[PATCH 1/2] doc: fix mlx5 VXLAN matching limitations

[Minggang Li(Gavin)]

P bit of VXLAN-GPE and G bit of VXLAN-GBP should be set when matching the
protocols.

Fixes: 49765b78c81b ("net/mlx5/hws: match all VXLAN fields")
Signed-off-by: Minggang Li(Gavin) <gavinl at nvidia.com>
---
 doc/guides/nics/mlx5.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 690b46a974..caf711ce67 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -339,6 +339,10 @@ Limitations
   - For ConnectX-5, the UDP destination port must be the standard one (4789).
   - Default UDP destination is 4789 if not explicitly specified.
   - Group zero's behavior may differ which depends on FW.
+  - User should set different flags when matching on VXLAN-GPE/GBP:
+
+   - for VXLAN-GPE - P flag
+   - for VXLAN-GBP - G flag
 
 - Matching on VXLAN-GPE header fields:
 
-- 
2.34.1