[PATCH v2 net-next 5/9] net: dsa: microchip: add support for phylink management
From: Prasanna Vengateshan <hidden>
Date: 2021-04-22 09:43:57
Also in:
lkml, netdev
Subsystem:
microchip ksz series ethernet switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Woojung Huh, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
Support for phylink_validate() and reused KSZ commmon API for phylink_mac_link_down() operation Signed-off-by: Prasanna Vengateshan <redacted> --- drivers/net/dsa/microchip/lan937x_main.c | 42 ++++++++++++++++++++++++ 1 file changed, 42 insertions(+)
diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c
index 944c6f4d6d60..93c392081423 100644
--- a/drivers/net/dsa/microchip/lan937x_main.c
+++ b/drivers/net/dsa/microchip/lan937x_main.c@@ -312,6 +312,46 @@ 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_100BTX_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, 100baseT1_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); +} + static int lan937x_port_pre_bridge_flags(struct dsa_switch *ds, int port, struct switchdev_brport_flags flags, struct netlink_ext_ack *extack)
@@ -340,6 +380,8 @@ 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)
--
2.27.0