From cb9cadad578297ffd78fa8a33670bdf1ab669e7e Mon Sep 17 00:00:00 2001 From: Ed Warnicke Date: Tue, 8 Dec 2015 15:45:58 -0700 Subject: Initial commit of vpp code. Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17 Signed-off-by: Ed Warnicke --- vnet/vnet/l2tp/packet.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 vnet/vnet/l2tp/packet.h (limited to 'vnet/vnet/l2tp/packet.h') diff --git a/vnet/vnet/l2tp/packet.h b/vnet/vnet/l2tp/packet.h new file mode 100644 index 00000000000..88acba41d4b --- /dev/null +++ b/vnet/vnet/l2tp/packet.h @@ -0,0 +1,33 @@ +/* + * 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__ */ -- cgit 1.2.3-korg