diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-04-15 18:19:50 +0300 |
|---|---|---|
| committer | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-05-04 15:25:00 +0200 |
| commit | 42b559d6643d0cd493571ed9e7729546e525661d (patch) | |
| tree | 67231bca687c31c24490e61be862f8d523361377 | |
| parent | 5f59234df5a4d781e4cea8dc9929bb5972bfedd7 (diff) | |
net: mscc: ocelot: fix broken IP multicast flooding
When the user runs:
bridge link set dev $br_port mcast_flood on
this command should affect not only L2 multicast, but also IPv4 and IPv6
multicast.
In the Ocelot switch, unknown multicast gets flooded according to
different PGIDs according to its type, and PGID_MC only handles L2
multicast. Therefore, by leaving PGID_MCIPV4 and PGID_MCIPV6 at their
default value of 0, unknown IP multicast traffic is never flooded.
Fixes: 421741ea5672 ("net: mscc: ocelot: offload bridge port flags to device")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220415151950.219660-1-vladimir.oltean@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
(cherry picked from commit 4cf35a2b627a020fe1a6b6fc7a6a12394644e474)
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 7fb1efb8c112..6b1cf8e08f34 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -2792,6 +2792,8 @@ static void ocelot_port_set_mcast_flood(struct ocelot *ocelot, int port, val = BIT(port); ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MC); + ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV4); + ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV6); } static void ocelot_port_set_bcast_flood(struct ocelot *ocelot, int port, |