diff options
Diffstat (limited to 'src/vnet/gre/interface.c')
| -rw-r--r-- | src/vnet/gre/interface.c | 40 |
1 files changed, 5 insertions, 35 deletions
diff --git a/src/vnet/gre/interface.c b/src/vnet/gre/interface.c index 6be934af56c..b9bfb79c172 100644 --- a/src/vnet/gre/interface.c +++ b/src/vnet/gre/interface.c @@ -128,9 +128,7 @@ gre_tunnel_from_fib_node (fib_node_t * node) void gre_tunnel_stack (adj_index_t ai) { - fib_forward_chain_type_t fib_fwd; gre_main_t *gm = &gre_main; - dpo_id_t tmp = DPO_INVALID; ip_adjacency_t *adj; gre_tunnel_t *gt; u32 sw_if_index; @@ -149,42 +147,14 @@ gre_tunnel_stack (adj_index_t ai) VNET_HW_INTERFACE_FLAG_LINK_UP) == 0) { adj_nbr_midchain_unstack (ai); - return; } - - fib_fwd = fib_forw_chain_type_from_fib_proto (gt->tunnel_dst.fp_proto); - - fib_entry_contribute_forwarding (gt->fib_entry_index, fib_fwd, &tmp); - if (DPO_LOAD_BALANCE == tmp.dpoi_type) + else { - /* - * post GRE rewrite we will load-balance. However, the GRE encap - * is always the same for this adjacency/tunnel and hence the IP/GRE - * 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, + gt->fib_entry_index, + fib_forw_chain_type_from_fib_proto + (gt->tunnel_dst.fp_proto)); } - - adj_nbr_midchain_stack (ai, &tmp); - dpo_reset (&tmp); } /** |