@@ -2005,13 +2005,11 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
goto abort;
}
- /* Port Control 2: don't force a good FCS, set the maximum
- * frame size to 10240 bytes, don't let the switch add or
- * strip 802.1q tags, don't discard tagged or untagged frames
- * on this port, do a destination address lookup on all
- * received packets as usual, disable ARP mirroring and don't
- * send a copy of all transmitted/received frames on this port
- * to the CPU.
+ /* Port Control 2: don't force a good FCS, set the maximum frame size to
+ * 10240 bytes, enable secure 802.1q tags, don't discard tagged or
+ * untagged frames on this port, do a destination address lookup on all
+ * received packets as usual, disable ARP mirroring and don't send a
+ * copy of all transmitted/received frames on this port to the CPU.
*/
reg = 0;
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
@@ -2033,6 +2031,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
reg |= PORT_CONTROL_2_FORWARD_UNKNOWN;
}
+ reg |= PORT_CONTROL_2_8021Q_SECURE;
+
if (reg) {
ret = _mv88e6xxx_reg_write(ds, REG_PORT(port),
PORT_CONTROL_2, reg);
@@ -140,6 +140,11 @@
#define PORT_CONTROL_2_JUMBO_1522 (0x00 << 12)
#define PORT_CONTROL_2_JUMBO_2048 (0x01 << 12)
#define PORT_CONTROL_2_JUMBO_10240 (0x02 << 12)
+#define PORT_CONTROL_2_8021Q_MASK (0x03 << 10)
+#define PORT_CONTROL_2_8021Q_DISABLED (0x00 << 10)
+#define PORT_CONTROL_2_8021Q_FALLBACK (0x01 << 10)
+#define PORT_CONTROL_2_8021Q_CHECK (0x02 << 10)
+#define PORT_CONTROL_2_8021Q_SECURE (0x03 << 10)
#define PORT_CONTROL_2_DISCARD_TAGGED BIT(9)
#define PORT_CONTROL_2_DISCARD_UNTAGGED BIT(8)
#define PORT_CONTROL_2_MAP_DA BIT(7)
This commit changes the 802.1Q mode of each port from Disabled to Secure. This enables the VLAN support, by checking the VTU entries on ingress. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> --- drivers/net/dsa/mv88e6xxx.c | 14 +++++++------- drivers/net/dsa/mv88e6xxx.h | 5 +++++ 2 files changed, 12 insertions(+), 7 deletions(-)