This exposes hardware port mirroring in ag71xx driver (e.g. TL-WR841ND) via swconfig API.
Signed-off-by: Milan Krstic <[email protected]> --- .../net/ethernet/atheros/ag71xx/ag71xx_ar7240.c | 154 +++++++++++++++++++++ 1 file changed, 154 insertions(+) diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c index c5aed0d..da9c0dd 100644 --- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c +++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c @@ -77,6 +77,7 @@ #define AR7240_REG_CPU_PORT 0x78 #define AR7240_MIRROR_PORT_S 4 +#define AR7240_MIRROR_PORT_M BITM(4) #define AR7240_CPU_PORT_EN BIT(8) #define AR7240_REG_MIB_FUNCTION0 0x80 @@ -1013,6 +1014,134 @@ ar7240_get_port_stats(struct switch_dev *dev, int port, return 0; } +static int +ar7240_set_mirror_monitor_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + + int port = val->value.i; + + if (port > 15) + return -EINVAL; + + ar7240sw_reg_rmw(mii, AR7240_REG_CPU_PORT, + AR7240_MIRROR_PORT_M << AR7240_MIRROR_PORT_S, + port << AR7240_MIRROR_PORT_S); + + return 0; +} + +static int +ar7240_get_mirror_monitor_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + + u32 ret; + + ret = ar7240sw_reg_read(mii, AR7240_REG_CPU_PORT); + val->value.i = (ret >> AR7240_MIRROR_PORT_S) & AR7240_MIRROR_PORT_M; + + return 0; +} + +static int +ar7240_set_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + + int port = val->port_vlan; + + if (port >= dev->ports) + return -EINVAL; + + if (val && val->value.i == 1) + ar7240sw_reg_set(mii, AR7240_REG_PORT_CTRL(port), + AR7240_PORT_CTRL_MIRROR_RX); + else + ar7240sw_reg_rmw(mii, AR7240_REG_PORT_CTRL(port), + AR7240_PORT_CTRL_MIRROR_RX, 0); + + return 0; +} + +static int +ar7240_get_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + + u32 ctrl; + + int port = val->port_vlan; + + if (port >= dev->ports) + return -EINVAL; + + ctrl = ar7240sw_reg_read(mii, AR7240_REG_PORT_CTRL(port)); + + if ((ctrl & AR7240_PORT_CTRL_MIRROR_RX) == AR7240_PORT_CTRL_MIRROR_RX) + val->value.i = 1; + else + val->value.i = 0; + + return 0; +} + +static int +ar7240_set_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + + int port = val->port_vlan; + + if (port >= dev->ports) + return -EINVAL; + + if (val && val->value.i == 1) + ar7240sw_reg_set(mii, AR7240_REG_PORT_CTRL(port), + AR7240_PORT_CTRL_MIRROR_TX); + else + ar7240sw_reg_rmw(mii, AR7240_REG_PORT_CTRL(port), + AR7240_PORT_CTRL_MIRROR_TX, 0); + + return 0; +} + +static int +ar7240_get_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + + u32 ctrl; + + int port = val->port_vlan; + + if (port >= dev->ports) + return -EINVAL; + + ctrl = ar7240sw_reg_read(mii, AR7240_REG_PORT_CTRL(port)); + + if ((ctrl & AR7240_PORT_CTRL_MIRROR_TX) == AR7240_PORT_CTRL_MIRROR_TX) + val->value.i = 1; + else + val->value.i = 0; + + return 0; +} + static struct switch_attr ar7240_globals[] = { { .type = SWITCH_TYPE_INT, @@ -1022,9 +1151,34 @@ static struct switch_attr ar7240_globals[] = { .get = ar7240_get_vlan, .max = 1 }, + { + .type = SWITCH_TYPE_INT, + .name = "mirror_monitor_port", + .description = "Mirror monitor port", + .set = ar7240_set_mirror_monitor_port, + .get = ar7240_get_mirror_monitor_port, + .max = 15 + }, }; static struct switch_attr ar7240_port[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_mirror_rx", + .description = "Enable mirroring of RX packets", + .set = ar7240_set_mirror_rx, + .get = ar7240_get_mirror_rx, + .max = 1 + }, + { + + .type = SWITCH_TYPE_INT, + .name = "enable_mirror_tx", + .description = "Enable mirroring of TX packets", + .set = ar7240_set_mirror_tx, + .get = ar7240_get_mirror_tx, + .max = 1 + }, }; static struct switch_attr ar7240_vlan[] = { -- 1.8.3.1 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
