X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp_newreno.c;h=c825e952c9b76e0077f7efa2770709c54c4c5bc3;hb=f03a59ab008908f98fd7d1b187a8c0fb78b01add;hp=c66250e41eaf33e1e558b20a4a41f37da68a8bb1;hpb=328dbc886d7acd3491cff86a7a85176e511acf35;p=vpp.git

diff --git a/src/vnet/tcp/tcp_newreno.c b/src/vnet/tcp/tcp_newreno.c
index c66250e41ea..c825e952c9b 100644
--- a/src/vnet/tcp/tcp_newreno.c
+++ b/src/vnet/tcp/tcp_newreno.c
@@ -18,7 +18,6 @@
 void
 newreno_congestion (tcp_connection_t * tc)
 {
-  tc->prev_ssthresh = tc->ssthresh;
   tc->ssthresh = clib_max (tcp_flight_size (tc) / 2, 2 * tc->snd_mss);
 }
 
@@ -47,7 +46,8 @@ newreno_rcv_cong_ack (tcp_connection_t * tc, tcp_cc_ack_t ack_type)
 {
   if (ack_type == TCP_CC_DUPACK)
     {
-      tc->cwnd += tc->snd_mss;
+      if (!tcp_opts_sack_permitted (tc))
+	tc->cwnd += tc->snd_mss;
     }
   else if (ack_type == TCP_CC_PARTIALACK)
     {