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net: phy: Convert u32 phydev->lp_advertising to linkmode 

Convert phy drivers to report the link partner advertised modes using
a linkmode bitmap. This allows them to report the higher speeds which
don't fit in a u32.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2018-11-10 23:43:34 +01:00 committed by David S. Miller
parent 3c1bcc8614
commit c0ec3c2736
10 changed files with 72 additions and 41 deletions
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4
drivers/net/phy/lxt.c
View File

@ -177,7 +177,7 @@ static int lxt973a2_read_status(struct phy_device *phydev)
*/
} while (lpa == adv && retry--);
phydev->lp_advertising = mii_lpa_to_ethtool_lpa_t(lpa);
mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
lpa &= adv;
@ -218,7 +218,7 @@ static int lxt973a2_read_status(struct phy_device *phydev)
phydev->speed = SPEED_10;
phydev->pause = phydev->asym_pause = 0;
phydev->lp_advertising = 0;
linkmode_zero(phydev->lp_advertising);
}
return 0;

26
drivers/net/phy/marvell.c
View File

@ -1049,22 +1049,21 @@ static int m88e1145_config_init(struct phy_device *phydev)
}
/**
* fiber_lpa_to_ethtool_lpa_t
* fiber_lpa_to_linkmode_lpa_t
* @advertising: the linkmode advertisement settings
* @lpa: value of the MII_LPA register for fiber link
*
* A small helper function that translates MII_LPA
* bits to ethtool LP advertisement settings.
* bits to linkmode LP advertisement settings.
*/
static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
static void fiber_lpa_to_linkmode_lpa_t(unsigned long *advertising, u32 lpa)
{
u32 result = 0;
if (lpa & LPA_FIBER_1000HALF)
result |= ADVERTISED_1000baseT_Half;
linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
advertising);
if (lpa & LPA_FIBER_1000FULL)
result |= ADVERTISED_1000baseT_Full;
return result;
linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
advertising);
}
/**
@ -1140,9 +1139,8 @@ static int marvell_read_status_page_an(struct phy_device *phydev,
}
if (!fiber) {
phydev->lp_advertising =
mii_stat1000_to_ethtool_lpa_t(lpagb) |
mii_lpa_to_ethtool_lpa_t(lpa);
mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
mii_stat1000_to_linkmode_lpa_t(phydev->lp_advertising, lpagb);
if (phydev->duplex == DUPLEX_FULL) {
phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
@ -1150,7 +1148,7 @@ static int marvell_read_status_page_an(struct phy_device *phydev,
}
} else {
/* The fiber link is only 1000M capable */
phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
fiber_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
if (phydev->duplex == DUPLEX_FULL) {
if (!(lpa & LPA_PAUSE_FIBER)) {
@ -1189,7 +1187,7 @@ static int marvell_read_status_page_fixed(struct phy_device *phydev)
phydev->pause = 0;
phydev->asym_pause = 0;
phydev->lp_advertising = 0;
linkmode_zero(phydev->lp_advertising);
return 0;
}

4
drivers/net/phy/marvell10g.c
View File

@ -457,7 +457,7 @@ static int mv3310_read_status(struct phy_device *phydev)
phydev->speed = SPEED_UNKNOWN;
phydev->duplex = DUPLEX_UNKNOWN;
phydev->lp_advertising = 0;
linkmode_zero(phydev->lp_advertising);
phydev->link = 0;
phydev->pause = 0;
phydev->asym_pause = 0;
@ -490,7 +490,7 @@ static int mv3310_read_status(struct phy_device *phydev)
if (val < 0)
return val;
phydev->lp_advertising |= mii_stat1000_to_ethtool_lpa_t(val);
mii_stat1000_to_linkmode_lpa_t(phydev->lp_advertising, val);
if (phydev->autoneg == AUTONEG_ENABLE)
phy_resolve_aneg_linkmode(phydev);

5
drivers/net/phy/phy-c45.c
View File

@ -181,7 +181,7 @@ int genphy_c45_read_lpa(struct phy_device *phydev)
if (val < 0)
return val;
phydev->lp_advertising = mii_lpa_to_ethtool_lpa_t(val);
mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, val);
phydev->pause = val & LPA_PAUSE_CAP ? 1 : 0;
phydev->asym_pause = val & LPA_PAUSE_ASYM ? 1 : 0;
@ -191,7 +191,8 @@ int genphy_c45_read_lpa(struct phy_device *phydev)
return val;
if (val & MDIO_AN_10GBT_STAT_LP10G)
phydev->lp_advertising |= ADVERTISED_10000baseT_Full;
linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
phydev->lp_advertising);
return 0;
}

13
drivers/net/phy/phy-core.c
View File

@ -199,11 +199,8 @@ size_t phy_speeds(unsigned int *speeds, size_t size,
void phy_resolve_aneg_linkmode(struct phy_device *phydev)
{
__ETHTOOL_DECLARE_LINK_MODE_MASK(common);
__ETHTOOL_DECLARE_LINK_MODE_MASK(lp);
ethtool_convert_legacy_u32_to_link_mode(lp, phydev->lp_advertising);
linkmode_and(common, lp, phydev->advertising);
linkmode_and(common, phydev->lp_advertising, phydev->advertising);
if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, common)) {
phydev->speed = SPEED_10000;
@ -235,9 +232,11 @@ void phy_resolve_aneg_linkmode(struct phy_device *phydev)
}
if (phydev->duplex == DUPLEX_FULL) {
phydev->pause = !!(phydev->lp_advertising & ADVERTISED_Pause);
phydev->asym_pause = !!(phydev->lp_advertising &
ADVERTISED_Asym_Pause);
phydev->pause = linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
phydev->lp_advertising);
phydev->asym_pause = linkmode_test_bit(
ETHTOOL_LINK_MODE_Asym_Pause_BIT,
phydev->lp_advertising);
}
}
EXPORT_SYMBOL_GPL(phy_resolve_aneg_linkmode);

8
drivers/net/phy/phy.c
View File

@ -368,9 +368,7 @@ void phy_ethtool_ksettings_get(struct phy_device *phydev,
{
linkmode_copy(cmd->link_modes.supported, phydev->supported);
linkmode_copy(cmd->link_modes.advertising, phydev->advertising);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
phydev->lp_advertising);
linkmode_copy(cmd->link_modes.lp_advertising, phydev->lp_advertising);
cmd->base.speed = phydev->speed;
cmd->base.duplex = phydev->duplex;
@ -549,7 +547,7 @@ int phy_start_aneg(struct phy_device *phydev)
phy_sanitize_settings(phydev);
/* Invalidate LP advertising flags */
phydev->lp_advertising = 0;
linkmode_zero(phydev->lp_advertising);
err = phy_config_aneg(phydev);
if (err < 0)
@ -610,7 +608,7 @@ int phy_speed_down(struct phy_device *phydev, bool sync)
return 0;
linkmode_copy(adv_old, phydev->advertising);
ethtool_convert_legacy_u32_to_link_mode(adv, phydev->lp_advertising);
linkmode_copy(adv, phydev->lp_advertising);
linkmode_and(adv, adv, phydev->supported);
if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, adv) ||

8
drivers/net/phy/phy_device.c
View File

@ -1702,7 +1702,7 @@ int genphy_read_status(struct phy_device *phydev)
if (err)
return err;
phydev->lp_advertising = 0;
linkmode_zero(phydev->lp_advertising);
if (AUTONEG_ENABLE == phydev->autoneg) {
if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
@ -1725,8 +1725,8 @@ int genphy_read_status(struct phy_device *phydev)
return -ENOLINK;
}
phydev->lp_advertising =
mii_stat1000_to_ethtool_lpa_t(lpagb);
mii_stat1000_to_linkmode_lpa_t(phydev->lp_advertising,
lpagb);
common_adv_gb = lpagb & adv << 2;
}
@ -1734,7 +1734,7 @@ int genphy_read_status(struct phy_device *phydev)
if (lpa < 0)
return lpa;
phydev->lp_advertising |= mii_lpa_to_ethtool_lpa_t(lpa);
mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
adv = phy_read(phydev, MII_ADVERTISE);
if (adv < 0)

6
drivers/net/phy/uPD60620.c
View File

@ -47,7 +47,7 @@ static int upd60620_read_status(struct phy_device *phydev)
return phy_state;
phydev->link = 0;
phydev->lp_advertising = 0;
linkmode_zero(phydev->lp_advertising);
phydev->pause = 0;
phydev->asym_pause = 0;
@ -70,8 +70,8 @@ static int upd60620_read_status(struct phy_device *phydev)
if (phy_state < 0)
return phy_state;
phydev->lp_advertising
= mii_lpa_to_ethtool_lpa_t(phy_state);
mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising,
phy_state);
if (phydev->duplex == DUPLEX_FULL) {
if (phy_state & LPA_PAUSE_CAP)

36
include/linux/mii.h
View File

@ -287,6 +287,25 @@ static inline u32 mii_stat1000_to_ethtool_lpa_t(u32 lpa)
return result;
}
/**
* mii_stat1000_to_linkmode_lpa_t
* @advertising: target the linkmode advertisement settings
* @adv: value of the MII_STAT1000 register
*
* A small helper function that translates MII_STAT1000 bits, when in
* 1000Base-T mode, to linkmode advertisement settings.
*/
static inline void mii_stat1000_to_linkmode_lpa_t(unsigned long *advertising,
u32 lpa)
{
if (lpa & LPA_1000HALF)
linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
advertising);
if (lpa & LPA_1000FULL)
linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
advertising);
}
/**
* ethtool_adv_to_mii_adv_x
* @ethadv: the ethtool advertisement settings
@ -384,6 +403,23 @@ static inline void mii_adv_to_linkmode_adv_t(unsigned long *advertising,
linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising);
}
/**
* mii_lpa_to_linkmode_lpa_t
* @adv: value of the MII_LPA register
*
* A small helper function that translates MII_LPA bits, when in
* 1000Base-T mode, to linkmode LP advertisement settings.
*/
static inline void mii_lpa_to_linkmode_lpa_t(unsigned long *lp_advertising,
u32 lpa)
{
if (lpa & LPA_LPACK)
linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
lp_advertising);
mii_adv_to_linkmode_adv_t(lp_advertising, lpa);
}
/**
* linkmode_adv_to_lcl_adv_t
* @advertising:pointer to linkmode advertising

3
include/linux/phy.h
View File

@ -414,8 +414,7 @@ struct phy_device {
/* See ethtool.h for more info */
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
u32 lp_advertising;
__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising);
/* Energy efficient ethernet modes which should be prohibited */
u32 eee_broken_modes;