From: Thomas Monjalon <thomas@monjalon.net>
To: Qi Zhang <qi.z.zhang@intel.com>
Cc: dev@dpdk.org, adrien.mazarguil@6wind.com
Subject: Re: [dpdk-dev] [PATCH v2] ethdev: add fuzzy match pattern
Date: Thu, 08 Jun 2017 09:19:24 +0200 [thread overview]
Message-ID: <2304112.MuvLPJetXV@xps> (raw)
In-Reply-To: <1496874080-35086-1-git-send-email-qi.z.zhang@intel.com>
Hi,
08/06/2017 00:21, Qi Zhang:
> Add new meta pattern item RTE_FLOW_TYPE_ITEM_FUZZY.
I disagree about fuzzy wording, because fuzzy is something different
I think.
> This is for device that support fuzzy match option.
> Usually a fuzzy match is fast but the cost is accuracy.
> i.e. Signature Match only match pattern's hash value, but it is
> possible two different patterns have the same hash value.
You have described it yourself here: it matches a hash of the signature.
Why not using "hash" as wording?
> Matching accuracy level can be configure by subfield threshold.
> Driver can divide the range of threshold and map to different
> accuracy levels that device support.
>
> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
next prev parent reply other threads:[~2017-06-08 7:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 23:28 [dpdk-dev] [PATCH] ethdev: add roughly " Qi Zhang
2017-05-30 12:46 ` Adrien Mazarguil
2017-05-31 7:51 ` Gaëtan Rivet
2017-06-01 1:44 ` Zhang, Qi Z
2017-06-01 14:44 ` Adrien Mazarguil
2017-06-07 22:21 ` [dpdk-dev] [PATCH v2] ethdev: add fuzzy " Qi Zhang
2017-06-08 7:19 ` Thomas Monjalon [this message]
2017-06-12 15:38 ` Adrien Mazarguil
2017-06-13 6:03 ` Zhang, Qi Z
2017-06-13 3:07 ` [dpdk-dev] [PATCH v3] ethdev: add fuzzy match in flow API Qi Zhang
2017-07-05 16:06 ` Ferruh Yigit
2017-07-05 17:55 ` Thomas Monjalon
2017-06-21 19:07 ` [dpdk-dev] [PATCH v3 0/3] net/ixgbe: enable signature match and ipv6 for consistent API Qi Zhang
2017-06-21 19:07 ` [dpdk-dev] [PATCH v3 1/3] net/ixgbe: replace macro with inline function Qi Zhang
2017-06-21 19:07 ` [dpdk-dev] [PATCH v3 2/3] net/ixgbe: enable signature match for consistent API Qi Zhang
2017-06-21 19:07 ` [dpdk-dev] [PATCH v3 3/3] net/ixgbe: enable IPv6 " Qi Zhang
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