This increases TX timeout period from one second to 5 seconds which is
the default value if the driver doesn't explicitly set
net_device->watchdog_timeo.
The one second timeout is too short for W5100 with SPI interface mode
which doesn't support burst READ/WRITE processing in the SPI transfer.
If the packet is transmitted while RX packets are being received at a
very high rate, the TX transmittion work in the workqueue is delayed
and the watchdog timer is expired.
Signed-off-by: Akinobu Mita <akinobu.m...@gmail.com>
Cc: Mike Sinkovsky <ms...@permonline.ru>
Cc: David S. Miller <da...@davemloft.net>
---
* v2
- Remove the watchdong_timeo assignment to set default tx timeout,
suggested by David Miller.
drivers/net/ethernet/wiznet/w5100.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/ethernet/wiznet/w5100.c
b/drivers/net/ethernet/wiznet/w5100.c
index c80438c..43fdf88 100644
--- a/drivers/net/ethernet/wiznet/w5100.c
+++ b/drivers/net/ethernet/wiznet/w5100.c
@@ -1142,7 +1142,6 @@ int w5100_probe(struct device *dev, const struct
w5100_ops *ops,
ndev->netdev_ops = &w5100_netdev_ops;
ndev->ethtool_ops = &w5100_ethtool_ops;
- ndev->watchdog_timeo = HZ;
netif_napi_add(ndev, &priv->napi, w5100_napi_poll, 16);
/* This chip doesn't support VLAN packets with normal MTU,
--
2.7.4
