net/ionic: add skeleton

[dpdk.git] / doc / guides / prog_guide / env_abstraction_layer.rst

diff --git a/doc/guides/prog_guide/env_abstraction_layer.rst b/doc/guides/prog_guide/env_abstraction_layer.rst
index cd8e300..48a2fec 100644 (file)
--- a/doc/guides/prog_guide/env_abstraction_layer.rst
+++ b/doc/guides/prog_guide/env_abstraction_layer.rst
@@ -297,7 +297,7 @@ set of API's under the ``rte_extmem_*`` namespace.
 
 These API's are (as their name implies) intended to allow registering or
 unregistering externally allocated memory to/from DPDK's internal page table, to
-allow API's like ``rte_virt2memseg`` etc. to work with externally allocated
+allow API's like ``rte_mem_virt2memseg`` etc. to work with externally allocated
 memory. Memory added this way will not be available for any regular DPDK
 allocators; DPDK will leave this memory for the user application to manage.
 
@@ -475,6 +475,9 @@ devices would fail anyway.
     ``RTE_PCI_DRV_NEED_IOVA_AS_VA`` flag is used to dictate that this PCI
     driver can only work in RTE_IOVA_VA mode.
 
+    When the KNI kernel module is detected, RTE_IOVA_PA mode is preferred as a
+    performance penalty is expected in RTE_IOVA_VA mode.
+
 IOVA Mode Configuration
 ~~~~~~~~~~~~~~~~~~~~~~~