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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>
This commit is contained in:
Stephen Hemminger 2008-05-14 17:04:13 -07:00 committed by Jeff Garzik
parent 8757a5f715
commit d494eacde8
1 changed files with 19 additions and 10 deletions
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29
drivers/net/sky2.c
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@ -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;