From 743c2e8914da5433898ce9880f96dcdd9fc395c5 Mon Sep 17 00:00:00 2001 From: "Russell King (Oracle)" Date: Wed, 31 May 2023 15:15:03 +0100 Subject: net: add helpers for EEE configuration 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) --- include/net/eee.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 include/net/eee.h diff --git a/include/net/eee.h b/include/net/eee.h new file mode 100644 index 000000000000..d353b79ae79f --- /dev/null +++ b/include/net/eee.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _EEE_H +#define _EEE_H + +#include + +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(const struct eee_config *eeecfg, + struct ethtool_eee *eee) +{ + 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(const struct ethtool_eee *eee, + struct eee_config *eeecfg) +{ + eeecfg->tx_lpi_timer = eee->tx_lpi_timer; + eeecfg->tx_lpi_enabled = eee->tx_lpi_enabled; + eeecfg->eee_enabled = eee->eee_enabled; +} + +#endif -- cgit