1 files changed, 92 insertions, 0 deletions

diff --git a/eigrpd/eigrp_interface.c b/eigrpd/eigrp_interface.c
index fd1d3f5cb9..6294c0dd0f 100644
--- a/eigrpd/eigrp_interface.c
+++ b/eigrpd/eigrp_interface.c
@@ -54,6 +54,7 @@
 #include "eigrpd/eigrp_topology.h"
 #include "eigrpd/eigrp_memory.h"
 #include "eigrpd/eigrp_fsm.h"
+#include "eigrpd/eigrp_dump.h"
 
 struct eigrp_interface *eigrp_if_new(struct eigrp *eigrp, struct interface *ifp,
 				     struct prefix *p)
@@ -122,10 +123,101 @@ int eigrp_if_delete_hook(struct interface *ifp)
 	return 0;
 }
 
+static int eigrp_ifp_create(struct interface *ifp)
+{
+	struct eigrp_interface *ei = ifp->info;
+
+	if (!ei)
+		return 0;
+
+	ei->params.type = eigrp_default_iftype(ifp);
+
+	eigrp_if_update(ifp);
+
+	return 0;
+}
+
+static int eigrp_ifp_up(struct interface *ifp)
+{
+	/* Interface is already up. */
+	if (if_is_operative(ifp)) {
+		/* Temporarily keep ifp values. */
+		struct interface if_tmp;
+		memcpy(&if_tmp, ifp, sizeof(struct interface));
+
+		if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
+			zlog_debug("Zebra: Interface[%s] state update.",
+				   ifp->name);
+
+		if (if_tmp.bandwidth != ifp->bandwidth) {
+			if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
+				zlog_debug(
+					"Zebra: Interface[%s] bandwidth change %d -> %d.",
+					ifp->name, if_tmp.bandwidth,
+					ifp->bandwidth);
+
+			//          eigrp_if_recalculate_output_cost (ifp);
+		}
+
+		if (if_tmp.mtu != ifp->mtu) {
+			if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
+				zlog_debug(
+					"Zebra: Interface[%s] MTU change %u -> %u.",
+					ifp->name, if_tmp.mtu, ifp->mtu);
+
+			/* Must reset the interface (simulate down/up) when MTU
+			 * changes. */
+			eigrp_if_reset(ifp);
+		}
+		return 0;
+	}
+
+	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
+		zlog_debug("Zebra: Interface[%s] state change to up.",
+			   ifp->name);
+
+	if (ifp->info)
+		eigrp_if_up(ifp->info);
+
+	return 0;
+}
+
+static int eigrp_ifp_down(struct interface *ifp)
+{
+	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
+		zlog_debug("Zebra: Interface[%s] state change to down.",
+			   ifp->name);
+
+	if (ifp->info)
+		eigrp_if_down(ifp->info);
+
+	return 0;
+}
+
+static int eigrp_ifp_destroy(struct interface *ifp)
+{
+	if (if_is_up(ifp))
+		zlog_warn("Zebra: got delete of %s, but interface is still up",
+			  ifp->name);
+
+	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
+		zlog_debug(
+			"Zebra: interface delete %s index %d flags %llx metric %d mtu %d",
+			ifp->name, ifp->ifindex, (unsigned long long)ifp->flags,
+			ifp->metric, ifp->mtu);
+
+	if (ifp->info)
+		eigrp_if_free(ifp->info, INTERFACE_DOWN_BY_ZEBRA);
+
+	return 0;
+}
+
 struct list *eigrp_iflist;
 
 void eigrp_if_init(void)
 {
+	if_zapi_callbacks(eigrp_ifp_create, eigrp_ifp_up,
+			  eigrp_ifp_down, eigrp_ifp_destroy);
 	/* Initialize Zebra interface data structure. */
 	// hook_register_prio(if_add, 0, eigrp_if_new);
 	hook_register_prio(if_del, 0, eigrp_if_delete_hook);