qed, qede, qedf: convert link mode from u32 to ETHTOOL_LINK_MODE

Currently qed driver already ran out of 32 bits to store link modes,
and this doesn't allow to add and support more speeds.
Convert custom link mode to generic Ethtool bitmap and definitions
(convenient Phylink shorthands are used for elegance and readability).
This allowed us to drop all conversions/mappings between the driver
and Ethtool.

This involves changes in qede and qedf as well, as they used definitions
from shared "qed_if.h".

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 54 insertions, 146 deletions

diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index d3fc7403d095..0a564b06d697 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -13,6 +13,8 @@
 #include <linux/pci.h>
 #include <linux/capability.h>
 #include <linux/vmalloc.h>
+#include <linux/phylink.h>
+
 #include "qede.h"
 #include "qede_ptp.h"
 
@@ -418,76 +420,10 @@ static int qede_set_priv_flags(struct net_device *dev, u32 flags)
 	return 0;
 }
 
-struct qede_link_mode_mapping {
-	u32 qed_link_mode;
-	u32 ethtool_link_mode;
-};
-
-static const struct qede_link_mode_mapping qed_lm_map[] = {
-	{QED_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT},
-	{QED_LM_Autoneg_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT},
-	{QED_LM_Asym_Pause_BIT, ETHTOOL_LINK_MODE_Asym_Pause_BIT},
-	{QED_LM_Pause_BIT, ETHTOOL_LINK_MODE_Pause_BIT},
-	{QED_LM_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
-	{QED_LM_10000baseT_Full_BIT, ETHTOOL_LINK_MODE_10000baseT_Full_BIT},
-	{QED_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT},
-	{QED_LM_Backplane_BIT, ETHTOOL_LINK_MODE_Backplane_BIT},
-	{QED_LM_1000baseKX_Full_BIT, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT},
-	{QED_LM_10000baseKX4_Full_BIT, ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT},
-	{QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
-	{QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
-	{QED_LM_10000baseR_FEC_BIT, ETHTOOL_LINK_MODE_10000baseR_FEC_BIT},
-	{QED_LM_20000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT},
-	{QED_LM_40000baseKR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT},
-	{QED_LM_40000baseCR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT},
-	{QED_LM_40000baseSR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT},
-	{QED_LM_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT},
-	{QED_LM_25000baseCR_Full_BIT, ETHTOOL_LINK_MODE_25000baseCR_Full_BIT},
-	{QED_LM_25000baseKR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT},
-	{QED_LM_25000baseSR_Full_BIT, ETHTOOL_LINK_MODE_25000baseSR_Full_BIT},
-	{QED_LM_50000baseCR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT},
-	{QED_LM_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT},
-	{QED_LM_100000baseKR4_Full_BIT,
-		ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT},
-	{QED_LM_100000baseSR4_Full_BIT,
-		ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT},
-	{QED_LM_100000baseCR4_Full_BIT,
-		ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT},
-	{QED_LM_100000baseLR4_ER4_Full_BIT,
-		ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT},
-	{QED_LM_50000baseSR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT},
-	{QED_LM_1000baseX_Full_BIT, ETHTOOL_LINK_MODE_1000baseX_Full_BIT},
-	{QED_LM_10000baseCR_Full_BIT, ETHTOOL_LINK_MODE_10000baseCR_Full_BIT},
-	{QED_LM_10000baseSR_Full_BIT, ETHTOOL_LINK_MODE_10000baseSR_Full_BIT},
-	{QED_LM_10000baseLR_Full_BIT, ETHTOOL_LINK_MODE_10000baseLR_Full_BIT},
-	{QED_LM_10000baseLRM_Full_BIT, ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT},
-};
-
-#define QEDE_DRV_TO_ETHTOOL_CAPS(caps, lk_ksettings, name)	\
-{								\
-	int i;							\
-								\
-	for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) {		\
-		if ((caps) & (qed_lm_map[i].qed_link_mode))	\
-			__set_bit(qed_lm_map[i].ethtool_link_mode,\
-				  lk_ksettings->link_modes.name); \
-	}							\
-}
-
-#define QEDE_ETHTOOL_TO_DRV_CAPS(caps, lk_ksettings, name)	\
-{								\
-	int i;							\
-								\
-	for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) {		\
-		if (test_bit(qed_lm_map[i].ethtool_link_mode,	\
-			     lk_ksettings->link_modes.name))	\
-			caps |= qed_lm_map[i].qed_link_mode;	\
-	}							\
-}
-
 static int qede_get_link_ksettings(struct net_device *dev,
 				   struct ethtool_link_ksettings *cmd)
 {
+	typeof(cmd->link_modes) *link_modes = &cmd->link_modes;
 	struct ethtool_link_settings *base = &cmd->base;
 	struct qede_dev *edev = netdev_priv(dev);
 	struct qed_link_output current_link;
@@ -497,14 +433,9 @@ static int qede_get_link_ksettings(struct net_device *dev,
 	memset(&current_link, 0, sizeof(current_link));
 	edev->ops->common->get_link(edev->cdev, &current_link);
 
-	ethtool_link_ksettings_zero_link_mode(cmd, supported);
-	QEDE_DRV_TO_ETHTOOL_CAPS(current_link.supported_caps, cmd, supported)
-
-	ethtool_link_ksettings_zero_link_mode(cmd, advertising);
-	QEDE_DRV_TO_ETHTOOL_CAPS(current_link.advertised_caps, cmd, advertising)
-
-	ethtool_link_ksettings_zero_link_mode(cmd, lp_advertising);
-	QEDE_DRV_TO_ETHTOOL_CAPS(current_link.lp_caps, cmd, lp_advertising)
+	linkmode_copy(link_modes->supported, current_link.supported_caps);
+	linkmode_copy(link_modes->advertising, current_link.advertised_caps);
+	linkmode_copy(link_modes->lp_advertising, current_link.lp_caps);
 
 	if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) {
 		base->speed = current_link.speed;
@@ -527,10 +458,10 @@ static int qede_set_link_ksettings(struct net_device *dev,
 				   const struct ethtool_link_ksettings *cmd)
 {
 	const struct ethtool_link_settings *base = &cmd->base;
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(sup_caps);
 	struct qede_dev *edev = netdev_priv(dev);
 	struct qed_link_output current_link;
 	struct qed_link_params params;
-	u32 sup_caps;
 
 	if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
 		DP_INFO(edev, "Link settings are not allowed to be changed\n");
@@ -542,105 +473,79 @@ static int qede_set_link_ksettings(struct net_device *dev,
 
 	params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS;
 	params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG;
+
 	if (base->autoneg == AUTONEG_ENABLE) {
-		if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
+		if (!phylink_test(current_link.supported_caps, Autoneg)) {
 			DP_INFO(edev, "Auto negotiation is not supported\n");
 			return -EOPNOTSUPP;
 		}
 
 		params.autoneg = true;
 		params.forced_speed = 0;
-		QEDE_ETHTOOL_TO_DRV_CAPS(params.adv_speeds, cmd, advertising)
+
+		linkmode_copy(params.adv_speeds, cmd->link_modes.advertising);
 	} else {		/* forced speed */
 		params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED;
 		params.autoneg = false;
 		params.forced_speed = base->speed;
+
+		phylink_zero(sup_caps);
+
 		switch (base->speed) {
 		case SPEED_1000:
-			sup_caps = QED_LM_1000baseT_Full_BIT |
-					QED_LM_1000baseKX_Full_BIT |
-					QED_LM_1000baseX_Full_BIT;
-			if (!(current_link.supported_caps & sup_caps)) {
-				DP_INFO(edev, "1G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = current_link.supported_caps &
-						sup_caps;
+			phylink_set(sup_caps, 1000baseT_Full);
+			phylink_set(sup_caps, 1000baseKX_Full);
+			phylink_set(sup_caps, 1000baseX_Full);
 			break;
 		case SPEED_10000:
-			sup_caps = QED_LM_10000baseT_Full_BIT |
-					QED_LM_10000baseKR_Full_BIT |
-					QED_LM_10000baseKX4_Full_BIT |
-					QED_LM_10000baseR_FEC_BIT |
-					QED_LM_10000baseCR_Full_BIT |
-					QED_LM_10000baseSR_Full_BIT |
-					QED_LM_10000baseLR_Full_BIT |
-					QED_LM_10000baseLRM_Full_BIT;
-			if (!(current_link.supported_caps & sup_caps)) {
-				DP_INFO(edev, "10G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = current_link.supported_caps &
-						sup_caps;
+			phylink_set(sup_caps, 10000baseT_Full);
+			phylink_set(sup_caps, 10000baseKR_Full);
+			phylink_set(sup_caps, 10000baseKX4_Full);
+			phylink_set(sup_caps, 10000baseR_FEC);
+			phylink_set(sup_caps, 10000baseCR_Full);
+			phylink_set(sup_caps, 10000baseSR_Full);
+			phylink_set(sup_caps, 10000baseLR_Full);
+			phylink_set(sup_caps, 10000baseLRM_Full);
 			break;
 		case SPEED_20000:
-			if (!(current_link.supported_caps &
-			    QED_LM_20000baseKR2_Full_BIT)) {
-				DP_INFO(edev, "20G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = QED_LM_20000baseKR2_Full_BIT;
+			phylink_set(sup_caps, 20000baseKR2_Full);
 			break;
 		case SPEED_25000:
-			sup_caps = QED_LM_25000baseKR_Full_BIT |
-					QED_LM_25000baseCR_Full_BIT |
-					QED_LM_25000baseSR_Full_BIT;
-			if (!(current_link.supported_caps & sup_caps)) {
-				DP_INFO(edev, "25G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = current_link.supported_caps &
-						sup_caps;
+			phylink_set(sup_caps, 25000baseKR_Full);
+			phylink_set(sup_caps, 25000baseCR_Full);
+			phylink_set(sup_caps, 25000baseSR_Full);
 			break;
 		case SPEED_40000:
-			sup_caps = QED_LM_40000baseLR4_Full_BIT |
-					QED_LM_40000baseKR4_Full_BIT |
-					QED_LM_40000baseCR4_Full_BIT |
-					QED_LM_40000baseSR4_Full_BIT;
-			if (!(current_link.supported_caps & sup_caps)) {
-				DP_INFO(edev, "40G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = current_link.supported_caps &
-						sup_caps;
+			phylink_set(sup_caps, 40000baseLR4_Full);
+			phylink_set(sup_caps, 40000baseKR4_Full);
+			phylink_set(sup_caps, 40000baseCR4_Full);
+			phylink_set(sup_caps, 40000baseSR4_Full);
 			break;
 		case SPEED_50000:
-			sup_caps = QED_LM_50000baseKR2_Full_BIT |
-					QED_LM_50000baseCR2_Full_BIT |
-					QED_LM_50000baseSR2_Full_BIT;
-			if (!(current_link.supported_caps & sup_caps)) {
-				DP_INFO(edev, "50G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = current_link.supported_caps &
-						sup_caps;
+			phylink_set(sup_caps, 50000baseKR2_Full);
+			phylink_set(sup_caps, 50000baseCR2_Full);
+			phylink_set(sup_caps, 50000baseSR2_Full);
 			break;
 		case SPEED_100000:
-			sup_caps = QED_LM_100000baseKR4_Full_BIT |
-					QED_LM_100000baseSR4_Full_BIT |
-					QED_LM_100000baseCR4_Full_BIT |
-					QED_LM_100000baseLR4_ER4_Full_BIT;
-			if (!(current_link.supported_caps & sup_caps)) {
-				DP_INFO(edev, "100G speed not supported\n");
-				return -EINVAL;
-			}
-			params.adv_speeds = current_link.supported_caps &
-						sup_caps;
+			phylink_set(sup_caps, 100000baseKR4_Full);
+			phylink_set(sup_caps, 100000baseSR4_Full);
+			phylink_set(sup_caps, 100000baseCR4_Full);
+			phylink_set(sup_caps, 100000baseLR4_ER4_Full);
 			break;
 		default:
 			DP_INFO(edev, "Unsupported speed %u\n", base->speed);
 			return -EINVAL;
 		}
+
+		if (!linkmode_intersects(current_link.supported_caps,
+					 sup_caps)) {
+			DP_INFO(edev, "%uG speed not supported\n",
+				base->speed / 1000);
+			return -EINVAL;
+		}
+
+		linkmode_and(params.adv_speeds, current_link.supported_caps,
+			     sup_caps);
 	}
 
 	params.link_up = true;
@@ -1006,13 +911,16 @@ static int qede_set_pauseparam(struct net_device *dev,
 
 	memset(&params, 0, sizeof(params));
 	params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG;
+
 	if (epause->autoneg) {
-		if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
+		if (!phylink_test(current_link.supported_caps, Autoneg)) {
 			DP_INFO(edev, "autoneg not supported\n");
 			return -EINVAL;
 		}
+
 		params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
 	}
+
 	if (epause->rx_pause)
 		params.pause_config |= QED_LINK_PAUSE_RX_ENABLE;
 	if (epause->tx_pause)