* resolve directly via the adjacnecy discribed by the
* interface and next-hop
*/
- if (!vnet_sw_interface_is_admin_up(vnet_get_main(),
- path->attached_next_hop.fp_interface))
- {
- path->fp_oper_flags &= ~FIB_PATH_OPER_FLAG_RESOLVED;
- }
-
dpo_set(&path->fp_dpo,
DPO_ADJACENCY,
fib_proto_to_dpo(path->fp_nh_proto),
path->fp_sibling = adj_child_add(path->fp_dpo.dpoi_index,
FIB_NODE_TYPE_PATH,
fib_path_get_index(path));
+
+ if (!vnet_sw_interface_is_admin_up(vnet_get_main(),
+ path->attached_next_hop.fp_interface) ||
+ !adj_is_up(path->fp_dpo.dpoi_index))
+ {
+ path->fp_oper_flags &= ~FIB_PATH_OPER_FLAG_RESOLVED;
+ }
}
/*
load_balance_map_path_state_change(fib_path_get_index(path));
}
}
+ /*
+ * check for over-riding factors on the FIB entry itself
+ */
+ if (!fib_entry_is_resolved(path->fp_via_fib))
+ {
+ path->fp_oper_flags &= ~FIB_PATH_OPER_FLAG_RESOLVED;
+ dpo_copy(&via_dpo, drop_dpo_get(fib_proto_to_dpo(path->fp_nh_proto)));
+
+ /*
+ * PIC edge trigger. let the load-balance maps know
+ */
+ load_balance_map_path_state_change(fib_path_get_index(path));
+ }
/*
* update the path's contributed DPO
vnet_get_main(),
path->attached_next_hop.fp_interface);
- if (if_is_up)
- {
- path->fp_oper_flags |= FIB_PATH_OPER_FLAG_RESOLVED;
- }
-
ai = fib_path_attached_next_hop_get_adj(
path,
fib_proto_to_link(path->fp_nh_proto));
+ path->fp_oper_flags &= ~FIB_PATH_OPER_FLAG_RESOLVED;
+ if (if_is_up && adj_is_up(ai))
+ {
+ path->fp_oper_flags |= FIB_PATH_OPER_FLAG_RESOLVED;
+ }
+
dpo_set(&path->fp_dpo, DPO_ADJACENCY,
fib_proto_to_dpo(path->fp_nh_proto),
ai);
{
fib_path_t *path;
- if (!fib_path_is_resolved(path_index))
- return;
-
path = fib_path_get(path_index);
+ /*
+ * resolved and unresolved paths contribute to the RPF list.
+ */
switch (path->fp_type)
{
case FIB_PATH_TYPE_ATTACHED_NEXT_HOP:
break;
case FIB_PATH_TYPE_RECURSIVE:
- fib_entry_contribute_urpf(path->fp_via_fib, urpf);
+ if (FIB_NODE_INDEX_INVALID != path->fp_via_fib)
+ {
+ /*
+ * there's unresolved due to constraints, and there's unresolved
+ * due to ain't go no via. can't do nowt w'out via.
+ */
+ fib_entry_contribute_urpf(path->fp_via_fib, urpf);
+ }
break;
case FIB_PATH_TYPE_EXCLUSIVE: