ixgbe: Introduce Multiqueue TX
Now that the irq vector code is in place, we can add the conditional
multiqueue TX code in the driver. This requires the optional
CONFIG_NETDEVICES_MULTIQUEUE=y and will not be enabled without
it.
Signed-off-by: Ayyappan Veeraiyan <ayyappan.veeraiyan@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Acked-by: Waskiewicz Jr, Peter P <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index a119cbd..85b7d15 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -246,13 +246,26 @@
static int ixgbe_set_tso(struct net_device *netdev, u32 data)
{
-
if (data) {
netdev->features |= NETIF_F_TSO;
netdev->features |= NETIF_F_TSO6;
} else {
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int i;
+#endif
+ netif_stop_queue(netdev);
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ netif_stop_subqueue(netdev, i);
+#endif
netdev->features &= ~NETIF_F_TSO;
netdev->features &= ~NETIF_F_TSO6;
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ netif_start_subqueue(netdev, i);
+#endif
+ netif_start_queue(netdev);
}
return 0;
}