* struct phylink_mac_ops - MAC operations structure.
* @validate: Validate and update the link configuration.
* @mac_pcs_get_state: Read the current link state from the hardware.
+ * @mac_prepare: prepare for a major reconfiguration of the interface.
* @mac_config: configure the MAC for the selected mode and state.
+ * @mac_finish: finish a major reconfiguration of the interface.
* @mac_an_restart: restart 802.3z BaseX autonegotiation.
* @mac_link_down: take the link down.
* @mac_link_up: allow the link to come up.
struct phylink_link_state *state);
void (*mac_pcs_get_state)(struct phylink_config *config,
struct phylink_link_state *state);
+ int (*mac_prepare)(struct phylink_config *config, unsigned int mode,
+ phy_interface_t iface);
void (*mac_config)(struct phylink_config *config, unsigned int mode,
const struct phylink_link_state *state);
+ int (*mac_finish)(struct phylink_config *config, unsigned int mode,
+ phy_interface_t iface);
void (*mac_an_restart)(struct phylink_config *config);
void (*mac_link_down)(struct phylink_config *config, unsigned int mode,
phy_interface_t interface);
void mac_pcs_get_state(struct phylink_config *config,
struct phylink_link_state *state);
+/**
+ * mac_prepare() - prepare to change the PHY interface mode
+ * @config: a pointer to a &struct phylink_config.
+ * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND.
+ * @iface: interface mode to switch to
+ *
+ * phylink will call this method at the beginning of a full initialisation
+ * of the link, which includes changing the interface mode or at initial
+ * startup time. It may be called for the current mode. The MAC driver
+ * should perform whatever actions are required, e.g. disabling the
+ * Serdes PHY.
+ *
+ * This will be the first call in the sequence:
+ * - mac_prepare()
+ * - mac_config()
+ * - pcs_config()
+ * - possible pcs_an_restart()
+ * - mac_finish()
+ *
+ * Returns zero on success, or negative errno on failure which will be
+ * reported to the kernel log.
+ */
+int mac_prepare(struct phylink_config *config, unsigned int mode,
+ phy_interface_t iface);
+
/**
* mac_config() - configure the MAC for the selected mode and state
* @config: a pointer to a &struct phylink_config.
void mac_config(struct phylink_config *config, unsigned int mode,
const struct phylink_link_state *state);
+/**
+ * mac_finish() - finish a to change the PHY interface mode
+ * @config: a pointer to a &struct phylink_config.
+ * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND.
+ * @iface: interface mode to switch to
+ *
+ * phylink will call this if it called mac_prepare() to allow the MAC to
+ * complete any necessary steps after the MAC and PCS have been configured
+ * for the @mode and @iface. E.g. a MAC driver may wish to re-enable the
+ * Serdes PHY here if it was previously disabled by mac_prepare().
+ *
+ * Returns zero on success, or negative errno on failure which will be
+ * reported to the kernel log.
+ */
+int mac_finish(struct phylink_config *config, unsigned int mode,
+ phy_interface_t iface);
+
/**
* mac_an_restart() - restart 802.3z BaseX autonegotiation
* @config: a pointer to a &struct phylink_config.
int speed, int duplex, bool tx_pause, bool rx_pause);
#endif
+struct phylink_pcs_ops;
+
+/**
+ * struct phylink_pcs - PHYLINK PCS instance
+ * @ops: a pointer to the &struct phylink_pcs_ops structure
+ * @poll: poll the PCS for link changes
+ *
+ * This structure is designed to be embedded within the PCS private data,
+ * and will be passed between phylink and the PCS.
+ */
+struct phylink_pcs {
+ const struct phylink_pcs_ops *ops;
+ bool poll;
+};
+
/**
* struct phylink_pcs_ops - MAC PCS operations structure.
* @pcs_get_state: read the current MAC PCS link state from the hardware.
* (where necessary).
*/
struct phylink_pcs_ops {
- void (*pcs_get_state)(struct phylink_config *config,
+ void (*pcs_get_state)(struct phylink_pcs *pcs,
struct phylink_link_state *state);
- int (*pcs_config)(struct phylink_config *config, unsigned int mode,
+ int (*pcs_config)(struct phylink_pcs *pcs, unsigned int mode,
phy_interface_t interface,
- const unsigned long *advertising);
- void (*pcs_an_restart)(struct phylink_config *config);
- void (*pcs_link_up)(struct phylink_config *config, unsigned int mode,
+ const unsigned long *advertising,
+ bool permit_pause_to_mac);
+ void (*pcs_an_restart)(struct phylink_pcs *pcs);
+ void (*pcs_link_up)(struct phylink_pcs *pcs, unsigned int mode,
phy_interface_t interface, int speed, int duplex);
};
#if 0 /* For kernel-doc purposes only. */
/**
* pcs_get_state() - Read the current inband link state from the hardware
- * @config: a pointer to a &struct phylink_config.
+ * @pcs: a pointer to a &struct phylink_pcs.
* @state: a pointer to a &struct phylink_link_state.
*
* Read the current inband link state from the MAC PCS, reporting the
* When present, this overrides mac_pcs_get_state() in &struct
* phylink_mac_ops.
*/
-void pcs_get_state(struct phylink_config *config,
+void pcs_get_state(struct phylink_pcs *pcs,
struct phylink_link_state *state);
/**
* pcs_config() - Configure the PCS mode and advertisement
- * @config: a pointer to a &struct phylink_config.
+ * @pcs: a pointer to a &struct phylink_pcs.
* @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND.
* @interface: interface mode to be used
* @advertising: adertisement ethtool link mode mask
+ * @permit_pause_to_mac: permit forwarding pause resolution to MAC
*
* Configure the PCS for the operating mode, the interface mode, and set
- * the advertisement mask.
+ * the advertisement mask. @permit_pause_to_mac indicates whether the
+ * hardware may forward the pause mode resolution to the MAC.
*
* When operating in %MLO_AN_INBAND, inband should always be enabled,
* otherwise inband should be disabled.
*
* For most 10GBASE-R, there is no advertisement.
*/
-int (*pcs_config)(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface, const unsigned long *advertising);
+int pcs_config(struct phylink_pcs *pcs, unsigned int mode,
+ phy_interface_t interface, const unsigned long *advertising);
/**
* pcs_an_restart() - restart 802.3z BaseX autonegotiation
- * @config: a pointer to a &struct phylink_config.
+ * @pcs: a pointer to a &struct phylink_pcs.
*
* When PCS ops are present, this overrides mac_an_restart() in &struct
* phylink_mac_ops.
*/
-void (*pcs_an_restart)(struct phylink_config *config);
+void pcs_an_restart(struct phylink_pcs *pcs);
/**
* pcs_link_up() - program the PCS for the resolved link configuration
- * @config: a pointer to a &struct phylink_config.
+ * @pcs: a pointer to a &struct phylink_pcs.
* @mode: link autonegotiation mode
* @interface: link &typedef phy_interface_t mode
* @speed: link speed
* mode without in-band AN needs to be manually configured for the link
* and duplex setting. Otherwise, this should be a no-op.
*/
-void (*pcs_link_up)(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface, int speed, int duplex);
+void pcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
+ phy_interface_t interface, int speed, int duplex);
#endif
struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *,
phy_interface_t iface,
const struct phylink_mac_ops *mac_ops);
-void phylink_add_pcs(struct phylink *, const struct phylink_pcs_ops *ops);
+void phylink_set_pcs(struct phylink *, struct phylink_pcs *pcs);
void phylink_destroy(struct phylink *);
int phylink_connect_phy(struct phylink *, struct phy_device *);
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);
+int phylink_speed_down(struct phylink *pl, bool sync);
+int phylink_speed_up(struct phylink *pl);
#define phylink_zero(bm) \
bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS)
int phylink_mii_c22_pcs_set_advertisement(struct mdio_device *pcs,
phy_interface_t interface,
const unsigned long *advertising);
+int phylink_mii_c22_pcs_config(struct mdio_device *pcs, unsigned int mode,
+ phy_interface_t interface,
+ const unsigned long *advertising);
void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs);
void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs,
projects / linux-2.6-microblaze.git / blobdiff