From f8989fe5aa376388a017ad33dbefc2b4763611f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beat=20K=C3=BCng?= <beat-kueng@gmx.net>
Date: Mon, 2 Nov 2020 09:21:30 +0100
Subject: [PATCH] mavlink: speed up ftp transfers on POSIX

Around 900 KB/s - not fast, but should be fast enough for the use-cases.
---
 src/modules/mavlink/mavlink_main.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp
index fbd4c07d07..a8fbf7454f 100644
--- a/src/modules/mavlink/mavlink_main.cpp
+++ b/src/modules/mavlink/mavlink_main.cpp
@@ -747,7 +747,11 @@ Mavlink::get_free_tx_buf()
 
 	// if we are using network sockets, return max length of one packet
 	if (get_protocol() == Protocol::UDP) {
+# if defined(__PX4_POSIX)
+		return  1500 * 10; // Speed up FTP transfers
+# else
 		return  1500;
+# endif /* defined(__PX4_POSIX) */
 
 	} else
 #endif // MAVLINK_UDP