bug-fix in the TCP_EVENT_RECV macro (has to call tcp_recved if pcb->recv is NULL to keep rcv_wnd correct)

2026-05-17 13:46:56 +08:00 · 2009-10-25 18:47:44 +00:00
parent 650f16b6d9
commit bcc87ef851
2 changed files with 7 additions and 1 deletions
--- a/src/include/lwip/tcp.h
+++ b/src/include/lwip/tcp.h
@@ -489,8 +489,10 @@ err_t lwip_tcp_event(void *arg, struct tcp_pcb *pcb,
      (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err)); \
    } else {                                                    \
      (ret) = ERR_OK;                                           \
-      if (p != NULL)                                            \
+      if (p != NULL) {                                          \
+        tcp_recved((pcb), ((struct pbuf*)(p))->tot_len);        \
        pbuf_free(p);                                           \
+      }                                                         \
    }                                                           \
  } while (0)