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net: cadence: macb: add ethtool EEE support

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Implement get_eee and set_eee ethtool ops for GEM as simple passthroughs
to phylink_ethtool_get_eee() and phylink_ethtool_set_eee().

No MACB_CAPS_EEE guard is needed: phylink returns -EOPNOTSUPP from both
ops when mac_supports_eee is false, which is the case when
lpi_capabilities and lpi_interfaces are not populated. Those fields are
only set when MACB_CAPS_EEE is present (previous patch), so phylink
already handles the unsupported case correctly.

Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Reviewed-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Nicolai Buchwitz <nb@tipi-net.de>
Link: https://patch.msgid.link/20260304105432.631186-4-nb@tipi-net.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nicolai Buchwitz
2026-03-04 11:54:30 +01:00
committed by Jakub Kicinski
parent 0cc425f18f
commit 61332b7876
1 changed files with 16 additions and 0 deletions
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16
drivers/net/ethernet/cadence/macb_main.c
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@@ -4058,6 +4058,20 @@ static const struct ethtool_ops macb_ethtool_ops = {
.set_ringparam = macb_set_ringparam,
};
static int macb_get_eee(struct net_device *dev, struct ethtool_keee *eee)
{
struct macb *bp = netdev_priv(dev);
return phylink_ethtool_get_eee(bp->phylink, eee);
}
static int macb_set_eee(struct net_device *dev, struct ethtool_keee *eee)
{
struct macb *bp = netdev_priv(dev);
return phylink_ethtool_set_eee(bp->phylink, eee);
}
static const struct ethtool_ops gem_ethtool_ops = {
.get_regs_len = macb_get_regs_len,
.get_regs = macb_get_regs,
@@ -4080,6 +4094,8 @@ static const struct ethtool_ops gem_ethtool_ops = {
.set_rxnfc = gem_set_rxnfc,
.get_rx_ring_count = gem_get_rx_ring_count,
.nway_reset = phy_ethtool_nway_reset,
.get_eee = macb_get_eee,
.set_eee = macb_set_eee,
};
static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)