- /*
- * post IPIP rewrite we will load-balance. However, the IPIP encap
- * is always the same for this adjacency/tunnel and hence the IP/IPIP
- * src,dst hash is always the same result too. So we do that hash now and
- * stack on the choice.
- * If the choice is an incomplete adj then we will need a poke when
- * it becomes complete. This happens since the adj update walk propagates
- * as far a recursive paths.
- */
- const dpo_id_t *choice;
- load_balance_t *lb;
- int hash;
-
- lb = load_balance_get (tmp.dpoi_index);
-
- if (fib_fwd == FIB_FORW_CHAIN_TYPE_UNICAST_IP4)
- hash = ip4_compute_flow_hash ((ip4_header_t *) adj_get_rewrite (ai),
- lb->lb_hash_config);
- else
- hash = ip6_compute_flow_hash ((ip6_header_t *) adj_get_rewrite (ai),
- lb->lb_hash_config);
- choice =
- load_balance_get_bucket_i (lb, hash & lb->lb_n_buckets_minus_1);
- dpo_copy (&tmp, choice);
+ adj_nbr_midchain_stack_on_fib_entry
+ (ai,
+ t->p2p.fib_entry_index,
+ (t->transport == IPIP_TRANSPORT_IP6) ?
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6 : FIB_FORW_CHAIN_TYPE_UNICAST_IP4);