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/*
* packet.h : L2TPv3 packet header format
*
* 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_l2tp_packet_h__
#define __included_l2tp_packet_h__
/*
* See RFC4719 for packet format.
* Note: the l2_specific_sublayer is present in current Linux l2tpv3
* tunnels. It is not present in IOS XR l2tpv3 tunnels.
* The Linux implementation is almost certainly wrong.
*/
typedef CLIB_PACKED(struct {
u32 session_id;
u64 cookie;
u32 l2_specific_sublayer; /* set to 0 (if present) */
}) l2tpv3_header_t;
#endif /* __included_l2tp_packet_h__ */
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