4 * Masami Komiya <mkomiya@sonare.it> 2005
15 #if ((CONFIG_COMMANDS & CFG_CMD_NET) && (CONFIG_COMMANDS & CFG_CMD_SNTP))
17 #define SNTP_TIMEOUT 10
19 static int SntpOurPort;
24 struct sntp_pkt_t pkt;
25 int pktlen = SNTP_PACKET_LEN;
28 debug ("%s\n", __FUNCTION__);
30 memset (&pkt, 0, sizeof(pkt));
32 pkt.li = NTP_LI_NOLEAP;
34 pkt.mode = NTP_MODE_CLIENT;
36 memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen);
38 SntpOurPort = 10000 + (get_timer(0) % 4096);
39 sport = NTP_SERVICE_PORT;
41 NetSendUDPPacket (NetServerEther, NetNtpServerIP, sport, SntpOurPort, pktlen);
48 NetState = NETLOOP_FAIL;
53 SntpHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len)
55 struct sntp_pkt_t *rpktp = (struct sntp_pkt_t *)pkt;
59 debug ("%s\n", __FUNCTION__);
61 if (dest != SntpOurPort) return;
64 * As the RTC's used in U-Boot sepport second resolution only
65 * we simply ignore the sub-second field.
67 memcpy (&seconds, &rpktp->transmit_timestamp, sizeof(ulong));
69 to_tm(ntohl(seconds) - 2208988800UL + NetTimeOffset, &tm);
70 #if (CONFIG_COMMANDS & CFG_CMD_DATE)
73 printf ("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n",
74 tm.tm_year, tm.tm_mon, tm.tm_mday,
75 tm.tm_hour, tm.tm_min, tm.tm_sec);
77 NetState = NETLOOP_SUCCESS;
83 debug ("%s\n", __FUNCTION__);
85 NetSetTimeout (SNTP_TIMEOUT * CFG_HZ, SntpTimeout);
86 NetSetHandler(SntpHandler);
87 memset (NetServerEther, 0, 6);
92 #endif /* CONFIG_COMMANDS & CFG_CMD_SNTP */