From 93b3dc5617cd0f8ad251e42209360d4104513fbf Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@transmissionbt.com>
Date: Sun, 16 Nov 2008 21:16:14 +0000
Subject: [PATCH] increase the socket's SNDBUF size

---
 libtransmission/net.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libtransmission/net.c b/libtransmission/net.c
index ce6ca95ba..5bfbe5efa 100644
--- a/libtransmission/net.c
+++ b/libtransmission/net.c
@@ -119,7 +119,14 @@ makeSocketNonBlocking( int fd )
 static int
 createSocket( int type )
 {
-    return makeSocketNonBlocking( tr_fdSocketCreate( type ) );
+    const int fd = makeSocketNonBlocking( tr_fdSocketCreate( type ) );
+
+    if( fd >= 0 ) {
+        const int buffsize = 1500*3; /* 3x MTU for most ethernet/wireless */
+        setsockopt( fd, SOL_SOCKET, SO_SNDBUF, &buffsize, sizeof( buffsize ) );
+    }
+
+    return fd;
 }
 
 int