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Merge grub_net into net. Compiles but is broken right now.

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This commit is contained in:
Manoel R. Abranches 2010-09-16 21:57:31 +02:00 • committed by Vladimir 'phcoder' Serbinenko
commit 7bb47706c9
30 changed files with 1544 additions and 24 deletions
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70
grub-core/net/ethernet.c Normal file
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#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/net/ethernet.h>
#include <grub/net/ip.h>
#include <grub/net/arp.h>
#include <grub/net/netbuff.h>
#include <grub/net/interface.h>
#include <grub/net.h>
#include <grub/time.h>
#include <grub/net/arp.h>
grub_err_t
send_ethernet_packet (struct grub_net_network_level_interface *inf,
struct grub_net_buff *nb,
grub_net_link_level_address_t target_addr,
grub_uint16_t ethertype)
{
struct etherhdr *eth;
grub_netbuff_push (nb,sizeof(*eth));
eth = (struct etherhdr *) nb->data;
grub_memcpy(eth->dst, target_addr.mac, 6);
grub_memcpy(eth->src, inf->hwaddress.mac, 6);
eth->type = grub_cpu_to_be16 (ethertype);
return inf->card->driver->send (inf->card,nb);
}
grub_err_t
grub_net_recv_ethernet_packet (struct grub_net_network_level_interface *inf,
struct grub_net_buff *nb,
grub_uint16_t ethertype)
{
struct etherhdr *eth;
struct llchdr *llch;
struct snaphdr *snaph;
grub_uint16_t type;
inf->card->driver->recv (inf->card, nb);
eth = (struct etherhdr *) nb->data;
type = eth->type;
grub_netbuff_pull(nb,sizeof (*eth));
if (eth->type <=1500)
{
llch = (struct llchdr *) nb->data;
type = llch->dsap & LLCADDRMASK;
if (llch->dsap == 0xaa && llch->ssap == 0xaa && llch->ctrl == 0x3)
{
grub_netbuff_pull (nb,sizeof(*llch));
snaph = (struct snaphdr *) nb->data;
type = snaph->type;
}
}
/* ARP packet */
if (type == ARP_ETHERTYPE)
{
grub_net_arp_receive(inf, nb);
if (ethertype == ARP_ETHERTYPE)
return GRUB_ERR_NONE;
}
/* IP packet */
else if(type == IP_ETHERTYPE && ethertype == IP_ETHERTYPE)
return GRUB_ERR_NONE;
return GRUB_ERR_NONE;
}