[PATCH v2] crypto/ipsec_mb: enable support for arm64

[Ashwin Sekhar T K <asekhar@marvell.com>]

Enable support for arm64 architecture in ipsec_mb. x86
specific code is conditionally compiled only for x86
architecture builds. Other architectures will be unsupported.

Signed-off-by: Ashwin Sekhar T K <asekhar@marvell.com>
---
 drivers/crypto/ipsec_mb/ipsec_mb_private.c | 7 +++++++
 drivers/crypto/ipsec_mb/ipsec_mb_private.h | 3 ++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/ipsec_mb/ipsec_mb_private.c b/drivers/crypto/ipsec_mb/ipsec_mb_private.c
index aab42c360c..b555a28a0b 100644
--- a/drivers/crypto/ipsec_mb/ipsec_mb_private.c
+++ b/drivers/crypto/ipsec_mb/ipsec_mb_private.c
@@ -53,6 +53,9 @@ ipsec_mb_create(struct rte_vdev_device *vdev,
 	const char *name, *args;
 	int retval;
 
+#if defined(RTE_ARCH_ARM64)
+	vector_mode = IPSEC_MB_ARM64;
+#elif defined(RTE_ARCH_X86_64)
 	if (vector_mode == IPSEC_MB_NOT_SUPPORTED) {
 		/* Check CPU for supported vector instruction set */
 		if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
@@ -64,6 +67,10 @@ ipsec_mb_create(struct rte_vdev_device *vdev,
 		else
 			vector_mode = IPSEC_MB_SSE;
 	}
+#else
+	/* Unsupported architecture */
+	return -ENOTSUP;
+#endif
 
 	init_params.private_data_size = sizeof(struct ipsec_mb_dev_private) +
 		pmd_data->internals_priv_size;
diff --git a/drivers/crypto/ipsec_mb/ipsec_mb_private.h b/drivers/crypto/ipsec_mb/ipsec_mb_private.h
index e2c240dfc0..d0a1bcc360 100644
--- a/drivers/crypto/ipsec_mb/ipsec_mb_private.h
+++ b/drivers/crypto/ipsec_mb/ipsec_mb_private.h
@@ -26,7 +26,8 @@ enum ipsec_mb_vector_mode {
 	IPSEC_MB_SSE,
 	IPSEC_MB_AVX,
 	IPSEC_MB_AVX2,
-	IPSEC_MB_AVX512
+	IPSEC_MB_AVX512,
+	IPSEC_MB_ARM64,
 };
 
 extern enum ipsec_mb_vector_mode vector_mode;
-- 
2.25.1