Files
linux/include/net
Bastien Curutchet (Schneider Electric) 46e8ceb399 net: dsa: microchip: add KSZ8463 tail tag handling
KSZ8463 uses the KSZ9893 DSA TAG driver. However, the KSZ8463 doesn't
use the tail tag to convey timestamps to the host as KSZ9893 does. It
uses the reserved fields in the PTP header instead.

Add a KSZ8463-specific DSA_TAG driver to handle KSZ8463 timestamps.
There is no information in the tail tag to distinguish PTP packets from
others so use the ptp_classify_raw() helper to find the PTP packets and
extract the timestamp from their PTP headers.

Signed-off-by: Bastien Curutchet (Schneider Electric) <bastien.curutchet@bootlin.com>
Link: https://patch.msgid.link/20260727-ksz-new-ptp-v3-8-caba39e680e3@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-07-31 16:29:56 -07:00
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