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authorPavan Chebbi <pavan.chebbi@broadcom.com>2021-06-27 13:19:48 -0400
committerDavid S. Miller <davem@davemloft.net>2021-06-28 13:41:06 -0700
commit7f5515d19cd7aa02a866fd86622a022f12e06f0f (patch)
treeab499c8638268ee8ebddd107b858dcf6142fb702 /drivers/visorbus/Kconfig
parent390862f45c85b8ebbf9c5c09192bf413a8fb72f8 (diff)
bnxt_en: Get the RX packet timestamp
If the RX packet is timestamped by the hardware, the RX completion record will contain the lower 32-bit of the timestamp. This needs to be combined with the upper 16-bit of the periodic timestamp that we get from the timer. The previous snapshot in ptp->old_timer is used to make sure that the snapshot is not ahead of the RX timestamp and we adjust for wrap-around if needed. v2: Make ptp->old_time read access safe on 32-bit CPUs. Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/visorbus/Kconfig')
0 files changed, 0 insertions, 0 deletions