* [dpdk-dev] Synchronize DPDK NICs using IEEE 1588 Precision Time Protocol (PTP)
@ 2015-04-16 1:10 Malveeka Tewari
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From: Malveeka Tewari @ 2015-04-16 1:10 UTC (permalink / raw)
To: dev
Hi all,
I have a DPDK app that requires tight time synchronization between end
hosts.
In my setup, the testbed is connected to a Cisco switch that supports the
PTP protocol. I know that the ixgbe driver for Intel 82599 nics support the
PTP time protocol, but I'm not sure if the DPDK framework supports PTP.
I found code in the dpdk tree for IEEE 1588 here,
http://www.dpdk.org/browse/dpdk/tree/app/test-pmd/ieee1588fwd.c
But I'm not sure what'st the best model to incorporate this functionality.
Should I run two DPDK apps (and have flow director rules setup for PTP
packets?)
or should I just modify my app to support the 1588 functionality.
If someone has used/tested the 1588 implementation in the DPDK code base,
please let me know.
Thanks!
Malveeka
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