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From: Arek Kusztal <arkadiuszx.kusztal@intel.com>
To: dev@dpdk.org
Cc: fiona.trahe@intel.com, pablo.de.lara.guarch@intel.com,
	john.griffin@intel.com, deepak.k.jain@intel.com,
	Arek Kusztal <arkadiuszx.kusztal@intel.com>
Subject: [dpdk-dev] [PATCH] crypto/qat: fix IV zero physical address
Date: Fri, 14 Apr 2017 09:08:42 +0100	[thread overview]
Message-ID: <1492157322-25314-1-git-send-email-arkadiuszx.kusztal@intel.com> (raw)

This commit fixes zero physical address when IV not set

Fixes: 1703e94ac5ce ("qat: add driver for QuickAssist devices")

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 drivers/crypto/qat/qat_crypto.c | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c
index b9baf36..362eb9d 100644
--- a/drivers/crypto/qat/qat_crypto.c
+++ b/drivers/crypto/qat/qat_crypto.c
@@ -971,17 +971,24 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
 		}
 
 		/* copy IV into request if it fits */
-		if (op->sym->cipher.iv.length && (op->sym->cipher.iv.length <=
-				sizeof(cipher_param->u.cipher_IV_array))) {
-			rte_memcpy(cipher_param->u.cipher_IV_array,
-					op->sym->cipher.iv.data,
-					op->sym->cipher.iv.length);
-		} else {
-			ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(
-					qat_req->comn_hdr.serv_specif_flags,
-					ICP_QAT_FW_CIPH_IV_64BIT_PTR);
-			cipher_param->u.s.cipher_IV_ptr =
-					op->sym->cipher.iv.phys_addr;
+		/*
+		 * If IV length is zero do not copy anything but still
+		 * use request descriptor embedded IV
+		 *
+		 */
+		if (op->sym->cipher.iv.length) {
+			if (op->sym->cipher.iv.length <=
+					sizeof(cipher_param->u.cipher_IV_array)) {
+				rte_memcpy(cipher_param->u.cipher_IV_array,
+						op->sym->cipher.iv.data,
+						op->sym->cipher.iv.length);
+			} else {
+				ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(
+						qat_req->comn_hdr.serv_specif_flags,
+						ICP_QAT_FW_CIPH_IV_64BIT_PTR);
+				cipher_param->u.s.cipher_IV_ptr =
+						op->sym->cipher.iv.phys_addr;
+			}
 		}
 		min_ofs = cipher_ofs;
 	}
-- 
2.1.0

             reply	other threads:[~2017-04-14  8:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-14  8:08 Arek Kusztal [this message]
2017-04-18  9:40 ` Jain, Deepak K
2017-04-18 16:22   ` De Lara Guarch, Pablo

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