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Date: Tue, 4 Sep 2018 15:11:19 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: netdev@...r.kernel.org
Cc: Florian Fainelli <f.fainelli@...il.com>, andrew@...n.ch,
vivien.didelot@...oirfairelinux.com, davem@...emloft.net
Subject: [PATCH net-next 4/5] net: dsa: b53: Add PHYLINK support
Add support for PHYLINK, things are reasonably straight forward since we
do not yet support SerDes interfaces, that leaves us with just
MLO_AN_PHY and MLO_AN_FIXED to deal with.
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
drivers/net/dsa/b53/b53_common.c | 120 +++++++++++++++++++++++++++++++
drivers/net/dsa/b53/b53_priv.h | 17 +++++
2 files changed, 137 insertions(+)
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 78aeaccf19a1..108d272ca4c7 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1109,6 +1109,120 @@ static void b53_adjust_link(struct dsa_switch *ds, int port,
p->eee_enabled = b53_eee_init(ds, port, phydev);
}
+void b53_port_event(struct dsa_switch *ds, int port)
+{
+ struct b53_device *dev = ds->priv;
+ bool link;
+ u16 sts;
+
+ b53_read16(dev, B53_STAT_PAGE, B53_LINK_STAT, &sts);
+ link = !!(sts & BIT(port));
+ dsa_port_phylink_mac_change(ds, port, link);
+}
+EXPORT_SYMBOL(b53_port_event);
+
+void b53_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ struct b53_device *dev = ds->priv;
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+ /* Allow all the expected bits */
+ phylink_set(mask, Autoneg);
+ phylink_set_port_modes(mask);
+ phylink_set(mask, Pause);
+ phylink_set(mask, Asym_Pause);
+
+ /* With the exclusion of 5325/5365, MII, Reverse MII and 802.3z, we
+ * support Gigabit, including Half duplex.
+ */
+ if (state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_REVMII &&
+ !phy_interface_mode_is_8023z(state->interface) &&
+ !(is5325(dev) || is5365(dev))) {
+ phylink_set(mask, 1000baseT_Full);
+ phylink_set(mask, 1000baseT_Half);
+ }
+
+ if (!phy_interface_mode_is_8023z(state->interface)) {
+ phylink_set(mask, 10baseT_Half);
+ phylink_set(mask, 10baseT_Full);
+ phylink_set(mask, 100baseT_Half);
+ phylink_set(mask, 100baseT_Full);
+ }
+
+ bitmap_and(supported, supported, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_and(state->advertising, state->advertising, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+
+ phylink_helper_basex_speed(state);
+}
+EXPORT_SYMBOL(b53_phylink_validate);
+
+int b53_phylink_mac_link_state(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state)
+{
+ int ret = -EOPNOTSUPP;
+
+ return ret;
+}
+EXPORT_SYMBOL(b53_phylink_mac_link_state);
+
+void b53_phylink_mac_config(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct b53_device *dev = ds->priv;
+
+ if (mode == MLO_AN_PHY)
+ return;
+
+ if (mode == MLO_AN_FIXED)
+ b53_force_port_config(dev, port, state->speed,
+ state->duplex, state->pause);
+}
+EXPORT_SYMBOL(b53_phylink_mac_config);
+
+void b53_phylink_mac_an_restart(struct dsa_switch *ds, int port)
+{
+}
+EXPORT_SYMBOL(b53_phylink_mac_an_restart);
+
+void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface)
+{
+ struct b53_device *dev = ds->priv;
+
+ if (mode == MLO_AN_PHY)
+ return;
+
+ if (mode == MLO_AN_FIXED) {
+ b53_force_link(dev, port, false);
+ return;
+ }
+}
+EXPORT_SYMBOL(b53_phylink_mac_link_down);
+
+void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface,
+ struct phy_device *phydev)
+{
+ struct b53_device *dev = ds->priv;
+
+ if (mode == MLO_AN_PHY)
+ return;
+
+ if (mode == MLO_AN_FIXED) {
+ b53_force_link(dev, port, true);
+ return;
+ }
+}
+EXPORT_SYMBOL(b53_phylink_mac_link_up);
+
int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering)
{
return 0;
@@ -1750,6 +1864,12 @@ static const struct dsa_switch_ops b53_switch_ops = {
.phy_read = b53_phy_read16,
.phy_write = b53_phy_write16,
.adjust_link = b53_adjust_link,
+ .phylink_validate = b53_phylink_validate,
+ .phylink_mac_link_state = b53_phylink_mac_link_state,
+ .phylink_mac_config = b53_phylink_mac_config,
+ .phylink_mac_an_restart = b53_phylink_mac_an_restart,
+ .phylink_mac_link_down = b53_phylink_mac_link_down,
+ .phylink_mac_link_up = b53_phylink_mac_link_up,
.port_enable = b53_enable_port,
.port_disable = b53_disable_port,
.get_mac_eee = b53_get_mac_eee,
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
index 2980a5838f58..3f79dc07c00f 100644
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -300,6 +300,23 @@ int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge);
void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge);
void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);
void b53_br_fast_age(struct dsa_switch *ds, int port);
+void b53_port_event(struct dsa_switch *ds, int port);
+void b53_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state);
+int b53_phylink_mac_link_state(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state);
+void b53_phylink_mac_config(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ const struct phylink_link_state *state);
+void b53_phylink_mac_an_restart(struct dsa_switch *ds, int port);
+void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface);
+void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface,
+ struct phy_device *phydev);
int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering);
int b53_vlan_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
--
2.17.1
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