path: root/doc/guides/nics/enic.rst
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authorHyong Youb Kim <>2018-03-07 18:47:00 -0800
committerFerruh Yigit <>2018-03-30 14:08:43 +0200
commit368aaa7dbf68f01696299d054de84064d3999d7a (patch)
treecc72424a360d8cf510708162f744b02efc86b978 /doc/guides/nics/enic.rst
parent0f872d31295df39cedf9edfe134f48f3fdcefcbf (diff)
doc: describe Rx bytes counter behavior for enic
Signed-off-by: Hyong Youb Kim <> Reviewed-by: John Daley <>
Diffstat (limited to 'doc/guides/nics/enic.rst')
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/guides/nics/enic.rst b/doc/guides/nics/enic.rst
index 7e19cf8..0bc5593 100644
--- a/doc/guides/nics/enic.rst
+++ b/doc/guides/nics/enic.rst
@@ -310,6 +310,14 @@ Limitations
were added. Since there currently is no grouping or priority support,
'catch-all' filters should be added last.
+- **Statistics**
+ - ``rx_good_bytes`` (ibytes) always includes VLAN header (4B) and CRC bytes (4B).
+ - When the NIC drops a packet because the Rx queue has no free buffers,
+ ``rx_good_bytes`` still increments by 4B if the packet is not VLAN tagged or
+ VLAN stripping is disabled, or by 8B if the packet is VLAN tagged and stripping
+ is enabled.
How to build the suite