void NcStart (void)
{
if (!output_packet_len || memcmp (nc_ether, NetEtherNullAddr, 6)) {
/* going to check for input packet */
NetSetHandler (nc_handler);
NetSetTimeout (net_timeout, nc_timeout);
} else {
/* send arp request */
uchar *pkt;
NetSetHandler (nc_wait_arp_handler);
pkt = (uchar *) NetTxPacket + NetEthHdrSize () + IP_HDR_SIZE;
memcpy (pkt, output_packet, output_packet_len);
NetSendUDPPacket (nc_ether, nc_ip, nc_port, nc_port, output_packet_len);
}
}
void
RarpRequest (void)
{
int i;
volatile uchar *pkt;
ARP_t * rarp;
printf("RARP broadcast %d\n", ++RarpTry);
pkt = NetTxPacket;
pkt += NetSetEther(pkt, NetBcastAddr, PROT_RARP);
rarp = (ARP_t *)pkt;
rarp->ar_hrd = htons (ARP_ETHER);
rarp->ar_pro = htons (PROT_IP);
rarp->ar_hln = 6;
rarp->ar_pln = 4;
rarp->ar_op = htons (RARPOP_REQUEST);
memcpy (&rarp->ar_data[0], NetOurEther, 6); /* source ET addr */
memcpy (&rarp->ar_data[6], &NetOurIP, 4); /* source IP addr */
memcpy (&rarp->ar_data[10], NetOurEther, 6); /* dest ET addr = source ET addr ??*/
/* dest. IP addr set to broadcast */
for (i = 0; i <= 3; i++) {
rarp->ar_data[16 + i] = 0xff;
}
NetSendPacket(NetTxPacket, (pkt - NetTxPacket) + ARP_HDR_SIZE);
NetSetTimeout(TIMEOUT, RarpTimeout);
NetSetHandler(RarpHandler);
}
void
TftpStart (void)
{
struct timestamp now;
time_get(&now);
#ifdef ET_DEBUG
printf ("\nServer ethernet address %02x:%02x:%02x:%02x:%02x:%02x\n",
NetServerEther[0],
NetServerEther[1],
NetServerEther[2],
NetServerEther[3],
NetServerEther[4],
NetServerEther[5]
);
#endif /* DEBUG */
printf ("TFTP from server %s", inet_ntoa(NetServerIP));
printf ("; our IP address is %s", inet_ntoa(NetOurIP));
// Check if we need to send across this subnet
if (NetOurGatewayIP && NetOurSubnetMask) {
IPaddr_t OurNet = NetOurIP & NetOurSubnetMask;
IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask;
if (OurNet != ServerNet) {
printf ("; sending through gateway ");
print_IPaddr (NetOurGatewayIP) ;
}
}
printf("\n");
printf ("Filename '%s'.", tftp_filename);
if (NetBootFileSize) {
printf (" Size is %d%s kB => %x Bytes", NetBootFileSize/2, (NetBootFileSize%2) ? ".5" : "", NetBootFileSize<<9);
}
printf("\n");
printf ("Load address: 0x%lx\n\n", get_board_desc()->memctrl_membase);
printf ("Press Ctrl-C to abort...\n");
printf ("Loading: *\b");
NetSetTimeout (TIMEOUT * 1000, TftpTimeout);
NetSetHandler (TftpHandler);
TftpServerPort = WELL_KNOWN_PORT;
TftpTimeoutCount = 0;
TftpState = STATE_RRQ;
TftpOurPort = 1024 + (now.usec % 3072); //FIXED
TftpSend ();
}
void
DnsStart(void)
{
debug("%s\n", __func__);
NetSetTimeout(DNS_TIMEOUT, DnsTimeout);
NetSetHandler(DnsHandler);
DnsSend();
}
void
SntpStart (void)
{
debug ("%s\n", __FUNCTION__);
NetSetTimeout (SNTP_TIMEOUT, SntpTimeout);
NetSetHandler(SntpHandler);
memset (NetServerEther, 0, 6);
SntpSend ();
}
void SntpStart(void){
#ifdef DEBUG
printf("%s\n", __FUNCTION__);
#endif
NetSetTimeout(SNTP_TIMEOUT * CFG_HZ, SntpTimeout);
NetSetHandler(SntpHandler);
memset(NetServerEther, 0, 6);
SntpSend();
}
static void _tftpd_open()
{
NetSetTimeout(TIMEOUT * CFG_HZ * 2, TftpdTimeout);
NetSetHandler(TftpHandler);
TftpOurPort = PORT_TFTP;
TftpTimeoutCount = 0;
TftpState = STATE_RRQ;
TftpBlock = 0;
/* zero out server ether in case the server ip has changed */
memset(NetServerEther, 0, 6);
}
int network_update( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
{
int i;
setup_pkt_recvd=0;
NetSetTimeout(TIMEOUT * CFG_HZ, NbootTimeout);
NetSetHandler(NBootHandler);
dm9k_phy_retry_times=1000;
eth_init(gd->bd);
eth_rx();
if (setup_pkt_recvd)
{
front_puts("TFTP");
if (NetLoop (TFTP) <= 0)
return 1;
front_puts("BURN");
burn_flash_img( 0, 0, 0, 0);
do_reset (NULL, 0, 0, NULL);
}
return 0;
}
