diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global1_atu.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/global1_atu.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index 0919055..94e9405 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -109,6 +109,27 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) /* Offset 0x0C: ATU Data Register */ +static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_atu_entry *entry) +{ + u16 val; + int err; + + err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_DATA, &val); + if (err) + return err; + + entry->state = val & 0xf; + if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) { + if (val & GLOBAL_ATU_DATA_TRUNK) + entry->trunk = true; + + entry->portv_trunkid = (val >> 4) & mv88e6xxx_port_mask(chip); + } + + return 0; +} + static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip, struct mv88e6xxx_atu_entry *entry) { @@ -129,6 +150,24 @@ static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip, * Offset 0x0F: ATU MAC Address Register Bytes 4 & 5 */ +static int mv88e6xxx_g1_atu_mac_read(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_atu_entry *entry) +{ + u16 val; + int i, err; + + for (i = 0; i < 3; i++) { + err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_MAC_01 + i, &val); + if (err) + return err; + + entry->mac[i * 2] = val >> 8; + entry->mac[i * 2 + 1] = val & 0xff; + } + + return 0; +} + static int mv88e6xxx_g1_atu_mac_write(struct mv88e6xxx_chip *chip, struct mv88e6xxx_atu_entry *entry) { @@ -147,6 +186,33 @@ static int mv88e6xxx_g1_atu_mac_write(struct mv88e6xxx_chip *chip, /* Address Translation Unit operations */ +int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid, + struct mv88e6xxx_atu_entry *entry) +{ + int err; + + err = mv88e6xxx_g1_atu_op_wait(chip); + if (err) + return err; + + /* Write the MAC address to iterate from only once */ + if (entry->state == GLOBAL_ATU_DATA_STATE_UNUSED) { + err = mv88e6xxx_g1_atu_mac_write(chip, entry); + if (err) + return err; + } + + err = mv88e6xxx_g1_atu_op(chip, fid, GLOBAL_ATU_OP_GET_NEXT_DB); + if (err) + return err; + + err = mv88e6xxx_g1_atu_data_read(chip, entry); + if (err) + return err; + + return mv88e6xxx_g1_atu_mac_read(chip, entry); +} + int mv88e6xxx_g1_atu_loadpurge(struct mv88e6xxx_chip *chip, u16 fid, struct mv88e6xxx_atu_entry *entry) { |
