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58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#ifndef GRUB_NET_ETHERNET_HEADER
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#define GRUB_NET_ETHERNET_HEADER 1
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#include <grub/types.h>
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#include <grub/net.h>
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#define LLCADDRMASK 0x7f
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struct etherhdr
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{
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grub_uint8_t dst[6];
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grub_uint8_t src[6];
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grub_uint16_t type;
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} __attribute__ ((packed));
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#define PCP(x) x & 0xe000
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#define CFI(x) x & 0x1000
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#define VID(x) x & 0x0fff
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#define PRINT_ETH_ADDR(name,addr) grub_printf("%s %x:%x:%x:%x:%x:%x\n",\
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name,\
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addr[0],\
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addr[1],\
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addr[2],\
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addr[3],\
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addr[4],\
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addr[5]\
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)
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struct llchdr
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{
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grub_uint8_t dsap;
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grub_uint8_t ssap;
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grub_uint8_t ctrl;
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} __attribute__ ((packed));
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struct snaphdr
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{
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grub_uint8_t oui[3];
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grub_uint16_t type;
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} __attribute__ ((packed));
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/* IANA Ethertype */
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enum
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{
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GRUB_NET_ETHERTYPE_IP = 0x0800,
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GRUB_NET_ETHERTYPE_ARP = 0x0806
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};
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grub_err_t
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send_ethernet_packet (struct grub_net_network_level_interface *inf,
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struct grub_net_buff *nb,
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grub_net_link_level_address_t target_addr,
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grub_uint16_t ethertype);
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grub_err_t
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grub_net_recv_ethernet_packet (struct grub_net_buff *nb);
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#endif
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