[PATCH] Spidernet: add ethtool -S (show statistics)

Add the ethtool -S (show statistics) feature to the Spidernet ethernet
driver.  I have tested it extensively and believe it is ready to be
applied.

Signed-off-by: James K Lewis <jklewis@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 2e80882b345a..a59deda2f95e 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -415,6 +415,15 @@ struct spider_net_options {
                                           NETIF_MSG_HW | \
                                           NETIF_MSG_WOL )
 
+struct spider_net_extra_stats {
+        unsigned long rx_desc_error;
+        unsigned long tx_timeouts;
+        unsigned long alloc_rx_skb_error;
+        unsigned long rx_iommu_map_error;
+        unsigned long tx_iommu_map_error;
+        unsigned long rx_desc_unk_state;
+};
+
 struct spider_net_card {
         struct net_device *netdev;
         struct pci_dev *pdev;
@@ -439,9 +448,9 @@ struct spider_net_card {
 
         /* for ethtool */
         int msg_enable;
-
         int rx_desc;
         int tx_desc;
+        struct spider_net_extra_stats spider_stats;
 
         struct spider_net_descr descr[0];
 };