diff options
Diffstat (limited to 'src/vnet/ipip/ipip.c')
| -rw-r--r-- | src/vnet/ipip/ipip.c | 65 |
1 files changed, 17 insertions, 48 deletions
diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c index 9c58e520623..a5e46c41d6c 100644 --- a/src/vnet/ipip/ipip.c +++ b/src/vnet/ipip/ipip.c @@ -186,46 +186,15 @@ ipip_tunnel_stack (adj_index_t ai) VNET_HW_INTERFACE_FLAG_LINK_UP) == 0) { adj_nbr_midchain_unstack (ai); - return; } - - dpo_id_t tmp = DPO_INVALID; - fib_forward_chain_type_t fib_fwd = - t->transport == - IPIP_TRANSPORT_IP6 ? FIB_FORW_CHAIN_TYPE_UNICAST_IP6 : - FIB_FORW_CHAIN_TYPE_UNICAST_IP4; - - fib_entry_contribute_forwarding (t->p2p.fib_entry_index, fib_fwd, &tmp); - if (DPO_LOAD_BALANCE == tmp.dpoi_type) + else { - /* - * 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); } - - adj_nbr_midchain_stack (ai, &tmp); - dpo_reset (&tmp); } static adj_walk_rc_t @@ -253,24 +222,24 @@ ipip_tunnel_restack (ipip_tunnel_t * gt) void ipip_update_adj (vnet_main_t * vnm, u32 sw_if_index, adj_index_t ai) { - ipip_tunnel_t *t; adj_midchain_fixup_t f; + ipip_tunnel_t *t; + adj_flags_t af; t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index); if (!t) return; f = t->transport == IPIP_TRANSPORT_IP6 ? ipip6_fixup : ipip4_fixup; - - adj_nbr_midchain_update_rewrite (ai, f, t, - (VNET_LINK_ETHERNET == - adj_get_link_type (ai) ? - ADJ_FLAG_MIDCHAIN_NO_COUNT : - ADJ_FLAG_NONE), ipip_build_rewrite (vnm, - sw_if_index, - adj_get_link_type - (ai), - NULL)); + af = ADJ_FLAG_MIDCHAIN_IP_STACK; + if (VNET_LINK_ETHERNET == adj_get_link_type (ai)) + af |= ADJ_FLAG_MIDCHAIN_NO_COUNT; + + adj_nbr_midchain_update_rewrite (ai, f, t, af, + ipip_build_rewrite (vnm, + sw_if_index, + adj_get_link_type + (ai), NULL)); ipip_tunnel_stack (ai); } |