Hi Richard,
Thank you, We are going to report this issue to Synopsys
Richard Cochran 于2023年3月28日周二 11:27写道：
> On Tue, Mar 28, 2023 at 10:57:43AM +0800, merlinhe wrote:
> > Hi Miroslav,
> >
> > We use Synopsys's IP, the driver is the same as stmmac
>
> Yeah, the stmmac driver is crazy bad.
>
>
On Tue, Mar 28, 2023 at 10:57:43AM +0800, merlinhe wrote:
> Hi Miroslav,
>
> We use Synopsys's IP, the driver is the same as stmmac
Yeah, the stmmac driver is crazy bad.
It is not clear to me whether setting the time when enabling time
stamping is actually required by the IP core or not.
But
Hi Miroslav,
We use Synopsys's IP, the driver is the same as stmmac
file: stmicro/stmmac/stmmac_main.c
function: static int stmmac_hwtstamp_set(struct net_device *dev, struct
ifreq *ifr)
692 /* initialize system time */
* 693 ktime_get_real_ts64();* 694
695 /* lower 32 bits of
On Fri, Mar 24, 2023 at 03:46:49PM +0800, merlinhe wrote:
>
> port.port_initialize()->transport_open()->raw_open()->sk_timestamping_init()->hwts_init()->*ioctl(fd,
> SIOCSHWTSTAMP)(eth driver set PHC to SYS(year 2000) in this ioctl)*
That ioctl definitely shouldn't cause the PHC to be stepped.
