ptp: Add generic ptp message type function

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The message type is located at different offsets within the ptp header depending
on the ptp version (v1 or v2). Therefore, drivers which also deal with ptp v1
have some code for it.

Extract this into a helper function for drivers to be used.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Kurt Kanzenbach 2020-08-18 12:32:44 +02:00 • committed by David S. Miller

parent bdfbb63c31

commit 036c508ba9

1 changed files with 25 additions and 0 deletions

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include/linux/ptp_classify.h

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