doc: add known issue for i40e statistics

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

diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst
index 5780268..b890613 100644 (file)
--- a/doc/guides/nics/i40e.rst
+++ b/doc/guides/nics/i40e.rst
@@ -64,6 +64,7 @@ Features of the I40E PMD are:
 - SR-IOV VF
 - Hot plug
 - IEEE1588/802.1AS timestamping
+- VF Daemon (VFD) - EXPERIMENTAL
 
 
 Prerequisites
@@ -164,13 +165,13 @@ devices managed by ``librte_pmd_i40e`` in the Linux operating system.
 
    .. code-block:: console
 
-      ./tools/dpdk-devbind.py --bind igb_uio 0000:83:00.0
+      ./usertools/dpdk-devbind.py --bind igb_uio 0000:83:00.0
 
    Or setup VFIO permissions for regular users and then bind to ``vfio-pci``:
 
    .. code-block:: console
 
-      ./tools/dpdk-devbind.py --bind vfio-pci 0000:83:00.0
+      ./usertools/dpdk-devbind.py --bind vfio-pci 0000:83:00.0
 
 #. Start ``testpmd`` with basic parameters:
 
@@ -459,3 +460,10 @@ Receive packets with Ethertype 0x88A8
 
 Due to the FW limitation, PF can receive packets with Ethertype 0x88A8
 only when floating VEB is disabled.
+
+Incorrect Rx statistics when packet is oversize
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+When a packet is over maximum frame size, the packet is dropped.
+However the Rx statistics, when calling `rte_eth_stats_get` incorrectly
+shows it as received.