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12e41d03 | 1 | /* |
896014f4 DL |
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 along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
83190a40 | 18 | */ |
12e41d03 DL |
19 | |
20 | #ifndef PIM_IFACE_H | |
21 | #define PIM_IFACE_H | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "if.h" | |
26 | #include "vty.h" | |
ba4eb1bc CS |
27 | #include "vrf.h" |
28 | #include "zclient.h" | |
12e41d03 DL |
29 | |
30 | #include "pim_igmp.h" | |
31 | #include "pim_upstream.h" | |
ba4eb1bc | 32 | #include "bfd.h" |
12e41d03 DL |
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 | ||
df696e3f | 56 | #define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr |
84366c7e | 57 | |
982bff89 DS |
58 | struct pim_iface_upstream_switch { |
59 | struct in_addr address; | |
60 | struct list *us; | |
61 | }; | |
62 | ||
7176984f | 63 | enum pim_secondary_addr_flags { |
64 | PIM_SEC_ADDRF_NONE = 0, | |
65 | PIM_SEC_ADDRF_STALE = (1 << 0) | |
66 | }; | |
67 | ||
68 | struct pim_secondary_addr { | |
294b6d72 | 69 | struct prefix addr; |
7176984f | 70 | enum pim_secondary_addr_flags flags; |
71 | }; | |
72 | ||
12e41d03 DL |
73 | struct pim_interface { |
74 | uint32_t options; /* bit vector */ | |
b892f1dd | 75 | ifindex_t mroute_vif_index; |
12e41d03 | 76 | struct in_addr primary_address; /* remember addr to detect change */ |
7176984f | 77 | struct list *sec_addr_list; /* list of struct pim_secondary_addr */ |
4763cd0e | 78 | struct in_addr update_source; /* user can statically set the primary |
79 | * address of the interface */ | |
12e41d03 | 80 | |
b05b72e8 | 81 | int igmp_version; /* IGMP version */ |
12e41d03 DL |
82 | int igmp_default_robustness_variable; /* IGMPv3 QRV */ |
83 | int igmp_default_query_interval; /* IGMPv3 secs between general queries */ | |
84 | int igmp_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for general queries */ | |
85 | int igmp_specific_query_max_response_time_dsec; /* IGMPv3 Max Response Time in dsecs for specific queries */ | |
86 | struct list *igmp_socket_list; /* list of struct igmp_sock */ | |
87 | struct list *igmp_join_list; /* list of struct igmp_join */ | |
88 | ||
89 | int pim_sock_fd; /* PIM socket file descriptor */ | |
90 | struct thread *t_pim_sock_read; /* thread for reading PIM socket */ | |
91 | int64_t pim_sock_creation; /* timestamp of PIM socket creation */ | |
92 | ||
93 | struct thread *t_pim_hello_timer; | |
94 | int pim_hello_period; | |
95 | int pim_default_holdtime; | |
96 | int pim_triggered_hello_delay; | |
97 | uint32_t pim_generation_id; | |
98 | uint16_t pim_propagation_delay_msec; /* config */ | |
99 | uint16_t pim_override_interval_msec; /* config */ | |
100 | struct list *pim_neighbor_list; /* list of struct pim_neighbor */ | |
982bff89 | 101 | struct list *upstream_switch_list; |
12e41d03 | 102 | struct list *pim_ifchannel_list; /* list of struct pim_ifchannel */ |
a625e937 | 103 | struct hash *pim_ifchannel_hash; |
12e41d03 DL |
104 | |
105 | /* neighbors without lan_delay */ | |
106 | int pim_number_of_nonlandelay_neighbors; | |
107 | uint16_t pim_neighbors_highest_propagation_delay_msec; | |
108 | uint16_t pim_neighbors_highest_override_interval_msec; | |
109 | ||
110 | /* DR Election */ | |
111 | int64_t pim_dr_election_last; /* timestamp */ | |
112 | int pim_dr_election_count; | |
113 | int pim_dr_election_changes; | |
114 | struct in_addr pim_dr_addr; | |
115 | uint32_t pim_dr_priority; /* config */ | |
116 | int pim_dr_num_nondrpri_neighbors; /* neighbors without dr_pri */ | |
117 | ||
118 | int64_t pim_ifstat_start; /* start timestamp for stats */ | |
119 | uint32_t pim_ifstat_hello_sent; | |
120 | uint32_t pim_ifstat_hello_sendfail; | |
121 | uint32_t pim_ifstat_hello_recv; | |
122 | uint32_t pim_ifstat_hello_recvfail; | |
39438188 CS |
123 | uint32_t pim_ifstat_join_recv; |
124 | uint32_t pim_ifstat_join_send; | |
125 | uint32_t pim_ifstat_prune_recv; | |
126 | uint32_t pim_ifstat_prune_send; | |
127 | uint32_t pim_ifstat_reg_recv; | |
128 | uint32_t pim_ifstat_reg_send; | |
129 | uint32_t pim_ifstat_reg_stop_recv; | |
130 | uint32_t pim_ifstat_reg_stop_send; | |
131 | uint32_t pim_ifstat_assert_recv; | |
132 | uint32_t pim_ifstat_assert_send; | |
ba4eb1bc | 133 | struct bfd_info *bfd_info; |
12e41d03 DL |
134 | }; |
135 | ||
c992c9a0 | 136 | extern struct interface *pim_regiface; |
ea4a71fc | 137 | extern struct list *pim_ifchannel_list; |
12e41d03 DL |
138 | /* |
139 | if default_holdtime is set (>= 0), use it; | |
140 | otherwise default_holdtime is 3.5 * hello_period | |
141 | */ | |
142 | #define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \ | |
143 | (((pim_ifp)->pim_default_holdtime < 0) ? \ | |
144 | ((pim_ifp)->pim_hello_period * 7 / 2) : \ | |
145 | ((pim_ifp)->pim_default_holdtime)) | |
146 | ||
147 | void pim_if_init(void); | |
ea4a71fc | 148 | void pim_if_terminate (void); |
12e41d03 DL |
149 | |
150 | struct pim_interface *pim_if_new(struct interface *ifp, int igmp, int pim); | |
151 | void pim_if_delete(struct interface *ifp); | |
152 | void pim_if_addr_add(struct connected *ifc); | |
153 | void pim_if_addr_del(struct connected *ifc, int force_prim_as_any); | |
154 | void pim_if_addr_add_all(struct interface *ifp); | |
155 | void pim_if_addr_del_all(struct interface *ifp); | |
156 | void pim_if_addr_del_all_igmp(struct interface *ifp); | |
157 | void pim_if_addr_del_all_pim(struct interface *ifp); | |
158 | ||
9f0edbc9 DS |
159 | struct interface *pim_if_lookup_address_vrf (struct in_addr src, vrf_id_t vrf_id); |
160 | ||
12e41d03 DL |
161 | int pim_if_add_vif(struct interface *ifp); |
162 | int pim_if_del_vif(struct interface *ifp); | |
163 | void pim_if_add_vif_all(void); | |
164 | void pim_if_del_vif_all(void); | |
165 | ||
b892f1dd PJ |
166 | struct interface *pim_if_find_by_vif_index(ifindex_t vif_index); |
167 | int pim_if_find_vifindex_by_ifindex(ifindex_t ifindex); | |
12e41d03 DL |
168 | |
169 | int pim_if_lan_delay_enabled(struct interface *ifp); | |
170 | uint16_t pim_if_effective_propagation_delay_msec(struct interface *ifp); | |
171 | uint16_t pim_if_effective_override_interval_msec(struct interface *ifp); | |
172 | uint16_t pim_if_jp_override_interval_msec(struct interface *ifp); | |
173 | struct pim_neighbor *pim_if_find_neighbor(struct interface *ifp, | |
174 | struct in_addr addr); | |
175 | ||
176 | long pim_if_t_suppressed_msec(struct interface *ifp); | |
177 | int pim_if_t_override_msec(struct interface *ifp); | |
178 | ||
179 | struct in_addr pim_find_primary_addr(struct interface *ifp); | |
180 | ||
181 | int pim_if_igmp_join_add(struct interface *ifp, | |
182 | struct in_addr group_addr, | |
183 | struct in_addr source_addr); | |
184 | int pim_if_igmp_join_del(struct interface *ifp, | |
185 | struct in_addr group_addr, | |
186 | struct in_addr source_addr); | |
187 | ||
188 | void pim_if_update_could_assert(struct interface *ifp); | |
189 | ||
190 | void pim_if_assert_on_neighbor_down(struct interface *ifp, | |
191 | struct in_addr neigh_addr); | |
192 | ||
193 | void pim_if_rpf_interface_changed(struct interface *old_rpf_ifp, | |
194 | struct pim_upstream *up); | |
195 | ||
196 | void pim_if_update_join_desired(struct pim_interface *pim_ifp); | |
197 | ||
198 | void pim_if_update_assert_tracking_desired(struct interface *ifp); | |
199 | ||
c992c9a0 | 200 | void pim_if_create_pimreg(void); |
3565202d DS |
201 | |
202 | int pim_if_connected_to_source (struct interface *ifp, struct in_addr src); | |
4763cd0e | 203 | int pim_update_source_set(struct interface *ifp, struct in_addr source); |
3fdfd943 | 204 | |
12e41d03 | 205 | #endif /* PIM_IFACE_H */ |