[dpdk-users] Sending packets in specific order

Paul Emmerich emmericp at net.in.tum.de
Mon Apr 23 14:42:30 CEST 2018


Try disabling RSS in the driver on the receiving side, it's MQ=0 for ixgbe for example.


Paul

> Am 23.04.2018 um 14:25 schrieb Sander Ubink <sanderubink at gmail.com>:
> 
> Hi,
> 
> I'm currently attempting to send a specific pattern of packets using
> pktgen. When I dump the mbuf's that are being passed to rte_eth_tx_burst()
> I can confirm that they are in the correct order. However, on the receiving
> side, tcpdump shows a completely different order. The machines are directly
> connected to each other using a QSFP cable. Is the reordering of packets
> inherent to the implementation of DPDK or is there some way I can enforce
> packets are being send in the order they are provided?
> 
> Kind regards,
> Sander

-- 
Chair of Network Architectures and Services
Department of Informatics
Technical University of Munich
Boltzmannstr. 3
85748 Garching bei München, Germany 






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