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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3901 | mejdrech | 1 | /* |
| 2 | * Copyright (c) 2008 Lukas Mejdrech |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup net |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 34 | */ |
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| 35 | |||
| 36 | #ifndef __NET_PACKET_HEADER_H__ |
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| 37 | #define __NET_PACKET_HEADER_H__ |
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| 38 | |||
| 39 | #include <ipc/services.h> |
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| 40 | |||
| 41 | #include "packet.h" |
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| 42 | |||
| 43 | #define PACKET_MAGIC_VALUE 0x11227788 |
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| 44 | |||
| 45 | struct packet{ |
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| 46 | packet_id_t packet_id; |
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| 47 | services_t owner; |
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| 48 | packet_mode_t mode; |
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| 49 | int order; |
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| 50 | size_t metric; |
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| 51 | packet_id_t previous; |
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| 52 | packet_id_t next; |
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| 53 | size_t length; |
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| 54 | size_t addr_len; |
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| 55 | size_t src_addr; |
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| 56 | size_t dest_addr; |
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| 57 | size_t max_prefix; |
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| 58 | size_t max_content; |
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| 59 | size_t data_start; |
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| 60 | size_t data_end; |
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| 61 | int magic_value; |
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| 62 | }; |
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| 63 | |||
| 64 | static inline int packet_is_valid( const packet_t packet ){ |
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| 65 | return packet && ( packet->magic_value == PACKET_MAGIC_VALUE ); |
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| 66 | } |
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| 67 | |||
| 68 | #endif |
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| 69 | |||
| 70 | /** @} |
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| 71 | */ |