I'm waiting for an urgent reply from the maintainers here.
20/07/2026 15:34, Maxime Leroy: > This reverts commit 618a06c53d479ae576ff01c7d274b10c60b3d3d5. > > RTE_ETH_RSS_LEVEL_INNERMOST was mapped to the innermost IP instance by > programming the IP key extracts with hdr_index = HDR_INDEX_LAST. The > hardware only resolves that index when several IP headers are stacked. > A non-tunnelled frame carries a single IP header, so the extract > resolves to nothing, the RSS hash is constant and every such frame is > steered to a single Rx queue. > > The ethdev API defines INNERMOST by encapsulation level, not by the > presence of a tunnel: a plain frame's innermost header is its only IP > header and must be hashed. The dpaa2 hardware cannot honour that and > keep true inner-only semantics for tunnelled traffic at the same time, > so the level cannot be implemented correctly as merged. > > Revert it. Hashing the outer plus the inner IP under the PMD default > level, which spreads both plain and tunnelled traffic, is added in a > follow-up. > > Signed-off-by: Maxime Leroy <[email protected]>
