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23 October 2021, 00:29:24 UTC
Revision ae6e86b7fb15520ac64513ad643de63e0b077aa5 authored by Richard Cochran on 14 June 2011, 23:55:20 UTC, committed by David S. Miller on 17 June 2011, 03:48:12 UTC 
dp83640: drop PHY status frames in the driver.
 
The dp83640 PHY provides time stamp and other information via special
PHY status frames. Previously, the driver decoded the frames and then
let the network stack drop them. This works fine when the PTP messages
come over UDP.

However, when receiving PTP messages via L2 packets, this creates a
problem. The status frames use the official PTP destination MAC address,
and so they are delivered to user space along with the "real" frames,
causing confusion for applications.

This commit fixes the issue by simply dropping the PHY status frames
in the driver.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
1 parent 2331038
History
Tip revision: ae6e86b7fb15520ac64513ad643de63e0b077aa5 authored by Richard Cochran on 14 June 2011, 23:55:20 UTC
dp83640: drop PHY status frames in the driver.
Tip revision: ae6e86b
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