NET: nps_enet: drop control frames

We set controller to drop control frames and not trying
to pass them on. This is only needed for debug reasons.

Signed-off-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index 8b25f24..e553e6a 100644 (file)
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -304,11 +304,8 @@ static void nps_enet_hw_enable_control(struct net_device *ndev)
 
        /* Discard Packets bigger than max frame length */
        max_frame_length = ETH_HLEN + ndev->mtu + ETH_FCS_LEN;
-       if (max_frame_length <= NPS_ENET_MAX_FRAME_LENGTH) {
+       if (max_frame_length <= NPS_ENET_MAX_FRAME_LENGTH)
                ge_mac_cfg_3->max_len = max_frame_length;
-               nps_enet_reg_set(priv, NPS_ENET_REG_GE_MAC_CFG_3,
-                                ge_mac_cfg_3->value);
-       }
 
        /* Enable interrupts */
        buf_int_enable.rx_rdy = NPS_ENET_ENABLE;
@@ -336,11 +333,14 @@ static void nps_enet_hw_enable_control(struct net_device *ndev)
        ge_mac_cfg_0.tx_fc_en = NPS_ENET_ENABLE;
        ge_mac_cfg_0.rx_fc_en = NPS_ENET_ENABLE;
        ge_mac_cfg_0.tx_fc_retr = NPS_ENET_GE_MAC_CFG_0_TX_FC_RETR;
+       ge_mac_cfg_3->cf_drop = NPS_ENET_ENABLE;
 
        /* Enable Rx and Tx */
        ge_mac_cfg_0.rx_en = NPS_ENET_ENABLE;
        ge_mac_cfg_0.tx_en = NPS_ENET_ENABLE;
 
+       nps_enet_reg_set(priv, NPS_ENET_REG_GE_MAC_CFG_3,
+                        ge_mac_cfg_3->value);
        nps_enet_reg_set(priv, NPS_ENET_REG_GE_MAC_CFG_0,
                         ge_mac_cfg_0.value);
 }