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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1839] af_packet: receive timestamp clock
 information missing
Date: Fri, 28 Nov 2025 18:21:39 +0000
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X-Bugzilla-Product: DPDK
X-Bugzilla-Component: ethdev
X-Bugzilla-Version: 25.07
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X-Bugzilla-Severity: minor
X-Bugzilla-Who: stephen@networkplumber.org
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http://bugs.dpdk.org/show_bug.cgi?id=3D1839

            Bug ID: 1839
           Summary: af_packet: receive timestamp clock information missing
           Product: DPDK
           Version: 25.07
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: minor
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: stephen@networkplumber.org
  Target Milestone: ---

The af_packet driver optionally provides receive timestamp information,
but it is missing the device operation to tell the application what
the units of that timestamp is i.e dev->dev_ops->read_clock.

The read_clock routine should return monotonic clock converted to nanosecon=
ds;
since that is what the kernel is using internally.

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