1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* $KAME: sctp_output.h,v 1.14 2005/03/06 16:04:18 itojun Exp $ */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef __sctp_output_h__ 37 #define __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_scoping *scope, 47 struct mbuf *m_at, 48 int cnt_inits_to); 49 50 51 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 52 53 54 int 55 sctp_is_address_in_scope(struct sctp_ifa *ifa, 56 int ipv4_addr_legal, 57 int ipv6_addr_legal, 58 int loopback_scope, 59 int ipv4_local_scope, 60 int local_scope, 61 int site_scope, 62 int do_update); 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 int 73 sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro); 74 int 75 sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro); 76 77 void 78 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int 79 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING) 80 SCTP_UNUSED 81 #endif 82 ); 83 84 void 85 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *, 86 struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *, 87 uint32_t, uint16_t, int); 88 89 struct mbuf * 90 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *, 91 struct sctp_chunkhdr *, int *); 92 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *); 93 94 int 95 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *, 96 struct sctp_nets *); 97 98 void sctp_send_cookie_ack(struct sctp_tcb *); 99 100 void 101 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int, 102 struct sctp_nets *); 103 104 void 105 sctp_remove_from_wheel(struct sctp_tcb *stcb, 106 struct sctp_association *asoc, 107 struct sctp_stream_out *strq, int holds_lock); 108 109 110 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *); 111 112 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *); 113 114 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *); 115 116 void 117 sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *, 118 uint32_t, uint16_t); 119 120 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked); 121 122 void sctp_send_asconf_ack(struct sctp_tcb *); 123 124 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *); 125 126 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *); 127 128 void sctp_toss_old_asconf(struct sctp_tcb *); 129 130 void sctp_fix_ecn_echo(struct sctp_association *); 131 132 int 133 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *, 134 struct mbuf *, struct thread *, int); 135 136 void 137 sctp_insert_on_wheel(struct sctp_tcb *stcb, 138 struct sctp_association *asoc, 139 struct sctp_stream_out *strq, int holdslock); 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 *); 157 158 /* EY 05/07/08 if nr_sacks used, the following function will be called instead of sctp_send_sack */ 159 void sctp_send_nr_sack(struct sctp_tcb *); 160 161 int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *); 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); 169 170 171 172 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t); 173 174 175 void 176 sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk, 177 int number_entries, uint16_t * list, 178 uint32_t seq, uint32_t resp_seq, uint32_t last_sent); 179 180 void 181 sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk, 182 int number_entries, uint16_t * list, 183 uint32_t seq); 184 185 void 186 sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk, 187 uint32_t seq); 188 189 void 190 sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk, 191 uint32_t resp_seq, uint32_t result); 192 193 void 194 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk, 195 uint32_t resp_seq, uint32_t result, 196 uint32_t send_una, uint32_t recv_next); 197 198 int 199 sctp_send_str_reset_req(struct sctp_tcb *stcb, 200 int number_entries, 201 uint16_t * list, 202 uint8_t send_out_req, 203 uint32_t resp_seq, 204 uint8_t send_in_req, 205 uint8_t send_tsn_req, 206 uint8_t add_str, 207 uint16_t adding); 208 209 210 void 211 sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t, 212 struct mbuf *, uint32_t, uint16_t); 213 214 void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t, uint16_t); 215 216 #endif /* _KERNEL || __Userspace__ */ 217 218 #if defined(_KERNEL) || defined (__Userspace__) 219 int 220 sctp_sosend(struct socket *so, 221 struct sockaddr *addr, 222 struct uio *uio, 223 struct mbuf *top, 224 struct mbuf *control, 225 int flags, 226 struct thread *p 227 ); 228 229 #endif 230 #endif 231