--- sbin/pfctl/pfctl_altq.c	(revision 303910)
+++ sbin/pfctl/pfctl_altq.c	(working copy)
@@ -1326,7 +1326,7 @@ 
 		errx(1, "getifspeed: strlcpy");
 	if (ioctl(pfdev, DIOCGIFSPEED, &io) == -1)
 		err(1, "DIOCGIFSPEED");
-	return ((u_int32_t)io.baudrate);
+	return ((u_int64_t)io.baudrate);
 }
 #else
 u_int32_t
--- sys/net/pfvar.h	(revision 303910)
+++ sys/net/pfvar.h	(working copy)
@@ -1439,7 +1439,7 @@ 
 #define	DIOCKILLSRCNODES	_IOWR('D', 91, struct pfioc_src_node_kill)
 struct pf_ifspeed {
 	char			ifname[IFNAMSIZ];
-	u_int32_t		baudrate;
+	u_int64_t		baudrate;
 };
 #define	DIOCGIFSPEED	_IOWR('D', 92, struct pf_ifspeed)