doc: how to build KASUMI as shared library

Libsso KASUMI library has to be built with specific
parameters to make the KASUMI PMD be built as
a shared library, so a note has been added in
its documentation.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

diff --git a/doc/guides/cryptodevs/kasumi.rst b/doc/guides/cryptodevs/kasumi.rst
index c122f00..90d8e7b 100644 (file)
--- a/doc/guides/cryptodevs/kasumi.rst
+++ b/doc/guides/cryptodevs/kasumi.rst
@@ -68,7 +68,13 @@ and click on "Kasumi Bit Stream crypto library" link, to download the library.
 After downloading the library, the user needs to unpack and compile it
 on their system before building DPDK::
 
-   make kasumi
+   make
+
+**Note**: To build the PMD as a shared library, the libsso_kasumi
+library must be built as follows::
+
+  make KASUMI_CFLAGS=-DKASUMI_C
+
 
 Initialization
 --------------