Thread (33 messages) 33 messages, 4 authors, 2025-06-03

Re: [RFC PATCH 08/10] net: dsa: b53: fix unicast/multicast flooding on BCM5325

From: Florian Fainelli <florian.fainelli@broadcom.com>
Date: 2025-06-02 18:09:57
Also in: lkml

On 5/31/25 03:13, Álvaro Fernández Rojas wrote:
BCM5325 doesn't implement UC_FLOOD_MASK, MC_FLOOD_MASK and IPMC_FLOOD_MASK
registers.
This has to be handled differently with other pages and registers.

Fixes: a8b659e7ff75 ("net: dsa: act as passthrough for bridge port flags")
Signed-off-by: Álvaro Fernández Rojas <redacted>
---
[snip]
+/*************************************************************************
+ * IEEE 802.1X Registers
+ *************************************************************************/
+
+/* Multicast DLF Drop Control register (16 bit) */
+#define B53_IEEE_MCAST_DLF		0x94
+#define B53_IEEE_MCAST_DROP_EN		BIT(11)
+
+/* Unicast DLF Drop Control register (16 bit) */
+#define B53_IEEE_UCAST_DLF		0x96
+#define B53_IEEE_UCAST_DROP_EN		BIT(11)
Are you positive the 5325 implements all of those registers? They are 
not documented in my databook.
-- 
Florian
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