** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1785816
Title:
Consider enabling CONFIG_NETWORK_PHY_TIMESTAMPING
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Committed
Bug description:
SRU Justification
Impact: CONFIG_NETWORK_PHY_TIMESTAMPING is disabled, preventing PTP
time synchronization using the DP83640 PHYTER.
Fix: Enable this option and set CONFIG_DP83640_PHY=m to enable the
DP83640 PHYTER driver.
Regression Potential: The kconfig help text warns of adding overhead
to network tx and rx, but our analysis finds this to be negligible
(see comment #6). Beyond this we are enabling a new driver which does
little unless timestamping is explicitly activated, so regressions are
not expected.
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Hi folks, is there a reason we do not enable
CONFIG_NETWORK_PHY_TIMESTAMPING ? I'm not sure of the tradeoffs but I
think this config option is required for PTP time syncronization which
would be useful in telco and financial (and OCD :)) environments.
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