* [dpdk-users] Distribution of received packets to CPU cores when using AF_XDP PMD in DPDK?
@ 2021-06-21 5:40 Staffan Wiklund
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From: Staffan Wiklund @ 2021-06-21 5:40 UTC (permalink / raw)
To: users
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
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