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From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: "Thomas Monjalon" <thomas@monjalon.net>,
	"Spike Du" <spiked@nvidia.com>,
	"Morten Brørup" <mb@smartsharesystems.com>
Cc: matan@nvidia.com, viacheslavo@nvidia.com, orika@nvidia.com,
	dev@dpdk.org,  rasland@nvidia.com, stephen@networkplumber.org,
	ferruh.yigit@amd.com, david.marchand@redhat.com
Subject: Re: [PATCH v3 0/7] introduce per-queue limit watermark and host shaper
Date: Wed, 25 May 2022 17:11:51 +0300	[thread overview]
Message-ID: <6046763c-30ff-fd1f-6ff6-e615891c46bc@oktetlabs.ru> (raw)
In-Reply-To: <3519312.WbyNdk4fJJ@thomas>

On 5/24/22 22:22, Thomas Monjalon wrote:
> 24/05/2022 21:00, Morten Brørup:
>> From: Thomas Monjalon [mailto:thomas@monjalon.net]
>>> 24/05/2022 17:20, Spike Du:
>>>> LWM(limit watermark) is per RX queue attribute, when RX queue
>>> fullness reach the LWM limit, HW sends an event to dpdk application.
>>
>> Please ignore this comment, it is not important, but I had to get it out of my system: I assume that the "LWM" name is from the NIC datasheet; otherwise I would probably prefer something with "threshold"... LWM is easily confused with "low water mark", which is the opposite of what the LWM does. Names are always open for discussion, so I won't object to it.
> 
> Yes it is a threshold, and yes it is often called a watermark.
> I think we can get more ideas and votes about the naming.
> Please let's conclude on a short name which can be inserted
> easily in function names.

As I understand it is an Rx queue fill (level) threshold.
"fill_thresh" or "flt" if the first one is too long.


  reply	other threads:[~2022-05-25 14:11 UTC|newest]

Thread overview: 131+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-01  3:22 [RFC 0/6] net/mlx5: introduce " Spike Du
2022-04-01  3:22 ` [RFC 1/6] net/mlx5: add LWM support for Rxq Spike Du
2022-05-06  3:56   ` [RFC v1 0/7] net/mlx5: introduce limit watermark and host shaper Spike Du
2022-05-06  3:56     ` [RFC v1 1/7] net/mlx5: add LWM support for Rxq Spike Du
2022-05-06  3:56     ` [RFC v1 2/7] common/mlx5: share interrupt management Spike Du
2022-05-06  3:56     ` [RFC v1 3/7] ethdev: introduce Rx queue based limit watermark Spike Du
2022-05-19  9:37       ` Andrew Rybchenko
2022-05-06  3:56     ` [RFC v1 4/7] net/mlx5: add LWM event handling support Spike Du
2022-05-06  3:56     ` [RFC v1 5/7] net/mlx5: support Rx queue based limit watermark Spike Du
2022-05-06  3:56     ` [RFC v1 6/7] net/mlx5: add private API to config host port shaper Spike Du
2022-05-06  3:56     ` [RFC v1 7/7] app/testpmd: add LWM and Host Shaper command Spike Du
2022-05-22  5:58     ` [RFC v2 0/7] introduce per-queue limit watermark and host shaper Spike Du
2022-05-22  5:58       ` [RFC v2 1/7] net/mlx5: add LWM support for Rxq Spike Du
2022-05-22  5:58       ` [RFC v2 2/7] common/mlx5: share interrupt management Spike Du
2022-05-22  5:58       ` [RFC v2 3/7] ethdev: introduce Rx queue based limit watermark Spike Du
2022-05-22 15:23         ` Stephen Hemminger
2022-05-23  3:01           ` Spike Du
2022-05-23 21:45             ` Thomas Monjalon
2022-05-24  2:50               ` Spike Du
2022-05-24  8:18                 ` Thomas Monjalon
2022-05-25 12:59                   ` Andrew Rybchenko
2022-05-25 13:58                     ` Thomas Monjalon
2022-05-25 14:23                       ` Andrew Rybchenko
2022-05-23 22:54             ` Stephen Hemminger
2022-05-24  3:46               ` Spike Du
2022-05-22 15:24         ` Stephen Hemminger
2022-05-23  2:18           ` Spike Du
2022-05-23  6:07         ` Morten Brørup
2022-05-23 10:58           ` Thomas Monjalon
2022-05-23 14:10             ` Spike Du
2022-05-23 14:39               ` Thomas Monjalon
2022-05-24  6:35                 ` Andrew Rybchenko
2022-05-24  9:40                   ` Morten Brørup
2022-05-22  5:58       ` [RFC v2 4/7] net/mlx5: add LWM event handling support Spike Du
2022-05-22  5:58       ` [RFC v2 5/7] net/mlx5: support Rx queue based limit watermark Spike Du
2022-05-22  5:58       ` [RFC v2 6/7] net/mlx5: add private API to config host port shaper Spike Du
2022-05-22  5:59       ` [RFC v2 7/7] app/testpmd: add LWM and Host Shaper command Spike Du
2022-05-24 15:20       ` [PATCH v3 0/7] introduce per-queue limit watermark and host shaper Spike Du
2022-05-24 15:20         ` [PATCH v3 1/7] net/mlx5: add LWM support for Rxq Spike Du
2022-05-24 15:20         ` [PATCH v3 2/7] common/mlx5: share interrupt management Spike Du
2022-05-24 15:20         ` [PATCH v3 3/7] ethdev: introduce Rx queue based limit watermark Spike Du
2022-05-24 15:20         ` [PATCH v3 4/7] net/mlx5: add LWM event handling support Spike Du
2022-05-24 15:20         ` [PATCH v3 5/7] net/mlx5: support Rx queue based limit watermark Spike Du
2022-05-24 15:20         ` [PATCH v3 6/7] net/mlx5: add private API to config host port shaper Spike Du
2022-05-24 15:20         ` [PATCH v3 7/7] app/testpmd: add LWM and Host Shaper command Spike Du
2022-05-24 15:59         ` [PATCH v3 0/7] introduce per-queue limit watermark and host shaper Thomas Monjalon
2022-05-24 19:00           ` Morten Brørup
2022-05-24 19:22             ` Thomas Monjalon
2022-05-25 14:11               ` Andrew Rybchenko [this message]
2022-05-25 13:14             ` Spike Du
2022-05-25 13:40               ` Morten Brørup
2022-05-25 13:59                 ` Spike Du
2022-05-25 14:16                   ` Morten Brørup
2022-05-25 14:30                     ` Andrew Rybchenko
2022-06-03 12:48         ` [PATCH v4 0/7] introduce per-queue fill threshold " Spike Du
2022-06-03 12:48           ` [PATCH v4 1/7] net/mlx5: add LWM support for Rxq Spike Du
2022-06-03 12:48           ` [PATCH v4 2/7] common/mlx5: share interrupt management Spike Du
2022-06-03 14:30             ` Ray Kinsella
2022-06-03 12:48           ` [PATCH v4 3/7] ethdev: introduce Rx queue based fill threshold Spike Du
2022-06-03 14:30             ` Ray Kinsella
2022-06-04 12:46             ` Andrew Rybchenko
2022-06-06 13:16               ` Spike Du
2022-06-06 17:15                 ` Andrew Rybchenko
2022-06-06 21:30                   ` Thomas Monjalon
2022-06-07  8:02                     ` Andrew Rybchenko
2022-06-07  6:00                   ` Spike Du
2022-06-06 15:49             ` Stephen Hemminger
2022-06-03 12:48           ` [PATCH v4 4/7] net/mlx5: add LWM event handling support Spike Du
2022-06-03 12:48           ` [PATCH v4 5/7] net/mlx5: support Rx queue based fill threshold Spike Du
2022-06-03 12:48           ` [PATCH v4 6/7] net/mlx5: add private API to config host port shaper Spike Du
2022-06-03 14:55             ` Ray Kinsella
2022-06-03 12:48           ` [PATCH v4 7/7] app/testpmd: add Host Shaper command Spike Du
2022-06-07 12:59           ` [PATCH v5 0/7] introduce per-queue available descriptor threshold and host shaper Spike Du
2022-06-07 12:59             ` [PATCH v5 1/7] net/mlx5: add LWM support for Rxq Spike Du
2022-06-08 20:10               ` Matan Azrad
2022-06-07 12:59             ` [PATCH v5 2/7] common/mlx5: share interrupt management Spike Du
2022-06-07 12:59             ` [PATCH v5 3/7] ethdev: introduce Rx queue based available descriptor threshold Spike Du
2022-06-07 12:59             ` [PATCH v5 4/7] net/mlx5: add LWM event handling support Spike Du
2022-06-07 12:59             ` [PATCH v5 5/7] net/mlx5: support Rx queue based available descriptor threshold Spike Du
2022-06-07 12:59             ` [PATCH v5 6/7] net/mlx5: add private API to config host port shaper Spike Du
2022-06-07 12:59             ` [PATCH v5 7/7] app/testpmd: add Host Shaper command Spike Du
2022-06-09  7:55               ` Andrew Rybchenko
2022-06-10  2:22                 ` Spike Du
2022-06-13  2:50               ` [PATCH v6] " Spike Du
2022-06-13  2:50                 ` Spike Du
2022-06-14  9:43                   ` Singh, Aman Deep
2022-06-14  9:54                     ` Spike Du
2022-06-14 12:01                   ` [PATCH v7] " Spike Du
2022-06-14 12:01                     ` Spike Du
2022-06-15  7:51                       ` Matan Azrad
2022-06-15 11:08                       ` Thomas Monjalon
2022-06-15 12:58                       ` [PATCH v8 0/6] introduce per-queue available descriptor threshold and host shaper Spike Du
2022-06-15 12:58                         ` [PATCH v8 1/6] net/mlx5: add LWM support for Rxq Spike Du
2022-06-15 14:43                           ` [PATCH v9 0/6] introduce per-queue available descriptor threshold and host shaper Spike Du
2022-06-15 14:43                             ` [PATCH v9 1/6] net/mlx5: add LWM support for Rxq Spike Du
2022-06-16  8:41                               ` [PATCH v10 0/6] introduce per-queue available descriptor threshold and host shaper Spike Du
2022-06-16  8:41                                 ` [PATCH v10 1/6] net/mlx5: add LWM support for Rxq Spike Du
2022-06-16  8:41                                 ` [PATCH v10 2/6] common/mlx5: share interrupt management Spike Du
2022-06-23 16:05                                   ` Ray Kinsella
2022-06-16  8:41                                 ` [PATCH v10 3/6] net/mlx5: add LWM event handling support Spike Du
2022-06-16  8:41                                 ` [PATCH v10 4/6] net/mlx5: support Rx queue based available descriptor threshold Spike Du
2022-06-16  8:41                                 ` [PATCH v10 5/6] net/mlx5: add private API to config host port shaper Spike Du
2022-06-16  8:41                                 ` [PATCH v10 6/6] app/testpmd: add Host Shaper command Spike Du
2022-06-19  8:14                                 ` [PATCH v10 0/6] introduce per-queue available descriptor threshold and host shaper Raslan Darawsheh
2022-06-15 14:43                             ` [PATCH v9 2/6] common/mlx5: share interrupt management Spike Du
2022-06-15 14:43                             ` [PATCH v9 3/6] net/mlx5: add LWM event handling support Spike Du
2022-06-15 14:43                             ` [PATCH v9 4/6] net/mlx5: support Rx queue based available descriptor threshold Spike Du
2022-06-15 14:43                             ` [PATCH v9 5/6] net/mlx5: add private API to config host port shaper Spike Du
2022-06-15 14:43                             ` [PATCH v9 6/6] app/testpmd: add Host Shaper command Spike Du
2022-06-15 12:58                         ` [PATCH v8 2/6] common/mlx5: share interrupt management Spike Du
2022-06-15 12:58                         ` [PATCH v8 3/6] net/mlx5: add LWM event handling support Spike Du
2022-06-15 12:58                         ` [PATCH v8 4/6] net/mlx5: support Rx queue based available descriptor threshold Spike Du
2022-06-15 12:58                         ` [PATCH v8 5/6] net/mlx5: add private API to config host port shaper Spike Du
2022-06-15 12:58                         ` [PATCH v8 6/6] app/testpmd: add Host Shaper command Spike Du
2022-06-08  9:43             ` [PATCH v5 0/7] introduce per-queue available descriptor threshold and host shaper Andrew Rybchenko
2022-06-08 16:35             ` [PATCH v6] ethdev: introduce available Rx descriptors threshold Andrew Rybchenko
2022-06-08 17:22               ` Thomas Monjalon
2022-06-08 17:46                 ` Thomas Monjalon
2022-06-09  0:17                   ` fengchengwen
2022-06-09  7:05                     ` Thomas Monjalon
2022-06-10  0:01                       ` fengchengwen
2022-04-01  3:22 ` [RFC 2/6] common/mlx5: share interrupt management Spike Du
2022-04-01  3:22 ` [RFC 3/6] net/mlx5: add LWM event handling support Spike Du
2022-04-01  3:22 ` [RFC 4/6] net/mlx5: add private API to configure Rxq LWM Spike Du
2022-04-01  3:22 ` [RFC 5/6] net/mlx5: add private API to config host port shaper Spike Du
2022-04-01  3:22 ` [RFC 6/6] app/testpmd: add LWM and Host Shaper command Spike Du
2022-04-05  8:58 ` [RFC 0/6] net/mlx5: introduce limit watermark and host shaper Jerin Jacob
2022-04-26  2:42   ` Spike Du
2022-05-01 12:50     ` Jerin Jacob
2022-05-02  3:58       ` Spike Du
2022-04-29  5:48   ` Spike Du

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