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From: Matan Azrad <matan@mellanox.com>
To: Slava Ovsiienko <viacheslavo@mellanox.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: Raslan Darawsheh <rasland@mellanox.com>,
	Ori Kam <orika@mellanox.com>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/mlx5: fix the legacy multi packet write session
Date: Mon, 10 Feb 2020 15:08:11 +0000	[thread overview]
Message-ID: <AM0PR0502MB4019CED6FA7AE050BC5342AFD2190@AM0PR0502MB4019.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <1581288893-1878-1-git-send-email-viacheslavo@mellanox.com>



From: Viacheslav Ovsiienko
> To provide the better PCIe bandwidth utilization the ConnectX-4LX NIC
> supports the multi-packet write (MPW) sessions allowing to pack multiple
> packets into one descriptor (WQE). This is legacy feature and it has some
> limitations on the packets and data description segments. To provide the
> best performance all inline packets must be put into shared data segment
> and the total length of MPW session must be limited. The limit is controlled
> with txq_inline_mpw devarg.
> 
> Fixes: 82e75f8323bf ("net/mlx5: fix legacy multi-packet Tx descriptors")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>

  reply	other threads:[~2020-02-10 15:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-09 22:54 [dpdk-dev] [PATCH] net/mlx5: fix the legacy multi packet write session Viacheslav Ovsiienko
2020-02-10 15:08 ` Matan Azrad [this message]
2020-02-11  8:33 ` Raslan Darawsheh

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