[PATCH v2] app/test-crypto-perf: fix segment size for IPsec operation

[Gagandeep Singh]

Application calculates segment size based on buffer size plus
digest size only, But if the operation mode is IPsec then
packet length can be increased up to 73 bytes due to IPsec
overhead.

In this patch, adding the IPsec overhead length in segment size
when there is no user given segment size.

Fixes: 28dde5da503e ("app/crypto-perf: support lookaside IPsec")

Signed-off-by: Gagandeep Singh <g.si...@nxp.com>
---
v2-change-log:
Update commit message with fixline.

 app/test-crypto-perf/cperf_options.h         | 1 +
 app/test-crypto-perf/cperf_options_parsing.c | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/test-crypto-perf/cperf_options.h 
b/app/test-crypto-perf/cperf_options.h
index 031b238b20..cdbc027b89 100644
--- a/app/test-crypto-perf/cperf_options.h
+++ b/app/test-crypto-perf/cperf_options.h
@@ -61,6 +61,7 @@
 #define CPERF_PMDCC_DELAY_MS   ("pmd-cyclecount-delay-ms")
 
 #define MAX_LIST 32
+#define CPERF_IPSEC_OVERHEAD 73
 
 enum cperf_perf_test_type {
        CPERF_TEST_TYPE_THROUGHPUT,
diff --git a/app/test-crypto-perf/cperf_options_parsing.c 
b/app/test-crypto-perf/cperf_options_parsing.c
index c244f81bbf..268f544936 100644
--- a/app/test-crypto-perf/cperf_options_parsing.c
+++ b/app/test-crypto-perf/cperf_options_parsing.c
@@ -1132,9 +1132,12 @@ cperf_options_check(struct cperf_options *options)
         * If segment size is not set, assume only one segment,
         * big enough to contain the largest buffer and the digest
         */
-       if (options->segment_sz == 0)
+       if (options->segment_sz == 0) {
                options->segment_sz = options->max_buffer_size +
                                options->digest_sz;
+               if (options->op_type == CPERF_IPSEC)
+                       options->segment_sz += CPERF_IPSEC_OVERHEAD;
+       }
 
        if (options->segment_sz < options->digest_sz) {
                RTE_LOG(ERR, USER1,
-- 
2.25.1