ptp: Add generic PTP is_sync() function

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PHY drivers such as micrel or dp83640 need to analyze whether a given
skb is a PTP sync message for one step functionality.

In order to avoid code duplication introduce a generic function and
move it to ptp classify.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Kurt Kanzenbach 2022-03-05 12:21:25 +01:00 • committed by David S. Miller

parent 669b258a79

commit f72de02ebe

2 changed files with 27 additions and 0 deletions

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include/linux/ptp_classify.h

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