summaryrefslogtreecommitdiff
path: root/pimd/pim_nht.c
diff options
context:
space:
mode:
authorDonald Sharp <sharpd@cumulusnetworks.com>2018-07-31 18:27:54 -0400
committerDonald Sharp <sharpd@cumulusnetworks.com>2018-07-31 18:27:54 -0400
commitcc67ccf9f3922e60e91634d4c10939031a9a2272 (patch)
treeb292fc9062d85ca2bea850bb6f2be0ecd4d4c9c2 /pimd/pim_nht.c
parent74389231689bfbe8a22159190943c39255bd40e5 (diff)
pimd: Abstract a RPF change for upstream handling
Abstract the RPF change for upstream handling code so that we do not have two copies of the code. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Diffstat (limited to 'pimd/pim_nht.c')
-rw-r--r--pimd/pim_nht.c54
1 files changed, 2 insertions, 52 deletions
diff --git a/pimd/pim_nht.c b/pimd/pim_nht.c
index f24bf0ac81..74dfed0455 100644
--- a/pimd/pim_nht.c
+++ b/pimd/pim_nht.c
@@ -300,59 +300,9 @@ static int pim_update_upstream_nh_helper(struct hash_backet *backet, void *arg)
}
}
- if (rpf_result == PIM_RPF_CHANGED) {
- struct pim_neighbor *nbr;
+ if (rpf_result == PIM_RPF_CHANGED)
+ pim_zebra_upstream_rpf_changed(pim, up, &old);
- nbr = pim_neighbor_find(old.source_nexthop.interface,
- old.rpf_addr.u.prefix4);
- if (nbr)
- pim_jp_agg_remove_group(nbr->upstream_jp_agg, up);
-
- /*
- * We have detected a case where we might need to rescan
- * the inherited o_list so do it.
- */
- if (up->channel_oil && up->channel_oil->oil_inherited_rescan) {
- pim_upstream_inherited_olist_decide(pim, up);
- up->channel_oil->oil_inherited_rescan = 0;
- }
-
- if (up->join_state == PIM_UPSTREAM_JOINED) {
- /*
- * If we come up real fast we can be here
- * where the mroute has not been installed
- * so install it.
- */
- if (up->channel_oil && !up->channel_oil->installed)
- pim_mroute_add(up->channel_oil,
- __PRETTY_FUNCTION__);
-
- /*
- * RFC 4601: 4.5.7. Sending (S,G) Join/Prune Messages
- *
- * Transitions from Joined State
- *
- * RPF'(S,G) changes not due to an Assert
- *
- * The upstream (S,G) state machine remains in Joined
- * state. Send Join(S,G) to the new upstream
- * neighbor, which is the new value of RPF'(S,G).
- * Send Prune(S,G) to the old upstream neighbor, which
- * is the old value of RPF'(S,G). Set the Join
- * Timer (JT) to expire after t_periodic seconds.
- */
- pim_jp_agg_switch_interface(&old, &up->rpf, up);
-
- pim_upstream_join_timer_restart(up, &old);
- } /* up->join_state == PIM_UPSTREAM_JOINED */
-
- /*
- * FIXME can join_desired actually be changed by
- * pim_rpf_update() returning PIM_RPF_CHANGED ?
- */
- pim_upstream_update_join_desired(pim, up);
-
- } /* PIM_RPF_CHANGED */
if (PIM_DEBUG_PIM_NHT) {
zlog_debug("%s: NHT upstream %s(%s) old ifp %s new ifp %s",