4 * Masami Komiya <mkomiya@sonare.it> 2005
15 #define SNTP_TIMEOUT 10000UL
17 static int SntpOurPort;
22 struct sntp_pkt_t pkt;
23 int pktlen = SNTP_PACKET_LEN;
26 debug("%s\n", __func__);
28 memset(&pkt, 0, sizeof(pkt));
30 pkt.li = NTP_LI_NOLEAP;
32 pkt.mode = NTP_MODE_CLIENT;
34 memcpy((char *)NetTxPacket + NetEthHdrSize() + IP_UDP_HDR_SIZE,
35 (char *)&pkt, pktlen);
37 SntpOurPort = 10000 + (get_timer(0) % 4096);
38 sport = NTP_SERVICE_PORT;
40 NetSendUDPPacket(NetServerEther, NetNtpServerIP, sport, SntpOurPort,
48 net_set_state(NETLOOP_FAIL);
53 SntpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
56 struct sntp_pkt_t *rpktp = (struct sntp_pkt_t *)pkt;
60 debug("%s\n", __func__);
62 if (dest != SntpOurPort)
66 * As the RTC's used in U-Boot sepport second resolution only
67 * we simply ignore the sub-second field.
69 memcpy(&seconds, &rpktp->transmit_timestamp, sizeof(ulong));
71 to_tm(ntohl(seconds) - 2208988800UL + NetTimeOffset, &tm);
72 #if defined(CONFIG_CMD_DATE)
75 printf("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n",
76 tm.tm_year, tm.tm_mon, tm.tm_mday,
77 tm.tm_hour, tm.tm_min, tm.tm_sec);
79 net_set_state(NETLOOP_SUCCESS);
85 debug("%s\n", __func__);
87 NetSetTimeout(SNTP_TIMEOUT, SntpTimeout);
88 net_set_udp_handler(SntpHandler);
89 memset(NetServerEther, 0, sizeof(NetServerEther));