[PATCH RFC net-next 04/15] net: pcs: xpcs: update PCS driver to use neg_mode
Russell King (Oracle)
rmk+kernel at armlinux.org.uk
Tue Jun 13 07:37:48 PDT 2023
Update xpcs to use neg_mode to configure whether inband negotiation
should be used. We need to update sja1105 as well as that directly
calls into the XPCS driver's config function.
Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
---
drivers/net/dsa/sja1105/sja1105_main.c | 14 ++++-----
drivers/net/pcs/pcs-xpcs.c | 43 ++++++++++++++------------
include/linux/pcs/pcs-xpcs.h | 4 +--
3 files changed, 31 insertions(+), 30 deletions(-)
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index b70dcf32a26d..a55a6436fc05 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -2314,7 +2314,7 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
for (i = 0; i < ds->num_ports; i++) {
struct dw_xpcs *xpcs = priv->xpcs[i];
- unsigned int mode;
+ unsigned int neg_mode;
rc = sja1105_adjust_port_config(priv, i, speed_mbps[i]);
if (rc < 0)
@@ -2324,17 +2324,15 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
continue;
if (bmcr[i] & BMCR_ANENABLE)
- mode = MLO_AN_INBAND;
- else if (priv->fixed_link[i])
- mode = MLO_AN_FIXED;
+ neg_mode = PHYLINK_PCS_NEG_INBAND_ENABLED;
else
- mode = MLO_AN_PHY;
+ neg_mode = PHYLINK_PCS_NEG_OUTBAND;
- rc = xpcs_do_config(xpcs, priv->phy_mode[i], mode, NULL);
+ rc = xpcs_do_config(xpcs, priv->phy_mode[i], NULL, neg_mode);
if (rc < 0)
goto out;
- if (!phylink_autoneg_inband(mode)) {
+ if (neg_mode == PHYLINK_PCS_NEG_OUTBAND) {
int speed = SPEED_UNKNOWN;
if (priv->phy_mode[i] == PHY_INTERFACE_MODE_2500BASEX)
@@ -2346,7 +2344,7 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
else
speed = SPEED_10;
- xpcs_link_up(&xpcs->pcs, mode, priv->phy_mode[i],
+ xpcs_link_up(&xpcs->pcs, neg_mode, priv->phy_mode[i],
speed, DUPLEX_FULL);
}
}
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index e4e59aa9faf7..44b037646865 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -657,7 +657,8 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable)
}
EXPORT_SYMBOL_GPL(xpcs_config_eee);
-static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode)
+static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs,
+ unsigned int neg_mode)
{
int ret, mdio_ctrl;
@@ -707,7 +708,7 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode)
if (ret < 0)
return ret;
- if (phylink_autoneg_inband(mode))
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
ret |= DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW;
else
ret &= ~DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW;
@@ -716,14 +717,15 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode)
if (ret < 0)
return ret;
- if (phylink_autoneg_inband(mode))
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
ret = xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_CTRL,
mdio_ctrl | AN_CL37_EN);
return ret;
}
-static int xpcs_config_aneg_c37_1000basex(struct dw_xpcs *xpcs, unsigned int mode,
+static int xpcs_config_aneg_c37_1000basex(struct dw_xpcs *xpcs,
+ unsigned int neg_mode,
const unsigned long *advertising)
{
phy_interface_t interface = PHY_INTERFACE_MODE_1000BASEX;
@@ -774,8 +776,7 @@ static int xpcs_config_aneg_c37_1000basex(struct dw_xpcs *xpcs, unsigned int mod
if (ret < 0)
return ret;
- if (phylink_autoneg_inband(mode) &&
- linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, advertising)) {
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED) {
ret = xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_CTRL,
mdio_ctrl | AN_CL37_EN);
if (ret < 0)
@@ -808,7 +809,7 @@ static int xpcs_config_2500basex(struct dw_xpcs *xpcs)
}
int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface,
- unsigned int mode, const unsigned long *advertising)
+ const unsigned long *advertising, unsigned int neg_mode)
{
const struct xpcs_compat *compat;
int ret;
@@ -821,19 +822,19 @@ int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface,
case DW_10GBASER:
break;
case DW_AN_C73:
- if (test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, advertising)) {
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED) {
ret = xpcs_config_aneg_c73(xpcs, compat);
if (ret)
return ret;
}
break;
case DW_AN_C37_SGMII:
- ret = xpcs_config_aneg_c37_sgmii(xpcs, mode);
+ ret = xpcs_config_aneg_c37_sgmii(xpcs, neg_mode);
if (ret)
return ret;
break;
case DW_AN_C37_1000BASEX:
- ret = xpcs_config_aneg_c37_1000basex(xpcs, mode,
+ ret = xpcs_config_aneg_c37_1000basex(xpcs, neg_mode,
advertising);
if (ret)
return ret;
@@ -857,14 +858,14 @@ int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface,
}
EXPORT_SYMBOL_GPL(xpcs_do_config);
-static int xpcs_config(struct phylink_pcs *pcs, unsigned int mode,
+static int xpcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
phy_interface_t interface,
const unsigned long *advertising,
bool permit_pause_to_mac)
{
struct dw_xpcs *xpcs = phylink_pcs_to_xpcs(pcs);
- return xpcs_do_config(xpcs, interface, mode, advertising);
+ return xpcs_do_config(xpcs, interface, advertising, neg_mode);
}
static int xpcs_get_state_c73(struct dw_xpcs *xpcs,
@@ -898,7 +899,8 @@ static int xpcs_get_state_c73(struct dw_xpcs *xpcs,
state->link = 0;
- return xpcs_do_config(xpcs, state->interface, MLO_AN_INBAND, NULL);
+ return xpcs_do_config(xpcs, state->interface, NULL,
+ PHYLINK_PCS_NEG_INBAND_ENABLED);
}
/* There is no point doing anything else if the link is down. */
@@ -1046,12 +1048,12 @@ static void xpcs_get_state(struct phylink_pcs *pcs,
}
}
-static void xpcs_link_up_sgmii(struct dw_xpcs *xpcs, unsigned int mode,
+static void xpcs_link_up_sgmii(struct dw_xpcs *xpcs, unsigned int neg_mode,
int speed, int duplex)
{
int val, ret;
- if (phylink_autoneg_inband(mode))
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
return;
val = mii_bmcr_encode_fixed(speed, duplex);
@@ -1060,12 +1062,12 @@ static void xpcs_link_up_sgmii(struct dw_xpcs *xpcs, unsigned int mode,
pr_err("%s: xpcs_write returned %pe\n", __func__, ERR_PTR(ret));
}
-static void xpcs_link_up_1000basex(struct dw_xpcs *xpcs, unsigned int mode,
+static void xpcs_link_up_1000basex(struct dw_xpcs *xpcs, unsigned int neg_mode,
int speed, int duplex)
{
int val, ret;
- if (phylink_autoneg_inband(mode))
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
return;
switch (speed) {
@@ -1089,7 +1091,7 @@ static void xpcs_link_up_1000basex(struct dw_xpcs *xpcs, unsigned int mode,
pr_err("%s: xpcs_write returned %pe\n", __func__, ERR_PTR(ret));
}
-void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
+void xpcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode,
phy_interface_t interface, int speed, int duplex)
{
struct dw_xpcs *xpcs = phylink_pcs_to_xpcs(pcs);
@@ -1097,9 +1099,9 @@ void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
if (interface == PHY_INTERFACE_MODE_USXGMII)
return xpcs_config_usxgmii(xpcs, speed);
if (interface == PHY_INTERFACE_MODE_SGMII)
- return xpcs_link_up_sgmii(xpcs, mode, speed, duplex);
+ return xpcs_link_up_sgmii(xpcs, neg_mode, speed, duplex);
if (interface == PHY_INTERFACE_MODE_1000BASEX)
- return xpcs_link_up_1000basex(xpcs, mode, speed, duplex);
+ return xpcs_link_up_1000basex(xpcs, neg_mode, speed, duplex);
}
EXPORT_SYMBOL_GPL(xpcs_link_up);
@@ -1283,6 +1285,7 @@ static struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev,
}
xpcs->pcs.ops = &xpcs_phylink_ops;
+ xpcs->pcs.neg_mode = true;
if (compat->an_mode == DW_10GBASER)
return xpcs;
diff --git a/include/linux/pcs/pcs-xpcs.h b/include/linux/pcs/pcs-xpcs.h
index ec8175b847cc..ff99cf7a5d0d 100644
--- a/include/linux/pcs/pcs-xpcs.h
+++ b/include/linux/pcs/pcs-xpcs.h
@@ -29,10 +29,10 @@ struct dw_xpcs {
};
int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface);
-void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
+void xpcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode,
phy_interface_t interface, int speed, int duplex);
int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface,
- unsigned int mode, const unsigned long *advertising);
+ const unsigned long *advertising, unsigned int neg_mode);
void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces);
int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,
int enable);
--
2.30.2
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