From: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
commit e5195c1f31f399289347e043d6abf3ffa80f0005 upstream.
Signed-off-by: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
Acked-by: Francois Romieu <romieu@xxxxxxxxxxxxx>
Cc: hayeswang <hayeswang@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
drivers/net/ethernet/realtek/r8169.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index a32d221..de68de3 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5530,6 +5530,14 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
goto err_stop_0;
}
+ /* 8168evl does not automatically pad to minimum length. */
+ if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 &&
+ skb->len < ETH_ZLEN)) {
+ if (skb_padto(skb, ETH_ZLEN))
+ goto err_update_stats;
+ skb_put(skb, ETH_ZLEN - skb->len);
+ }
+
if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
goto err_stop_0;
@@ -5601,6 +5609,7 @@ err_dma_1:
rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
err_dma_0:
dev_kfree_skb(skb);
+err_update_stats:
dev->stats.tx_dropped++;
return NETDEV_TX_OK;
--
1.8.1.4
--
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