From 1263d07b89308dbf0330afe8cf4a33504802b028 Mon Sep 17 00:00:00 2001 From: Tan Hong Hui Date: Sat, 27 Jan 2018 10:14:57 +0800 Subject: [PATCH] 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 --- .../generic/files/drivers/net/phy/ar8216.h | 1 + .../generic/files/drivers/net/phy/ar8327.c | 48 +++++++++++++++++++ .../generic/files/drivers/net/phy/ar8327.h | 6 +++ 3 files changed, 55 insertions(+) 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 -- 2.25.1