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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@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2018-09-12 01:53:17 +02:00 committed by David S. Miller
parent c306ad3618
commit 70814e819c
10 changed files with 68 additions and 147 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
View File

@ -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;

9
drivers/net/ethernet/aurora/nb8800.c
View File

@ -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)

43
drivers/net/ethernet/broadcom/tg3.c
View File

@ -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) {
/* phy_set_asym_pause() will
* 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 0;
}
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;

17
drivers/net/ethernet/faraday/ftgmac100.c
View File

@ -1219,22 +1219,11 @@ 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);
else
if (!(phydev && priv->aneg_pause))
ftgmac100_config_pause(priv);
}

23
drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
View File

@ -210,29 +210,8 @@ 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);
fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);

47
drivers/net/ethernet/freescale/gianfar_ethtool.c
View File

@ -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 +513,36 @@ 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 = gfar_read(&regs->maccfg1);
if (!epause->autoneg) {
u32 tempval;
tempval = gfar_read(&regs->maccfg1);
tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
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(&regs->maccfg1, tempval);
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(&regs->maccfg1, tempval);
}
return 0;

8
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View File

@ -5228,13 +5228,7 @@ 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)

11
drivers/net/ethernet/socionext/sni_ave.c
View File

@ -461,16 +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;
if (pause->autoneg) {
if (netif_running(ndev))
phy_start_aneg(phydev);
}
phy_set_asym_pause(phydev, pause->rx_pause, pause->tx_pause);
return 0;
}

30
drivers/net/phy/phy_device.c
View File

@ -1810,6 +1810,36 @@ 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. If there has been a
* change in adverting, trigger a new autoneg. Generally called from
* the set_pauseparam .ndo.
*/
void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx)
{
u16 oldadv = phydev->advertising;
u16 newadv = oldadv &= ~(SUPPORTED_Pause | SUPPORTED_Asym_Pause);
if (rx)
newadv |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
if (tx)
newadv ^= SUPPORTED_Asym_Pause;
if (oldadv != newadv) {
phydev->advertising = newadv;
if (phydev->autoneg)
phy_start_aneg(phydev);
}
}
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;

1
include/linux/phy.h
View File

@ -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_sym_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 *));