intel/ice/ice_ptp.c

405  * @in_tstamp: Ingress/egress 32b nanoseconds timestamp value
416  * 2) assume that the in_tstamp was captured 2^31 nanoseconds (~2.1
440 static u64 ice_ptp_extend_32b_ts(u64 cached_phc_time, u32 in_tstamp)
449 	 * time and the in_tstamp value
451 	delta = (in_tstamp - phc_time_lo);
453 	/* Do not assume that the in_tstamp is always more recent than the
455 	 * in_tstamp was taken in the past, and should be converted
460 		delta = (phc_time_lo - in_tstamp);
472  * @in_tstamp: Ingress/egress 40b timestamp value
495 static u64 ice_ptp_extend_40b_ts(struct ice_pf *pf, u64 in_tstamp)
508 				     (in_tstamp >> 8) & mask);