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/*
* Copyright (c) 2013 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 included_vnet_l2_emulation_h
#define included_vnet_l2_emulation_h
#include <vlib/vlib.h>
#include <vnet/vnet.h>
/**
* Per-interface L2 configuration
*/
typedef struct l2_emulation_t_
{
/**
* Enabled or Disabled.
* this is required since one L3 protocl can be enabled, but others not
*/
u8 enabled;
} l2_emulation_t;
/**
* per-packet trace data
*/
typedef struct l2_emulation_trace_t_
{
/* per-pkt trace data */
u8 extracted;
} l2_emulation_trace_t;
/**
* Grouping of global data for the L2 emulation feature
*/
typedef struct l2_emulation_main_t_
{
u16 msg_id_base;
u32 l2_emulation_node_index;
/**
* Per-interface vector of emulation configs
*/
l2_emulation_t *l2_emulations;
/**
* Next nodes for L2 output features
*/
u32 l2_input_feat_next[32];
} l2_emulation_main_t;
/**
* L2 Emulation is a feautre that is applied to L2 ports to 'extract'
* IP packets from the L2 path and inject them into the L3 path (i.e.
* into the appropriate ip[4|6]_input node).
* L3 routes in the table_id for that interface should then be configured
* as DVR routes, therefore the forwarded packet has the L2 header
* preserved and togehter the L3 routed system behaves like an L2 bridge.
*/
extern void l2_emulation_enable (u32 sw_if_index);
extern void l2_emulation_disable (u32 sw_if_index);
extern l2_emulation_main_t l2_emulation_main;
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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