Re: [RFC PATCH net-next 4/5] net: dsa: realtek-smi: add rtl8365mb subdriver for RTL8365MB-VC
From: DENG Qingfang
Date: Mon Aug 23 2021 - 00:37:52 EST
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