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ixgbe: Make certain that all frames fit minimum size requirements

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This change makes certain that any packet we attempt to transmit will meet
minimum size requirements for the hardware.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2012-02-08 07:50:40 +00:00 committed by Jeff Kirsher
parent 655309e944
commit a50c29dd09
1 changed files with 17 additions and 1 deletions
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18
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -7162,11 +7162,27 @@ out_drop:
return NETDEV_TX_OK; return NETDEV_TX_OK;
} }
static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
struct net_device *netdev)
{ {
struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_ring *tx_ring; struct ixgbe_ring *tx_ring;
if (skb->len <= 0) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
/*
* The minimum packet size for olinfo paylen is 17 so pad the skb
* in order to meet this minimum size requirement.
*/
if (skb->len < 17) {
if (skb_padto(skb, 17))
return NETDEV_TX_OK;
skb->len = 17;
}
tx_ring = adapter->tx_ring[skb->queue_mapping]; tx_ring = adapter->tx_ring[skb->queue_mapping];
return ixgbe_xmit_frame_ring(skb, adapter, tx_ring); return ixgbe_xmit_frame_ring(skb, adapter, tx_ring);
} }