linux/include/linux/net_tstamp.h

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _LINUX_NET_TIMESTAMPING_H_
#define _LINUX_NET_TIMESTAMPING_H_

#include <uapi/linux/net_tstamp.h>

#define SOF_TIMESTAMPING_SOFTWARE_MASK …

#define SOF_TIMESTAMPING_HARDWARE_MASK …

enum hwtstamp_source { … };

/**
 * struct kernel_hwtstamp_config - Kernel copy of struct hwtstamp_config
 *
 * @flags: see struct hwtstamp_config
 * @tx_type: see struct hwtstamp_config
 * @rx_filter: see struct hwtstamp_config
 * @ifr: pointer to ifreq structure from the original ioctl request, to pass to
 *	a legacy implementation of a lower driver
 * @copied_to_user: request was passed to a legacy implementation which already
 *	copied the ioctl request back to user space
 * @source: indication whether timestamps should come from the netdev or from
 *	an attached phylib PHY
 *
 * Prefer using this structure for in-kernel processing of hardware
 * timestamping configuration, over the inextensible struct hwtstamp_config
 * exposed to the %SIOCGHWTSTAMP and %SIOCSHWTSTAMP ioctl UAPI.
 */
struct kernel_hwtstamp_config { … };

static inline void hwtstamp_config_to_kernel(struct kernel_hwtstamp_config *kernel_cfg,
					     const struct hwtstamp_config *cfg)
{ … }

static inline void hwtstamp_config_from_kernel(struct hwtstamp_config *cfg,
					       const struct kernel_hwtstamp_config *kernel_cfg)
{ … }

static inline bool kernel_hwtstamp_config_changed(const struct kernel_hwtstamp_config *a,
						  const struct kernel_hwtstamp_config *b)
{ … }

#endif /* _LINUX_NET_TIMESTAMPING_H_ */