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bootp support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-06-24 20:35:25 +02:00
parent 4700d08bb4
commit 8b51fd98b9
12 changed files with 360 additions and 91 deletions
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69
grub-core/net/ip.c
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@ -25,9 +25,9 @@ ipchksum (void *ipv, int len)
}
grub_err_t
grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
const grub_net_network_level_address_t *target,
struct grub_net_buff *nb)
grub_net_send_ip_packet (struct grub_net_network_level_interface * inf,
const grub_net_network_level_address_t * target,
struct grub_net_buff * nb)
{
struct iphdr *iph;
static int id = 0x2400;
@ -54,43 +54,58 @@ grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
err = grub_net_arp_resolve (inf, target, &ll_target_addr);
if (err)
return err;
return send_ethernet_packet (inf, nb, ll_target_addr, GRUB_NET_ETHERTYPE_IP);
return send_ethernet_packet (inf, nb, ll_target_addr,
GRUB_NET_ETHERTYPE_IP);
}
/*
static int
ip_filter (struct grub_net_buff *nb)
grub_err_t
grub_net_recv_ip_packets (struct grub_net_buff * nb,
const struct grub_net_card * card,
const grub_net_link_level_address_t * hwaddress)
{
struct iphdr *iph = (struct iphdr *) nb->data;
grub_err_t err;
struct grub_net_network_level_interface *inf;
if (nb->end - nb->data < (signed) sizeof (*iph))
return 0;
if (iph->protocol != 0x11 ||
iph->dest != inf->address.ipv4)
return 0;
grub_netbuff_pull (nb, sizeof (iph));
err = grub_net_put_packet (&inf->nl_pending, nb);
err = grub_netbuff_pull (nb, sizeof (*iph));
if (err)
return err;
FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
{
if (inf->card == card
&& inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4
&& inf->address.ipv4 == iph->dest
&& grub_net_hwaddr_cmp (&inf->hwaddress, hwaddress) == 0)
break;
}
if (!inf)
{
grub_print_error ();
return 0;
FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
if (inf->card == card
&& inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC
&& grub_net_hwaddr_cmp (&inf->hwaddress, hwaddress) == 0)
break;
}
if (!inf)
{
if (iph->protocol == IP_UDP
&& grub_net_hwaddr_cmp (&card->default_address, hwaddress) == 0)
{
struct udphdr *udph;
udph = (struct udphdr *) nb->data;
grub_netbuff_pull (nb, sizeof (*udph));
if (grub_be_to_cpu16 (udph->dst) == 68)
grub_net_process_dhcp (nb, card);
}
grub_netbuff_free (nb);
return GRUB_ERR_NONE;
}
return 1;
}
*/
grub_err_t
grub_net_recv_ip_packets (struct grub_net_buff *nb)
{
struct iphdr *iph = (struct iphdr *) nb->data;
grub_netbuff_pull (nb, sizeof (*iph));
switch (iph->protocol)
{
case IP_UDP:
return grub_net_recv_udp_packet (nb);
return grub_net_recv_udp_packet (nb, inf);
break;
default:
grub_netbuff_free (nb);