diff mbox series

[RFC,net-next,04/15] net: pcs: xpcs: update PCS driver to use neg_mode

Message ID E1q959Y-00EBvq-50@rmk-PC.armlinux.org.uk (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Add and use helper for PCS negotiation modes | expand

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Context Check Description
netdev/series_format warning Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 35 this patch: 35
netdev/cc_maintainers success CCed 15 of 15 maintainers
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 35 this patch: 35
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 201 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Russell King (Oracle) June 13, 2023, 2:37 p.m. UTC 
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@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 mbox series

Patch

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);