[PATCH] net/tap: add deprecation notice for RTE_FLOW_ACTION_RSS
Stephen Hemminger
stephen at networkplumber.org
Thu Dec 14 18:49:51 CET 2023
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 <stephen at 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
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