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Merge branch 'ptp-over-udp-dsa'

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Vladimir Oltean says:

====================
Support PTP over UDP with the ocelot-8021q DSA tagging protocol

The alternative tag_8021q-based tagger for Ocelot switches, added here:
https://patchwork.kernel.org/project/netdevbpf/cover/20210129010009.3959398-1-olteanv@gmail.com/

gained support for PTP over L2 here:
https://patchwork.kernel.org/project/netdevbpf/cover/20210213223801.1334216-1-olteanv@gmail.com/

mostly as a minimum viable requirement. That PTP support was mostly
self-contained code that installed some rules to replicate PTP packets
on the CPU queue, in felix_setup_mmio_filtering().

However ocelot-8021q starts to look more interesting for general purpose
usage, so it is now time to reduce the technical debt by integrating the
PTP traps used by Felix for tag_8021q with the rest of the Ocelot driver.

There is further consolidation of traps to be done. The cookies used by
MRP traps overlap with the cookies used for tag_8021q PTP traps, so
those features could not be used at the same time.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2022-02-17 14:06:51 +00:00
commit 5da1033b9e
9 changed files with 194 additions and 220 deletions
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