[PATCH v7 0/2] net/af_xdp: add Rx timestamping and read_clock support

Stephen Hemminger stephen at networkplumber.org
Wed Aug 19 22:20:32 CEST 2026


On Tue, 18 Aug 2026 06:49:57 +0000
Mark Blasko <blasko at google.com> wrote:

> This patch series introduces support for dynamic Rx timestamping and
> clock querying in the AF_XDP Poll Mode Driver.
> 
> The first patch introduces three new vdev devargs to specify
> layout-agnostic metadata offsets and bitmasks for extracting hardware
> Rx timestamps from XDP metadata into the mbuf dynamic timestamp field.
> 
> The second patch implements the read_clock ethdev operation, querying
> ethtool for the interface's PTP Hardware Clock index at start and using
> clock_gettime to query the NIC hardware clock time.
> ---

Applied to next-net.
Had to fix some merge conflicts with the previous path changes.


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