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12e41d03 DL |
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 | ||
12e41d03 DL |
20 | */ |
21 | ||
22 | #ifndef PIM_IFACE_H | |
23 | #define PIM_IFACE_H | |
24 | ||
25 | #include <zebra.h> | |
26 | ||
27 | #include "if.h" | |
28 | #include "vty.h" | |
29 | ||
30 | #include "pim_igmp.h" | |
31 | #include "pim_upstream.h" | |
32 | ||
33 | #define PIM_IF_MASK_PIM (1 << 0) | |
34 | #define PIM_IF_MASK_IGMP (1 << 1) | |
35 | #define PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS (1 << 2) | |
36 | #define PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION (1 << 3) | |
37 | ||
38 | #define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL) | |
39 | ||
40 | #define PIM_IF_TEST_PIM(options) (PIM_IF_MASK_PIM & (options)) | |
41 | #define PIM_IF_TEST_IGMP(options) (PIM_IF_MASK_IGMP & (options)) | |
42 | #define PIM_IF_TEST_IGMP_LISTEN_ALLROUTERS(options) (PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS & (options)) | |
43 | #define PIM_IF_TEST_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) (PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION & (options)) | |
44 | ||
45 | #define PIM_IF_DO_PIM(options) ((options) |= PIM_IF_MASK_PIM) | |
46 | #define PIM_IF_DO_IGMP(options) ((options) |= PIM_IF_MASK_IGMP) | |
47 | #define PIM_IF_DO_IGMP_LISTEN_ALLROUTERS(options) ((options) |= PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS) | |
48 | #define PIM_IF_DO_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) |= PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION) | |
49 | ||
50 | #define PIM_IF_DONT_PIM(options) ((options) &= ~PIM_IF_MASK_PIM) | |
51 | #define PIM_IF_DONT_IGMP(options) ((options) &= ~PIM_IF_MASK_IGMP) | |
52 | #define PIM_IF_DONT_IGMP_LISTEN_ALLROUTERS(options) ((options) &= ~PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS) | |
53 | #define PIM_IF_DONT_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) &= ~PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION) | |
54 | ||
df696e3f | 55 | #define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr |
84366c7e | 56 | |
981d6c7a DS |
57 | enum pim_interface_type { |
58 | PIM_INTERFACE_SSM, | |
59 | PIM_INTERFACE_SM | |
60 | }; | |
61 | ||
12e41d03 | 62 | struct pim_interface { |
981d6c7a | 63 | enum pim_interface_type itype; |
12e41d03 | 64 | uint32_t options; /* bit vector */ |
b892f1dd | 65 | ifindex_t mroute_vif_index; |
12e41d03 DL |
66 | struct in_addr primary_address; /* remember addr to detect change */ |
67 | ||
b05b72e8 | 68 | int igmp_version; /* IGMP version */ |
12e41d03 DL |
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 */ | |
75 | ||
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 */ | |
79 | ||
80 | struct thread *t_pim_hello_timer; | |
81 | int pim_hello_period; | |
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 */ | |
89 | ||
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; | |
94 | ||
95 | /* DR Election */ | |
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 */ | |
102 | ||
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; | |
108 | }; | |
109 | ||
c992c9a0 | 110 | extern struct interface *pim_regiface; |
12e41d03 DL |
111 | /* |
112 | if default_holdtime is set (>= 0), use it; | |
113 | otherwise default_holdtime is 3.5 * hello_period | |
114 | */ | |
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)) | |
119 | ||
120 | void pim_if_init(void); | |
121 | ||
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); | |
130 | ||
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); | |
135 | ||
b892f1dd PJ |
136 | struct interface *pim_if_find_by_vif_index(ifindex_t vif_index); |
137 | int pim_if_find_vifindex_by_ifindex(ifindex_t ifindex); | |
12e41d03 DL |
138 | |
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); | |
145 | ||
146 | long pim_if_t_suppressed_msec(struct interface *ifp); | |
147 | int pim_if_t_override_msec(struct interface *ifp); | |
148 | ||
149 | struct in_addr pim_find_primary_addr(struct interface *ifp); | |
150 | ||
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); | |
157 | ||
158 | void pim_if_update_could_assert(struct interface *ifp); | |
159 | ||
160 | void pim_if_assert_on_neighbor_down(struct interface *ifp, | |
161 | struct in_addr neigh_addr); | |
162 | ||
163 | void pim_if_rpf_interface_changed(struct interface *old_rpf_ifp, | |
164 | struct pim_upstream *up); | |
165 | ||
166 | void pim_if_update_join_desired(struct pim_interface *pim_ifp); | |
167 | ||
168 | void pim_if_update_assert_tracking_desired(struct interface *ifp); | |
169 | ||
c992c9a0 | 170 | void pim_if_create_pimreg(void); |
3565202d DS |
171 | |
172 | int pim_if_connected_to_source (struct interface *ifp, struct in_addr src); | |
12e41d03 | 173 | #endif /* PIM_IFACE_H */ |