sky2: restore vlan acceleration on reset

If device has to be reset by sky2_restart, then need to restore
the VLAN acceleration settings.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index f226bca..3bb6053 100644 (file)
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1159,17 +1159,9 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 }
 
 #ifdef SKY2_VLAN_TAG_USED
-static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
+static void sky2_set_vlan_mode(struct sky2_hw *hw, u16 port, bool onoff)
 {
-       struct sky2_port *sky2 = netdev_priv(dev);
-       struct sky2_hw *hw = sky2->hw;
-       u16 port = sky2->port;
-
-       netif_tx_lock_bh(dev);
-       napi_disable(&hw->napi);
-
-       sky2->vlgrp = grp;
-       if (grp) {
+       if (onoff) {
                sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
                             RX_VLAN_STRIP_ON);
                sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
@@ -1180,6 +1172,19 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp
                sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
                             TX_VLAN_TAG_OFF);
        }
+}
+
+static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
+{
+       struct sky2_port *sky2 = netdev_priv(dev);
+       struct sky2_hw *hw = sky2->hw;
+       u16 port = sky2->port;
+
+       netif_tx_lock_bh(dev);
+       napi_disable(&hw->napi);
+
+       sky2->vlgrp = grp;
+       sky2_set_vlan_mode(hw, port, grp != NULL);
 
        sky2_read32(hw, B0_Y2_SP_LISR);
        napi_enable(&hw->napi);
@@ -1418,6 +1423,10 @@ static int sky2_up(struct net_device *dev)
        sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
                           TX_RING_SIZE - 1);
 
+#ifdef SKY2_VLAN_TAG_USED
+       sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL);
+#endif
+
        err = sky2_rx_start(sky2);
        if (err)
                goto err_out;