sctp_var.h revision 1.1
1 /* $KAME: sctp_var.h,v 1.24 2005/03/06 16:04:19 itojun Exp $ */ 2 /* $NetBSD: sctp_var.h,v 1.1 2015/10/13 21:28:35 rjs Exp $ */ 3 4 /* 5 * Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Cisco Systems, Inc. 19 * 4. Neither the name of the project nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef _NETINET_SCTP_VAR_H_ 37 #define _NETINET_SCTP_VAR_H_ 38 39 #include <sys/socketvar.h> 40 #include <netinet/sctp_uio.h> 41 42 /* SCTP Kernel structures */ 43 44 /* 45 * Names for SCTP sysctl objects 46 */ 47 #ifndef __APPLE__ 48 #define SCTPCTL_MAXDGRAM 1 /* max datagram size */ 49 #define SCTPCTL_RECVSPACE 2 /* default receive buffer space */ 50 #define SCTPCTL_AUTOASCONF 3 /* auto asconf enable/disable flag */ 51 #define SCTPCTL_ECN_ENABLE 4 /* Is ecn allowed */ 52 #define SCTPCTL_ECN_NONCE 5 /* Is ecn nonce allowed */ 53 #define SCTPCTL_STRICT_SACK 6 /* strictly require sack'd TSN's to be 54 * smaller than sndnxt. 55 */ 56 #define SCTPCTL_NOCSUM_LO 7 /* Require that the Loopback NOT have 57 * the crc32 checksum on packets routed over 58 * it. 59 */ 60 #define SCTPCTL_STRICT_INIT 8 61 #define SCTPCTL_PEER_CHK_OH 9 62 #define SCTPCTL_MAXBURST 10 63 #define SCTPCTL_MAXCHUNKONQ 11 64 #define SCTPCTL_DELAYED_SACK 12 65 #define SCTPCTL_HB_INTERVAL 13 66 #define SCTPCTL_PMTU_RAISE 14 67 #define SCTPCTL_SHUTDOWN_GUARD 15 68 #define SCTPCTL_SECRET_LIFETIME 16 69 #define SCTPCTL_RTO_MAX 17 70 #define SCTPCTL_RTO_MIN 18 71 #define SCTPCTL_RTO_INITIAL 19 72 #define SCTPCTL_INIT_RTO_MAX 20 73 #define SCTPCTL_COOKIE_LIFE 21 74 #define SCTPCTL_INIT_RTX_MAX 22 75 #define SCTPCTL_ASSOC_RTX_MAX 23 76 #define SCTPCTL_PATH_RTX_MAX 24 77 #define SCTPCTL_NR_OUTGOING_STREAMS 25 78 #ifdef SCTP_DEBUG 79 #define SCTPCTL_DEBUG 26 80 #define SCTPCTL_MAXID 27 81 #else 82 #define SCTPCTL_MAXID 26 83 #endif 84 85 #endif 86 87 #ifdef SCTP_DEBUG 88 #define SCTPCTL_NAMES { \ 89 { 0, 0 }, \ 90 { "maxdgram", CTLTYPE_INT }, \ 91 { "recvspace", CTLTYPE_INT }, \ 92 { "autoasconf", CTLTYPE_INT }, \ 93 { "ecn_enable", CTLTYPE_INT }, \ 94 { "ecn_nonce", CTLTYPE_INT }, \ 95 { "strict_sack", CTLTYPE_INT }, \ 96 { "looback_nocsum", CTLTYPE_INT }, \ 97 { "strict_init", CTLTYPE_INT }, \ 98 { "peer_chkoh", CTLTYPE_INT }, \ 99 { "maxburst", CTLTYPE_INT }, \ 100 { "maxchunks", CTLTYPE_INT }, \ 101 { "delayed_sack_time", CTLTYPE_INT }, \ 102 { "heartbeat_interval", CTLTYPE_INT }, \ 103 { "pmtu_raise_time", CTLTYPE_INT }, \ 104 { "shutdown_guard_time", CTLTYPE_INT }, \ 105 { "secret_lifetime", CTLTYPE_INT }, \ 106 { "rto_max", CTLTYPE_INT }, \ 107 { "rto_min", CTLTYPE_INT }, \ 108 { "rto_initial", CTLTYPE_INT }, \ 109 { "init_rto_max", CTLTYPE_INT }, \ 110 { "valid_cookie_life", CTLTYPE_INT }, \ 111 { "init_rtx_max", CTLTYPE_INT }, \ 112 { "assoc_rtx_max", CTLTYPE_INT }, \ 113 { "path_rtx_max", CTLTYPE_INT }, \ 114 { "nr_outgoing_streams", CTLTYPE_INT }, \ 115 { "debug", CTLTYPE_INT }, \ 116 } 117 #else 118 #define SCTPCTL_NAMES { \ 119 { 0, 0 }, \ 120 { "maxdgram", CTLTYPE_INT }, \ 121 { "recvspace", CTLTYPE_INT }, \ 122 { "autoasconf", CTLTYPE_INT }, \ 123 { "ecn_enable", CTLTYPE_INT }, \ 124 { "ecn_nonce", CTLTYPE_INT }, \ 125 { "strict_sack", CTLTYPE_INT }, \ 126 { "looback_nocsum", CTLTYPE_INT }, \ 127 { "strict_init", CTLTYPE_INT }, \ 128 { "peer_chkoh", CTLTYPE_INT }, \ 129 { "maxburst", CTLTYPE_INT }, \ 130 { "maxchunks", CTLTYPE_INT }, \ 131 { "delayed_sack_time", CTLTYPE_INT }, \ 132 { "heartbeat_interval", CTLTYPE_INT }, \ 133 { "pmtu_raise_time", CTLTYPE_INT }, \ 134 { "shutdown_guard_time", CTLTYPE_INT }, \ 135 { "secret_lifetime", CTLTYPE_INT }, \ 136 { "rto_max", CTLTYPE_INT }, \ 137 { "rto_min", CTLTYPE_INT }, \ 138 { "rto_initial", CTLTYPE_INT }, \ 139 { "init_rto_max", CTLTYPE_INT }, \ 140 { "valid_cookie_life", CTLTYPE_INT }, \ 141 { "init_rtx_max", CTLTYPE_INT }, \ 142 { "assoc_rtx_max", CTLTYPE_INT }, \ 143 { "path_rtx_max", CTLTYPE_INT }, \ 144 { "nr_outgoing_streams", CTLTYPE_INT }, \ 145 } 146 #endif 147 148 #if defined(_KERNEL) 149 150 extern const struct pr_usrreqs sctp_usrreqs; 151 152 int sctp_usrreq(struct socket *, int, struct mbuf *, struct mbuf *, 153 struct mbuf *, struct lwp *); 154 155 #define sctp_sbspace(sb) ((long) (((sb)->sb_hiwat > (sb)->sb_cc) ? ((sb)->sb_hiwat - (sb)->sb_cc) : 0)) 156 157 #define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0) 158 159 extern int sctp_sendspace; 160 extern int sctp_recvspace; 161 extern int sctp_ecn; 162 extern int sctp_ecn_nonce; 163 164 #define sctp_ucount_incr(val) { \ 165 val++; \ 166 } 167 168 #define sctp_ucount_decr(val) { \ 169 if (val > 0) { \ 170 val--; \ 171 } else { \ 172 val = 0; \ 173 } \ 174 } 175 176 #define sctp_flight_size_decrease(tp1) do { \ 177 if (tp1->whoTo->flight_size >= tp1->book_size) \ 178 tp1->whoTo->flight_size -= tp1->book_size; \ 179 else \ 180 tp1->whoTo->flight_size = 0; \ 181 } while (0) 182 183 #define sctp_flight_size_increase(tp1) do { \ 184 (tp1)->whoTo->flight_size += (tp1)->book_size; \ 185 } while (0) 186 187 #define sctp_total_flight_decrease(stcb, tp1) do { \ 188 if (stcb->asoc.total_flight >= tp1->book_size) { \ 189 stcb->asoc.total_flight -= tp1->book_size; \ 190 if (stcb->asoc.total_flight_count > 0) \ 191 stcb->asoc.total_flight_count--; \ 192 } else { \ 193 stcb->asoc.total_flight = 0; \ 194 stcb->asoc.total_flight_count = 0; \ 195 } \ 196 } while (0) 197 198 #define sctp_total_flight_increase(stcb, tp1) do { \ 199 (stcb)->asoc.total_flight_count++; \ 200 (stcb)->asoc.total_flight += (tp1)->book_size; \ 201 } while (0) 202 203 204 struct sctp_nets; 205 struct sctp_inpcb; 206 struct sctp_tcb; 207 struct sctphdr; 208 209 void* sctp_ctlinput(int, const struct sockaddr *, void *); 210 int sctp_ctloutput(int, struct socket *, struct sockopt *); 211 void sctp_input(struct mbuf *, ... ); 212 void sctp_drain(void); 213 void sctp_init(void); 214 int sctp_shutdown(struct socket *); 215 void sctp_notify(struct sctp_inpcb *, int, struct sctphdr *, 216 struct sockaddr *, struct sctp_tcb *, 217 struct sctp_nets *); 218 int sctp_rcvd(struct socket *, int, struct lwp *); 219 int sctp_send(struct socket *, struct mbuf *, struct sockaddr *, 220 struct mbuf *, struct lwp *); 221 222 #if defined(INET6) 223 void ip_2_ip6_hdr(struct ip6_hdr *, struct ip *); 224 #endif 225 226 int sctp_bindx(struct socket *, int, struct sockaddr_storage *, 227 int, int, struct lwp *); 228 229 /* can't use sctp_assoc_t here */ 230 int sctp_peeloff(struct socket *, struct socket *, int, vaddr_t, int *); 231 232 233 sctp_assoc_t sctp_getassocid(struct sockaddr *); 234 int sctp_sockaddr(struct socket *, struct sockaddr *); 235 int sctp_peeraddr(struct socket *, struct sockaddr *); 236 int sctp_listen(struct socket *, struct lwp *); 237 int sctp_accept(struct socket *, struct sockaddr *); 238 239 int sctp_sysctl(int *, u_int, void *, size_t *, void *, size_t); 240 241 #endif /* _KERNEL */ 242 243 #endif /* !_NETINET_SCTP_VAR_H_ */ 244
Indexes created Sat Sep 20 22:09:52 GMT 2025