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macb: Add rx overrun counter 

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Alexander Stein 2011-04-13 05:03:24 +00:00 committed by David S. Miller
parent 8b5933c380
commit b19f7f71b6
1 changed files with 7 additions and 1 deletions
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8
drivers/net/macb.c
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@ -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;