Return to natm_proto.c CVS log

Up to [local] / sys / netnatm

Annotation of sys/netnatm/natm_proto.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: natm_proto.c,v 1.4 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:  * protocol layer for access to native mode ATM
                     37:  */
                     38:
                     39: #include <sys/param.h>
                     40: #include <sys/systm.h>
                     41: #include <sys/kernel.h>
                     42: #include <sys/queue.h>
                     43: #include <sys/socket.h>
                     44: #include <sys/protosw.h>
                     45: #include <sys/domain.h>
                     46: #include <sys/mbuf.h>
                     47:
                     48: #include <net/if.h>
                     49: #include <net/radix.h>
                     50: #include <net/route.h>
                     51:
                     52: #include <netinet/in.h>
                     53:
                     54: #include <netnatm/natm.h>
                     55:
                     56: extern struct domain natmdomain;
                     57:
                     58: static void natm_init(void);
                     59:
                     60: struct protosw natmsw[] = {
                     61: { SOCK_STREAM, &natmdomain,    PROTO_NATMAAL5, PR_CONNREQUIRED,
                     62:   0,   0,      0,      0,
                     63:   natm_usrreq,
                     64:   0,   0,      0,      0,
                     65: #if defined(__NetBSD__) || defined(__OpenBSD__)
                     66:        natm5_sysctl
                     67: #endif
                     68: },
                     69: { SOCK_DGRAM,  &natmdomain,    PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC,
                     70:   0,   0,      0,      0,
                     71:   natm_usrreq,
                     72:   0,   0,      0,      0,
                     73: #if defined(__NetBSD__) || defined(__OpenBSD__)
                     74:        natm5_sysctl
                     75: #endif
                     76: },
                     77: { SOCK_STREAM, &natmdomain,    PROTO_NATMAAL0, PR_CONNREQUIRED,
                     78:   0,   0,      0,      0,
                     79:   natm_usrreq,
                     80:   0,   0,      0,      0,
                     81: #if defined(__NetBSD__) || defined(__OpenBSD__)
                     82:        natm0_sysctl
                     83: #endif
                     84: },
                     85: };
                     86:
                     87: struct domain natmdomain =
                     88:     { AF_NATM, "natm", natm_init, 0, 0,
                     89:       natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
                     90:       0, 0, 0};
                     91:
                     92: struct ifqueue natmintrq;              /* natm packet input queue */
                     93: int    natmqmaxlen = IFQ_MAXLEN;       /* max # of packets on queue */
                     94: #ifdef NATM_STAT
                     95: u_int natm_sodropcnt = 0;              /* # mbufs dropped due to full sb */
                     96: u_int natm_sodropbytes = 0;            /* # of bytes dropped */
                     97: u_int natm_sookcnt = 0;                        /* # mbufs ok */
                     98: u_int natm_sookbytes = 0;              /* # of bytes ok */
                     99: #endif
                    100:
                    101:
                    102:
                    103: void natm_init()
                    104:
                    105: {
                    106:   LIST_INIT(&natm_pcbs);
                    107:   bzero(&natmintrq, sizeof(natmintrq));
                    108:   natmintrq.ifq_maxlen = natmqmaxlen;
                    109: }
                    110:
                    111: #if defined(__FreeBSD__)
                    112: DOMAIN_SET(natm);
                    113: #endif