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From: Thomas Monjalon <thomas@monjalon.net>
To: Robin Jarry <rjarry@redhat.com>
Cc: dev@dpdk.org, Olivier Matz <olivier.matz@6wind.com>,
Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
Subject: Re: [PATCH] usertools: add tool to generate balanced rss traffic flows
Date: Fri, 14 Apr 2023 09:23:06 +0200
Message-ID: <21838707.EfDdHjke4D@thomas>
In-Reply-To: <20230413203010.638406-1-rjarry@redhat.com>
References: <20230413203010.638406-1-rjarry@redhat.com>
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Errors-To: dev-bounces@dpdk.org
13/04/2023 22:30, Robin Jarry:
> From: 6WIND <grumly@6wind.com>
I don't remember drinking a beer with grumly.
Maybe it is not his real name?
> usage: dpdk-rss-flows.py [-h] [-s SPORT_RANGE] [-d DPORT_RANGE] [-r]
> [-k RSS_KEY] [-t RETA_SIZE] [-j]
> RX_QUEUES SRC DST
>
> Craft IP{v6}/{TCP/UDP} traffic flows that will evenly spread over a
> given number of RX queues according to the RSS algorithm.
>
> positional arguments:
> RX_QUEUES The number of RX queues to fill.
> SRC The source IP network/address.
> DST The destination IP network/address.
>
> options:
> -h, --help show this help message and exit
> -s SPORT_RANGE, --sport-range SPORT_RANGE
> The layer 4 (TCP/UDP) source port range. Can
> be a single fixed value or a range
> <start>-<end>.
> -d DPORT_RANGE, --dport-range DPORT_RANGE
> The layer 4 (TCP/UDP) destination port range.
> Can be a single fixed value or a range
> <start>-<end>.
> -r, --check-reverse-traffic
> The reversed traffic (source <-> dest) should
> also be evenly balanced in the queues.
> -k RSS_KEY, --rss-key RSS_KEY
> The random key byte-stream used to compute the
> RSS hash. This option supports either a
> supported driver name or the hex value of the
> key (default: intel).
> -t RETA_SIZE, --reta-size RETA_SIZE
> Size of the redirection table or "RETA"
> (default: 128).
> -j, --json Output in parseable JSON format.
How do you parse the JSON format?
Is there a tool able to use this table and generate the traffic?