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

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Add helpers to set/get the ATU statistics register.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2019-11-05 01:12:59 +01:00 committed by David S. Miller
parent d9ea56206c
commit 6239a386e7
2 changed files with 43 additions and 1 deletions
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20
drivers/net/dsa/mv88e6xxx/global2.c
View File

@ -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,

24
drivers/net/dsa/mv88e6xxx/global2.h
View File

@ -113,7 +113,16 @@
#define MV88E6XXX_G2_SWITCH_MAC_DATA_MASK 0x00ff
/* Offset 0x0E: ATU Stats Register */
#define MV88E6XXX_G2_ATU_STATS 0x0e
#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 */