diff --git a/sys/compat/linux/linux_ioctl.h b/sys/compat/linux/linux_ioctl.h
--- a/sys/compat/linux/linux_ioctl.h
+++ b/sys/compat/linux/linux_ioctl.h
@@ -235,6 +235,8 @@
 #define	LINUX_SIOCGIFBRDADDR	0x8919
 #define	LINUX_SIOCGIFNETMASK	0x891b
 #define	LINUX_SIOCSIFNETMASK	0x891c
+#define	LINUX_SIOCGIFMETRIC	0x891d
+#define	LINUX_SIOCSIFMETRIC	0x891e
 #define	LINUX_SIOCGIFMTU	0x8921
 #define	LINUX_SIOCSIFMTU	0x8922
 #define	LINUX_SIOCSIFNAME	0x8923
diff --git a/sys/compat/linux/linux_ioctl.c b/sys/compat/linux/linux_ioctl.c
--- a/sys/compat/linux/linux_ioctl.c
+++ b/sys/compat/linux/linux_ioctl.c
@@ -2272,6 +2272,12 @@
 	case LINUX_SIOCGIFHWADDR:
 		cmd = SIOCGHWADDR;
 		break;
+	case LINUX_SIOCGIFMETRIC:
+		cmd = SIOCGIFMETRIC;
+		break;
+	case LINUX_SIOCSIFMETRIC:
+		cmd = SIOCSIFMETRIC;
+		break;
 	/*
 	 * XXX This is slightly bogus, but these ioctls are currently
 	 * XXX only used by the aironet (if_an) network driver.