1 files changed, 63 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/pff.h b/src/ipcpd/unicast/pff.h
new file mode 100644
index 00000000..9533395f
--- /dev/null
+++ b/src/ipcpd/unicast/pff.h
@@ -0,0 +1,63 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2019
+ *
+ * PDU Forwarding Function
+ *
+ *    Dimitri Staessens <[email protected]>
+ *    Sander Vrijders   <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#ifndef OUROBOROS_IPCPD_UNICAST_PFF_H
+#define OUROBOROS_IPCPD_UNICAST_PFF_H
+
+#include <ouroboros/ipcp.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+struct pff * pff_create(enum pol_pff pol);
+
+void         pff_destroy(struct pff * pff);
+
+void         pff_lock(struct pff * pff);
+
+void         pff_unlock(struct pff * pff);
+
+int          pff_add(struct pff * pff,
+                     uint64_t     addr,
+                     int *        fd,
+                     size_t       len);
+
+int          pff_update(struct pff * pff,
+                        uint64_t     addr,
+                        int *        fd,
+                        size_t       len);
+
+int          pff_del(struct pff * pff,
+                     uint64_t     addr);
+
+void         pff_flush(struct pff * pff);
+
+/* Returns fd towards next hop */
+int          pff_nhop(struct pff * pff,
+                      uint64_t     addr);
+
+int          pff_flow_state_change(struct pff * pff,
+                                   int          fd,
+                                   bool         up);
+
+#endif /* OUROBOROS_IPCPD_UNICAST_PFF_H */