uint16_t pim_if_effective_override_interval_msec(struct interface *ifp)
{
if (pim_if_lan_delay_enabled(ifp)) {
struct pim_interface *pim_ifp;
pim_ifp = ifp->info;
return pim_ifp->pim_neighbors_highest_override_interval_msec;
}
else {
return PIM_DEFAULT_OVERRIDE_INTERVAL_MSEC;
}
}
uint16_t pim_if_effective_propagation_delay_msec(struct interface *ifp)
{
if (pim_if_lan_delay_enabled(ifp)) {
struct pim_interface *pim_ifp;
pim_ifp = ifp->info;
return pim_ifp->pim_neighbors_highest_propagation_delay_msec;
}
else {
return PIM_DEFAULT_PROPAGATION_DELAY_MSEC;
}
}
void pim_neighbor_delete(struct interface *ifp,
struct pim_neighbor *neigh,
const char *delete_message)
{
struct pim_interface *pim_ifp;
char src_str[100];
pim_ifp = ifp->info;
zassert(pim_ifp);
pim_inet4_dump("<src?>", neigh->source_addr, src_str, sizeof(src_str));
zlog_info("PIM NEIGHBOR DOWN: neighbor %s on interface %s: %s",
src_str, ifp->name, delete_message);
neighbor_timer_off(neigh);
pim_if_assert_on_neighbor_down(ifp, neigh->source_addr);
if (!PIM_OPTION_IS_SET(neigh->hello_options,
PIM_OPTION_MASK_LAN_PRUNE_DELAY)) {
/* update num. of neighbors without hello option lan_delay */
--pim_ifp->pim_number_of_nonlandelay_neighbors;
}
if (!PIM_OPTION_IS_SET(neigh->hello_options,
PIM_OPTION_MASK_DR_PRIORITY)) {
/* update num. of neighbors without dr_pri */
--pim_ifp->pim_dr_num_nondrpri_neighbors;
}
zassert(neigh->propagation_delay_msec <= pim_ifp->pim_neighbors_highest_propagation_delay_msec);
zassert(neigh->override_interval_msec <= pim_ifp->pim_neighbors_highest_override_interval_msec);
if (pim_if_lan_delay_enabled(ifp)) {
/* will delete a neighbor with highest propagation delay? */
if (neigh->propagation_delay_msec == pim_ifp->pim_neighbors_highest_propagation_delay_msec) {
/* then find the next highest propagation delay */
pim_ifp->pim_neighbors_highest_propagation_delay_msec =
find_neighbors_next_highest_propagation_delay_msec(ifp, neigh);
}
/* will delete a neighbor with highest override interval? */
if (neigh->override_interval_msec == pim_ifp->pim_neighbors_highest_override_interval_msec) {
/* then find the next highest propagation delay */
pim_ifp->pim_neighbors_highest_override_interval_msec =
find_neighbors_next_highest_override_interval_msec(ifp, neigh);
}
}
if (PIM_DEBUG_PIM_TRACE) {
zlog_debug("%s: deleting PIM neighbor %s on interface %s",
__PRETTY_FUNCTION__,
src_str, ifp->name);
}
listnode_delete(pim_ifp->pim_neighbor_list, neigh);
pim_neighbor_free(neigh);
}
