[PATCH v1] net: designware: Pass all multicast frames in designware driver

[Jim Liu]

Allowing multicast packets is required for IPv6 neighbor discovery
protocol.

Signed-off-by: Parvathi Bhogaraju <pbhogaraju at microsoft.com>
Signed-off-by: Jim Liu <JJLIU0 at nuvoton.com>
---
 drivers/net/designware.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 03b531c667..4c1642b29a 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -352,6 +352,11 @@ static int dw_adjust_link(struct dw_eth_dev *priv, struct eth_mac_regs *mac_p,
 	       (phydev->duplex) ? "full" : "half",
 	       (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
 
+#ifdef CONFIG_ARCH_NPCM8XX
+	/* Pass all Multicast Frames */
+	setbits_le32(&mac_p->framefilt, BIT(4));
+
+#endif
 	return 0;
 }
 
-- 
2.25.1