From cb3847ef25bc935ef66c39c919c0b375358b09b1 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Wed, 16 Aug 1995 01:36:40 +0000
Subject: [PATCH] Some mods from Bruce Evans

---
 freebsd-2.0/if_ppp.c  | 17 +++++++++++++++--
 freebsd-2.0/ppp_tty.c | 15 +++++++--------
 2 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/freebsd-2.0/if_ppp.c b/freebsd-2.0/if_ppp.c
index f6f4e84..d62251a 100644
--- a/freebsd-2.0/if_ppp.c
+++ b/freebsd-2.0/if_ppp.c
@@ -69,7 +69,7 @@
  * Paul Mackerras (paulus@cs.anu.edu.au).
  */
 
-/* $Id: if_ppp.c,v 1.4 1995/07/11 06:37:41 paulus Exp $ */
+/* $Id: if_ppp.c,v 1.5 1995/08/16 01:36:38 paulus Exp $ */
 /* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */
 
 #include "ppp.h"
@@ -191,7 +191,7 @@ pppattach()
 	sc->sc_if.if_name = "ppp";
 	sc->sc_if.if_unit = i++;
 	sc->sc_if.if_mtu = PPP_MTU;
-	sc->sc_if.if_flags = IFF_POINTOPOINT;
+	sc->sc_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
 	sc->sc_if.if_type = IFT_PPP;
 	sc->sc_if.if_hdrlen = PPP_HDRLEN;
 	sc->sc_if.if_ioctl = pppsioctl;
@@ -511,6 +511,19 @@ pppsioctl(ifp, cmd, data)
 	ifr->ifr_mtu = sc->sc_if.if_mtu;
 	break;
 
+    case SIOCADDMULTI:
+    case SIOCDELMULTI:
+	switch(ifr->ifr_addr.sa_family) {
+#ifdef INET
+	case AF_INET:
+	    break;
+#endif
+	default:
+	    error = EAFNOSUPPORT;
+	    break;
+	}
+	break;
+
     case SIOCGPPPSTATS:
 	psp = &((struct ifpppstatsreq *) data)->stats;
 	bzero(psp, sizeof(*psp));
diff --git a/freebsd-2.0/ppp_tty.c b/freebsd-2.0/ppp_tty.c
index 1f22821..5ad17d2 100644
--- a/freebsd-2.0/ppp_tty.c
+++ b/freebsd-2.0/ppp_tty.c
@@ -70,7 +70,7 @@
  * Paul Mackerras (paulus@cs.anu.edu.au).
  */
 
-/* $Id: ppp_tty.c,v 1.2 1995/05/02 01:00:44 paulus Exp $ */
+/* $Id: ppp_tty.c,v 1.3 1995/08/16 01:36:40 paulus Exp $ */
 /* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */
 
 #include "ppp.h"
@@ -157,7 +157,7 @@ static void	ppplogchar __P((struct ppp_softc *, int));
 
 static struct linesw pppdisc = {
 	pppopen, pppclose, pppread, pppwrite, ppptioctl,
-	pppinput, pppstart, nullmodem
+	pppinput, pppstart, ttymodem
 };
 
 void
@@ -301,8 +301,7 @@ pppread(tp, uio, flag)
 	}
 	if (sc->sc_inq.ifq_head != NULL)
 	    break;
-	if ((tp->t_state & TS_CARR_ON) == 0 && (tp->t_cflag & CLOCAL) == 0
-	    && (tp->t_state & TS_ISOPEN)) {
+	if ((tp->t_state & TS_CONNECTED) == 0 && (tp->t_state & TS_ISOPEN)) {
 	    splx(s);
 	    return 0;		/* end of file */
 	}
@@ -310,7 +309,7 @@ pppread(tp, uio, flag)
 	    splx(s);
 	    return (EWOULDBLOCK);
 	}
-	error = ttysleep(tp, (caddr_t)&tp->t_rawq, TTIPRI|PCATCH, ttyin, 0);
+	error = ttysleep(tp, TSA_HUP_OR_INPUT(tp), TTIPRI | PCATCH, "pppin", 0);
 	if (error) {
 	    splx(s);
 	    return error;
@@ -345,7 +344,7 @@ pppwrite(tp, uio, flag)
     struct sockaddr dst;
     int len, error;
 
-    if ((tp->t_state & TS_CARR_ON) == 0 && (tp->t_cflag & CLOCAL) == 0)
+    if ((tp->t_state & TS_CONNECTED) == 0)
 	return 0;		/* wrote 0 bytes */
     if (tp->t_line != PPPDISC)
 	return (EINVAL);
@@ -543,7 +542,7 @@ pppstart(tp)
     int n, s, ndone, done, idle;
     struct mbuf *m2;
 
-    if ((tp->t_state & TS_CARR_ON) == 0 && (tp->t_cflag & CLOCAL) == 0
+    if ((tp->t_state & TS_CONNECTED) == 0
 	|| sc == NULL || tp != (struct tty *) sc->sc_devp) {
 	if (tp->t_oproc != NULL)
 	    (*tp->t_oproc)(tp);
@@ -695,7 +694,7 @@ pppstart(tp)
     }
 
     /*
-     * If there is stuff in the output queue, send it now.
+     * Send anything that may be in the output queue.
      * We are being called in lieu of ttstart and must do what it would.
      */
     if (tp->t_oproc != NULL)
-- 
2.39.2