Subject: Re: [RFC PATCH net-next 4/5] net: dsa: realtek-smi: add rtl8365mb subdriver for RTL8365MB-VC

From: DENG Qingfang <[email-masked]>
Date: Mon, 23 Aug 2021 12:37:25 +0800

On Sun, Aug 22, 2021 at 09:31:42PM +0200, Alvin Šipraga wrote:
> +/* Table LUT (look-up-table) address register */
> +#define RTL8365MB_TABLE_LUT_ADDR_REG			0x0502
> +#define   RTL8365MB_TABLE_LUT_ADDR_ADDRESS2_MASK	0x4000
> +#define   RTL8365MB_TABLE_LUT_ADDR_BUSY_FLAG_MASK	0x2000
> +#define   RTL8365MB_TABLE_LUT_ADDR_HIT_STATUS_MASK	0x1000
> +#define   RTL8365MB_TABLE_LUT_ADDR_TYPE_MASK		0x0800
> +#define   RTL8365MB_TABLE_LUT_ADDR_ADDRESS_MASK		0x07FF

FDB/MDB operations should be possible.

> +/* Port isolation (forwarding mask) registers */
> +#define RTL8365MB_PORT_ISOLATION_REG_BASE		0x08A2
> +#define RTL8365MB_PORT_ISOLATION_REG(_physport) \
> +		(RTL8365MB_PORT_ISOLATION_REG_BASE + (_physport))
> +#define   RTL8365MB_PORT_ISOLATION_MASK			0x07FF

Bridge offload should be implemented with these isolation registers.

FYI:
https://cdn.jsdelivr.net/gh/libc0607/Realtek_switch_hacking@files/Realtek_Unmanaged_Switch_ProgrammingGuide.pdf