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

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Message-Id: <20111112.005029.2184476880178665420.davem@davemloft.net>
Date:	Sat, 12 Nov 2011 00:50:29 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	dmitry@...adcom.com
Cc:	netdev@...r.kernel.org, ariele@...adcom.com, eilong@...adcom.com
Subject: Re: [PATCH net-next 09/13] bnx2x: add pri_map module parameter

From: "Dmitry Kravkov" <dmitry@...adcom.com>
Date: Thu, 10 Nov 2011 17:14:10 +0200

> From: Ariel Elior <ariele@...adcom.com>
> 
> The optional parameter pri_map is used to map the
> skb->priority to a Class Of Service (CoS) in the HW.
> This 32 bit parameter is evaluated by the  driver as 8
> values of 4 bits each. Each nibble sets the desired
> HW queue number for that priority.
> 
> Also:
> on the 5771x family this feature is unavailable (a single COS services all).
> on the 57712 family two classes of service are available.
> on the 578xx family three classes of service are availabe.
> configuring  priorities to unavailable COSs will log an error and default to
> COS 0.
> 
> Signed-off-by: Dmitry Kravkov <dmitry@...adcom.com>
> Signed-off-by: Eilon Greenstein <eilong@...adcom.com>

You can't do driver specific things like this.

Make a generic facility that any driver can make use of, not just
your's.
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