From e62a73e67dd996052e31d626e1e735f083790020 Mon Sep 17 00:00:00 2001
From: Max Lv <max.c.lv@gmail.com>
Date: Mon, 8 Aug 2016 09:15:29 +0800
Subject: [PATCH] Set QoS flag for UDP forwarding

---
 src/redir.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/redir.c b/src/redir.c
index 05a3671a..b5dbde34 100644
--- a/src/redir.c
+++ b/src/redir.c
@@ -147,6 +147,10 @@ int create_and_bind(const char *addr, const char *port)
             LOGI("tcp port reuse enabled");
         }
 
+        // Set QoS flag
+        int tos = 46;
+        setsockopt(remotefd, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))
+
         s = bind(listen_sock, rp->ai_addr, rp->ai_addrlen);
         if (s == 0) {
             /* We managed to bind successfully! */
@@ -643,6 +647,10 @@ static void accept_cb(EV_P_ ev_io *w, int revents)
     setsockopt(remotefd, SOL_TCP, TCP_KEEPINTVL, (void *)&keepInterval, sizeof(keepInterval));
     setsockopt(remotefd, SOL_TCP, TCP_KEEPCNT, (void *)&keepCount, sizeof(keepCount));
 
+    // Set QoS flag
+    int tos = 46;
+    setsockopt(remotefd, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))
+
     // Set non blocking
     setnonblocking(remotefd);