From d689df23fb4bf38e1abc23b06767fc26aa27c163 Mon Sep 17 00:00:00 2001
From: mattprost <matt.prost@ni.com>
Date: Wed, 31 Mar 2021 11:33:33 -0500
Subject: rfnoc: Add option to disable flow control on rx streaming

Disabling this feature will allow the USRP to send a continuous stream
of Rx data to a host machine without throttling due to lack of flow
control credits. This is unnecessary overhead on lossless transports
such as pcie or aurora.

Usage: add 'enable_fc=false' to stream_args.args

Signed-off-by: mattprost <matt.prost@ni.com>
---
 host/lib/include/uhdlib/transport/links.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'host/lib/include/uhdlib/transport')

diff --git a/host/lib/include/uhdlib/transport/links.hpp b/host/lib/include/uhdlib/transport/links.hpp
index f9d08de11..89d5774ce 100644
--- a/host/lib/include/uhdlib/transport/links.hpp
+++ b/host/lib/include/uhdlib/transport/links.hpp
@@ -20,7 +20,8 @@ using both_links_t = std::tuple<uhd::transport::send_link_if::sptr,
     uhd::transport::recv_link_if::sptr,
     size_t, // num_recv_frames
     bool, // lossy_xport
-    bool>; // packet flow control
+    bool, // packet flow control
+    bool>; // enable flow control
 
 /*!
  * Parameters for link creation.
-- 
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