sys/netinet/sctp_var.h

   1 /*      $KAME: sctp_var.h,v 1.23 2004/10/27 07:57:49 itojun Exp $       */
   2 /*      $DragonFly: src/sys/netinet/sctp_var.h,v 1.4 2007/04/22 01:13:14 dillon 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 #ifndef __OpenBSD__
  40 #include <sys/socketvar.h>
  41 #endif
  42 #include <netinet/sctp_uio.h>
  43
  44 /* SCTP Kernel structures */
  45
  46 /*
  47  * Names for SCTP sysctl objects
  48  */
  49 #ifndef __APPLE__
  50 #define SCTPCTL_MAXDGRAM            1   /* max datagram size */
  51 #define SCTPCTL_RECVSPACE           2   /* default receive buffer space */
  52 #define SCTPCTL_AUTOASCONF          3   /* auto asconf enable/disable flag */
  53 #define SCTPCTL_ECN_ENABLE          4   /* Is ecn allowed */
  54 #define SCTPCTL_ECN_NONCE           5   /* Is ecn nonce allowed */
  55 #define SCTPCTL_STRICT_SACK         6   /* strictly require sack'd TSN's to be
  56                                          * smaller than sndnxt.
  57                                          */
  58 #define SCTPCTL_NOCSUM_LO           7   /* Require that the Loopback NOT have
  59                                          * the crc32 checksum on packets routed over
  60                                          * it.
  61                                          */
  62 #define SCTPCTL_STRICT_INIT         8
  63 #define SCTPCTL_PEER_CHK_OH         9
  64 #define SCTPCTL_MAXBURST            10
  65 #define SCTPCTL_MAXCHUNKONQ         11
  66 #define SCTPCTL_DELAYED_SACK        12
  67 #define SCTPCTL_HB_INTERVAL         13
  68 #define SCTPCTL_PMTU_RAISE          14
  69 #define SCTPCTL_SHUTDOWN_GUARD      15
  70 #define SCTPCTL_SECRET_LIFETIME     16
  71 #define SCTPCTL_RTO_MAX             17
  72 #define SCTPCTL_RTO_MIN             18
  73 #define SCTPCTL_RTO_INITIAL         19
  74 #define SCTPCTL_INIT_RTO_MAX        20
  75 #define SCTPCTL_COOKIE_LIFE         21
  76 #define SCTPCTL_INIT_RTX_MAX        22
  77 #define SCTPCTL_ASSOC_RTX_MAX       23
  78 #define SCTPCTL_PATH_RTX_MAX        24
  79 #define SCTPCTL_NR_OUTGOING_STREAMS 25
  80 #ifdef SCTP_DEBUG
  81 #define SCTPCTL_DEBUG               26
  82 #define SCTPCTL_MAXID               27
  83 #else
  84 #define SCTPCTL_MAXID               26
  85 #endif
  86
  87 #endif
  88
  89 #ifdef SCTP_DEBUG
  90 #define SCTPCTL_NAMES { \
  91         { 0, 0 }, \
  92         { "maxdgram", CTLTYPE_INT }, \
  93         { "recvspace", CTLTYPE_INT }, \
  94         { "autoasconf", CTLTYPE_INT }, \
  95         { "ecn_enable", CTLTYPE_INT }, \
  96         { "ecn_nonce", CTLTYPE_INT }, \
  97         { "strict_sack", CTLTYPE_INT }, \
  98         { "looback_nocsum", CTLTYPE_INT }, \
  99         { "strict_init", CTLTYPE_INT }, \
 100         { "peer_chkoh", CTLTYPE_INT }, \
 101         { "maxburst", CTLTYPE_INT }, \
 102         { "maxchunks", CTLTYPE_INT }, \
 103         { "delayed_sack_time", CTLTYPE_INT }, \
 104         { "heartbeat_interval", CTLTYPE_INT }, \
 105         { "pmtu_raise_time", CTLTYPE_INT }, \
 106         { "shutdown_guard_time", CTLTYPE_INT }, \
 107         { "secret_lifetime", CTLTYPE_INT }, \
 108         { "rto_max", CTLTYPE_INT }, \
 109         { "rto_min", CTLTYPE_INT }, \
 110         { "rto_initial", CTLTYPE_INT }, \
 111         { "init_rto_max", CTLTYPE_INT }, \
 112         { "valid_cookie_life", CTLTYPE_INT }, \
 113         { "init_rtx_max", CTLTYPE_INT }, \
 114         { "assoc_rtx_max", CTLTYPE_INT }, \
 115         { "path_rtx_max", CTLTYPE_INT }, \
 116         { "nr_outgoing_streams", CTLTYPE_INT }, \
 117         { "debug", CTLTYPE_INT }, \
 118 }
 119 #else
 120 #define SCTPCTL_NAMES { \
 121         { 0, 0 }, \
 122         { "maxdgram", CTLTYPE_INT }, \
 123         { "recvspace", CTLTYPE_INT }, \
 124         { "autoasconf", CTLTYPE_INT }, \
 125         { "ecn_enable", CTLTYPE_INT }, \
 126         { "ecn_nonce", CTLTYPE_INT }, \
 127         { "strict_sack", CTLTYPE_INT }, \
 128         { "looback_nocsum", CTLTYPE_INT }, \
 129         { "strict_init", CTLTYPE_INT }, \
 130         { "peer_chkoh", CTLTYPE_INT }, \
 131         { "maxburst", CTLTYPE_INT }, \
 132         { "maxchunks", CTLTYPE_INT }, \
 133         { "delayed_sack_time", CTLTYPE_INT }, \
 134         { "heartbeat_interval", CTLTYPE_INT }, \
 135         { "pmtu_raise_time", CTLTYPE_INT }, \
 136         { "shutdown_guard_time", CTLTYPE_INT }, \
 137         { "secret_lifetime", CTLTYPE_INT }, \
 138         { "rto_max", CTLTYPE_INT }, \
 139         { "rto_min", CTLTYPE_INT }, \
 140         { "rto_initial", CTLTYPE_INT }, \
 141         { "init_rto_max", CTLTYPE_INT }, \
 142         { "valid_cookie_life", CTLTYPE_INT }, \
 143         { "init_rtx_max", CTLTYPE_INT }, \
 144         { "assoc_rtx_max", CTLTYPE_INT }, \
 145         { "path_rtx_max", CTLTYPE_INT }, \
 146         { "nr_outgoing_streams", CTLTYPE_INT }, \
 147 }
 148 #endif
 149
 150 #if defined(_KERNEL) || (defined(__APPLE__) && defined(KERNEL))
 151
 152 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
 153 #ifdef SYSCTL_DECL
 154 SYSCTL_DECL(_net_inet_sctp);
 155 #endif
 156 extern struct   pr_usrreqs sctp_usrreqs;
 157 #elif defined(__NetBSD__)
 158 int sctp_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
 159                       struct mbuf *, struct proc *);
 160 #else
 161 int sctp_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
 162                       struct mbuf *);
 163 #endif
 164
 165 #define sctp_sbspace(ssb) ((long) (((ssb)->ssb_hiwat > (ssb)->ssb_cc) ? ((ssb)->ssb_hiwat - (ssb)->ssb_cc) : 0))
 166
 167 #define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
 168
 169 extern int      sctp_sendspace;
 170 extern int      sctp_recvspace;
 171 extern int      sctp_ecn;
 172 extern int      sctp_ecn_nonce;
 173
 174 struct sctp_nets;
 175 struct sctp_inpcb;
 176 struct sctp_tcb;
 177 struct sctphdr;
 178
 179 #if defined(__OpenBSD__)
 180 void sctp_fasttim(void);
 181 #endif
 182
 183 #if defined(__FreeBSD__) || defined(__APPLE__)
 184 void    sctp_ctlinput(int, struct sockaddr *, void *);
 185 int     sctp_ctloutput(struct socket *, struct sockopt *);
 186 void    sctp_input(struct mbuf *, int);
 187 #elif defined(__DragonFly__)
 188 void    sctp_ctlinput(int, struct sockaddr *, void *);
 189 int     sctp_ctloutput(struct socket *, struct sockopt *);
 190 void    sctp_input(struct mbuf *, ... );
 191 #else
 192 void*   sctp_ctlinput(int, struct sockaddr *, void *);
 193 int     sctp_ctloutput(int, struct socket *, int, int, struct mbuf **);
 194 void    sctp_input(struct mbuf *, ... );
 195 #endif
 196 void    sctp_drain(void);
 197 void    sctp_init(void);
 198 int     sctp_shutdown(struct socket *);
 199 void    sctp_notify(struct sctp_inpcb *, int, struct sctphdr *,
 200                     struct sockaddr *, struct sctp_tcb *,
 201                     struct sctp_nets *);
 202 int sctp_usr_recvd(struct socket *, int);
 203
 204 #if defined(INET6)
 205 void ip_2_ip6_hdr(struct ip6_hdr *, struct ip *);
 206 #endif
 207
 208 int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
 209         int, int, struct proc *);
 210
 211 /* can't use sctp_assoc_t here */
 212 int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
 213
 214
 215 sctp_assoc_t sctp_getassocid(struct sockaddr *);
 216
 217
 218
 219 int sctp_ingetaddr(struct socket *,
 220 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
 221                    struct sockaddr **
 222 #else
 223                    struct mbuf *
 224 #endif
 225 );
 226
 227 int sctp_peeraddr(struct socket *,
 228 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
 229                   struct sockaddr **
 230 #else
 231                   struct mbuf *
 232 #endif
 233 );
 234
 235 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
 236 int sctp_listen(struct socket *, struct thread *);
 237 #else
 238 int sctp_listen(struct socket *, struct proc *);
 239 #endif
 240
 241 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
 242 int sctp_accept(struct socket *, struct sockaddr **);
 243 #else
 244 int sctp_accept(struct socket *, struct mbuf *);
 245 #endif
 246
 247 #if defined(__NetBSD__) || defined(__OpenBSD__)
 248 int sctp_sysctl(int *, u_int, void *, size_t *, void *, size_t);
 249 #endif
 250
 251 /*
 252  * compatibility defines for OpenBSD, Apple
 253  */
 254
 255 /* map callout into timeout for OpenBSD */
 256 #ifdef __OpenBSD__
 257 #ifndef callout_init
 258 #define callout_init(args)
 259 #define callout_reset(c, ticks, func, arg) \
 260 do { \
 261         timeout_set((c), (func), (arg)); \
 262         timeout_add((c), (ticks)); \
 263 } while (0)
 264 #define callout_stop(c) timeout_del(c)
 265 #define callout_pending(c) timeout_pending(c)
 266 #define callout_active(c) timeout_initialized(c)
 267 #endif
 268 #endif
 269
 270 /* XXX: Hopefully temporary until APPLE changes to newer defs like other BSDs */
 271 #if defined(__APPLE__)
 272 #define if_addrlist     if_addrhead
 273 #define if_list         if_link
 274 #define ifa_list        ifa_link
 275 #endif /* __APPLE__ **/
 276
 277 #endif /* _KERNEL */
 278
 279 #endif /* !_NETINET_SCTP_VAR_H_ */