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author | wdenk <wdenk> | 2005-04-01 00:25:43 +0000 |
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committer | wdenk <wdenk> | 2005-04-01 00:25:43 +0000 |
commit | ea287debe1980182adbe8c63b71bb82193dad5b7 (patch) | |
tree | 34044b91763e6e85704b7a54acd34c042931461d /net/sntp.c | |
parent | ef2807c667a91135fbb91b805b852ccfbff03587 (diff) | |
download | bootable_bootloader_goldelico_gta04-ea287debe1980182adbe8c63b71bb82193dad5b7.zip bootable_bootloader_goldelico_gta04-ea287debe1980182adbe8c63b71bb82193dad5b7.tar.gz bootable_bootloader_goldelico_gta04-ea287debe1980182adbe8c63b71bb82193dad5b7.tar.bz2 |
* Patch by Masami Komiya, 30 Mar 2005:
add SNTP support and expand time server and time offset fields of
DHCP support. See doc/README.SNTP
* Patch by Steven Scholz, 13 Dec 2004:
Fix bug in at91rm920 ethernet driver
Diffstat (limited to 'net/sntp.c')
-rw-r--r-- | net/sntp.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/net/sntp.c b/net/sntp.c new file mode 100644 index 0000000..9e11eb4 --- /dev/null +++ b/net/sntp.c @@ -0,0 +1,93 @@ +/* + * SNTP support driver + * + * Masami Komiya <mkomiya@sonare.it> 2005 + * + */ + +#include <common.h> +#include <command.h> +#include <net.h> +#include <rtc.h> + +#include "sntp.h" + +#if ((CONFIG_COMMANDS & CFG_CMD_NET) && (CONFIG_COMMANDS & CFG_CMD_SNTP)) + +#define SNTP_TIMEOUT 10 + +static int SntpOurPort; + +static void +SntpSend (void) +{ + struct sntp_pkt_t pkt; + int pktlen = SNTP_PACKET_LEN; + int sport; + + debug ("%s\n", __FUNCTION__); + + memset (&pkt, 0, sizeof(pkt)); + + pkt.li = NTP_LI_NOLEAP; + pkt.vn = NTP_VERSION; + pkt.mode = NTP_MODE_CLIENT; + + memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); + + SntpOurPort = 10000 + (get_timer(0) % 4096); + sport = NTP_SERVICE_PORT; + + NetSendUDPPacket (NetServerEther, NetNtpServerIP, sport, SntpOurPort, pktlen); +} + +static void +SntpTimeout (void) +{ + puts ("Timeout\n"); + NetState = NETLOOP_FAIL; + return; +} + +static void +SntpHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) +{ + struct sntp_pkt_t rpkt; + struct rtc_time tm; + + debug ("%s\n", __FUNCTION__); + + if (dest != SntpOurPort) return; + + memcpy ((unsigned char *)&rpkt, pkt, len); + +#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) +to_tm(ntohl(rpkt.transmit_timestamp), &tm); +printf ("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n", +tm.tm_year, tm.tm_mon, tm.tm_mday, +tm.tm_hour, tm.tm_min, tm.tm_sec); + to_tm(ntohl(rpkt.transmit_timestamp) - 2208988800u + NetTimeOffset, &tm); +#if (CONFIG_COMMANDS & CFG_CMD_DATE) + rtc_set (&tm); +#endif + printf ("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n", + tm.tm_year, tm.tm_mon, tm.tm_mday, + tm.tm_hour, tm.tm_min, tm.tm_sec); +#endif + + NetState = NETLOOP_SUCCESS; +} + +void +SntpStart (void) +{ + debug ("%s\n", __FUNCTION__); + + NetSetTimeout (SNTP_TIMEOUT * CFG_HZ, SntpTimeout); + NetSetHandler(SntpHandler); + memset (NetServerEther, 0, 6); + + SntpSend (); +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_SNTP */ |