app/crypto-perf: fix out-of-place mbuf size

[ upstream commit 24515c93197091437e32f35bba3f467c01633c1d ]

If crypto device requires headroom and tailroom, the mbuf
of dst in out-of-place should reserve the headroom and
tailroom as well, otherwise there will be no enough room
for dst mbuf.

Fixes: bf9d670 ("app/crypto-perf: use single mempool")

Signed-off-by: Suanming Mou <suanmingm@nvidia.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>

app/test-crypto-perf/cperf_test_common.c

@@ -226,7 +226,8 @@ cperf_alloc_common_memory(const struct cperf_options *options,
 				(mbuf_size * segments_nb);
 		params.dst_buf_offset = *dst_buf_offset;
 		/* Destination buffer will be one segment only */
-		obj_size += max_size + sizeof(struct rte_mbuf);
+		obj_size += max_size + sizeof(struct rte_mbuf) +
+			options->headroom_sz + options->tailroom_sz;
 	}
 
 	*pool = rte_mempool_create_empty(pool_name,