Commit 9577035f authored by Jiawen Wu's avatar Jiawen Wu Committed by Duanqiang Wen
Browse files

net: ngbe: convert phylib to phylink

mainline inclusion
from mainline-v6.8-rc1
commit bc2426d74aa35cd8ec9c97a253ef57c2c5cd730c
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I93QRU
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc2426d74aa35cd8ec9c97a253ef57c2c5cd730c



---------------------------------------------------------

Implement phylink in ngbe driver, to handle phy uniformly for Wangxun
ethernet devices.

Signed-off-by: default avatarJiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarDuanqiang Wen <duanqiangwen@net-swift.com>
parent 0dc39829
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+3 −3
Original line number Diff line number Diff line
@@ -44,9 +44,9 @@ static int ngbe_set_wol(struct net_device *netdev,
static const struct ethtool_ops ngbe_ethtool_ops = {
	.get_drvinfo		= wx_get_drvinfo,
	.get_link		= ethtool_op_get_link,
	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
	.nway_reset		= phy_ethtool_nway_reset,
	.get_link_ksettings	= wx_get_link_ksettings,
	.set_link_ksettings	= wx_set_link_ksettings,
	.nway_reset		= wx_nway_reset,
	.get_wol		= ngbe_get_wol,
	.set_wol		= ngbe_set_wol,
	.get_sset_count		= wx_get_sset_count,
+7 −5
Original line number Diff line number Diff line
@@ -336,7 +336,7 @@ static void ngbe_disable_device(struct wx *wx)

static void ngbe_down(struct wx *wx)
{
	phy_stop(wx->phydev);
	phylink_stop(wx->phylink);
	ngbe_disable_device(wx);
	wx_clean_all_tx_rings(wx);
	wx_clean_all_rx_rings(wx);
@@ -359,7 +359,7 @@ static void ngbe_up(struct wx *wx)
	if (wx->gpio_ctrl)
		ngbe_sfp_modules_txrx_powerctl(wx, true);

	phy_start(wx->phydev);
	phylink_start(wx->phylink);
}

/**
@@ -388,7 +388,7 @@ static int ngbe_open(struct net_device *netdev)
	if (err)
		goto err_free_resources;

	err = ngbe_phy_connect(wx);
	err = phylink_connect_phy(wx->phylink, wx->phydev);
	if (err)
		goto err_free_irq;

@@ -404,7 +404,7 @@ static int ngbe_open(struct net_device *netdev)

	return 0;
err_dis_phy:
	phy_disconnect(wx->phydev);
	phylink_disconnect_phy(wx->phylink);
err_free_irq:
	wx_free_irq(wx);
err_free_resources:
@@ -430,7 +430,7 @@ static int ngbe_close(struct net_device *netdev)
	ngbe_down(wx);
	wx_free_irq(wx);
	wx_free_resources(wx);
	phy_disconnect(wx->phydev);
	phylink_disconnect_phy(wx->phylink);
	wx_control_hw(wx, false);

	return 0;
@@ -681,6 +681,7 @@ static int ngbe_probe(struct pci_dev *pdev,
	return 0;

err_register:
	phylink_destroy(wx->phylink);
	wx_control_hw(wx, false);
err_clear_interrupt_scheme:
	wx_clear_interrupt_scheme(wx);
@@ -710,6 +711,7 @@ static void ngbe_remove(struct pci_dev *pdev)

	netdev = wx->netdev;
	unregister_netdev(netdev);
	phylink_destroy(wx->phylink);
	pci_release_selected_regions(pdev,
				     pci_select_bars(pdev, IORESOURCE_MEM));

+60 −54
Original line number Diff line number Diff line
@@ -56,22 +56,26 @@ static int ngbe_phy_write_reg_c22(struct mii_bus *bus, int phy_addr,
	return ret;
}

static void ngbe_handle_link_change(struct net_device *dev)
static void ngbe_mac_config(struct phylink_config *config, unsigned int mode,
			    const struct phylink_link_state *state)
{
	struct wx *wx = netdev_priv(dev);
	struct phy_device *phydev;
	u32 lan_speed, reg;
}

	phydev = wx->phydev;
	if (!(wx->link != phydev->link ||
	      wx->speed != phydev->speed ||
	      wx->duplex != phydev->duplex))
		return;
static void ngbe_mac_link_down(struct phylink_config *config,
			       unsigned int mode, phy_interface_t interface)
{
}

static void ngbe_mac_link_up(struct phylink_config *config,
			     struct phy_device *phy,
			     unsigned int mode, phy_interface_t interface,
			     int speed, int duplex,
			     bool tx_pause, bool rx_pause)
{
	struct wx *wx = phylink_to_wx(config);
	u32 lan_speed, reg;

	wx->link = phydev->link;
	wx->speed = phydev->speed;
	wx->duplex = phydev->duplex;
	switch (phydev->speed) {
	switch (speed) {
	case SPEED_10:
		lan_speed = 0;
		break;
@@ -83,54 +87,51 @@ static void ngbe_handle_link_change(struct net_device *dev)
		lan_speed = 2;
		break;
	}

	wr32m(wx, NGBE_CFG_LAN_SPEED, 0x3, lan_speed);

	if (phydev->link) {
	reg = rd32(wx, WX_MAC_TX_CFG);
	reg &= ~WX_MAC_TX_CFG_SPEED_MASK;
	reg |= WX_MAC_TX_CFG_SPEED_1G | WX_MAC_TX_CFG_TE;
	wr32(wx, WX_MAC_TX_CFG, reg);
		/* Re configure MAC RX */

	/* Re configure MAC Rx */
	reg = rd32(wx, WX_MAC_RX_CFG);
	wr32(wx, WX_MAC_RX_CFG, reg);
	wr32(wx, WX_MAC_PKT_FLT, WX_MAC_PKT_FLT_PR);
	reg = rd32(wx, WX_MAC_WDG_TIMEOUT);
	wr32(wx, WX_MAC_WDG_TIMEOUT, reg);
}
	phy_print_status(phydev);
}

int ngbe_phy_connect(struct wx *wx)
static const struct phylink_mac_ops ngbe_mac_ops = {
	.mac_config = ngbe_mac_config,
	.mac_link_down = ngbe_mac_link_down,
	.mac_link_up = ngbe_mac_link_up,
};

static int ngbe_phylink_init(struct wx *wx)
{
	int ret;
	struct phylink_config *config;
	phy_interface_t phy_mode;
	struct phylink *phylink;

	ret = phy_connect_direct(wx->netdev,
				 wx->phydev,
				 ngbe_handle_link_change,
				 PHY_INTERFACE_MODE_RGMII_ID);
	if (ret) {
		wx_err(wx, "PHY connect failed.\n");
		return ret;
	}
	config = &wx->phylink_config;
	config->dev = &wx->netdev->dev;
	config->type = PHYLINK_NETDEV;
	config->mac_capabilities = MAC_1000FD | MAC_100FD | MAC_10FD |
				   MAC_SYM_PAUSE | MAC_ASYM_PAUSE;
	config->mac_managed_pm = true;

	return 0;
}
	phy_mode = PHY_INTERFACE_MODE_RGMII_ID;
	__set_bit(PHY_INTERFACE_MODE_RGMII_ID, config->supported_interfaces);

static void ngbe_phy_fixup(struct wx *wx)
{
	struct phy_device *phydev = wx->phydev;
	struct ethtool_eee eee;

	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_10baseT_Half_BIT);
	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_100baseT_Half_BIT);
	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_1000baseT_Half_BIT);

	phydev->mac_managed_pm = true;
	if (wx->mac_type != em_mac_type_mdi)
		return;
	/* disable EEE, internal phy does not support eee */
	memset(&eee, 0, sizeof(eee));
	phy_ethtool_set_eee(phydev, &eee);
	phylink = phylink_create(config, NULL, phy_mode, &ngbe_mac_ops);
	if (IS_ERR(phylink))
		return PTR_ERR(phylink);

	wx->phylink = phylink;

	return 0;
}

int ngbe_mdio_init(struct wx *wx)
@@ -165,11 +166,16 @@ int ngbe_mdio_init(struct wx *wx)
		return -ENODEV;

	phy_attached_info(wx->phydev);
	ngbe_phy_fixup(wx);

	wx->link = 0;
	wx->speed = 0;
	wx->duplex = 0;

	ret = ngbe_phylink_init(wx);
	if (ret) {
		wx_err(wx, "failed to init phylink: %d\n", ret);
		return ret;
	}

	return 0;
}
+0 −1
Original line number Diff line number Diff line
@@ -7,6 +7,5 @@
#ifndef _NGBE_MDIO_H_
#define _NGBE_MDIO_H_

int ngbe_phy_connect(struct wx *wx);
int ngbe_mdio_init(struct wx *wx);
#endif /* _NGBE_MDIO_H_ */