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bnx2x: skip Rx producer refresh when no packet

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Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com>
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Rasesh Mody 2015-12-11 10:31:54 -08:00 committed by Thomas Monjalon
parent 638f2066a6
commit c6eedc5220
1 changed files with 3 additions and 0 deletions
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drivers/net/bnx2x/bnx2x_rxtx.c
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@ -374,6 +374,9 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
sw_cq_cons = rxq->rx_cq_head;
sw_cq_prod = rxq->rx_cq_tail;
if (sw_cq_cons == hw_cq_cons)
return 0;
while (nb_rx < nb_pkts && sw_cq_cons != hw_cq_cons) {
bd_prod &= MAX_RX_BD(rxq);