drivers/net/ethernet/qlogic/qede/qede_ptp.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/qlogic/qede/qede_ptp.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/qlogic/qede/qede_ptp.h
Extension
.h
Size
1458 bytes
Lines
43
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _QEDE_PTP_H_
#define _QEDE_PTP_H_

#include <linux/ptp_clock_kernel.h>
#include <linux/net_tstamp.h>
#include <linux/timecounter.h>
#include "qede.h"

void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
int qede_hwtstamp_get(struct net_device *netdev,
		      struct kernel_hwtstamp_config *config);
int qede_hwtstamp_set(struct net_device *netdev,
		      struct kernel_hwtstamp_config *config,
		      struct netlink_ext_ack *extack);
void qede_ptp_disable(struct qede_dev *edev);
int qede_ptp_enable(struct qede_dev *edev);
int qede_ptp_get_ts_info(struct qede_dev *edev, struct kernel_ethtool_ts_info *ts);

static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
					 union eth_rx_cqe *cqe,
					 struct sk_buff *skb)
{
	/* Check if this packet was timestamped */
	if (unlikely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags) &
		     (1 << PARSING_AND_ERR_FLAGS_TIMESTAMPRECORDED_SHIFT))) {
		if (likely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags)
		    & (1 << PARSING_AND_ERR_FLAGS_TIMESYNCPKT_SHIFT))) {
			qede_ptp_rx_ts(edev, skb);
		} else {
			DP_INFO(edev,
				"Timestamp recorded for non PTP packets\n");
		}
	}
}
#endif /* _QEDE_PTP_H_ */

Annotation

Implementation Notes