[dpdk-dev] [dpdk-dev v2] test/crypto: copy offset data to oop dst buffer

[Kai Ji <kai.ji@intel.com>]

Copy over the offset data required for auth in out-of-place op
when auth offset and cipher offset are not aligned.

Fixes: e847fc512817 ("test/crypto: add encrypted digest case for AES-CTR-CMAC")
Cc: adamx.dybkowski@intel.com

Signed-off-by: Kai Ji <kai.ji@intel.com>
---
v2:
   - rebase to head of for-main branch

app/test/test_cryptodev.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c
index a677a21e36..2bd4ff96cb 100644
--- a/app/test/test_cryptodev.c
+++ b/app/test/test_cryptodev.c
@@ -2629,6 +2629,21 @@ create_wireless_algo_auth_cipher_operation(
 	iv_ptr += cipher_iv_len;
 	rte_memcpy(iv_ptr, auth_iv, auth_iv_len);
 
+	/* Only copy over the offset data needed from src to dst in OOP,
+	 * if the auth and cipher offsets are not aligned
+	 */
+	if (op_mode == OUT_OF_PLACE) {
+		if (cipher_offset > auth_offset)
+			rte_memcpy(
+				rte_pktmbuf_mtod_offset(
+					sym_op->m_dst,
+					uint8_t *, auth_offset >> 3),
+				rte_pktmbuf_mtod_offset(
+					sym_op->m_src,
+					uint8_t *, auth_offset >> 3),
+				((cipher_offset >> 3) - (auth_offset >> 3)));
+	}
+
 	if (cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 		cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 		cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
-- 
2.17.1

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