tcp: fix window probes in fin-wait-1

[vpp.git] / src / vnet / tcp / tcp_input.c

diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index b7838e2..c03c5db 100644 (file)
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -349,7 +349,7 @@ tcp_segment_validate (tcp_worker_ctx_t * wrk, tcp_connection_t * tc0,
 
       /* If our window is 0 and the packet is in sequence, let it pass
        * through for ack processing. It should be dropped later. */
-      if (tc0->rcv_wnd == 0
+      if (tc0->rcv_wnd < tc0->snd_mss
          && tc0->rcv_nxt == vnet_buffer (b0)->tcp.seq_number)
        goto check_reset;