diff --git a/pimd/pim_oil.h b/pimd/pim_oil.h
new file mode 100644
index 0000000..1753545
--- /dev/null
+++ b/pimd/pim_oil.h
@@ -0,0 +1,53 @@
+/*
+  PIM for Quagga
+  Copyright (C) 2008  Everton da Silva Marques
+
+  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
+  
+  $QuaggaId: $Format:%an, %ai, %h$ $
+*/
+
+#ifndef PIM_OIL_H
+#define PIM_OIL_H
+
+#include "pim_mroute.h"
+
+#define PIM_OIF_FLAG_PROTO_IGMP (1 << 0) /* bitmask 1 */
+#define PIM_OIF_FLAG_PROTO_PIM  (1 << 1) /* bitmask 2 */
+#define PIM_OIF_FLAG_PROTO_ANY  (3)      /* bitmask (1 | 2) */
+
+/*
+  qpim_channel_oil_list holds a list of struct channel_oil.
+
+  Each channel_oil.oil is used to control an (S,G) entry in the Kernel
+  Multicast Forwarding Cache.
+*/
+
+struct channel_oil {
+  struct mfcctl oil;
+  int           oil_size;
+  int           oil_ref_count;
+  time_t        oif_creation[MAXVIFS];
+  uint32_t      oif_flags[MAXVIFS];
+};
+
+void pim_channel_oil_free(struct channel_oil *c_oil);
+struct channel_oil *pim_channel_oil_add(struct in_addr group_addr,
+					struct in_addr source_addr,
+					int input_vif_index);
+void pim_channel_oil_del(struct channel_oil *c_oil);
+
+#endif /* PIM_OIL_H */