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| author | Andrew Lunn <andrew@lunn.ch> | 2016-12-03 04:45:16 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-04 05:18:38 +0100 |
| commit | 6e55f69846f0b11dd59a5d9ade44f4cc40eaa0ec (patch) | |
| tree | 4aafab68cebe8935995efe0a1ead45bbd97fceed /drivers/net/dsa/mv88e6xxx/global2.c | |
| parent | Merge branch 'mv88e6390-batch-two' (diff) | |
| download | linux-6e55f69846f0b11dd59a5d9ade44f4cc40eaa0ec.tar.xz linux-6e55f69846f0b11dd59a5d9ade44f4cc40eaa0ec.zip | |
net: dsa: mv88e6xxx: Reserved Management frames to CPU
Older devices have a couple of registers in global2. The mv88e6390
family has a single register in global1 behind which hides similar
configuration. Implement and op for this.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global2.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/global2.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c index 536a27c9735f..3e77071949ab 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.c +++ b/drivers/net/dsa/mv88e6xxx/global2.c @@ -38,6 +38,31 @@ static int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask) return mv88e6xxx_wait(chip, ADDR_GLOBAL2, reg, mask); } +/* Offset 0x02: Management Enable 2x */ +/* Offset 0x03: Management Enable 0x */ + +int mv88e6095_g2_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip) +{ + int err; + + /* Consider the frames with reserved multicast destination + * addresses matching 01:80:c2:00:00:2x as MGMT. + */ + if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_2X)) { + err = mv88e6xxx_g2_write(chip, GLOBAL2_MGMT_EN_2X, 0xffff); + if (err) + return err; + } + + /* Consider the frames with reserved multicast destination + * addresses matching 01:80:c2:00:00:0x as MGMT. + */ + if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_0X)) + return mv88e6xxx_g2_write(chip, GLOBAL2_MGMT_EN_0X, 0xffff); + + return 0; +} + /* Offset 0x06: Device Mapping Table register */ static int mv88e6xxx_g2_device_mapping_write(struct mv88e6xxx_chip *chip, @@ -567,24 +592,6 @@ int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip) u16 reg; int err; - if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_2X)) { - /* Consider the frames with reserved multicast destination - * addresses matching 01:80:c2:00:00:2x as MGMT. - */ - err = mv88e6xxx_g2_write(chip, GLOBAL2_MGMT_EN_2X, 0xffff); - if (err) - return err; - } - - if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_0X)) { - /* Consider the frames with reserved multicast destination - * addresses matching 01:80:c2:00:00:0x as MGMT. - */ - err = mv88e6xxx_g2_write(chip, GLOBAL2_MGMT_EN_0X, 0xffff); - if (err) - return err; - } - /* Ignore removed tag data on doubly tagged packets, disable * flow control messages, force flow control priority to the * highest, and send all special multicast frames to the CPU |