merge

15 files changed, 159 insertions, 175 deletions

diff --git a/rc/bin/cpurc b/rc/bin/cpurc
index a410d3dcb..404f494ff 100755
--- a/rc/bin/cpurc
+++ b/rc/bin/cpurc
@@ -5,7 +5,7 @@
 NPROC=`{wc -l </dev/sysstat}
 
 # bind all likely devices
-for(i in t S P '$')
+for(i in u t S P '$')
 	bind -a '#'^$i /dev >/dev/null >[2=1]
 rm -f /env/i
 
@@ -56,12 +56,19 @@ if(test -e /cfg/$sysname/cpurc)
 # automatic ip address setup
 if(test -r /net/ipselftab){
 	if(! grep u /net/ipselftab | grep -sv 127.0.0.1){
-		ether=`{ndb/query sys $sysname ether}
-		if(~ $#ether 1){
-			# try /lib/ndb first, then do dhcp
-			ip/ipconfig -N >[2]/dev/null || ip/ipconfig -h $sysname
+		addrs=`{ndb/query -a sys $sysname ether}
+		if(! ~ $#addrs 0){
+			for(ether in /net/ether*){
+				addr=`{cat $ether/addr}
+				switch($addr){
+				case $addrs
+					# try /lib/ndb first, then do dhcp
+					ip/ipconfig -N ether $ether >[2]/dev/null \
+					|| ip/ipconfig -h $sysname ether $ether
+				}
+			}
 		}
-		rm -f /env/ether
+		rm -f /env/ether /env/addrs /env/addr
 	}
 }
 
@@ -77,16 +84,16 @@ if(! ps|grep -s timesync){
 	sleep 2
 }
 
-if(~ $#auth 0){
-	auth=`{ndb/query sys $sysname auth}
-	. <{ndb/ipquery sys $sysname auth | sed 's, +,\n,g'}
-}
 if(test -d /cfg/$sysname/service)
 	serviced=/cfg/$sysname/service
 if not if(test -d /cfg/default/service)
 	serviced=/cfg/default/service
 if not
 	serviced=/rc/bin/service
+if(~ $#auth 0){
+	auth=`{ndb/query sys $sysname auth}
+	. <{ndb/ipquery sys $sysname auth | sed 's, +,\n,g'}
+}
 switch($auth){
 case `{	echo $sysname; ndb/query sys $sysname dom
 	if(test -r /net/ipselftab){
diff --git a/rc/bin/ipv6on b/rc/bin/ipv6on
deleted file mode 100755
index 703feed76..000000000
--- a/rc/bin/ipv6on
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/bin/rc
-# ipv6on [netdir ndbfile [gwv4]] - configure an interface for ipv6,
-#	once ipv4 is configured.
-if (! ~ $#* 0 2 3) {
-	echo usage: $0 '[netdir ndbfile [gw-v4-name]]' >[1=2]
-	exit usage
-}
-rfork e
-if (~ $#* 0) {
-	netdir=/net
-	ndbf=/lib/ndb/local
-	gw=`{ndb/ipquery sys $sysname ipgw | sed 's/ipgw=//'}
-}
-if not {
-	netdir=$1
-	ndbf=$2
-	if (~ $#* 2)
-		# gw=()
-		gw=`{ndb/ipquery sys $sysname ipgw | sed 's/ipgw=//'}
-	if not
-		gw=$3
-}
-if (~ $netdir /net) {
-	xsfx=()
-	xdir=()
-}
-if not {
-	xsfx=(-x `{echo $netdir | sed 's;^/net;;'})
-	xdir=(-x $netdir)
-}
-fn nonnil {		# variable
-	if (~ $#$1 0) {
-		echo no ip for $1
-		exit no-ip
-	}
-	if (! ~ $#$1 1) {
-		echo multiple ips for $1
-		exit multiple-ips
-	}
-}
-devdir=`{awk '/^device/{print $2}' $netdir/ipifc/*/status | grep -v /dev/null}
-nonnil devdir
-devtype=pkt
-if(~ $devdir *ether*)
-	devtype=ether
-
-#
-# configure v6 for link-local addresses (fe80::) & multicast (ff02::)
-#
-if (! ip/ipconfig -6 $xdir $devtype $devdir)
-	exit 'ipconfig -6 failed'
-ip/ipconfig $xdir $devtype $devdir ra6 recvra 1
-
-mev6=`{ndb/query -f $ndbf sys $sysname ipv6 | grep :}
-if (~ $#mev6 0)
-	mev6=`{ndb/query -mf $ndbf sys $sysname ip | grep :}
-# mev4=`{ndb/query -f $ndbf sys $sysname ip | grep -v :}
-
-# for testing
-if(~ $devtype ether){
-	mylnk=`{ip/linklocal `{cat $devdir/addr}}
-	nonnil mylnk
-}
-
-if (~ $#gw 1) {
-	if (~ $gw [0-9]*.[0-9]*.[0-9]*.[0-9]*)
-		gwv4=$gw
-	if (~ $#gwv4 0)
-		gwv4=`{ndb/query -f $ndbf sys $gw ip | grep -v :}
-	if (~ $gw *:*)
-		gwv6=$gw
-	if (~ $#gwv6 0)
-		gwv6=`{ndb/query -f $ndbf sys $gw ipv6 | grep :}
-	if (~ $#gwv6 0)
-		gwv6=`{ndb/query -f $ndbf sys $gw ip | grep :}
-	if (~ $#gwv6 0) {
-		if (~ $#gwv4 1) {
-			# echo ping gw $gwv4...
-			# load arp cache with gw mac
-			ip/ping -qn 3 $netdir/icmp!$gwv4 >/dev/null >[2=1] &
-			sleep 1					# wait for ping
-
-			gweth=`{grep '* '^$gwv4^' ' $netdir/arp | awk '{print $4}' }
-			nonnil gweth
-			gwlnk=`{ip/linklocal $gweth}
-			nonnil gwlnk
-			gwv6=$gwlnk
-		}
-	}
-}
-nonnil mev6
-#
-# configure my global v6 addresses
-#
-ip/ipconfig $xdir $devtype $devdir	add $mev6 /64
-ip/ipconfig $xdir loopback /dev/null	add $mev6 /128
-
-if (~ $#gwv6 1) {
-	#
-	# add default v6 route to v6 addr of v4 gw
-	#
-	echo add :: /0 $gwv6 >$netdir/iproute	# need not be link-local
-}
-exit ''
diff --git a/rc/bin/termrc b/rc/bin/termrc
index dfc99968b..f160915e6 100755
--- a/rc/bin/termrc
+++ b/rc/bin/termrc
@@ -6,7 +6,7 @@ TIMESYNCARGS=(-rLa1000000)
 NPROC=`{wc -l </dev/sysstat}
 
 # bind all likely devices
-for(i in v t m i f S P L A '$')
+for(i in u v t m i f S P L A '$')
 	bind -a '#'^$i /dev >/dev/null >[2=1]
 rm -f /env/i
 
@@ -57,12 +57,19 @@ if(test -e /cfg/$sysname/termrc)
 # automatic ip address setup
 if(test -r /net/ipselftab){
 	if(! grep u /net/ipselftab | grep -sv 127.0.0.1){
-		ether=`{ndb/query sys $sysname ether}
-		if(~ $#ether 1){
-			# try /lib/ndb first, then do dhcp
-			ip/ipconfig -N >[2]/dev/null || ip/ipconfig -h $sysname
+		addrs=`{ndb/query -a sys $sysname ether}
+		if(! ~ $#addrs 0){
+			for(ether in /net/ether*){
+				addr=`{cat $ether/addr}
+				switch($addr){
+				case $addrs
+					# try /lib/ndb first, then do dhcp
+					ip/ipconfig -N ether $ether >[2]/dev/null \
+					|| ip/ipconfig -h $sysname ether $ether
+				}
+			}
 		}
-		rm -f /env/ether
+		rm -f /env/ether /env/addrs /env/addr
 	}
 }
 
diff --git a/sys/man/3/ip b/sys/man/3/ip
index 76430cd01..38ae273bc 100644
--- a/sys/man/3/ip
+++ b/sys/man/3/ip
@@ -194,6 +194,17 @@ Set the maximum transfer unit for this device to
 The mtu is the maximum size of the packet including any
 medium-specific headers.
 .TP
+.BI speed\  n
+Set the maximum transmit speed in bits per second.
+TP
+.BI delay\  n
+Set the maximum burst delay in milliseconds. (Default is 40ms)
+When
+.B speed
+has been set and packets in flight exceed the maximum burst
+delay then packets send on the interface are discarded until
+the load drops below the maximum.
+.TP
 .BI iprouting\  n
 Allow
 .RI ( n
diff --git a/sys/man/8/ipconfig b/sys/man/8/ipconfig
index 6cbaa3ef6..1e14eeaf9 100644
--- a/sys/man/8/ipconfig
+++ b/sys/man/8/ipconfig
@@ -1,6 +1,6 @@
 .TH IPCONFIG 8
 .SH NAME
-ipconfig, rip, linklocal, ipv6on \- Internet configuration and routing
+ipconfig, rip, linklocal \- Internet configuration and routing
 .SH SYNOPSIS
 .in +0.25i
 .ti -0.25i
@@ -52,14 +52,6 @@ ipconfig, rip, linklocal, ipv6on \- Internet configuration and routing
 ]
 .I mac
 \&...
-.PP
-.B ipv6on
-[
-.I netmtpt
-.I ndbfile
-[
-.I gwv4
-]\|]
 .SH DESCRIPTION
 .I Ipconfig
 binds a device interface to a mounted IP stack (default
@@ -73,12 +65,13 @@ The addresses can be specified in the command line or obtained via DHCP.
 If DHCP is requested, it will also obtain the addresses of DNS
 servers, NTP servers, gateways, a Plan 9 file server,
 and a Plan 9 authentication server.
-If this is the first non-loopback
-interface on the IP stack, the information will be written to
+Information from DHCP and IPv6 router advertisements is written to
 .B /net/ndb
 in the form of an
 .IR ndb (8)
-entry.
+entry unless the
+.B P
+flag has been specified.
 .PP
 .I Type
 may be
@@ -175,7 +168,7 @@ turn on debugging.
 the default gateway.
 .TP
 .B G
-use only generic DHCP options.  Without this option,
+use only generic DHCP and RA options.  Without this option,
 .I ipconfig
 adds to requests a Vendor Class option with value
 .BI plan9_$ cputype
@@ -197,10 +190,18 @@ determine parameters but don't configure the interface.
 .TP
 .B N
 look in
-.B /lib/ndb
-for the IP parameters.  This only works if the
-interface is an ethernet.  It uses the ethernet address to find
-a matching entry.
+.I dbfile
+(default
+.BR /lib/ndb/local )
+for the IP parameters for the specified
+.I local
+IP address or if
+.I local
+is omited and the device is an ethernet then all IP parameters
+associated with the MAC address. IPv6 addresses are added only
+if a IPv6 link-local address exists on the interface or the
+.B 6
+flag has been given to automatically configure one.
 .TP
 .B O
 addresses specified on the command line override those obtained via DHCP.
@@ -208,13 +209,11 @@ A command line address of 0 implies no override.
 .TP
 .B p
 write configuration information to
-.BR /net/ndb ,
-even if other network interfaces are already configured
+.BR /net/ndb .
 .TP
 .B P
 do not write configuration information to
-.BR /net/ndb ,
-even if this is the first network interface to be configured
+.BR /net/ndb .
 .TP
 .B r
 by default,
@@ -231,7 +230,7 @@ before adding new ones.
 .TP
 .B f
 use the ndb database file
-.I dbfile .
+.IR dbfile .
 .TP
 .B x
 use the IP stack mounted at
@@ -322,18 +321,6 @@ and
 .I 6to4
 gateway
 .IR gwipv4 .
-.PP
-.I Ipv6on
-uses the network database at
-.I ndbfile
-to configure the network mounted on
-.I netmtpt
-with a link-local address (derived from its MAC address)
-and attempts to add a default IPv6 route to the local
-IPv4 gateway's IPv6 address.
-If
-.I gwv4
-is supplied, it will be used as the gateway IPv4 address.
 .SH EXAMPLES
 Configure Ethernet 0 as the primary IP interface.
 Get all addresses via DHCP.  Start up a connection server
@@ -386,8 +373,6 @@ ip/ipconfig ra6 recvra 1
 .B /sys/src/cmd/ip/rip.c
 .br
 .B /sys/src/cmd/ip/linklocal.c
-.br
-.B /rc/bin/ipv6on
 .SH "SEE ALSO"
 .IR ether (3),
 .IR ip (3),
diff --git a/sys/man/8/ppp b/sys/man/8/ppp
index be60bfda3..66ebb7bfd 100644
--- a/sys/man/8/ppp
+++ b/sys/man/8/ppp
@@ -53,6 +53,10 @@ ppp, pppoe, pptp, pptpd \- point-to-point protocol
 .I mtu
 ]
 [
+.B -b
+.I baud
+]
+[
 .B -x
 .I pppnetmntpt
 ]
diff --git a/sys/src/9/ip/arp.c b/sys/src/9/ip/arp.c
index 12cb42fd1..03897c705 100644
--- a/sys/src/9/ip/arp.c
+++ b/sys/src/9/ip/arp.c
@@ -303,7 +303,7 @@ arpenter(Fs *fs, int version, uchar *ip, uchar *mac, int n, uchar *ia, Ipifc *if
 					freeblistchain(next);
 					break;
 				}
-				ifc->m->bwrite(ifc, concatblock(bp), version, ip);
+				ipifcoput(ifc, bp, version, ip);
 				poperror();
 			}
 			return 1;
diff --git a/sys/src/9/ip/ip.c b/sys/src/9/ip/ip.c
index 7166619dd..f1cd74c10 100644
--- a/sys/src/9/ip/ip.c
+++ b/sys/src/9/ip/ip.c
@@ -180,6 +180,7 @@ ipoput4(Fs *f, Block *bp, int gating, int ttl, int tos, Routehint *rh)
 		runlock(ifc);
 		nexterror();
 	}
+
 	if(ifc->m == nil)
 		goto raise;
 
@@ -196,7 +197,7 @@ ipoput4(Fs *f, Block *bp, int gating, int ttl, int tos, Routehint *rh)
 		eh->cksum[0] = 0;
 		eh->cksum[1] = 0;
 		hnputs(eh->cksum, ipcsum(&eh->vihl));
-		ifc->m->bwrite(ifc, concatblock(bp), V4, gate);
+		ipifcoput(ifc, bp, V4, gate);
 		runlock(ifc);
 		poperror();
 		return 0;
@@ -280,7 +281,7 @@ if((eh->frag[0] & (IP_DF>>8)) && !gating) print("%V: DF set\n", eh->dst);
 		feh->cksum[0] = 0;
 		feh->cksum[1] = 0;
 		hnputs(feh->cksum, ipcsum(&feh->vihl));
-		ifc->m->bwrite(ifc, nb, V4, gate);
+		ipifcoput(ifc, nb, V4, gate);
 		ip->stats[FragCreates]++;
 	}
 	ip->stats[FragOKs]++;
diff --git a/sys/src/9/ip/ip.h b/sys/src/9/ip/ip.h
index 84edd761e..de1908dcd 100644
--- a/sys/src/9/ip/ip.h
+++ b/sys/src/9/ip/ip.h
@@ -327,6 +327,12 @@ struct Ipifc
 	uchar	recvra6;	/* flag: recv router advs on this ifc */
 	Routerparams rp;	/* router parameters as in RFC 2461, pp.40—43.
 					used only if node is router */
+
+	int	speed;		/* link speed in bits per second */
+	int	delay;		/* burst delay in ms */
+	int	burst;		/* burst delay in bytes */
+	int	load;		/* bytes in flight */
+	ulong	ticks;
 };
 
 /*
@@ -652,6 +658,7 @@ extern Medium	pktmedium;
  */
 extern Medium*	ipfindmedium(char *name);
 extern void	addipmedium(Medium *med);
+extern void	ipifcoput(Ipifc *ifc, Block *bp, int version, uchar *ip);
 extern int	ipforme(Fs*, uchar *addr);
 extern int	ipismulticast(uchar *ip);
 extern Ipifc*	findipifc(Fs*, uchar *local, uchar *remote, int type);
diff --git a/sys/src/9/ip/ipifc.c b/sys/src/9/ip/ipifc.c
index 037f2abd9..d0d0557a9 100644
--- a/sys/src/9/ip/ipifc.c
+++ b/sys/src/9/ip/ipifc.c
@@ -250,7 +250,7 @@ ipifcunbind(Ipifc *ifc)
 
 char sfixedformat[] = "device %s maxtu %d sendra %d recvra %d mflag %d oflag"
 " %d maxraint %d minraint %d linkmtu %d reachtime %d rxmitra %d ttl %d routerlt"
-" %d pktin %lud pktout %lud errin %lud errout %lud\n";
+" %d pktin %lud pktout %lud errin %lud errout %lud speed %d delay %d\n";
 
 char slineformat[] = "	%-40I %-10M %-40I %-12lud %-12lud\n";
 
@@ -267,7 +267,8 @@ ipifcstate(Conv *c, char *state, int n)
 		ifc->rp.mflag, ifc->rp.oflag, ifc->rp.maxraint,
 		ifc->rp.minraint, ifc->rp.linkmtu, ifc->rp.reachtime,
 		ifc->rp.rxmitra, ifc->rp.ttl, ifc->rp.routerlt,
-		ifc->in, ifc->out, ifc->inerr, ifc->outerr);
+		ifc->in, ifc->out, ifc->inerr, ifc->outerr,
+		ifc->speed, ifc->delay);
 
 	rlock(ifc);
 	for(lifc = ifc->lifc; lifc != nil && n > m; lifc = lifc->next)
@@ -309,6 +310,50 @@ ipifcinuse(Conv *c)
 	return ifc->m != nil;
 }
 
+static void
+ipifcsetdelay(Ipifc *ifc, int delay)
+{
+	if(delay < 0)
+		delay = 0;
+	else if(delay > 1000)
+		delay = 1000;
+	ifc->delay = delay;
+	ifc->burst = ((vlong)delay * ifc->speed) / 8000;
+	if(ifc->burst < ifc->maxtu)
+		ifc->burst = ifc->maxtu;
+}
+
+static void
+ipifcsetspeed(Ipifc *ifc, int speed)
+{
+	if(speed < 0)
+		speed = 0;
+	ifc->speed = speed;
+	ifc->load = 0;
+	ipifcsetdelay(ifc, ifc->delay);
+}
+
+void
+ipifcoput(Ipifc *ifc, Block *bp, int version, uchar *ip)
+{
+	if(ifc->speed){
+		ulong now = MACHP(0)->ticks;
+		int dt = TK2MS(now - ifc->ticks);
+		ifc->ticks = now;
+		ifc->load -= ((vlong)dt * ifc->speed) / 8000;
+		if(ifc->load < 0 || dt < 0 || dt > 1000)
+			ifc->load = 0;
+		else if(ifc->load > ifc->burst){
+			freeblist(bp);
+			return;
+		}
+	}
+	bp = concatblock(bp);
+	ifc->load += BLEN(bp);
+	ifc->m->bwrite(ifc, bp, version, ip);
+}
+
+
 /*
  *  called when a process writes to an interface's 'data'
  */
@@ -358,6 +403,8 @@ ipifccreate(Conv *c)
 	ifc->m = nil;
 	ifc->reflect = 0;
 	ifc->reassemble = 0;
+	ipifcsetspeed(ifc, 0);
+	ipifcsetdelay(ifc, 40);
 }
 
 /*
@@ -772,6 +819,14 @@ ipifcctl(Conv* c, char **argv, int argc)
 		return ipifcunbind(ifc);
 	else if(strcmp(argv[0], "mtu") == 0)
 		return ipifcsetmtu(ifc, argv, argc);
+	else if(strcmp(argv[0], "speed") == 0){
+		ipifcsetspeed(ifc, argc>1? atoi(argv[1]): 0);
+		return nil;
+	}
+	else if(strcmp(argv[0], "delay") == 0){
+		ipifcsetdelay(ifc, argc>1? atoi(argv[1]): 0);
+		return nil;
+	}
 	else if(strcmp(argv[0], "iprouting") == 0){
 		iprouting(c->p->f, argc>1? atoi(argv[1]): 1);
 		return nil;
diff --git a/sys/src/9/ip/ipv6.c b/sys/src/9/ip/ipv6.c
index aab473c87..6b6d4eeca 100644
--- a/sys/src/9/ip/ipv6.c
+++ b/sys/src/9/ip/ipv6.c
@@ -103,7 +103,7 @@ ipoput6(Fs *f, Block *bp, int gating, int ttl, int tos, Routehint *rh)
 	medialen = ifc->maxtu - ifc->m->hsize;
 	if(len <= medialen) {
 		hnputs(eh->ploadlen, len - IP6HDR);
-		ifc->m->bwrite(ifc, concatblock(bp), V6, gate);
+		ipifcoput(ifc, bp, V6, gate);
 		runlock(ifc);
 		poperror();
 		return 0;
@@ -193,8 +193,7 @@ ipoput6(Fs *f, Block *bp, int gating, int ttl, int tos, Routehint *rh)
 			if(xp->rp == xp->wp)
 				xp = xp->next;
 		}
-
-		ifc->m->bwrite(ifc, nb, V6, gate);
+		ipifcoput(ifc, nb, V6, gate);
 		ip->stats[FragCreates]++;
 	}
 	ip->stats[FragOKs]++;
diff --git a/sys/src/cmd/ip/ipconfig/main.c b/sys/src/cmd/ip/ipconfig/main.c
index e051821d9..b8899d06d 100644
--- a/sys/src/cmd/ip/ipconfig/main.c
+++ b/sys/src/cmd/ip/ipconfig/main.c
@@ -318,8 +318,7 @@ main(int argc, char **argv)
 		plan9 = 0;
 		break;
 	case 'h':
-		snprint(conf.hostname, sizeof conf.hostname, "%s",
-			EARGF(usage()));
+		snprint(conf.hostname, sizeof conf.hostname, "%s", EARGF(usage()));
 		sendhostname = 1;
 		break;
 	case 'm':
@@ -389,7 +388,7 @@ main(int argc, char **argv)
 		if(dondbconfig){
 			dodhcp = 0;
 			ndbconfig();
-			return;
+			break;
 		}
 		doadd();
 		break;
diff --git a/sys/src/cmd/ip/linklocal.c b/sys/src/cmd/ip/linklocal.c
index afe86435b..9c5066d64 100644
--- a/sys/src/cmd/ip/linklocal.c
+++ b/sys/src/cmd/ip/linklocal.c
@@ -25,7 +25,7 @@ usage(void)
 void
 ea2eui64(uchar *lla, uchar *ea)
 {
-	*lla++ = *ea++ | V60globaladm;	/* oui (company id) */
+	*lla++ = *ea++ ^ V60globaladm;	/* oui (company id) */
 	*lla++ = *ea++;			/* " */
 	*lla++ = *ea++;			/* " */
 	*lla++ = 0xFF;			/* mac-48 in eui-64 (sic) */
diff --git a/sys/src/cmd/ip/ppp/ppp.c b/sys/src/cmd/ip/ppp/ppp.c
index 650b75c3d..1225e8373 100644
--- a/sys/src/cmd/ip/ppp/ppp.c
+++ b/sys/src/cmd/ip/ppp/ppp.c
@@ -1497,7 +1497,7 @@ ppptimer(PPP *ppp)
 }
 
 static void
-setdefroute(char *net, Ipaddr gate)
+defroute(char *net, char *verb, Ipaddr gate, Ipaddr local)
 {
 	int fd;
 	char path[128];
@@ -1506,7 +1506,10 @@ setdefroute(char *net, Ipaddr gate)
 	fd = open(path, ORDWR);
 	if(fd < 0)
 		return;
-	fprint(fd, "add 0 0 %I", gate);
+	fprint(fd, "tag ppp");
+	if(primary)
+		fprint(fd, "%s 0.0.0.0 0.0.0.0 %I", verb, gate);
+	fprint(fd, "%s 0.0.0.0 0.0.0.0 %I %I 255.255.255.255", verb, gate, local);
 	close(fd);
 }
 
@@ -1550,8 +1553,9 @@ ipopen(PPP *ppp)
 			close(cfd);
 			return "can't set addresses";
 		}
-		if(primary)
-			setdefroute(ppp->net, ppp->remote);
+		if(baud)
+			fprint(cfd, "speed %d", baud);
+		defroute(ppp->net, "add", ppp->remote, ppp->local);
 		ppp->ipfd = fd;
 		ppp->ipcfd = cfd;
 
@@ -1570,6 +1574,7 @@ ipopen(PPP *ppp)
 		/* we may have changed addresses */
 		if(ipcmp(ppp->local, ppp->curlocal) != 0 ||
 		   ipcmp(ppp->remote, ppp->curremote) != 0){
+			defroute(ppp->net, "remove", ppp->curremote, ppp->curlocal);
 			snprint(buf, sizeof buf, "remove %I 255.255.255.255 %I",
 			    ppp->curlocal, ppp->curremote);
 			if(fprint(ppp->ipcfd, "%s", buf) < 0)
@@ -1578,6 +1583,7 @@ ipopen(PPP *ppp)
 			    ppp->local, ppp->remote, ppp->mtu-10);
 			if(fprint(ppp->ipcfd, "%s", buf) < 0)
 				syslog(0, "ppp", "can't %s: %r", buf);
+			defroute(ppp->net, "add", ppp->remote, ppp->local);
 		}
 		syslog(0, "ppp", "%I/%I -> %I/%I", ppp->curlocal, ppp->curremote,
 		   ppp->local, ppp->remote);
@@ -2634,7 +2640,7 @@ usage(void)
 void
 main(int argc, char **argv)
 {
-	int mtu, baud, framing, user, mediain, mediaout, cfd;
+	int mtu, framing, user, mediain, mediaout, cfd;
 	Ipaddr ipaddr, remip;
 	char *dev, *modemcmd;
 	char net[128];
@@ -2654,7 +2660,6 @@ main(int argc, char **argv)
 	invalidate(remip);
 
 	mtu = Defmtu;
-	baud = 0;
 	framing = 0;
 	setnetmtpt(net, sizeof(net), nil);
 	user = 0;
diff --git a/sys/src/cmd/ip/pppoe.c b/sys/src/cmd/ip/pppoe.c
index 34bfb00f9..8dd0f3638 100644
--- a/sys/src/cmd/ip/pppoe.c
+++ b/sys/src/cmd/ip/pppoe.c
@@ -29,11 +29,12 @@ int cookielen;
 uchar etherdst[6];
 int mtu = 1492;
 int pktcompress, hdrcompress;
+char *baud;
 
 void
 usage(void)
 {
-	fprint(2, "usage: pppoe [-PdcC] [-A acname] [-S srvname] [-k keyspec] [-m mtu] [-x pppnet] [ether0]\n");
+	fprint(2, "usage: pppoe [-PdcC] [-A acname] [-S srvname] [-k keyspec] [-m mtu] [-b baud] [-x pppnet] [ether0]\n");
 	exits("usage");
 }
 
@@ -76,6 +77,9 @@ main(int argc, char **argv)
 	case 'k':
 		keyspec = EARGF(usage());
 		break;
+	case 'b':
+		baud = EARGF(usage());
+		break;
 	case 'c':
 		pktcompress = 1;
 		break;
@@ -533,6 +537,10 @@ execppp(int fd)
 		argv[argc++] = "-d";
 	if(primary)
 		argv[argc++] = "-P";
+	if(baud){
+		argv[argc++] = "-b";
+		argv[argc++] = baud;
+	}
 	if(hdrcompress)
 		argv[argc++] = "-C";
 	if(pktcompress)