[dpdk-dev] [PATCH v2] examples/ipsec-secgw: support 192/256 AES key sizes

[Anoob Joseph <anoobj@marvell.com>]

Adding support for the following,
1. AES-192-GCM
2. AES-256-GCM
3. AES-192-CBC

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
---
v2:
* Updated doc and release notes

 doc/guides/rel_notes/release_20_05.rst   |  7 +++++++
 doc/guides/sample_app_ug/ipsec_secgw.rst |  3 +++
 examples/ipsec-secgw/ipsec.h             |  2 +-
 examples/ipsec-secgw/sa.c                | 25 +++++++++++++++++++++++++
 4 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
index 1dfcfcc..c0b0625 100644
--- a/doc/guides/rel_notes/release_20_05.rst
+++ b/doc/guides/rel_notes/release_20_05.rst
@@ -70,6 +70,13 @@ New Features
   by making use of the event device capabilities. The event mode currently supports
   only inline IPsec protocol offload.
 
+* **Added 192/256 AES key sizes in ipsec-secgw application.**
+
+  Updated ipsec-secgw application to support the following key sizes,
+    - AES-192-CBC
+    - AES-192-GCM
+    - AES-256-GCM
+
 
 Removed Items
 -------------
diff --git a/doc/guides/sample_app_ug/ipsec_secgw.rst b/doc/guides/sample_app_ug/ipsec_secgw.rst
index 038f593..f5e94bf 100644
--- a/doc/guides/sample_app_ug/ipsec_secgw.rst
+++ b/doc/guides/sample_app_ug/ipsec_secgw.rst
@@ -538,6 +538,7 @@ where each options means:
 
    * *null*: NULL algorithm
    * *aes-128-cbc*: AES-CBC 128-bit algorithm
+   * *aes-192-cbc*: AES-CBC 192-bit algorithm
    * *aes-256-cbc*: AES-CBC 256-bit algorithm
    * *aes-128-ctr*: AES-CTR 128-bit algorithm
    * *3des-cbc*: 3DES-CBC 192-bit algorithm
@@ -593,6 +594,8 @@ where each options means:
  * Available options:
 
    * *aes-128-gcm*: AES-GCM 128-bit algorithm
+   * *aes-192-gcm*: AES-GCM 192-bit algorithm
+   * *aes-256-gcm*: AES-GCM 256-bit algorithm
 
  * Syntax: *cipher_algo <your algorithm>*
 
diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h
index f8f29f9..46a974e 100644
--- a/examples/ipsec-secgw/ipsec.h
+++ b/examples/ipsec-secgw/ipsec.h
@@ -72,7 +72,7 @@ struct ip_addr {
 	} ip;
 };
 
-#define MAX_KEY_SIZE		32
+#define MAX_KEY_SIZE		36
 
 /*
  * application wide SA parameters
diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index 0eb52d1..0d7d460 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -77,6 +77,13 @@ const struct supported_cipher_algo cipher_algos[] = {
 		.key_len = 16
 	},
 	{
+		.keyword = "aes-192-cbc",
+		.algo = RTE_CRYPTO_CIPHER_AES_CBC,
+		.iv_len = 16,
+		.block_size = 16,
+		.key_len = 24
+	},
+	{
 		.keyword = "aes-256-cbc",
 		.algo = RTE_CRYPTO_CIPHER_AES_CBC,
 		.iv_len = 16,
@@ -130,6 +137,24 @@ const struct supported_aead_algo aead_algos[] = {
 		.key_len = 20,
 		.digest_len = 16,
 		.aad_len = 8,
+	},
+	{
+		.keyword = "aes-192-gcm",
+		.algo = RTE_CRYPTO_AEAD_AES_GCM,
+		.iv_len = 8,
+		.block_size = 4,
+		.key_len = 28,
+		.digest_len = 16,
+		.aad_len = 8,
+	},
+	{
+		.keyword = "aes-256-gcm",
+		.algo = RTE_CRYPTO_AEAD_AES_GCM,
+		.iv_len = 8,
+		.block_size = 4,
+		.key_len = 36,
+		.digest_len = 16,
+		.aad_len = 8,
 	}
 };
 
-- 
2.7.4