ethdev: refine debug build option

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

diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst
index 696cbd9..b82e634 100644 (file)
--- a/doc/guides/nics/ixgbe.rst
+++ b/doc/guides/nics/ixgbe.rst
@@ -89,7 +89,7 @@ be passed as part of EAL arguments. For example,
 
 .. code-block:: console
 
 
 .. code-block:: console
 

-   testpmd -a af:10.0,pflink_fullchk=1 -- -i
+   dpdk-testpmd -a af:10.0,pflink_fullchk=1 -- -i

 
 - ``pflink_fullchk`` (default **0**)
 
 
 - ``pflink_fullchk`` (default **0**)
 


@@ -257,6 +257,16 @@ RSS isn't supported when QinQ is enabled
 
 Due to FW limitation, IXGBE doesn't support RSS when QinQ is enabled currently.
 
 
 Due to FW limitation, IXGBE doesn't support RSS when QinQ is enabled currently.
 

+UDP with zero checksum is reported as error
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Intel 82599 10 Gigabit Ethernet Controller Specification Update (Revision 2.87)
+Errata: 44 Integrity Error Reported for IPv4/UDP Packets With Zero Checksum
+
+To support UDP zero checksum, the zero and bad UDP checksum packet is marked as
+PKT_RX_L4_CKSUM_UNKNOWN, so the application needs to recompute the checksum to
+validate it.
+

 Inline crypto processing support
 --------------------------------
 
 Inline crypto processing support
 --------------------------------