lkml.org 
[lkml]   [2021]   [Nov]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[net-next PATCH 12/19] net: dsa: qca8k: add set_ageing_time support
Date
qca8k support setting ageing time in set of 7s. Add support for it and
return error with value greater than the max value accepted of 7645m.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---
drivers/net/dsa/qca8k.c | 18 ++++++++++++++++++
drivers/net/dsa/qca8k.h | 3 +++
2 files changed, 21 insertions(+)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index a74099131e3d..50f19549b97d 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1833,6 +1833,23 @@ qca8k_port_fast_age(struct dsa_switch *ds, int port)
mutex_unlock(&priv->reg_mutex);
}

+static int
+qca8k_set_ageing_time(struct dsa_switch *ds, unsigned int msecs)
+{
+ struct qca8k_priv *priv = ds->priv;
+ unsigned int secs = msecs / 1000;
+ u32 val;
+
+ /* AGE_TIME reg is set in 7s step */
+ val = secs / 7;
+
+ if (val > FIELD_MAX(QCA8K_ATU_AGE_TIME_MASK))
+ return -ERANGE;
+
+ return regmap_update_bits(priv->regmap, QCA8K_REG_ATU_CTRL, QCA8K_ATU_AGE_TIME_MASK,
+ QCA8K_ATU_AGE_TIME(val));
+}
+
static int
qca8k_port_enable(struct dsa_switch *ds, int port,
struct phy_device *phy)
@@ -2125,6 +2142,7 @@ static const struct dsa_switch_ops qca8k_switch_ops = {
.get_strings = qca8k_get_strings,
.get_ethtool_stats = qca8k_get_ethtool_stats,
.get_sset_count = qca8k_get_sset_count,
+ .set_ageing_time = qca8k_set_ageing_time,
.get_mac_eee = qca8k_get_mac_eee,
.set_mac_eee = qca8k_set_mac_eee,
.port_enable = qca8k_port_enable,
diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h
index d25afdab4dea..e1298179d7cb 100644
--- a/drivers/net/dsa/qca8k.h
+++ b/drivers/net/dsa/qca8k.h
@@ -175,6 +175,9 @@
#define QCA8K_VTU_FUNC1_BUSY BIT(31)
#define QCA8K_VTU_FUNC1_VID_MASK GENMASK(27, 16)
#define QCA8K_VTU_FUNC1_FULL BIT(4)
+#define QCA8K_REG_ATU_CTRL 0x618
+#define QCA8K_ATU_AGE_TIME_MASK GENMASK(15, 0)
+#define QCA8K_ATU_AGE_TIME(x) FIELD_PREP(QCA8K_ATU_AGE_TIME_MASK, (x))
#define QCA8K_REG_GLOBAL_FW_CTRL0 0x620
#define QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN BIT(10)
#define QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM GENMASK(7, 4)
--
2.32.0
\
 
 \ /
  Last update: 2021-11-17 22:07    [W:0.198 / U:0.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site