/* * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __GBP_POLICY_DPO_H__ #define __GBP_POLICY_DPO_H__ #include <vnet/dpo/dpo.h> #include <vnet/dpo/load_balance.h> #include <vnet/fib/ip4_fib.h> #include <vnet/fib/ip6_fib.h> /** * @brief * The GBP FWD DPO. Used in the L3 path to select the correct EPG uplink * based on the source EPG. */ typedef struct gbp_policy_dpo_t_ { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /** * The protocol of packets using this DPO */ dpo_proto_t gpd_proto; /** * SClass */ sclass_t gpd_sclass; /** * sclass scope */ gbp_scope_t gpd_scope; /** * output sw_if_index */ u32 gpd_sw_if_index; /** * number of locks. */ u16 gpd_locks; /** * Stacked DPO on DVR/ADJ of output interface */ dpo_id_t gpd_dpo; } gbp_policy_dpo_t; extern void gbp_policy_dpo_add_or_lock (dpo_proto_t dproto, gbp_scope_t scope, sclass_t sclass, u32 sw_if_index, dpo_id_t * dpo); extern dpo_type_t gbp_policy_dpo_get_type (void); extern vlib_node_registration_t ip4_gbp_policy_dpo_node; extern vlib_node_registration_t ip6_gbp_policy_dpo_node; extern vlib_node_registration_t gbp_policy_port_node; /** * Types exposed for the Data-plane */ extern dpo_type_t gbp_policy_dpo_type; extern gbp_policy_dpo_t *gbp_policy_dpo_pool; always_inline gbp_policy_dpo_t * gbp_policy_dpo_get (index_t index) { return (pool_elt_at_index (gbp_policy_dpo_pool, index)); } static_always_inline const gbp_policy_dpo_t * gbp_classify_get_gpd (const ip4_address_t * ip4, const ip6_address_t * ip6, const u32 fib_index) { const gbp_policy_dpo_t *gpd; const dpo_id_t *dpo; const load_balance_t *lb; u32 lbi; if (ip4) lbi = ip4_fib_forwarding_lookup (fib_index, ip4); else if (ip6) lbi = ip6_fib_table_fwding_lookup (fib_index, ip6); else return 0; lb = load_balance_get (lbi); dpo = load_balance_get_bucket_i (lb, 0); if (dpo->dpoi_type != gbp_policy_dpo_type) return 0; gpd = gbp_policy_dpo_get (dpo->dpoi_index); return gpd; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */ #endif