X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp_output.c;h=79d64cf2da3cbe9b822a823b25fb1cd260c4cafb;hb=eb97e5f548b009ffa92efa3f778b4a7f6f40b7eb;hp=0d5feb976f865ab1e4db1f1a39147f9e6651a896;hpb=f47e9b648aaab716c62bf004fa36176dbe8b21d7;p=vpp.git

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 0d5feb976f8..79d64cf2da3 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1078,7 +1078,15 @@ tcp_send_fin (tcp_connection_t * tc)
 
   tcp_retransmit_timer_force_update (tc);
   if (PREDICT_FALSE (tcp_get_free_buffer_index (tm, &bi)))
-    return;
+    {
+      /* Out of buffers so program fin retransmit ASAP */
+      tcp_timer_update (tc, TCP_TIMER_RETRANSMIT, 1);
+      tc->flags |= TCP_CONN_FINSNT;
+      tc->snd_una_max += 1;
+      tc->snd_nxt = tc->snd_una_max;
+      return;
+    }
+
   b = vlib_get_buffer (vm, bi);
   tcp_init_buffer (vm, b);
   fin_snt = tc->flags & TCP_CONN_FINSNT;