netdev - Re: [PATCH v2 net-next] Re: can't add tc multiq

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Date:	Tue, 10 Feb 2009 14:30:28 +0300
From:	Badalian Vyacheslav <slavon@...telecom.ru>
To:	Jarek Poplawski <jarkao2@...il.com>
CC:	David Miller <davem@...emloft.net>,
	Stephen Hemminger <shemminger@...tta.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 net-next] Re: can't add tc multiq

Thanks all! i will go to buy e1000e.
> On Mon, Feb 09, 2009 at 02:40:52PM -0800, Stephen Hemminger wrote:
> ...
>   
>> Rather than warning which will buried off on some console that user will never
>> see (and can cause DoS overload). A better errno should be chosen.
>>     
>
> I think admins are used to reading console messages, but we can try
> with a better errno too.
>
> Thanks,
> Jarek P.
> -------------------> take 2
>
> pkt_sched: sch_multiq: Change errno on non-multiqueue devices use.
>
> Current "RTNETLINK answers: Invalid argument" warning, while trying to
> add multiq qdisc to non-multiqueue device, isn't very helpful and some
> of these devs can be changed btw., so let's use a better errno.
>
> With feedback from Stephen Hemminger <shemminger@...tta.com>
>
> Reported-by: Badalian Vyacheslav <slavon@...telecom.ru>
> Signed-off-by: Jarek Poplawski <jarkao2@...il.com>
> ---
>
>  net/sched/sch_multiq.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
> index 7e15186..9127312 100644
> --- a/net/sched/sch_multiq.c
> +++ b/net/sched/sch_multiq.c
> @@ -202,7 +202,7 @@ static int multiq_tune(struct Qdisc *sch, struct nlattr *opt)
>  	int i;
>  
>  	if (!netif_is_multiqueue(qdisc_dev(sch)))
> -		return -EINVAL;
> +		return -EOPNOTSUPP;
>  	if (nla_len(opt) < sizeof(*qopt))
>  		return -EINVAL;
>  
>
>   

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