void
putchar(int x)
{
char c = x;
if (apbus)
apcall_write(1, &c, 1);
else
rom_write(1, &c, 1);
}
/*
* Send a packet. The ether header is already there.
* Return the length sent (or -1 on error).
*/
ssize_t
netif_put(struct iodesc *desc, void *pkt, size_t len)
{
struct romdev *pd;
ssize_t rv;
size_t sendlen;
pd = (struct romdev *)desc->io_netif;
#ifdef NETIF_DEBUG
if (netif_debug) {
struct ether_header *eh;
printf("netif_put: desc=0x%x pkt=0x%x len=%d\n",
desc, pkt, len);
eh = pkt;
printf("dst: %s ", ether_sprintf(eh->ether_dhost));
printf("src: %s ", ether_sprintf(eh->ether_shost));
printf("type: 0x%x\n", eh->ether_type & 0xFFFF);
}
#endif
sendlen = len;
if (sendlen < 60) {
sendlen = 60;
#ifdef NETIF_DEBUG
printf("netif_put: length padded to %d\n", sendlen);
#endif
}
rv = apcall_write(pd->fd, pkt, sendlen);
#ifdef NETIF_DEBUG
if (netif_debug)
printf("netif_put: xmit returned %d\n", rv);
#endif
return rv;
}