netdev - Re: [PATCH iproute2] iplink: display the value of IFLA

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Message-ID: <510FEF97.7040903@6wind.com>
Date:	Mon, 04 Feb 2013 18:27:51 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
CC:	netdev@...r.kernel.org
Subject: Re: [PATCH iproute2] iplink: display the value of IFLA_PROMISCUITY

Le 04/02/2013 18:04, Stephen Hemminger a écrit :
> On Mon, 28 Jan 2013 06:47:56 -0800
> Nicolas Dichtel <nicolas.dichtel@...nd.com> wrote:
>
>> This is usefull to know the 'real' status of an interface (the flag IFF_PROMISC
>> is exported by the kernel only when the user set it explicitly, for example it
>> will not be exported when a tcpdump is running).
>>
>> Note that I add a space after qlen (instead of before promiscuity) to be
>> coherent with the rest of the code.
>>
>> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
>> ---
>>   ip/ipaddress.c | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
>
> The idea is good, but I can't accept in the current form.
> The problem with this is that it violates the unwritten assumption that the output
> of ip command should be the arguments used to setup that interface. There were even
> some VPN's that depended on that.
>
Would it be acceptable to display this information when '-d' (ip -details link) 
is provided by the user?
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