diff mbox series

[5.4,078/168] net: dsa: b53: b53_arl_rw_op() needs to select IVL or SVL

Message ID 20200428182242.018362141@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH April 28, 2020, 6:24 p.m. UTC 
From: Florian Fainelli <f.fainelli@gmail.com>

[ Upstream commit 64fec9493f7dc9bdd7233bcfe98985c45bd0e3c1 ]

Flip the IVL_SVL_SELECT bit correctly based on the VLAN enable status,
the default is to perform Shared VLAN learning instead of Individual
learning.

Fixes: 1da6df85c6fb ("net: dsa: b53: Implement ARL add/del/dump operations")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/dsa/b53/b53_common.c |    4 ++++
 drivers/net/dsa/b53/b53_regs.h   |    1 +
 2 files changed, 5 insertions(+)
diff mbox series

Patch

--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1441,6 +1441,10 @@  static int b53_arl_rw_op(struct b53_devi
 		reg |= ARLTBL_RW;
 	else
 		reg &= ~ARLTBL_RW;
+	if (dev->vlan_enabled)
+		reg &= ~ARLTBL_IVL_SVL_SELECT;
+	else
+		reg |= ARLTBL_IVL_SVL_SELECT;
 	b53_write8(dev, B53_ARLIO_PAGE, B53_ARLTBL_RW_CTRL, reg);
 
 	return b53_arl_op_wait(dev);
--- a/drivers/net/dsa/b53/b53_regs.h
+++ b/drivers/net/dsa/b53/b53_regs.h
@@ -292,6 +292,7 @@ 
 /* ARL Table Read/Write Register (8 bit) */
 #define B53_ARLTBL_RW_CTRL		0x00
 #define    ARLTBL_RW			BIT(0)
+#define    ARLTBL_IVL_SVL_SELECT	BIT(6)
 #define    ARLTBL_START_DONE		BIT(7)
 
 /* MAC Address Index Register (48 bit) */