projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| ea287deb WD |
1 | /* |
| 2 | * SNTP support driver | |
| 3 | * | |
| 4 | * Masami Komiya <mkomiya@sonare.it> 2005 | |
| 5 | * | |
| 6 | */ | |
| 7 | ||
| 8 | #include <common.h> | |
| 9 | #include <command.h> | |
| 10 | #include <net.h> | |
| 11 | #include <rtc.h> | |
| 12 | ||
| 13 | #include "sntp.h" | |
| 14 | ||
| 15 | #if ((CONFIG_COMMANDS & CFG_CMD_NET) && (CONFIG_COMMANDS & CFG_CMD_SNTP)) | |
| 16 | ||
| 17 | #define SNTP_TIMEOUT 10 | |
| 18 | ||
| 19 | static int SntpOurPort; | |
| 20 | ||
| 21 | static void | |
| 22 | SntpSend (void) | |
| 23 | { | |
| 24 | struct sntp_pkt_t pkt; | |
| 25 | int pktlen = SNTP_PACKET_LEN; | |
| 26 | int sport; | |
| 27 | ||
| 28 | debug ("%s\n", __FUNCTION__); | |
| 29 | ||
| 30 | memset (&pkt, 0, sizeof(pkt)); | |
| 31 | ||
| 32 | pkt.li = NTP_LI_NOLEAP; | |
| 33 | pkt.vn = NTP_VERSION; | |
| 34 | pkt.mode = NTP_MODE_CLIENT; | |
| 35 | ||
| 36 | memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); | |
| 37 | ||
| 38 | SntpOurPort = 10000 + (get_timer(0) % 4096); | |
| 39 | sport = NTP_SERVICE_PORT; | |
| 40 | ||
| 41 | NetSendUDPPacket (NetServerEther, NetNtpServerIP, sport, SntpOurPort, pktlen); | |
| 42 | } | |
| 43 | ||
| 44 | static void | |
| 45 | SntpTimeout (void) | |
| 46 | { | |
| 47 | puts ("Timeout\n"); | |
| 48 | NetState = NETLOOP_FAIL; | |
| 49 | return; | |
| 50 | } | |
| 51 | ||
| 52 | static void | |
| 53 | SntpHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) | |
| 54 | { | |
| 55 | struct sntp_pkt_t rpkt; | |
| 56 | struct rtc_time tm; | |
| 57 | ||
| 58 | debug ("%s\n", __FUNCTION__); | |
| 59 | ||
| 60 | if (dest != SntpOurPort) return; | |
| 61 | ||
| 62 | memcpy ((unsigned char *)&rpkt, pkt, len); | |
| 63 | ||
| 64 | #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) | |
| 65 | to_tm(ntohl(rpkt.transmit_timestamp), &tm); | |
| 66 | printf ("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n", | |
| 67 | tm.tm_year, tm.tm_mon, tm.tm_mday, | |
| 68 | tm.tm_hour, tm.tm_min, tm.tm_sec); | |
| 69 | to_tm(ntohl(rpkt.transmit_timestamp) - 2208988800u + NetTimeOffset, &tm); | |
| 70 | #if (CONFIG_COMMANDS & CFG_CMD_DATE) | |
| 71 | rtc_set (&tm); | |
| 72 | #endif | |
| 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); | |
| 76 | #endif | |
| 77 | ||
| 78 | NetState = NETLOOP_SUCCESS; | |
| 79 | } | |
| 80 | ||
| 81 | void | |
| 82 | SntpStart (void) | |
| 83 | { | |
| 84 | debug ("%s\n", __FUNCTION__); | |
| 85 | ||
| 86 | NetSetTimeout (SNTP_TIMEOUT * CFG_HZ, SntpTimeout); | |
| 87 | NetSetHandler(SntpHandler); | |
| 88 | memset (NetServerEther, 0, 6); | |
| 89 | ||
| 90 | SntpSend (); | |
| 91 | } | |
| 92 | ||
| 93 | #endif /* CONFIG_COMMANDS & CFG_CMD_SNTP */ |