Lines Matching full:nanoseconds

288  * ice_ptp_extend_32b_ts - Convert a 32b nanoseconds timestamp to 64b
290  * @in_tstamp: Ingress/egress 32b nanoseconds timestamp value
293  * nanoseconds, as opposed to the 64bit timestamps that the stack expects.
295  * 8 bits are sub-nanoseconds and generally discarded.
301  * 2) assume that the in_tstamp was captured 2^31 nanoseconds (~2.1
304  * 4) if the delta is smaller than 2^31 nanoseconds, then the timestamp was
307  * 5) otherwise, if the delta is larger than 2^31 nanoseconds, then the
317  * date. If the timestamp was captured more than 2^31 nanoseconds after the
355  * ice_ptp_extend_40b_ts - Convert a 40b timestamp to 64b nanoseconds
360  * nanoseconds, 7 bits of sub-nanoseconds, and a valid bit.
363  *  | 32 bits of nanoseconds | 7 high bits of sub ns underflow | v |
373  * Extract the 32bit nominal nanoseconds and extend them. Use the cached PHC
396  * However, since the registers are 64 bits of nanoseconds, we must convert the
426  * @adj: Adjustment in nanoseconds
429  * nanoseconds.
844  * @delta: Offset in nanoseconds to adjust the time by
860  * @delta: Offset in nanoseconds to adjust the time by
1027 		 * allows us to simply pass the upper 32bits of nanoseconds  in ice_ptp_rx_hwtstamp()