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Commit 59486329 authored by Alexander Duyck's avatar Alexander Duyck Committed by David S. Miller
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fm10k: Do not assume budget will never be 0 for NAPI 



The netpoll path will call napi->poll with a budget of 0 in order to clean
the Tx rings only.  This change updates the fm10k driver so that it will
correctly support that instead of cleaning 1 Rx frame if a budget of 0 is
received.

Signed-off-by: default avatarAlexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4212b543

drivers/net/ethernet/intel/fm10k/fm10k_main.c

+2 −2
Original line number Diff line number Diff line
@@ -610,7 +610,7 @@ static bool fm10k_clean_rx_irq(struct fm10k_q_vector *q_vector, 
	unsigned int total_bytes = 0, total_packets = 0;

	u16 cleaned_count = fm10k_desc_unused(rx_ring);



	do {

	while (likely(total_packets < budget)) {

		union fm10k_rx_desc *rx_desc;



		/* return some buffers to hardware, one at a time is too slow */
@@ -659,7 +659,7 @@ static bool fm10k_clean_rx_irq(struct fm10k_q_vector *q_vector, 


		/* update budget accounting */

		total_packets++;

	} while (likely(total_packets < budget));

	}



	/* place incomplete frames back on ring for completion */

	rx_ring->skb = skb;