From: Christian Marangi <ansuelsmth@xxxxxxxxx>
commit dfd739f182b00b02bd7470ed94d112684cc04fa2 upstream.
The qca8k switch doesn't support using 0 as VID and require a default
VID to be always set. MDB add/del function doesn't currently handle
this and are currently setting the default VID.
Fix this by correctly handling this corner case and internally use the
default VID for VID 0 case.
Fixes: ba8f870dfa63 ("net: dsa: qca8k: add support for mdb_add/del")
Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/dsa/qca/qca8k-common.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/dsa/qca/qca8k-common.c
+++ b/drivers/net/dsa/qca/qca8k-common.c
@@ -853,6 +853,9 @@ int qca8k_port_mdb_add(struct dsa_switch
const u8 *addr = mdb->addr;
u16 vid = mdb->vid;
+ if (!vid)
+ vid = QCA8K_PORT_VID_DEF;
+
return qca8k_fdb_search_and_insert(priv, BIT(port), addr, vid,
QCA8K_ATU_STATUS_STATIC);
}
@@ -865,6 +868,9 @@ int qca8k_port_mdb_del(struct dsa_switch
const u8 *addr = mdb->addr;
u16 vid = mdb->vid;
+ if (!vid)
+ vid = QCA8K_PORT_VID_DEF;
+
return qca8k_fdb_search_and_del(priv, BIT(port), addr, vid);
}
