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-rw-r--r--drivers/net/dsa/sja1105/sja1105_main.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index f5205ce85dbe..74f8ff9e17e0 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -11,6 +11,7 @@
#include <linux/spi/spi.h>
#include <linux/errno.h>
#include <linux/gpio/consumer.h>
+#include <linux/phylink.h>
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
@@ -726,6 +727,35 @@ static void sja1105_adjust_link(struct dsa_switch *ds, int port,
sja1105_adjust_port_config(priv, port, phydev->speed, true);
}
+static void sja1105_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ /* Construct a new mask which exhaustively contains all link features
+ * supported by the MAC, and then apply that (logical AND) to what will
+ * be sent to the PHY for "marketing".
+ */
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+ struct sja1105_private *priv = ds->priv;
+ struct sja1105_xmii_params_entry *mii;
+
+ mii = priv->static_config.tables[BLK_IDX_XMII_PARAMS].entries;
+
+ /* The MAC does not support pause frames, and also doesn't
+ * support half-duplex traffic modes.
+ */
+ phylink_set(mask, Autoneg);
+ phylink_set(mask, MII);
+ phylink_set(mask, 10baseT_Full);
+ phylink_set(mask, 100baseT_Full);
+ if (mii->xmii_mode[port] == XMII_MODE_RGMII)
+ phylink_set(mask, 1000baseT_Full);
+
+ bitmap_and(supported, supported, mask, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_and(state->advertising, state->advertising, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
/* First-generation switches have a 4-way set associative TCAM that
* holds the FDB entries. An FDB index spans from 0 to 1023 and is comprised of
* a "bin" (grouping of 4 entries) and a "way" (an entry within a bin).
@@ -1278,6 +1308,7 @@ static const struct dsa_switch_ops sja1105_switch_ops = {
.setup = sja1105_setup,
.adjust_link = sja1105_adjust_link,
.set_ageing_time = sja1105_set_ageing_time,
+ .phylink_validate = sja1105_phylink_validate,
.get_strings = sja1105_get_strings,
.get_ethtool_stats = sja1105_get_ethtool_stats,
.get_sset_count = sja1105_get_sset_count,