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From: Suanming Mou <suanmingm@nvidia.com>
To: Slava Ovsiienko <viacheslavo@nvidia.com>, Ori Kam <orika@nvidia.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, Matan Azrad <matan@nvidia.com>,
	Raslan Darawsheh <rasland@nvidia.com>
Subject: Re: [dpdk-dev] [PATCH v3 2/4] regex/mlx5: add data path scattered mbuf process
Date: Tue, 30 Mar 2021 09:00:56 +0000	[thread overview]
Message-ID: <BL0PR12MB2577E3EA27985C644FCAB2FEC17D9@BL0PR12MB2577.namprd12.prod.outlook.com> (raw)
In-Reply-To: <DM6PR12MB3753A90EEC7CF377873A931ADF7D9@DM6PR12MB3753.namprd12.prod.outlook.com>

Hi Slava,

> -----Original Message-----
> From: Slava Ovsiienko <viacheslavo@nvidia.com>
> Sent: Tuesday, March 30, 2021 4:05 PM
> To: Suanming Mou <suanmingm@nvidia.com>; Ori Kam <orika@nvidia.com>
> Cc: dev@dpdk.org; Matan Azrad <matan@nvidia.com>; Raslan Darawsheh
> <rasland@nvidia.com>
> Subject: RE: [PATCH v3 2/4] regex/mlx5: add data path scattered mbuf process
> 
> > -----Original Message-----
> > From: Suanming Mou <suanmingm@nvidia.com>
> > Sent: Tuesday, March 30, 2021 4:39
> > To: Ori Kam <orika@nvidia.com>
> > Cc: dev@dpdk.org; Slava Ovsiienko <viacheslavo@nvidia.com>; Matan
> > Azrad <matan@nvidia.com>; Raslan Darawsheh <rasland@nvidia.com>
> > Subject: [PATCH v3 2/4] regex/mlx5: add data path scattered mbuf
> > process
> >
> Nice feature, but I would fix the typos and reword a bit:
> 
> > UMR WQE can convert multiple mkey's memory sapce to contiguous space.
> Typo: "sapce?"
> 
> And rather not "convert mkey" but "present data buffers scattered within
> multiple mbufs with single indirect mkey".
> 
> 
> > Take advantage of the UMR WQE, scattered mbuf in one operation can be
> > converted to an indirect mkey. The RegEx which only accepts one mkey
> > can now process the whole scattered mbuf.
> I would add "in one operation."
> 
> >
> > The maximum scattered mbuf can be supported in one UMR WQE is now
> > defined as 64. Multiple operations scattered mbufs can be add to one
> > UMR
> Typos: "THE multiple", "added"
> 
> I would reword - "The mbufs from multiple operations can be combined into one
> UMR. Also, I would add few words what UMR is.
> 
> > WQE if there is enough space in the KLM array, since the operations
> > can address their own mbuf's content by the mkey's address and length.
> > However, one operation's scattered mbuf's can't be placed in two
> > different UMR WQE's KLM array, if the UMR WQE's KLM does not has
> > enough free space for one operation, a new UMR WQE will be required.
> I would say "the extra UMR WQE will be engaged"
> 
> >
> > In case the UMR WQE's indirect mkey will be over wrapped by the SQ's
> > WQE move, the meky's index used by the UMR WQE should be the index of
> > last
> typo: "meky"
> 
> > the RegEX WQE in the operations. As one operation consumes one WQE
> > set, build the RegEx WQE by reverse helps address the mkey more efficiently.
> typo: TO address
> 
> With best regards,
> Slava
> 

Thanks very much for helping with the log improvement, I will wait for one or two days to see if there are other new comments and update it with the new version.

BR,
Suanming

  reply	other threads:[~2021-03-30  9:00 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09 23:57 [dpdk-dev] [PATCH 0/3] regex/mlx5: support scattered mbuf Suanming Mou
2021-03-09 23:57 ` [dpdk-dev] [PATCH 1/3] common/mlx5: add user memory registration bits Suanming Mou
2021-03-09 23:57 ` [dpdk-dev] [PATCH 2/3] regex/mlx5: add data path scattered mbuf process Suanming Mou
2021-03-09 23:57 ` [dpdk-dev] [PATCH 3/3] app/test-regex: support scattered mbuf input Suanming Mou
2021-03-24 21:14 ` [dpdk-dev] [PATCH 0/3] regex/mlx5: support scattered mbuf Thomas Monjalon
2021-03-25  4:32 ` [dpdk-dev] [PATCH v2 0/4] " Suanming Mou
2021-03-25  4:32   ` [dpdk-dev] [PATCH v2 1/4] common/mlx5: add user memory registration bits Suanming Mou
2021-03-29  9:29     ` Ori Kam
2021-03-25  4:32   ` [dpdk-dev] [PATCH v2 2/4] regex/mlx5: add data path scattered mbuf process Suanming Mou
2021-03-29  9:34     ` Ori Kam
2021-03-29  9:52       ` Suanming Mou
2021-03-25  4:32   ` [dpdk-dev] [PATCH v2 3/4] app/test-regex: support scattered mbuf input Suanming Mou
2021-03-29  9:27     ` Ori Kam
2021-03-25  4:32   ` [dpdk-dev] [PATCH v2 4/4] regex/mlx5: prevent wrong calculation of free sqs in umr mode Suanming Mou
2021-03-29  9:35     ` Ori Kam
2021-03-30  1:39 ` [dpdk-dev] [PATCH v3 0/4] regex/mlx5: support scattered mbuf Suanming Mou
2021-03-30  1:39   ` [dpdk-dev] [PATCH v3 1/4] common/mlx5: add user memory registration bits Suanming Mou
2021-03-30  1:39   ` [dpdk-dev] [PATCH v3 2/4] regex/mlx5: add data path scattered mbuf process Suanming Mou
2021-03-30  8:05     ` Slava Ovsiienko
2021-03-30  9:00       ` Suanming Mou [this message]
2021-03-30  1:39   ` [dpdk-dev] [PATCH v3 3/4] app/test-regex: support scattered mbuf input Suanming Mou
2021-03-30  1:39   ` [dpdk-dev] [PATCH v3 4/4] regex/mlx5: prevent wrong calculation of free sqs in umr mode Suanming Mou
2021-04-06 16:22     ` Thomas Monjalon
2021-04-07  1:00       ` Suanming Mou
2021-04-07  7:11         ` Thomas Monjalon
2021-04-07  7:14           ` Suanming Mou
2021-03-31  7:37 ` [dpdk-dev] [PATCH v4 0/4] regex/mlx5: support scattered mbuf Suanming Mou
2021-03-31  7:37   ` [dpdk-dev] [PATCH v4 1/4] common/mlx5: add user memory registration bits Suanming Mou
2021-03-31  7:37   ` [dpdk-dev] [PATCH v4 2/4] regex/mlx5: add data path scattered mbuf process Suanming Mou
2021-03-31  7:37   ` [dpdk-dev] [PATCH v4 3/4] app/test-regex: support scattered mbuf input Suanming Mou
2021-03-31  7:37   ` [dpdk-dev] [PATCH v4 4/4] regex/mlx5: prevent wrong calculation of free sqs in umr mode Suanming Mou
2021-04-07  7:21 ` [dpdk-dev] [PATCH v5 0/3] regex/mlx5: support scattered mbuf Suanming Mou
2021-04-07  7:21   ` [dpdk-dev] [PATCH v5 1/3] common/mlx5: add user memory registration bits Suanming Mou
2021-04-07  7:21   ` [dpdk-dev] [PATCH v5 2/3] regex/mlx5: add data path scattered mbuf process Suanming Mou
2021-04-07  7:21   ` [dpdk-dev] [PATCH v5 3/3] app/test-regex: support scattered mbuf input Suanming Mou
2021-04-08 20:53   ` [dpdk-dev] [PATCH v5 0/3] regex/mlx5: support scattered mbuf Thomas Monjalon

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