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BSD 4_3_Net_2 release
[unix-history] / usr / src / sys / netiso / tp_pcb.c
diff --git a/usr/src/sys/netiso/tp_pcb.c b/usr/src/sys/netiso/tp_pcb.c
index 5c823f4..6c9d309 100644 (file)
--- a/usr/src/sys/netiso/tp_pcb.c
+++ b/usr/src/sys/netiso/tp_pcb.c
@@ -1,5 +1,40 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * 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 the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *     @(#)tp_pcb.c    7.11 (Berkeley) 5/6/91
+ */
+
 /***********************************************************
 /***********************************************************
-               Copyright IBM Corporation 1987
+                               Copyright IBM Corporation 1987
 
                       All Rights Reserved
 
 
                       All Rights Reserved
 
@@ -43,11 +78,6 @@ SOFTWARE.
  *
  */
 
  *
  */
 
-#ifndef lint
-static char *rcsid = "$Header: tp_pcb.c,v 5.4 88/11/18 17:28:24 nhall Exp $";
-#endif lint
-
-#include "argoxtwentyfive.h"
 #include "types.h"
 #include "param.h"
 #include "mbuf.h"
 #include "types.h"
 #include "param.h"
 #include "mbuf.h"
@@ -68,9 +98,6 @@ static char *rcsid = "$Header: tp_pcb.c,v 5.4 88/11/18 17:28:24 nhall Exp $";
 #include "tp_seq.h"
 #include "tp_clnp.h"
 
 #include "tp_seq.h"
 #include "tp_clnp.h"
 
-/* list of reference structures */
-struct tp_ref tp_ref[N_TPREF];
-
 struct tp_param tp_param = {
        1,                              /*  configured          */
 };
 struct tp_param tp_param = {
        1,                              /*  configured          */
 };
@@ -113,7 +140,7 @@ struct tp_conn_param tp_conn_param[] = {
                0,                                              /* 1 bit use net xpd */
                0,                                              /* 1 bit use rcc */
                0,                                              /* 1 bit use efc */
                0,                                              /* 1 bit use net xpd */
                0,                                              /* 1 bit use rcc */
                0,                                              /* 1 bit use efc */
-               0,                                              /* no disc indications */
+               1,                                              /* no disc indications */
                0,                                              /* don't change params */
                ISO_CLNS,                               /* p_netservice */
        },
                0,                                              /* don't change params */
                ISO_CLNS,                               /* p_netservice */
        },
@@ -148,7 +175,7 @@ struct tp_conn_param tp_conn_param[] = {
                0,                                              /* 1 bit use net xpd */
                0,                                              /* 1 bit use rcc */
                0,                                              /* 1 bit use efc */
                0,                                              /* 1 bit use net xpd */
                0,                                              /* 1 bit use rcc */
                0,                                              /* 1 bit use efc */
-               0,                                              /* no disc indications */
+               1,                                              /* no disc indications */
                0,                                              /* don't change params */
                IN_CLNS,                                /* p_netservice */
        },
                0,                                              /* don't change params */
                IN_CLNS,                                /* p_netservice */
        },
@@ -229,6 +256,7 @@ struct tp_conn_param tp_conn_param[] = {
 #ifdef INET
 int            in_putnetaddr();
 int            in_getnetaddr();
 #ifdef INET
 int            in_putnetaddr();
 int            in_getnetaddr();
+int            in_cmpnetaddr();
 int    in_putsufx(); 
 int    in_getsufx(); 
 int    in_recycle_tsuffix(); 
 int    in_putsufx(); 
 int    in_getsufx(); 
 int    in_recycle_tsuffix(); 
@@ -245,6 +273,7 @@ struct inpcb        tp_inpcb;
 #ifdef ISO
 int            iso_putnetaddr();
 int            iso_getnetaddr();
 #ifdef ISO
 int            iso_putnetaddr();
 int            iso_getnetaddr();
+int            iso_cmpnetaddr();
 int    iso_putsufx(); 
 int    iso_getsufx(); 
 int    iso_recycle_tsuffix(); 
 int    iso_putsufx(); 
 int    iso_getsufx(); 
 int    iso_recycle_tsuffix(); 
@@ -259,28 +288,28 @@ int       tpclnp_output_dg();
 int            iso_nlctloutput();
 struct isopcb  tp_isopcb;
 #endif ISO
 int            iso_nlctloutput();
 struct isopcb  tp_isopcb;
 #endif ISO
-#if NARGOXTWENTYFIVE > 0
+#ifdef TPCONS
 int            iso_putnetaddr();
 int            iso_getnetaddr();
 int            iso_putnetaddr();
 int            iso_getnetaddr();
+int            iso_cmpnetaddr();
 int    iso_putsufx(); 
 int    iso_getsufx(); 
 int    iso_recycle_tsuffix(); 
 int    iso_putsufx(); 
 int    iso_getsufx(); 
 int    iso_recycle_tsuffix(); 
-int            tpcons_mtu(); 
 int            iso_pcbbind(); 
 int            iso_pcbbind(); 
-int            iso_pcbconnect(); 
+int            tpcons_pcbconnect(); 
+int            tpclnp_mtu();
 int            iso_pcbdisconnect(); 
 int    iso_pcbdetach(); 
 int    iso_pcballoc(); 
 int    tpcons_output(); 
 int            iso_pcbdisconnect(); 
 int    iso_pcbdetach(); 
 int    iso_pcballoc(); 
 int    tpcons_output(); 
-int    tpcons_output_dg(); 
 struct isopcb  tp_isopcb;
 struct isopcb  tp_isopcb;
-#endif NARGOXTWENTYFIVE
+#endif TPCONS
 
 
 struct nl_protosw nl_protosw[] = {
        /* ISO_CLNS */
 #ifdef ISO
 
 
 struct nl_protosw nl_protosw[] = {
        /* ISO_CLNS */
 #ifdef ISO
-       { AF_ISO, iso_putnetaddr, iso_getnetaddr,
+       { AF_ISO, iso_putnetaddr, iso_getnetaddr, iso_cmpnetaddr,
                iso_putsufx, iso_getsufx,
                iso_recycle_tsuffix,
                tpclnp_mtu, iso_pcbbind, iso_pcbconnect,
                iso_putsufx, iso_getsufx,
                iso_recycle_tsuffix,
                tpclnp_mtu, iso_pcbbind, iso_pcbconnect,
@@ -294,7 +323,7 @@ struct nl_protosw nl_protosw[] = {
 #endif ISO
        /* IN_CLNS */
 #ifdef INET
 #endif ISO
        /* IN_CLNS */
 #ifdef INET
-       { AF_INET, in_putnetaddr, in_getnetaddr,
+       { AF_INET, in_putnetaddr, in_getnetaddr, in_cmpnetaddr,
                in_putsufx, in_getsufx,
                in_recycle_tsuffix,
                tpip_mtu, in_pcbbind, in_pcbconnect,
                in_putsufx, in_getsufx,
                in_recycle_tsuffix,
                tpip_mtu, in_pcbbind, in_pcbconnect,
@@ -307,14 +336,14 @@ struct nl_protosw nl_protosw[] = {
        { 0 },
 #endif INET
        /* ISO_CONS */
        { 0 },
 #endif INET
        /* ISO_CONS */
-#if defined(ISO) && (NARGOXTWENTYFIVE > 0)
-       { AF_ISO, iso_putnetaddr, iso_getnetaddr,
+#if defined(ISO) && defined(TPCONS)
+       { AF_ISO, iso_putnetaddr, iso_getnetaddr, iso_cmpnetaddr,
                iso_putsufx, iso_getsufx,
                iso_recycle_tsuffix,
                iso_putsufx, iso_getsufx,
                iso_recycle_tsuffix,
-               tpcons_mtu, iso_pcbbind, iso_pcbconnect,
+               tpclnp_mtu, iso_pcbbind, tpcons_pcbconnect,
                iso_pcbdisconnect,      iso_pcbdetach,
                iso_pcballoc,
                iso_pcbdisconnect,      iso_pcbdetach,
                iso_pcballoc,
-               tpcons_output, tpcons_output_dg, iso_nlctloutput,
+               tpcons_output, tpcons_output, iso_nlctloutput,
                (caddr_t) &tp_isopcb,
                },
 #else
                (caddr_t) &tp_isopcb,
                },
 #else
@@ -354,6 +383,8 @@ tp_init()
        /* FOR ISO */
        tp_isopcb.isop_next = tp_isopcb.isop_prev = &tp_isopcb;
 
        /* FOR ISO */
        tp_isopcb.isop_next = tp_isopcb.isop_prev = &tp_isopcb;
 
+    tp_start_win = 2;
+
        tp_timerinit();
        bzero((caddr_t)&tp_stat, sizeof(struct tp_stat));
        return 0;
        tp_timerinit();
        bzero((caddr_t)&tp_stat, sizeof(struct tp_stat));
        return 0;
@@ -383,16 +414,8 @@ void
 tp_soisdisconnecting(so)
        register struct socket *so;
 {
 tp_soisdisconnecting(so)
        register struct socket *so;
 {
-       so->so_state &= ~SS_ISCONNECTING;
-       so->so_state |= SS_ISDISCONNECTING;
-       if (so->so_head) {
-               if (!soqremque(so, 0) && !soqremque(so, 1))
-                       panic("tp_soisdisconnecting");
-               so->so_head = 0;
-       }
-       wakeup((caddr_t)&so->so_timeo);
-       sowwakeup(so);
-       sorwakeup(so);
+       soisdisconnecting(so);
+       so->so_state &= ~SS_CANTSENDMORE;
        IFPERF(sototpcb(so))
                register struct tp_pcb *tpcb = sototpcb(so);
                u_int   fsufx, lsufx;
        IFPERF(sototpcb(so))
                register struct tp_pcb *tpcb = sototpcb(so);
                u_int   fsufx, lsufx;
@@ -435,15 +458,8 @@ tp_soisdisconnected(tpcb)
 {
        register struct socket  *so = tpcb->tp_sock;
 
 {
        register struct socket  *so = tpcb->tp_sock;
 
-       so->so_state &= ~(SS_ISCONNECTING|SS_ISCONNECTED|SS_ISDISCONNECTING);
-       if (so->so_head) {
-               if (!soqremque(so, 0) && !soqremque(so, 1))
-                       panic("tp_soisdisconnected");
-               so->so_head = 0;
-       }
-       wakeup((caddr_t)&so->so_timeo);
-       sowwakeup(so);
-       sorwakeup(so);
+       soisdisconnecting(so);
+       so->so_state &= ~SS_CANTSENDMORE;
        IFPERF(sototpcb(so))
                register struct tp_pcb *ttpcb = sototpcb(so);
                u_int   fsufx, lsufx;
        IFPERF(sototpcb(so))
                register struct tp_pcb *ttpcb = sototpcb(so);
                u_int   fsufx, lsufx;
@@ -535,18 +551,13 @@ static RefNum
 tp_getref(tpcb) 
        register struct tp_pcb *tpcb;
 {
 tp_getref(tpcb) 
        register struct tp_pcb *tpcb;
 {
-       register struct tp_ref  *r = tp_ref; 
+       register struct tp_ref  *r = tp_ref; /* tp_ref[0] is never used */
        register int                    i=1;
 
        register int                    i=1;
 
-       r++; /* tp_ref[0] is never used */
 
 
-       /* REF_FREE is zero */
-       while( r->tpr_state ) {
-               r++; 
-               if ( i == N_TPREF ) {
+       while ((++r)->tpr_state != REF_FREE) {
+               if (++i == N_TPREF)
                        return TP_ENOREF;
                        return TP_ENOREF;
-               }
-               i++;
        }
        r->tpr_state = REF_OPENING;
        if (tp_maxrefopen < i) 
        }
        r->tpr_state = REF_OPENING;
        if (tp_maxrefopen < i) 
@@ -711,7 +722,6 @@ bad2:
        ENDDEBUG
        so->so_pcb = 0;
        so->so_tpcb = 0;
        ENDDEBUG
        so->so_pcb = 0;
        so->so_tpcb = 0;
-       sofree(so);
 
 /*bad:*/
        IFDEBUG(D_CONN)
 
 /*bad:*/
        IFDEBUG(D_CONN)
@@ -756,7 +766,7 @@ tp_detach(tpcb)
        ENDDEBUG
        IFTRACE(D_CONN)
                tptraceTPCB(TPPTmisc, "tp_detach tpcb so lsufx", 
        ENDDEBUG
        IFTRACE(D_CONN)
                tptraceTPCB(TPPTmisc, "tp_detach tpcb so lsufx", 
-                       tpcb, so, *(int *)(tpcb->tp_lsuffix), 0);
+                       tpcb, so, *(u_short *)(tpcb->tp_lsuffix), 0);
        ENDTRACE
 
        if (so->so_head) {
        ENDTRACE
 
        if (so->so_head) {
@@ -786,6 +796,20 @@ tp_detach(tpcb)
 
 #undef FREE_RTC_LIST
 
 
 #undef FREE_RTC_LIST
 
+       IFDEBUG(D_CONN)
+               printf("so_snd at 0x%x so_rcv at 0x%x\n", &so->so_snd, &so->so_rcv);
+               dump_mbuf(so->so_snd.sb_mb, "so_snd at detach ");
+               printf("about to call LL detach, nlproto 0x%x, nl_detach 0x%x\n",
+                               tpcb->tp_nlproto, tpcb->tp_nlproto->nlp_pcbdetach);
+       ENDDEBUG
+
+       if (so->so_snd.sb_cc != 0)
+               sbflush(&so->so_snd);
+       if (tpcb->tp_Xrcv.sb_cc != 0)
+               sbdrop(&tpcb->tp_Xrcv, (int)tpcb->tp_Xrcv.sb_cc);
+       if (tpcb->tp_ucddata)
+               m_freem(tpcb->tp_ucddata);
+
        IFDEBUG(D_CONN)
                printf("calling (...nlproto->...)(0x%x, so 0x%x)\n", 
                        so->so_pcb, so);
        IFDEBUG(D_CONN)
                printf("calling (...nlproto->...)(0x%x, so 0x%x)\n", 
                        so->so_pcb, so);
@@ -794,41 +818,8 @@ tp_detach(tpcb)
                so->so_q0len, so->so_qlen, so->so_qlimit);
        ENDDEBUG
 
                so->so_q0len, so->so_qlen, so->so_qlimit);
        ENDDEBUG
 
-       if ( tpcb->tp_flags & (TPF_DISC_DATA_OUT | TPF_CONN_DATA_OUT ) )  {
-               ASSERT( so->so_snd.sb_cc != 0 );
-               IFDEBUG(D_CONN)
-                       printf(
-                       "detach, flags 0x%x doing sbdrop on so_snd, mb 0x%x cc 0x%x\n", 
-                               tpcb->tp_flags, so->so_snd.sb_mb, so->so_snd.sb_cc);
-                       dump_mbuf( so->so_snd.sb_mb, "detach so snd: \n");
-               ENDDEBUG
-               if ( so->so_snd.sb_cc != 0 )
-                       sbflush(&so->so_snd);
-               tpcb->tp_flags &= ~(TPF_CONN_DATA_OUT | TPF_DISC_DATA_OUT); 
-       }
-       if ( tpcb->tp_flags & (TPF_DISC_DATA_IN | TPF_CONN_DATA_IN ) ) {
-               ASSERT( tpcb->tp_Xrcv.sb_cc != 0 );
-               IFDEBUG(D_CONN)
-                       printf(
-                       "detach, flags 0x%x doing sbdrop on tp_Xrcv, mb 0x%x cc 0x%x\n", 
-                               tpcb->tp_flags, tpcb->tp_Xrcv.sb_mb, tpcb->tp_Xrcv.sb_cc);
-                       dump_mbuf( tpcb->tp_Xrcv.sb_mb, "detach Xrcv: \n");
-               ENDDEBUG
-               if( tpcb->tp_Xrcv.sb_cc != 0 )
-                       sbdrop(&tpcb->tp_Xrcv, (int)tpcb->tp_Xrcv.sb_cc);
-               tpcb->tp_flags &= ~(TPF_CONN_DATA_IN | TPF_DISC_DATA_IN); 
-       }
-
-       IFDEBUG(D_CONN)
-               printf("so_snd at 0x%x so_rcv at 0x%x\n", &so->so_snd, &so->so_rcv);
-               dump_mbuf(so->so_snd.sb_mb, "so_snd at detach ");
-               printf("about to call LL detach, nlproto 0x%x, nl_detach 0x%x\n",
-                               tpcb->tp_nlproto, tpcb->tp_nlproto->nlp_pcbdetach);
-       ENDDEBUG
 
 
-               
-               
-       (tpcb->tp_nlproto->nlp_pcbdetach)((struct inpcb *)so->so_pcb);
+       (tpcb->tp_nlproto->nlp_pcbdetach)(so->so_pcb);
                                /* does an sofree(so) */
 
        IFDEBUG(D_CONN)
                                /* does an sofree(so) */
 
        IFDEBUG(D_CONN)
@@ -859,7 +850,7 @@ tp_detach(tpcb)
         * of code, not the IFPERFs)
         */
 #ifdef TP_PERF_MEAS
         * of code, not the IFPERFs)
         */
 #ifdef TP_PERF_MEAS
-       if(tpcb->tp_p_mbuf) {
+       if (tpcb->tp_p_mbuf) {
                register struct mbuf *m = tpcb->tp_p_mbuf;
                struct mbuf *n;
                IFDEBUG(D_PERF_MEAS)
                register struct mbuf *m = tpcb->tp_p_mbuf;
                struct mbuf *n;
                IFDEBUG(D_PERF_MEAS)
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.