/*
* Attach a network card to the system.
*
* This function is called by a hardware driver ("card") after it has
* finished initializing itself, to link itself to the platform support
* modules.
*/
void
network_attach(void *dev, uint8_t *mac, NETRXCB rx)
{
if (network_card == 0) return;
/* Save the card's info. */
net_cards[network_card].priv = dev;
net_cards[network_card].rx = rx;
network_mac = mac;
/* Create the network events. */
poll_data.wake_poll_thread = thread_create_event();
poll_data.poll_complete = thread_create_event();
/* Activate the platform module. */
switch(network_type) {
case NET_TYPE_PCAP:
(void)net_pcap_reset(&net_cards[network_card], network_mac);
break;
case NET_TYPE_SLIRP:
(void)net_slirp_reset(&net_cards[network_card], network_mac);
break;
}
}
void sound_init()
{
initalmain(0,NULL);
inital();
outbuffer = malloc(SOUNDBUFLEN * 2 * sizeof(int16_t));
sound_cd_event = thread_create_event();
sound_cd_thread_h = thread_create(sound_cd_thread, NULL);
}
/* Handle the receiving of frames from the channel. */
static void
poll_thread(void *arg)
{
uint8_t *mac = (uint8_t *)arg;
const uint8_t *data = NULL;
struct pcap_pkthdr h;
uint32_t mac_cmp32[2];
uint16_t mac_cmp16[2];
event_t *evt;
pclog("PCAP: polling thread started, arg %08lx\n", arg);
/* Create a waitable event. */
evt = thread_create_event();
/* As long as the channel is open.. */
while (pcap != NULL) {
/* Wait for the next packet to arrive. */
data = f_pcap_next(pcap, &h);
if (data != NULL) {
/* Received MAC. */
mac_cmp32[0] = *(uint32_t *)(data+6);
mac_cmp16[0] = *(uint16_t *)(data+10);
/* Local MAC. */
mac_cmp32[1] = *(uint32_t *)mac;
mac_cmp16[1] = *(uint16_t *)(mac+4);
if ((mac_cmp32[0] != mac_cmp32[1]) ||
(mac_cmp16[0] != mac_cmp16[1])) {
if (poll_rx != NULL)
poll_rx(poll_arg, (uint8_t *)data, h.caplen);
} else {
/* Mark as invalid packet. */
data = NULL;
}
}
/* If we did not get anything, wait a while. */
if (data == NULL)
thread_wait_event(evt, 10);
}
thread_destroy_event(evt);
poll_tid = NULL;
pclog("PCAP: polling stopped.\n");
}