Webptp4l is an implementation of the Precision Time Protocol (PTP) according to IEEE standard 1588 for Linux. ... The number of retries to fetch the tx time stamp from the kernel when a message is sent. The default is 100. ... When set to 0.0, the value will be selected from 0.7 and 0.1 for the hardware and software time stamping respectively. The ... WebQ2: Could it be within ptp4l's capabilities to detect such a 'no-timestamp possible' message on the errqueue and do something not quite so drastic as a full reset, especially if it's a transient -EAGAIN type response? This is not there today, but would it be sensible/allowable to try again a few times, with different sequence numbers, etc?
ptp4l(8): PTP Boundary/Ordinary Clock - Linux man page
WebApr 26, 2024 · The ptp4l stack may report a timeout for getting the tx timestamp, but this rarely appears. This is not a bug. The stack tries to get the tx timestamp after sending a … WebJul 6, 2024 · On two Compute Module 4s, using ptp4l, ... sudo ptp4l -i eth0 --slaveOnly 1 -m --tx_timestamp_timeout 200 Thanks especially to Ahmad Byagowi and his team over at … prime number 100 chart
Synchronizing Time with Linux* PTP - Read the Docs
WebDec 14, 2024 · With ethtool, i can see that it supports both software and hardware timestamp root@phyboard-mira-imx6-7:~# ethtool -T eth0 Time stamping parameters for eth0: Capabilities: hardware-transmit (SOF_TIMESTAMPING_TX_HARDWARE) software-transmit (SOF_TIMESTAMPING_TX_SOFTWARE) hardware-receive … WebApr 11, 2024 · Business Software. Resources. Blog; Articles; Menu Help; Create; Join; Login; Home. Browse. linuxptp. ... (enp3s0): assuming the grand master role ptp4l[11761.868]: timed out while polling for tx timestamp ptp4l[11761.868]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l[11761.868]: port 1 ... WebWe'd like to implement the one step hardware time stamp linuxptp on it. we have checked the driver and hardware support using ethtool. The timestamping parameters for eth0 is: Capabilities: hardware-transmit (SOF_TIMESTAMPING_TX_HARDWARE) software-transmit (SOF_TIMESTAMPING_TX_SOFTWARE) hardware-receive … prime number 10 to 20