/**
* Called from net_loop in net/net.c before each packet
*/
void nc_start(void)
{
refresh_settings_from_env();
if (!output_packet_len || memcmp(nc_ether, net_null_ethaddr, 6)) {
/* going to check for input packet */
net_set_udp_handler(nc_handler);
net_set_timeout_handler(net_timeout, nc_timeout_handler);
} else {
/* send arp request */
uchar *pkt;
net_set_arp_handler(nc_wait_arp_handler);
pkt = (uchar *)net_tx_packet + net_eth_hdr_size() +
IP_UDP_HDR_SIZE;
memcpy(pkt, output_packet, output_packet_len);
net_send_udp_packet(nc_ether, nc_ip, nc_out_port, nc_in_port,
output_packet_len);
}
}
void BootmeStart(void)
{
if (bootme_state != BOOTME_DOWNLOAD)
check_net_config();
if (output_packet_len == 0 ||
memcmp(bootme_ether, NetEtherNullAddr, ETH_ALEN) != 0) {
/* wait for incoming packet */
net_set_udp_handler(bootme_handler);
bootme_timed_out = 0;
NetSetTimeout(bootme_timeout, bootme_timeout_handler);
} else {
/* send ARP request */
uchar *pkt;
net_set_arp_handler(bootme_wait_arp_handler);
assert(NetTxPacket != NULL);
pkt = (uchar *)NetTxPacket + NetEthHdrSize() + IP_UDP_HDR_SIZE;
memcpy(pkt, output_packet, output_packet_len);
NetSendUDPPacket(bootme_ether, bootme_ip, bootme_dst_port,
bootme_src_port, output_packet_len);
}
}
static void net_clear_handlers(void)
{
net_set_udp_handler(NULL);
net_set_arp_handler(NULL);
net_set_timeout_handler(0, NULL);
}
static void net_clear_handlers(void)
{
net_set_udp_handler(NULL);
net_set_arp_handler(NULL);
NetSetTimeout(0, NULL);
}
