Re: [PATCH v5 net-next 3/3] selftests:net: Implement ptp4l sync test using netdevsim

[Jakub Kicinski <kuba@kernel.org>]

On Tue, 5 May 2026 17:22:34 -0700 Jakub Kicinski wrote:
> On Tue, 5 May 2026 09:36:30 +0200 Maciek Machnikowski wrote:
> > On 04/05/2026 19:07, Jakub Kicinski wrote:  
> > > On Sun,  3 May 2026 09:47:47 +0200 Maciek Machnikowski wrote:    
> > > Doesn't seem to pass on netdevsim for us:
> > > 
> > > # 41.13 [+40.95] # ptp4l follower did not reach locked state (s2) within 40s
> > > # 41.13 [+0.00] # Follower log (last 10 lines): ptp4l[2179.605]: ioctl SIOCETHTOOL failed: Operation not supported | ptp4l[2179.607]: interface 'eth0' does not support requested timestamping mode | failed to create a clock
> > > # 41.15 [+0.02] # Check| At /srv/vmksft/testing/wt-2/tools/testing/selftests/net/./ptp.py, line 173, in ptp_sync_test:
> > > # 41.15 [+0.01] # Check|     _run_ptp4l_wait_sync(nsimsv.ifname, nsimcl.ifname, nssv.name, nscl.name)
> > > # 41.16 [+0.01] # Check| At /srv/vmksft/testing/wt-2/tools/testing/selftests/net/./ptp.py, line 99, in _run_ptp4l_wait_sync:
> > > # 41.17 [+0.01] # Check|     ksft_true(False, "PTP sync timeout")
> > > # 41.17 [+0.00] # Check failed False does not eval to True PTP sync timeout
> > > # 41.32 [+0.16] not ok 1 ptp.ptp_sync_test
> > > # 41.33 [+0.00] # Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
> > > 
> > > Anything we need to do?    
> > 
> > Can you share the config file you used? Seems the PTP clock was not
> > found which may lead to PTP_1588_CLOCK_MOCK not being enabled?  
> 
> You have to add it to the relevant config.
> 
> Please read: github.com/linux-netdev/nipa/wiki/Netdev-CI-system

Sorry, wrong link, this:

https://github.com/linux-netdev/nipa/wiki/How-to-run-netdev-selftests-CI-style