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qlcnic: vlan lro support 

LRO + GRO + vlan rx accleration support, performance increases
around 20% and cpu utilization reduces around 70% on vlan interface.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Kumar Salecha 2010-09-16 19:14:41 +00:00 committed by David S. Miller
parent 5718d3b432
commit aec1e8452d
1 changed files with 30 additions and 9 deletions
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39
drivers/net/qlcnic/qlcnic_main.c
View File

@ -107,7 +107,7 @@ static irqreturn_t qlcnic_msi_intr(int irq, void *data);
static irqreturn_t qlcnic_msix_intr(int irq, void *data);
static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long);
static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
static int qlcnic_start_firmware(struct qlcnic_adapter *);
static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
@ -1759,7 +1759,7 @@ qlcnic_resume(struct pci_dev *pdev)
if (err)
goto done;
qlcnic_config_indev_addr(netdev, NETDEV_UP);
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
done:
netif_device_attach(netdev);
@ -2958,7 +2958,7 @@ qlcnic_attach_work(struct work_struct *work)
if (qlcnic_up(adapter, netdev))
goto done;
qlcnic_config_indev_addr(netdev, NETDEV_UP);
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
done:
@ -3120,7 +3120,7 @@ static int qlcnic_attach_func(struct pci_dev *pdev)
if (err)
goto done;
qlcnic_config_indev_addr(netdev, NETDEV_UP);
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
done:
netif_device_attach(netdev);
@ -4035,10 +4035,10 @@ qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
static void
qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
struct net_device *dev, unsigned long event)
{
struct in_device *indev;
struct qlcnic_adapter *adapter = netdev_priv(dev);
indev = in_dev_get(dev);
if (!indev)
@ -4062,6 +4062,27 @@ qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
in_dev_put(indev);
}
static void
qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct net_device *dev;
u16 vid;
qlcnic_config_indev_addr(adapter, netdev, event);
if (!adapter->vlgrp)
return;
for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
dev = vlan_group_get_device(adapter->vlgrp, vid);
if (!dev)
continue;
qlcnic_config_indev_addr(adapter, dev, event);
}
}
static int qlcnic_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
@ -4088,7 +4109,7 @@ static int qlcnic_netdev_event(struct notifier_block *this,
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
goto done;
qlcnic_config_indev_addr(dev, event);
qlcnic_config_indev_addr(adapter, dev, event);
done:
return NOTIFY_DONE;
}
@ -4105,7 +4126,7 @@ qlcnic_inetaddr_event(struct notifier_block *this,
dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
recheck:
if (dev == NULL || !netif_running(dev))
if (dev == NULL)
goto done;
if (dev->priv_flags & IFF_802_1Q_VLAN) {
@ -4148,7 +4169,7 @@ static struct notifier_block qlcnic_inetaddr_cb = {
};
#else
static void
qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
{ }
#endif
static struct pci_error_handlers qlcnic_err_handler = {