diff options
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_main.c')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index e73cdba58516..d2a6518532f3 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -555,8 +555,16 @@ static void ravb_emac_init_gbeth(struct net_device *ndev) static void ravb_emac_init_rcar(struct net_device *ndev) { - /* Receive frame limit set register */ - ravb_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, RFLR); + struct ravb_private *priv = netdev_priv(ndev); + + /* Set receive frame length + * + * The length set here describes the frame from the destination address + * up to and including the CRC data. However only the frame data, + * excluding the CRC, are transferred to memory. To allow for the + * largest frames add the CRC length to the maximum Rx descriptor size. + */ + ravb_write(ndev, priv->info->rx_max_frame_size + ETH_FCS_LEN, RFLR); /* EMAC Mode: PAUSE prohibition; Duplex; RX Checksum; TX; RX */ ravb_write(ndev, ECMR_ZPF | ECMR_DM | |