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pimd: fix DR election race on startup

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In case interface address is learnt during configuration, make sure to
run DR election when configuring PIM/PIM passive on interface.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
(cherry picked from commit 8644524606)
This commit is contained in:
Rafael Zalamena 2025-02-06 19:28:50 -03:00 committed by Mergify
parent 3d61bbe0d9
commit b61fedd029
1 changed files with 9 additions and 0 deletions
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9
pimd/pim_nb_config.c
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@ -2043,6 +2043,11 @@ int lib_interface_pim_address_family_pim_enable_modify(struct nb_cb_modify_args
ifp->name);
return NB_ERR_INCONSISTENCY;
}
/* Trigger election in case it was never run before */
pim_ifp = ifp->info;
if (pim_addr_is_any(pim_ifp->pim_dr_addr))
pim_if_dr_election(ifp);
} else {
pim_ifp = ifp->info;
if (!pim_ifp)
@ -2076,6 +2081,10 @@ int lib_interface_pim_address_family_pim_passive_enable_modify(
pim_ifp = ifp->info;
pim_ifp->pim_passive_enable =
yang_dnode_get_bool(args->dnode, NULL);
/* Trigger election in case it was never run before */
if (pim_ifp->pim_passive_enable && pim_addr_is_any(pim_ifp->pim_dr_addr))
pim_if_dr_election(ifp);
break;
}