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igc: Add 64 bit DMA access support

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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>
This commit is contained in:
Sasha Neftin 2019-11-13 11:27:29 +02:00 committed by Jeff Kirsher
parent 86efeccd5a
commit 4439dc427d
1 changed files with 3 additions and 0 deletions
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drivers/net/ethernet/intel/igc/igc_main.c
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@ -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;