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authorWolfram Sang <w.sang@pengutronix.de>2012-10-08 12:46:32 +0200
committerWolfram Sang <w.sang@pengutronix.de>2012-10-08 12:46:32 +0200
commit102084d3d3969646cc89ea159e50898aeafc6649 (patch)
treee92924469b3fab3ee6fa29e338e0a3a4cb167e82 /drivers/net/ethernet/intel/e1000/e1000_main.c
parent6ccbe607132bd823abbad8d32b13af89161707da (diff)
parent979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff)
Merge tag 'v3.6-rc7' into i2c-embedded/for-next
Linux 3.6-rc7 Needed to get updates from i2c-embedded/for-current into i2c-embedded/for-next
Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_main.c')
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 3bfbb8df8989..bde337ee1a34 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -3149,6 +3149,17 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
return NETDEV_TX_OK;
}
+ /* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
+ * packets may get corrupted during padding by HW.
+ * To WA this issue, pad all small packets manually.
+ */
+ if (skb->len < ETH_ZLEN) {
+ if (skb_pad(skb, ETH_ZLEN - skb->len))
+ return NETDEV_TX_OK;
+ skb->len = ETH_ZLEN;
+ skb_set_tail_pointer(skb, ETH_ZLEN);
+ }
+
mss = skb_shinfo(skb)->gso_size;
/* The controller does a simple calculation to
* make sure there is enough room in the FIFO before