usb4_port_clx_supported(9)

📦 version 7.3.1, in nixpkgs unstable

💅 usb4_port_clx_supported(9) — kernel API manual, bestie edition ✨

okay so this is from the kernel API manual (Kernel API Manual, section 9), and it's literally about checking whether your Thunderbolt link can do CLx. buckle up 🎀

✨ NAME ✨

usb4_port_clx_supported — check if CLx is supported by the link 🦋

🌸 SYNOPSIS 🌸

bool usb4_port_clx_supported (struct tb_port *port );

like, it returns a bool, it takes a struct tb_port *, that's the whole vibe 💖

🎀 ARGUMENTS 🎀

  • port — the port you're checking for CLx support. that's the one. that's the port. 👑

💫 DESCRIPTION 💫

okay so here's the tea ☕ the PORT_CS_18_CPS bit is the little icon that tells you whether the link supports CLx — and that includes active cables, but ONLY if they're actually connected on the link. no connected active cable, no credit. iykyk 💅

🔥 RETURN 🔥

  • true — CLx is supported, slay ✨
  • false — CLx is not supported, and that's just how it is 😭

👑 SEE ALSO 👑

she comes from the kernel file ./drivers/thunderbolt/usb4.c and honestly the whole friend group is here, no cap:

and that's the whole page, bestie 🫶 it lives under ./drivers/thunderbolt and the date on it is October 2026 — so yeah, future girlie energy fr fr. go check those CLx bits and slay 💜🌈⭐

📦 where this page comes from