tcp: improve rcv process ack processing

- Avoid doing cc in closing states.
- Rest connections closed with unread data

Change-Id: I97d46b0459f03ea5439eeb0f233b6c17d3e06dfd
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index abab086..d83ecfb 100644
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -49,7 +49,7 @@
 
 #define TRANSPORT_PACER_MIN_MSS 	1460
 #define TRANSPORT_PACER_MIN_BURST 	TRANSPORT_PACER_MIN_MSS
-#define TRANSPORT_PACER_MAX_BURST	(48 * TRANSPORT_PACER_MIN_MSS)
+#define TRANSPORT_PACER_MAX_BURST	(32 * TRANSPORT_PACER_MIN_MSS)
 
 u8 *
 format_transport_proto (u8 * s, va_list * args)