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Subject[PATCH net-next 4/8] net: dsa: microchip: add support for phylink management
Date
Support for phylink_validate() and reused KSZ commmon API for
phylink_mac_link_down() operation

Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com>
---
drivers/net/dsa/microchip/lan937x_main.c | 40 ++++++++++++++++++++++++
1 file changed, 40 insertions(+)

diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c
index 41f7f5f8f435..b38735e36aef 100644
--- a/drivers/net/dsa/microchip/lan937x_main.c
+++ b/drivers/net/dsa/microchip/lan937x_main.c
@@ -327,6 +327,44 @@ static int lan937x_get_max_mtu(struct dsa_switch *ds, int port)
return FR_MAX_SIZE;
}

+static void lan937x_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ struct ksz_device *dev = ds->priv;
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+ if (phy_interface_mode_is_rgmii(state->interface) ||
+ state->interface == PHY_INTERFACE_MODE_SGMII ||
+ state->interface == PHY_INTERFACE_MODE_RMII ||
+ state->interface == PHY_INTERFACE_MODE_MII ||
+ lan937x_is_internal_tx_phy_port(dev, port)) {
+ phylink_set(mask, 10baseT_Half);
+ phylink_set(mask, 10baseT_Full);
+ phylink_set(mask, 100baseT_Half);
+ phylink_set(mask, 100baseT_Full);
+ phylink_set(mask, Autoneg);
+ phylink_set_port_modes(mask);
+ phylink_set(mask, Pause);
+ phylink_set(mask, Asym_Pause);
+ }
+ /* For RGMII & SGMII interfaces */
+ if (phy_interface_mode_is_rgmii(state->interface) ||
+ state->interface == PHY_INTERFACE_MODE_SGMII) {
+ phylink_set(mask, 1000baseT_Full);
+ }
+ /* For T1 PHY */
+ if (lan937x_is_internal_t1_phy_port(dev, port)) {
+ phylink_set(mask, 100baseT_Full);
+ phylink_set_port_modes(mask);
+ }
+
+ bitmap_and(supported, supported, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_and(state->advertising, state->advertising, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
const struct dsa_switch_ops lan937x_switch_ops = {
.get_tag_protocol = lan937x_get_tag_protocol,
.setup = lan937x_setup,
@@ -339,6 +377,8 @@ const struct dsa_switch_ops lan937x_switch_ops = {
.port_fast_age = ksz_port_fast_age,
.port_max_mtu = lan937x_get_max_mtu,
.port_change_mtu = lan937x_change_mtu,
+ .phylink_validate = lan937x_phylink_validate,
+ .phylink_mac_link_down = ksz_mac_link_down,
};

int lan937x_switch_register(struct ksz_device *dev)
--
2.25.1
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