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kernel: ar83xx: add support to configure per port VLAN priority

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Add support to allow for per switch port VLAN priority (PCP) bits
for the ar8327/8337 chip using the swconfig utility.

Tested on Netgear R7800

Signed-off-by: Tan Hong Hui <hhtan72@yahoo.com>
This commit is contained in:
Tan Hong Hui
2018-01-27 10:14:57 +08:00
committed by John Crispin
parent e16cc7a8c8
commit 1263d07b89
3 changed files with 55 additions and 0 deletions
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48
target/linux/generic/files/drivers/net/phy/ar8327.c
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@@ -926,10 +926,19 @@ ar8327_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S;
t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S;
if (priv->vlan && priv->port_vlan_prio[port] > 0) {
u32 prio = priv->port_vlan_prio[port];
t |= prio << AR8327_PORT_VLAN0_DEF_SPRI_S;
t |= prio << AR8327_PORT_VLAN0_DEF_CPRI_S;
}
ar8xxx_write(priv, AR8327_REG_PORT_VLAN0(port), t);
t = AR8327_PORT_VLAN1_PORT_VLAN_PROP;
t |= egress << AR8327_PORT_VLAN1_OUT_MODE_S;
if (priv->vlan && priv->port_vlan_prio[port] > 0)
t |= AR8327_PORT_VLAN1_VLAN_PRI_PROP;
ar8xxx_write(priv, AR8327_REG_PORT_VLAN1(port), t);
t = members;
@@ -1268,6 +1277,37 @@ ar8327_sw_set_igmp_v3(struct switch_dev *dev,
return 0;
}
static int
ar8327_sw_set_port_vlan_prio(struct switch_dev *dev, const struct switch_attr *attr,
struct switch_val *val)
{
struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
int port = val->port_vlan;
if (port >= dev->ports)
return -EINVAL;
if (port == 0 || port == 6)
return -EOPNOTSUPP;
if (val->value.i < 0 || val->value.i > 7)
return -EINVAL;
priv->port_vlan_prio[port] = val->value.i;
return 0;
}
static int
ar8327_sw_get_port_vlan_prio(struct switch_dev *dev, const struct switch_attr *attr,
struct switch_val *val)
{
struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
int port = val->port_vlan;
val->value.i = priv->port_vlan_prio[port];
return 0;
}
static const struct switch_attr ar8327_sw_attr_globals[] = {
{
.type = SWITCH_TYPE_INT,
@@ -1389,6 +1429,14 @@ static const struct switch_attr ar8327_sw_attr_port[] = {
.get = ar8327_sw_get_port_igmp_snooping,
.max = 1
},
{
.type = SWITCH_TYPE_INT,
.name = "vlan_prio",
.description = "Port VLAN default priority (VLAN PCP) (0-7)",
.set = ar8327_sw_set_port_vlan_prio,
.get = ar8327_sw_get_port_vlan_prio,
.max = 7,
},
};
static const struct switch_dev_ops ar8327_sw_ops = {