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* [PATCH net v2 1/1] net: dsa: qca: ar9331: make proper initial port defaults
@ 2021-08-03 8:53 Oleksij Rempel
2021-08-03 9:06 ` Vladimir Oltean
0 siblings, 1 reply; 4+ messages in thread
From: Oleksij Rempel @ 2021-08-03 8:53 UTC (permalink / raw)
To: Andrew Lunn, Vivien Didelot, Florian Fainelli, Vladimir Oltean,
David S. Miller, Jakub Kicinski, Russell King
Cc: Oleksij Rempel, Pengutronix Kernel Team, netdev, linux-kernel,
linux-mips
Make sure that all external port are actually isolated from each other,
so no packets are leaked.
Fixes: ec6698c272de ("net: dsa: add support for Atheros AR9331 built-in switch")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
changes v2:
- do not enable address learning by default
drivers/net/dsa/qca/ar9331.c | 98 +++++++++++++++++++++++++++++++++++-
1 file changed, 97 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
index 6686192e1883..de7c06b6c85f 100644
--- a/drivers/net/dsa/qca/ar9331.c
+++ b/drivers/net/dsa/qca/ar9331.c
@@ -101,6 +101,46 @@
AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \
AR9331_SW_PORT_STATUS_SPEED_M)
+#define AR9331_SW_REG_PORT_CTRL(_port) (0x104 + (_port) * 0x100)
+#define AR9331_SW_PORT_CTRL_ING_MIRROR_EN BIT(17)
+#define AR9331_SW_PORT_CTRL_EG_MIRROR_EN BIT(16)
+#define AR9331_SW_PORT_CTRL_DOUBLE_TAG_VLAN BIT(15)
+#define AR9331_SW_PORT_CTRL_LEARN_EN BIT(14)
+#define AR9331_SW_PORT_CTRL_SINGLE_VLAN_EN BIT(13)
+#define AR9331_SW_PORT_CTRL_MAC_LOOP_BACK BIT(12)
+#define AR9331_SW_PORT_CTRL_HEAD_EN BIT(11)
+#define AR9331_SW_PORT_CTRL_IGMP_MLD_EN BIT(10)
+#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE GENMASK(9, 8)
+#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_KEEP 0
+#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_STRIP 1
+#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_ADD 2
+#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_DOUBLE 3
+#define AR9331_SW_PORT_CTRL_LEARN_ONE_LOCK BIT(7)
+#define AR9331_SW_PORT_CTRL_PORT_LOCK_EN BIT(6)
+#define AR9331_SW_PORT_CTRL_LOCK_DROP_EN BIT(5)
+#define AR9331_SW_PORT_CTRL_PORT_STATE GENMASK(2, 0)
+#define AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED 0
+#define AR9331_SW_PORT_CTRL_PORT_STATE_BLOCKING 1
+#define AR9331_SW_PORT_CTRL_PORT_STATE_LISTENING 2
+#define AR9331_SW_PORT_CTRL_PORT_STATE_LEARNING 3
+#define AR9331_SW_PORT_CTRL_PORT_STATE_FORWARD 4
+
+#define AR9331_SW_REG_PORT_VLAN(_port) (0x108 + (_port) * 0x100)
+#define AR9331_SW_PORT_VLAN_8021Q_MODE GENMASK(31, 30)
+#define AR9331_SW_8021Q_MODE_SECURE 3
+#define AR9331_SW_8021Q_MODE_CHECK 2
+#define AR9331_SW_8021Q_MODE_FALLBACK 1
+#define AR9331_SW_8021Q_MODE_NONE 0
+#define AR9331_SW_PORT_VLAN_ING_PORT_PRI GENMASK(29, 27)
+#define AR9331_SW_PORT_VLAN_FORCE_PORT_VLAN_EN BIT(26)
+#define AR9331_SW_PORT_VLAN_PORT_VID_MEMBER GENMASK(25, 16)
+#define AR9331_SW_PORT_VLAN_ARP_LEAKY_EN BIT(15)
+#define AR9331_SW_PORT_VLAN_UNI_LEAKY_EN BIT(14)
+#define AR9331_SW_PORT_VLAN_MULTI_LEAKY_EN BIT(13)
+#define AR9331_SW_PORT_VLAN_FORCE_DEFALUT_VID_EN BIT(12)
+#define AR9331_SW_PORT_VLAN_PORT_VID GENMASK(11, 0)
+#define AR9331_SW_PORT_VLAN_PORT_VID_DEF 1
+
/* MIB registers */
#define AR9331_MIB_COUNTER(x) (0x20000 + ((x) * 0x100))
@@ -371,12 +411,62 @@ static int ar9331_sw_mbus_init(struct ar9331_sw_priv *priv)
return 0;
}
-static int ar9331_sw_setup(struct dsa_switch *ds)
+static int ar9331_sw_setup_port(struct dsa_switch *ds, int port)
{
struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
struct regmap *regmap = priv->regmap;
+ u32 port_mask, port_ctrl, val;
int ret;
+ /* Generate default port settings */
+ port_ctrl = FIELD_PREP(AR9331_SW_PORT_CTRL_PORT_STATE,
+ AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED);
+
+ if (dsa_is_cpu_port(ds, port)) {
+ /* CPU port should be allowed to communicate with all user
+ * ports.
+ */
+ port_mask = dsa_user_ports(ds);
+ /* Enable Atheros header on CPU port. This will allow us
+ * communicate with each port separately
+ */
+ port_ctrl |= AR9331_SW_PORT_CTRL_HEAD_EN;
+ } else if (dsa_is_user_port(ds, port)) {
+ /* User ports should communicate only with the CPU port.
+ */
+ port_mask = BIT(dsa_to_port(ds, port)->cpu_dp->index);
+ } else {
+ /* Other ports do not need to communicate at all */
+ port_mask = 0;
+ }
+
+ val = FIELD_PREP(AR9331_SW_PORT_VLAN_8021Q_MODE,
+ AR9331_SW_8021Q_MODE_NONE) |
+ FIELD_PREP(AR9331_SW_PORT_VLAN_PORT_VID_MEMBER, port_mask) |
+ FIELD_PREP(AR9331_SW_PORT_VLAN_PORT_VID,
+ AR9331_SW_PORT_VLAN_PORT_VID_DEF);
+
+ ret = regmap_write(regmap, AR9331_SW_REG_PORT_VLAN(port), val);
+ if (ret)
+ goto error;
+
+ ret = regmap_write(regmap, AR9331_SW_REG_PORT_CTRL(port), port_ctrl);
+ if (ret)
+ goto error;
+
+ return 0;
+error:
+ dev_err(priv->dev, "%s: error: %i\n", __func__, ret);
+
+ return ret;
+}
+
+static int ar9331_sw_setup(struct dsa_switch *ds)
+{
+ struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
+ struct regmap *regmap = priv->regmap;
+ int ret, i;
+
ret = ar9331_sw_reset(priv);
if (ret)
return ret;
@@ -402,6 +492,12 @@ static int ar9331_sw_setup(struct dsa_switch *ds)
if (ret)
goto error;
+ for (i = 0; i < ds->num_ports; i++) {
+ ret = ar9331_sw_setup_port(ds, i);
+ if (ret)
+ goto error;
+ }
+
ds->configure_vlan_while_not_filtering = false;
return 0;
--
2.30.2
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH net v2 1/1] net: dsa: qca: ar9331: make proper initial port defaults
2021-08-03 8:53 [PATCH net v2 1/1] net: dsa: qca: ar9331: make proper initial port defaults Oleksij Rempel
@ 2021-08-03 9:06 ` Vladimir Oltean
2021-08-03 9:54 ` Oleksij Rempel
0 siblings, 1 reply; 4+ messages in thread
From: Vladimir Oltean @ 2021-08-03 9:06 UTC (permalink / raw)
To: Oleksij Rempel
Cc: Andrew Lunn, Vivien Didelot, Florian Fainelli, David S. Miller,
Jakub Kicinski, Russell King, Pengutronix Kernel Team, netdev,
linux-kernel, linux-mips
On Tue, Aug 03, 2021 at 10:53:20AM +0200, Oleksij Rempel wrote:
> Make sure that all external port are actually isolated from each other,
> so no packets are leaked.
>
> Fixes: ec6698c272de ("net: dsa: add support for Atheros AR9331 built-in switch")
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
> changes v2:
> - do not enable address learning by default
>
> drivers/net/dsa/qca/ar9331.c | 98 +++++++++++++++++++++++++++++++++++-
> 1 file changed, 97 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
> index 6686192e1883..de7c06b6c85f 100644
> --- a/drivers/net/dsa/qca/ar9331.c
> +++ b/drivers/net/dsa/qca/ar9331.c
> @@ -101,6 +101,46 @@
> AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \
> AR9331_SW_PORT_STATUS_SPEED_M)
>
> +#define AR9331_SW_REG_PORT_CTRL(_port) (0x104 + (_port) * 0x100)
> +#define AR9331_SW_PORT_CTRL_ING_MIRROR_EN BIT(17)
not used
> +#define AR9331_SW_PORT_CTRL_EG_MIRROR_EN BIT(16)
not used
> +#define AR9331_SW_PORT_CTRL_DOUBLE_TAG_VLAN BIT(15)
not used
> +#define AR9331_SW_PORT_CTRL_LEARN_EN BIT(14)
not used
> +#define AR9331_SW_PORT_CTRL_SINGLE_VLAN_EN BIT(13)
not used
> +#define AR9331_SW_PORT_CTRL_MAC_LOOP_BACK BIT(12)
not used
> +#define AR9331_SW_PORT_CTRL_HEAD_EN BIT(11)
> +#define AR9331_SW_PORT_CTRL_IGMP_MLD_EN BIT(10)
not used
> +#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE GENMASK(9, 8)
not used
> +#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_KEEP 0
not used
> +#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_STRIP 1
not used
> +#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_ADD 2
not used
> +#define AR9331_SW_PORT_CTRL_EG_VLAN_MODE_DOUBLE 3
not used
> +#define AR9331_SW_PORT_CTRL_LEARN_ONE_LOCK BIT(7)
not used
> +#define AR9331_SW_PORT_CTRL_PORT_LOCK_EN BIT(6)
not used
> +#define AR9331_SW_PORT_CTRL_LOCK_DROP_EN BIT(5)
not used
> +#define AR9331_SW_PORT_CTRL_PORT_STATE GENMASK(2, 0)
> +#define AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED 0
> +#define AR9331_SW_PORT_CTRL_PORT_STATE_BLOCKING 1
> +#define AR9331_SW_PORT_CTRL_PORT_STATE_LISTENING 2
> +#define AR9331_SW_PORT_CTRL_PORT_STATE_LEARNING 3
> +#define AR9331_SW_PORT_CTRL_PORT_STATE_FORWARD 4
> +
> +#define AR9331_SW_REG_PORT_VLAN(_port) (0x108 + (_port) * 0x100)
> +#define AR9331_SW_PORT_VLAN_8021Q_MODE GENMASK(31, 30)
> +#define AR9331_SW_8021Q_MODE_SECURE 3
> +#define AR9331_SW_8021Q_MODE_CHECK 2
> +#define AR9331_SW_8021Q_MODE_FALLBACK 1
> +#define AR9331_SW_8021Q_MODE_NONE 0
> +#define AR9331_SW_PORT_VLAN_ING_PORT_PRI GENMASK(29, 27)
> +#define AR9331_SW_PORT_VLAN_FORCE_PORT_VLAN_EN BIT(26)
> +#define AR9331_SW_PORT_VLAN_PORT_VID_MEMBER GENMASK(25, 16)
> +#define AR9331_SW_PORT_VLAN_ARP_LEAKY_EN BIT(15)
> +#define AR9331_SW_PORT_VLAN_UNI_LEAKY_EN BIT(14)
> +#define AR9331_SW_PORT_VLAN_MULTI_LEAKY_EN BIT(13)
> +#define AR9331_SW_PORT_VLAN_FORCE_DEFALUT_VID_EN BIT(12)
> +#define AR9331_SW_PORT_VLAN_PORT_VID GENMASK(11, 0)
> +#define AR9331_SW_PORT_VLAN_PORT_VID_DEF 1
> +
> /* MIB registers */
> #define AR9331_MIB_COUNTER(x) (0x20000 + ((x) * 0x100))
>
> @@ -371,12 +411,62 @@ static int ar9331_sw_mbus_init(struct ar9331_sw_priv *priv)
> return 0;
> }
>
> -static int ar9331_sw_setup(struct dsa_switch *ds)
> +static int ar9331_sw_setup_port(struct dsa_switch *ds, int port)
> {
> struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
> struct regmap *regmap = priv->regmap;
> + u32 port_mask, port_ctrl, val;
> int ret;
>
> + /* Generate default port settings */
> + port_ctrl = FIELD_PREP(AR9331_SW_PORT_CTRL_PORT_STATE,
> + AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED);
PORT_STATE_DISABLED? why? Can you ping over any interface after applying
this patch?
> +
> + if (dsa_is_cpu_port(ds, port)) {
> + /* CPU port should be allowed to communicate with all user
> + * ports.
> + */
> + port_mask = dsa_user_ports(ds);
> + /* Enable Atheros header on CPU port. This will allow us
> + * communicate with each port separately
> + */
> + port_ctrl |= AR9331_SW_PORT_CTRL_HEAD_EN;
> + } else if (dsa_is_user_port(ds, port)) {
> + /* User ports should communicate only with the CPU port.
> + */
> + port_mask = BIT(dsa_to_port(ds, port)->cpu_dp->index);
You can use "port_mask = BIT(dsa_upstream_port(ds, port));", looks nicer
at least to me.
> + } else {
> + /* Other ports do not need to communicate at all */
> + port_mask = 0;
> + }
> +
> + val = FIELD_PREP(AR9331_SW_PORT_VLAN_8021Q_MODE,
> + AR9331_SW_8021Q_MODE_NONE) |
> + FIELD_PREP(AR9331_SW_PORT_VLAN_PORT_VID_MEMBER, port_mask) |
> + FIELD_PREP(AR9331_SW_PORT_VLAN_PORT_VID,
> + AR9331_SW_PORT_VLAN_PORT_VID_DEF);
> +
> + ret = regmap_write(regmap, AR9331_SW_REG_PORT_VLAN(port), val);
> + if (ret)
> + goto error;
> +
> + ret = regmap_write(regmap, AR9331_SW_REG_PORT_CTRL(port), port_ctrl);
> + if (ret)
> + goto error;
> +
> + return 0;
> +error:
> + dev_err(priv->dev, "%s: error: %i\n", __func__, ret);
> +
> + return ret;
> +}
> +
> +static int ar9331_sw_setup(struct dsa_switch *ds)
> +{
> + struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
> + struct regmap *regmap = priv->regmap;
> + int ret, i;
> +
> ret = ar9331_sw_reset(priv);
> if (ret)
> return ret;
> @@ -402,6 +492,12 @@ static int ar9331_sw_setup(struct dsa_switch *ds)
> if (ret)
> goto error;
>
> + for (i = 0; i < ds->num_ports; i++) {
> + ret = ar9331_sw_setup_port(ds, i);
> + if (ret)
> + goto error;
> + }
> +
> ds->configure_vlan_while_not_filtering = false;
>
> return 0;
> --
> 2.30.2
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH net v2 1/1] net: dsa: qca: ar9331: make proper initial port defaults
2021-08-03 9:06 ` Vladimir Oltean
@ 2021-08-03 9:54 ` Oleksij Rempel
2021-08-03 14:29 ` Andrew Lunn
0 siblings, 1 reply; 4+ messages in thread
From: Oleksij Rempel @ 2021-08-03 9:54 UTC (permalink / raw)
To: Vladimir Oltean
Cc: Andrew Lunn, Vivien Didelot, Florian Fainelli, David S. Miller,
Jakub Kicinski, Russell King, Pengutronix Kernel Team, netdev,
linux-kernel, linux-mips
On Tue, Aug 03, 2021 at 12:06:05PM +0300, Vladimir Oltean wrote:
> On Tue, Aug 03, 2021 at 10:53:20AM +0200, Oleksij Rempel wrote:
> > Make sure that all external port are actually isolated from each other,
> > so no packets are leaked.
> >
> > Fixes: ec6698c272de ("net: dsa: add support for Atheros AR9331 built-in switch")
> > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> > ---
> > changes v2:
> > - do not enable address learning by default
> >
> > drivers/net/dsa/qca/ar9331.c | 98 +++++++++++++++++++++++++++++++++++-
> > 1 file changed, 97 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
> > index 6686192e1883..de7c06b6c85f 100644
> > --- a/drivers/net/dsa/qca/ar9331.c
> > +++ b/drivers/net/dsa/qca/ar9331.c
> > @@ -101,6 +101,46 @@
> > AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \
> > AR9331_SW_PORT_STATUS_SPEED_M)
> >
> > +#define AR9331_SW_REG_PORT_CTRL(_port) (0x104 + (_port) * 0x100)
> > +#define AR9331_SW_PORT_CTRL_ING_MIRROR_EN BIT(17)
> > +#define AR9331_SW_PORT_CTRL_LOCK_DROP_EN BIT(5)
>
> not used
ack, will remove
>
> > +#define AR9331_SW_PORT_CTRL_PORT_STATE GENMASK(2, 0)
> > +#define AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED 0
> > +#define AR9331_SW_PORT_CTRL_PORT_STATE_BLOCKING 1
> > +#define AR9331_SW_PORT_CTRL_PORT_STATE_LISTENING 2
> > +#define AR9331_SW_PORT_CTRL_PORT_STATE_LEARNING 3
> > +#define AR9331_SW_PORT_CTRL_PORT_STATE_FORWARD 4
....
> >
> > -static int ar9331_sw_setup(struct dsa_switch *ds)
> > +static int ar9331_sw_setup_port(struct dsa_switch *ds, int port)
> > {
> > struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
> > struct regmap *regmap = priv->regmap;
> > + u32 port_mask, port_ctrl, val;
> > int ret;
> >
> > + /* Generate default port settings */
> > + port_ctrl = FIELD_PREP(AR9331_SW_PORT_CTRL_PORT_STATE,
> > + AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED);
>
> PORT_STATE_DISABLED? why? Can you ping over any interface after applying
> this patch?
grr... good point. My fault, sorry.
> > +
> > + if (dsa_is_cpu_port(ds, port)) {
> > + /* CPU port should be allowed to communicate with all user
> > + * ports.
> > + */
> > + port_mask = dsa_user_ports(ds);
> > + /* Enable Atheros header on CPU port. This will allow us
> > + * communicate with each port separately
> > + */
> > + port_ctrl |= AR9331_SW_PORT_CTRL_HEAD_EN;
> > + } else if (dsa_is_user_port(ds, port)) {
> > + /* User ports should communicate only with the CPU port.
> > + */
> > + port_mask = BIT(dsa_to_port(ds, port)->cpu_dp->index);
>
> You can use "port_mask = BIT(dsa_upstream_port(ds, port));", looks nicer
> at least to me.
ok.
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH net v2 1/1] net: dsa: qca: ar9331: make proper initial port defaults
2021-08-03 9:54 ` Oleksij Rempel
@ 2021-08-03 14:29 ` Andrew Lunn
0 siblings, 0 replies; 4+ messages in thread
From: Andrew Lunn @ 2021-08-03 14:29 UTC (permalink / raw)
To: Oleksij Rempel
Cc: Vladimir Oltean, Vivien Didelot, Florian Fainelli,
David S. Miller, Jakub Kicinski, Russell King,
Pengutronix Kernel Team, netdev, linux-kernel, linux-mips
On Tue, Aug 03, 2021 at 11:54:19AM +0200, Oleksij Rempel wrote:
> On Tue, Aug 03, 2021 at 12:06:05PM +0300, Vladimir Oltean wrote:
> > On Tue, Aug 03, 2021 at 10:53:20AM +0200, Oleksij Rempel wrote:
> > > Make sure that all external port are actually isolated from each other,
> > > so no packets are leaked.
> > >
> > > Fixes: ec6698c272de ("net: dsa: add support for Atheros AR9331 built-in switch")
> > > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> > > ---
> > > changes v2:
> > > - do not enable address learning by default
> > >
> > > drivers/net/dsa/qca/ar9331.c | 98 +++++++++++++++++++++++++++++++++++-
> > > 1 file changed, 97 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
> > > index 6686192e1883..de7c06b6c85f 100644
> > > --- a/drivers/net/dsa/qca/ar9331.c
> > > +++ b/drivers/net/dsa/qca/ar9331.c
> > > @@ -101,6 +101,46 @@
> > > AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \
> > > AR9331_SW_PORT_STATUS_SPEED_M)
> > >
> > > +#define AR9331_SW_REG_PORT_CTRL(_port) (0x104 + (_port) * 0x100)
> > > +#define AR9331_SW_PORT_CTRL_ING_MIRROR_EN BIT(17)
> > > +#define AR9331_SW_PORT_CTRL_LOCK_DROP_EN BIT(5)
> >
> > not used
>
> ack, will remove
Just expanding Vladimirs comment. Patches for net should be as minimal
as possible, so they are obviously correct.
Andrew
^ permalink raw reply [flat|nested] 4+ messages in thread
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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-08-03 8:53 [PATCH net v2 1/1] net: dsa: qca: ar9331: make proper initial port defaults Oleksij Rempel
2021-08-03 9:06 ` Vladimir Oltean
2021-08-03 9:54 ` Oleksij Rempel
2021-08-03 14:29 ` Andrew Lunn
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