// SPDX-License-Identifier: GPL-2.0-or-later /* * PIM for Quagga * Copyright (C) 2008 Everton da Silva Marques */ #ifndef PIM_UPSTREAM_H #define PIM_UPSTREAM_H #include #include #include "plist.h" #include "pim_rpf.h" #include "pim_str.h" #include "pim_ifchannel.h" #define PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED (1 << 0) #define PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED (1 << 1) #define PIM_UPSTREAM_FLAG_MASK_FHR (1 << 2) #define PIM_UPSTREAM_FLAG_MASK_SRC_IGMP (1 << 3) #define PIM_UPSTREAM_FLAG_MASK_SRC_PIM (1 << 4) #define PIM_UPSTREAM_FLAG_MASK_SRC_STREAM (1 << 5) #define PIM_UPSTREAM_FLAG_MASK_SRC_MSDP (1 << 6) #define PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE (1 << 7) #define PIM_UPSTREAM_FLAG_MASK_SRC_LHR (1 << 8) /* In the case of pim vxlan we prime the pump by registering the * vxlan source and keeping the SPT (FHR-RP) alive by sending periodic * NULL registers. So we need to prevent KAT expiry because of the * lack of BUM traffic. */ #define PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY (1 << 9) /* for pim vxlan we need to pin the IIF to lo or MLAG-ISL on the * originating VTEP. This flag allows that by setting IIF to the * value specified and preventing next-hop-tracking on the entry */ #define PIM_UPSTREAM_FLAG_MASK_STATIC_IIF (1 << 10) #define PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL (1 << 11) /* Disable pimreg encasulation for a flow */ #define PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA (1 << 12) /* For some MDTs we need to register the router as a source even * if the not DR or directly connected on the IIF. This is typically * needed on a VxLAN-AA (MLAG) setup. */ #define PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG (1 << 13) /* VxLAN origination mroute - SG was registered by EVPN where S is the * local VTEP IP and G is the BUM multicast group address */ #define PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG (1 << 14) /* VxLAN termination mroute - *G entry where G is the BUM multicast group * address */ #define PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM (1 << 15) /* MLAG mroute - synced to the MLAG peer and subject to DF (designated * forwarder) election */ #define PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN (1 << 16) /* MLAG mroute that lost the DF election with peer and is installed in * a dormant state i.e. MLAG OIFs are removed from the MFC. * In most cases the OIL is empty (but not not always) simply * blackholing the traffic pulled down to the LHR. */ #define PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF (1 << 17) /* MLAG mroute rxed from the peer MLAG switch */ #define PIM_UPSTREAM_FLAG_MASK_MLAG_PEER (1 << 18) /* * We are creating a non-joined upstream data structure * for this S,G as that we want to have a channel oil * associated with an upstream */ #define PIM_UPSTREAM_FLAG_MASK_SRC_NOCACHE (1 << 19) /* By default as SG entry will use the SPT for forwarding traffic * unless it was setup as a result of a Prune(S,G,rpt) from a * downstream router and has JoinDesired(S,G) as False. * This flag is only relevant for (S,G) entries. */ #define PIM_UPSTREAM_FLAG_MASK_USE_RPT (1 << 20) /* PIM Syncs upstream entries to peer Nodes via MLAG in 2 cases. * one is to support plain PIM Redundancy and another one is to support * PIM REdundancy. */ #define PIM_UPSTREAM_FLAG_MASK_MLAG_INTERFACE (1 << 21) #define PIM_UPSTREAM_FLAG_ALL 0xFFFFFFFF #define PIM_UPSTREAM_FLAG_TEST_DR_JOIN_DESIRED(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED) #define PIM_UPSTREAM_FLAG_TEST_DR_JOIN_DESIRED_UPDATED(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED) #define PIM_UPSTREAM_FLAG_TEST_FHR(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_FHR) #define PIM_UPSTREAM_FLAG_TEST_SRC_IGMP(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_IGMP) #define PIM_UPSTREAM_FLAG_TEST_SRC_PIM(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_PIM) #define PIM_UPSTREAM_FLAG_TEST_SRC_STREAM(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_STREAM) #define PIM_UPSTREAM_FLAG_TEST_SRC_MSDP(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_MSDP) #define PIM_UPSTREAM_FLAG_TEST_SEND_SG_RPT_PRUNE(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE) #define PIM_UPSTREAM_FLAG_TEST_SRC_LHR(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_LHR) #define PIM_UPSTREAM_FLAG_TEST_DISABLE_KAT_EXPIRY(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY) #define PIM_UPSTREAM_FLAG_TEST_STATIC_IIF(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_STATIC_IIF) #define PIM_UPSTREAM_FLAG_TEST_ALLOW_IIF_IN_OIL(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL) #define PIM_UPSTREAM_FLAG_TEST_NO_PIMREG_DATA(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA) #define PIM_UPSTREAM_FLAG_TEST_FORCE_PIMREG(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG) #define PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN_ORIG(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG) #define PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN_TERM(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM) #define PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN(flags) ((flags) & (PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG | PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM)) #define PIM_UPSTREAM_FLAG_TEST_MLAG_VXLAN(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN) #define PIM_UPSTREAM_FLAG_TEST_MLAG_NON_DF(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF) #define PIM_UPSTREAM_FLAG_TEST_MLAG_PEER(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_MLAG_PEER) #define PIM_UPSTREAM_FLAG_TEST_SRC_NOCACHE(flags) ((flags) &PIM_UPSTREAM_FLAG_MASK_SRC_NOCACHE) #define PIM_UPSTREAM_FLAG_TEST_USE_RPT(flags) ((flags) & PIM_UPSTREAM_FLAG_MASK_USE_RPT) #define PIM_UPSTREAM_FLAG_TEST_CAN_BE_LHR(flags) ((flags) & (PIM_UPSTREAM_FLAG_MASK_SRC_IGMP | PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM)) #define PIM_UPSTREAM_FLAG_TEST_MLAG_INTERFACE(flags) ((flags)&PIM_UPSTREAM_FLAG_MASK_MLAG_INTERFACE) #define PIM_UPSTREAM_FLAG_SET_DR_JOIN_DESIRED(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED) #define PIM_UPSTREAM_FLAG_SET_DR_JOIN_DESIRED_UPDATED(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED) #define PIM_UPSTREAM_FLAG_SET_FHR(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_FHR) #define PIM_UPSTREAM_FLAG_SET_SRC_IGMP(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_IGMP) #define PIM_UPSTREAM_FLAG_SET_SRC_PIM(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_PIM) #define PIM_UPSTREAM_FLAG_SET_SRC_STREAM(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_STREAM) #define PIM_UPSTREAM_FLAG_SET_SRC_MSDP(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_MSDP) #define PIM_UPSTREAM_FLAG_SET_SEND_SG_RPT_PRUNE(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE) #define PIM_UPSTREAM_FLAG_SET_SRC_LHR(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_LHR) #define PIM_UPSTREAM_FLAG_SET_DISABLE_KAT_EXPIRY(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY) #define PIM_UPSTREAM_FLAG_SET_STATIC_IIF(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_STATIC_IIF) #define PIM_UPSTREAM_FLAG_SET_ALLOW_IIF_IN_OIL(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL) #define PIM_UPSTREAM_FLAG_SET_NO_PIMREG_DATA(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA) #define PIM_UPSTREAM_FLAG_SET_FORCE_PIMREG(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG) #define PIM_UPSTREAM_FLAG_SET_SRC_VXLAN_ORIG(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG) #define PIM_UPSTREAM_FLAG_SET_SRC_VXLAN_TERM(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM) #define PIM_UPSTREAM_FLAG_SET_MLAG_VXLAN(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN) #define PIM_UPSTREAM_FLAG_SET_MLAG_NON_DF(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF) #define PIM_UPSTREAM_FLAG_SET_MLAG_PEER(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_MLAG_PEER) #define PIM_UPSTREAM_FLAG_SET_USE_RPT(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_USE_RPT) #define PIM_UPSTREAM_FLAG_SET_MLAG_INTERFACE(flags) ((flags) |= PIM_UPSTREAM_FLAG_MASK_MLAG_INTERFACE) #define PIM_UPSTREAM_FLAG_UNSET_DR_JOIN_DESIRED(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED) #define PIM_UPSTREAM_FLAG_UNSET_DR_JOIN_DESIRED_UPDATED(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_DR_JOIN_DESIRED_UPDATED) #define PIM_UPSTREAM_FLAG_UNSET_FHR(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_FHR) #define PIM_UPSTREAM_FLAG_UNSET_SRC_IGMP(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_IGMP) #define PIM_UPSTREAM_FLAG_UNSET_SRC_PIM(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_PIM) #define PIM_UPSTREAM_FLAG_UNSET_SRC_STREAM(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_STREAM) #define PIM_UPSTREAM_FLAG_UNSET_SRC_MSDP(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_MSDP) #define PIM_UPSTREAM_FLAG_UNSET_SEND_SG_RPT_PRUNE(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SEND_SG_RPT_PRUNE) #define PIM_UPSTREAM_FLAG_UNSET_SRC_LHR(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_LHR) #define PIM_UPSTREAM_FLAG_UNSET_DISABLE_KAT_EXPIRY(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_DISABLE_KAT_EXPIRY) #define PIM_UPSTREAM_FLAG_UNSET_STATIC_IIF(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_STATIC_IIF) #define PIM_UPSTREAM_FLAG_UNSET_ALLOW_IIF_IN_OIL(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_ALLOW_IIF_IN_OIL) #define PIM_UPSTREAM_FLAG_UNSET_NO_PIMREG_DATA(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_NO_PIMREG_DATA) #define PIM_UPSTREAM_FLAG_UNSET_FORCE_PIMREG(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_FORCE_PIMREG) #define PIM_UPSTREAM_FLAG_UNSET_SRC_VXLAN_ORIG(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_ORIG) #define PIM_UPSTREAM_FLAG_UNSET_SRC_VXLAN_TERM(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_VXLAN_TERM) #define PIM_UPSTREAM_FLAG_UNSET_MLAG_VXLAN(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN) #define PIM_UPSTREAM_FLAG_UNSET_MLAG_NON_DF(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_MLAG_NON_DF) #define PIM_UPSTREAM_FLAG_UNSET_MLAG_PEER(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_MLAG_PEER) #define PIM_UPSTREAM_FLAG_UNSET_SRC_NOCACHE(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_SRC_NOCACHE) #define PIM_UPSTREAM_FLAG_UNSET_USE_RPT(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_USE_RPT) #define PIM_UPSTREAM_FLAG_UNSET_MLAG_INTERFACE(flags) ((flags) &= ~PIM_UPSTREAM_FLAG_MASK_MLAG_INTERFACE) /* The RPF cost is incremented by 10 if the RPF interface is the peerlink-rif. * This is used to force the MLAG switch with the lowest cost to the RPF * to become the MLAG DF. */ #define PIM_UPSTREAM_MLAG_PEERLINK_PLUS_METRIC 10 enum pim_upstream_state { PIM_UPSTREAM_NOTJOINED, PIM_UPSTREAM_JOINED, }; enum pim_reg_state { PIM_REG_NOINFO, PIM_REG_JOIN, PIM_REG_JOIN_PENDING, PIM_REG_PRUNE, }; enum pim_upstream_sptbit { PIM_UPSTREAM_SPTBIT_FALSE, PIM_UPSTREAM_SPTBIT_TRUE }; struct pim_up_mlag { /* MRIB.metric(S) from the peer switch. This is used for DF election * and switch with the lowest cost wins. */ uint32_t peer_mrib_metric; }; PREDECL_RBTREE_UNIQ(rb_pim_upstream); /* Upstream (S,G) channel in Joined state (S,G) in the "Not Joined" state is not represented See RFC 4601: 4.5.7. Sending (S,G) Join/Prune Message upstream_addr : Who we are talking to. For (*, G), upstream_addr is RP address or INADDR_ANY(if RP not configured) For (S, G), upstream_addr is source address rpf: contains the nexthop information to whom we are talking to. join_state: JOINED/NOTJOINED In the case when FRR receives IGMP/PIM (*, G) join for group G and RP is not configured, then create a pim_upstream with the below information. pim_upstream->upstream address: INADDR_ANY pim_upstream->rpf: Unknown pim_upstream->state: NOTJOINED When a new RP gets configured for G, find the corresponding pim upstream (*,G) entries and update the upstream address as new RP address if it the better one for the group G. When RP becomes reachable, populate the nexthop information in pim_upstream->rpf and update the state to JOINED. */ struct pim_upstream { struct pim_instance *pim; struct rb_pim_upstream_item upstream_rb; struct pim_upstream *parent; pim_addr upstream_addr; /* Who we are talking to */ pim_addr upstream_register; /*Who we received a register from*/ pim_sgaddr sg; /* (S,G) group key */ char sg_str[PIM_SG_LEN]; uint32_t flags; struct channel_oil *channel_oil; struct list *sources; struct list *ifchannels; /* Counter for Dual active ifchannels*/ uint32_t dualactive_ifchannel_count; enum pim_upstream_state join_state; enum pim_reg_state reg_state; enum pim_upstream_sptbit sptbit; int ref_count; struct pim_rpf rpf; struct pim_up_mlag mlag; struct event *t_join_timer; /* * RST(S,G) */ struct event *t_rs_timer; #define PIM_REGISTER_SUPPRESSION_PERIOD (60) #define PIM_REGISTER_PROBE_PERIOD (5) /* * KAT(S,G) */ struct event *t_ka_timer; #define PIM_KEEPALIVE_PERIOD (210) #define PIM_RP_KEEPALIVE_PERIOD \ (3 * router->register_suppress_time + router->register_probe_time) /* on the RP we restart a timer to indicate if registers are being rxed * for * SG. This is needed by MSDP to determine its local SA cache */ struct event *t_msdp_reg_timer; #define PIM_MSDP_REG_RXED_PERIOD (3 * (1.5 * router->register_suppress_time)) int64_t state_transition; /* Record current state uptime */ }; static inline bool pim_upstream_is_kat_running(struct pim_upstream *up) { return (up->t_ka_timer != NULL); } static inline bool pim_up_mlag_is_local(struct pim_upstream *up) { /* XXX: extend this to also return true if the channel-oil has * any AA devices */ return (up->flags & (PIM_UPSTREAM_FLAG_MASK_MLAG_VXLAN | PIM_UPSTREAM_FLAG_MASK_MLAG_INTERFACE)); } struct pim_upstream *pim_upstream_find(struct pim_instance *pim, pim_sgaddr *sg); struct pim_upstream *pim_upstream_find_or_add(pim_sgaddr *sg, struct interface *ifp, int flags, const char *name); struct pim_upstream *pim_upstream_add(struct pim_instance *pim, pim_sgaddr *sg, struct interface *ifp, int flags, const char *name, struct pim_ifchannel *ch); void pim_upstream_ref(struct pim_upstream *up, int flags, const char *name); struct pim_upstream *pim_upstream_del(struct pim_instance *pim, struct pim_upstream *up, const char *name); bool pim_upstream_evaluate_join_desired(struct pim_instance *pim, struct pim_upstream *up); int pim_upstream_evaluate_join_desired_interface(struct pim_upstream *up, struct pim_ifchannel *ch, struct pim_ifchannel *starch); int pim_upstream_eval_inherit_if(struct pim_upstream *up, struct pim_ifchannel *ch, struct pim_ifchannel *starch); void pim_upstream_update_join_desired(struct pim_instance *pim, struct pim_upstream *up); void pim_update_suppress_timers(uint32_t suppress_time); void pim_upstream_join_suppress(struct pim_upstream *up, pim_addr rpf, int holdtime); void pim_upstream_join_timer_decrease_to_t_override(const char *debug_label, struct pim_upstream *up); void pim_upstream_join_timer_restart(struct pim_upstream *up, struct pim_rpf *old); void pim_upstream_rpf_genid_changed(struct pim_instance *pim, pim_addr neigh_addr); void pim_upstream_rpf_interface_changed(struct pim_upstream *up, struct interface *old_rpf_ifp); void pim_upstream_update_could_assert(struct pim_upstream *up); void pim_upstream_update_my_assert_metric(struct pim_upstream *up); void pim_upstream_keep_alive_timer_start(struct pim_upstream *up, uint32_t time); int pim_upstream_switch_to_spt_desired_on_rp(struct pim_instance *pim, pim_sgaddr *sg); #define SwitchToSptDesiredOnRp(pim, sg) pim_upstream_switch_to_spt_desired_on_rp (pim, sg) int pim_upstream_is_sg_rpt(struct pim_upstream *up); void pim_upstream_set_sptbit(struct pim_upstream *up, struct interface *incoming); void pim_upstream_start_register_probe_timer(struct pim_upstream *up); void pim_upstream_send_join(struct pim_upstream *up); void pim_upstream_switch(struct pim_instance *pim, struct pim_upstream *up, enum pim_upstream_state new_state); const char *pim_upstream_state2str(enum pim_upstream_state join_state); #define PIM_REG_STATE_STR_LEN 12 const char *pim_reg_state2str(enum pim_reg_state state, char *state_str, size_t state_str_len); int pim_upstream_inherited_olist_decide(struct pim_instance *pim, struct pim_upstream *up); int pim_upstream_inherited_olist(struct pim_instance *pim, struct pim_upstream *up); int pim_upstream_empty_inherited_olist(struct pim_upstream *up); void pim_upstream_find_new_rpf(struct pim_instance *pim); void pim_upstream_msdp_reg_timer_start(struct pim_upstream *up); void pim_upstream_init(struct pim_instance *pim); void pim_upstream_terminate(struct pim_instance *pim); void join_timer_start(struct pim_upstream *up); int pim_upstream_compare(const struct pim_upstream *up1, const struct pim_upstream *up2); DECLARE_RBTREE_UNIQ(rb_pim_upstream, struct pim_upstream, upstream_rb, pim_upstream_compare); void pim_upstream_register_reevaluate(struct pim_instance *pim); void pim_upstream_add_lhr_star_pimreg(struct pim_instance *pim); void pim_upstream_remove_lhr_star_pimreg(struct pim_instance *pim, const char *nlist); void pim_upstream_spt_prefix_list_update(struct pim_instance *pim, struct prefix_list *pl); unsigned int pim_upstream_hash_key(const void *arg); bool pim_upstream_equal(const void *arg1, const void *arg2); struct pim_upstream *pim_upstream_keep_alive_timer_proc( struct pim_upstream *up); void pim_upstream_fill_static_iif(struct pim_upstream *up, struct interface *incoming); void pim_upstream_update_use_rpt(struct pim_upstream *up, bool update_mroute); uint32_t pim_up_mlag_local_cost(struct pim_upstream *up); uint32_t pim_up_mlag_peer_cost(struct pim_upstream *up); void pim_upstream_reeval_use_rpt(struct pim_instance *pim); int pim_upstream_could_register(struct pim_upstream *up); bool pim_sg_is_reevaluate_oil_req(struct pim_instance *pim, struct pim_upstream *up); #endif /* PIM_UPSTREAM_H */