From ea287debe1980182adbe8c63b71bb82193dad5b7 Mon Sep 17 00:00:00 2001 From: wdenk Date: Fri, 1 Apr 2005 00:25:43 +0000 Subject: * 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 --- net/sntp.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 net/sntp.h (limited to 'net/sntp.h') diff --git a/net/sntp.h b/net/sntp.h new file mode 100644 index 0000000000..8a097bfa38 --- /dev/null +++ b/net/sntp.h @@ -0,0 +1,61 @@ +/* + * (C) Masami Komiya 2005 + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2, or (at + * your option) any later version. + */ + +#ifndef __SNTP_H__ +#define __SNTP_H__ + +#define NTP_SERVICE_PORT 123 +#define SNTP_PACKET_LEN 48 + + +/* Leap Indicator */ +#define NTP_LI_NOLEAP 0x0 +#define NTP_LI_61SECS 0x1 +#define NTP_LI_59SECS 0x2 +#define NTP_LI_ALARM 0x3 + +/* Version */ + +#define NTP_VERSION 4 + +/* Mode */ +#define NTP_MODE_RESERVED 0 +#define NTP_MODE_SYMACTIVE 1 /* Symmetric Active */ +#define NTP_MODE_SYMPASSIVE 2 /* Symmetric Passive */ +#define NTP_MODE_CLIENT 3 +#define NTP_MODE_SERVER 4 +#define NTP_MODE_BROADCAST 5 +#define NTP_MODE_NTPCTRL 6 /* Reserved for NTP control message */ +#define NTP_MODE_PRIVATE 7 /* Reserved for private use */ + +struct sntp_pkt_t { +#if __LITTLE_ENDIAN + uchar mode:3; + uchar vn:3; + uchar li:2; +#else + uchar li:2; + uchar vn:3; + uchar mode:3; +#endif + uchar stratum; + uchar poll; + uchar precision; + uint root_delay; + uint root_dispersion; + uint reference_id; + unsigned long long reference_timestamp; + unsigned long long originate_timestamp; + unsigned long long receive_timestamp; + unsigned long long transmit_timestamp; +}; + +extern void SntpStart (void); /* Begin SNTP */ + +#endif /* __SNTP_H__ */ -- cgit v1.2.1