ospfd: TI-LFA basic infrastructure and algorithms

Signed-off-by: GalaxyGorilla <sascha@netdef.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/ospfd/ospf_ti_lfa.h b/ospfd/ospf_ti_lfa.h
new file mode 100644
index 0000000000..8f2effae48
--- /dev/null
+++ b/ospfd/ospf_ti_lfa.h
@@ -0,0 +1,35 @@
+/*
+ * OSPF calculation.
+ * Copyright (C) 2020  NetDEF, Inc.
+ *                     Sascha Kattelmann
+ *
+ * This file is part of FRR.
+ *
+ * FRR 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.
+ *
+ * FRR 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
+ */
+
+#ifndef _OSPF_TI_LFA_H
+#define _OSPF_TI_LFA_H
+
+extern void ospf_ti_lfa_compute(struct ospf_area *area,
+				struct route_table *new_table);
+
+/* unit testing */
+extern void ospf_ti_lfa_generate_p_spaces(struct ospf_area *area);
+extern void ospf_ti_lfa_insert_backup_paths(struct ospf_area *area,
+					    struct route_table *new_table);
+extern void ospf_ti_lfa_free_p_spaces(struct ospf_area *area);
+
+#endif /* _OSPF_TI_LFA_H */