[dpdk-dev] bnx2x pmd performance expectations

Chas Williams 3chas3 at gmail.com
Sun Dec 27 22:17:36 CET 2015


I wouldn't consider myself an expert on this driver but while looking
at some other things, I have noted that RTE_PMD_BNX2X_TX_MAX_BURST is
defined to be 1.  This bursts single packets to bnx2x_tx_encap() but it
looks like bnx2x_tx_encap() is far more capable than that.

On Tue, 2015-12-22 at 14:52 +0300, Alexander Belyakov wrote:
> Hi,
> 
> just tried to forward a lot of tiny packets with testpmd (dpdk-2.2.0)
> running on Broadcom Corporation NetXtreme II BCM57810S 10 Gigabit
> Ethernet
> (rev 10) adapter. I see forwarding performance of 2.6Mpps instead of
> expected 14.8Mpps. What should be done to achieve better results?
> 
> Thank you,
> Alexander Belyakov


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