From 0a58b077d732412602e41f7328a0a470358119e2 Mon Sep 17 00:00:00 2001
From: yangchen <yangchen145@huawei.com>
Date: Tue, 13 Aug 2024 11:17:48 +0800
Subject: [PATCH] fix the definition of IPV6_V6ONLY

---
 src/include/lwip/sockets.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/lwip/sockets.h b/src/include/lwip/sockets.h
index a5364c7..205a9d3 100644
--- a/src/include/lwip/sockets.h
+++ b/src/include/lwip/sockets.h
@@ -373,7 +373,7 @@ struct linger {
  * Options for level IPPROTO_IPV6
  */
 #define IPV6_CHECKSUM       7  /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */
-#define IPV6_V6ONLY         27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
+#define IPV6_V6ONLY         26 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
 #define IPV6_RECVPKTINFO    49  /* Recv IPV6_PKTINFO message */
 #define IPV6_PKTINFO        50
 #define IPV6_RECVHOPLIMIT   51  /* Recv IPV6_HOPLIMIT message */
-- 
2.33.0

