octeontx2-af: add support for custom L2 header

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Add packet parsing support for custom L2 headers. Also add support
to include a field from the custom header for flow tag generation.

Introduce a new flow key type NIX_FLOW_KEY_TYPE_CH_LEN_90B which
maps to the NPC_LT_LA_CUSTOM_L2_90B_ETHER layer type. This extracts
a 2-byte field at a 24-byte offset in layer A to be used in flow
tag generation.

Signed-off-by: Satheesh Paul A <psatheesh@marvell.com>
Signed-off-by: Nitin Shetty J <nshettyj@marvell.com>
Link: https://patch.msgid.link/20260715072035.617544-1-nshettyj@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Satheesh Paul A 2026-07-15 12:50:34 +05:30 • committed by Jakub Kicinski

parent bf8cdde4ef

commit e283410075

2 changed files with 8 additions and 0 deletions

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1

drivers/net/ethernet/marvell/octeontx2/af/mbox.h

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7

drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c

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