mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
4834565bb4
Allow setting ageing time from 1 to 1,048,576 seconds. Signed-off-by: DENG Qingfang <dqfext@gmail.com> Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com> Tested-by: Stijn Tintel <stijn@linux-ipv6.be>
100 lines
3.1 KiB
Diff
100 lines
3.1 KiB
Diff
From ea6d5c924e391872d402acac38461a5f8261e57f Mon Sep 17 00:00:00 2001
|
|
From: DENG Qingfang <dqfext@gmail.com>
|
|
Date: Tue, 8 Dec 2020 15:00:28 +0800
|
|
Subject: [PATCH] net: dsa: mt7530: support setting ageing time
|
|
|
|
MT7530 has a global address age control register, so use it to set
|
|
ageing time.
|
|
|
|
The applied timer is (AGE_CNT + 1) * (AGE_UNIT + 1) seconds
|
|
|
|
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
|
|
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
|
|
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
|
|
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
|
|
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
---
|
|
drivers/net/dsa/mt7530.c | 41 ++++++++++++++++++++++++++++++++++++++++
|
|
drivers/net/dsa/mt7530.h | 13 +++++++++++++
|
|
2 files changed, 54 insertions(+)
|
|
|
|
--- a/drivers/net/dsa/mt7530.c
|
|
+++ b/drivers/net/dsa/mt7530.c
|
|
@@ -870,6 +870,46 @@ mt7530_get_sset_count(struct dsa_switch
|
|
return ARRAY_SIZE(mt7530_mib);
|
|
}
|
|
|
|
+static int
|
|
+mt7530_set_ageing_time(struct dsa_switch *ds, unsigned int msecs)
|
|
+{
|
|
+ struct mt7530_priv *priv = ds->priv;
|
|
+ unsigned int secs = msecs / 1000;
|
|
+ unsigned int tmp_age_count;
|
|
+ unsigned int error = -1;
|
|
+ unsigned int age_count;
|
|
+ unsigned int age_unit;
|
|
+
|
|
+ /* Applied timer is (AGE_CNT + 1) * (AGE_UNIT + 1) seconds */
|
|
+ if (secs < 1 || secs > (AGE_CNT_MAX + 1) * (AGE_UNIT_MAX + 1))
|
|
+ return -ERANGE;
|
|
+
|
|
+ /* iterate through all possible age_count to find the closest pair */
|
|
+ for (tmp_age_count = 0; tmp_age_count <= AGE_CNT_MAX; ++tmp_age_count) {
|
|
+ unsigned int tmp_age_unit = secs / (tmp_age_count + 1) - 1;
|
|
+
|
|
+ if (tmp_age_unit <= AGE_UNIT_MAX) {
|
|
+ unsigned int tmp_error = secs -
|
|
+ (tmp_age_count + 1) * (tmp_age_unit + 1);
|
|
+
|
|
+ /* found a closer pair */
|
|
+ if (error > tmp_error) {
|
|
+ error = tmp_error;
|
|
+ age_count = tmp_age_count;
|
|
+ age_unit = tmp_age_unit;
|
|
+ }
|
|
+
|
|
+ /* found the exact match, so break the loop */
|
|
+ if (!error)
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ mt7530_write(priv, MT7530_AAC, AGE_CNT(age_count) | AGE_UNIT(age_unit));
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
|
|
{
|
|
struct mt7530_priv *priv = ds->priv;
|
|
@@ -2699,6 +2739,7 @@ static const struct dsa_switch_ops mt753
|
|
.phy_write = mt753x_phy_write,
|
|
.get_ethtool_stats = mt7530_get_ethtool_stats,
|
|
.get_sset_count = mt7530_get_sset_count,
|
|
+ .set_ageing_time = mt7530_set_ageing_time,
|
|
.port_enable = mt7530_port_enable,
|
|
.port_disable = mt7530_port_disable,
|
|
.port_change_mtu = mt7530_port_change_mtu,
|
|
--- a/drivers/net/dsa/mt7530.h
|
|
+++ b/drivers/net/dsa/mt7530.h
|
|
@@ -161,6 +161,19 @@ enum mt7530_vlan_egress_attr {
|
|
MT7530_VLAN_EGRESS_STACK = 3,
|
|
};
|
|
|
|
+/* Register for address age control */
|
|
+#define MT7530_AAC 0xa0
|
|
+/* Disable ageing */
|
|
+#define AGE_DIS BIT(20)
|
|
+/* Age count */
|
|
+#define AGE_CNT_MASK GENMASK(19, 12)
|
|
+#define AGE_CNT_MAX 0xff
|
|
+#define AGE_CNT(x) (AGE_CNT_MASK & ((x) << 12))
|
|
+/* Age unit */
|
|
+#define AGE_UNIT_MASK GENMASK(11, 0)
|
|
+#define AGE_UNIT_MAX 0xfff
|
|
+#define AGE_UNIT(x) (AGE_UNIT_MASK & (x))
|
|
+
|
|
/* Register for port STP state control */
|
|
#define MT7530_SSP_P(x) (0x2000 + ((x) * 0x100))
|
|
#define FID_PST(x) ((x) & 0x3)
|