From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Andrew Rybchenko <arybchenko@solarflare.com>,
Stephen Hemminger <stephen@networkplumber.org>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>,
Somnath Kotur <somnath.kotur@broadcom.com>,
Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>,
Wenzhuo Lu <wenzhuo.lu@intel.com>,
John Daley <johndale@cisco.com>,
Hyong Youb Kim <hyonkim@cisco.com>,
Qi Zhang <qi.z.zhang@intel.com>,
Xiao Wang <xiao.w.wang@intel.com>,
Ziyang Xuan <xuanziyang2@huawei.com>,
Xiaoyun Wang <cloud.wangxiaoyun@huawei.com>,
Guoyang Zhou <zhouguoyang@huawei.com>,
Beilei Xing <beilei.xing@intel.com>,
Jingjing Wu <jingjing.wu@intel.com>,
Qiming Yang <qiming.yang@intel.com>,
Konstantin Ananyev <konstantin.ananyev@intel.com>,
Shijith Thotton <sthotton@marvell.com>,
Srisivasubramanian Srinivasan <srinivasan@marvell.com>,
Matan Azrad <matan@mellanox.com>,
Shahaf Shuler <shahafs@mellanox.com>,
Viacheslav Ovsiienko <viacheslavo@mellanox.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Alejandro Lucero <alejandro.lucero@netronome.com>,
Rasesh Mody <rmody@marvell.com>,
Shahed Shaikh <shshaikh@marvell.com>,
Jerin Jacob <jerinj@marvell.com>,
Maciej Czekaj <mczekaj@marvell.com>,
Yong Wang <yongwang@vmware.com>,
dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 1/3] drivers/net: fix RSS hash offload set if Rx mode is RSS only
Date: Fri, 15 Nov 2019 15:00:51 +0000 [thread overview]
Message-ID: <43787182-914a-1bc5-0f1a-906b5e62c81b@intel.com> (raw)
In-Reply-To: <94cfd18c-5906-a4b7-e9aa-06db327af30b@solarflare.com>
On 11/15/2019 9:41 AM, Andrew Rybchenko wrote:
> Hi Stephen,
>
> On 11/14/19 7:56 PM, Stephen Hemminger wrote:
>> On Thu, 14 Nov 2019 16:40:50 +0000
>> Andrew Rybchenko <arybchenko@solarflare.com> wrote:
>>
>>> By default RSS hash delivery (offload) is bound to RSS mode and
>>> it is incorrect to advertise it as enabled if Rx multi-queue mode
>>> has no RSS.
>>>
>>> Fixes: 8b945a7f7dcb ("drivers/net: update Rx RSS hash offload capabilities")
>>>
>>> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
>>
>> If you have to change so many drivers, why not just handle it in
>> common rte_ethdev code?
>
> rte_ethdev cannot set the offload itself since it has no knowledge that
> the offload cannot be disabled.
> rte_ethdev can blacklist the automatically set offloads in the case of
> non-RSS Rx multi-queue mode, but I don't like it since it adds to many
> layers where we change offloads.
+1
> That's why I prefer this way.
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
next prev parent reply other threads:[~2019-11-15 15:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 16:40 Andrew Rybchenko
2019-11-14 16:40 ` [dpdk-dev] [PATCH 2/3] ethdev: decrease verbosity of not disabled offload logs Andrew Rybchenko
2019-11-14 16:53 ` Ferruh Yigit
2019-11-14 16:57 ` Stephen Hemminger
2019-11-14 16:40 ` [dpdk-dev] [PATCH 3/3] ethdev: improve message about not disabled offload Andrew Rybchenko
2019-11-14 16:53 ` Ferruh Yigit
2019-11-14 16:58 ` Stephen Hemminger
2019-11-14 16:56 ` [dpdk-dev] [PATCH 1/3] drivers/net: fix RSS hash offload set if Rx mode is RSS only Stephen Hemminger
2019-11-15 9:41 ` Andrew Rybchenko
2019-11-15 15:00 ` Ferruh Yigit [this message]
2019-11-15 16:35 ` Stephen Hemminger
2019-11-15 17:11 ` Andrew Rybchenko
2019-11-15 15:04 ` Ferruh Yigit
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