mdio.h File Reference

#include <uapi/linux/mdio.h>

Go to the source code of this file.

Data Structures
struct	mdio_if_info

Macros
#define	MDIO_PRTAD_NONE   (-1)
#define	MDIO_DEVAD_NONE   (-1)
#define	MDIO_SUPPORTS_C22   1
#define	MDIO_SUPPORTS_C45   2
#define	MDIO_EMULATE_C22   4

Functions
int	mdio45_probe (struct mdio_if_info *mdio, int prtad)
int	mdio_set_flag (const struct mdio_if_info *mdio, int prtad, int devad, u16 addr, int mask, bool sense)
int	mdio45_links_ok (const struct mdio_if_info *mdio, u32 mmds)
int	mdio45_nway_restart (const struct mdio_if_info *mdio)
void	mdio45_ethtool_gset_npage (const struct mdio_if_info *mdio, struct ethtool_cmd *ecmd, u32 npage_adv, u32 npage_lpa)
void	mdio45_ethtool_spauseparam_an (const struct mdio_if_info *mdio, const struct ethtool_pauseparam *ecmd)
int	mdio_mii_ioctl (const struct mdio_if_info *mdio, struct mii_ioctl_data *mii_data, int cmd)

Macro Definition Documentation

#define MDIO_DEVAD_NONE   (-1)

Definition at line 57 of file mdio.h.

#define MDIO_EMULATE_C22   4

Definition at line 60 of file mdio.h.

#define MDIO_PRTAD_NONE   (-1)

Definition at line 56 of file mdio.h.

#define MDIO_SUPPORTS_C22   1

Definition at line 58 of file mdio.h.

#define MDIO_SUPPORTS_C45   2

Definition at line 59 of file mdio.h.

Function Documentation

void mdio45_ethtool_gset_npage	(	const struct mdio_if_info *	mdio,
		struct ethtool_cmd *	ecmd,
		u32	npage_adv,
		u32	npage_lpa
	)

mdio45_ethtool_gset_npage - get settings for ETHTOOL_GSET : MDIO interface : Ethtool request structure : Modes currently advertised on next pages : Modes advertised by link partner on next pages

The parameter is expected to have been cleared before calling mdio45_ethtool_gset_npage().

Since the CSRs for auto-negotiation using next pages are not fully standardised, this function does not attempt to decode them. The caller must pass them in.

Definition at line 186 of file mdio.c.

void mdio45_ethtool_spauseparam_an	(	const struct mdio_if_info *	mdio,
		const struct ethtool_pauseparam *	ecmd
	)

mdio45_ethtool_spauseparam_an - set auto-negotiated pause parameters : MDIO interface : Ethtool request structure

This function assumes that the PHY has an auto-negotiation MMD. It will enable and disable advertising of flow control as appropriate.

Definition at line 352 of file mdio.c.

int mdio45_links_ok	(	const struct mdio_if_info *	mdio,
		u32	mmd_mask
	)

mdio_link_ok - is link status up/OK : MDIO interface : Mask for MMDs to check

Returns 1 if the PHY reports link status up/OK, 0 otherwise. is normally ->mmds, but if loopback is enabled the MMDs being bypassed should be excluded from the mask.

Definition at line 97 of file mdio.c.

int mdio45_nway_restart

(

const struct mdio_if_info *

mdio

)

mdio45_nway_restart - restart auto-negotiation for this interface : MDIO interface

Returns 0 on success, negative on error.

Definition at line 140 of file mdio.c.

int mdio45_probe	(	struct mdio_if_info *	mdio,
		int	prtad
	)

mdio45_probe - probe for an MDIO (clause 45) device : MDIO interface : Expected PHY address

This sets and in the MDIO interface if successful. Returns 0 on success, negative on error.

Definition at line 29 of file mdio.c.

int mdio_mii_ioctl	(	const struct mdio_if_info *	mdio,
		struct mii_ioctl_data *	mii_data,
		int	cmd
	)

mdio_mii_ioctl - MII ioctl interface for MDIO (clause 22 or 45) PHYs : MDIO interface : MII ioctl data structure : MII ioctl command

Returns 0 on success, negative on error.

Definition at line 380 of file mdio.c.

int mdio_set_flag	(	const struct mdio_if_info *	mdio,
		int	prtad,
		int	devad,
		u16	addr,
		int	mask,
		bool	sense
	)

mdio_set_flag - set or clear flag in an MDIO register : MDIO interface : PHY address : MMD address : Register address : Mask for flag (single bit set) : New value of flag

This debounces changes: it does not write the register if the flag already has the proper value. Returns 0 on success, negative on error.

Definition at line 69 of file mdio.c.