igb: extend PTP gettime function to read system clock

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This adds support for the PTP_SYS_OFFSET_EXTENDED ioctl.

Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Miroslav Lichvar 2018-11-09 11:14:47 +01:00 • committed by David S. Miller

parent 98942d7053

commit cff8ba28db

1 changed files with 55 additions and 10 deletions

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65

drivers/net/ethernet/intel/igb/igb_ptp.c

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