From 8e9c07df39676aa7c8eac73ae033670719d63d00 Mon Sep 17 00:00:00 2001
From: Sylvain Rochet <gradator@gradator.net>
Date: Tue, 19 Jun 2012 18:02:23 +0200
Subject: [PATCH] more idle time limit macros

---
 src/netif/ppp/ppp.c      | 3 ++-
 src/netif/ppp/ppp_impl.h | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/netif/ppp/ppp.c b/src/netif/ppp/ppp.c
index a1d41d6a..c733b197 100644
--- a/src/netif/ppp/ppp.c
+++ b/src/netif/ppp/ppp.c
@@ -1989,6 +1989,7 @@ int sifvjcomp(ppp_pcb *pcb, int vjcomp, int cidcomp, int maxcid) {
   return 0;
 }
 
+#if PPP_IDLETIMELIMIT
 /********************************************************************
  *
  * get_idle_time - return how long the link has been idle.
@@ -1999,7 +2000,7 @@ int get_idle_time(ppp_pcb *pcb, struct ppp_idle *ip) {
     LWIP_UNUSED_ARG(ip);
     return 1;
 }
-
+#endif /* PPP_IDLETIMELIMIT */
 
 /********************************************************************
  *
diff --git a/src/netif/ppp/ppp_impl.h b/src/netif/ppp/ppp_impl.h
index 0a487f13..eeab0a3b 100644
--- a/src/netif/ppp/ppp_impl.h
+++ b/src/netif/ppp/ppp_impl.h
@@ -209,15 +209,16 @@ struct ppp_comp_stats {
 
 #endif /* PPP_STATS_SUPPORT */
 
+#if PPP_IDLETIMELIMIT
 /*
  * The following structure records the time in seconds since
  * the last NP packet was sent or received.
  */
-/* FIXME: add idle time support and make it optional */
 struct ppp_idle {
     time_t xmit_idle;		/* time since last NP packet sent */
     time_t recv_idle;		/* time since last NP packet received */
 };
+#endif /* PPP_IDLETIMELIMIT */
 
 /* FIXME: make endpoint discriminator optional */
 /* FIXME: moved temporarily to ppp.h */
@@ -420,7 +421,9 @@ int cifproxyarp(ppp_pcb *pcb, u_int32_t his_adr);
 
 int sifvjcomp(ppp_pcb *pcb, int vjcomp, int cidcomp, int maxcid);
 
+#if PPP_IDLETIMELIMIT
 int get_idle_time(ppp_pcb *pcb, struct ppp_idle *ip);
+#endif /* PPP_IDLETIMELIMIT */
 
 int get_loop_output(void);