_t, uint16_t *, 188 uint8_t, 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, uint16_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, uint16_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