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Implement the size field.

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This commit is contained in:
Manoel R. Abranches 2010-07-29 18:17:01 -03:00
parent 17ef14c916
commit 7c978f0690
2 changed files with 58 additions and 31 deletions
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24
include/grub/net/ethernet.h
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@ -1,11 +1,31 @@
#ifndef GRUB_NET_ETHERNET_HEADER
#define GRUB_NET_ETHERNET_HEADER 1
#include <grub/misc.h>
struct etherhdr {
#define LLCADDRMASK 0x7f
struct etherhdr
{
grub_uint8_t dst[6];
grub_uint8_t src[6];
grub_uint16_t type;
} __attribute__ ((packed)) ;
} __attribute__ ((packed));
#define PCP (x) x & 0xe000
#define CFI (x) x & 0x1000
#define VID (x) x & 0x0fff
struct llchdr
{
grub_uint8_t dsap;
grub_uint8_t ssap;
grub_uint8_t ctrl;
} __attribute__ ((packed));
struct snaphdr
{
grub_uint8_t oui[3];
grub_uint16_t type;
} __attribute__ ((packed));
void ethernet_ini(void);
void ethernet_fini(void);