doc: add vector mode limitation in bnxt guide

PMD can support vector mode when jumbo is enabled as long as MTU is not
large enough to require scattered RX (which also depends on the mbuf size).

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/doc/guides/nics/bnxt.rst b/doc/guides/nics/bnxt.rst
index 055f1ff..4cd8475 100644 (file)
--- a/doc/guides/nics/bnxt.rst
+++ b/doc/guides/nics/bnxt.rst
@@ -892,6 +892,9 @@ is stopped.
 Note that TX (or RX) vector mode can be enabled independently from RX (or TX)
 vector mode.
 
+Also vector mode is allowed when jumbo is enabled
+as long as the MTU setting does not require scattered Rx.
+
 Appendix
 --------