From f6582fd229de900a6976cf01d05f85cb2b3120e9 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Mon, 13 Feb 2012 21:38:48 +0100
Subject: [PATCH] Correctly calculate the default value of MEMP_NUM_SYS_TIMEOUT
 as needed

---
 src/include/lwip/opt.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/include/lwip/opt.h b/src/include/lwip/opt.h
index 9d8c86d6..e51f8e55 100644
--- a/src/include/lwip/opt.h
+++ b/src/include/lwip/opt.h
@@ -309,9 +309,11 @@
 /**
  * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
  * (requires NO_SYS==0)
+ * The default number of timeouts is calculated here for all enabled modules.
+ * The formula expects settings to be either '0' or '1'.
  */
 #ifndef MEMP_NUM_SYS_TIMEOUT
-#define MEMP_NUM_SYS_TIMEOUT            3
+#define MEMP_NUM_SYS_TIMEOUT            (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT + (LWIP_IPV6 ? (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD) : 0))
 #endif
 
 /**