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Vector Packet Processing
packet.h
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1 /*
2  * packet.h : L2TPv3 packet header format
3  *
4  * Copyright (c) 2013 Cisco and/or its affiliates.
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef __included_l2tp_packet_h__
19 #define __included_l2tp_packet_h__
20 
21 /*
22  * See RFC4719 for packet format.
23  * Note: the l2_specific_sublayer is present in current Linux l2tpv3
24  * tunnels. It is not present in IOS XR l2tpv3 tunnels.
25  * The Linux implementation is almost certainly wrong.
26  */
27 /* *INDENT-OFF* */
28 typedef CLIB_PACKED (struct
29 {
30  u32 session_id;
31  u64 cookie; u32
32  l2_specific_sublayer; /* set to 0 (if present) */
33 }) l2tpv3_header_t;
34 /* *INDENT-ON* */
35 
36 #endif /* __included_l2tp_packet_h__ */
37 
38 /*
39  * fd.io coding-style-patch-verification: ON
40  *
41  * Local Variables:
42  * eval: (c-set-style "gnu")
43  * End:
44  */
u64
unsigned long u64
Definition: types.h:89
u32
unsigned int u32
Definition: types.h:88
session_id
u16 session_id
Definition: gre.api:50
CLIB_PACKED
typedef CLIB_PACKED(struct { u8 b_dst_address[6];u8 b_src_address[6];u16 b_type;u16 priority_dei_id;u16 i_type;u32 priority_dei_uca_res_sid;}) ethernet_pbb_header_packed_t