[dpdk-dev] Q on IXGBE and I40E vector Tx processing

Ravi Kerur rkerur at gmail.com
Fri Apr 14 19:35:56 CEST 2017


Hi,

We are using dpdk 16.04 and by looking at the ixgbe and
i40e(i40e_xmit_pkts_vec) and ixgbe(ixgbe_xmit_pkts_vec) driver vector tx
processing code I see they both don't handle scattered packet processing.
For any packets greater than 2048 bytes which will basically contain
multiple rte_mbuf segs vector tx processing cannot be used.

Any reasons why vector tx for both ixgbe and i40e doesn't support scattered
or multiple mbuf segments processing?

Thanks.


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