xref: /third_party/lwip/0017-support-REUSEPOR-option.patch

From 670f888704c7bbb1121e63bc380ca34b83c43464 Mon Sep 17 00:00:00 2001
From: jiangheng <jiangheng12@huawei.com>
Date: Thu, 3 Mar 2022 17:06:03 +0800
Subject: [PATCH] support REUSEPOR option fix rpc msg too much
 fix recurring events 

---
 src/api/sockets.c      |  4 ++++
 src/include/lwipsock.h | 10 ++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/api/sockets.c b/src/api/sockets.c
index b032ce9..4b682f3 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -3029,6 +3029,10 @@ lwip_sockopt_to_ipopt(int optname)
     return SOF_KEEPALIVE;
   case SO_REUSEADDR:
     return SOF_REUSEADDR;
+#if USE_LIBOS
+  case SO_REUSEPORT:
+    return SO_REUSEPORT;
+#endif
   default:
     LWIP_ASSERT("Unknown socket option", 0);
     return 0;
diff --git a/src/include/lwipsock.h b/src/include/lwipsock.h
index 069cdcb..e2519ff 100644
--- a/src/include/lwipsock.h
+++ b/src/include/lwipsock.h
@@ -94,7 +94,8 @@ struct lwip_sock {
 #if USE_LIBOS
   uint32_t epoll_events; /* registered events */
   uint32_t events; /* available events */
-  int32_t in_event; /* avoid recurring events */
+  volatile bool have_event; /* avoid recurring events */
+  volatile bool have_rpc_send; /* avoid recurring rpc_send */
   epoll_data_t ep_data;
   struct weakup_poll *weakup;
   struct protocol_stack *stack;
@@ -103,8 +104,13 @@ struct lwip_sock {
   struct pbuf *send_lastdata; /* unread data in one pbuf */
   void *send_ring;
   int32_t recv_flags;
-  int32_t nextfd; /* listenfd list */
+  bool wait_close;
+  int32_t attach_fd;
+  struct lwip_sock *shadowed_sock;
+  struct list_node attach_list;
+  struct list_node listen_list;
   struct list_node recv_list;
+  int32_t nextfd; /* listenfd list */
 #endif
 };
 
-- 
1.8.3.1