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Diffstat (limited to 'sys/netnatm/natm.h')
| -rw-r--r-- | sys/netnatm/natm.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/sys/netnatm/natm.h b/sys/netnatm/natm.h new file mode 100644 index 00000000000..143d1623cc4 --- /dev/null +++ b/sys/netnatm/natm.h @@ -0,0 +1,133 @@ +/* $OpenBSD: natm.h,v 1.1 1996/06/30 21:40:14 chuck Exp $ */ + +/* + * + * Copyright (c) 1996 Charles D. Cranor and Washington University. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles D. Cranor and + * Washington University. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * natm.h: native mode atm + */ + + +/* + * supported protocols + */ + +#define PROTO_NATMAAL0 1 +#define PROTO_NATMAAL5 2 + +/* + * sockaddr_natm + */ + +struct sockaddr_natm { + u_int8_t snatm_len; /* length */ + u_int8_t snatm_family; /* AF_NATM */ + char snatm_if[IFNAMSIZ]; /* interface name */ + u_int16_t snatm_vci; /* vci */ + u_int8_t snatm_vpi; /* vpi */ +}; + + +#ifdef _KERNEL + +/* + * natm protocol control block + */ + +struct natmpcb { + LIST_ENTRY(natmpcb) pcblist; /* list pointers */ + u_int npcb_inq; /* # of our pkts in proto q */ + struct socket *npcb_socket; /* backpointer to socket */ + struct ifnet *npcb_ifp; /* pointer to hardware */ + struct in_addr ipaddr; /* remote IP address, if APCB_IP */ + u_int16_t npcb_vci; /* VCI */ + u_int8_t npcb_vpi; /* VPI */ + u_int8_t npcb_flags; /* flags */ +}; + +/* flags */ +#define NPCB_FREE 0x01 /* free (not on any list) */ +#define NPCB_CONNECTED 0x02 /* connected */ +#define NPCB_IP 0x04 /* used by IP */ +#define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */ +#define NPCB_RAW 0x10 /* in 'raw' mode? */ + +/* flag arg to npcb_free */ +#define NPCB_REMOVE 0 /* remove from global list */ +#define NPCB_DESTROY 1 /* destroy and be free */ + +/* + * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it + * is used to override the sbspace() macro when you *really* don't want + * to drop rcv data. the recv socket buffer size is raised to this value. + * + * XXX: socket buffering needs to be looked at. + */ + +#define NPCB_RAWCC (1024*1024) /* 1MB */ + +LIST_HEAD(npcblist, natmpcb); + +/* global data structures */ + +struct npcblist natm_pcbs; /* global list of pcbs */ +extern struct ifqueue natmintrq; /* natm packet input queue */ +#define NATM_STAT +#ifdef NATM_STAT +extern u_int natm_sodropcnt, + natm_sodropbytes; /* account of droppage */ +extern u_int natm_sookcnt, + natm_sookbytes; /* account of ok */ +#endif + +/* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */ +struct atm_rawioctl { + struct natmpcb *npcb; + int rawvalue; +}; +#define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl) + +/* external functions */ + +/* natm_pcb.c */ +struct natmpcb *npcb_alloc __P((int)); +void npcb_free __P((struct natmpcb *, int)); +struct natmpcb *npcb_add __P((struct natmpcb *, struct ifnet *, int, int)); + +/* natm.c */ +int natm_usrreq __P((struct socket *, int, struct mbuf *, + struct mbuf *, struct mbuf *, struct proc *)); +int natm0_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); +int natm5_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); +void natmintr __P((void)); + +#endif |