3 Copyright (C) 2008 Everton da Silva Marques
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.
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.
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,
20 $QuaggaId: $Format:%an, %ai, %h$ $
32 #include "pim_upstream.h"
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)
39 #define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL)
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))
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)
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)
56 #define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr
58 enum pim_interface_type
{
63 struct pim_interface
{
64 enum pim_interface_type itype
;
65 uint32_t options
; /* bit vector */
67 struct in_addr primary_address
; /* remember addr to detect change */
69 int igmp_default_robustness_variable
; /* IGMPv3 QRV */
70 int igmp_default_query_interval
; /* IGMPv3 secs between general queries */
71 int igmp_query_max_response_time_dsec
; /* IGMPv3 Max Response Time in dsecs for general queries */
72 int igmp_specific_query_max_response_time_dsec
; /* IGMPv3 Max Response Time in dsecs for specific queries */
73 struct list
*igmp_socket_list
; /* list of struct igmp_sock */
74 struct list
*igmp_join_list
; /* list of struct igmp_join */
76 int pim_sock_fd
; /* PIM socket file descriptor */
77 struct thread
*t_pim_sock_read
; /* thread for reading PIM socket */
78 int64_t pim_sock_creation
; /* timestamp of PIM socket creation */
80 struct thread
*t_pim_hello_timer
;
82 int pim_default_holdtime
;
83 int pim_triggered_hello_delay
;
84 uint32_t pim_generation_id
;
85 uint16_t pim_propagation_delay_msec
; /* config */
86 uint16_t pim_override_interval_msec
; /* config */
87 struct list
*pim_neighbor_list
; /* list of struct pim_neighbor */
88 struct list
*pim_ifchannel_list
; /* list of struct pim_ifchannel */
90 /* neighbors without lan_delay */
91 int pim_number_of_nonlandelay_neighbors
;
92 uint16_t pim_neighbors_highest_propagation_delay_msec
;
93 uint16_t pim_neighbors_highest_override_interval_msec
;
96 int64_t pim_dr_election_last
; /* timestamp */
97 int pim_dr_election_count
;
98 int pim_dr_election_changes
;
99 struct in_addr pim_dr_addr
;
100 uint32_t pim_dr_priority
; /* config */
101 int pim_dr_num_nondrpri_neighbors
; /* neighbors without dr_pri */
103 int64_t pim_ifstat_start
; /* start timestamp for stats */
104 uint32_t pim_ifstat_hello_sent
;
105 uint32_t pim_ifstat_hello_sendfail
;
106 uint32_t pim_ifstat_hello_recv
;
107 uint32_t pim_ifstat_hello_recvfail
;
110 extern struct interface
*pim_regiface
;
112 if default_holdtime is set (>= 0), use it;
113 otherwise default_holdtime is 3.5 * hello_period
115 #define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \
116 (((pim_ifp)->pim_default_holdtime < 0) ? \
117 ((pim_ifp)->pim_hello_period * 7 / 2) : \
118 ((pim_ifp)->pim_default_holdtime))
120 void pim_if_init(void);
122 struct pim_interface
*pim_if_new(struct interface
*ifp
, int igmp
, int pim
);
123 void pim_if_delete(struct interface
*ifp
);
124 void pim_if_addr_add(struct connected
*ifc
);
125 void pim_if_addr_del(struct connected
*ifc
, int force_prim_as_any
);
126 void pim_if_addr_add_all(struct interface
*ifp
);
127 void pim_if_addr_del_all(struct interface
*ifp
);
128 void pim_if_addr_del_all_igmp(struct interface
*ifp
);
129 void pim_if_addr_del_all_pim(struct interface
*ifp
);
131 int pim_if_add_vif(struct interface
*ifp
);
132 int pim_if_del_vif(struct interface
*ifp
);
133 void pim_if_add_vif_all(void);
134 void pim_if_del_vif_all(void);
136 struct interface
*pim_if_find_by_vif_index(int vif_index
);
137 int pim_if_find_vifindex_by_ifindex(int ifindex
);
139 int pim_if_lan_delay_enabled(struct interface
*ifp
);
140 uint16_t pim_if_effective_propagation_delay_msec(struct interface
*ifp
);
141 uint16_t pim_if_effective_override_interval_msec(struct interface
*ifp
);
142 uint16_t pim_if_jp_override_interval_msec(struct interface
*ifp
);
143 struct pim_neighbor
*pim_if_find_neighbor(struct interface
*ifp
,
144 struct in_addr addr
);
146 long pim_if_t_suppressed_msec(struct interface
*ifp
);
147 int pim_if_t_override_msec(struct interface
*ifp
);
149 struct in_addr
pim_find_primary_addr(struct interface
*ifp
);
151 int pim_if_igmp_join_add(struct interface
*ifp
,
152 struct in_addr group_addr
,
153 struct in_addr source_addr
);
154 int pim_if_igmp_join_del(struct interface
*ifp
,
155 struct in_addr group_addr
,
156 struct in_addr source_addr
);
158 void pim_if_update_could_assert(struct interface
*ifp
);
160 void pim_if_assert_on_neighbor_down(struct interface
*ifp
,
161 struct in_addr neigh_addr
);
163 void pim_if_rpf_interface_changed(struct interface
*old_rpf_ifp
,
164 struct pim_upstream
*up
);
166 void pim_if_update_join_desired(struct pim_interface
*pim_ifp
);
168 void pim_if_update_assert_tracking_desired(struct interface
*ifp
);
170 void pim_if_create_pimreg(void);
171 #endif /* PIM_IFACE_H */