doc: update supported i40e driver and firmware version

[dpdk.git] / doc / guides / nics / i40e.rst

diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst
index 53bc024..0884e15 100644 (file)
--- a/doc/guides/nics/i40e.rst
+++ b/doc/guides/nics/i40e.rst
@@ -69,6 +69,10 @@ to chapter Tested Platforms/Tested NICs in release notes.
    +--------------+-----------------------+------------------+
    | DPDK version | Kernel driver version | Firmware version |
    +==============+=======================+==================+
+   |    19.08     |         2.9.21        |       7.00       |
+   +--------------+-----------------------+------------------+
+   |    19.05     |         2.7.29        |       6.80       |
+   +--------------+-----------------------+------------------+
    |    19.02     |         2.7.26        |       6.80       |
    +--------------+-----------------------+------------------+
    |    18.11     |         2.4.6         |       6.01       |
@@ -580,7 +584,7 @@ bandwidth setting.
 TC TX scheduling mode setting
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-There're 2 TX scheduling modes for TCs, round robin and strict priority mode.
+There are 2 TX scheduling modes for TCs, round robin and strict priority mode.
 If a TC is set to strict priority mode, it can consume unlimited bandwidth.
 It means if APP has set the max bandwidth for that TC, it comes to no
 effect.
@@ -704,3 +708,9 @@ See :numref:`figure_intel_perf_test_setup` for the performance test setup.
    * Start creating a stream on packet generator.
 
    * Set the Ethernet II type to 0x0800.
+
+Tx bytes affected by the link status change
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+For firmware versions prior to 6.01 for X710 series and 3.33 for X722 series, the tx_bytes statistics data is affected by
+the link down event. Each time the link status changes to down, the tx_bytes decreases 110 bytes.