X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=netbsd-1.1%2Fif_ppp.c;h=c4f12568e7b968649f7b572c18b777d494ae16bd;hp=4f0072d40958e8cdca78cfd5279f9c8682608e8f;hb=0f6dd4f00bd28d250d5965440c252d371ac13d8c;hpb=72f2c4f99a574e8f4aacd430cb58b053f9e5b3d4;ds=sidebyside

diff --git a/netbsd-1.1/if_ppp.c b/netbsd-1.1/if_ppp.c
index 4f0072d..c4f1256 100644
--- a/netbsd-1.1/if_ppp.c
+++ b/netbsd-1.1/if_ppp.c
@@ -1,4 +1,4 @@
-/*	$Id: if_ppp.c,v 1.4 1996/07/01 05:30:45 paulus Exp $	*/
+/*	$Id: if_ppp.c,v 1.5 1996/09/26 06:24:14 paulus Exp $	*/
 
 /*
  * if_ppp.c - Point-to-Point Protocol (PPP) Asynchronous driver.
@@ -935,13 +935,18 @@ ppp_dequeue(sc)
 	for (mp = m; mp != NULL; mp = mp->m_next)
 	    slen += mp->m_len;
 	clen = (*sc->sc_xcomp->compress)
-	    (sc->sc_xc_state, &mcomp, m, slen,
-	     (sc->sc_flags & SC_CCP_UP? sc->sc_if.if_mtu: 0));
+	    (sc->sc_xc_state, &mcomp, m, slen, sc->sc_if.if_mtu + PPP_HDRLEN);
 	if (mcomp != NULL) {
-	    m_freem(m);
-	    m = mcomp;
-	    cp = mtod(m, u_char *);
-	    protocol = cp[3];
+	    if (sc->sc_flags & SC_CCP_UP) {
+		/* Send the compressed packet instead of the original. */
+		m_freem(m);
+		m = mcomp;
+		cp = mtod(m, u_char *);
+		protocol = cp[3];
+	    } else {
+		/* Can't transmit compressed packets until CCP is up. */
+		m_freem(mcomp);
+	    }
 	}
     }
 #endif	/* PPP_COMPRESS */