diff options
Diffstat (limited to 'drivers/net/atlx/atlx.c')
| -rw-r--r-- | drivers/net/atlx/atlx.c | 57 |
1 files changed, 40 insertions, 17 deletions
diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c index afb7f7dd1bb..aabcf4b5745 100644 --- a/drivers/net/atlx/atlx.c +++ b/drivers/net/atlx/atlx.c @@ -211,8 +211,18 @@ static void atlx_link_chg_task(struct work_struct *work) spin_unlock_irqrestore(&adapter->lock, flags); } -static void atlx_vlan_rx_register(struct net_device *netdev, - struct vlan_group *grp) +static void __atlx_vlan_mode(u32 features, u32 *ctrl) +{ + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + *ctrl |= MAC_CTRL_RMV_VLAN; + } else { + /* disable VLAN tag insert/strip */ + *ctrl &= ~MAC_CTRL_RMV_VLAN; + } +} + +static void atlx_vlan_mode(struct net_device *netdev, u32 features) { struct atlx_adapter *adapter = netdev_priv(netdev); unsigned long flags; @@ -220,27 +230,40 @@ static void atlx_vlan_rx_register(struct net_device *netdev, spin_lock_irqsave(&adapter->lock, flags); /* atlx_irq_disable(adapter); FIXME: confirm/remove */ - adapter->vlgrp = grp; - - if (grp) { - /* enable VLAN tag insert/strip */ - ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); - ctrl |= MAC_CTRL_RMV_VLAN; - iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); - } else { - /* disable VLAN tag insert/strip */ - ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); - ctrl &= ~MAC_CTRL_RMV_VLAN; - iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); - } - + ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); + __atlx_vlan_mode(features, &ctrl); + iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); /* atlx_irq_enable(adapter); FIXME */ spin_unlock_irqrestore(&adapter->lock, flags); } static void atlx_restore_vlan(struct atlx_adapter *adapter) { - atlx_vlan_rx_register(adapter->netdev, adapter->vlgrp); + atlx_vlan_mode(adapter->netdev, adapter->netdev->features); +} + +static u32 atlx_fix_features(struct net_device *netdev, u32 features) +{ + /* + * Since there is no support for separate rx/tx vlan accel + * enable/disable make sure tx flag is always in same state as rx. + */ + if (features & NETIF_F_HW_VLAN_RX) + features |= NETIF_F_HW_VLAN_TX; + else + features &= ~NETIF_F_HW_VLAN_TX; + + return features; +} + +static int atlx_set_features(struct net_device *netdev, u32 features) +{ + u32 changed = netdev->features ^ features; + + if (changed & NETIF_F_HW_VLAN_RX) + atlx_vlan_mode(netdev, features); + + return 0; } #endif /* ATLX_C */ |