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net: dsa: qca8k: add set_ageing_time support 

qca8k support setting ageing time in step of 7s. Add support for it and
set the max value accepted of 7645m.
Documentation talks about support for 10000m but that values doesn't
make sense as the value doesn't match the max value in the reg.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ansuel Smith 2021-11-22 16:23:47 +01:00 committed by David S. Miller
parent 4592538bfb
commit 6a3bdc5209
2 changed files with 28 additions and 0 deletions
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25
drivers/net/dsa/qca8k.c
View File

@ -1257,6 +1257,10 @@ qca8k_setup(struct dsa_switch *ds)
/* We don't have interrupts for link changes, so we need to poll */
ds->pcs_poll = true;
/* Set min a max ageing value supported */
ds->ageing_time_min = 7000;
ds->ageing_time_max = 458745000;
return 0;
}
@ -1796,6 +1800,26 @@ 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;
/* Handle case with 0 as val to NOT disable
* learning
*/
if (!val)
val = 1;
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)
@ -1995,6 +2019,7 @@ 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,

3
drivers/net/dsa/qca8k.h
View File

@ -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_REG_GLOBAL_FW_CTRL1 0x624