[dpdk-dev] [PATCH] crypto/qat: fix IV zero physical address
Arek Kusztal
arkadiuszx.kusztal at intel.com
Fri Apr 14 10:08:42 CEST 2017
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 at 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
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