Enable MAC ageing by setting up the timer and setting the ageging
time to the default of 300s.
Signed-off-by: Michael Dege <michael.dege@xxxxxxxxxxx>
---
drivers/net/ethernet/renesas/rswitch.h | 14 +++++++++++++-
drivers/net/ethernet/renesas/rswitch_main.c | 11 ++++++++++-
2 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h
index 532192cbca4b520e06a7e35653929d8364f1ccb2..131034d5d992eb59fd2299fa25de3a65285d29ad 100644
--- a/drivers/net/ethernet/renesas/rswitch.h
+++ b/drivers/net/ethernet/renesas/rswitch.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Renesas Ethernet Switch device driver
*
- * Copyright (C) 2022 Renesas Electronics Corporation
+ * Copyright (C) 2022-2025 Renesas Electronics Corporation
*/
#ifndef __RSWITCH_H__
@@ -826,6 +826,18 @@ enum rswitch_gwca_mode {
#define FWPBFCSDC(j, i) (FWPBFCSDC00 + (i) * 0x10 + (j) * 0x04)
+#define FWMACAGUSPC_MACAGUSP GENMASK(9, 0)
+#define FWMACAGC_MACAGT GENMASK(15, 0)
+#define FWMACAGC_MACAGE BIT(16)
+#define FWMACAGC_MACAGSL BIT(17)
+#define FWMACAGC_MACAGPM BIT(18)
+#define FWMACAGC_MACDES BIT(24)
+#define FWMACAGC_MACAGOG BIT(28)
+#define FWMACAGC_MACDESOG BIT(29)
+
+#define RSW_AGEING_CLK_PER_US 0x140
+#define RSW_AGEING_TIME 300
+
/* TOP */
#define TPEMIMC7(queue) (TPEMIMC70 + (queue) * 4)
diff --git a/drivers/net/ethernet/renesas/rswitch_main.c b/drivers/net/ethernet/renesas/rswitch_main.c
index aba772e14555d30891dc74a5a123121dad77e92b..99019ad9de224eaf1c4128bd29609b24d1a6f263 100644
--- a/drivers/net/ethernet/renesas/rswitch_main.c
+++ b/drivers/net/ethernet/renesas/rswitch_main.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/* Renesas Ethernet Switch device driver
*
- * Copyright (C) 2022 Renesas Electronics Corporation
+ * Copyright (C) 2022-2025 Renesas Electronics Corporation
*/
#include <linux/clk.h>
@@ -113,6 +113,7 @@ static void rswitch_fwd_init(struct rswitch_private *priv)
{
u32 all_ports_mask = GENMASK(RSWITCH_NUM_AGENTS - 1, 0);
unsigned int i;
+ u32 reg_val;
/* Start with empty configuration */
for (i = 0; i < RSWITCH_NUM_AGENTS; i++) {
@@ -128,6 +129,14 @@ static void rswitch_fwd_init(struct rswitch_private *priv)
iowrite32(0, priv->addr + FWPBFC(i));
}
+ /* Configure MAC table aging */
+ rswitch_modify(priv->addr, FWMACAGUSPC, FWMACAGUSPC_MACAGUSP,
+ FIELD_PREP(FWMACAGUSPC_MACAGUSP, RSW_AGEING_CLK_PER_US));
+
+ reg_val = FIELD_PREP(FWMACAGC_MACAGT, RSW_AGEING_TIME);
+ reg_val |= FWMACAGC_MACAGE | FWMACAGC_MACAGSL;
+ iowrite32(reg_val, priv->addr + FWMACAGC);
+
/* For enabled ETHA ports, setup port based forwarding */
rswitch_for_each_enabled_port(priv, i) {
/* Port based forwarding from port i to GWCA port */
--
2.50.1
