1 files changed, 114 insertions, 0 deletions
diff --git a/zebra/zebra_ptm_redistribute.c b/zebra/zebra_ptm_redistribute.c
new file mode 100644
index 0000000..537d69f
--- /dev/null
+++ b/zebra/zebra_ptm_redistribute.c
@@ -0,0 +1,114 @@
+/**
+ * @copyright Copyright (C) 2015 Cumulus Networks, Inc.
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+#include "prefix.h"
+#include "vty.h"
+#include "stream.h"
+#include "zebra/zebra_router.h"
+#include "zebra/zapi_msg.h"
+#include "zebra/zebra_ptm.h"
+#include "zebra/zebra_ptm_redistribute.h"
+
+static int zsend_interface_bfd_update(int cmd, struct zserv *client,
+				      struct interface *ifp, struct prefix *dp,
+				      struct prefix *sp, int status,
+				      vrf_id_t vrf_id)
+{
+	int blen;
+	struct stream *s;
+
+	s = stream_new(ZEBRA_MAX_PACKET_SIZ);
+
+	zclient_create_header(s, cmd, vrf_id);
+	if (ifp)
+		stream_putl(s, ifp->ifindex);
+	else
+		stream_putl(s, 0);
+
+	/* BFD destination prefix information. */
+	stream_putc(s, dp->family);
+	blen = prefix_blen(dp);
+	stream_put(s, &dp->u.prefix, blen);
+	stream_putc(s, dp->prefixlen);
+
+	/* BFD status */
+	stream_putl(s, status);
+
+	/* BFD source prefix information. */
+	stream_putc(s, sp->family);
+	blen = prefix_blen(sp);
+	stream_put(s, &sp->u.prefix, blen);
+	stream_putc(s, sp->prefixlen);
+
+	/* c-bit bullshit */
+	stream_putc(s, 0);
+
+	/* Write packet size. */
+	stream_putw_at(s, 0, stream_get_endp(s));
+
+	client->if_bfd_cnt++;
+	return zserv_send_message(client, s);
+}
+
+void zebra_interface_bfd_update(struct interface *ifp, struct prefix *dp,
+				struct prefix *sp, int status, vrf_id_t vrf_id)
+{
+	struct listnode *node, *nnode;
+	struct zserv *client;
+
+	for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) {
+		if (!IS_BFD_ENABLED_PROTOCOL(client->proto))
+			continue;
+
+		/* Notify to the protocol daemons. */
+		zsend_interface_bfd_update(ZEBRA_INTERFACE_BFD_DEST_UPDATE,
+					   client, ifp, dp, sp, status, vrf_id);
+	}
+}
+
+static int zsend_bfd_peer_replay(int cmd, struct zserv *client)
+{
+	struct stream *s;
+
+	s = stream_new(ZEBRA_MAX_PACKET_SIZ);
+
+	zclient_create_header(s, cmd, VRF_DEFAULT);
+
+	/* Write packet size. */
+	stream_putw_at(s, 0, stream_get_endp(s));
+
+	client->bfd_peer_replay_cnt++;
+	return zserv_send_message(client, s);
+}
+
+void zebra_bfd_peer_replay_req(void)
+{
+	struct listnode *node, *nnode;
+	struct zserv *client;
+
+	for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) {
+		if (!IS_BFD_ENABLED_PROTOCOL(client->proto))
+			continue;
+
+		/* Notify to the protocol daemons. */
+		zsend_bfd_peer_replay(ZEBRA_BFD_DEST_REPLAY, client);
+	}
+}