ixgbe: Fix usage of netif_*_all_queues() with netif_carrier_{off|on}()
netif_carrier_off() is sufficient to stop Tx into the driver. Stopping the Tx
queues is redundant and unnecessary. By the same token, netif_carrier_on()
will be sufficient to re-enable Tx, so waking the queues is unnecessary.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index bf36737..d2f4d5f 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2078,6 +2078,9 @@
ixgbe_irq_enable(adapter);
+ /* enable transmits */
+ netif_tx_start_all_queues(netdev);
+
/* bring the link up in the watchdog, this could race with our first
* link up interrupt but shouldn't be a problem */
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@@ -3479,7 +3482,6 @@
(FLOW_TX ? "TX" : "None"))));
netif_carrier_on(netdev);
- netif_tx_wake_all_queues(netdev);
} else {
/* Force detection of hung controller */
adapter->detect_tx_hung = true;
@@ -3491,7 +3493,6 @@
printk(KERN_INFO "ixgbe: %s NIC Link is Down\n",
netdev->name);
netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
}
}
@@ -4222,7 +4223,6 @@
}
netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
strcpy(netdev->name, "eth%d");
err = register_netdev(netdev);