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* [dpdk-stable] [PATCH] crypto/qat: fix NULL authentication request
@ 2021-05-13 11:10 Adam Dybkowski
  0 siblings, 0 replies; only message in thread
From: Adam Dybkowski @ 2021-05-13 11:10 UTC (permalink / raw)
  To: stable, roy.fan.zhang, bernard.iremonger; +Cc: Adam Dybkowski

This patch fixes the NULL auth generation case where the request
shouldn't contain the authentication result address. Allows to run
ipsec_autotest with a QAT device.

Fixes: 65beb9abca6d ("crypto/qat: fix null auth when using VFIO")
Cc: stable@dpdk.org

Signed-off-by: Adam Dybkowski <adamx.dybkowski@intel.com>
---
 drivers/crypto/qat/qat_sym.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/qat/qat_sym.c b/drivers/crypto/qat/qat_sym.c
index a1f5676c04..9415ec7d32 100644
--- a/drivers/crypto/qat/qat_sym.c
+++ b/drivers/crypto/qat/qat_sym.c
@@ -399,8 +399,10 @@ qat_sym_build_request(void *in_op, uint8_t *out_msg,
 		}
 		min_ofs = auth_ofs;
 
-		auth_param->auth_res_addr =
-			op->sym->auth.digest.phys_addr;
+		if (ctx->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_NULL ||
+				ctx->auth_op == ICP_QAT_HW_AUTH_VERIFY)
+			auth_param->auth_res_addr =
+					op->sym->auth.digest.phys_addr;
 
 	}
 
-- 
2.25.1


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