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Date: Sun, 2 Sep 2018 19:06:39 +0200
From: Andrew Lunn <andrew@...n.ch>
To: David Miller <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>,
Florian Fainelli <f.fainelli@...il.com>,
maxime.chevallier@...tlin.com, Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 10/12] net: ethernet: Add helper for set_pauseparam for Asym Pause
ethtool can be used to enable/disable pause. Add a helper to configure
the PHY when asym pause is supported.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
.../ethernet/apm/xgene/xgene_enet_ethtool.c | 26 ++-------
drivers/net/ethernet/aurora/nb8800.c | 9 +---
drivers/net/ethernet/broadcom/tg3.c | 43 +++++----------
drivers/net/ethernet/faraday/ftgmac100.c | 13 +----
.../ethernet/freescale/dpaa/dpaa_ethtool.c | 26 ++-------
.../net/ethernet/freescale/gianfar_ethtool.c | 53 +++++++------------
.../hisilicon/hns3/hns3pf/hclge_main.c | 8 +--
drivers/net/ethernet/socionext/sni_ave.c | 6 +--
drivers/net/phy/phy_device.c | 23 ++++++++
include/linux/phy.h | 1 +
10 files changed, 69 insertions(+), 139 deletions(-)
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
index 4f50f11718f4..dfe03afd00b0 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
@@ -306,7 +306,6 @@ static int xgene_set_pauseparam(struct net_device *ndev,
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = ndev->phydev;
- u32 oldadv, newadv;
if (phy_interface_mode_is_rgmii(pdata->phy_mode) ||
pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
@@ -322,29 +321,12 @@ static int xgene_set_pauseparam(struct net_device *ndev,
pdata->tx_pause = pp->tx_pause;
pdata->rx_pause = pp->rx_pause;
- oldadv = phydev->advertising;
- newadv = oldadv & ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
+ phy_set_asym_pause(phydev, pp->rx_pause, pp->tx_pause);
- if (pp->rx_pause)
- newadv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
-
- if (pp->tx_pause)
- newadv ^= ADVERTISED_Asym_Pause;
-
- if (oldadv ^ newadv) {
- phydev->advertising = newadv;
-
- if (phydev->autoneg)
- return phy_start_aneg(phydev);
-
- if (!pp->autoneg) {
- pdata->mac_ops->flowctl_tx(pdata,
- pdata->tx_pause);
- pdata->mac_ops->flowctl_rx(pdata,
- pdata->rx_pause);
- }
+ if (!pp->autoneg) {
+ pdata->mac_ops->flowctl_tx(pdata, pdata->tx_pause);
+ pdata->mac_ops->flowctl_rx(pdata, pdata->rx_pause);
}
-
} else {
if (pp->autoneg)
return -EINVAL;
diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index c8d1f8fa4713..6f56276015a4 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -935,18 +935,11 @@ static void nb8800_pause_adv(struct net_device *dev)
{
struct nb8800_priv *priv = netdev_priv(dev);
struct phy_device *phydev = dev->phydev;
- u32 adv = 0;
if (!phydev)
return;
- if (priv->pause_rx)
- adv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
- if (priv->pause_tx)
- adv ^= ADVERTISED_Asym_Pause;
-
- phydev->supported |= adv;
- phydev->advertising |= adv;
+ phy_set_asym_pause(phydev, priv->pause_rx, priv->pause_tx);
}
static int nb8800_open(struct net_device *dev)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 9aa7955d5d31..b406b6e34a8c 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -12492,7 +12492,6 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
tg3_warn_mgmt_link_flap(tp);
if (tg3_flag(tp, USE_PHYLIB)) {
- u32 newadv;
struct phy_device *phydev;
phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
@@ -12503,20 +12502,16 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
return -EINVAL;
tp->link_config.flowctrl = 0;
+ phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
if (epause->rx_pause) {
tp->link_config.flowctrl |= FLOW_CTRL_RX;
if (epause->tx_pause) {
tp->link_config.flowctrl |= FLOW_CTRL_TX;
- newadv = ADVERTISED_Pause;
- } else
- newadv = ADVERTISED_Pause |
- ADVERTISED_Asym_Pause;
+ }
} else if (epause->tx_pause) {
tp->link_config.flowctrl |= FLOW_CTRL_TX;
- newadv = ADVERTISED_Asym_Pause;
- } else
- newadv = 0;
+ }
if (epause->autoneg)
tg3_flag_set(tp, PAUSE_AUTONEG);
@@ -12524,33 +12519,19 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
tg3_flag_clear(tp, PAUSE_AUTONEG);
if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
- u32 oldadv = phydev->advertising &
- (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
- if (oldadv != newadv) {
- phydev->advertising &=
- ~(ADVERTISED_Pause |
- ADVERTISED_Asym_Pause);
- phydev->advertising |= newadv;
- if (phydev->autoneg) {
- /*
- * Always renegotiate the link to
- * inform our link partner of our
- * flow control settings, even if the
- * flow control is forced. Let
- * tg3_adjust_link() do the final
- * flow control setup.
- */
- return phy_start_aneg(phydev);
- }
+ if (phydev->autoneg) {
+ /* Always renegotiate the link to
+ * inform our link partner of our flow
+ * control settings, even if the flow
+ * control is forced. Let
+ * tg3_adjust_link() do the final flow
+ * control setup.
+ */
+ return phy_start_aneg(phydev);
}
if (!epause->autoneg)
tg3_setup_flow_control(tp, 0, 0);
- } else {
- tp->link_config.advertising &=
- ~(ADVERTISED_Pause |
- ADVERTISED_Asym_Pause);
- tp->link_config.advertising |= newadv;
}
} else {
int irq_sync = 0;
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 3f319ee66ab4..032d59ffae8b 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1219,18 +1219,9 @@ static int ftgmac100_set_pauseparam(struct net_device *netdev,
priv->tx_pause = pause->tx_pause;
priv->rx_pause = pause->rx_pause;
- if (phydev) {
- phydev->advertising &= ~ADVERTISED_Pause;
- phydev->advertising &= ~ADVERTISED_Asym_Pause;
+ if (phydev)
+ phy_set_asym_pause(phydev, pause->rx_pause, pause->tx_pause);
- if (pause->rx_pause) {
- phydev->advertising |= ADVERTISED_Pause;
- phydev->advertising |= ADVERTISED_Asym_Pause;
- }
-
- if (pause->tx_pause)
- phydev->advertising ^= ADVERTISED_Asym_Pause;
- }
if (netif_running(netdev)) {
if (phydev && priv->aneg_pause)
phy_start_aneg(phydev);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index 3184c8f7cdd0..80a9f2758030 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -210,28 +210,12 @@ static int dpaa_set_pauseparam(struct net_device *net_dev,
/* Determine the sym/asym advertised PAUSE capabilities from the desired
* rx/tx pause settings.
*/
- newadv = 0;
- if (epause->rx_pause)
- newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
- if (epause->tx_pause)
- newadv ^= ADVERTISED_Asym_Pause;
- oldadv = phydev->advertising &
- (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
-
- /* If there are differences between the old and the new advertised
- * values, restart PHY autonegotiation and advertise the new values.
- */
- if (oldadv != newadv) {
- phydev->advertising &= ~(ADVERTISED_Pause
- | ADVERTISED_Asym_Pause);
- phydev->advertising |= newadv;
- if (phydev->autoneg) {
- err = phy_start_aneg(phydev);
- if (err < 0)
- netdev_err(net_dev, "phy_start_aneg() = %d\n",
- err);
- }
+ phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
+ if (phydev->autoneg) {
+ err = phy_start_aneg(phydev);
+ if (err < 0)
+ netdev_err(net_dev, "phy_start_aneg() = %d\n", err);
}
fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
index 395a5266ea30..589a99718694 100644
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -503,7 +503,6 @@ static int gfar_spauseparam(struct net_device *dev,
struct gfar_private *priv = netdev_priv(dev);
struct phy_device *phydev = dev->phydev;
struct gfar __iomem *regs = priv->gfargrp[0].regs;
- u32 oldadv, newadv;
if (!phydev)
return -ENODEV;
@@ -514,54 +513,40 @@ static int gfar_spauseparam(struct net_device *dev,
return -EINVAL;
priv->rx_pause_en = priv->tx_pause_en = 0;
+ phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
if (epause->rx_pause) {
priv->rx_pause_en = 1;
if (epause->tx_pause) {
priv->tx_pause_en = 1;
- /* FLOW_CTRL_RX & TX */
- newadv = ADVERTISED_Pause;
- } else /* FLOW_CTLR_RX */
- newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
+ }
} else if (epause->tx_pause) {
priv->tx_pause_en = 1;
- /* FLOW_CTLR_TX */
- newadv = ADVERTISED_Asym_Pause;
- } else
- newadv = 0;
+ }
if (epause->autoneg)
priv->pause_aneg_en = 1;
else
priv->pause_aneg_en = 0;
- oldadv = phydev->advertising &
- (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
- if (oldadv != newadv) {
- phydev->advertising &=
- ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
- phydev->advertising |= newadv;
- if (phydev->autoneg)
- /* inform link partner of our
- * new flow ctrl settings
- */
- return phy_start_aneg(phydev);
-
- if (!epause->autoneg) {
- u32 tempval;
- tempval = gfar_read(®s->maccfg1);
- tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
-
- priv->tx_actual_en = 0;
- if (priv->tx_pause_en) {
- priv->tx_actual_en = 1;
- tempval |= MACCFG1_TX_FLOW;
- }
+ if (phydev->autoneg)
+ /* inform link partner of our new flow ctrl settings */
+ return phy_start_aneg(phydev);
- if (priv->rx_pause_en)
- tempval |= MACCFG1_RX_FLOW;
- gfar_write(®s->maccfg1, tempval);
+ if (!epause->autoneg) {
+ u32 tempval = gfar_read(®s->maccfg1);
+
+ tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
+
+ priv->tx_actual_en = 0;
+ if (priv->tx_pause_en) {
+ priv->tx_actual_en = 1;
+ tempval |= MACCFG1_TX_FLOW;
}
+
+ if (priv->rx_pause_en)
+ tempval |= MACCFG1_RX_FLOW;
+ gfar_write(®s->maccfg1, tempval);
}
return 0;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 8577dfc799ad..aa7babff2fc2 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5208,13 +5208,7 @@ static void hclge_set_flowctrl_adv(struct hclge_dev *hdev, u32 rx_en, u32 tx_en)
if (!phydev)
return;
- phydev->advertising &= ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
-
- if (rx_en)
- phydev->advertising |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
-
- if (tx_en)
- phydev->advertising ^= ADVERTISED_Asym_Pause;
+ phy_set_asym_pause(phydev, rx_en, tx_en);
}
static int hclge_cfg_pauseparam(struct hclge_dev *hdev, u32 rx_en, u32 tx_en)
diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index a50720ec109c..fedda3fa585d 100644
--- a/drivers/net/ethernet/socionext/sni_ave.c
+++ b/drivers/net/ethernet/socionext/sni_ave.c
@@ -461,11 +461,7 @@ static int ave_ethtool_set_pauseparam(struct net_device *ndev,
priv->pause_rx = pause->rx_pause;
priv->pause_tx = pause->tx_pause;
- phydev->advertising &= ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
- if (pause->rx_pause)
- phydev->advertising |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
- if (pause->tx_pause)
- phydev->advertising ^= ADVERTISED_Asym_Pause;
+ phy_set_asym_pause(phydev, pause->rx_pause, pause->tx_pause);
if (pause->autoneg) {
if (netif_running(ndev))
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 5273091450a8..bcdcd4a42d82 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1810,6 +1810,29 @@ void phy_support_asym_pause(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_support_asym_pause);
+/**
+ * phy_set_asym_pause - Configure Pause and Asym Pause
+ * @phydev: target phy_device struct
+ * @rx: Receiver Pause is supported
+ * @tx: Transmit Pause is supported
+ *
+ * Description: Configure advertised Pause support depending on if
+ * transmit and receiver pause is supported. Generally called from the
+ * set_pauseparam .ndo.
+ */
+void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx)
+{
+ phydev->supported &= ~(SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+
+ if (rx)
+ phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
+ if (tx)
+ phydev->supported ^= SUPPORTED_Asym_Pause;
+
+ phydev->advertising = phydev->supported;
+}
+EXPORT_SYMBOL(phy_set_asym_pause);
+
static void of_set_phy_supported(struct phy_device *phydev)
{
struct device_node *node = phydev->mdio.dev.of_node;
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 083d51ff6b5a..f767a8f22856 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1052,6 +1052,7 @@ int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode);
void phy_support_pause(struct phy_device *phydev);
void phy_support_asym_pause(struct phy_device *phydev);
+void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx);
int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
int (*run)(struct phy_device *));
--
2.19.0.rc1
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