[dpdk-dev] [PATCH v4 03/12] cryptodev: support security APIs

[Akhil Goyal <akhil.goyal@nxp.com>]

Security ops are added to crypto device to support
protocol offloaded security operations.

Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
 doc/guides/cryptodevs/features/default.ini     |  1 +
 lib/librte_cryptodev/rte_crypto.h              |  3 ++-
 lib/librte_cryptodev/rte_crypto_sym.h          |  2 ++
 lib/librte_cryptodev/rte_cryptodev.c           | 10 ++++++++++
 lib/librte_cryptodev/rte_cryptodev.h           |  7 +++++++
 lib/librte_cryptodev/rte_cryptodev_version.map |  1 +
 6 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/doc/guides/cryptodevs/features/default.ini b/doc/guides/cryptodevs/features/default.ini
index c98717a..18d66cb 100644
--- a/doc/guides/cryptodevs/features/default.ini
+++ b/doc/guides/cryptodevs/features/default.ini
@@ -10,6 +10,7 @@ Symmetric crypto       =
 Asymmetric crypto      =
 Sym operation chaining =
 HW Accelerated         =
+Protocol offload       =
 CPU SSE                =
 CPU AVX                =
 CPU AVX2               =
diff --git a/lib/librte_cryptodev/rte_crypto.h b/lib/librte_cryptodev/rte_crypto.h
index 10fe080..3eb9ef9 100644
--- a/lib/librte_cryptodev/rte_crypto.h
+++ b/lib/librte_cryptodev/rte_crypto.h
@@ -86,7 +86,8 @@ enum rte_crypto_op_status {
  */
 enum rte_crypto_op_sess_type {
 	RTE_CRYPTO_OP_WITH_SESSION,	/**< Session based crypto operation */
-	RTE_CRYPTO_OP_SESSIONLESS	/**< Session-less crypto operation */
+	RTE_CRYPTO_OP_SESSIONLESS,	/**< Session-less crypto operation */
+	RTE_CRYPTO_OP_SECURITY_SESSION	/**< Security session crypto operation */
 };
 
 /**
diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h
index 0a0ea59..5992063 100644
--- a/lib/librte_cryptodev/rte_crypto_sym.h
+++ b/lib/librte_cryptodev/rte_crypto_sym.h
@@ -508,6 +508,8 @@ struct rte_crypto_sym_op {
 		/**< Handle for the initialised session context */
 		struct rte_crypto_sym_xform *xform;
 		/**< Session-less API crypto operation parameters */
+		struct rte_security_session *sec_session;
+		/**< Handle for the initialised security session context */
 	};
 
 	RTE_STD_C11
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index e48d562..5a2495b 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -488,6 +488,16 @@ rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 	return count;
 }
 
+void *
+rte_cryptodev_get_sec_ctx(uint8_t dev_id)
+{
+	if (rte_crypto_devices[dev_id].feature_flags &
+			RTE_CRYPTODEV_FF_SECURITY)
+		return rte_crypto_devices[dev_id].data->security_ctx;
+
+	return NULL;
+}
+
 int
 rte_cryptodev_socket_id(uint8_t dev_id)
 {
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index fd0e3f1..546454b 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -351,6 +351,8 @@ rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 /**< Utilises CPU NEON instructions */
 #define	RTE_CRYPTODEV_FF_CPU_ARM_CE		(1ULL << 11)
 /**< Utilises ARM CPU Cryptographic Extensions */
+#define	RTE_CRYPTODEV_FF_SECURITY		(1ULL << 12)
+/**< Support Security Protocol Processing */
 
 
 /**
@@ -774,6 +776,9 @@ struct rte_cryptodev {
 	/**< Flag indicating the device is attached */
 } __rte_cache_aligned;
 
+void *
+rte_cryptodev_get_sec_ctx(uint8_t dev_id);
+
 /**
  *
  * The data part, with no function pointers, associated with each device.
@@ -802,6 +807,8 @@ struct rte_cryptodev_data {
 
 	void *dev_private;
 	/**< PMD-specific private data */
+	void *security_ctx;
+	/**< Context for security ops */
 } __rte_cache_aligned;
 
 extern struct rte_cryptodev *rte_cryptodevs;
diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
index 919b6cc..7ef1b0f 100644
--- a/lib/librte_cryptodev/rte_cryptodev_version.map
+++ b/lib/librte_cryptodev/rte_cryptodev_version.map
@@ -84,5 +84,6 @@ DPDK_17.11 {
 	global:
 
 	rte_cryptodev_name_get;
+	rte_cryptodev_get_sec_ctx;
 
 } DPDK_17.08;
-- 
2.9.3