1 files changed, 100 insertions, 0 deletions
diff --git a/lib/nexthop_group.c b/lib/nexthop_group.c
new file mode 100644
index 0000000000..e7f10487d1
--- /dev/null
+++ b/lib/nexthop_group.c
@@ -0,0 +1,100 @@
+/*
+ * Nexthop Group structure definition.
+ * Copyright (C) 2018 Cumulus Networks, Inc.
+ *                    Donald Sharp
+ *
+ * This program 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 of the License, or (at your option)
+ * any later version.
+ *
+ * This program 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 <nexthop.h>
+#include <nexthop_group.h>
+#include <vty.h>
+#include <command.h>
+
+#ifndef VTYSH_EXTRACT_PL
+#include "lib/nexthop_group_clippy.c"
+#endif
+
+/* Add nexthop to the end of a nexthop list.  */
+void nexthop_add(struct nexthop **target, struct nexthop *nexthop)
+{
+	struct nexthop *last;
+
+	for (last = *target; last && last->next; last = last->next)
+		;
+	if (last)
+		last->next = nexthop;
+	else
+		*target = nexthop;
+	nexthop->prev = last;
+}
+
+void copy_nexthops(struct nexthop **tnh, struct nexthop *nh,
+		   struct nexthop *rparent)
+{
+	struct nexthop *nexthop;
+	struct nexthop *nh1;
+
+	for (nh1 = nh; nh1; nh1 = nh1->next) {
+		nexthop = nexthop_new();
+		nexthop->vrf_id = nh1->vrf_id;
+		nexthop->ifindex = nh1->ifindex;
+		nexthop->type = nh1->type;
+		nexthop->flags = nh1->flags;
+		memcpy(&nexthop->gate, &nh1->gate, sizeof(nh1->gate));
+		memcpy(&nexthop->src, &nh1->src, sizeof(nh1->src));
+		memcpy(&nexthop->rmap_src, &nh1->rmap_src,
+		       sizeof(nh1->rmap_src));
+		nexthop->rparent = rparent;
+		if (nh1->nh_label)
+			nexthop_add_labels(nexthop, nh1->nh_label_type,
+					   nh1->nh_label->num_labels,
+					   &nh1->nh_label->label[0]);
+		nexthop_add(tnh, nexthop);
+
+		if (CHECK_FLAG(nh1->flags, NEXTHOP_FLAG_RECURSIVE))
+			copy_nexthops(&nexthop->resolved, nh1->resolved,
+				      nexthop);
+	}
+}
+
+DEFPY (nexthop_group,
+       nexthop_group_cmd,
+       "nexthop-group NAME",
+       "Enter into the nexthop-group submode\n"
+       "Specify the NAME of the nexthop-group\n")
+{
+	return CMD_SUCCESS;
+}
+
+struct cmd_node nexthop_group_node = {
+	NH_GROUP_NODE,
+	"%s(config-nh-group)# ",
+	1
+};
+
+static int nexthop_group_write(struct vty *vty)
+{
+	vty_out(vty, "!\n");
+
+	return 1;
+}
+
+void nexthop_group_init(void)
+{
+	install_node(&nexthop_group_node, nexthop_group_write);
+	install_element(CONFIG_NODE, &nexthop_group_cmd);
+}