diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global1.c')
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/global1.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c index d358720b6c2d..47b507d4d163 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.c +++ b/drivers/net/dsa/mv88e6xxx/global1.c @@ -32,3 +32,30 @@ int mv88e6xxx_g1_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask) { return mv88e6xxx_wait(chip, chip->info->global1_addr, reg, mask); } + +static int mv88e6xxx_g1_stats_wait(struct mv88e6xxx_chip *chip) +{ + return mv88e6xxx_g1_wait(chip, GLOBAL_STATS_OP, GLOBAL_STATS_OP_BUSY); +} + +int mv88e6xxx_g1_stats_snapshot(struct mv88e6xxx_chip *chip, int port) +{ + int err; + + /* Snapshot the hardware statistics counters for this port. */ + err = mv88e6xxx_g1_write(chip, GLOBAL_STATS_OP, + GLOBAL_STATS_OP_CAPTURE_PORT | + GLOBAL_STATS_OP_HIST_RX_TX | port); + if (err) + return err; + + /* Wait for the snapshotting to complete. */ + return mv88e6xxx_g1_stats_wait(chip); +} + +int mv88e6320_g1_stats_snapshot(struct mv88e6xxx_chip *chip, int port) +{ + port = (port + 1) << 5; + + return mv88e6xxx_g1_stats_snapshot(chip, port); +} |