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 46struct mbuf * 47sctp_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 55int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 56 57 58int 59sctp_is_address_in_scope(struct sctp_ifa *ifa, 60 struct sctp_scoping *scope, 61 int do_update); 62 63int 64sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa); 65 66struct sctp_ifa * 67sctp_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__) 73int 74sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t *ro); 75int 76sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t *ro); 77#endif 78 79void 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 85void 86sctp_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 95struct mbuf * 96sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 97 struct sctp_chunkhdr *, int *); 98void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 99 100int 101sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 102 struct sctp_nets *); 103 104void sctp_send_cookie_ack(struct sctp_tcb *); 105 106void 107sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 108 struct sctp_nets *); 109 110void 111sctp_remove_from_wheel(struct sctp_tcb *stcb, 112 struct sctp_association *asoc, 113 struct sctp_stream_out *strq, int holds_lock); 114 115 116void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 117 118void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 119 120void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int); 121 122void 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 129void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 130 131void sctp_send_asconf_ack(struct sctp_tcb *); 132 133int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 134 135void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 136 137void sctp_toss_old_asconf(struct sctp_tcb *); 138 139void sctp_fix_ecn_echo(struct sctp_association *); 140 141void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net); 142 143#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 144int 145sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 146 struct mbuf *, struct thread *, int); 147#elif defined(__Windows__) 148sctp_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 154int 155sctp_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 170void 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 ); 175void 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 181void send_forward_tsn(struct sctp_tcb *, struct sctp_association *); 182 183void sctp_send_sack(struct sctp_tcb *, int); 184 185void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int); 186 187void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t); 188 189 190void 191sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *, 192 int, int, int); 193 194 195 196void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t); 197 198 199void 200sctp_add_stream_reset_out(struct sctp_tmit_chunk *, 201 int, uint16_t *, uint32_t, uint32_t, uint32_t); 202 203void 204sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t); 205 206void 207sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *, 208 uint32_t, uint32_t, uint32_t, uint32_t); 209 210int 211sctp_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 214void 215sctp_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 222void 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__) 232int 233sctp_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