Subject: Re: [PATCH net-next 0/6] net: airoha: Preliminary patches to support multiple net_devices connected to the same GDM port

From: [email-masked]
Date: Tue, 02 Jun 2026 20:30:15 +0000

Hello:

This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email-masked]>:

On Wed, 27 May 2026 12:21:14 +0200 you wrote:
> EN7581 or AN7583 SoCs support connecting multiple external SerDes (e.g.
> Ethernet or USB SerDes) to GDM3 or GDM4 ports via a hw arbiter that
> manages the traffic in a TDM manner. As a result multiple net_devices can
> connect to the same GDM{3,4} port and there is a theoretical "1:n"
> relation between GDM ports and net_devices.
> 
>            ┌─────────────────────────────────┐
>            │                                 │    ┌──────┐
>            │                         P1 GDM1 ├────►MT7530│
>            │                                 │    └──────┘
>            │                                 │      ETH0 (DSA conduit)
>            │                                 │
>            │              PSE/FE             │
>            │                                 │
>            │                                 │
>            │                                 │    ┌─────┐
>            │                         P0 CDM1 ├────►QDMA0│
>            │  P4                     P9 GDM4 │    └─────┘
>            └──┬─────────────────────────┬────┘
>               │                         │
>            ┌──▼──┐                 ┌────▼────┐
>            │ PPE │                 │   ARB   │
>            └─────┘                 └─┬─────┬─┘
>                                      │     │
>                                   ┌──▼──┐┌─▼───┐
>                                   │ ETH ││ USB │
>                                   └─────┘└─────┘
>                                    ETH1   ETH2
> 
> [...]

Here is the summary with links:
  - [net-next,1/6] net: airoha: Introduce airoha_gdm_dev struct
    https://git.kernel.org/netdev/net-next/c/ec6c391bcca7
  - [net-next,2/6] net: airoha: Move airoha_qdma pointer in airoha_gdm_dev struct
    https://git.kernel.org/netdev/net-next/c/528c5153a557
  - [net-next,3/6] net: airoha: Rely on airoha_gdm_dev pointer in airoha_is_lan_gdm_port()
    https://git.kernel.org/netdev/net-next/c/eca4f59b5367
  - [net-next,4/6] net: airoha: Move qos_sq_bmap in airoha_gdm_dev struct
    https://git.kernel.org/netdev/net-next/c/069626af6dfa
  - [net-next,5/6] net: airoha: Move {cpu,fwd}_tx_packets in airoha_gdm_dev struct
    https://git.kernel.org/netdev/net-next/c/962c17dd2878
  - [net-next,6/6] net: airoha: Rename airoha_set_gdm2_loopback in airoha_enable_gdm2_loopback
    https://git.kernel.org/netdev/net-next/c/842a7ee50d68

You are awesome, thank you!
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