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[ upstream commit 1d973d8 ] Add per-tx-ring flag for packets that were pushed to HW but await doorbell. That is to prevent a situation when a doorbell is sent due to reaching Tx burst threshold and next send fails (e.g., due to queue full). In such case we shouldn't send another doorbell because there are no actual packets waiting for transmission. Fixes: c7519ea ("net/ena: call additional doorbells if needed") Signed-off-by: Igor Chauskin <igorch@amazon.com> Reviewed-by: Michal Krawczyk <mk@semihalf.com>
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