Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Oleksij Rempel <> | Subject | [PATCH net-next v1 4/4] net: dsa: microchip: enable EEE support | Date | Thu, 19 Jan 2023 14:18:21 +0100 |
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Some of KSZ9477 family switches provides EEE support. To enable it, we just need to register set_mac_eee/set_mac_eee handlers and validate supported chip version and port.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> --- drivers/net/dsa/microchip/ksz_common.c | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 5e1e5bd555d2..2f1f71b3be86 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -2645,6 +2645,39 @@ static int ksz_max_mtu(struct dsa_switch *ds, int port) return -EOPNOTSUPP; } +static int ksz_validate_eee(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->info->internal_phy[port]) + return -EOPNOTSUPP; + + switch (dev->chip_id) { + case KSZ8563_CHIP_ID: + case KSZ9477_CHIP_ID: + case KSZ9563_CHIP_ID: + case KSZ9567_CHIP_ID: + case KSZ9893_CHIP_ID: + case KSZ9896_CHIP_ID: + case KSZ9897_CHIP_ID: + return 0; + } + + return -EOPNOTSUPP; +} + +static int ksz_get_mac_eee(struct dsa_switch *ds, int port, + struct ethtool_eee *e) +{ + return ksz_validate_eee(ds, port); +} + +static int ksz_set_mac_eee(struct dsa_switch *ds, int port, + struct ethtool_eee *e) +{ + return ksz_validate_eee(ds, port); +} + static void ksz_set_xmii(struct ksz_device *dev, int port, phy_interface_t interface) { @@ -3006,6 +3039,8 @@ static const struct dsa_switch_ops ksz_switch_ops = { .port_hwtstamp_set = ksz_hwtstamp_set, .port_txtstamp = ksz_port_txtstamp, .port_rxtstamp = ksz_port_rxtstamp, + .get_mac_eee = ksz_get_mac_eee, + .set_mac_eee = ksz_set_mac_eee, }; struct ksz_device *ksz_switch_alloc(struct device *base, void *priv) -- 2.30.2
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