natm.h revision 60833
1/* $NetBSD: natm.h,v 1.1 1996/07/04 03:20:12 chuck Exp $ */ 2/* $FreeBSD: head/sys/netnatm/natm.h 60833 2000-05-23 20:41:01Z jake $ */ 3 4/* 5 * 6 * Copyright (c) 1996 Charles D. Cranor and Washington University. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Charles D. Cranor and 20 * Washington University. 21 * 4. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36/* 37 * natm.h: native mode atm 38 */ 39 40 41/* 42 * supported protocols 43 */ 44 45#define PROTO_NATMAAL0 1 46#define PROTO_NATMAAL5 2 47 48/* 49 * sockaddr_natm 50 */ 51 52struct sockaddr_natm { 53 u_int8_t snatm_len; /* length */ 54 u_int8_t snatm_family; /* AF_NATM */ 55 char snatm_if[IFNAMSIZ]; /* interface name */ 56 u_int16_t snatm_vci; /* vci */ 57 u_int8_t snatm_vpi; /* vpi */ 58}; 59 60 61#if defined(__FreeBSD__) && defined(_KERNEL) 62 63#define SPLSOFTNET() splnet() 64 65#elif defined(__NetBSD__) || defined(__OpenBSD__) 66 67#define SPLSOFTNET() splsoftnet() 68 69#endif 70 71#ifdef _KERNEL 72 73/* 74 * natm protocol control block 75 */ 76 77struct natmpcb { 78 LIST_ENTRY(struct natmpcb) pcblist; /* list pointers */ 79 u_int npcb_inq; /* # of our pkts in proto q */ 80 struct socket *npcb_socket; /* backpointer to socket */ 81 struct ifnet *npcb_ifp; /* pointer to hardware */ 82 struct in_addr ipaddr; /* remote IP address, if APCB_IP */ 83 u_int16_t npcb_vci; /* VCI */ 84 u_int8_t npcb_vpi; /* VPI */ 85 u_int8_t npcb_flags; /* flags */ 86}; 87 88/* flags */ 89#define NPCB_FREE 0x01 /* free (not on any list) */ 90#define NPCB_CONNECTED 0x02 /* connected */ 91#define NPCB_IP 0x04 /* used by IP */ 92#define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */ 93#define NPCB_RAW 0x10 /* in 'raw' mode? */ 94 95/* flag arg to npcb_free */ 96#define NPCB_REMOVE 0 /* remove from global list */ 97#define NPCB_DESTROY 1 /* destroy and be free */ 98 99/* 100 * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it 101 * is used to override the sbspace() macro when you *really* don't want 102 * to drop rcv data. the recv socket buffer size is raised to this value. 103 * 104 * XXX: socket buffering needs to be looked at. 105 */ 106 107#define NPCB_RAWCC (1024*1024) /* 1MB */ 108 109LIST_HEAD(npcblist, struct natmpcb); 110 111/* global data structures */ 112 113extern struct npcblist natm_pcbs; /* global list of pcbs */ 114extern struct ifqueue natmintrq; /* natm packet input queue */ 115#define NATM_STAT 116#ifdef NATM_STAT 117extern u_int natm_sodropcnt, 118 natm_sodropbytes; /* account of droppage */ 119extern u_int natm_sookcnt, 120 natm_sookbytes; /* account of ok */ 121#endif 122 123/* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */ 124struct atm_rawioctl { 125 struct natmpcb *npcb; 126 int rawvalue; 127}; 128#define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl) 129 130/* external functions */ 131 132/* natm_pcb.c */ 133struct natmpcb *npcb_alloc __P((int)); 134void npcb_free __P((struct natmpcb *, int)); 135struct natmpcb *npcb_add __P((struct natmpcb *, struct ifnet *, int, int)); 136 137/* natm.c */ 138#if defined(__NetBSD__) || defined(__OpenBSD__) 139int natm_usrreq __P((struct socket *, int, struct mbuf *, 140 struct mbuf *, struct mbuf *, struct proc *)); 141#elif defined(__FreeBSD__) 142#if __FreeBSD__ > 2 143/* 144 * FreeBSD new usrreqs style appeared since 2.2. compatibility to old style 145 * has gone since 3.0. 146 */ 147#define FREEBSD_USRREQS 148extern struct pr_usrreqs natm_usrreqs; 149#else /* !( __FreeBSD__ > 2) */ 150int natm_usrreq __P((struct socket *, int, struct mbuf *, 151 struct mbuf *, struct mbuf *)); 152#endif /* !( __FreeBSD__ > 2) */ 153#endif 154int natm0_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 155int natm5_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 156void natmintr __P((void)); 157 158#endif 159