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Diffstat (limited to 'include/linux/mii.h')
-rw-r--r--include/linux/mii.h121
1 files changed, 97 insertions, 24 deletions
diff --git a/include/linux/mii.h b/include/linux/mii.h
index 2da85b02e1c0..6fee8b1a4400 100644
--- a/include/linux/mii.h
+++ b/include/linux/mii.h
@@ -209,7 +209,7 @@ static inline u32 ethtool_adv_to_mii_ctrl1000_t(u32 ethadv)
/**
* linkmode_adv_to_mii_ctrl1000_t
- * advertising: the linkmode advertisement settings
+ * @advertising: the linkmode advertisement settings
*
* A small helper function that translates linkmode advertisement
* settings to phy autonegotiation advertisements for the
@@ -288,6 +288,25 @@ static inline u32 mii_stat1000_to_ethtool_lpa_t(u32 lpa)
}
/**
+ * mii_stat1000_mod_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. Other bits in
+ * advertising are not changes.
+ */
+static inline void mii_stat1000_mod_linkmode_lpa_t(unsigned long *advertising,
+ u32 lpa)
+{
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
+ advertising, lpa & LPA_1000HALF);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ advertising, lpa & LPA_1000FULL);
+}
+
+/**
* ethtool_adv_to_mii_adv_x
* @ethadv: the ethtool advertisement settings
*
@@ -354,50 +373,104 @@ static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa)
}
/**
+ * mii_adv_mod_linkmode_adv_t
+ * @advertising:pointer to destination link mode.
+ * @adv: value of the MII_ADVERTISE register
+ *
+ * A small helper function that translates MII_ADVERTISE bits to
+ * linkmode advertisement settings. Leaves other bits unchanged.
+ */
+static inline void mii_adv_mod_linkmode_adv_t(unsigned long *advertising,
+ u32 adv)
+{
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
+ advertising, adv & ADVERTISE_10HALF);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
+ advertising, adv & ADVERTISE_10FULL);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+ advertising, adv & ADVERTISE_100HALF);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+ advertising, adv & ADVERTISE_100FULL);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising,
+ adv & ADVERTISE_PAUSE_CAP);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ advertising, adv & ADVERTISE_PAUSE_ASYM);
+}
+
+/**
* mii_adv_to_linkmode_adv_t
* @advertising:pointer to destination link mode.
* @adv: value of the MII_ADVERTISE register
*
* A small helper function that translates MII_ADVERTISE bits
- * to linkmode advertisement settings.
+ * to linkmode advertisement settings. Clears the old value
+ * of advertising.
*/
static inline void mii_adv_to_linkmode_adv_t(unsigned long *advertising,
u32 adv)
{
linkmode_zero(advertising);
- if (adv & ADVERTISE_10HALF)
- linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
- advertising);
- if (adv & ADVERTISE_10FULL)
- linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
- advertising);
- if (adv & ADVERTISE_100HALF)
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
- advertising);
- if (adv & ADVERTISE_100FULL)
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
- advertising);
- if (adv & ADVERTISE_PAUSE_CAP)
- linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising);
- if (adv & ADVERTISE_PAUSE_ASYM)
- linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising);
+ mii_adv_mod_linkmode_adv_t(advertising, adv);
+}
+
+/**
+ * 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. Clears the
+ * old value of advertising
+ */
+static inline void mii_lpa_to_linkmode_lpa_t(unsigned long *lp_advertising,
+ u32 lpa)
+{
+ mii_adv_to_linkmode_adv_t(lp_advertising, lpa);
+
+ if (lpa & LPA_LPACK)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
+ lp_advertising);
+
+}
+
+/**
+ * mii_lpa_mod_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. Leaves
+ * other bits unchanged.
+ */
+static inline void mii_lpa_mod_linkmode_lpa_t(unsigned long *lp_advertising,
+ u32 lpa)
+{
+ mii_adv_mod_linkmode_adv_t(lp_advertising, lpa);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
+ lp_advertising, lpa & LPA_LPACK);
}
/**
- * ethtool_adv_to_lcl_adv_t
- * @advertising:pointer to ethtool advertising
+ * linkmode_adv_to_lcl_adv_t
+ * @advertising:pointer to linkmode advertising
*
- * A small helper function that translates ethtool advertising to LVL
+ * A small helper function that translates linkmode advertising to LVL
* pause capabilities.
*/
-static inline u32 ethtool_adv_to_lcl_adv_t(u32 advertising)
+static inline u32 linkmode_adv_to_lcl_adv_t(unsigned long *advertising)
{
u32 lcl_adv = 0;
- if (advertising & ADVERTISED_Pause)
+ if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
+ advertising))
lcl_adv |= ADVERTISE_PAUSE_CAP;
- if (advertising & ADVERTISED_Asym_Pause)
+ if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
+ advertising))
lcl_adv |= ADVERTISE_PAUSE_ASYM;
return lcl_adv;