1 /* 2 PIM for Quagga 3 Copyright (C) 2008 Everton da Silva Marques 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; see the file COPYING; if not, write to the 17 Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, 18 MA 02110-1301 USA 19 20 $QuaggaId: $Format:%an, %ai, %h$ $ 21 */ 22 23 #ifndef PIM_IFACE_H 24 #define PIM_IFACE_H 25 26 #include <zebra.h> 27 28 #include "if.h" 29 #include "vty.h" 30 31 #include "pim_igmp.h" 32 #include "pim_upstream.h" 33 34 #define PIM_IF_MASK_PIM (1 << 0) 35 #define PIM_IF_MASK_IGMP (1 << 1) 36 #define PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS (1 << 2) 37 #define PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION (1 << 3) 38 39 #define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL) 40 41 #define PIM_IF_TEST_PIM(options) (PIM_IF_MASK_PIM & (options)) 42 #define PIM_IF_TEST_IGMP(options) (PIM_IF_MASK_IGMP & (options)) 43 #define PIM_IF_TEST_IGMP_LISTEN_ALLROUTERS(options) (PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS & (options)) 44 #define PIM_IF_TEST_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) (PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION & (options)) 45 46 #define PIM_IF_DO_PIM(options) ((options) |= PIM_IF_MASK_PIM) 47 #define PIM_IF_DO_IGMP(options) ((options) |= PIM_IF_MASK_IGMP) 48 #define PIM_IF_DO_IGMP_LISTEN_ALLROUTERS(options) ((options) |= PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS) 49 #define PIM_IF_DO_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) |= PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION) 50 51 #define PIM_IF_DONT_PIM(options) ((options) &= ~PIM_IF_MASK_PIM) 52 #define PIM_IF_DONT_IGMP(options) ((options) &= ~PIM_IF_MASK_IGMP) 53 #define PIM_IF_DONT_IGMP_LISTEN_ALLROUTERS(options) ((options) &= ~PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS) 54 #define PIM_IF_DONT_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) &= ~PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION) 55 56 struct pim_interface { 57 uint32_t options; /* bit vector */ 58 int mroute_vif_index; 59 struct in_addr primary_address; /* remember addr to detect change */ 60 61 int igmp_default_robustness_variable; /* IGMPv3 QRV */ 62 int igmp_default_query_interval; /* IGMPv3 secs between general queries */ 63 int igmp_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for general queries */ 64 int igmp_specific_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for specific queries */ 65 struct list *igmp_socket_list; /* list of struct igmp_sock */ 66 struct list *igmp_join_list; /* list of struct igmp_join */ 67 68 int pim_sock_fd; /* PIM socket file descriptor */ 69 struct thread *t_pim_sock_read; /* thread for reading PIM socket */ 70 int64_t pim_sock_creation; /* timestamp of PIM socket creation */ 71 72 struct thread *t_pim_hello_timer; 73 int pim_hello_period; 74 int pim_default_holdtime; 75 int pim_triggered_hello_delay; 76 uint32_t pim_generation_id; 77 uint16_t pim_propagation_delay_msec; /* config */ 78 uint16_t pim_override_interval_msec; /* config */ 79 struct list *pim_neighbor_list; /* list of struct pim_neighbor */ 80 struct list *pim_ifchannel_list; /* list of struct pim_ifchannel */ 81 82 /* neighbors without lan_delay */ 83 int pim_number_of_nonlandelay_neighbors; 84 uint16_t pim_neighbors_highest_propagation_delay_msec; 85 uint16_t pim_neighbors_highest_override_interval_msec; 86 87 /* DR Election */ 88 int64_t pim_dr_election_last; /* timestamp */ 89 int pim_dr_election_count; 90 int pim_dr_election_changes; 91 struct in_addr pim_dr_addr; 92 uint32_t pim_dr_priority; /* config */ 93 int pim_dr_num_nondrpri_neighbors; /* neighbors without dr_pri */ 94 95 int64_t pim_ifstat_start; /* start timestamp for stats */ 96 uint32_t pim_ifstat_hello_sent; 97 uint32_t pim_ifstat_hello_sendfail; 98 uint32_t pim_ifstat_hello_recv; 99 uint32_t pim_ifstat_hello_recvfail; 100 }; 101 102 /* 103 if default_holdtime is set (>= 0), use it; 104 otherwise default_holdtime is 3.5 * hello_period 105 */ 106 #define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \ 107 (((pim_ifp)->pim_default_holdtime < 0) ? \ 108 ((pim_ifp)->pim_hello_period * 7 / 2) : \ 109 ((pim_ifp)->pim_default_holdtime)) 110 111 struct pim_interface *pim_if_new(struct interface *ifp, int igmp, int pim); 112 void pim_if_delete(struct interface *ifp); 113 void pim_if_addr_add(struct connected *ifc); 114 void pim_if_addr_del(struct connected *ifc, int force_prim_as_any); 115 void pim_if_addr_add_all(struct interface *ifp); 116 void pim_if_addr_del_all(struct interface *ifp); 117 void pim_if_addr_del_all_igmp(struct interface *ifp); 118 void pim_if_addr_del_all_pim(struct interface *ifp); 119 120 int pim_if_add_vif(struct interface *ifp); 121 int pim_if_del_vif(struct interface *ifp); 122 void pim_if_add_vif_all(void); 123 void pim_if_del_vif_all(void); 124 125 struct interface *pim_if_find_by_vif_index(ifindex_t vif_index); 126 int pim_if_find_vifindex_by_ifindex(ifindex_t ifindex); 127 128 int pim_if_lan_delay_enabled(struct interface *ifp); 129 uint16_t pim_if_effective_propagation_delay_msec(struct interface *ifp); 130 uint16_t pim_if_effective_override_interval_msec(struct interface *ifp); 131 uint16_t pim_if_jp_override_interval_msec(struct interface *ifp); 132 struct pim_neighbor *pim_if_find_neighbor(struct interface *ifp, 133 struct in_addr addr); 134 135 long pim_if_t_suppressed_msec(struct interface *ifp); 136 int pim_if_t_override_msec(struct interface *ifp); 137 138 struct in_addr pim_find_primary_addr(struct interface *ifp); 139 140 int pim_if_igmp_join_add(struct interface *ifp, 141 struct in_addr group_addr, 142 struct in_addr source_addr); 143 int pim_if_igmp_join_del(struct interface *ifp, 144 struct in_addr group_addr, 145 struct in_addr source_addr); 146 147 void pim_if_update_could_assert(struct interface *ifp); 148 149 void pim_if_assert_on_neighbor_down(struct interface *ifp, 150 struct in_addr neigh_addr); 151 152 void pim_if_rpf_interface_changed(struct interface *old_rpf_ifp, 153 struct pim_upstream *up); 154 155 void pim_if_update_join_desired(struct pim_interface *pim_ifp); 156 157 void pim_if_update_assert_tracking_desired(struct interface *ifp); 158 159 #endif /* PIM_IFACE_H */ 160