aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/dsa/mt7530.c11
-rw-r--r--drivers/net/dsa/mt7530.h6
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 5c444cd722bd..a063d914c23f 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -810,10 +810,15 @@ mt7530_port_set_vlan_aware(struct dsa_switch *ds, int port)
PCR_MATRIX_MASK, PCR_MATRIX(MT7530_ALL_MEMBERS));
/* Trapped into security mode allows packet forwarding through VLAN
- * table lookup.
+ * table lookup. CPU port is set to fallback mode to let untagged
+ * frames pass through.
*/
- mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
- MT7530_PORT_SECURITY_MODE);
+ if (dsa_is_cpu_port(ds, port))
+ mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
+ MT7530_PORT_FALLBACK_MODE);
+ else
+ mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
+ MT7530_PORT_SECURITY_MODE);
/* Set the port as a user port which is to be able to recognize VID
* from incoming packets before fetching entry within the VLAN table.
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 979bb6374678..d45eb7540703 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -152,6 +152,12 @@ enum mt7530_port_mode {
/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
+ /* Fallback Mode: Forward received frames with ingress ports that do
+ * not belong to the VLAN member. Frames whose VID is not listed on
+ * the VLAN table are forwarded by the PCR_MATRIX members.
+ */
+ MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
+
/* Security Mode: Discard any frame due to ingress membership
* violation or VID missed on the VLAN table.
*/