Re: [PATCH] net: add ability to clear stats via ethtool - e1000/pcnet32
From: James Cammarata <hidden>
Date: 2008-05-29 02:07:01
Also in:
lkml
Missed an errant define in some copied code (from the get_stats function in e1000_main.c). Signed-off-by: James Cammarata <redacted> ---
--- linux-2.6.25.4/drivers/net/e1000/e1000_main.c 2008-05-15 10:00:12.000000000 -0500
+++ linux-2.6.25.4-jcammara/drivers/net/e1000/e1000_main.c 2008-05-28 21:06:19.000000000 -0500@@ -141,6 +141,7 @@ static void e1000_free_tx_resources(stru static void e1000_free_rx_resources(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring); void e1000_update_stats(struct e1000_adapter *adapter); +void e1000_clear_stats(struct e1000_adapter *adapter); static int e1000_init_module(void); static void e1000_exit_module(void);
@@ -3819,6 +3820,29 @@ e1000_update_stats(struct e1000_adapter spin_unlock_irqrestore(&adapter->stats_lock, flags); } +void +e1000_clear_stats(struct e1000_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + unsigned long flags; + + /* + * Prevent stats update while adapter is being reset, or if the pci + * connection is down. + */ + if (adapter->link_speed == 0) + return; + if (pci_channel_offline(pdev)) + return; + + spin_lock_irqsave(&adapter->stats_lock, flags); + + memset(&adapter->stats, 0, sizeof(struct e1000_hw_stats)); + memset(&adapter->net_stats, 0, sizeof(struct net_device_stats)); + + spin_unlock_irqrestore(&adapter->stats_lock, flags); +} + /** * e1000_intr_msi - Interrupt Handler * @irq: interrupt number