[dpdk-dev] [PATCH v3 1/2] net/octeontx2: fix ptp performance issue

[Jerin Jacob Kollanukkaran]

> -----Original Message-----
> From: Harman Kalra <hkalra at marvell.com>
> Sent: Sunday, July 28, 2019 2:40 PM
> To: Pavan Nikhilesh Bhagavatula <pbhagavatula at marvell.com>; Jerin Jacob
> Kollanukkaran <jerinj at marvell.com>; Nithin Kumar Dabilpuram
> <ndabilpuram at marvell.com>; Kiran Kumar Kokkilagadda
> <kirankumark at marvell.com>
> Cc: dev at dpdk.org; Harman Kalra <hkalra at marvell.com>
> Subject: [PATCH v3 1/2] net/octeontx2: fix ptp performance issue
> 
> A huge drop in per core MPPS value was observed when PTP stack is
> enabled. The reason behind the bottleneck is HW serialises the transfer of all
> SQEs, which seeks timestamp capture, on the same send DMA path. Hence
> only those packets which requires timestamp capture should set SETTSTAMP
> in send mem alg.
> With this patch timestamping would be done only for those packets with
> PKT_TX_IEEE1588_TMST set.
> 
> Fixes: fb3ae0951abd ("net/octeontx2: support Tx")
> Fixes: 8980a153006b ("event/octeontx2: support PTP for SSO")
> 
> Signed-off-by: Harman Kalra <hkalra at marvell.com>

Acked-by: Jerin Jacob <jerinj at marvell.com>
Series applied to dpdk-next-net-mrvl/master. Thanks.