netdev - Re: [PATCH net-next 09/13] bnx2x: add pri

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Message-ID: <1321187454.4651.1.camel@lb-tlvb-dmitry>
Date:	Sun, 13 Nov 2011 14:30:54 +0200
From:	"Dmitry Kravkov" <dmitry@...adcom.com>
To:	"John Fastabend" <john.r.fastabend@...el.com>
cc:	"Dmitry Kravkov" <dkravkov@...il.com>,
	"Ben Hutchings" <bhutchings@...arflare.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Ariel Elior" <ariele@...adcom.com>,
	"Eilon Greenstein" <eilong@...adcom.com>
Subject: Re: [PATCH net-next 09/13] bnx2x: add pri_map module parameter

On Thu, 2011-11-10 at 12:34 -0800, John Fastabend wrote:
> Use 'tc' to configure the mapping explicitly then. Or allow DCBnl
> set commands to be sent down either ieee_setets() or setpgtccfgtx()
> are used to configure priority to traffic class mappings. Then you
> could use a user space tool to set up all your DCB attributes without
> DCBX running (e.g. dcbtool/lldptol but I'm partial).
> 
> For example 'tc' commands,
> 
> # tc qdisc add dev eth3 root mqprio map 0 1 2 3 
> # tc qdisc add dev eth3 root mqprio help
> Usage: ... mqprio [num_tc NUMBER] [map P0 P1 ...]
>                   [queues count1@...set1 count2@...set2 ...] [hw 1|0]
> 
> It might be nice to add the ability to change the mapping after the tc
> has been created though. Maybe I'll get to this in the next week or
> two.
> 
John, thanks for the clarification and the example.

Dave, i will re-spin the sequence without the patch, soon.

Thanks all,
Dmitry


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