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170 lines
6.8 KiB
C
170 lines
6.8 KiB
C
/*
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PIM for Quagga
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Copyright (C) 2008 Everton da Silva Marques
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA
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*/
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#ifndef PIM_IFACE_H
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#define PIM_IFACE_H
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#include <zebra.h>
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#include "if.h"
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#include "vty.h"
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#include "pim_igmp.h"
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#include "pim_upstream.h"
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#define PIM_IF_MASK_PIM (1 << 0)
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#define PIM_IF_MASK_IGMP (1 << 1)
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#define PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS (1 << 2)
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#define PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION (1 << 3)
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#define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL)
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#define PIM_IF_TEST_PIM(options) (PIM_IF_MASK_PIM & (options))
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#define PIM_IF_TEST_IGMP(options) (PIM_IF_MASK_IGMP & (options))
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#define PIM_IF_TEST_IGMP_LISTEN_ALLROUTERS(options) (PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS & (options))
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#define PIM_IF_TEST_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) (PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION & (options))
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#define PIM_IF_DO_PIM(options) ((options) |= PIM_IF_MASK_PIM)
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#define PIM_IF_DO_IGMP(options) ((options) |= PIM_IF_MASK_IGMP)
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#define PIM_IF_DO_IGMP_LISTEN_ALLROUTERS(options) ((options) |= PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
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#define PIM_IF_DO_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) |= PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION)
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#define PIM_IF_DONT_PIM(options) ((options) &= ~PIM_IF_MASK_PIM)
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#define PIM_IF_DONT_IGMP(options) ((options) &= ~PIM_IF_MASK_IGMP)
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#define PIM_IF_DONT_IGMP_LISTEN_ALLROUTERS(options) ((options) &= ~PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
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#define PIM_IF_DONT_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) &= ~PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION)
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#define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr
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enum pim_interface_type {
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PIM_INTERFACE_SSM,
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PIM_INTERFACE_SM
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};
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struct pim_interface {
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enum pim_interface_type itype;
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uint32_t options; /* bit vector */
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ifindex_t mroute_vif_index;
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struct in_addr primary_address; /* remember addr to detect change */
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int igmp_default_robustness_variable; /* IGMPv3 QRV */
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int igmp_default_query_interval; /* IGMPv3 secs between general queries */
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int igmp_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for general queries */
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int igmp_specific_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for specific queries */
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struct list *igmp_socket_list; /* list of struct igmp_sock */
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struct list *igmp_join_list; /* list of struct igmp_join */
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int pim_sock_fd; /* PIM socket file descriptor */
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struct thread *t_pim_sock_read; /* thread for reading PIM socket */
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int64_t pim_sock_creation; /* timestamp of PIM socket creation */
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struct thread *t_pim_hello_timer;
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int pim_hello_period;
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int pim_default_holdtime;
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int pim_triggered_hello_delay;
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uint32_t pim_generation_id;
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uint16_t pim_propagation_delay_msec; /* config */
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uint16_t pim_override_interval_msec; /* config */
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struct list *pim_neighbor_list; /* list of struct pim_neighbor */
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struct list *pim_ifchannel_list; /* list of struct pim_ifchannel */
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/* neighbors without lan_delay */
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int pim_number_of_nonlandelay_neighbors;
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uint16_t pim_neighbors_highest_propagation_delay_msec;
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uint16_t pim_neighbors_highest_override_interval_msec;
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/* DR Election */
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int64_t pim_dr_election_last; /* timestamp */
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int pim_dr_election_count;
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int pim_dr_election_changes;
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struct in_addr pim_dr_addr;
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uint32_t pim_dr_priority; /* config */
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int pim_dr_num_nondrpri_neighbors; /* neighbors without dr_pri */
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int64_t pim_ifstat_start; /* start timestamp for stats */
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uint32_t pim_ifstat_hello_sent;
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uint32_t pim_ifstat_hello_sendfail;
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uint32_t pim_ifstat_hello_recv;
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uint32_t pim_ifstat_hello_recvfail;
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};
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extern struct interface *pim_regiface;
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/*
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if default_holdtime is set (>= 0), use it;
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otherwise default_holdtime is 3.5 * hello_period
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*/
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#define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \
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(((pim_ifp)->pim_default_holdtime < 0) ? \
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((pim_ifp)->pim_hello_period * 7 / 2) : \
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((pim_ifp)->pim_default_holdtime))
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void pim_if_init(void);
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struct pim_interface *pim_if_new(struct interface *ifp, int igmp, int pim);
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void pim_if_delete(struct interface *ifp);
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void pim_if_addr_add(struct connected *ifc);
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void pim_if_addr_del(struct connected *ifc, int force_prim_as_any);
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void pim_if_addr_add_all(struct interface *ifp);
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void pim_if_addr_del_all(struct interface *ifp);
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void pim_if_addr_del_all_igmp(struct interface *ifp);
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void pim_if_addr_del_all_pim(struct interface *ifp);
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int pim_if_add_vif(struct interface *ifp);
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int pim_if_del_vif(struct interface *ifp);
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void pim_if_add_vif_all(void);
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void pim_if_del_vif_all(void);
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struct interface *pim_if_find_by_vif_index(ifindex_t vif_index);
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int pim_if_find_vifindex_by_ifindex(ifindex_t ifindex);
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int pim_if_lan_delay_enabled(struct interface *ifp);
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uint16_t pim_if_effective_propagation_delay_msec(struct interface *ifp);
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uint16_t pim_if_effective_override_interval_msec(struct interface *ifp);
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uint16_t pim_if_jp_override_interval_msec(struct interface *ifp);
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struct pim_neighbor *pim_if_find_neighbor(struct interface *ifp,
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struct in_addr addr);
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long pim_if_t_suppressed_msec(struct interface *ifp);
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int pim_if_t_override_msec(struct interface *ifp);
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struct in_addr pim_find_primary_addr(struct interface *ifp);
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int pim_if_igmp_join_add(struct interface *ifp,
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struct in_addr group_addr,
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struct in_addr source_addr);
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int pim_if_igmp_join_del(struct interface *ifp,
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struct in_addr group_addr,
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struct in_addr source_addr);
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void pim_if_update_could_assert(struct interface *ifp);
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void pim_if_assert_on_neighbor_down(struct interface *ifp,
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struct in_addr neigh_addr);
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void pim_if_rpf_interface_changed(struct interface *old_rpf_ifp,
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struct pim_upstream *up);
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void pim_if_update_join_desired(struct pim_interface *pim_ifp);
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void pim_if_update_assert_tracking_desired(struct interface *ifp);
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void pim_if_create_pimreg(void);
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#endif /* PIM_IFACE_H */
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