The BPF infrastructure in kernel changed which broke the method being used to load the RSS part of rte_flow in the TAP device. Since this is a little used feature, and fixing the problem would be moderately complex and create new dependency on libbpf, mark the feature as deprecated and plan for removal.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org> --- doc/guides/rel_notes/deprecation.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index 81b93515cbd9..7d9012ada2d7 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -146,3 +146,8 @@ Deprecation Notices will be deprecated and subsequently removed in DPDK 24.11 release. Before this, the new port library API (functions rte_swx_port_*) will gradually transition from experimental to stable status. + +* tap: The support for RTE_FLOW_ACTION_TYPE_RSS is deprecated and + will be removed in DPDK 24.11 release. It is already broken on recent + Linux kernels due to changes in how BPF programs are loaded, + and will not be fixed. -- 2.43.0
