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

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Message-ID: <20221028085651.78408e2c@kernel.org>
Date:   Fri, 28 Oct 2022 08:56:51 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Cai Huoqing <cai.huoqing@...ux.dev>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Zhengchao Shao <shaozhengchao@...wei.com>,
        Bin Chen <bin.chen@...igine.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Peter Chen <peter.chen@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] net: hinic: Add control command support for VF PMD
 driver in DPDK

On Fri, 28 Oct 2022 12:56:55 +0800 Cai Huoqing wrote:
> > The commands are actually supported or you're just ignoring them
> > silently?  
> No, 

Do you mean "neither"?

> if the cmd is not added to 'nic_cmd_support_vf',
> the PF will return false, and the error messsage "PF Receive VFx
> unsupported cmd x" in the function 'hinic_mbox_check_cmd_valid',
> then, the configuration will not be set to hardware.

You're describing the behavior before the patch?

After the patch the command is ignored silently, like I said, right?
Because there is no handler added to nic_vf_cmd_msg_handler[].
Why is that okay? Or is there handler somewhere else?