/* * 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_RECIRC_H__ #define __GBP_RECIRC_H__ #include <plugins/gbp/gbp_types.h> #include <plugins/gbp/gbp_itf.h> #include <vnet/fib/fib_types.h> /** * A GBP recirculation interface representation * Thes interfaces join Bridge domains that are internal to those that are * NAT external, so the packets can be NAT translated and then undergo the * whole policy process again. */ typedef struct gpb_recirc_t_ { /** * EPG ID that packets will classify to when they arrive on this recirc */ sclass_t gr_sclass; /** * The index of the EPG */ index_t gr_epgi; /** * FIB indices the EPG is mapped to */ u32 gr_fib_index[DPO_PROTO_NUM]; /** * Is the interface for packets post-NAT translation (i.e. ext) * or pre-NAT translation (i.e. internal) */ u8 gr_is_ext; /** */ u32 gr_sw_if_index; gbp_itf_hdl_t gr_itf; /** * The endpoint created to represent the reric interface */ index_t gr_ep; } gbp_recirc_t; extern int gbp_recirc_add (u32 sw_if_index, sclass_t sclass, u8 is_ext); extern int gbp_recirc_delete (u32 sw_if_index); typedef walk_rc_t (*gbp_recirc_cb_t) (gbp_recirc_t * gbpe, void *ctx); extern void gbp_recirc_walk (gbp_recirc_cb_t bgpe, void *ctx); /** * Data plane functions */ extern gbp_recirc_t *gbp_recirc_pool; extern index_t *gbp_recirc_db; always_inline gbp_recirc_t * gbp_recirc_get (u32 sw_if_index) { return (pool_elt_at_index (gbp_recirc_pool, gbp_recirc_db[sw_if_index])); } #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */