| #ifndef NETDEV_PCS_H |
| #define NETDEV_PCS_H |
| |
| #include <linux/phy.h> |
| #include <linux/spinlock.h> |
| #include <linux/workqueue.h> |
| |
| struct device_node; |
| struct ethtool_cmd; |
| struct net_device; |
| |
| enum { |
| MLO_PAUSE_NONE, |
| MLO_PAUSE_ASYM = BIT(0), |
| MLO_PAUSE_SYM = BIT(1), |
| MLO_PAUSE_RX = BIT(2), |
| MLO_PAUSE_TX = BIT(3), |
| MLO_PAUSE_TXRX_MASK = MLO_PAUSE_TX | MLO_PAUSE_RX, |
| MLO_PAUSE_AN = BIT(4), |
| |
| MLO_AN_PHY = 0, /* Conventional PHY */ |
| MLO_AN_FIXED, /* Fixed-link mode */ |
| MLO_AN_SGMII, /* Cisco SGMII protocol */ |
| MLO_AN_8023Z, /* 1000base-X protocol */ |
| }; |
| |
| static inline bool phylink_autoneg_inband(unsigned int mode) |
| { |
| return mode == MLO_AN_SGMII || mode == MLO_AN_8023Z; |
| } |
| |
| struct phylink_link_state { |
| __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); |
| __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); |
| phy_interface_t interface; /* PHY_INTERFACE_xxx */ |
| int speed; |
| int duplex; |
| int pause; |
| unsigned int link:1; |
| unsigned int an_enabled:1; |
| unsigned int an_complete:1; |
| }; |
| |
| struct phylink_mac_ops { |
| /** |
| * validate: validate and update the link configuration |
| * @ndev: net_device structure associated with MAC |
| * @config: configuration to validate |
| * |
| * Update the %config->supported and %config->advertised masks |
| * clearing bits that can not be supported. |
| * |
| * Note: the PHY may be able to transform from one connection |
| * technology to another, so, eg, don't clear 1000BaseX just |
| * because the MAC is unable to support it. This is more about |
| * clearing unsupported speeds and duplex settings. |
| * |
| * If the %config->interface mode is %PHY_INTERFACE_MODE_1000BASEX |
| * or %PHY_INTERFACE_MODE_2500BASEX, select the appropriate mode |
| * based on %config->advertised and/or %config->speed. |
| */ |
| void (*validate)(struct net_device *ndev, unsigned long *supported, |
| struct phylink_link_state *state); |
| |
| /* Read the current link state from the hardware */ |
| int (*mac_link_state)(struct net_device *, struct phylink_link_state *); |
| |
| /* Configure the MAC */ |
| /** |
| * mac_config: configure the MAC for the selected mode and state |
| * @ndev: net_device structure for the MAC |
| * @mode: one of MLO_AN_FIXED, MLO_AN_PHY, MLO_AN_8023Z, MLO_AN_SGMII |
| * @state: state structure |
| * |
| * The action performed depends on the currently selected mode: |
| * |
| * %MLO_AN_FIXED, %MLO_AN_PHY: |
| * set the specified speed, duplex, pause mode, and phy interface |
| * mode in the provided @state. |
| * %MLO_AN_8023Z: |
| * place the link in 1000base-X mode, advertising the parameters |
| * given in advertising in @state. |
| * %MLO_AN_SGMII: |
| * place the link in Cisco SGMII mode - there is no advertisment |
| * to make as the PHY communicates the speed and duplex to the |
| * MAC over the in-band control word. Configuration of the pause |
| * mode is as per MLO_AN_PHY since this is not included. |
| */ |
| void (*mac_config)(struct net_device *ndev, unsigned int mode, |
| const struct phylink_link_state *state); |
| |
| /** |
| * mac_an_restart: restart 802.3z BaseX autonegotiation |
| * @ndev: net_device structure for the MAC |
| */ |
| void (*mac_an_restart)(struct net_device *ndev); |
| |
| void (*mac_link_down)(struct net_device *, unsigned int mode); |
| void (*mac_link_up)(struct net_device *, unsigned int mode, |
| struct phy_device *); |
| }; |
| |
| struct phylink *phylink_create(struct net_device *, struct device_node *, |
| phy_interface_t iface, const struct phylink_mac_ops *ops); |
| void phylink_destroy(struct phylink *); |
| |
| int phylink_connect_phy(struct phylink *, struct phy_device *); |
| int phylink_of_phy_connect(struct phylink *, struct device_node *); |
| void phylink_disconnect_phy(struct phylink *); |
| |
| void phylink_mac_change(struct phylink *, bool up); |
| |
| void phylink_start(struct phylink *); |
| void phylink_stop(struct phylink *); |
| |
| void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *); |
| int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *); |
| |
| int phylink_ethtool_ksettings_get(struct phylink *, |
| struct ethtool_link_ksettings *); |
| int phylink_ethtool_ksettings_set(struct phylink *, |
| const struct ethtool_link_ksettings *); |
| int phylink_ethtool_nway_reset(struct phylink *); |
| void phylink_ethtool_get_pauseparam(struct phylink *, |
| struct ethtool_pauseparam *); |
| int phylink_ethtool_set_pauseparam(struct phylink *, |
| struct ethtool_pauseparam *); |
| int phylink_init_eee(struct phylink *, bool); |
| int phylink_get_eee_err(struct phylink *); |
| int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *); |
| int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *); |
| int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); |
| |
| #define phylink_zero(bm) \ |
| bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS) |
| #define __phylink_do_bit(op, bm, mode) \ |
| op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, bm) |
| |
| #define phylink_set(bm, mode) __phylink_do_bit(__set_bit, bm, mode) |
| #define phylink_clear(bm, mode) __phylink_do_bit(__clear_bit, bm, mode) |
| #define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode) |
| |
| void phylink_set_port_modes(unsigned long *bits); |
| |
| #endif |