diff --git a/src/9vx/devip.c b/src/9vx/devip.c
index de14509..284079d 100755
--- a/src/9vx/devip.c
+++ b/src/9vx/devip.c
@@ -92,6 +92,14 @@ ipgen(Chan *c, char *nname, Dirtab *d, int nd, int s, Dir *dp)
 	q.type = 0;
 	switch(TYPE(c->qid)) {
 	case Qtopdir:
+		if(s == DEVDOTDOT) {
+Topdir:
+			q.path = QID(0, 0, Qtopdir);
+			q.type = QTDIR;
+			snprint(up->genbuf, sizeof up->genbuf, "#I%lud", c->dev);
+			devdir(c, q, up->genbuf, 0, "network", DMDIR|0555, dp);
+			return 1;
+		}
 	case Qcs:
 	case Qdns:
 		if(s >= 2+np)
@@ -106,12 +114,15 @@ ipgen(Chan *c, char *nname, Dirtab *d, int nd, int s, Dir *dp)
 			devdir(c, q, "dns", 0, "network", 0666, dp);
 		}else{
 			s-=2;
+Protodir:
 			q.path = QID(s, 0, Qprotodir);
 			q.type = QTDIR;
 			devdir(c, q, proto[s].name, 0, "network", DMDIR|0555, dp);
 		}
 		return 1;
 	case Qprotodir:
+		if(s == DEVDOTDOT)
+			goto Topdir;
 	case Qclonus:
 		if(s < proto[PROTO(c->qid)].nc) {
 			cv = proto[PROTO(c->qid)].conv[s];
@@ -133,6 +144,10 @@ ipgen(Chan *c, char *nname, Dirtab *d, int nd, int s, Dir *dp)
 		devdir(c, q, p, 0, "network", 0555, dp);
 		return 1;
 	case Qconvdir:
+		if(s == DEVDOTDOT) {
+			s = PROTO(c->qid);
+			goto Protodir;
+		}
 	case Qdata:
 	case Qctl:
 	case Qstatus: