forcedeth: Account for consumed budget in napi poll
Repeated calls to nv_rx_process in napi poll routine do not take
portion of budget that has been consumed in previous calls. Fix by
subtracting the number of packets processed.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index f9e1dd48..e282d0a 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -3564,14 +3564,15 @@
tx_work += nv_tx_done(dev, np->tx_ring_size);
spin_unlock_irqrestore(&np->lock, flags);
- rx_count = nv_rx_process(dev, budget);
+ rx_count = nv_rx_process(dev, budget - rx_work);
retcode = nv_alloc_rx(dev);
} else {
spin_lock_irqsave(&np->lock, flags);
tx_work += nv_tx_done_optimized(dev, np->tx_ring_size);
spin_unlock_irqrestore(&np->lock, flags);
- rx_count = nv_rx_process_optimized(dev, budget);
+ rx_count = nv_rx_process_optimized(dev,
+ budget - rx_work);
retcode = nv_alloc_rx_optimized(dev);
}
} while (retcode == 0 &&