!809 [sync] PR-778: fix receive fin packet process error

From: @openeuler-sync-bot 
Reviewed-by: @jiangheng12 
Signed-off-by: @jiangheng12

0108-fix-receive-fin-packet-process-error.patch

@@ -0,0 +1,59 @@
+From 7dbceaeab7f85df6a58b77858c507fa9087d5ba7 Mon Sep 17 00:00:00 2001
+From: jiangheng <jiangheng14@huawei.com>
+Date: Mon, 22 Jan 2024 20:38:57 +0800
+Subject: [PATCH] fix receive fin packet process error
+
+---
+ src/core/tcp_in.c      | 9 ---------
+ src/include/lwipsock.h | 1 +
+ 2 files changed, 1 insertion(+), 9 deletions(-)
+
+diff --git a/src/core/tcp_in.c b/src/core/tcp_in.c
+index 9d5a695..84d22ca 100644
+--- a/src/core/tcp_in.c
++++ b/src/core/tcp_in.c
+@@ -1142,9 +1142,6 @@ tcp_process(struct tcp_pcb *pcb)
+           if (recv_flags & TF_GOT_FIN) {
+             tcp_ack_now(pcb);
+             pcb->state = CLOSE_WAIT;
+-#if GAZELLE_ENABLE
+-            API_EVENT(((struct netconn *)pcb->callback_arg), NETCONN_EVT_ERROR, 0);
+-#endif
+           }
+         } else {
+           /* incorrect ACK number, send RST */
+@@ -1163,9 +1160,6 @@ tcp_process(struct tcp_pcb *pcb)
+       if (recv_flags & TF_GOT_FIN) { /* passive close */
+         tcp_ack_now(pcb);
+         pcb->state = CLOSE_WAIT;
+-#if GAZELLE_ENABLE
+-        API_EVENT(((struct netconn *)pcb->callback_arg), NETCONN_EVT_ERROR, 0);
+-#endif
+       }
+       break;
+     case FIN_WAIT_1:
+@@ -1820,9 +1814,6 @@ tcp_receive(struct tcp_pcb *pcb)
+             recv_flags |= TF_GOT_FIN;
+             if (pcb->state == ESTABLISHED) { /* force passive close or we can move to active close */
+               pcb->state = CLOSE_WAIT;
+-#if GAZELLE_ENABLE
+-              API_EVENT(((struct netconn *)pcb->callback_arg), NETCONN_EVT_ERROR, 0);
+-#endif
+             }
+           }
+ 
+diff --git a/src/include/lwipsock.h b/src/include/lwipsock.h
+index ccc8c43..f4cb1de 100644
+--- a/src/include/lwipsock.h
++++ b/src/include/lwipsock.h
+@@ -120,7 +120,6 @@ struct lwip_sock {
+   char pad2 __rte_cache_aligned;
+   /* stack thread all use */
+   struct list_node recv_list;
+-  struct pbuf *send_lastdata;
+   struct pbuf *send_pre_del;
+   sem_t snd_ring_sem;
+ 
+-- 
+2.33.0
+

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: 113
+Release: 114
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -124,6 +124,7 @@ Patch9103:  0104-optimize-enqueue-for-unacked-and-unsent-queue.patch
 Patch9104:  0105-delete-redundant-logs-in-lwip.patch
 Patch9105:  0106-remove-unnecessary-variables-in-struct-pbuf.patch
 Patch9106:  0107-fix-move-lpcb-to-the-front-of-list-error.patch
+Patch9107:  0108-fix-receive-fin-packet-process-error.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -153,6 +154,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Tue Jan 30 2024 jiangheng <jiangheng14@huawei.com> - 2.1.3-114
+- fix receive fin packet process error
+
 * Tue Jan 30 2024 jiangheng <jiangheng14@huawei.com> - 2.1.3-113
 - fix move lpcb to the front of list error