From 691f191a1ea1a8d655976c9f7b9fdfe7b4b36a41 Mon Sep 17 00:00:00 2001
From: Alex Williams <alex.williams@ni.com>
Date: Thu, 12 Dec 2019 10:29:11 -0800
Subject: transport,usrp: Make available packet-based flow control

DPDK provides a fixed number of fixed-size buffers for the receive
window, so it needs packet-based flow control to avoid dropping
packets. This change enables counting by packets.

Co-authored-by: Ciro Nishiguchi <ciro.nishiguchi@ni.com>
---
 host/lib/include/uhdlib/transport/links.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'host/lib/include')

diff --git a/host/lib/include/uhdlib/transport/links.hpp b/host/lib/include/uhdlib/transport/links.hpp
index 09872b145..6fe51dbbd 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,
     size_t, // num_send_frames
     uhd::transport::recv_link_if::sptr,
     size_t, // num_recv_frames
-    bool>;  // lossy_xport
+    bool, // lossy_xport
+    bool>; // packet flow control
 
 /*!
  * Parameters for link creation.
@@ -39,4 +40,3 @@ struct link_params_t
 }} // namespace uhd::transport
 
 #endif /* INCLUDED_UHDLIB_TRANSPORT_LINKS_HPP */
-
-- 
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