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authorAlexander Stein <alexander.stein@systec-electronic.com>2011-04-13 07:03:24 +0200
committerDavid S. Miller <davem@davemloft.net>2011-04-13 20:50:08 +0200
commitb19f7f71b6fa5e0c49f65082044b8a2ff1009f00 (patch)
tree2b203a34682332c7b291681e00bb2113fce2b5f2
parentnet: ethtool support to configure number of channels (diff)
downloadlinux-b19f7f71b6fa5e0c49f65082044b8a2ff1009f00.tar.xz
linux-b19f7f71b6fa5e0c49f65082044b8a2ff1009f00.zip
macb: Add rx overrun counter
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/macb.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 2cb4e792f871..629bd2649c0c 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -576,6 +576,11 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
* add that if/when we get our hands on a full-blown MII PHY.
*/
+ if (status & MACB_BIT(ISR_ROVR)) {
+ /* We missed at least one packet */
+ bp->hw_stats.rx_overruns++;
+ }
+
if (status & MACB_BIT(HRESP)) {
/*
* TODO: Reset the hardware, and maybe move the printk
@@ -1024,7 +1029,8 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev)
hwstat->rx_jabbers +
hwstat->rx_undersize_pkts +
hwstat->rx_length_mismatch);
- nstat->rx_over_errors = hwstat->rx_resource_errors;
+ nstat->rx_over_errors = hwstat->rx_resource_errors +
+ hwstat->rx_overruns;
nstat->rx_crc_errors = hwstat->rx_fcs_errors;
nstat->rx_frame_errors = hwstat->rx_align_errors;
nstat->rx_fifo_errors = hwstat->rx_overruns;