upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/net/sntp.h

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1.2 KiB

/*
* (C) Masami Komiya <mkomiya@sonare.it> 2005
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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;
} __attribute__((packed));
void sntp_start(void); /* Begin SNTP */
#endif /* __SNTP_H__ */