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Commit 9c938cdd authored by Daniel Borkmann's avatar Daniel Borkmann Committed by David S. Miller
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ixgbe: support skb->xmit_more in netdev_ops->ndo_start_xmit() 



This implements the deferred tail pointer flush API for the ixgbe
driver. Similar version also proposed longer time ago by Alexander Duyck.

Signed-off-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0b725a2c

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+4 −3
Original line number Original line Diff line number Diff line
@@ -6958,9 +6958,10 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, 




	tx_ring->next_to_use = i;

	tx_ring->next_to_use = i;





	if (!skb->xmit_more) {

		/* notify HW of packet */

		/* notify HW of packet */

		ixgbe_write_tail(tx_ring, i);

		ixgbe_write_tail(tx_ring, i);



	}

	return;

	return;

dma_error:

dma_error:

	dev_err(tx_ring->dev, "TX DMA map failed\n");

	dev_err(tx_ring->dev, "TX DMA map failed\n");