pimd/pim_upstream.h

   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 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
  18  */
  19
  20 #ifndef PIM_UPSTREAM_H
  21 #define PIM_UPSTREAM_H
  22
  23 #include <zebra.h>
  24 #include <prefix.h>
  25 #include "plist.h"
  26
  27 #include <pimd/pim_rpf.h>
  28 #include "pim_str.h"
  29 #include "pim_ifchannel.h"
  30
  31 #define PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED         (1 << 0)
  32 #define PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED (1 << 1)
  33 #define PIM_UPSTREAM_FLAG_MASK_FHR                     (1 << 2)
  34 #define PIM_UPSTREAM_FLAG_MASK_SRC_IGMP                (1 << 3)
  35 #define PIM_UPSTREAM_FLAG_MASK_SRC_PIM                 (1 << 4)
  36 #define PIM_UPSTREAM_FLAG_MASK_SRC_STREAM              (1 << 5)
  37 #define PIM_UPSTREAM_FLAG_MASK_SRC_MSDP                (1 << 6)
  38 #define PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE       (1 << 7)
  39 #define PIM_UPSTREAM_FLAG_MASK_SRC_LHR                 (1 << 8)
  40 /* In the case of pim vxlan we prime the pump by registering the
  41  * vxlan source and keeping the SPT (FHR-RP) alive by sending periodic
  42  * NULL registers. So we need to prevent KAT expiry because of the
  43  * lack of BUM traffic.
  44  */
  45 #define PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY      (1 << 9)
  46 /* for pim vxlan we need to pin the IIF to lo or MLAG-ISL on the
  47  * originating VTEP. This flag allows that by setting IIF to the
  48  * value specified and preventing next-hop-tracking on the entry
  49  */
  50 #define PIM_UPSTREAM_FLAG_MASK_STATIC_IIF              (1 << 10)
  51 #define PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL        (1 << 11)
  52 /* Disable pimreg encasulation for a flow */
  53 #define PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA          (1 << 12)
  54 /* For some MDTs we need to register the router as a source even
  55  * if the not DR or directly connected on the IIF. This is typically
  56  * needed on a VxLAN-AA (MLAG) setup.
  57  */
  58 #define PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG            (1 << 13)
  59 /* VxLAN origination mroute - SG was registered by EVPN where S is the
  60  * local VTEP IP and G is the BUM multicast group address
  61  */
  62 #define PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG          (1 << 14)
  63 /* VxLAN termination mroute - *G entry where G is the BUM multicast group
  64  * address
  65  */
  66 #define PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM          (1 << 15)
  67 /* MLAG mroute - synced to the MLAG peer and subject to DF (designated
  68  * forwarder) election
  69  */
  70 #define PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN              (1 << 16)
  71 /* MLAG mroute that lost the DF election with peer and is installed in
  72  * a dormant state i.e. MLAG OIFs are removed from the MFC.
  73  * In most cases the OIL is empty (but not not always) simply
  74  * blackholing the traffic pulled down to the LHR.
  75  */
  76 #define PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF             (1 << 17)
  77 /*
  78  * We are creating a non-joined upstream data structure
  79  * for this S,G as that we want to have a channel oil
  80  * associated with an upstream
  81  */
  82 #define PIM_UPSTREAM_FLAG_MASK_SRC_NOCACHE             (1 << 19)
  83 /* By default as SG entry will use the SPT for forwarding traffic
  84  * unless it was setup as a result of a Prune(S,G,rpt) from a
  85  * downstream router and has JoinDesired(S,G) as False.
  86  * This flag is only relevant for (S,G) entries.
  87  */
  88 #define PIM_UPSTREAM_FLAG_MASK_USE_RPT                 (1 << 20)
  89
  90 #define PIM_UPSTREAM_FLAG_ALL 0xFFFFFFFF
  91
  92 #define PIM_UPSTREAM_FLAG_TEST_DR_JOIN_DESIRED(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED)
  93 #define PIM_UPSTREAM_FLAG_TEST_DR_JOIN_DESIRED_UPDATED(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED)
  94 #define PIM_UPSTREAM_FLAG_TEST_FHR(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_FHR)
  95 #define PIM_UPSTREAM_FLAG_TEST_SRC_IGMP(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_IGMP)
  96 #define PIM_UPSTREAM_FLAG_TEST_SRC_PIM(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_PIM)
  97 #define PIM_UPSTREAM_FLAG_TEST_SRC_STREAM(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_STREAM)
  98 #define PIM_UPSTREAM_FLAG_TEST_SRC_MSDP(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_MSDP)
  99 #define PIM_UPSTREAM_FLAG_TEST_SEND_SG_RPT_PRUNE(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE)
 100 #define PIM_UPSTREAM_FLAG_TEST_SRC_LHR(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_LHR)
 101 #define PIM_UPSTREAM_FLAG_TEST_DISABLE_KAT_EXPIRY(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY)
 102 #define PIM_UPSTREAM_FLAG_TEST_STATIC_IIF(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_STATIC_IIF)
 103 #define PIM_UPSTREAM_FLAG_TEST_ALLOW_IIF_IN_OIL(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL)
 104 #define PIM_UPSTREAM_FLAG_TEST_NO_PIMREG_DATA(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA)
 105 #define PIM_UPSTREAM_FLAG_TEST_FORCE_PIMREG(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG)
 106 #define PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN_ORIG(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG)
 107 #define PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN_TERM(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM)
 108 #define PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN(flags) ((flags) & (PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG | PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM))
 109 #define PIM_UPSTREAM_FLAG_TEST_MLAG_VXLAN(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN)
 110 #define PIM_UPSTREAM_FLAG_TEST_MLAG_NON_DF(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF)
 111 #define PIM_UPSTREAM_FLAG_TEST_SRC_NOCACHE(flags) ((flags) &PIM_UPSTREAM_FLAG_MASK_SRC_NOCACHE)
 112 #define PIM_UPSTREAM_FLAG_TEST_USE_RPT(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_USE_RPT)
 113
 114 #define PIM_UPSTREAM_FLAG_SET_DR_JOIN_DESIRED(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED)
 115 #define PIM_UPSTREAM_FLAG_SET_DR_JOIN_DESIRED_UPDATED(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED)
 116 #define PIM_UPSTREAM_FLAG_SET_FHR(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_FHR)
 117 #define PIM_UPSTREAM_FLAG_SET_SRC_IGMP(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_IGMP)
 118 #define PIM_UPSTREAM_FLAG_SET_SRC_PIM(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_PIM)
 119 #define PIM_UPSTREAM_FLAG_SET_SRC_STREAM(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_STREAM)
 120 #define PIM_UPSTREAM_FLAG_SET_SRC_MSDP(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_MSDP)
 121 #define PIM_UPSTREAM_FLAG_SET_SEND_SG_RPT_PRUNE(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE)
 122 #define PIM_UPSTREAM_FLAG_SET_SRC_LHR(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_LHR)
 123 #define PIM_UPSTREAM_FLAG_SET_DISABLE_KAT_EXPIRY(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY)
 124 #define PIM_UPSTREAM_FLAG_SET_STATIC_IIF(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_STATIC_IIF)
 125 #define PIM_UPSTREAM_FLAG_SET_ALLOW_IIF_IN_OIL(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL)
 126 #define PIM_UPSTREAM_FLAG_SET_NO_PIMREG_DATA(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA)
 127 #define PIM_UPSTREAM_FLAG_SET_FORCE_PIMREG(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG)
 128 #define PIM_UPSTREAM_FLAG_SET_SRC_VXLAN_ORIG(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG)
 129 #define PIM_UPSTREAM_FLAG_SET_SRC_VXLAN_TERM(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM)
 130 #define PIM_UPSTREAM_FLAG_SET_MLAG_VXLAN(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN)
 131 #define PIM_UPSTREAM_FLAG_SET_MLAG_NON_DF(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF)
 132 #define PIM_UPSTREAM_FLAG_SET_USE_RPT(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_USE_RPT)
 133
 134 #define PIM_UPSTREAM_FLAG_UNSET_DR_JOIN_DESIRED(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED)
 135 #define PIM_UPSTREAM_FLAG_UNSET_DR_JOIN_DESIRED_UPDATED(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED)
 136 #define PIM_UPSTREAM_FLAG_UNSET_FHR(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_FHR)
 137 #define PIM_UPSTREAM_FLAG_UNSET_SRC_IGMP(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_IGMP)
 138 #define PIM_UPSTREAM_FLAG_UNSET_SRC_PIM(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_PIM)
 139 #define PIM_UPSTREAM_FLAG_UNSET_SRC_STREAM(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_STREAM)
 140 #define PIM_UPSTREAM_FLAG_UNSET_SRC_MSDP(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_MSDP)
 141 #define PIM_UPSTREAM_FLAG_UNSET_SEND_SG_RPT_PRUNE(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE)
 142 #define PIM_UPSTREAM_FLAG_UNSET_SRC_LHR(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_LHR)
 143 #define PIM_UPSTREAM_FLAG_UNSET_DISABLE_KAT_EXPIRY(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY)
 144 #define PIM_UPSTREAM_FLAG_UNSET_STATIC_IIF(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_STATIC_IIF)
 145 #define PIM_UPSTREAM_FLAG_UNSET_ALLOW_IIF_IN_OIL(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL)
 146 #define PIM_UPSTREAM_FLAG_UNSET_NO_PIMREG_DATA(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA)
 147 #define PIM_UPSTREAM_FLAG_UNSET_FORCE_PIMREG(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG)
 148 #define PIM_UPSTREAM_FLAG_UNSET_SRC_VXLAN_ORIG(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG)
 149 #define PIM_UPSTREAM_FLAG_UNSET_SRC_VXLAN_TERM(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM)
 150 #define PIM_UPSTREAM_FLAG_UNSET_MLAG_VXLAN(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN)
 151 #define PIM_UPSTREAM_FLAG_UNSET_MLAG_NON_DF(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF)
 152 #define PIM_UPSTREAM_FLAG_UNSET_SRC_NOCACHE(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_NOCACHE)
 153 #define PIM_UPSTREAM_FLAG_UNSET_USE_RPT(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_USE_RPT)
 154
 155 enum pim_upstream_state {
 156         PIM_UPSTREAM_NOTJOINED,
 157         PIM_UPSTREAM_JOINED,
 158 };
 159
 160 enum pim_reg_state {
 161         PIM_REG_NOINFO,
 162         PIM_REG_JOIN,
 163         PIM_REG_JOIN_PENDING,
 164         PIM_REG_PRUNE,
 165 };
 166
 167 enum pim_upstream_sptbit {
 168         PIM_UPSTREAM_SPTBIT_FALSE,
 169         PIM_UPSTREAM_SPTBIT_TRUE
 170 };
 171
 172 /*
 173   Upstream (S,G) channel in Joined state
 174   (S,G) in the "Not Joined" state is not represented
 175   See RFC 4601: 4.5.7.  Sending (S,G) Join/Prune Message
 176
 177   upstream_addr : Who we are talking to.
 178   For (*, G), upstream_addr is RP address or INADDR_ANY(if RP not configured)
 179   For (S, G), upstream_addr is source address
 180
 181   rpf: contains the nexthop information to whom we are talking to.
 182
 183   join_state: JOINED/NOTJOINED
 184
 185   In the case when FRR receives IGMP/PIM (*, G) join for group G and RP is not
 186   configured, then create a pim_upstream with the below information.
 187   pim_upstream->upstream address: INADDR_ANY
 188   pim_upstream->rpf: Unknown
 189   pim_upstream->state: NOTJOINED
 190
 191   When a new RP gets configured for G, find the corresponding pim upstream (*,G)
 192   entries and update the upstream address as new RP address if it the better one
 193   for the group G.
 194
 195   When RP becomes reachable, populate the nexthop information in
 196   pim_upstream->rpf and update the state to JOINED.
 197
 198 */
 199 struct pim_upstream {
 200         struct pim_instance *pim;
 201         struct pim_upstream *parent;
 202         struct in_addr upstream_addr;     /* Who we are talking to */
 203         struct in_addr upstream_register; /*Who we received a register from*/
 204         struct prefix_sg sg;              /* (S,G) group key */
 205         char sg_str[PIM_SG_LEN];
 206         uint32_t flags;
 207         struct channel_oil *channel_oil;
 208         struct list *sources;
 209         struct list *ifchannels;
 210
 211         enum pim_upstream_state join_state;
 212         enum pim_reg_state reg_state;
 213         enum pim_upstream_sptbit sptbit;
 214
 215         int ref_count;
 216
 217         struct pim_rpf rpf;
 218
 219         struct thread *t_join_timer;
 220
 221         /*
 222          * RST(S,G)
 223          */
 224         struct thread *t_rs_timer;
 225 #define PIM_REGISTER_SUPPRESSION_PERIOD (60)
 226 #define PIM_REGISTER_PROBE_PERIOD        (5)
 227
 228         /*
 229          * KAT(S,G)
 230          */
 231         struct thread *t_ka_timer;
 232 #define PIM_KEEPALIVE_PERIOD  (210)
 233 #define PIM_RP_KEEPALIVE_PERIOD                                                \
 234         (3 * router->register_suppress_time + router->register_probe_time)
 235
 236         /* on the RP we restart a timer to indicate if registers are being rxed
 237          * for
 238          * SG. This is needed by MSDP to determine its local SA cache */
 239         struct thread *t_msdp_reg_timer;
 240 #define PIM_MSDP_REG_RXED_PERIOD (3 * (1.5 * router->register_suppress_time))
 241
 242         int64_t state_transition; /* Record current state uptime */
 243 };
 244
 245 static inline bool pim_upstream_is_kat_running(struct pim_upstream *up)
 246 {
 247         return (up->t_ka_timer != NULL);
 248 }
 249
 250 struct pim_upstream *pim_upstream_find(struct pim_instance *pim,
 251                                        struct prefix_sg *sg);
 252 struct pim_upstream *pim_upstream_find_or_add(struct prefix_sg *sg,
 253                                               struct interface *ifp, int flags,
 254                                               const char *name);
 255 struct pim_upstream *pim_upstream_add(struct pim_instance *pim,
 256                                       struct prefix_sg *sg,
 257                                       struct interface *ifp, int flags,
 258                                       const char *name,
 259                                       struct pim_ifchannel *ch);
 260 void pim_upstream_ref(struct pim_upstream *up, int flags, const char *name);
 261 struct pim_upstream *pim_upstream_del(struct pim_instance *pim,
 262                                       struct pim_upstream *up,
 263                                       const char *name);
 264
 265 int pim_upstream_evaluate_join_desired(struct pim_instance *pim,
 266                                        struct pim_upstream *up);
 267 int pim_upstream_evaluate_join_desired_interface(struct pim_upstream *up,
 268                                                  struct pim_ifchannel *ch,
 269                                                  struct pim_ifchannel *starch);
 270 int pim_upstream_eval_inherit_if(struct pim_upstream *up,
 271                                                  struct pim_ifchannel *ch,
 272                                                  struct pim_ifchannel *starch);
 273 void pim_upstream_update_join_desired(struct pim_instance *pim,
 274                                       struct pim_upstream *up);
 275
 276 void pim_upstream_join_suppress(struct pim_upstream *up,
 277                                 struct in_addr rpf_addr, int holdtime);
 278
 279 void pim_upstream_join_timer_decrease_to_t_override(const char *debug_label,
 280                                                     struct pim_upstream *up);
 281
 282 void pim_upstream_join_timer_restart(struct pim_upstream *up,
 283                                      struct pim_rpf *old);
 284 void pim_upstream_rpf_genid_changed(struct pim_instance *pim,
 285                                     struct in_addr neigh_addr);
 286 void pim_upstream_rpf_interface_changed(struct pim_upstream *up,
 287                                         struct interface *old_rpf_ifp);
 288
 289 void pim_upstream_update_could_assert(struct pim_upstream *up);
 290 void pim_upstream_update_my_assert_metric(struct pim_upstream *up);
 291
 292 void pim_upstream_keep_alive_timer_start(struct pim_upstream *up,
 293                                          uint32_t time);
 294
 295 int pim_upstream_switch_to_spt_desired_on_rp(struct pim_instance *pim,
 296                                        struct prefix_sg *sg);
 297 #define SwitchToSptDesiredOnRp(pim, sg) pim_upstream_switch_to_spt_desired_on_rp (pim, sg)
 298 int pim_upstream_is_sg_rpt(struct pim_upstream *up);
 299
 300 void pim_upstream_set_sptbit(struct pim_upstream *up,
 301                              struct interface *incoming);
 302
 303 void pim_upstream_start_register_stop_timer(struct pim_upstream *up,
 304                                             int null_register);
 305
 306 void pim_upstream_send_join(struct pim_upstream *up);
 307
 308 void pim_upstream_switch(struct pim_instance *pim, struct pim_upstream *up,
 309                          enum pim_upstream_state new_state);
 310
 311 const char *pim_upstream_state2str(enum pim_upstream_state join_state);
 312 #define PIM_REG_STATE_STR_LEN 12
 313 const char *pim_reg_state2str(enum pim_reg_state state, char *state_str,
 314                               size_t state_str_len);
 315
 316 int pim_upstream_inherited_olist_decide(struct pim_instance *pim,
 317                                         struct pim_upstream *up);
 318 int pim_upstream_inherited_olist(struct pim_instance *pim,
 319                                  struct pim_upstream *up);
 320 int pim_upstream_empty_inherited_olist(struct pim_upstream *up);
 321
 322 void pim_upstream_find_new_rpf(struct pim_instance *pim);
 323 void pim_upstream_msdp_reg_timer_start(struct pim_upstream *up);
 324
 325 void pim_upstream_init(struct pim_instance *pim);
 326 void pim_upstream_terminate(struct pim_instance *pim);
 327
 328 void join_timer_start(struct pim_upstream *up);
 329 int pim_upstream_compare(void *arg1, void *arg2);
 330 void pim_upstream_register_reevaluate(struct pim_instance *pim);
 331
 332 void pim_upstream_add_lhr_star_pimreg(struct pim_instance *pim);
 333 void pim_upstream_remove_lhr_star_pimreg(struct pim_instance *pim,
 334                                          const char *nlist);
 335
 336 void pim_upstream_spt_prefix_list_update(struct pim_instance *pim,
 337                                          struct prefix_list *pl);
 338
 339 unsigned int pim_upstream_hash_key(const void *arg);
 340 bool pim_upstream_equal(const void *arg1, const void *arg2);
 341 struct pim_upstream *pim_upstream_keep_alive_timer_proc(
 342                 struct pim_upstream *up);
 343 void pim_upstream_fill_static_iif(struct pim_upstream *up,
 344                                 struct interface *incoming);
 345 void pim_upstream_update_use_rpt(struct pim_upstream *up,
 346                 bool update_mroute);
 347 void pim_upstream_reeval_use_rpt(struct pim_instance *pim);
 348 #endif /* PIM_UPSTREAM_H */