Re: [PATCH net-next 0/4] Fix broken PTP over IP on Ocelot switches

[Vladimir Oltean <vladimir.oltean@nxp.com>]

On Fri, Nov 26, 2021 at 01:21:14AM +0200, Vladimir Oltean wrote:
> Po Liu reported recently that timestamping PTP over IPv4 is broken using
> the felix driver on NXP LS1028A. This has been known for a while, of
> course, since it has always been broken. The reason is because IP PTP
> packets are currently treated as unknown IP multicast, which is not
> flooded to the CPU port in the ocelot driver design, so packets don't
> reach the ptp4l program.
> 
> The series solves the problem by installing packet traps per port when
> the timestamping ioctl is called, depending on the RX filter selected
> (L2, L4 or both).
> 
> Vladimir Oltean (4):
>   net: mscc: ocelot: don't downgrade timestamping RX filters in
>     SIOCSHWTSTAMP
>   net: mscc: ocelot: create a function that replaces an existing VCAP
>     filter
>   net: ptp: add a definition for the UDP port for IEEE 1588 general
>     messages
>   net: mscc: ocelot: set up traps for PTP packets
> 
>  drivers/net/ethernet/mscc/ocelot.c      | 247 +++++++++++++++++++++++-
>  drivers/net/ethernet/mscc/ocelot_vcap.c |  16 ++
>  include/linux/ptp_classify.h            |   1 +
>  include/soc/mscc/ocelot_vcap.h          |   2 +
>  4 files changed, 259 insertions(+), 7 deletions(-)
> 
> -- 
> 2.25.1
>

I don't know why I targeted these patches to "net-next". Habit I guess.
Nonetheless, they apply equally well to "net", can they be considered
for merging there without me resending?