From 850fc7c7103706a2124d144d7ad553bb98beaaa6 Mon Sep 17 00:00:00 2001
From: liu zhifu <liuzhifu@espressif.com>
Date: Fri, 13 Mar 2020 12:56:34 +0800
Subject: [PATCH] Decrease TCP initial retransmit time

---
 src/core/tcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/tcp.c b/src/core/tcp.c
index 5c3b944e..ae7a1214 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -1715,8 +1715,8 @@ tcp_alloc(u8_t prio)
     /* As initial send MSS, we use TCP_MSS but limit it to 536.
        The send MSS is updated when an MSS option is received. */
     pcb->mss = INITIAL_MSS;
-    pcb->rto = 3000 / TCP_SLOW_INTERVAL;
-    pcb->sv = 3000 / TCP_SLOW_INTERVAL;
+    pcb->rto = 500 / TCP_SLOW_INTERVAL;
+    pcb->sv = 500 / TCP_SLOW_INTERVAL;
     pcb->rtime = -1;
     pcb->cwnd = 1;
     pcb->tmr = tcp_ticks;