treewide: remove files for building 5.10 kernel
[openwrt/openwrt.git] / target / linux / generic / backport-5.10 / 764-v5.11-net-dsa-mt7530-support-setting-ageing-time.patch
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 (file)
index 0b28a46..0000000
+++ /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)