/* * 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 */ #ifndef PIM_IFACE_H #define PIM_IFACE_H #include #include "if.h" #include "vty.h" #include "vrf.h" #include "zclient.h" #include "pim_igmp.h" #include "pim_upstream.h" #include "bfd.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) #define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr struct pim_iface_upstream_switch { struct in_addr address; struct list *us; }; enum pim_secondary_addr_flags { PIM_SEC_ADDRF_NONE = 0, PIM_SEC_ADDRF_STALE = (1 << 0) }; struct pim_secondary_addr { struct prefix addr; enum pim_secondary_addr_flags flags; }; struct pim_interface { uint32_t options; /* bit vector */ ifindex_t mroute_vif_index; struct in_addr primary_address; /* remember addr to detect change */ struct list *sec_addr_list; /* list of struct pim_secondary_addr */ struct in_addr update_source; /* user can statically set the primary * address of the interface */ int igmp_version; /* IGMP version */ 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 for general queries */ int igmp_specific_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for specific queries */ 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 *upstream_switch_list; struct list *pim_ifchannel_list; /* list of struct pim_ifchannel */ struct hash *pim_ifchannel_hash; /* 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; int pim_dr_election_changes; 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; uint32_t pim_ifstat_join_recv; uint32_t pim_ifstat_join_send; uint32_t pim_ifstat_prune_recv; uint32_t pim_ifstat_prune_send; uint32_t pim_ifstat_reg_recv; uint32_t pim_ifstat_reg_send; uint32_t pim_ifstat_reg_stop_recv; uint32_t pim_ifstat_reg_stop_send; uint32_t pim_ifstat_assert_recv; uint32_t pim_ifstat_assert_send; struct bfd_info *bfd_info; }; extern struct interface *pim_regiface; extern struct list *pim_ifchannel_list; /* 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); void pim_if_terminate(void); struct pim_interface *pim_if_new(struct interface *ifp, int igmp, int pim); void pim_if_delete(struct interface *ifp); void pim_if_addr_add(struct connected *ifc); void pim_if_addr_del(struct connected *ifc, int force_prim_as_any); 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); struct interface *pim_if_lookup_address_vrf(struct in_addr src, vrf_id_t vrf_id); 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(ifindex_t vif_index); int pim_if_find_vifindex_by_ifindex(ifindex_t 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); void pim_if_create_pimreg(void); int pim_if_connected_to_source(struct interface *ifp, struct in_addr src); int pim_update_source_set(struct interface *ifp, struct in_addr source); #endif /* PIM_IFACE_H */