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authorAlexander Duyck <alexander.h.duyck@intel.com>2012-02-08 07:50:40 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-03-17 01:06:47 -0700
commita50c29dd09ed14f8489677813a4b1c8b62dcf19d (patch)
tree45d28e67b4fd04ce6df4c9c974d51d14a28f92d3 /drivers/net/ethernet/intel
parent655309e944fd482e59850d55186571c1b2a91e55 (diff)
ixgbe: Make certain that all frames fit minimum size requirements
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>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index db1f17c3ed4..bf6d122e6f9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7162,11 +7162,27 @@ out_drop:
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_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];
return ixgbe_xmit_frame_ring(skb, adapter, tx_ring);
}