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authorStefan Bader <stefan.bader@canonical.com>2013-05-04 12:22:26 +0200
committerBen Hutchings <ben@decadent.org.uk>2013-05-13 15:02:42 +0100
commit03000102c151f4dab9a38aee831182df3be748d1 (patch)
tree9263e82d463c6ad69377ba8f50b2eaa741c41fb9
parent8431bc6fb3dc3784973cc9471197e34b16f38b3b (diff)
r8169: fix 8168evl frame padding.
commit e5195c1f31f399289347e043d6abf3ffa80f0005 upstream. Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Cc: hayeswang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--drivers/net/ethernet/realtek/r8169.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index d8127905c9c..f69ca462464 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5566,6 +5566,14 @@ 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;
@@ -5633,6 +5641,7 @@ 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;