From a17175c2d8bb228782918effe39b9960451009bb Mon Sep 17 00:00:00 2001
From: donghaobo <122531097@qq.com>
Date: Wed, 25 Oct 2023 10:22:18 +0800
Subject: [PATCH] ip4_select_id use rte_atomic32_add_return

---
 src/ipv4.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ipv4.c b/src/ipv4.c
index 652a351c3..21884c7a5 100644
--- a/src/ipv4.c
+++ b/src/ipv4.c
@@ -518,8 +518,8 @@ uint32_t ip4_select_id(struct rte_ipv4_hdr *iph)
             iph->next_proto_id, ip4_id_hashrnd);
 
     p_id = ip4_idents + hash % IP4_IDENTS_SZ;
-    id = htons(rte_atomic32_read(p_id));
-    rte_atomic32_add(p_id, 1);
+    id = rte_atomic32_add_return(p_id, 1) - 1;
+    id = htons(id);
 
     return id;
 }