Annotation of sys/netnatm/natm.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: natm.h,v 1.6 2002/03/14 01:27:12 millert Exp $ */
! 2:
! 3: /*
! 4: *
! 5: * Copyright (c) 1996 Charles D. Cranor and Washington University.
! 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 Charles D. Cranor and
! 19: * Washington University.
! 20: * 4. The name of the author may not be used to endorse or promote products
! 21: * derived from this software without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 26: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 27: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 28: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 29: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 30: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 31: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 32: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 33: */
! 34:
! 35: /*
! 36: * natm.h: native mode atm
! 37: */
! 38:
! 39:
! 40: /*
! 41: * supported protocols
! 42: */
! 43:
! 44: #define PROTO_NATMAAL0 1
! 45: #define PROTO_NATMAAL5 2
! 46:
! 47: /*
! 48: * sockaddr_natm
! 49: */
! 50:
! 51: struct sockaddr_natm {
! 52: u_int8_t snatm_len; /* length */
! 53: u_int8_t snatm_family; /* AF_NATM */
! 54: char snatm_if[IFNAMSIZ]; /* interface name */
! 55: u_int16_t snatm_vci; /* vci */
! 56: u_int8_t snatm_vpi; /* vpi */
! 57: };
! 58:
! 59:
! 60: #if defined(__FreeBSD__) && defined(KERNEL)
! 61:
! 62: #ifndef _KERNEL
! 63: #define _KERNEL
! 64: #endif
! 65:
! 66: #define SPLSOFTNET() splnet()
! 67:
! 68: #elif defined(__NetBSD__) || defined(__OpenBSD__)
! 69:
! 70: #define SPLSOFTNET() splsoftnet()
! 71:
! 72: #endif
! 73:
! 74: #ifdef _KERNEL
! 75:
! 76: /*
! 77: * natm protocol control block
! 78: */
! 79:
! 80: struct natmpcb {
! 81: LIST_ENTRY(natmpcb) pcblist; /* list pointers */
! 82: u_int npcb_inq; /* # of our pkts in proto q */
! 83: struct socket *npcb_socket; /* backpointer to socket */
! 84: struct ifnet *npcb_ifp; /* pointer to hardware */
! 85: struct in_addr ipaddr; /* remote IP address, if NPCB_IP */
! 86: u_int16_t npcb_vci; /* VCI */
! 87: u_int8_t npcb_vpi; /* VPI */
! 88: u_int8_t npcb_flags; /* flags */
! 89: };
! 90:
! 91: /* flags */
! 92: #define NPCB_FREE 0x01 /* free (not on any list) */
! 93: #define NPCB_CONNECTED 0x02 /* connected */
! 94: #define NPCB_IP 0x04 /* used by IP */
! 95: #define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */
! 96: #define NPCB_RAW 0x10 /* in 'raw' mode? */
! 97:
! 98: /* flag arg to npcb_free */
! 99: #define NPCB_REMOVE 0 /* remove from global list */
! 100: #define NPCB_DESTROY 1 /* destroy and be free */
! 101:
! 102: /*
! 103: * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it
! 104: * is used to override the sbspace() macro when you *really* don't want
! 105: * to drop rcv data. the recv socket buffer size is raised to this value.
! 106: *
! 107: * XXX: socket buffering needs to be looked at.
! 108: */
! 109:
! 110: #define NPCB_RAWCC (1024*1024) /* 1MB */
! 111:
! 112: LIST_HEAD(npcblist, natmpcb);
! 113:
! 114: /* global data structures */
! 115:
! 116: struct npcblist natm_pcbs; /* global list of pcbs */
! 117: extern struct ifqueue natmintrq; /* natm packet input queue */
! 118: #define NATM_STAT
! 119: #ifdef NATM_STAT
! 120: extern u_int natm_sodropcnt,
! 121: natm_sodropbytes; /* account of droppage */
! 122: extern u_int natm_sookcnt,
! 123: natm_sookbytes; /* account of ok */
! 124: #endif
! 125:
! 126: /* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */
! 127: struct atm_rawioctl {
! 128: struct natmpcb *npcb;
! 129: int rawvalue;
! 130: };
! 131: #define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl)
! 132:
! 133: /* external functions */
! 134:
! 135: /* natm_pcb.c */
! 136: struct natmpcb *npcb_alloc(int);
! 137: void npcb_free(struct natmpcb *, int);
! 138: struct natmpcb *npcb_add(struct natmpcb *, struct ifnet *, int, int);
! 139:
! 140: /* natm.c */
! 141: #if defined(__NetBSD__)
! 142: int natm_usrreq(struct socket *, int, struct mbuf *,
! 143: struct mbuf *, struct mbuf *, struct proc *);
! 144: #elif defined(__OpenBSD__) || defined(FreeBSD)
! 145: int natm_usrreq(struct socket *, int, struct mbuf *,
! 146: struct mbuf *, struct mbuf *);
! 147: #endif
! 148: int natm0_sysctl(int *, u_int, void *, size_t *, void *, size_t);
! 149: int natm5_sysctl(int *, u_int, void *, size_t *, void *, size_t);
! 150: void natmintr(void);
! 151:
! 152: #endif
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