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authorRussell King <rmk+kernel@armlinux.org.uk>2024-03-02 22:53:00 +0300
committerJakub Kicinski <kuba@kernel.org>2024-03-06 06:21:17 +0300
commit6f2fc8584a46bb35787bfc1dad1fb7dd5898e21f (patch)
tree46ca36d00fb20d12bedd95265a8be7bbd9584ee3
parent344f7a4651497ffc62166ec6318b33f79d71c3df (diff)
downloadlinux-6f2fc8584a46bb35787bfc1dad1fb7dd5898e21f.tar.xz
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) <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>
-rw-r--r--include/net/eee.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/net/eee.h b/include/net/eee.h
new file mode 100644
index 000000000000..84837aba3cd9
--- /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 <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