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

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Message-Id: <20190829.230233.287975311556641534.davem@davemloft.net>
Date:   Thu, 29 Aug 2019 23:02:33 -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 07:39:40 +0200

> Because the "promisc mode" would gain another meaning. Now how the
> driver should guess which meaning the user ment when he setted it?
> filter or trap?
> 
> That is very confusing. If the flag is the way to do this, let's
> introduce another flag, like IFF_TRAPPING indicating that user wants
> exactly this.

I don't understand how the meaning of promiscuous mode for a
networking device has suddenly become ambiguous, when did this start
happening?