89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/net/ethernet.h>
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#include <grub/net/ip.h>
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#include <grub/net/arp.h>
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#include <grub/net/ieee1275/interface.h>
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#include <grub/net/netbuff.h>
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#include <grub/net/interface.h>
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#include <grub/net.h>
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static grub_err_t
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send_ethernet_packet (struct grub_net_network_layer_interface *inf __attribute__ ((unused)),
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struct grub_net_network_link_interface *net_link_inf __attribute__ ((unused)) ,struct grub_net_buff *nb)
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{
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struct etherhdr *eth;
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grub_netbuff_push (nb,sizeof(*eth));
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eth = (struct etherhdr *) nb->data;
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eth->dst[0] =0x00;
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eth->dst[1] =0x11;
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eth->dst[2] =0x25;
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eth->dst[3] =0xca;
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eth->dst[4] =0x1f;
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eth->dst[5] =0x01;
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eth->src[0] =0x0a;
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eth->src[1] =0x11;
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eth->src[2] =0xbd;
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eth->src[3] =0xe3;
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eth->src[4] =0xe3;
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eth->src[5] =0x04;
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eth->type = 0x0800;
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return send_card_buffer(nb);
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// return inf->card->driver->send(inf->card,nb);
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}
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static grub_err_t
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recv_ethernet_packet (struct grub_net_network_layer_interface *inf __attribute__ ((unused)),
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struct grub_net_network_link_interface *net_link_inf __attribute__ ((unused)) ,struct grub_net_buff *nb)
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{
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struct etherhdr *eth;
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while (1)
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{
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get_card_packet (nb);
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eth = (struct etherhdr *) nb->data;
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/*change for grub_memcmp*/
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if( eth->src[0] == 0x00 && eth->src[1] == 0x11 && eth->src[2] == 0x25 &&
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eth->src[3] == 0xca && eth->src[4] == 0x1f && eth->src[5] == 0x01 && eth->type == 0x800)
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{
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//grub_printf("ethernet eth->dst %x:%x:%x:%x:%x:%x\n",eth->dst[0],
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// eth->dst[1],eth->dst[2],eth->dst[3],eth->dst[4],eth->dst[5]);
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// grub_printf("ethernet eth->src %x:%x:%x:%x:%x:%x\n",eth->src[0],eth->src[1],
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// eth->src[2],eth->src[3],eth->src[4],eth->src[5]);
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//grub_printf("ethernet eth->type 0x%x\n",eth->type);
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//grub_printf("out from ethernet\n");
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grub_netbuff_pull(nb,sizeof(*eth));
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return 0;
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}
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}
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/* - get ethernet header
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- verify if the next layer is the desired one.
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- if not. get another packet.
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- remove ethernet header from buffer*/
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return 0;
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}
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static struct grub_net_link_layer_protocol grub_ethernet_protocol =
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{
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.name = "ethernet",
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.id = GRUB_NET_ETHERNET_ID,
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.send = send_ethernet_packet,
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.recv = recv_ethernet_packet
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};
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void ethernet_ini(void)
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{
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grub_net_link_layer_protocol_register (&grub_ethernet_protocol);
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}
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void ethernet_fini(void)
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{
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grub_net_link_layer_protocol_unregister (&grub_ethernet_protocol);
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}
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