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Message-ID: <a8332eba-70c3-482a-a644-c86c13792f8b@broadcom.com>
Date: Mon, 2 Jun 2025 11:09:54 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Álvaro Fernández Rojas <noltari@...il.com>,
jonas.gorski@...il.com, andrew@...n.ch, olteanv@...il.com,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, vivien.didelot@...il.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, dgcbueu@...il.com
Subject: Re: [RFC PATCH 08/10] net: dsa: b53: fix unicast/multicast flooding
on BCM5325
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 <noltari@...il.com>
> ---
[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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