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net: add helpers for EEE configuration

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Add helpers that phylib and phylink can use to manage EEE configuration
and determine whether the MAC should be permitted to use LPI based on
that configuration.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20240302195306.3207716-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King 2024-03-02 20:53:00 +01:00 committed by Jakub Kicinski
parent 344f7a4651
commit 6f2fc8584a
1 changed files with 38 additions and 0 deletions
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38
include/net/eee.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _EEE_H
#define _EEE_H
#include <linux/types.h>
struct eee_config {
u32 tx_lpi_timer;
bool tx_lpi_enabled;
bool eee_enabled;
};
static inline bool eeecfg_mac_can_tx_lpi(const struct eee_config *eeecfg)
{
/* eee_enabled is the master on/off */
if (!eeecfg->eee_enabled || !eeecfg->tx_lpi_enabled)
return false;
return true;
}
static inline void eeecfg_to_eee(struct ethtool_keee *eee,
const struct eee_config *eeecfg)
{
eee->tx_lpi_timer = eeecfg->tx_lpi_timer;
eee->tx_lpi_enabled = eeecfg->tx_lpi_enabled;
eee->eee_enabled = eeecfg->eee_enabled;
}
static inline void eee_to_eeecfg(struct eee_config *eeecfg,
const struct ethtool_keee *eee)
{
eeecfg->tx_lpi_timer = eee->tx_lpi_timer;
eeecfg->tx_lpi_enabled = eee->tx_lpi_enabled;
eeecfg->eee_enabled = eee->eee_enabled;
}
#endif