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, 22 insertions, 17 deletions

diff --git a/src/ipcpd/normal/pff.h b/src/ipcpd/normal/pff.h
index 0a33d884..f44cd0e9 100644
--- a/src/ipcpd/normal/pff.h
+++ b/src/ipcpd/normal/pff.h
@@ -23,36 +23,41 @@
 #ifndef OUROBOROS_IPCPD_NORMAL_PFF_H
 #define OUROBOROS_IPCPD_NORMAL_PFF_H
 
+#include <ouroboros/ipcp.h>
+
 #include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
 
-/*
- * PFF will take a type in the future,
- * to allow different policies.
- * Only 1 fd per next hop for now.
- */
-struct pff * pff_create(void);
+struct pff * pff_create(enum pol_pff pol);
 
-void         pff_destroy(struct pff * instance);
+void         pff_destroy(struct pff * pff);
 
-void         pff_lock(struct pff * instance);
+void         pff_lock(struct pff * pff);
 
-void         pff_unlock(struct pff * instance);
+void         pff_unlock(struct pff * pff);
 
-int          pff_add(struct pff * instance,
+int          pff_add(struct pff * pff,
                      uint64_t     addr,
-                     int          fd);
+                     int *        fd,
+                     size_t       len);
 
-int          pff_update(struct pff * instance,
+int          pff_update(struct pff * pff,
                         uint64_t     addr,
-                        int          fd);
+                        int *        fd,
+                        size_t       len);
 
-int          pff_remove(struct pff * instance,
-                        uint64_t     addr);
+int          pff_del(struct pff * pff,
+                     uint64_t     addr);
 
-void         pff_flush(struct pff * instance);
+void         pff_flush(struct pff * pff);
 
 /* Returns fd towards next hop */
-int          pff_nhop(struct pff * instance,
+int          pff_nhop(struct pff * pff,
                       uint64_t     addr);
 
+int          pff_flow_state_change(struct pff * pff,
+                                   int          fd,
+                                   bool         up);
+
 #endif /* OUROBOROS_IPCPD_NORMAL_PFF_H */