fixbug for baidu tcp recv trim wnd assert

2026-09-05 00:30:08 +00:00 · 2020-09-08 21:03:23 +08:00
parent 57ff437af3
commit 327c8a82f3
1 changed files with 5 additions and 0 deletions
@@ -1681,6 +1681,11 @@ tcp_receive(struct tcp_pcb *pcb)
                    }
                    /* Adjust length of segment to fit in the window. */
                    next->next->len = (u16_t)(pcb->rcv_nxt + pcb->rcv_wnd - seqno);
+#if ESP_LWIP
+                    if (TCPH_FLAGS(next->next->tcphdr) & TCP_SYN) {
+                      next->next->len -= 1;
+                    }
+#endif
                    pbuf_realloc(next->next->p, next->next->len);
                    tcplen = TCP_TCPLEN(next->next);
 #if ESP_LWIP