On Thu, 14 Dec 2023 09:49:51 -0800 Stephen Hemminger <step...@networkplumber.org> wrote:
> 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. See DPDK bugzilla 1329 https://bugs.dpdk.org/show_bug.cgi?id=1329
