[v9,14/14] doc: update the doc of CPFL PMD
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From: Beilei Xing <beilei.xing@intel.com>
Update cpfl.rst to clarify hairpin support.
Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
doc/guides/nics/cpfl.rst | 7 +++++++
1 file changed, 7 insertions(+)
@@ -106,3 +106,10 @@ The paths are chosen based on 2 conditions:
A value "P" means the offload feature is not supported by vector path.
If any not supported features are used, cpfl vector PMD is disabled
and the scalar paths are chosen.
+
+Hairpin queue
+~~~~~~~~~~~~~
+
+ E2100 Series can loopback packets from RX port to TX port, this feature is
+ called port-to-port or hairpin.
+ Currently, the PMD only supports single port hairpin.