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 #ifdef __FreeBSD__ 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_output.h 246595 2013-02-09 17:26:14Z tuexen $"); 36 #endif 37 38 #ifndef _NETINET_SCTP_OUTPUT_H_ 39 #define _NETINET_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 uint16_t *padding_len, uint16_t *chunk_len); 53 54 55 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 56 57 58 int 59 sctp_is_address_in_scope(struct sctp_ifa *ifa, 60 struct sctp_scoping *scope, 61 int do_update); 62 63 int 64 sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 65 66 struct sctp_ifa * 67 sctp_source_address_selection(struct sctp_inpcb *inp, 68 struct sctp_tcb *stcb, 69 sctp_route_t *ro, struct sctp_nets *net, 70 int non_asoc_addr_ok, uint32_t vrf_id); 71 72 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__) 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 #endif 78 79 void 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 #if defined(__FreeBSD__) 91 uint8_t, uint32_t, 92 #endif 93 uint32_t, uint16_t, int); 94 95 struct mbuf * 96 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 97 struct sctp_chunkhdr *, int *); 98 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 99 100 int 101 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 102 struct sctp_nets *); 103 104 void sctp_send_cookie_ack(struct sctp_tcb *); 105 106 void 107 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 108 struct sctp_nets *); 109 110 void 111 sctp_remove_from_wheel(struct sctp_tcb *stcb, 112 struct sctp_association *asoc, 113 struct sctp_stream_out *strq, int holds_lock); 114 115 116 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 117 118 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 119 120 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int); 121 122 void sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *, 123 struct sctphdr *, 124 #if defined(__FreeBSD__) 125 uint8_t, uint32_t, 126 #endif 127 uint32_t, uint16_t); 128 129 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 130 131 void sctp_send_asconf_ack(struct sctp_tcb *); 132 133 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 134 135 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 136 137 void sctp_toss_old_asconf(struct sctp_tcb *); 138 139 void sctp_fix_ecn_echo(struct sctp_association *); 140 141 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net); 142 143 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 144 int 145 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 146 struct mbuf *, struct thread *, int); 147 #elif defined(__Windows__) 148 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 149 struct mbuf *, PKTHREAD, int); 150 #else 151 #if defined(__Userspace__) 152 /* sctp_output is called bu sctp_sendm. Not using sctp_sendm for __Userspace__ */ 153 #endif 154 int 155 sctp_output(struct sctp_inpcb *, 156 #if defined(__Panda__) 157 pakhandle_type, 158 #else 159 struct mbuf *, 160 #endif 161 struct sockaddr *, 162 #if defined(__Panda__) 163 pakhandle_type, 164 #else 165 struct mbuf *, 166 #endif 167 struct proc *, int); 168 #endif 169 170 void sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int 171 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 172 SCTP_UNUSED 173 #endif 174 ); 175 void sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int 176 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 177 SCTP_UNUSED 178 #endif 179 ); 180 181 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 182 183 void sctp_send_sack(struct sctp_tcb *, int); 184 185 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int); 186 187 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 188 189 190 void 191 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 192 int, int, int); 193 194 195 196 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t); 197 198 199 void 200 sctp_add_stream_reset_out(struct sctp_tmit_chunk *, 201 int, uint16_t *, uint32_t, uint32_t, uint32_t); 202 203 void 204 sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t); 205 206 void 207 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *, 208 uint32_t, uint32_t, uint32_t, uint32_t); 209 210 int 211 sctp_send_str_reset_req(struct sctp_tcb *, int , uint16_t *, uint8_t, uint8_t, 212 uint8_t, uint8_t, uint16_t, uint16_t, uint8_t); 213 214 void 215 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *, 216 struct sctphdr *, uint32_t, struct mbuf *, 217 #if defined(__FreeBSD__) 218 uint8_t, uint32_t, 219 #endif 220 uint32_t, uint16_t); 221 222 void sctp_send_operr_to(struct sockaddr *, struct sockaddr *, 223 struct sctphdr *, uint32_t, struct mbuf *, 224 #if defined(__FreeBSD__) 225 uint8_t, uint32_t, 226 #endif 227 uint32_t, uint16_t); 228 229 #endif /* _KERNEL || __Userspace__ */ 230 231 #if defined(_KERNEL) || defined(__Userspace__) 232 int 233 sctp_sosend(struct socket *so, 234 struct sockaddr *addr, 235 struct uio *uio, 236 #ifdef __Panda__ 237 pakhandle_type top, 238 pakhandle_type control, 239 #else 240 struct mbuf *top, 241 struct mbuf *control, 242 #endif 243 #if defined(__APPLE__) || defined(__Panda__) 244 int flags 245 #else 246 int flags, 247 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 248 struct thread *p 249 #elif defined(__Windows__) 250 PKTHREAD p 251 #else 252 #if defined(__Userspace__) 253 /* proc is a dummy in __Userspace__ and will not be passed to sctp_lower_sosend */ 254 #endif 255 struct proc *p 256 #endif 257 #endif 258 ); 259 260 #endif 261 #endif 262 263