This patch adds support for DOCSIS AES-256 when using AESNI-MB

Signed-off-by: Mairtin o Loingsigh <mairtin.oloings...@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.gua...@intel.com>
---
This patch depends on these two patches:

v2: Added IPSec MB version check
v3: Added doc update
v4: Added missing patch
v5: Dropping test vector due to refactoring
v6: Fix key size
---
 doc/guides/rel_notes/release_20_05.rst         | 5 +++++
 drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/doc/guides/rel_notes/release_20_05.rst 
b/doc/guides/rel_notes/release_20_05.rst
index 6b1a7c58c..72d2f6c27 100644
--- a/doc/guides/rel_notes/release_20_05.rst
+++ b/doc/guides/rel_notes/release_20_05.rst
@@ -81,6 +81,11 @@ New Features
   by making use of the event device capabilities. The event mode currently 
supports
   only inline IPsec protocol offload.
 
+* **Updated the AESNI MB PMD.**
+
+  Updated the AESNI PMD with additional DOCSIS algorithm
+
+  * Added support for AES-256 DOCSIS
 
 Removed Items
 -------------
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c 
b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
index 845661174..434e2652b 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
@@ -314,8 +314,13 @@ static const struct rte_cryptodev_capabilities 
aesni_mb_pmd_capabilities[] = {
                                .block_size = 16,
                                .key_size = {
                                        .min = 16,
+#if IMB_VERSION_NUM >= IMB_VERSION(0, 53, 3)
+                                       .max = 32,
+                                       .increment = 16
+#else
                                        .max = 16,
                                        .increment = 0
+#endif
                                },
                                .iv_size = {
                                        .min = 16,
-- 
2.12.3

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