@@ -2247,4 +2247,34 @@ void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs)
}
EXPORT_SYMBOL_GPL(phylink_mii_c22_pcs_an_restart);
+#define C45_ADDR(d,a) (MII_ADDR_C45 | (d) << 16 | (a))
+void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs,
+ struct phylink_link_state *state)
+{
+ struct mii_bus *bus = pcs->bus;
+ int addr = pcs->addr;
+ int stat;
+
+ stat = mdiobus_read(bus, addr, C45_ADDR(MDIO_MMD_PCS, MDIO_STAT1));
+ if (stat < 0) {
+ state->link = false;
+ return;
+ }
+
+ state->link = !!(stat & MDIO_STAT1_LSTATUS);
+ if (!state->link)
+ return;
+
+ switch (state->interface) {
+ case PHY_INTERFACE_MODE_10GBASER:
+ state->speed = SPEED_10000;
+ state->duplex = DUPLEX_FULL;
+ break;
+
+ default:
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(phylink_mii_c45_pcs_get_state);
+
MODULE_LICENSE("GPL v2");
@@ -323,4 +323,6 @@ int phylink_mii_c22_pcs_set_advertisement(struct mdio_device *pcs,
const struct phylink_link_state *state);
void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs);
+void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs,
+ struct phylink_link_state *state);
#endif
Implement helpers for PCS accessed via the MII bus using 802.3 clause 45 cycles for 10GBASE-R. Only link up/down is supported, 10G full duplex is assumed. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- drivers/net/phy/phylink.c | 30 ++++++++++++++++++++++++++++++ include/linux/phylink.h | 2 ++ 2 files changed, 32 insertions(+)