net: stmmac: don't stop NAPI processing when dropping a packet

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Currently, if we drop a packet, we exit from NAPI loop before the budget
is consumed. In some situations this will make the RX processing stall
e.g. when flood pinging the system with oversized packets, as the
errorneous packets are not dropped efficiently.

If we drop a packet, we should just continue to the next one as long as
the budget allows.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Aaro Koskinen 2019-03-27 22:35:37 +02:00 • committed by David S. Miller

parent 972c9be784

commit 07b3975352

1 changed files with 7 additions and 7 deletions

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14

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

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