From d3d6f7fa6e755992fd4b75b56681b5e14aa8ba14 Mon Sep 17 00:00:00 2001
From: jiangheng12 <jiangheng14@huawei.com>
Date: Fri, 10 Mar 2023 19:32:48 +0800
Subject: [PATCH] reduce cpu usage when send

---
 src/include/lwipsock.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/include/lwipsock.h b/src/include/lwipsock.h
index f78c9cf..810e98f 100644
--- a/src/include/lwipsock.h
+++ b/src/include/lwipsock.h
@@ -33,6 +33,7 @@
 #ifndef __LWIPSOCK_H__
 #define __LWIPSOCK_H__
 
+#include <semaphore.h>
 #include "lwip/opt.h"
 #include "lwip/api.h"
 
@@ -110,6 +111,7 @@ struct lwip_sock {
   struct list_node send_list;
   struct pbuf *send_lastdata;
   struct pbuf *send_pre_del;
+  sem_t snd_ring_sem;
 
   char pad3 __rte_cache_aligned;
   /* nerver change */
-- 
2.23.0