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From: Staffan Wiklund <staffan491@gmail.com>
To: users@dpdk.org
Subject: [dpdk-users] Distribution of received packets to CPU cores when using AF_XDP PMD in DPDK?
Date: Mon, 21 Jun 2021 07:40:44 +0200
Message-ID: <CAAV4wTgyLdRYwp5qUTFmh5azLRWyXcsY5SgghBm5PU-K0z21Ww@mail.gmail.com> (raw)

Hi

I wonder if you please can help me with a question about the AF_XDP Poll
Mode Driver
which is integrated in DPDK.

1) How does this driver distribute received packets to the CPU Cores?
    If for example the EAL parameter -l is set to 4,5 does this mean that
received packets are
    processed by CPU cores 4 and 5 and the AF_XDP PMD distributes the
received packets
    evenly on these cores?
2) Is a round-robin principle used for selecting which core that shall
handle a received packet?
3) Is RSS (Receive Side Scaling) not used when using the AF_XDP PMD drive
in DPDK?

Thanks
Staffan

                 reply	other threads:[~2021-06-21  5:40 UTC|newest]

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