e1000_toggl...hypc_pch_lpt(9)

📦 version 7.3.1, in nixpkgs unstable

💅 e1000_toggle_lanphypc_pch_lpt(9) — the Kernel API Manual page you didn't know you needed

okay so first things first: this is a page from the Kernel API Manual, section 9, and the star of the show is e1000_toggle_lanphypc_pch_lpt. say it three times fast, i dare you. bestie, it's a mouthful, but the concept? actually kind of iconic.

✨ NAME ✨

e1000_toggle_lanphypc_pch_lpt — toggle the LANPHYPC pin value

like, that's it. that's the whole job. flip a pin. slay.

🎀 SYNOPSIS 🎀

void e1000_toggle_lanphypc_pch_lpt (struct e1000_hw *hw );

no return value, no drama — it's void, it does the thing and leaves. main character energy honestly.

🦋 ARGUMENTS 🦋

  • hw — pointer to the HW structure. yes, the whole hardware struct. hand it over and let her cook. 🫶

🌸 DESCRIPTION 🌸

okay so here's the tea: toggling the LANPHYPC pin value does a full power-cycle of the PHY. like, not a little nap — a whole entire off-and-on moment. and the reason you'd ever want that? it's used to reset the PHY back to a quiescent state when necessary. so when the PHY is being weird and needs to chill, you flip the pin, the PHY gets its little reset moment, and everything's fine again. periodt. 🔥

the way this function just... power-cycles a whole PHY. no cap, it's giving "have you tried turning it off and on again" but in kernel space. 👑

🌈 SEE ALSO 🌈

the vibes are immaculate and the cross-references are extensive. she has a whole friend group and you're about to meet every single one of them, iykyk. 💜

like i said. huge friend group. every single one of them got an invite. 💖

okay bestie, real talk: there are no documented return values, no errors, no flags, no environment variables here — this function is void and that's the whole story. don't go looking for hidden options, because there aren't any. 🙈

🧚 sign-off 🧚

and that's the page!! source file is ./drivers/net/ethernet/intel/e... and the date on this beauty is October 2026, and yes the footer still says e1000_toggl...hypc_pch_lpt(9) because truncation is a lifestyle. go forth, toggle that pin, reset that PHY, and remember: you're doing amazing, sweetie. 🍓💅✨

📦 where this page comes from