app/testpmd: use better randomness for Tx split

Use rte_rand() instead of random() for better randomness.

Coverity issue: 337666
Fixes: 79bec05b32b7 ("app/testpmd: add ability to split outgoing packets")
Cc: stable@dpdk.org
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c
index 539043c..3caf281 100644 (file)
--- a/app/test-pmd/txonly.c
+++ b/app/test-pmd/txonly.c
@@ -159,7 +159,7 @@ pkt_burst_prepare(struct rte_mbuf *pkt, struct rte_mempool *mbp,
        uint8_t i;
 
        if (unlikely(tx_pkt_split == TX_PKT_SPLIT_RND))
-               nb_segs = random() % tx_pkt_nb_segs + 1;
+               nb_segs = rte_rand() % tx_pkt_nb_segs + 1;
        else
                nb_segs = tx_pkt_nb_segs;