From 3dbcad7caf84020d00ceb6db4865a28ea63b881a Mon Sep 17 00:00:00 2001
From: zcj <zcjie0802@qq.com>
Date: Fri, 13 Dec 2024 02:20:56 +0800
Subject: [PATCH] set the IP-type flag for tx_csum_l4 offload

---
 lib/ff_dpdk_if.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/ff_dpdk_if.c b/lib/ff_dpdk_if.c
index e01ee1b75..425db13c3 100644
--- a/lib/ff_dpdk_if.c
+++ b/lib/ff_dpdk_if.c
@@ -1944,6 +1944,12 @@ ff_dpdk_if_send(struct ff_dpdk_if_context *ctx, void *m,
         iph = (struct rte_ipv4_hdr *)(data + RTE_ETHER_HDR_LEN);
         iph_len = (iph->version_ihl & 0x0f) << 2;
 
+        if (iph->version == 4) {
+            head->ol_flags |= RTE_MBUF_F_TX_IPV4;
+        } else {
+            head->ol_flags |= RTE_MBUF_F_TX_IPV6;
+        }
+
         if (offload.tcp_csum) {
             head->ol_flags |= RTE_MBUF_F_TX_TCP_CKSUM;
             head->l2_len = RTE_ETHER_HDR_LEN;