From: Ben Greear <greearb@candelatech.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [PATCH] net-sysfs: make flags symmetrical
Date: Mon, 01 Apr 2013 13:16:43 -0700 [thread overview]
Message-ID: <5159EB2B.7070504@candelatech.com> (raw)
In-Reply-To: <20130401115315.1f8e4213@nehalam.linuxnetplumber.net>
On 04/01/2013 11:53 AM, Stephen Hemminger wrote:
> The flags reported by sysfs are the raw kernel flags, not the version
> exported to user space. This leads to the unsymmetrical behaviour that
> read != write. An example of this is when a device is part of a
> bridge. The PROMISC flag returned from sysfs will not be the same as
> other API's.
>
> The reason this patch deserves wider discussion is someone might be
> depending on sysfs to read raw kernel flags.
I am depending on this feature. There is no other way I know
of to determine if an interface is actually currently acting
PROMISC or not.
Please don't 'fix' this.
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2013-04-01 20:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-01 18:53 [PATCH] net-sysfs: make flags symmetrical Stephen Hemminger
2013-04-01 20:16 ` Ben Greear [this message]
2013-04-01 21:18 ` David Miller
2013-04-01 21:32 ` Ben Greear
2013-04-01 22:04 ` Stephen Hemminger
2013-04-01 22:26 ` Ben Greear
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