This commit disables SA learning and refreshing for the CPU port.
Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx.c | 8 +++++---
drivers/net/dsa/mv88e6xxx.h | 1 +
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index d2beb10..ed49bd8 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -1761,10 +1761,12 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds,
int port)
/* Port Association Vector: when learning source addresses
* of packets, add the address to the address database using
* a port bitmap that has only the bit for this port set and
- * the other bits clear.
+ * the other bits clear, except for the CPU port.
*/
- ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_ASSOC_VECTOR,
- 1 << port);
+ reg = BIT(port);
+ if (dsa_is_cpu_port(ds, port))
+ reg |= PORT_ASSOC_VECTOR_LOCKED_PORT;
+ ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_ASSOC_VECTOR, reg);
if (ret)
goto abort;
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 412d14e..e26eb0c 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -144,6 +144,7 @@
#define PORT_RATE_CONTROL 0x09
#define PORT_RATE_CONTROL_2 0x0a
#define PORT_ASSOC_VECTOR 0x0b
+#define PORT_ASSOC_VECTOR_LOCKED_PORT BIT(13)
#define PORT_ATU_CONTROL 0x0c
#define PORT_PRI_OVERRIDE 0x0d
#define PORT_ETH_TYPE 0x0f
--
2.4.1
--
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