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