From: Florin Coras <fcoras@cisco.com>
Date: Mon, 1 Oct 2018 15:32:04 +0000 (-0700)
Subject: tcp: fix close wait timeout with no fin
X-Git-Tag: v18.10-rc1~62
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=5f5d50ee9b342964caeeee10612cd002497fb40c

tcp: fix close wait timeout with no fin

Change-Id: Icba9b0dc6dcb4b72288f966728201812d8d12144
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 30e5899577a..1c8ce34a728 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -1192,6 +1192,10 @@ tcp_timer_waitclose_handler (u32 conn_index)
 	  clib_warning ("FIN was sent and still in CLOSE WAIT. Weird!");
 	}
 
+      /* Make sure we don't try to send unsent data */
+      tcp_connection_timers_reset (tc);
+      tcp_cong_recovery_off (tc);
+      tc->snd_una_max = tc->snd_nxt = tc->snd_una;
       tcp_send_fin (tc);
       tc->state = TCP_STATE_LAST_ACK;