From: Jim Liu <jim.t90615@gmail.com>
Date: Mon, 8 Apr 2024 08:50:17 +0000 (+0800)
Subject: net: designware: Pass all multicast frames in designware driver
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=13c1100335e40acb1066e074eb061387fd103c36;p=u-boot.git

net: designware: Pass all multicast frames in designware driver

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>
---

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;
 }