doc: add i40e firmware upgrade guide

This patch adds link to the DPDK i40e doc,
which is how to upgrade firmware guide for users.

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst
index bc200d3..a0946e6 100644 (file)
--- a/doc/guides/nics/i40e.rst
+++ b/doc/guides/nics/i40e.rst
@@ -78,6 +78,8 @@ Prerequisites
 - To get better performance on Intel platforms, please follow the "How to get best performance with NICs on Intel platforms"
   section of the :ref:`Getting Started Guide for Linux <linux_gsg>`.
 
+- Upgrade the NVM/FW version following the `Intel® Ethernet NVM Update Tool Quick Usage Guide for Linux
+  <https://www-ssl.intel.com/content/www/us/en/embedded/products/networking/nvm-update-tool-quick-linux-usage-guide.html>`_ if needed.
 
 Pre-Installation Configuration
 ------------------------------