From: Florin Coras <fcoras@cisco.com>
Date: Tue, 8 Oct 2019 00:19:09 +0000 (-0700)
Subject: tcp: rate sample for persist segments
X-Git-Tag: v20.05-rc0~680
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=dd60b1b128d8d6c07dc8b8bcbf932b808cedbaab;p=vpp.git

tcp: rate sample for persist segments

Type: fix

Change-Id: I7c38d2ad6364f098529f51c15b533eb234b82716
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 069b823ee36..32c88e3f82a 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1703,6 +1703,12 @@ tcp_timer_persist_handler (u32 index)
 			   || tc->snd_nxt == tc->snd_una_max
 			   || tc->rto_boff > 1));
 
+  if (tc->flags & TCP_CONN_RATE_SAMPLE)
+    {
+      tcp_bt_check_app_limited (tc);
+      tcp_bt_track_tx (tc);
+    }
+
   tcp_push_hdr_i (tc, b, tc->snd_nxt, /* compute opts */ 0,
 		  /* burst */ 0, /* update_snd_nxt */ 1);
   tc->snd_una_max = seq_max (tc->snd_nxt, tc->snd_una_max);