| 1 | /* |
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| 2 | * Copyright (C) 2004, 2005 Mike Wray <mike.wray@hp.com> |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by the |
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| 6 | * Free Software Foundation; either version 2 of the License, or (at your |
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| 7 | * option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, but |
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| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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| 11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 12 | * for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License along |
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| 15 | * with this program; if not, write to the Free software Foundation, Inc., |
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| 16 | * 59 Temple Place, suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | */ |
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| 19 | #ifndef _VNET_IF_ETHERIP_H_ |
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| 20 | #define _VNET_IF_ETHERIP_H_ |
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| 21 | |
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| 22 | #ifdef __KERNEL__ |
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| 23 | #include <asm/byteorder.h> |
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| 24 | #else |
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| 25 | #define __KERNEL__ |
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| 26 | /* This include may cause a compile warning, which can be ignored. |
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| 27 | * Can't use <endian.h> because it doesn't define |
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| 28 | *__LITTLE_ENDIAN_BITFIELD or __BIG_ENDIAN_BITFIELD. |
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| 29 | */ |
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| 30 | #include <asm/byteorder.h> |
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| 31 | #undef __KERNEL__ |
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| 32 | #endif |
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| 33 | |
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| 34 | #include <if_varp.h> |
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| 35 | |
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| 36 | #define CONFIG_ETHERIP_EXT |
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| 37 | |
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| 38 | #ifdef CONFIG_ETHERIP_EXT |
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| 39 | |
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| 40 | /* Extended header with room for a longer vnet id. */ |
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| 41 | |
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| 42 | #define ETHERIP_VERSION 4 |
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| 43 | |
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| 44 | struct etheriphdr { |
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| 45 | #if defined(__LITTLE_ENDIAN_BITFIELD) |
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| 46 | __u16 reserved:12, |
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| 47 | version:4; |
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| 48 | #elif defined (__BIG_ENDIAN_BITFIELD) |
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| 49 | __u16 version:4, |
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| 50 | reserved:12; |
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| 51 | #else |
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| 52 | #error "Adjust your <asm/byteorder.h> defines" |
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| 53 | #endif |
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| 54 | __u8 vnet[VNETID_SIZE8]; |
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| 55 | } __attribute__ ((packed)); |
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| 56 | |
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| 57 | #else |
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| 58 | |
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| 59 | /* Original header as in Etherip RFC. */ |
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| 60 | |
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| 61 | #define ETHERIP_VERSION 3 |
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| 62 | |
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| 63 | struct etheriphdr |
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| 64 | { |
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| 65 | #if defined(__LITTLE_ENDIAN_BITFIELD) |
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| 66 | __u16 reserved:12, |
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| 67 | version:4; |
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| 68 | #elif defined (__BIG_ENDIAN_BITFIELD) |
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| 69 | __u16 version:4, |
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| 70 | reserved:12; |
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| 71 | #else |
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| 72 | #error "Adjust your <asm/byteorder.h> defines" |
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| 73 | #endif |
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| 74 | |
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| 75 | }; |
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| 76 | #endif |
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| 77 | |
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| 78 | |
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| 79 | #ifndef IPPROTO_ETHERIP |
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| 80 | #define IPPROTO_ETHERIP 97 |
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| 81 | #endif |
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| 82 | |
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| 83 | #endif /* ! _VNET_IF_ETHERIP_H_ */ |
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