> -----Original Message-----
> From: Ferriter, Cian
> Sent: Thursday 4 February 2021 15:48
> To: Yigit, Ferruh <ferruh.yi...@intel.com>
> Cc: dev@dpdk.org; sta...@dpdk.org
> Subject: RE: [PATCH] net/pcap: fix byte stats for drop Tx
>
>
>
> > -----Original Message-----
> > From: Yigit, Ferruh <ferruh.yi...@intel.com>
> > Sent: Wednesday 3 February 2021 17:30
> > To: Ferriter, Cian <cian.ferri...@intel.com>
> > Cc: Yigit, Ferruh <ferruh.yi...@intel.com>; dev@dpdk.org;
> sta...@dpdk.org
> > Subject: [PATCH] net/pcap: fix byte stats for drop Tx
> >
> > Drop Tx path in pcap is Tx that just drops the packets, which is used
> > for the case only Rx from a pcap file is requested/matters.
> >
> > The byte stats was calculated using first mbuf segment, which gives
> > wrong values for multi segmented mbufs, updated to use packet length
> > instead.
> >
> > Bugzilla ID: 597
> > Fixes: a3f5252e5cbd ("net/pcap: enable infinitely Rx a pcap file")
> > Cc: sta...@dpdk.org
> >
> > Reported-by: Cian Ferriter <cian.ferri...@intel.com>
> > Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com>
> > ---
>
> Acked-by: Cian Ferriter <cian.ferri...@intel.com>
>
> Tested this with 2 large PCAPs and it works as expected:
>
> testpmd> show port stats all
>
> ######################## NIC statistics for port 0
> ########################
> RX-packets: 2 RX-missed: 0 RX-bytes: 131070
> RX-errors: 0
> RX-nombuf: 0
> TX-packets: 2 TX-errors: 0 TX-bytes: 131070
>
> Throughput (since last show)
> Rx-pps: 0 Rx-bps: 0
> Tx-pps: 0 Tx-bps: 0
>
> ##########################################################
> ##################
[Cian Ferriter]
Just to clarify, the Testpmd CMD used to get the stats I pasted above is:
dpdk-testpmd -l 1,2 -w 0:00.0 --vdev
net_pcap0,rx_pcap=/root/udp_2_max_jumbo.pcap -- --no-flush-rx --i
This means that tx_drop was enabled because no tx_pcap file was passed to the
PCAP PMD as an arg.
