[dpdk-dev] [PATCH] doc: add ixgbe known issue with RSS

[beilei.xing at intel.com]

From: Beilei Xing <beilei.xing at intel.com>

Currently, IXGBE doesn't support RSS when double VLAN
is enabled due to FW limitation.

Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
 doc/guides/nics/ixgbe.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst
index c801dbae81..696cbd93ba 100644
--- a/doc/guides/nics/ixgbe.rst
+++ b/doc/guides/nics/ixgbe.rst
@@ -252,6 +252,11 @@ Before binding ``vfio`` with legacy mode in X550 NICs, use ``modprobe vfio ``
 ``nointxmask=1`` to load ``vfio`` module if the intx is not shared with other
 devices.
 
+RSS isn't supported when QinQ is enabled
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Due to FW limitation, IXGBE doesn't support RSS when QinQ is enabled currently.
+
 Inline crypto processing support
 --------------------------------
 
-- 
2.26.2