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1// SPDX-License-Identifier: GPL-2.0+2/* Copyright (c) Tehuti Networks Ltd. */3 4#include <linux/netdevice.h>5#include <linux/pci.h>6#include <linux/phylink.h>7 8#include "tn40.h"9 10static struct tn40_priv *tn40_config_to_priv(struct phylink_config *config)11{12 return container_of(config, struct tn40_priv, phylink_config);13}14 15static void tn40_link_up(struct phylink_config *config, struct phy_device *phy,16 unsigned int mode, phy_interface_t interface,17 int speed, int duplex, bool tx_pause, bool rx_pause)18{19 struct tn40_priv *priv = tn40_config_to_priv(config);20 21 tn40_set_link_speed(priv, speed);22 netif_wake_queue(priv->ndev);23}24 25static void tn40_link_down(struct phylink_config *config, unsigned int mode,26 phy_interface_t interface)27{28 struct tn40_priv *priv = tn40_config_to_priv(config);29 30 netif_stop_queue(priv->ndev);31 tn40_set_link_speed(priv, 0);32}33 34static void tn40_mac_config(struct phylink_config *config, unsigned int mode,35 const struct phylink_link_state *state)36{37}38 39static const struct phylink_mac_ops tn40_mac_ops = {40 .mac_config = tn40_mac_config,41 .mac_link_up = tn40_link_up,42 .mac_link_down = tn40_link_down,43};44 45int tn40_phy_register(struct tn40_priv *priv)46{47 struct phylink_config *config;48 struct phy_device *phydev;49 struct phylink *phylink;50 51 phydev = phy_find_first(priv->mdio);52 if (!phydev) {53 dev_err(&priv->pdev->dev, "PHY isn't found\n");54 return -ENODEV;55 }56 57 config = &priv->phylink_config;58 config->dev = &priv->ndev->dev;59 config->type = PHYLINK_NETDEV;60 config->mac_capabilities = MAC_10000FD;61 __set_bit(PHY_INTERFACE_MODE_XAUI, config->supported_interfaces);62 63 phylink = phylink_create(config, NULL, PHY_INTERFACE_MODE_XAUI,64 &tn40_mac_ops);65 if (IS_ERR(phylink))66 return PTR_ERR(phylink);67 68 priv->phydev = phydev;69 priv->phylink = phylink;70 return 0;71}72 73void tn40_phy_unregister(struct tn40_priv *priv)74{75 phylink_destroy(priv->phylink);76}77