netdev - Re: [PATCH (repost) net-next] sched: add extack for tfilter

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Date:   Sat, 1 Oct 2022 11:39:07 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Hangbin Liu <liuhangbin@...il.com>
Cc:     netdev@...r.kernel.org, Jamal Hadi Salim <jhs@...atatu.com>,
        Jiri Pirko <jiri@...nulli.us>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Ahern <dsahern@...nel.org>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Subject: Re: [PATCH (repost) net-next] sched: add extack for tfilter_notify

On Thu, Sep 29, 2022 at 11:35:05AM +0800, Hangbin Liu wrote:
> In commit 81c7288b170a ("sched: cls: enable verbose logging") Marcelo
> made cls could log verbose info for offloading failures, which helps
> improving Open vSwitch debuggability when using flower offloading.
> 
> It would also be helpful if "tc monitor" could log this message, as it
> doesn't require vswitchd log level adjusment. Let's add the extack message
> in tfilter_notify so the monitor program could receive the failures.
> e.g.
> 

I don't think tc monitor is supposed to carry any error messages, it
only serves the purpose for monitoring control path events.

Thanks.