netdev - Re: [PATCH v3 1/2] net: core: Notify on changes to dev->promiscuity.

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Message-Id: <20190830.001223.669650763835949848.davem@davemloft.net>
Date:   Fri, 30 Aug 2019 00:12:23 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     jiri@...nulli.us
Cc:     idosch@...sch.org, andrew@...n.ch, horatiu.vultur@...rochip.com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
        allan.nielsen@...rochip.com, ivecera@...hat.com,
        f.fainelli@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] net: core: Notify on changes to
 dev->promiscuity.

From: Jiri Pirko <jiri@...nulli.us>
Date: Fri, 30 Aug 2019 08:36:24 +0200

> The promiscuity is a way to setup the rx filter. So promics == rx filter
> off. For normal nics, where there is no hw fwd datapath,
> this coincidentally means all received packets go to cpu.

You cannot convince me that the HW datapath isn't a "rx filter" too, sorry.