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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Pascal Mazon <pascal.mazon@6wind.com>, Matan Azrad <matan@mellanox.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 2/2] net/tap: allow RSS flow action
Date: Thu, 5 Oct 2017 22:34:47 +0100	[thread overview]
Message-ID: <957c1985-05a7-da8e-a2c7-34eba323cff5@intel.com> (raw)
In-Reply-To: <93510ae3-736c-8a2c-f04b-534f3b545eed@6wind.com>

<...>

>> On 03/10/2017 16:55, Matan Azrad wrote:
>>> One of the main identified use cases for the tap PMD is to be used in
>>> combination with the fail-safe PMD as a fallback for a physical device.
>>>
>>> Fail-safe is very strict about making sure its current configuration is
>>> properly applied to all slave devices, they get rejected otherwise in
>>> order to maintain a consistent state.
>>>
>>> The problem is that tap's RSS support is currently limited to the
>>> default (non-Toeplitz) balancing performed by the kernel on all Rx
>>> queues. While proper RSS support emulation in the tap PMD is a work in
>>> progress, the lack of rte_flow counterpart prevents validation of the
>>> above use case in the meantime.
>>>
>>> Given that unlike most PMDs, tap is more about convenience than
>>> performance, support for the RSS action can be temporarily faked with
>>> a minimum amount of code and mostly correct behavior by treating it
>>> like a QUEUE action. Traffic is directed to the first queue of the set.
>>>
>>> Signed-off-by: Matan Azrad <matan@mellanox.com>

> Acked-by: Pascal Mazon <pascal.mazon@6wind.com>

Applied to dpdk-next-net/master, thanks.

  reply	other threads:[~2017-10-05 21:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-03 14:55 [dpdk-dev] [PATCH 1/2] net/tap: fix indentation in flow file Matan Azrad
2017-10-03 14:55 ` [dpdk-dev] [PATCH 2/2] net/tap: allow RSS flow action Matan Azrad
2017-10-04  8:19   ` Pascal Mazon
2017-10-04  8:37     ` Pascal Mazon
2017-10-05 21:34       ` Ferruh Yigit [this message]
2017-10-03 22:07 ` [dpdk-dev] [PATCH 1/2] net/tap: fix indentation in flow file Ferruh Yigit
2017-10-04  8:15   ` Pascal Mazon
2017-10-04 17:26     ` Ferruh Yigit
2017-10-05 21:33       ` Ferruh Yigit
2017-10-16  8:04         ` Pascal Mazon
     [not found] <1507042327-9501-1-git-send-email-root@pegasus12.mtr.labs.mlnx>
     [not found] ` <1507042327-9501-2-git-send-email-root@pegasus12.mtr.labs.mlnx>
2017-10-03 15:07   ` [dpdk-dev] [PATCH 2/2] net/tap: allow RSS flow action Matan Azrad

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