diff --git a/0115-udp-muticast-loop.patch b/0115-udp-muticast-loop.patch
new file mode 100644
index 0000000000000000000000000000000000000000..daf8a2e03ba11e738755a0a83849b92dbea5e0b0
--- /dev/null
+++ b/0115-udp-muticast-loop.patch
@@ -0,0 +1,96 @@
+From 74d87ad663f013e792a9ea5d004eae139cd2e0a0 Mon Sep 17 00:00:00 2001
+From: compile_success <980965867@qq.com>
+Date: Sat, 9 Mar 2024 06:45:25 +0000
+Subject: [PATCH] support loop mode
+
+---
+ src/api/netbuf.c         |  3 +++
+ src/core/netif.c         | 14 +++++++++++---
+ src/include/lwip/netif.h |  4 ++++
+ 3 files changed, 18 insertions(+), 3 deletions(-)
+
+diff --git a/src/api/netbuf.c b/src/api/netbuf.c
+index 3b910de..385dfcb 100644
+--- a/src/api/netbuf.c
++++ b/src/api/netbuf.c
+@@ -128,6 +128,9 @@ netbuf_free(struct netbuf *buf)
+ {
+   LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;);
+   if (buf->p != NULL) {
++    if((buf->p->flags & PBUF_FLAG_MCASTLOOP) != 0) {
++        return;
++    }
+     pbuf_free(buf->p);
+   }
+   buf->p = buf->ptr = NULL;
+diff --git a/src/core/netif.c b/src/core/netif.c
+index 8302bd5..79f2317 100644
+--- a/src/core/netif.c
++++ b/src/core/netif.c
+@@ -1117,6 +1117,10 @@ netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callb
+  */
+ err_t
+ netif_loop_output(struct netif *netif, struct pbuf *p)
++#else
++err_t
++udp_netif_loop_output(struct netif *netif, struct pbuf *p)
++#endif
+ {
+   struct pbuf *r;
+   err_t err;
+@@ -1171,7 +1175,9 @@ netif_loop_output(struct netif *netif, struct pbuf *p)
+     MIB2_STATS_NETIF_INC(stats_if, ifoutdiscards);
+     return err;
+   }
+-
++#if GAZELLE_ENABLE
++  r->flags |= PBUF_FLAG_MCASTLOOP;
++#endif
+   /* Put the packet on a linked list which gets emptied through calling
+      netif_poll(). */
+ 
+@@ -1218,7 +1224,6 @@ netif_loop_output(struct netif *netif, struct pbuf *p)
+ 
+   return ERR_OK;
+ }
+-#endif
+ 
+ #if LWIP_HAVE_LOOPIF
+ #if LWIP_IPV4
+@@ -1249,6 +1254,10 @@ netif_loop_output_ipv6(struct netif *netif, struct pbuf *p, const ip6_addr_t *ad
+  */
+ void
+ netif_poll(struct netif *netif)
++#else
++void
++udp_netif_poll(struct netif *netif)
++#endif
+ {
+   /* If we have a loopif, SNMP counters are adjusted for it,
+    * if not they are adjusted for 'netif'. */
+@@ -1312,7 +1321,6 @@ netif_poll(struct netif *netif)
+   }
+   SYS_ARCH_UNPROTECT(lev);
+ }
+-#endif
+ 
+ #if !LWIP_NETIF_LOOPBACK_MULTITHREADING
+ /**
+diff --git a/src/include/lwip/netif.h b/src/include/lwip/netif.h
+index d10d4e8..d8f1f45 100644
+--- a/src/include/lwip/netif.h
++++ b/src/include/lwip/netif.h
+@@ -538,6 +538,10 @@ void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_
+ #if ENABLE_LOOPBACK
+ err_t netif_loop_output(struct netif *netif, struct pbuf *p);
+ void netif_poll(struct netif *netif);
++#if GAZELLE_ENABLE
++err_t udp_netif_loop_output(struct netif *netif, struct pbuf *p);
++void udp_netif_poll(struct netif *netif);
++#endif
+ #if !LWIP_NETIF_LOOPBACK_MULTITHREADING
+ void netif_poll_all(void);
+ #endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
+-- 
+2.33.0
+
diff --git a/lwip.spec b/lwip.spec
index 6707b2deb4a6a098ea9d7f02105a963e44108e61..a80be1a1cc4cb04984160db4d508ad8903358e18 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.2.0
-Release: 7
+Release: 8
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -126,6 +126,7 @@ Patch9110:  0111-support-udp-pkglen-mtu-modify-IP_REASS_MAX_PBUFS.patch
 Patch9111:  0112-support-udp-pkglen-mtu-modify-netbuf_alloc-size.patch
 Patch9112:  0113-fix-duplicate-pbuf_free-in-udp_sendto.patch
 Patch9113:  0114-sync-recv-flags-with-linux-kernel.patch
+Patch9114:  0115-udp-muticast-loop.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -155,6 +156,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Tue Mar 12 2024 zhujunhao <zhujunhao11@huawei.com> - 2.2.0-8
+- support udp muticast loop
+
 * Mon Mar 11 2024 liyunqing <liyunqing@kylinos.cn> - 2.2.0-7
 - sync macros with kernel defined which use in recv and send