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| author | DENG Qingfang <dqfext@gmail.com> | 2021-01-30 21:43:34 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-10 09:25:33 +0100 |
| commit | e65d331755deb98a39267ff10f7746e4fd237cea (patch) | |
| tree | c4ed9e1d348708851d08d18ec53ea1e25c9e96ef | |
| parent | 5d3007b6cc7b4c242f2965f08824f9c73947749c (diff) | |
| download | linux-stable-e65d331755deb98a39267ff10f7746e4fd237cea.tar.gz linux-stable-e65d331755deb98a39267ff10f7746e4fd237cea.tar.bz2 linux-stable-e65d331755deb98a39267ff10f7746e4fd237cea.zip | |
net: dsa: mv88e6xxx: override existent unicast portvec in port_fdb_add
commit f72f2fb8fb6be095b98af5d740ac50cffd0b0cae upstream.
Having multiple destination ports for a unicast address does not make
sense.
Make port_db_load_purge override existent unicast portvec instead of
adding a new port bit.
Fixes: 884729399260 ("net: dsa: mv88e6xxx: handle multiple ports in ATU")
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20210130134334.10243-1-dqfext@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 469b155df488..1af09fd3fed1 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1517,7 +1517,11 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port, if (!entry.portvec) entry.state = 0; } else { - entry.portvec |= BIT(port); + if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC) + entry.portvec = BIT(port); + else + entry.portvec |= BIT(port); + entry.state = state; } |