[dpdk-dev] [PATCH v2 10/11] crypto/dpaa_sec: force inline of the keys to save space

[Hemant Agrawal]

From: Gagandeep Singh <g.si...@nxp.com>

This patch improve storage and performance by force inline
of the keys.

Signed-off-by: Franck LENORMAND <franck.lenorm...@nxp.com>
Signed-off-by: Gagandeep Singh <g.si...@nxp.com>
---
 drivers/crypto/dpaa_sec/dpaa_sec.c | 35 ++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c 
b/drivers/crypto/dpaa_sec/dpaa_sec.c
index 7d3f971f3c..74f30bc5a4 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2017-2019 NXP
+ *   Copyright 2017-2021 NXP
  *
  */
 
@@ -260,14 +260,31 @@ dpaa_sec_prep_pdcp_cdb(dpaa_sec_session *ses)
                p_authdata = &authdata;
        }
 
-       if (rta_inline_pdcp_query(authdata.algtype,
-                               cipherdata.algtype,
-                               ses->pdcp.sn_size,
-                               ses->pdcp.hfn_ovd)) {
-               cipherdata.key =
-                       (size_t)rte_dpaa_mem_vtop((void *)
-                                       (size_t)cipherdata.key);
-               cipherdata.key_type = RTA_DATA_PTR;
+       if (ses->pdcp.sdap_enabled) {
+               int nb_keys_to_inline =
+                               rta_inline_pdcp_sdap_query(authdata.algtype,
+                                       cipherdata.algtype,
+                                       ses->pdcp.sn_size,
+                                       ses->pdcp.hfn_ovd);
+               if (nb_keys_to_inline >= 1) {
+                       cipherdata.key = (size_t)rte_dpaa_mem_vtop((void *)
+                                               (size_t)cipherdata.key);
+                       cipherdata.key_type = RTA_DATA_PTR;
+               }
+               if (nb_keys_to_inline >= 2) {
+                       authdata.key = (size_t)rte_dpaa_mem_vtop((void *)
+                                               (size_t)authdata.key);
+                       authdata.key_type = RTA_DATA_PTR;
+               }
+       } else {
+               if (rta_inline_pdcp_query(authdata.algtype,
+                                       cipherdata.algtype,
+                                       ses->pdcp.sn_size,
+                                       ses->pdcp.hfn_ovd)) {
+                       cipherdata.key = (size_t)rte_dpaa_mem_vtop((void *)
+                                               (size_t)cipherdata.key);
+                       cipherdata.key_type = RTA_DATA_PTR;
+               }
        }
 
        if (ses->pdcp.domain == RTE_SECURITY_PDCP_MODE_CONTROL) {
-- 
2.17.1