[PATCH] net/i40e: reduce the ITR interval of multi-driver mode

Qiming Yang qiming.yang at intel.com
Fri Dec 16 04:11:40 CET 2022


This patch change the interrupt interval from 8160us to 32us
to improve the performance of multi-driver mode.

Signed-off-by: Qiming Yang <qiming.yang at intel.com>
---
 drivers/net/i40e/i40e_ethdev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index fe943a45ff..7c4cc44a27 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -1497,7 +1497,7 @@ i40e_calc_itr_interval(bool is_pf, bool is_multi_drv)
 	uint16_t interval = 0;
 
 	if (is_multi_drv) {
-		interval = I40E_QUEUE_ITR_INTERVAL_MAX;
+		interval = I40E_QUEUE_ITR_INTERVAL_DEFAULT;
 	} else {
 		if (is_pf)
 			interval = I40E_QUEUE_ITR_INTERVAL_DEFAULT;
-- 
2.25.1



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