r8169: improve rtl_rx

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There's no need to check min(budget, NUM_RX_DESC). At first budget
(NAPI_POLL_WEIGHT = 64) is less then NUM_RX_DESC (256).
And more important: Even in case of budget > NUM_RX_DESC we could
safely continue processing descriptors as long as they are owned by
the CPU. In addition replace rx_left with a normal counter variable,
this allows to simplify the code. Last but not least there's no need
any longer to pass the budget as an u32.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Heiner Kallweit 2020-12-06 01:00:07 +01:00 • committed by David S. Miller

parent 00649542f1

commit 2f53e9d7bc

1 changed files with 5 additions and 10 deletions

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drivers/net/ethernet/realtek/r8169_main.c

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