mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-13 21:31:56 +00:00
580596c30a
Allow creation of TX timestamp thread which will collect TX timestamp information from device drivers. If the callback is registered, then it will pass that timestamp information to the relevant party for further processing. This support will be used by gPTP code in subsequent commits. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Julien Chevrier <julien.chevrier@intel.com>
70 lines
1.1 KiB
C
70 lines
1.1 KiB
C
/*
|
|
* Copyright (c) 2018 Intel Corporation.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief Public functions for the Precision Time Protocol time specification.
|
|
*
|
|
*/
|
|
|
|
#ifndef __PTP_TIME_H
|
|
#define __PTP_TIME_H
|
|
|
|
/**
|
|
* @brief Precision Time Protocol time specification
|
|
* @defgroup ptp_time PTP time
|
|
* @ingroup networking
|
|
* @{
|
|
*/
|
|
|
|
#include <net/net_core.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Precision Time Protocol Timestamp format.
|
|
*
|
|
* This structure represents a timestamp according
|
|
* to the Precision Time Protocol standard.
|
|
*
|
|
* Seconds are encoded as a 48 bits unsigned integer.
|
|
* Nanoseconds are encoded as a 32 bits unsigned integer.
|
|
*/
|
|
struct net_ptp_time {
|
|
/** Seconds encoded on 48 bits. */
|
|
union {
|
|
struct {
|
|
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
u32_t low;
|
|
u16_t high;
|
|
u16_t unused;
|
|
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
|
|
u16_t unused;
|
|
u16_t high;
|
|
u32_t low;
|
|
#else
|
|
#error "Unknown byte order"
|
|
#endif
|
|
} _sec;
|
|
u64_t second;
|
|
};
|
|
|
|
/** Nanoseconds. */
|
|
u32_t nanosecond;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* __PTP_TIME_H */
|