idpf_ptp_get_crosststamp(9)

📦 version 7.3.1, in nixpkgs unstable

💅 idpf_ptp_get_crosststamp — bestie, let's grab a cross timestamp ✨

okay so this is a page from the Kernel API Manual, and it's all about idpf_ptp_get_crosststamp(9) — the little function that snatches a device cross timestamp for you. no cap, it's iconic.

🌸 NAME 🌸

idpf_ptp_get_crosststamp — capture a device cross timestamp 🎀

✨ SYNOPSIS ✨

int idpf_ptp_get_crosststamp (struct ptp_clock_info *info , struct
       system_device_crosststamp *cts );

like, that's the whole vibe. two args, one int coming back at you 🫶

🦋 ARGUMENTS 🦋

  • info — the driver's PTP info structure. literally the structure, the main character of this whole thing 👑
  • cts — the memory to fill the cross timestamp info. yes bestie, you're passing in the memory and it gets filled 💖

💅 DESCRIPTION 💅

So what does it actually do? It captures a cross timestamp between the system time and the device PTP hardware clock. that's it, that's the whole slay. two clocks, one timestamp, no drama ⭐

🔥 RETURN 🔥

  • cross timestamp value on success — ate, no crumbs 👑
  • -errno on failure — not the vibe, but at least it tells you why 😭

🌈 SEE ALSO 🌈

fr fr, go read the source, it's right here:

  • Kernel file ./drivers/net/ethernet/intel/idpf/idpf_ptp.c

and the whole friend group 💜:

🍓 tiny vibe check: this page lives under ./drivers/net/ethernet/intel/idpf — iykyk 💫

k bye bestie, go timestamp something 💖✨🦋 periodt 💅

— with love, from the Kernel API Manual crew, source ./drivers/net/ethernet/intel/idpf, October 2026 edition 🎀

📦 where this page comes from