diff --git a/pimd/pim_iface.h b/pimd/pim_iface.h
new file mode 100644
index 0000000..6ce866b
--- /dev/null
+++ b/pimd/pim_iface.h
@@ -0,0 +1,160 @@
+/*
+  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_IFACE_H
+#define PIM_IFACE_H
+
+#include <zebra.h>
+
+#include "if.h"
+#include "vty.h"
+
+#include "pim_igmp.h"
+
+#define PIM_IF_MASK_PIM                             (1 << 0)
+#define PIM_IF_MASK_IGMP                            (1 << 1)
+#define PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS          (1 << 2)
+#define PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION (1 << 3)
+
+#define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL)
+
+#define PIM_IF_TEST_PIM(options) (PIM_IF_MASK_PIM & (options))
+#define PIM_IF_TEST_IGMP(options) (PIM_IF_MASK_IGMP & (options))
+#define PIM_IF_TEST_IGMP_LISTEN_ALLROUTERS(options) (PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS & (options))
+#define PIM_IF_TEST_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) (PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION & (options))
+
+#define PIM_IF_DO_PIM(options) ((options) |= PIM_IF_MASK_PIM)
+#define PIM_IF_DO_IGMP(options) ((options) |= PIM_IF_MASK_IGMP)
+#define PIM_IF_DO_IGMP_LISTEN_ALLROUTERS(options) ((options) |= PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
+#define PIM_IF_DO_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) |= PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION)
+
+#define PIM_IF_DONT_PIM(options) ((options) &= ~PIM_IF_MASK_PIM)
+#define PIM_IF_DONT_IGMP(options) ((options) &= ~PIM_IF_MASK_IGMP)
+#define PIM_IF_DONT_IGMP_LISTEN_ALLROUTERS(options) ((options) &= ~PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
+#define PIM_IF_DONT_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) &= ~PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION)
+
+struct pim_interface {
+  uint32_t       options;                            /* bit vector */
+  int            mroute_vif_index;
+  struct in_addr primary_address; /* remember addr to detect change */
+
+  int          igmp_default_robustness_variable;   /* IGMPv3 QRV */
+  int          igmp_default_query_interval;        /* IGMPv3 secs between general queries */
+  int          igmp_query_max_response_time_dsec;  /* IGMPv3 Max Response Time in dsecs */
+  struct list *igmp_socket_list;                   /* list of struct igmp_sock */
+  struct list *igmp_join_list;                     /* list of struct igmp_join */
+
+  int            pim_sock_fd;       /* PIM socket file descriptor */
+  struct thread *t_pim_sock_read;   /* thread for reading PIM socket */
+  int64_t        pim_sock_creation; /* timestamp of PIM socket creation */
+
+  struct thread *t_pim_hello_timer;
+  int            pim_hello_period;
+  int            pim_default_holdtime;
+  int            pim_triggered_hello_delay;
+  uint32_t       pim_generation_id;
+  uint16_t       pim_propagation_delay_msec; /* config */
+  uint16_t       pim_override_interval_msec; /* config */
+  struct list   *pim_neighbor_list; /* list of struct pim_neighbor */
+  struct list   *pim_ifchannel_list; /* list of struct pim_ifchannel */
+
+  /* neighbors without lan_delay */
+  int            pim_number_of_nonlandelay_neighbors;
+  uint16_t       pim_neighbors_highest_propagation_delay_msec;
+  uint16_t       pim_neighbors_highest_override_interval_msec;
+
+  /* DR Election */
+  int64_t        pim_dr_election_last; /* timestamp */
+  int            pim_dr_election_count;
+  struct in_addr pim_dr_addr;
+  uint32_t       pim_dr_priority;            /* config */
+  int            pim_dr_num_nondrpri_neighbors; /* neighbors without dr_pri */
+
+  int64_t        pim_ifstat_start; /* start timestamp for stats */
+  uint32_t       pim_ifstat_hello_sent;
+  uint32_t       pim_ifstat_hello_sendfail;
+  uint32_t       pim_ifstat_hello_recv;
+  uint32_t       pim_ifstat_hello_recvfail;
+};
+
+/*
+  if default_holdtime is set (>= 0), use it;
+  otherwise default_holdtime is 3.5 * hello_period
+ */
+#define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \
+  (((pim_ifp)->pim_default_holdtime < 0) ? \
+  ((pim_ifp)->pim_hello_period * 7 / 2) : \
+  ((pim_ifp)->pim_default_holdtime))
+
+void pim_if_init(void);
+
+struct pim_interface *pim_if_new(struct interface *ifp, int igmp, int pim);
+void                  pim_if_delete(struct interface *ifp);
+int                   pim_if_igmp_listen(struct vty *vty,
+					 struct interface *ifp);
+void pim_if_addr_add(struct connected *ifc);
+void pim_if_addr_del(struct connected *ifc);
+void pim_if_addr_add_all(struct interface *ifp);
+void pim_if_addr_del_all(struct interface *ifp);
+void pim_if_addr_del_all_igmp(struct interface *ifp);
+void pim_if_addr_del_all_pim(struct interface *ifp);
+
+int pim_if_add_vif(struct interface *ifp);
+int pim_if_del_vif(struct interface *ifp);
+void pim_if_add_vif_all(void);
+void pim_if_del_vif_all(void);
+
+struct interface *pim_if_find_by_vif_index(int vif_index);
+int pim_if_find_vifindex_by_ifindex(int ifindex);
+
+int pim_if_lan_delay_enabled(struct interface *ifp);
+uint16_t pim_if_effective_propagation_delay_msec(struct interface *ifp);
+uint16_t pim_if_effective_override_interval_msec(struct interface *ifp);
+uint16_t pim_if_jp_override_interval_msec(struct interface *ifp);
+struct pim_neighbor *pim_if_find_neighbor(struct interface *ifp,
+					  struct in_addr addr);
+
+long pim_if_t_suppressed_msec(struct interface *ifp);
+int pim_if_t_override_msec(struct interface *ifp);
+
+struct in_addr pim_find_primary_addr(struct interface *ifp);
+
+int pim_if_igmp_join_add(struct interface *ifp,
+			 struct in_addr group_addr,
+			 struct in_addr source_addr);
+int pim_if_igmp_join_del(struct interface *ifp,
+			 struct in_addr group_addr,
+			 struct in_addr source_addr);
+
+void pim_if_update_could_assert(struct interface *ifp);
+
+void pim_if_assert_on_neighbor_down(struct interface *ifp,
+				    struct in_addr neigh_addr);
+
+void pim_if_rpf_interface_changed(struct interface *old_rpf_ifp,
+				  struct pim_upstream *up);
+
+void pim_if_update_join_desired(struct pim_interface *pim_ifp);
+
+void pim_if_update_assert_tracking_desired(struct interface *ifp);
+
+#endif /* PIM_IFACE_H */