[PATCH] dpaa_eth: use AVOIDBLOCK for Tx confirmation queues

[PATCH] dpaa_eth: use AVOIDBLOCK for Tx confirmation queues

[Madalin Bucur]

The AVOIDBLOCK flag determines the Tx confirmation queues processing
to be redirected to any available CPU when the current one is slow
in processing them. This may result in a higher Tx confirmation
interrupt count but may reduce pressure on a certain CPU that with
the previous setting would process all Tx confirmation frames.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index d4bb8bf..9a520e4 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -974,7 +974,7 @@ static int dpaa_fq_init(struct dpaa_fq *dpaa_fq, bool td_enable)
 		 * Tx Confirmation FQs.
 		 */
 		if (dpaa_fq->fq_type == FQ_TYPE_TX_CONFIRM)
-			initfq.fqd.fq_ctrl |= cpu_to_be16(QM_FQCTRL_HOLDACTIVE);
+			initfq.fqd.fq_ctrl |= cpu_to_be16(QM_FQCTRL_AVOIDBLOCK);
 
 		/* FQ placement */
 		initfq.we_mask |= cpu_to_be16(QM_INITFQ_WE_DESTWQ);
-- 
2.1.0

Re: [PATCH] dpaa_eth: use AVOIDBLOCK for Tx confirmation queues

[David Miller]

From: Madalin Bucur <madalin.bucur@nxp.com>
Date: Thu, 30 Mar 2017 16:24:15 +0300

> The AVOIDBLOCK flag determines the Tx confirmation queues processing
> to be redirected to any available CPU when the current one is slow
> in processing them. This may result in a higher Tx confirmation
> interrupt count but may reduce pressure on a certain CPU that with
> the previous setting would process all Tx confirmation frames.
> 
> Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>

Applied, thanks.