From: Stephen Hemminger <stephen@networkplumber.org>
To: Joshua Washington <joshwash@google.com>
Cc: Aman Singh <aman.deep.singh@intel.com>,
Yuying Zhang <yuying.zhang@intel.com>,
dev@dpdk.org, Rushil Gupta <rushilg@google.com>
Subject: Re: [PATCH] app/testpmd: txonly multiflow port change support
Date: Tue, 11 Apr 2023 15:38:49 -0700 [thread overview]
Message-ID: <20230411153849.78615ebf@hermes.local> (raw)
In-Reply-To: <20230411201107.2798233-1-joshwash@google.com>
On Tue, 11 Apr 2023 13:11:07 -0700
Joshua Washington <joshwash@google.com> wrote:
> Google cloud routes traffic using IP addesses without the support of MAC
> addresses, so changing source IP address for txonly-multi-flow can have
> negative performance implications for net/gve when using testpmd. This
> change adds a new flag --txonly-alter-port, which allows the alteration
> of source port instead of source IP address for txonly multiflow mode.
>
> The new flag can be tested with the following command:
> dpdk-testpmd -- --forward-mode=txonly --txonly-multi-flow --txonly-alter-port --txip=<SRC>,<DST>
>
> Signed-off-by: Joshua Washington <joshwash@google.com>
> Reviewed-by: Rushil Gupta <rushilg@google.com>
> ---
Since the purpose of the tuple variation is to get RSS,
why not just make the udp port only mode the default.
Testpmd doesn't need more options :-)
prev parent reply other threads:[~2023-04-11 22:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 20:11 [PATCH] app/testpmd: txonly multiflow port change support Joshua Washington
2023-04-11 22:38 ` Stephen Hemminger [this message]
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