From b19f7f71b6fa5e0c49f65082044b8a2ff1009f00 Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Wed, 13 Apr 2011 05:03:24 +0000 Subject: [PATCH] macb: Add rx overrun counter Signed-off-by: Alexander Stein Signed-off-by: David S. Miller --- drivers/net/macb.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 2cb4e792f87..629bd2649c0 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; -- 2.20.1