Commit 4439dc42 authored Nov 13, 2019 by Sasha Neftin Committed by Jeff Kirsher Dec 31, 2019

igc: Add 64 bit DMA access support



On relevant platforms ndo_start_xmit can handle socket buffer
fragments in high memory

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 86efeccd

drivers/net/ethernet/intel/igc/igc_main.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -4445,6 +4445,9 @@ static int igc_probe(struct pci_dev *pdev,
		netdev->hw_features \|= NETIF_F_NTUPLE;
		netdev->hw_features \|= netdev->features;

		if (pci_using_dac)
		netdev->features \|= NETIF_F_HIGHDMA;

		/* MTU range: 68 - 9216 */
		netdev->min_mtu = ETH_MIN_MTU;
		netdev->max_mtu = MAX_STD_JUMBO_FRAME_SIZE;

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