[PATCH] ppp: alert ipcp when lcp is down

[Kristen Carlson Accardi <kristen@linux.intel.com>]

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This cleanly shuts down the network interface
---
 gatchat/gatppp.c  |    5 +++++
 gatchat/ppp.h     |    1 +
 gatchat/ppp_lcp.c |    1 +
 3 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/gatchat/gatppp.c b/gatchat/gatppp.c
index b7834e3..4f49404 100644
--- a/gatchat/gatppp.c
+++ b/gatchat/gatppp.c
@@ -429,6 +429,11 @@ void ppp_net_down_notify(GAtPPP *ppp)
 	ppp->net = NULL;
 }
 
+void ppp_lcp_down_notify(GAtPPP *ppp)
+{
+	pppcp_signal_down(ppp->ipcp);
+}
+
 void ppp_set_recv_accm(GAtPPP *ppp, guint32 accm)
 {
 	ppp->recv_accm = accm;
diff --git a/gatchat/ppp.h b/gatchat/ppp.h
index 07483a9..e60bd23 100644
--- a/gatchat/ppp.h
+++ b/gatchat/ppp.h
@@ -117,3 +117,4 @@ void ppp_net_down_notify(GAtPPP *ppp);
 void ppp_set_recv_accm(GAtPPP *ppp, guint32 accm);
 void ppp_set_xmit_accm(GAtPPP *ppp, guint32 accm);
 void ppp_set_mtu(GAtPPP *ppp, const guint8 *data);
+void ppp_lcp_down_notify(GAtPPP *ppp);
diff --git a/gatchat/ppp_lcp.c b/gatchat/ppp_lcp.c
index 8639c6c..5a9750d 100644
--- a/gatchat/ppp_lcp.c
+++ b/gatchat/ppp_lcp.c
@@ -114,6 +114,7 @@ static void lcp_down(struct pppcp_data *pppcp)
 
 	lcp_reset_config_options(lcp);
 	pppcp_set_local_options(pppcp, lcp->options, lcp->options_len);
+	ppp_lcp_down_notify(pppcp_get_ppp(pppcp));
 	ppp_enter_phase(pppcp_get_ppp(pppcp), PPP_PHASE_TERMINATION);
 }
 
-- 
1.6.6.1