@@ -17,6 +17,7 @@
#include <pci.h>
#include <linux/compiler.h>
#include <linux/err.h>
+#include <linux/kernel.h>
#include <asm/io.h>
#include <power/regulator.h>
#include "designware.h"
@@ -343,6 +344,8 @@ int designware_eth_enable(struct dw_eth_dev *priv)
return 0;
}
+#define ETH_ZLEN 60
+
static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length)
{
struct eth_dma_regs *dma_p = priv->dma_regs_p;
@@ -369,6 +372,8 @@ static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length)
return -EPERM;
}
+ length = max(length, ETH_ZLEN);
+
memcpy((void *)data_start, packet, length);
/* Flush data to be sent */
Make sure that we pad small packets to a minimum length of 60 bytes (without FCS). This is necessary to interface with Ethernet switches that will reject RUNT frames unless padded correctly. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- drivers/net/designware.c | 5 +++++ 1 file changed, 5 insertions(+)