Messages in this thread | | | Date | Fri, 20 Oct 2023 10:21:04 -0700 | Subject | Re: [PATCH v3 net-next] net: microchip: lan743x: improve throughput with rx timestamp config | From | Jacob Keller <> |
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On 10/20/2023 11:58 AM, Vishvambar Panth S wrote: > Currently all RX frames are timestamped which results in a performance > penalty when timestamping is not needed. The default is now being > changed to not timestamp any Rx frames (HWTSTAMP_FILTER_NONE), but > support has been added to allow changing the desired RX timestamping > mode (HWTSTAMP_FILTER_ALL - which was the previous setting and > HWTSTAMP_FILTER_PTP_V2_EVENT are now supported) using > SIOCSHWTSTAMP. All settings were tested using the hwstamp_ctl application. > It is also noted that ptp4l, when started, preconfigures the device to > timestamp using HWTSTAMP_FILTER_PTP_V2_EVENT, so this driver continues > to work properly "out of the box". > > Test setup: x64 PC with LAN7430 ---> x64 PC as partner > > iperf3 with - Timestamp all incoming packets: > - - - - - - - - - - - - - - - - - - - - - - - - - > [ ID] Interval Transfer Bitrate Retr > [ 5] 0.00-5.05 sec 517 MBytes 859 Mbits/sec 0 sender > [ 5] 0.00-5.00 sec 515 MBytes 864 Mbits/sec receiver > > iperf Done. > > iperf3 with - Timestamp only PTP packets: > - - - - - - - - - - - - - - - - - - - - - - - - - > [ ID] Interval Transfer Bitrate Retr > [ 5] 0.00-5.04 sec 563 MBytes 937 Mbits/sec 0 sender > [ 5] 0.00-5.00 sec 561 MBytes 941 Mbits/sec receiver > > Signed-off-by: Vishvambar Panth S <vishvambarpanth.s@microchip.com> > ---
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
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