Re: [PATCH net-next v6 9/9] net: dsa: realtek: rtl8365mb: add support for RTL8367S-VB

[Linus Walleij]

On Fri, Oct 16, 2026 at 3:09 AM Mieczyslaw Nalewaj <namiltd@xxxxxxxxx> wrote:

> Add the RTL8367S-VB (chip ID 0x6642, version 0x0010) to the chip table.
> It is the first chip of family D, whose handling was added in the
> preceding patches, so this is the patch that makes it reachable.
>
> The SGMII/HSGMII SerDes of this chip sits on port 6 and the
> MII/TMII/RMII/RGMII interface on port 7, as on family C, but the external
> interface indices are one lower (EXT0 and EXT1 instead of EXT1 and EXT2).
> The chip reuses the existing initialization jam table.
>
> The chip has 8 ports, not 11. Cap priv->num_ports at
> RTL8365MB_D_MAX_NUM_PORTS for family D. This is a functional change: it
> sets ds->num_ports, the IRQ domain size and the bound of every loop over
> priv->num_ports.
>
> The L2 learning limit is the same as on family C (2112 entries), as
> given by the Realtek rtl8367 common API (rtl8367_common V1.4.2), so
> RTL8365MB_LEARN_LIMIT_MAX needs no per-family handling; only its
> comment is updated.
>
> Tested on a TP-Link Archer AX55 v1 (RTL8367S-VB, CPU port over HSGMII
> to an IPQ5018) with bridge VLAN filtering and per-port PVIDs. SGMII has
> also been seen working, but I no longer have the exact link partner and
> speed it was tested with, so treat it as lightly tested. RGMII mode has
> not yet been tested.
>
> Signed-off-by: Mieczyslaw Nalewaj <namiltd@xxxxxxxxx>

Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>

Yours,
Linus Walleij