netdev - Re: [PATCH net-next V7 0/8] net/mlx4

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Message-ID: <4F7D8068.1000100@mellanox.com>
Date:	Thu, 5 Apr 2012 14:22:16 +0300
From:	Amir Vadai <amirv@...lanox.com>
To:	David Miller <davem@...emloft.net>, <john.r.fastabend@...el.com>,
	<eric.dumazet@...il.com>
CC:	<netdev@...r.kernel.org>, <roland@...estorage.com>,
	<yevgenyp@...lanox.com>, <oren@...lanox.com>,
	<amirv@....mellanox.co.il>
Subject: Re: [PATCH net-next V7 0/8] net/mlx4_en: DCB QoS support

On 04/05/2012 12:28 PM, David Miller wrote:
> 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.

Thank you and to the reviewers.

And Yes, the dependencies are good:
The only new place that uses it is in cma.c which is part of rdma_cm.
rdma_cm depends on CONFIG_INFINIBAND_ADDR_TRANS that depends on
CONFIG_INET

- Amir
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