Re: [PATCH AUTOSEL 4.4 8/9] net: ptp: add a definition for the UDP port for IEEE 1588 general messages

Pavel Machek
2021-12-04T12:18:52Z

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Hi!

> [ Upstream commit ec15baec3272bbec576f2ce7ce47765a8e9b7b1c ]
>
> As opposed to event messages (Sync, PdelayReq etc) which require
> timestamping, general messages (Announce, FollowUp etc) do not.
> In PTP they are part of different streams of data.
>
> IEEE 1588-2008 Annex D.2 "UDP port numbers" states that the UDP
> destination port assigned by IANA is 319 for event messages, and 320 for
> general messages. Yet the kernel seems to be missing the definition for
> general messages. This patch adds it.

This does not fix any bug in 4.4, right? We do not need it in stable.

Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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