int main(int argc, char* argv[])
{
int sockfd;
unsigned char src[ETH_ADDR_LEN];
// htons(proto) jako 3 argument ??
if ( (sockfd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL /*ETH_TYPE_IP6 */))) < 0 ) {
printf("Error: could not open a socket.\n");
return -1;
}
int ifindex = 0;
if ( get_hardware_info(&ifindex, src, sockfd) < 0 ) {
printf("Error getting host's data\n");
return -1;
}
uint16_t src_ipaddr[IPV6_ADDR_LEN] = { 0xfe80, 0x0, 0xa00, 0x27ff, 0xfe5c, 0x2c16, 0x0, 0x0 };
void* buffer = (void*)malloc(ETH_FRAME_LEN);
int frame_len = 0;
printf("waiting for frames...\n");
while ( 1 ) {
frame_len = recvfrom(sockfd, buffer, ETH_FRAME_LEN, 0, NULL, NULL);
if (frame_len == -1) {
printf("no frame... ");
//errorhandling ....
} else {
printf("%d\n", frame_len);
union ethframe frame;
parse_eth_frame(&frame, buffer);
if ( ntohs(frame.field.header.proto) == ETH_TYPE_IP6 ) {
struct ip6_hdr iphdr;
parsed_ipv6(&frame, &iphdr);
struct icmp6_hdr icmphdr;
parsed_icmp(&frame, &icmphdr);
icmp_actions(&frame, &iphdr, &icmphdr, src_ipaddr);
}
}
}
/* get frame's data */
close(sockfd);
printf("Everything worked!\n");
return 0;
}
static int
efw_probe(struct fw_unit *unit,
const struct ieee1394_device_id *entry)
{
struct snd_card *card;
struct snd_efw *efw;
int card_index, err;
mutex_lock(&devices_mutex);
/* check registered cards */
for (card_index = 0; card_index < SNDRV_CARDS; ++card_index) {
if (!test_bit(card_index, devices_used) && enable[card_index])
break;
}
if (card_index >= SNDRV_CARDS) {
err = -ENOENT;
goto end;
}
err = snd_card_new(&unit->device, index[card_index], id[card_index],
THIS_MODULE, sizeof(struct snd_efw), &card);
if (err < 0)
goto end;
efw = card->private_data;
efw->card_index = card_index;
set_bit(card_index, devices_used);
card->private_free = efw_card_free;
efw->card = card;
efw->unit = unit;
mutex_init(&efw->mutex);
spin_lock_init(&efw->lock);
init_waitqueue_head(&efw->hwdep_wait);
/* prepare response buffer */
snd_efw_resp_buf_size = clamp(snd_efw_resp_buf_size,
SND_EFW_RESPONSE_MAXIMUM_BYTES, 4096U);
efw->resp_buf = kzalloc(snd_efw_resp_buf_size, GFP_KERNEL);
if (efw->resp_buf == NULL) {
err = -ENOMEM;
goto error;
}
efw->pull_ptr = efw->push_ptr = efw->resp_buf;
snd_efw_transaction_add_instance(efw);
err = get_hardware_info(efw);
if (err < 0)
goto error;
if (entry->model_id == MODEL_ECHO_AUDIOFIRE_9)
efw->is_af9 = true;
snd_efw_proc_init(efw);
if (efw->midi_out_ports || efw->midi_in_ports) {
err = snd_efw_create_midi_devices(efw);
if (err < 0)
goto error;
}
err = snd_efw_create_pcm_devices(efw);
if (err < 0)
goto error;
err = snd_efw_create_hwdep_device(efw);
if (err < 0)
goto error;
err = snd_efw_stream_init_duplex(efw);
if (err < 0)
goto error;
err = snd_card_register(card);
if (err < 0) {
snd_efw_stream_destroy_duplex(efw);
goto error;
}
dev_set_drvdata(&unit->device, efw);
end:
mutex_unlock(&devices_mutex);
return err;
error:
snd_efw_transaction_remove_instance(efw);
mutex_unlock(&devices_mutex);
snd_card_free(card);
return err;
}
