[dpdk-dev] [PATCH] bus/fslmc: change the eqcr stashing threshold to 1
Nipun Gupta
nipun.gupta at nxp.com
Wed Jan 3 16:39:04 CET 2018
Changing the EQCR stashing threshold boosts the performance
of l3fwd application on LS2088 by more than 20% as it helps
in burst packet processing at the Tx side. CPU is immediately
informed about the empty EQCR entries once consumed by the
hardware.
Signed-off-by: Nipun Gupta <nipun.gupta at nxp.com>
---
drivers/bus/fslmc/qbman/qbman_sys.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bus/fslmc/qbman/qbman_sys.h b/drivers/bus/fslmc/qbman/qbman_sys.h
index c216e9c..d2253bd 100644
--- a/drivers/bus/fslmc/qbman/qbman_sys.h
+++ b/drivers/bus/fslmc/qbman/qbman_sys.h
@@ -358,7 +358,7 @@ static inline int qbman_swp_sys_init(struct qbman_swp_sys *s,
reg = qbman_set_swp_cfg(dqrr_size, 0, 0, 3, 2, 3, 1, 1, 1, 1,
1, 1);
else
- reg = qbman_set_swp_cfg(dqrr_size, 0, 2, 3, 2, 2, 1, 1, 1, 1,
+ reg = qbman_set_swp_cfg(dqrr_size, 0, 1, 3, 2, 2, 1, 1, 1, 1,
1, 1);
qbman_cinh_write(s, QBMAN_CINH_SWP_CFG, reg);
reg = qbman_cinh_read(s, QBMAN_CINH_SWP_CFG);
--
1.9.1
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