From: Florin Coras <fcoras@cisco.com>
Date: Thu, 8 Aug 2019 16:44:47 +0000 (-0700)
Subject: tcp: fix zero rwnd sent check
X-Git-Tag: v19.08-rc2~17
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F58%2F21158%2F2;p=vpp.git

tcp: fix zero rwnd sent check

Type:fix

Change-Id: I1e6f2cb28c1bf544cc3d060b11c8935f9edb0eed
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit d1ba3d257788f1a65016a50a53d85f2b905874bb)
---

diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index a340d2f0696..ae50947b797 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -454,7 +454,7 @@ tcp_cong_recovery_off (tcp_connection_t * tc)
   tcp_fastrecovery_first_off (tc);
 }
 
-#define tcp_zero_rwnd_sent(tc) (tc)->flags &= TCP_CONN_ZERO_RWND_SENT
+#define tcp_zero_rwnd_sent(tc) ((tc)->flags & TCP_CONN_ZERO_RWND_SENT)
 #define tcp_zero_rwnd_sent_on(tc) (tc)->flags |= TCP_CONN_ZERO_RWND_SENT
 #define tcp_zero_rwnd_sent_off(tc) (tc)->flags &= ~TCP_CONN_ZERO_RWND_SENT