- Call mii_phy_probe() after we allocated an ifp. mii has this evil

hack where it assumes the first field of the driver softc is the struct
ifnet, and it copies its value in mii_phy_probe().
- In the interrupt handler, set the mbuf m_len field on packet receive.

sys/arm/at91/if_ate.c

@@ -181,13 +181,13 @@ ate_attach(device_t dev)
 
 	ate_get_mac(sc, eaddr);
 
+	sc->ifp = ifp = if_alloc(IFT_ETHER);
 	if (mii_phy_probe(dev, &sc->miibus, ate_ifmedia_upd, ate_ifmedia_sts)) {
 		device_printf(dev, "Cannot find my PHY.\n");
 		err = ENXIO;
 		goto out;
 	}
 
-	sc->ifp = ifp = if_alloc(IFT_ETHER);
 	ifp->if_softc = sc;
 	if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 	ifp->if_mtu = ETHERMTU;
@@ -611,6 +611,8 @@ ate_intr(void *xsc)
 					    BUS_DMASYNC_PREWRITE);
 					continue;
 				}
+				mb->m_len = sc->rx_descs[i].status & 
+				    ETH_LEN_MASK;
 				/*
 				 * For the last buffer, set the wrap bit so
 				 * the controller restarts from the first
@@ -817,7 +819,7 @@ atestop(struct ate_softc *sc)
 	/*
 	 * Enable some parts of the MAC that are needed always (like the
 	 * MII bus.  This turns off the RE and TE bits, which will remain
-	 * off until atestart() is called to turn them on.  With RE and TE
+	 * off until ateinit() is called to turn them on.  With RE and TE
 	 * turned off, there's no DMA to worry about after this write.
 	 */
 	WR4(sc, ETH_CTL, ETH_CTL_MPE);