diff options
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 0a4e467179c9..c18c55e1617e 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1502,13 +1502,23 @@ static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip) return mv88e6xxx_g1_vtu_flush(chip); } -static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip, - struct mv88e6xxx_vtu_entry *entry) +static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid, + struct mv88e6xxx_vtu_entry *entry) { + int err; + if (!chip->info->ops->vtu_getnext) return -EOPNOTSUPP; - return chip->info->ops->vtu_getnext(chip, entry); + entry->vid = vid ? vid - 1 : mv88e6xxx_max_vid(chip); + entry->valid = false; + + err = chip->info->ops->vtu_getnext(chip, entry); + + if (entry->vid != vid) + entry->valid = false; + + return err; } static int mv88e6xxx_vtu_walk(struct mv88e6xxx_chip *chip, @@ -1615,19 +1625,13 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port, if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port)) return 0; - vlan.vid = vid - 1; - vlan.valid = false; - - err = mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_get(chip, vid, &vlan); if (err) return err; if (!vlan.valid) return 0; - if (vlan.vid != vid) - return 0; - for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) { if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i)) continue; @@ -1709,15 +1713,12 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port, if (err) return err; } else { - vlan.vid = vid - 1; - vlan.valid = false; - - err = mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_get(chip, vid, &vlan); if (err) return err; /* switchdev expects -EOPNOTSUPP to honor software VLANs */ - if (vlan.vid != vid || !vlan.valid) + if (!vlan.valid) return -EOPNOTSUPP; fid = vlan.fid; @@ -1994,14 +1995,11 @@ static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port, struct mv88e6xxx_vtu_entry vlan; int i, err; - vlan.vid = vid - 1; - vlan.valid = false; - - err = mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_get(chip, vid, &vlan); if (err) return err; - if (vlan.vid != vid || !vlan.valid) { + if (!vlan.valid) { memset(&vlan, 0, sizeof(vlan)); err = mv88e6xxx_atu_new(chip, &vlan.fid); @@ -2097,17 +2095,14 @@ static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip, if (!vid) return -EOPNOTSUPP; - vlan.vid = vid - 1; - vlan.valid = false; - - err = mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_get(chip, vid, &vlan); if (err) return err; /* If the VLAN doesn't exist in hardware or the port isn't a member, * tell switchdev that this VLAN is likely handled in software. */ - if (vlan.vid != vid || !vlan.valid || + if (!vlan.valid || vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) return -EOPNOTSUPP; |