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zebra: Allow ns delete to happen after under/over flow checks
[mirror_frr.git] / pimd / pim_iface.h
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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"
37664928 29#include "ferr.h"
12e41d03
DL		 30
31#include "pim_igmp.h"
32#include "pim_upstream.h"
ba4eb1bc 33#include "bfd.h"
12e41d03
DL		 34
35#define PIM_IF_MASK_PIM (1 << 0)
36#define PIM_IF_MASK_IGMP (1 << 1)
37#define PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS (1 << 2)
38#define PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION (1 << 3)
39
40#define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL)
41
42#define PIM_IF_TEST_PIM(options) (PIM_IF_MASK_PIM & (options))
43#define PIM_IF_TEST_IGMP(options) (PIM_IF_MASK_IGMP & (options))
44#define PIM_IF_TEST_IGMP_LISTEN_ALLROUTERS(options) (PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS & (options))
45#define PIM_IF_TEST_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) (PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION & (options))
46
47#define PIM_IF_DO_PIM(options) ((options) |= PIM_IF_MASK_PIM)
48#define PIM_IF_DO_IGMP(options) ((options) |= PIM_IF_MASK_IGMP)
49#define PIM_IF_DO_IGMP_LISTEN_ALLROUTERS(options) ((options) |= PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
50#define PIM_IF_DO_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) |= PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION)
51
52#define PIM_IF_DONT_PIM(options) ((options) &= ~PIM_IF_MASK_PIM)
53#define PIM_IF_DONT_IGMP(options) ((options) &= ~PIM_IF_MASK_IGMP)
54#define PIM_IF_DONT_IGMP_LISTEN_ALLROUTERS(options) ((options) &= ~PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
55#define PIM_IF_DONT_PIM_CAN_DISABLE_JOIN_SUPRESSION(options) ((options) &= ~PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPRESSION)
56
df696e3f 57#define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr
84366c7e 58
982bff89 59struct pim_iface_upstream_switch {
d62a17ae 60 struct in_addr address;
61 struct list *us;
982bff89
DS		 62};
63
7176984f 64enum pim_secondary_addr_flags {
d62a17ae 65 PIM_SEC_ADDRF_NONE = 0,
66 PIM_SEC_ADDRF_STALE = (1 << 0)
7176984f 67};
68
69struct pim_secondary_addr {
d62a17ae 70 struct prefix addr;
71 enum pim_secondary_addr_flags flags;
7176984f 72};
73
12e41d03 74struct pim_interface {
d62a17ae 75 uint32_t options; /* bit vector */
76 ifindex_t mroute_vif_index;
c3bd5a10
DS		 77 struct pim_instance *pim;
78
d62a17ae 79 struct in_addr primary_address; /* remember addr to detect change */
80 struct list *sec_addr_list; /* list of struct pim_secondary_addr */
81 struct in_addr update_source; /* user can statically set the primary
82 * address of the interface */
83
996c9314
LB		 84 int igmp_version; /* IGMP version */
85 int igmp_default_robustness_variable; /* IGMPv3 QRV */
86 int igmp_default_query_interval; /* IGMPv3 secs between general
d62a17ae 87 queries */
88 int igmp_query_max_response_time_dsec; /* IGMPv3 Max Response Time in
89 dsecs for general queries */
90 int igmp_specific_query_max_response_time_dsec; /* IGMPv3 Max Response
91 Time in dsecs for
92 specific queries */
93 struct list *igmp_socket_list; /* list of struct igmp_sock */
94 struct list *igmp_join_list; /* list of struct igmp_join */
95
96 int pim_sock_fd; /* PIM socket file descriptor */
97 struct thread *t_pim_sock_read; /* thread for reading PIM socket */
98 int64_t pim_sock_creation; /* timestamp of PIM socket creation */
99
100 struct thread *t_pim_hello_timer;
101 int pim_hello_period;
102 int pim_default_holdtime;
103 int pim_triggered_hello_delay;
104 uint32_t pim_generation_id;
105 uint16_t pim_propagation_delay_msec; /* config */
106 uint16_t pim_override_interval_msec; /* config */
107 struct list *pim_neighbor_list; /* list of struct pim_neighbor */
108 struct list *upstream_switch_list;
ad7b74c4 109 struct pim_ifchannel_rb ifchannel_rb;
d62a17ae 110
111 /* neighbors without lan_delay */
112 int pim_number_of_nonlandelay_neighbors;
113 uint16_t pim_neighbors_highest_propagation_delay_msec;
114 uint16_t pim_neighbors_highest_override_interval_msec;
115
116 /* DR Election */
117 int64_t pim_dr_election_last; /* timestamp */
118 int pim_dr_election_count;
119 int pim_dr_election_changes;
120 struct in_addr pim_dr_addr;
121 uint32_t pim_dr_priority; /* config */
122 int pim_dr_num_nondrpri_neighbors; /* neighbors without dr_pri */
123
b0f525a8
QY		 124 /* boundary prefix-list */
125 char *boundary_oil_plist;
126
d62a17ae 127 int64_t pim_ifstat_start; /* start timestamp for stats */
128 uint32_t pim_ifstat_hello_sent;
129 uint32_t pim_ifstat_hello_sendfail;
130 uint32_t pim_ifstat_hello_recv;
131 uint32_t pim_ifstat_hello_recvfail;
132 uint32_t pim_ifstat_join_recv;
133 uint32_t pim_ifstat_join_send;
134 uint32_t pim_ifstat_prune_recv;
135 uint32_t pim_ifstat_prune_send;
136 uint32_t pim_ifstat_reg_recv;
137 uint32_t pim_ifstat_reg_send;
138 uint32_t pim_ifstat_reg_stop_recv;
139 uint32_t pim_ifstat_reg_stop_send;
140 uint32_t pim_ifstat_assert_recv;
141 uint32_t pim_ifstat_assert_send;
142 struct bfd_info *bfd_info;
12e41d03
DL		 143};
144
145/*
146 if default_holdtime is set (>= 0), use it;
147 otherwise default_holdtime is 3.5 * hello_period
148 */
d62a17ae 149#define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \
150 (((pim_ifp)->pim_default_holdtime < 0) \
151 ? ((pim_ifp)->pim_hello_period * 7 / 2) \
152 : ((pim_ifp)->pim_default_holdtime))
12e41d03 153
f88df3a6
DS		 154void pim_if_init(struct pim_instance *pim);
155void pim_if_terminate(struct pim_instance *pim);
12e41d03 156
85a13586 157struct pim_interface *pim_if_new(struct interface *ifp, bool igmp, bool pim,
59752d4e 158 bool ispimreg);
d62a17ae 159void pim_if_delete(struct interface *ifp);
12e41d03
DL		 160void pim_if_addr_add(struct connected *ifc);
161void pim_if_addr_del(struct connected *ifc, int force_prim_as_any);
162void pim_if_addr_add_all(struct interface *ifp);
163void pim_if_addr_del_all(struct interface *ifp);
164void pim_if_addr_del_all_igmp(struct interface *ifp);
165void pim_if_addr_del_all_pim(struct interface *ifp);
166
59752d4e 167int pim_if_add_vif(struct interface *ifp, bool ispimreg);
12e41d03 168int pim_if_del_vif(struct interface *ifp);
f88df3a6
DS		 169void pim_if_add_vif_all(struct pim_instance *pim);
170void pim_if_del_vif_all(struct pim_instance *pim);
12e41d03 171
7cfc7bcf
DS		 172struct interface *pim_if_find_by_vif_index(struct pim_instance *pim,
173 ifindex_t vif_index);
174int pim_if_find_vifindex_by_ifindex(struct pim_instance *pim,
175 ifindex_t ifindex);
12e41d03
DL		 176
177int pim_if_lan_delay_enabled(struct interface *ifp);
178uint16_t pim_if_effective_propagation_delay_msec(struct interface *ifp);
179uint16_t pim_if_effective_override_interval_msec(struct interface *ifp);
180uint16_t pim_if_jp_override_interval_msec(struct interface *ifp);
181struct pim_neighbor *pim_if_find_neighbor(struct interface *ifp,
182 struct in_addr addr);
183
184long pim_if_t_suppressed_msec(struct interface *ifp);
185int pim_if_t_override_msec(struct interface *ifp);
186
187struct in_addr pim_find_primary_addr(struct interface *ifp);
188
37664928
DS		 189ferr_r pim_if_igmp_join_add(struct interface *ifp, struct in_addr group_addr,
190 struct in_addr source_addr);
d62a17ae 191int pim_if_igmp_join_del(struct interface *ifp, struct in_addr group_addr,
12e41d03
DL		 192 struct in_addr source_addr);
193
194void pim_if_update_could_assert(struct interface *ifp);
195
196void pim_if_assert_on_neighbor_down(struct interface *ifp,
197 struct in_addr neigh_addr);
198
199void pim_if_rpf_interface_changed(struct interface *old_rpf_ifp,
200 struct pim_upstream *up);
201
202void pim_if_update_join_desired(struct pim_interface *pim_ifp);
203
204void pim_if_update_assert_tracking_desired(struct interface *ifp);
205
43e40fdf 206void pim_if_create_pimreg(struct pim_instance *pim);
3565202d 207
d62a17ae 208int pim_if_connected_to_source(struct interface *ifp, struct in_addr src);
4763cd0e 209int pim_update_source_set(struct interface *ifp, struct in_addr source);
3fdfd943 210
e55a43d4 211bool pim_if_is_vrf_device(struct interface *ifp);
ad7b74c4
DS		 212
213int pim_if_ifchannel_count(struct pim_interface *pim_ifp);
12e41d03 214#endif /* PIM_IFACE_H */
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