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sky2: Fix VLAN unregistration

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Fix sky2 disabling VLAN completely when the first vid is unregistered.

sky2 disables VLAN completely when the first VID is unregistered. It
should instead disable VLAN when the group is unregistered by calling
sky2_vlan_rx_register with grp = NULL.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>

 drivers/net/sky2.c |   25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2007-06-01 09:43:58 -07:00 committed by Jeff Garzik
parent d2d1acdb6a
commit 3d4e66f5cd
1 changed files with 13 additions and 18 deletions
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29
drivers/net/sky2.c
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@ -1049,26 +1049,22 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp
u16 port = sky2->port;
netif_tx_lock_bh(dev);
netif_poll_disable(sky2->hw->dev[0]);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON);
sky2->vlgrp = grp;
netif_tx_unlock_bh(dev);
if (grp) {
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
RX_VLAN_STRIP_ON);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
TX_VLAN_TAG_ON);
} else {
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
RX_VLAN_STRIP_OFF);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
TX_VLAN_TAG_OFF);
}
static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
u16 port = sky2->port;
netif_tx_lock_bh(dev);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF);
vlan_group_set_device(sky2->vlgrp, vid, NULL);
netif_poll_enable(sky2->hw->dev[0]);
netif_tx_unlock_bh(dev);
}
#endif
@ -3484,7 +3480,6 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
#ifdef SKY2_VLAN_TAG_USED
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
dev->vlan_rx_register = sky2_vlan_rx_register;
dev->vlan_rx_kill_vid = sky2_vlan_rx_kill_vid;
#endif
/* read the mac address */