1STRUCT SKB_SHARED_HW(9)        Linux Networking        STRUCT SKB_SHARED_HW(9)
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NAME

6       struct_skb_shared_hwtstamps - hardware time stamps
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SYNOPSIS

9       struct skb_shared_hwtstamps {
10         ktime_t hwtstamp;
11         ktime_t syststamp;
12       };
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MEMBERS

15       hwtstamp
16           hardware time stamp transformed into duration since arbitrary point
17           in time
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19       syststamp
20           hwtstamp transformed to system time base
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DESCRIPTION

23       Software time stamps generated by ktime_get_real are stored in
24       skb->tstamp. The relation between the different kinds of time
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STAMPS IS AS FOLLOWS

27       syststamp and tstamp can be compared against each other in arbitrary
28       combinations. The accuracy of a syststamp/tstamp/“syststamp from other
29       device” comparison is limited by the accuracy of the transformation
30       into system time base. This depends on the device driver and its
31       underlying hardware.
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33       hwtstamps can only be compared against other hwtstamps from the same
34       device.
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36       This structure is attached to packets as part of the skb_shared_info.
37       Use skb_hwtstamps to get a pointer.
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40Kernel Hackers Manual 2.6.       November 2011         STRUCT SKB_SHARED_HW(9)
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