3be9164f80
Type: improvement Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Benoît Ganne <bganne@cisco.com> Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*
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* Copyright (c) 2013 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef included_vnet_l2_emulation_h
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#define included_vnet_l2_emulation_h
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#include <vlib/vlib.h>
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#include <vnet/vnet.h>
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/**
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* Per-interface L2 configuration
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*/
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typedef struct l2_emulation_t_
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{
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/**
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* Enabled or Disabled.
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* this is required since one L3 protocl can be enabled, but others not
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*/
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u8 enabled;
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} l2_emulation_t;
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/**
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* per-packet trace data
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*/
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typedef struct l2_emulation_trace_t_
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{
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/* per-pkt trace data */
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u8 extracted;
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} l2_emulation_trace_t;
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/**
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* Grouping of global data for the L2 emulation feature
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*/
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typedef struct l2_emulation_main_t_
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{
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u16 msg_id_base;
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u32 l2_emulation_node_index;
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/**
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* Per-interface vector of emulation configs
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*/
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l2_emulation_t *l2_emulations;
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/**
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* Next nodes for L2 output features
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*/
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u32 l2_input_feat_next[32];
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} l2_emulation_main_t;
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/**
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* L2 Emulation is a feautre that is applied to L2 ports to 'extract'
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* IP packets from the L2 path and inject them into the L3 path (i.e.
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* into the appropriate ip[4|6]_input node).
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* L3 routes in the table_id for that interface should then be configured
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* as DVR routes, therefore the forwarded packet has the L2 header
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* preserved and togehter the L3 routed system behaves like an L2 bridge.
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*/
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extern void l2_emulation_enable (u32 sw_if_index);
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extern void l2_emulation_disable (u32 sw_if_index);
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extern l2_emulation_main_t l2_emulation_main;
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#endif
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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