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net: phy: convert eee_broken_modes to a linkmode bitmap

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eee_broken_modes has a eee_cap1 register layout currently. This doen't
allow to flag e.g. 2.5Gbps or 5Gbps BaseT EEE as broken. To overcome
this limitation switch eee_broken_modes to a linkmode bitmap.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/dfe0c9ff-84b0-4328-86d7-e917ebc084a1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2024-11-08 07:54:47 +01:00 committed by Jakub Kicinski
parent a79993b5fc
commit 721aa69e70
4 changed files with 19 additions and 25 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/phy/micrel.c
View file

@ -2004,7 +2004,7 @@ static int ksz9477_config_init(struct phy_device *phydev)
* in this switch shall be regarded as broken.
*/
if (phydev->dev_flags & MICREL_NO_EEE)
phydev->eee_broken_modes = -1;
linkmode_fill(phydev->eee_broken_modes);
return kszphy_config_init(phydev);
}

12
drivers/net/phy/phy-c45.c
View file

@ -683,15 +683,13 @@ EXPORT_SYMBOL_GPL(genphy_c45_read_mdix);
static int genphy_c45_write_eee_adv(struct phy_device *phydev,
unsigned long *adv)
{
__ETHTOOL_DECLARE_LINK_MODE_MASK(tmp);
int val, changed = 0;
if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP1_FEATURES)) {
val = linkmode_to_mii_eee_cap1_t(adv);
linkmode_andnot(tmp, adv, phydev->eee_broken_modes);
/* In eee_broken_modes are stored MDIO_AN_EEE_ADV specific raw
* register values.
*/
val &= ~phydev->eee_broken_modes;
if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP1_FEATURES)) {
val = linkmode_to_mii_eee_cap1_t(tmp);
/* IEEE 802.3-2018 45.2.7.13 EEE advertisement 1
* (Register 7.60)
@ -709,7 +707,7 @@ static int genphy_c45_write_eee_adv(struct phy_device *phydev,
}
if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP2_FEATURES)) {
val = linkmode_to_mii_eee_cap2_t(adv);
val = linkmode_to_mii_eee_cap2_t(tmp);
/* IEEE 802.3-2022 45.2.7.16 EEE advertisement 2
* (Register 7.62)

21
drivers/net/phy/phy-core.c
View file

@ -388,28 +388,25 @@ void of_set_phy_supported(struct phy_device *phydev)
void of_set_phy_eee_broken(struct phy_device *phydev)
{
struct device_node *node = phydev->mdio.dev.of_node;
u32 broken = 0;
unsigned long *modes = phydev->eee_broken_modes;
if (!IS_ENABLED(CONFIG_OF_MDIO))
if (!IS_ENABLED(CONFIG_OF_MDIO) || !node)
return;
if (!node)
return;
linkmode_zero(modes);
if (of_property_read_bool(node, "eee-broken-100tx"))
broken |= MDIO_EEE_100TX;
linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, modes);
if (of_property_read_bool(node, "eee-broken-1000t"))
broken |= MDIO_EEE_1000T;
linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, modes);
if (of_property_read_bool(node, "eee-broken-10gt"))
broken |= MDIO_EEE_10GT;
linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, modes);
if (of_property_read_bool(node, "eee-broken-1000kx"))
broken |= MDIO_EEE_1000KX;
linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, modes);
if (of_property_read_bool(node, "eee-broken-10gkx4"))
broken |= MDIO_EEE_10GKX4;
linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, modes);
if (of_property_read_bool(node, "eee-broken-10gkr"))
broken |= MDIO_EEE_10GKR;
phydev->eee_broken_modes = broken;
linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, modes);
}
/**

9
include/linux/phy.h
View file

@ -721,16 +721,15 @@ struct phy_device {
/* used for eee validation and configuration*/
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported_eee);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising_eee);
/* Energy efficient ethernet modes which should be prohibited */
__ETHTOOL_DECLARE_LINK_MODE_MASK(eee_broken_modes);
bool eee_enabled;
bool enable_tx_lpi;
struct eee_config eee_cfg;
/* Host supported PHY interface types. Should be ignored if empty. */
DECLARE_PHY_INTERFACE_MASK(host_interfaces);
/* Energy efficient ethernet modes which should be prohibited */
u32 eee_broken_modes;
bool enable_tx_lpi;
struct eee_config eee_cfg;
#ifdef CONFIG_LED_TRIGGER_PHY
struct phy_led_trigger *phy_led_triggers;
unsigned int phy_num_led_triggers;