92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
#include <grub/net/ieee1275/interface.h>
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#include <grub/time.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/netbuff.h>
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#include <grub/ieee1275/ofnet.h>
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static grub_ieee1275_ihandle_t handle;
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int card_open (void)
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{
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grub_ieee1275_open (grub_net->dev , &handle);
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return 0;
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}
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int card_close (void)
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{
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if (handle)
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grub_ieee1275_close (handle);
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return 0;
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}
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int send_card_buffer (struct grub_net_buff *pack)
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{
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int actual;
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grub_ieee1275_write (handle,pack->data,pack->tail - pack->data,&actual);
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return actual;
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}
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int get_card_packet (struct grub_net_buff *pack __attribute__ ((unused)))
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{
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int actual;
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char *datap;
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struct iphdr *iph;
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struct etherhdr *eth;
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struct arphdr *arph;
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struct ip6hdr *ip6h;
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pack->data = pack->tail = pack->head;
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datap = pack->data;
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do
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{
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grub_ieee1275_read (handle,datap,sizeof (*eth),&actual);
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}while (actual <= 0);
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eth = (struct etherhdr *) datap;
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datap += sizeof(*eth);
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switch (eth->type)
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{
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case 0x806:
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grub_ieee1275_read (handle,datap,sizeof (*arph),&actual);
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arph = (struct arphdr *) datap;
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grub_netbuff_put (pack,sizeof (*eth) + sizeof (*arph));
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break;
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case 0x800:
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grub_ieee1275_read (handle,datap,sizeof (*iph),&actual);
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iph = (struct iphdr *) datap;
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datap += sizeof(*iph);
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grub_ieee1275_read (handle,datap,iph->len - sizeof (*iph),&actual);
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grub_netbuff_put (pack,sizeof (*eth) + iph->len);
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break;
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case 0x86DD:
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grub_ieee1275_read (handle,datap,sizeof (*ip6h),&actual);
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ip6h = (struct ip6hdr *) datap;
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datap += sizeof(*ip6h);
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grub_ieee1275_read (handle,datap,ip6h->payload_len - sizeof (*ip6h),&actual);
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break;
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default:
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grub_printf("Unknow packet %x\n",eth->type);
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break;
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}
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// grub_printf("packsize %d\n",pack->tail - pack->data);
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return 0;// sizeof (eth) + iph.len;
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}
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