ipcpd: normal: Make PFF policy-based

This turns the PDU Forwarding Function of the IPCP into a policy. For
now only the simple PFF policy is available.

1 files changed, 57 insertions, 0 deletions

diff --git a/src/ipcpd/normal/pol/simple_pff.h b/src/ipcpd/normal/pol/simple_pff.h
new file mode 100644
index 00000000..ef34dfee
--- /dev/null
+++ b/src/ipcpd/normal/pol/simple_pff.h
@@ -0,0 +1,57 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Simple policy for PFF
+ *
+ *    Dimitri Staessens <dimitri.staessens@ugent.be>
+ *    Sander Vrijders   <sander.vrijders@ugent.be>
+ *
+ * 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_NORMAL_SIMPLE_PFF_H
+#define OUROBOROS_IPCPD_NORMAL_SIMPLE_PFF_H
+
+#include "pol-pff-ops.h"
+
+struct pff_i * simple_pff_create(void);
+
+void           simple_pff_destroy(struct pff_i * pff_i);
+
+void           simple_pff_lock(struct pff_i * pff_i);
+
+void           simple_pff_unlock(struct pff_i * pff_i);
+
+int            simple_pff_add(struct pff_i * pff_i,
+                              uint64_t       addr,
+                              int *          fd,
+                              size_t         len);
+
+int            simple_pff_update(struct pff_i * pff_i,
+                                 uint64_t       addr,
+                                 int *          fd,
+                                 size_t         len);
+
+int            simple_pff_del(struct pff_i * pff_i,
+                              uint64_t       addr);
+
+void           simple_pff_flush(struct pff_i * pff_i);
+
+/* Returns fd towards next hop */
+int            simple_pff_nhop(struct pff_i * pff_i,
+                               uint64_t       addr);
+
+struct pol_pff_ops simple_pff_ops;
+
+#endif /* OUROBOROS_IPCPD_NORMAL_SIMPLE_PFF_H */