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authorTan Hong Hui <hhtan72@yahoo.com>2018-01-27 10:14:57 +0800
committerJohn Crispin <john@phrozen.org>2018-02-20 10:33:34 +0100
commit1263d07b89308dbf0330afe8cf4a33504802b028 (patch)
tree78da5e1150e2b8b7d8901d9cf9cba55c8aba27d6
parente16cc7a8c8f32a0ec865d48735ac278845c6d582 (diff)
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kernel: ar83xx: add support to configure per port VLAN priority
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>
-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8216.h1
-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8327.c48
-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8327.h6
3 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.h b/target/linux/generic/files/drivers/net/phy/ar8216.h
index d9508b9ff8..ba0e0ddccd 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.h
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.h
@@ -462,6 +462,7 @@ struct ar8xxx_priv {
bool mirror_tx;
int source_port;
int monitor_port;
+ u8 port_vlan_prio[AR8X16_MAX_PORTS];
};
u32
diff --git a/target/linux/generic/files/drivers/net/phy/ar8327.c b/target/linux/generic/files/drivers/net/phy/ar8327.c
index 6ebd2e8aed..f52f85a5de 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8327.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8327.c
@@ -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 = {
diff --git a/target/linux/generic/files/drivers/net/phy/ar8327.h b/target/linux/generic/files/drivers/net/phy/ar8327.h
index 828dd28f38..2309e52899 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8327.h
+++ b/target/linux/generic/files/drivers/net/phy/ar8327.h
@@ -164,12 +164,18 @@
#define AR8327_FRAME_ACK_CTRL_S(_i) (((_i) % 4) * 8)
#define AR8327_REG_PORT_VLAN0(_i) (0x420 + (_i) * 0x8)
+#define AR8327_PORT_VLAN0_DEF_PRI_MASK BITS(0, 3)
#define AR8327_PORT_VLAN0_DEF_SVID BITS(0, 12)
#define AR8327_PORT_VLAN0_DEF_SVID_S 0
+#define AR8327_PORT_VLAN0_DEF_SPRI BITS(13, 3)
+#define AR8327_PORT_VLAN0_DEF_SPRI_S 13
#define AR8327_PORT_VLAN0_DEF_CVID BITS(16, 12)
#define AR8327_PORT_VLAN0_DEF_CVID_S 16
+#define AR8327_PORT_VLAN0_DEF_CPRI BITS(29, 3)
+#define AR8327_PORT_VLAN0_DEF_CPRI_S 29
#define AR8327_REG_PORT_VLAN1(_i) (0x424 + (_i) * 0x8)
+#define AR8327_PORT_VLAN1_VLAN_PRI_PROP BIT(4)
#define AR8327_PORT_VLAN1_PORT_VLAN_PROP BIT(6)
#define AR8327_PORT_VLAN1_OUT_MODE BITS(12, 2)
#define AR8327_PORT_VLAN1_OUT_MODE_S 12