bus/fslmc: change EQCR stashing threshold to 1

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@nxp.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>

diff --git a/drivers/bus/fslmc/qbman/qbman_sys.h b/drivers/bus/fslmc/qbman/qbman_sys.h
index c798809..846788e 100644 (file)
--- a/drivers/bus/fslmc/qbman/qbman_sys.h
+++ b/drivers/bus/fslmc/qbman/qbman_sys.h
@@ -336,7 +336,7 @@ 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);