[dpdk-dev] [PATCH] crypto/aesni_gcm: support IPsec Multi-buffer lib v0.50

[Pablo de Lara <pablo.de.lara.guarch@intel.com>]

Adds support for the v0.50 of the IPsec Multi-buffer lib.
The library now exposes its version, with the idea
of maintaining backwards compatibility in the future,
avoiding breaking the compilation of the PMD every time
there is a new version available.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
---
 doc/guides/cryptodevs/aesni_gcm.rst      | 6 +++---
 drivers/crypto/aesni_gcm/aesni_gcm_pmd.c | 5 +++++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/doc/guides/cryptodevs/aesni_gcm.rst b/doc/guides/cryptodevs/aesni_gcm.rst
index 01590e850..e0346080a 100644
--- a/doc/guides/cryptodevs/aesni_gcm.rst
+++ b/doc/guides/cryptodevs/aesni_gcm.rst
@@ -36,8 +36,8 @@ Installation
 To build DPDK with the AESNI_GCM_PMD the user is required to download the multi-buffer
 library from `here <https://github.com/01org/intel-ipsec-mb>`_
 and compile it on their user system before building DPDK.
-The latest version of the library supported by this PMD is v0.49, which
-can be downloaded in `<https://github.com/01org/intel-ipsec-mb/archive/v0.49.zip>`_.
+The latest version of the library supported by this PMD is v0.50, which
+can be downloaded in `<https://github.com/01org/intel-ipsec-mb/archive/v0.50.zip>`_.
 
 .. code-block:: console
 
@@ -57,7 +57,7 @@ and the external crypto libraries supported by them:
    16.04 - 16.11  Multi-buffer library 0.43 - 0.44
    17.02 - 17.05  ISA-L Crypto v2.18
    17.08 - 18.02  Multi-buffer library 0.46 - 0.48
-   18.05          Multi-buffer library 0.49
+   18.05+         Multi-buffer library 0.49+
    =============  ================================
 
 
diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
index d196826f0..e53891d5d 100644
--- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
+++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c
@@ -515,6 +515,11 @@ aesni_gcm_create(const char *name,
 	internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 	internals->max_nb_sessions = init_params->max_nb_sessions;
 
+#ifdef IMB_VERSION_NUM
+	AESNI_GCM_LOG(INFO, "IPSec Multi-buffer library version used: %s\n",
+			imb_get_version_str());
+#endif
+
 	return 0;
 }
 
-- 
2.14.4