i40e/i40evf: Update DESC_NEEDED value to reflect larger value

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When compared to ixgbe and other previous Intel drivers the i40e and i40evf
drivers actually reserve 2 additional descriptors in maybe_stop_tx for
cache line alignment. We need to update DESC_NEEDED to reflect this as
otherwise we are more likely to return TX_BUSY which will cause issues with
things like xmit_more.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Alexander Duyck 2018-01-26 08:54:45 -08:00 • committed by David S. Miller

parent 0bc0b97fca

commit 0a797db323

2 changed files with 2 additions and 2 deletions

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2

drivers/net/ethernet/intel/i40e/i40e_txrx.h

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2

drivers/net/ethernet/intel/i40evf/i40e_txrx.h

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