[dpdk-users] packet drops with missing rxdIdx count in vmxnet3
Stephen Hemminger
stephen at networkplumber.org
Mon Sep 30 16:59:38 CEST 2019
On Mon, 30 Sep 2019 11:22:19 +0530
Gaurav Bansal <zeebee48 at gmail.com> wrote:
> hi all,
> havn't heard back on this so far. Can anyone please let me know of the
> possible reasons for the NIC to skip some of the indexes of the descriptor
> ring in the Rx path (as also shown by the vmxnet3 logs in my previous mail)
> ?
> thanks,
> gaurav
>
A packet can span multiple segments if your receive mbuf is too small to fit
all the data. That would cause the receive data to create a chained mbuf.
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