net: dsa: mxl862xx: implement .get_stats64

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Poll free-running firmware RMON counters every 2 seconds and accumulate
deltas into 64-bit per-port statistics. 32-bit packet counters wrap
in ~220s at 10 Gbps line rate with minimum-size frames; the 2s polling
interval provides a comfortable margin. The .get_stats64 callback
forces a fresh poll so that counters are always up to date when queried.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/fa38548ba05866879e8912721edc91947ce4ff12.1775951347.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Daniel Golle 2026-04-12 01:02:05 +01:00 • committed by Jakub Kicinski

parent e6295d1246

commit a21d33a526

3 changed files with 270 additions and 7 deletions

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8

drivers/net/dsa/mxl862xx/mxl862xx-host.c

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175

drivers/net/dsa/mxl862xx/mxl862xx.c

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94

drivers/net/dsa/mxl862xx/mxl862xx.h

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