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Network code specific for ieee1275 machines.

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Used to parse BOOTP packet from the server and use write/read on the network card.
May be removed later.
This commit is contained in:
Manoel R. Abranches 2010-06-21 19:20:55 -03:00
parent 60cdb895da
commit 8c599704a7
7 changed files with 144 additions and 65 deletions
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120
net/ieee1275/interface.c
View file

@ -1,55 +1,21 @@
#include <grub/net/ieee1275/interface.h>
#include <grub/time.h>
#include <grub/mm.h>
grub_uint32_t get_server_ip (void)
{
return bootp_pckt->siaddr;
}
grub_uint32_t get_client_ip (void)
{
return bootp_pckt->yiaddr;
}
grub_uint8_t* get_server_mac (void)
{
grub_uint8_t *mac;
mac = grub_malloc (6 * sizeof(grub_uint8_t));
mac[0] = 0x00 ;
mac[1] = 0x11 ;
mac[2] = 0x25 ;
mac[3] = 0xca ;
mac[4] = 0x1f ;
mac[5] = 0x01 ;
return mac;
}
grub_uint8_t* get_client_mac (void)
{
grub_uint8_t *mac;
mac = grub_malloc (6 * sizeof (grub_uint8_t));
mac[0] = 0x0a ;
mac[1] = 0x11 ;
mac[2] = 0xbd ;
mac[3] = 0xe3 ;
mac[4] = 0xe3 ;
mac[5] = 0x04 ;
return mac;
}
#include <grub/net/ethernet.h>
#include <grub/net/ip.h>
#include <grub/net/arp.h>
#include <grub/net/netbuff.h>
#include <grub/ieee1275/ofnet.h>
static grub_ieee1275_ihandle_t handle;
int card_open (void)
{
grub_ieee1275_open (grub_net->dev , &handle);
return 1;//error
return 0;
}
int card_close (void)
{
@ -59,22 +25,74 @@ int card_close (void)
}
int send_card_buffer (void *buffer,int buff_len)
int send_card_buffer (struct grub_net_buff *pack)
{
int actual;
grub_ieee1275_write (handle,buffer,buff_len,&actual);
int actual;
//grub_printf("packet size transmited: %d\n",pack->tail - pack->data);
grub_ieee1275_write (handle,pack->data,pack->tail - pack->data,&actual);
// grub_printf("actual transmited %d\n",actual);
return actual;
}
int get_card_buffer (void *buffer,int buff_len)
int get_card_packet (struct grub_net_buff *pack __attribute__ ((unused)))
{
int actual;
int actual;
char *datap;
struct iphdr *iph;
struct etherhdr *eth;
struct arphdr *arph;
pack->data = pack->tail = pack->head;
datap = pack->data;
do
{
grub_ieee1275_read (handle,datap,sizeof (*eth),&actual);
// if (actual <= 0)
// grub_millisleep(10);
grub_ieee1275_read (handle,buffer,buff_len,&actual);
return actual;
}while (actual <= 0);
eth = (struct etherhdr *) datap;
datap += sizeof(*eth);
// grub_printf("ethernet eth->dst %x:%x:%x:%x:%x:%x\n",eth->dst[0],
// eth->dst[1],eth->dst[2],eth->dst[3],eth->dst[4],eth->dst[5]);
// grub_printf("ethernet eth->src %x:%x:%x:%x:%x:%x\n",eth->src[0],eth->src[1],
// eth->src[2],eth->src[3],eth->src[4],eth->src[5]);
// grub_printf ("eth.type 0x%x\n",eth->type);
switch (eth->type)
{
case 0x806:
grub_ieee1275_read (handle,datap,sizeof (*arph),&actual);
arph = (struct arphdr *) datap;
grub_netbuff_put (pack,sizeof (*eth) + sizeof (*arph));
break;
case 0x800:
grub_ieee1275_read (handle,datap,sizeof (*iph),&actual);
iph = (struct iphdr *) datap;
datap += sizeof(*iph);
// grub_printf("ip.src 0x%x\n",iph->src);
// grub_printf("ip.dst 0x%x\n",iph->dest);
// grub_printf("ip.len 0x%x\n",iph->len);
// grub_printf("ip.protocol 0x%x\n",iph->protocol);
grub_ieee1275_read (handle,datap,iph->len - sizeof (*iph),&actual);
grub_netbuff_put (pack,sizeof (*eth) + iph->len);
break;
case 0x86DD:
grub_printf("Ipv6 not yet implemented.\n");
break;
default:
grub_printf("Unknow packet %x\n",eth->type);
break;
}
// grub_printf("packsize %d\n",pack->tail - pack->data);
return 0;// sizeof (eth) + iph.len;
}