Needs to reset rxq->rxrearm_start to 0 when reset_rx_queue(),
otherwise, the random value of rxrearm_start will cause performance drop
due to L3 contested accesses.
Fixes: 69dd4c3d0898 ("net/avf: enable queue and device")
Signed-off-by: Leyi Rong <leyi.r...@intel.com>
---
drivers/net/iavf/iavf_rxtx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 8f43208c80..21d508b3f4 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -195,6 +195,7 @@ reset_rx_queue(struct iavf_rx_queue *rxq)
rxq->pkt_first_seg = NULL;
rxq->pkt_last_seg = NULL;
rxq->rxrearm_nb = 0;
+ rxq->rxrearm_start = 0;
}
static inline void
--
2.17.1
