linux-kernel - Re: [PATCH net-next v2 2/2] net: hinic: Add control command support for VF PMD driver in DPDK

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Date:   Tue, 01 Nov 2022 12:46:32 +0200
From:   Jani Nikula <jani.nikula@...el.com>
To:     Cai Huoqing <cai.huoqing@...ux.dev>, kuba@...nel.org
Cc:     Cai Huoqing <cai.huoqing@...ux.dev>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Zhengchao Shao <shaozhengchao@...wei.com>,
        SeongJae Park <sj@...nel.org>,
        Bin Chen <bin.chen@...igine.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 2/2] net: hinic: Add control command support
 for VF PMD driver in DPDK

On Tue, 01 Nov 2022, Cai Huoqing <cai.huoqing@...ux.dev> wrote:
> HINIC has a mailbox for PF-VF communication and the VF driver
> could send port control command to PF driver via mailbox.
>
> The control command only can be set to register in PF,
> so add support in PF driver for VF PMD driver control
> command when VF PMD driver work with linux PF driver.
>
> Then there is no need to add handlers to nic_vf_cmd_msg_handler[],
> because the host driver just forwards it to the firmware.
> Actually the firmware works on a coprocessor MGMT_CPU(inside the NIC)
> which will recv and deal with these commands.
>
> Signed-off-by: Cai Huoqing <cai.huoqing@...ux.dev>

Out of curiosity, what exactly compelled you to Cc me on this particular
patch? I mean there aren't a whole lot of places in the kernel that
would be more off-topic for me. :)

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center