move packetizing routine to tp_subr.c

[unix-history] / usr / src / sys / netiso / tp_usrreq.c

diff --git a/usr/src/sys/netiso/tp_usrreq.c b/usr/src/sys/netiso/tp_usrreq.c
index fa6fb88..242865b 100644 (file)
--- a/usr/src/sys/netiso/tp_usrreq.c
+++ b/usr/src/sys/netiso/tp_usrreq.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)tp_usrreq.c 7.20 (Berkeley) %G%
+ *     @(#)tp_usrreq.c 7.22 (Berkeley) %G%

  */
 
 /***********************************************************
  */
 
 /***********************************************************


@@ -405,18 +405,13 @@ tp_usrreq(so, req, m, nam, controlp)
                                        break;
                        if (*tt)
                                *tt = tpcb->tp_nextlisten;
                                        break;
                        if (*tt)
                                *tt = tpcb->tp_nextlisten;

-                       else {
-                               for (tt = &tp_intercepts; *tt; tt = &((*tt)->tp_nextlisten))
-                                       if (*tt == tpcb)
-                                               break;
-                               if (*tt)
-                                       *tt = tpcb->tp_nextlisten;
-                               else
-                                       printf("tp_usrreq - detach: should panic\n");
-                       }
+                       else
+                               printf("tp_usrreq - detach: should panic\n");

                }
                }

-               if (tpcb->tp_next)
+               if (tpcb->tp_next) {

                        remque(tpcb);
                        remque(tpcb);

+                       tpcb->tp_next = tpcb->tp_prev = 0;
+               }

                error = DoEvent(T_DETACH);
                if (tpcb->tp_state == TP_CLOSED) {
                        free((caddr_t)tpcb, M_PCB);
                error = DoEvent(T_DETACH);
                if (tpcb->tp_state == TP_CLOSED) {
                        free((caddr_t)tpcb, M_PCB);


@@ -440,9 +435,14 @@ tp_usrreq(so, req, m, nam, controlp)
                                tpcb->tp_next == 0)
                        error = EINVAL;
                else {
                                tpcb->tp_next == 0)
                        error = EINVAL;
                else {

+                       register struct tp_pcb **tt;

                        remque(tpcb);
                        remque(tpcb);

-                       tpcb->tp_nextlisten = tp_listeners;
-                       tpcb->tp_next = tpcb->tp_prev = tp_listeners = tpcb;
+                       tpcb->tp_next = tpcb->tp_prev = tpcb;
+                       for (tt = &tp_listeners; *tt; tt = &((*tt)->tp_nextlisten))
+                               if ((*tt)->tp_lsuffixlen)
+                                       break;
+                       tpcb->tp_nextlisten = *tt;
+                       *tt = tpcb;

                        error = DoEvent(T_LISTEN_req);
                }
                break;
                        error = DoEvent(T_LISTEN_req);
                }
                break;


@@ -606,19 +606,12 @@ tp_usrreq(so, req, m, nam, controlp)
                 * possibly by a whole cluster.
                 */
                {
                 * possibly by a whole cluster.
                 */
                {

-                       register struct mbuf *n = m;
-                       register struct sockbuf *sb = &so->so_snd;
-                       int     maxsize = tpcb->tp_l_tpdusize 
-                                   - tp_headersize(DT_TPDU_type, tpcb)
-                                   - (tpcb->tp_use_checksum?4:0) ;
-                       int totlen = n->m_pkthdr.len;
-                       int     mbufcnt = 0;
-                       struct mbuf *nn;
-

                        /*
                         * Could have eotsdu and no data.(presently MUST have
                         * an mbuf though, even if its length == 0) 
                         */
                        /*
                         * Could have eotsdu and no data.(presently MUST have
                         * an mbuf though, even if its length == 0) 
                         */

+                       int totlen = m->m_pkthdr.len;
+                       struct sockbuf *sb = &so->so_snd;

                        IFPERF(tpcb)
                           PStat(tpcb, Nb_from_sess) += totlen;
                           tpmeas(tpcb->tp_lref, TPtime_from_session, 0, 0, 
                        IFPERF(tpcb)
                           PStat(tpcb, Nb_from_sess) += totlen;
                           tpmeas(tpcb->tp_lref, TPtime_from_session, 0, 0, 


@@ -631,65 +624,9 @@ tp_usrreq(so, req, m, nam, controlp)
                                dump_mbuf(sb->sb_mb, "so_snd.sb_mb");
                                dump_mbuf(m, "m : to be added");
                        ENDDEBUG
                                dump_mbuf(sb->sb_mb, "so_snd.sb_mb");
                                dump_mbuf(m, "m : to be added");
                        ENDDEBUG

-                       /*
-                        * Pre-packetize the data in the sockbuf
-                        * according to negotiated mtu.  Do it here
-                        * where we can safely wait for mbufs.
-                        *
-                        * This presumes knowledge of sockbuf conventions.
-                        */
-                       if (n = sb->sb_mb)
-                               while (n->m_act)
-                                       n = n->m_act;
-                       if ((nn = n) && n->m_pkthdr.len < maxsize) {
-                               u_int space = maxsize - n->m_pkthdr.len;
-
-                               do {
-                                       if (n->m_flags & M_EOR)
-                                               goto on1;
-                               } while (n->m_next && (n = n->m_next));
-                               if (totlen <= space) {
-                                       TPNagle1++;
-                                       n->m_next = m; 
-                                       nn->m_pkthdr.len += totlen;
-                                       while (n = n->m_next)
-                                               sballoc(sb, n);
-                                       if (eotsdu)
-                                               nn->m_flags |= M_EOR; 
-                                       goto on2; 
-                               } else {
-                                       /*
-                                        * Can't sleep here, because when you wake up
-                                        * packet you want to attach to may be gone!
-                                        */
-                                       if (TNew && (n->m_next = m_copym(m, 0, space, M_NOWAIT))) {
-                                               nn->m_pkthdr.len += space;
-                                               TPNagle2++;
-                                               while (n = n->m_next)
-                                                       sballoc(sb, n);
-                                               m_adj(m, space);
-                                       }
-                               }
-                       }       
-       on1:    mbufcnt++;
-                       for (n = m; n->m_pkthdr.len > maxsize;) {
-                               nn = m_copym(n, 0, maxsize, M_WAIT);
-                               sbappendrecord(sb, nn);
-                               m_adj(n, maxsize);
-                               mbufcnt++;
-                       }
-                       if (eotsdu)
-                               n->m_flags |= M_EOR;
-                       sbappendrecord(sb, n);
-       on2:    
-                       IFTRACE(D_DATA)
-                               tptraceTPCB(TPPTmisc,
-                               "SEND BF: maxsize totlen mbufcnt eotsdu",
-                                       maxsize, totlen, mbufcnt, eotsdu);
-                       ENDTRACE
+                       tp_packetize(tpcb, m, eotsdu);

                        IFDEBUG(D_SYSCALL)
                        IFDEBUG(D_SYSCALL)

-                               printf("PRU_SEND: eot %d after sbappend 0x%x mbufcnt 0x%x\n",
-                                       eotsdu, n, mbufcnt);
+                               printf("PRU_SEND: eot %d after sbappend 0x%x\n", eotsdu, m);

                                dump_mbuf(sb->sb_mb, "so_snd.sb_mb");
                        ENDDEBUG
                        if (tpcb->tp_state == TP_OPEN)
                                dump_mbuf(sb->sb_mb, "so_snd.sb_mb");
                        ENDDEBUG
                        if (tpcb->tp_state == TP_OPEN)