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 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
32 #include "pim_upstream.h"
33 #include "pim_instance.h"
37 #define PIM_IF_MASK_PIM (1 << 0)
38 #define PIM_IF_MASK_IGMP (1 << 1)
39 #define PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS (1 << 2)
40 #define PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPPRESSION (1 << 3)
42 #define PIM_IF_IS_DELETED(ifp) ((ifp)->ifindex == IFINDEX_INTERNAL)
44 #define PIM_IF_TEST_PIM(options) (PIM_IF_MASK_PIM & (options))
45 #define PIM_IF_TEST_IGMP(options) (PIM_IF_MASK_IGMP & (options))
46 #define PIM_IF_TEST_IGMP_LISTEN_ALLROUTERS(options) (PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS & (options))
47 #define PIM_IF_TEST_PIM_CAN_DISABLE_JOIN_SUPPRESSION(options) \
48 (PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPPRESSION & (options))
50 #define PIM_IF_DO_PIM(options) ((options) |= PIM_IF_MASK_PIM)
51 #define PIM_IF_DO_IGMP(options) ((options) |= PIM_IF_MASK_IGMP)
52 #define PIM_IF_DO_IGMP_LISTEN_ALLROUTERS(options) ((options) |= PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
53 #define PIM_IF_DO_PIM_CAN_DISABLE_JOIN_SUPPRESSION(options) \
54 ((options) |= PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPPRESSION)
56 #define PIM_IF_DONT_PIM(options) ((options) &= ~PIM_IF_MASK_PIM)
57 #define PIM_IF_DONT_IGMP(options) ((options) &= ~PIM_IF_MASK_IGMP)
58 #define PIM_IF_DONT_IGMP_LISTEN_ALLROUTERS(options) ((options) &= ~PIM_IF_MASK_IGMP_LISTEN_ALLROUTERS)
59 #define PIM_IF_DONT_PIM_CAN_DISABLE_JOIN_SUPPRESSION(options) \
60 ((options) &= ~PIM_IF_MASK_PIM_CAN_DISABLE_JOIN_SUPPRESSION)
62 #define PIM_I_am_DR(pim_ifp) (pim_ifp)->pim_dr_addr.s_addr == (pim_ifp)->primary_address.s_addr
63 #define PIM_I_am_DualActive(pim_ifp) (pim_ifp)->activeactive == true
65 /* Macros for interface flags */
68 * PIM needs to know if hello is required to send before other PIM messages
69 * like Join, prune, assert would go out
71 #define PIM_IF_FLAG_HELLO_SENT (1 << 0)
73 #define PIM_IF_FLAG_TEST_HELLO_SENT(flags) ((flags)&PIM_IF_FLAG_HELLO_SENT)
75 #define PIM_IF_FLAG_SET_HELLO_SENT(flags) ((flags) |= PIM_IF_FLAG_HELLO_SENT)
77 #define PIM_IF_FLAG_UNSET_HELLO_SENT(flags) ((flags) &= ~PIM_IF_FLAG_HELLO_SENT)
79 struct pim_iface_upstream_switch
{
84 enum pim_secondary_addr_flags
{
85 PIM_SEC_ADDRF_NONE
= 0,
86 PIM_SEC_ADDRF_STALE
= (1 << 0)
89 struct pim_secondary_addr
{
91 enum pim_secondary_addr_flags flags
;
94 struct pim_interface
{
95 uint32_t options
; /* bit vector */
96 ifindex_t mroute_vif_index
;
97 struct pim_instance
*pim
;
98 pim_addr primary_address
; /* remember addr to detect change */
99 struct list
*sec_addr_list
; /* list of struct pim_secondary_addr */
100 pim_addr update_source
; /* user can statically set the primary
101 * address of the interface */
103 int igmp_version
; /* IGMP version */
104 int gm_default_robustness_variable
; /* IGMP or MLD QRV */
105 int gm_default_query_interval
; /* IGMP or MLD secs between general
107 int gm_query_max_response_time_dsec
; /* IGMP or MLD Max Response Time in
108 dsecs for general queries */
109 int gm_specific_query_max_response_time_dsec
; /* IGMP or MLD Max
110 Response Time in dsecs
111 called as last member
112 query interval, defines
114 time advertised in IGMP
117 int gm_last_member_query_count
; /* IGMP or MLD last member
120 struct list
*gm_socket_list
; /* list of struct IGMP or MLD sock */
121 struct list
*gm_join_list
; /* list of struct IGMP or MLD join */
122 struct list
*gm_group_list
; /* list of struct IGMP or MLD group */
123 struct hash
*gm_group_hash
;
125 int pim_sock_fd
; /* PIM socket file descriptor */
126 struct thread
*t_pim_sock_read
; /* thread for reading PIM socket */
127 int64_t pim_sock_creation
; /* timestamp of PIM socket creation */
129 struct thread
*t_pim_hello_timer
;
130 int pim_hello_period
;
131 int pim_default_holdtime
;
132 int pim_triggered_hello_delay
;
133 uint32_t pim_generation_id
;
134 uint16_t pim_propagation_delay_msec
; /* config */
135 uint16_t pim_override_interval_msec
; /* config */
136 struct list
*pim_neighbor_list
; /* list of struct pim_neighbor */
137 struct list
*upstream_switch_list
;
138 struct pim_ifchannel_rb ifchannel_rb
;
140 /* neighbors without lan_delay */
141 int pim_number_of_nonlandelay_neighbors
;
142 uint16_t pim_neighbors_highest_propagation_delay_msec
;
143 uint16_t pim_neighbors_highest_override_interval_msec
;
146 int64_t pim_dr_election_last
; /* timestamp */
147 int pim_dr_election_count
;
148 int pim_dr_election_changes
;
149 pim_addr pim_dr_addr
;
150 uint32_t pim_dr_priority
; /* config */
151 int pim_dr_num_nondrpri_neighbors
; /* neighbors without dr_pri */
153 /* boundary prefix-list */
154 char *boundary_oil_plist
;
156 /* Turn on Active-Active for this interface */
160 int64_t pim_ifstat_start
; /* start timestamp for stats */
161 uint64_t pim_ifstat_bsm_rx
;
162 uint64_t pim_ifstat_bsm_tx
;
163 uint32_t pim_ifstat_hello_sent
;
164 uint32_t pim_ifstat_hello_sendfail
;
165 uint32_t pim_ifstat_hello_recv
;
166 uint32_t pim_ifstat_hello_recvfail
;
167 uint32_t pim_ifstat_join_recv
;
168 uint32_t pim_ifstat_join_send
;
169 uint32_t pim_ifstat_prune_recv
;
170 uint32_t pim_ifstat_prune_send
;
171 uint32_t pim_ifstat_reg_recv
;
172 uint32_t pim_ifstat_reg_send
;
173 uint32_t pim_ifstat_reg_stop_recv
;
174 uint32_t pim_ifstat_reg_stop_send
;
175 uint32_t pim_ifstat_assert_recv
;
176 uint32_t pim_ifstat_assert_send
;
177 uint32_t pim_ifstat_bsm_cfg_miss
;
178 uint32_t pim_ifstat_ucast_bsm_cfg_miss
;
179 uint32_t pim_ifstat_bsm_invalid_sz
;
181 bool bsm_enable
; /* bsm processing enable */
182 bool ucast_bsm_accept
; /* ucast bsm processing */
188 uint8_t detection_multiplier
;
194 * if default_holdtime is set (>= 0), use it;
195 * otherwise default_holdtime is 3.5 * hello_period
197 #define PIM_IF_DEFAULT_HOLDTIME(pim_ifp) \
198 (((pim_ifp)->pim_default_holdtime < 0) \
199 ? ((pim_ifp)->pim_hello_period * 7 / 2) \
200 : ((pim_ifp)->pim_default_holdtime))
202 void pim_if_init(struct pim_instance
*pim
);
203 void pim_if_terminate(struct pim_instance
*pim
);
205 struct pim_interface
*pim_if_new(struct interface
*ifp
, bool igmp
, bool pim
,
206 bool ispimreg
, bool is_vxlan_term
);
207 void pim_if_delete(struct interface
*ifp
);
208 void pim_if_addr_add(struct connected
*ifc
);
209 void pim_if_addr_del(struct connected
*ifc
, int force_prim_as_any
);
210 void pim_if_addr_add_all(struct interface
*ifp
);
211 void pim_if_addr_del_all(struct interface
*ifp
);
212 void pim_if_addr_del_all_igmp(struct interface
*ifp
);
214 int pim_if_add_vif(struct interface
*ifp
, bool ispimreg
, bool is_vxlan_term
);
215 int pim_if_del_vif(struct interface
*ifp
);
216 void pim_if_add_vif_all(struct pim_instance
*pim
);
217 void pim_if_del_vif_all(struct pim_instance
*pim
);
219 struct interface
*pim_if_find_by_vif_index(struct pim_instance
*pim
,
220 ifindex_t vif_index
);
221 int pim_if_find_vifindex_by_ifindex(struct pim_instance
*pim
,
224 int pim_if_lan_delay_enabled(struct interface
*ifp
);
225 uint16_t pim_if_effective_propagation_delay_msec(struct interface
*ifp
);
226 uint16_t pim_if_effective_override_interval_msec(struct interface
*ifp
);
227 uint16_t pim_if_jp_override_interval_msec(struct interface
*ifp
);
228 struct pim_neighbor
*pim_if_find_neighbor(struct interface
*ifp
,
229 struct in_addr addr
);
231 long pim_if_t_suppressed_msec(struct interface
*ifp
);
232 int pim_if_t_override_msec(struct interface
*ifp
);
234 struct in_addr
pim_find_primary_addr(struct interface
*ifp
);
236 ferr_r
pim_if_igmp_join_add(struct interface
*ifp
, struct in_addr group_addr
,
237 struct in_addr source_addr
);
238 int pim_if_igmp_join_del(struct interface
*ifp
, struct in_addr group_addr
,
239 struct in_addr source_addr
);
241 void pim_if_update_could_assert(struct interface
*ifp
);
243 void pim_if_assert_on_neighbor_down(struct interface
*ifp
,
244 struct in_addr neigh_addr
);
246 void pim_if_rpf_interface_changed(struct interface
*old_rpf_ifp
,
247 struct pim_upstream
*up
);
249 void pim_if_update_join_desired(struct pim_interface
*pim_ifp
);
251 void pim_if_update_assert_tracking_desired(struct interface
*ifp
);
253 void pim_if_create_pimreg(struct pim_instance
*pim
);
255 struct prefix
*pim_if_connected_to_source(struct interface
*ifp
, struct in_addr src
);
256 int pim_update_source_set(struct interface
*ifp
, struct in_addr source
);
258 bool pim_if_is_vrf_device(struct interface
*ifp
);
260 int pim_if_ifchannel_count(struct pim_interface
*pim_ifp
);
262 void pim_iface_init(void);
264 #endif /* PIM_IFACE_H */