More debugging.

[ppp.git] / modules / ppp_ahdlc.c

diff --git a/modules/ppp_ahdlc.c b/modules/ppp_ahdlc.c
index 79a2d05d870b33f860cc597f66724ff89ee456b3..c1853bbb9e437cd4be3e7f99109864a9582307c8 100644 (file)
--- a/modules/ppp_ahdlc.c
+++ b/modules/ppp_ahdlc.c
@@ -24,7 +24,7 @@
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
  *
- * $Id: ppp_ahdlc.c,v 1.5 1997/03/04 03:31:51 paulus Exp $
+ * $Id: ppp_ahdlc.c,v 1.7 1998/03/24 23:52:35 paulus Exp $
  */
 
 /*
@@ -42,6 +42,9 @@
 #include <sys/ddi.h>
 #else
 #include <sys/user.h>
+#ifdef __osf__
+#include <sys/cmn_err.h>
+#endif
 #endif /* SVR4 */
 
 #include <net/ppp_defs.h>
@@ -168,7 +171,7 @@ MOD_OPEN(ahdlc_open)
        WR(q)->q_ptr = (caddr_t) sp;
        sp->xaccm[0] = ~0;
        sp->xaccm[3] = 0x60000000;
-       sp->mru = 1500;
+       sp->mru = PPP_MRU;
        ++ppp_ahdlc_count;
        qprocson(q);
     }
@@ -222,6 +225,10 @@ ahdlc_wput(q, mp)
            if (iop->ioc_count < sizeof(u_int32_t)
                || iop->ioc_count > sizeof(ext_accm))
                break;
+           if (mp->b_cont == 0) {
+               DPRINT1("ahdlc_wput/%d: PPPIO_XACCM b_cont = 0!\n", state->unit);
+               break;
+           }
            bcopy((caddr_t)mp->b_cont->b_rptr, (caddr_t)state->xaccm,
                  iop->ioc_count);
            state->xaccm[2] &= ~0x40000000;     /* don't escape 0x5e */
@@ -233,6 +240,10 @@ ahdlc_wput(q, mp)
        case PPPIO_RACCM:
            if (iop->ioc_count != sizeof(u_int32_t))
                break;
+           if (mp->b_cont == 0) {
+               DPRINT1("ahdlc_wput/%d: PPPIO_RACCM b_cont = 0!\n", state->unit);
+               break;
+           }
            bcopy((caddr_t)mp->b_cont->b_rptr, (caddr_t)&state->raccm,
                  sizeof(u_int32_t));
            iop->ioc_count = 0;