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/*
* Copyright (c) 2015 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_hdlc_packet_h
#define included_vnet_hdlc_packet_h
/*
* HDLC packet format
*
* Copyright (c) 2009 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#define foreach_hdlc_protocol \
_ (0x0800, ip4) \
_ (0x2000, cdp) \
_ (0x8035, slarp) \
_ (0x8847, mpls_unicast) \
_ (0x8848, mpls_multicast) \
_ (0x86dd, ip6) \
_ (0xfefe, osi)
typedef enum {
#define _(n,f) HDLC_PROTOCOL_##f = n,
foreach_hdlc_protocol
#undef _
} hdlc_protocol_t;
typedef struct {
/* Set to 0x0f for unicast; 0x8f for broadcast. */
u8 address;
/* Always zero. */
u8 control;
/* Layer 3 protocol for this packet. */
u16 protocol;
/* Layer 3 payload. */
u8 payload[0];
} hdlc_header_t;
#endif /* included_vnet_hdlc_packet_h */
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