diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/764-v5.11-net-dsa-mt7530-support-setting-ageing-time.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/764-v5.11-net-dsa-mt7530-support-setting-ageing-time.patch | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/target/linux/generic/backport-5.10/764-v5.11-net-dsa-mt7530-support-setting-ageing-time.patch b/target/linux/generic/backport-5.10/764-v5.11-net-dsa-mt7530-support-setting-ageing-time.patch deleted file mode 100644 index 0b28a4626e..0000000000 --- a/target/linux/generic/backport-5.10/764-v5.11-net-dsa-mt7530-support-setting-ageing-time.patch +++ /dev/null @@ -1,99 +0,0 @@ -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 -@@ -873,6 +873,46 @@ 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; -@@ -2697,6 +2737,7 @@ 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) |