From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Rasesh Mody <rmody@marvell.com>,
Shahed Shaikh <shshaikh@marvell.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 1/1] net/qede: fix receive packet drop
Date: Tue, 19 Mar 2019 19:01:18 +0000 [thread overview]
Message-ID: <191681db-035a-fb28-b957-9e4023349b3d@intel.com> (raw)
In-Reply-To: <BYAPR18MB28380870FE77D5EA03190661B54A0@BYAPR18MB2838.namprd18.prod.outlook.com>
On 3/13/2019 5:55 PM, Rasesh Mody wrote:
>> From: dev <dev-bounces@dpdk.org> On Behalf Of Shahed Shaikh
>> Sent: Tuesday, March 12, 2019 9:51 AM
>>
>> There is a corner case in which driver won't post receive buffers when driver
>> has processed all received packets in single loop (i.e. hw_consumer ==
>> sw_consumer) and then HW will start dropping packets since it did not see
>> new receive buffers posted.
>>
>> This corner case is seen when size of Rx ring is less than or equals Rx packet
>> burst count for dev->rx_pkt_burst().
>>
>> Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx path")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Shahed Shaikh <shshaikh@marvell.com>
>> ---
>
> Acked-by: Rasesh Mody <rmody@marvell.com>
Applied to dpdk-next-net/master, thanks.
prev parent reply other threads:[~2019-03-19 19:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-12 16:51 [dpdk-stable] " Shahed Shaikh
2019-03-13 17:55 ` [dpdk-stable] [dpdk-dev] " Rasesh Mody
2019-03-19 19:01 ` Ferruh Yigit [this message]
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