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>

diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 9eb0ced..17124f6 100644 (file)
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -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 @@ attach:
                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 @@ recheck:
        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 = {