BCM5325 doesn't implement B53_UC_FWD_EN, B53_MC_FWD_EN or B53_IPMC_FWD_EN.
Fixes: 53568438e381 ("net: dsa: b53: Add support for port_egress_floods callback")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/net/dsa/b53/b53_common.c | 18 +++++++++++-------
drivers/net/dsa/b53/b53_regs.h | 1 +
2 files changed, 12 insertions(+), 7 deletions(-)
v4: no changes
v3: no changes
v2: add changes proposed by Jonas:
- Change function flow.
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 24a9a0372122..c7c950127448 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -366,14 +366,18 @@ static void b53_set_forwarding(struct b53_device *dev, int enable)
b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, &mgmt);
mgmt |= B53_MII_DUMB_FWDG_EN;
b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt);
- }
- /* Look at B53_UC_FWD_EN and B53_MC_FWD_EN to decide whether
- * frames should be flooded or not.
- */
- b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt);
- mgmt |= B53_UC_FWD_EN | B53_MC_FWD_EN | B53_IPMC_FWD_EN;
- b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt);
+ /* Look at B53_UC_FWD_EN and B53_MC_FWD_EN to decide whether
+ * frames should be flooded or not.
+ */
+ b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt);
+ mgmt |= B53_UC_FWD_EN | B53_MC_FWD_EN | B53_IPMC_FWD_EN;
+ b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt);
+ } else {
+ b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt);
+ mgmt |= B53_IP_MCAST_25;
+ b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt);
+ }
}
static void b53_enable_vlan(struct b53_device *dev, int port, bool enable,
diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h
index 1f15332fb2a7..896684d7f594 100644
--- a/drivers/net/dsa/b53/b53_regs.h
+++ b/drivers/net/dsa/b53/b53_regs.h
@@ -106,6 +106,7 @@
/* IP Multicast control (8 bit) */
#define B53_IP_MULTICAST_CTRL 0x21
+#define B53_IP_MCAST_25 BIT(0)
#define B53_IPMC_FWD_EN BIT(1)
#define B53_UC_FWD_EN BIT(6)
#define B53_MC_FWD_EN BIT(7)
--
2.39.5