net: stmmac: xgmac: report L3/L4 filter match count in ethtool stats

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Read the L3FM and L4FM bits from the RX descriptor status word (RDES2)
and increment the corresponding ethtool statistics counters. This allows
users to observe L3/L4 filter hit rates via ethtool -S.

Signed-off-by: Rohan G Thomas <rohan.g.thomas@altera.com>
Signed-off-by: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@altera.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260604083037.24407-1-muhammad.nazim.amirul.nazle.asmade@altera.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

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Nazim Amirul 2026-06-04 01:30:37 -07:00 • committed by Jakub Kicinski

parent 46e5036733

commit 903db046d5

2 changed files with 8 additions and 0 deletions

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2

drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h

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6

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c

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