Allowing multicast packets is required for IPv6 neighbor discovery protocol.

Signed-off-by: Parvathi Bhogaraju pbhogaraju@microsoft.com Signed-off-by: Jim Liu JJLIU0@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; }