i40e, xsk: move buffer allocation out of the Rx processing loop

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Instead of checking in each iteration of the Rx packet processing
loop, move the allocation out of the loop and do it once for each napi
activation.

For AF_XDP the rx_drop benchmark was improved by 6%.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

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Björn Töpel 2020-08-25 13:35:56 +02:00 • committed by Tony Nguyen

parent f0064bfd96

commit 8cbf741499

1 changed files with 4 additions and 8 deletions

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drivers/net/ethernet/intel/i40e/i40e_xsk.c

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