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Message-Id: <20120405.052828.1474884969422039237.davem@davemloft.net>
Date: Thu, 05 Apr 2012 05:28:28 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: amirv@...lanox.com
Cc: netdev@...r.kernel.org, roland@...estorage.com,
yevgenyp@...lanox.com, oren@...lanox.com, amirv@....mellanox.co.il,
john.r.fastabend@...el.com, eric.dumazet@...il.com
Subject: Re: [PATCH net-next V7 0/8] net/mlx4_en: DCB QoS support
From: Amir Vadai <amirv@...lanox.com>
Date: Thu, 5 Apr 2012 10:33:23 +0300
> DCBX version 802.1qaz is supported.
> User Priority (UP) is set in QP context instead of in WQE (QP Work Queue
> Element), which means that all traffic from a queue will have the same UP.
> UP is also set for untagged traffic to be able to classify such traffic too.
>
> Mapping from sk_prio to User Priority is done by sch_mqprio mapping. Although
> confusingly sch_mqprio maps sk_prio to something called TC, it is not related
> to DCBX's TC, and is interpreted by mlx4_en driver as UP.
>
> User can set maximal BW for an ETS TC. This could be done by a new optional
> attribute added to DCB_ATTR_IEEE called DCBNL DCB_ATTR_IEEE_MAXRATE. It accept
> an array of 8 64 bits values, 1 for every ETS TC. Units are in Kbps.
All applied, thanks.
Please double check that all the new locations that reference
ip_tos2prio have a proper dependency on CONFIG_INET.
THanks.
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