!20 支持端口重用等

From: @jiangheng12 
Reviewed-by: @LemmyHuang 
Signed-off-by: @LemmyHuang

0017-support-REUSEPOR-option.patch

@@ -0,0 +1,58 @@
+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
+

lwip.spec

@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.1.3
-Release: 3
+Release: 4
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.tar.gz
@@ -25,6 +25,7 @@ Patch9012:  0013-remove-gazelle-syscall-thread.patch
 Patch9013:  0014-fix-some-compile-errors.patch
 Patch9014:  0015-fix-tcp-port-alloc-issue.patch
 Patch9015:  0016-lstack-support-mysql-mode.patch
+Patch9016:  0017-support-REUSEPOR-option.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -55,6 +56,7 @@ find %{_builddir}/%{name}-%{version} -type f -exec dos2unix -q {} \;
 %patch9013 -p1
 %patch9014 -p1
 %patch9015 -p1
+%patch9016 -p1
 
 %build
 cd %{_builddir}/%{name}-%{version}/src
@@ -70,6 +72,11 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Thu Mar 03 2022 jiangheng<jiangheng12@huawei.com> - 2.1.3-4
+- support REUSEPOR option
+- fix rpc msg too much
+- fix recrruing events
+
 * Thu Feb 24 2022 jiangheng<jiangheng12@huawei.com> - 2.1.3-3
 - remove kernel socket interface
 - support the mode that listen and accept thread be separaten