Commit 6239a386 authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

net: dsa: mv88e6xxx: global2: Expose ATU stats register 



Add helpers to set/get the ATU statistics register.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d9ea5620

drivers/net/dsa/mv88e6xxx/global2.c

+20 −0
Original line number Diff line number Diff line
@@ -280,6 +280,26 @@ int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr) 
	return err;

}



/* Offset 0x0E: ATU Statistics */



int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip, u16 kind, u16 bin)

{

	return mv88e6xxx_g2_write(chip, MV88E6XXX_G2_ATU_STATS,

				  kind | bin);

}



int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip)

{

	int err;

	u16 val;



	err = mv88e6xxx_g2_read(chip, MV88E6XXX_G2_ATU_STATS, &val);

	if (err)

		return err;



	return val & MV88E6XXX_G2_ATU_STATS_MASK;

}



/* Offset 0x0F: Priority Override Table */



static int mv88e6xxx_g2_pot_write(struct mv88e6xxx_chip *chip, int pointer,

drivers/net/dsa/mv88e6xxx/global2.h

+23 −1
Original line number Diff line number Diff line
@@ -114,6 +114,15 @@ 


/* Offset 0x0E: ATU Stats Register */

#define MV88E6XXX_G2_ATU_STATS				0x0e

#define MV88E6XXX_G2_ATU_STATS_BIN_0			(0x0 << 14)

#define MV88E6XXX_G2_ATU_STATS_BIN_1			(0x1 << 14)

#define MV88E6XXX_G2_ATU_STATS_BIN_2			(0x2 << 14)

#define MV88E6XXX_G2_ATU_STATS_BIN_3			(0x3 << 14)

#define MV88E6XXX_G2_ATU_STATS_MODE_ALL			(0x0 << 12)

#define MV88E6XXX_G2_ATU_STATS_MODE_ALL_DYNAMIC		(0x1 << 12)

#define MV88E6XXX_G2_ATU_STATS_MODE_FID_ALL		(0x2 << 12)

#define MV88E6XXX_G2_ATU_STATS_MODE_FID_ALL_DYNAMIC	(0x3 << 12)

#define MV88E6XXX_G2_ATU_STATS_MASK			0x0fff



/* Offset 0x0F: Priority Override Table */

#define MV88E6XXX_G2_PRIO_OVERRIDE		0x0f
@@ -353,6 +362,8 @@ extern const struct mv88e6xxx_gpio_ops mv88e6352_gpio_ops; 


int mv88e6xxx_g2_scratch_gpio_set_smi(struct mv88e6xxx_chip *chip,

				      bool external);

int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip, u16 kind, u16 bin);

int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip);



#else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
@@ -515,6 +526,17 @@ static inline int mv88e6xxx_g2_device_mapping_write(struct mv88e6xxx_chip *chip, 
	return -EOPNOTSUPP;

}



static inline int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip,

					     u16 kind, u16 bin)

{

	return -EOPNOTSUPP;

}



static inline int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip)

{

	return -EOPNOTSUPP;

}



#endif /* CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */



#endif /* _MV88E6XXX_GLOBAL2_H */

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