e1000_setup_link_82571(9)

📦 version 7.3.1, in nixpkgs unstable

okay so you found yourself in the kernel API manual, specifically the e1000_setup_link_82571 page, and honestly? iconic of you. this is the 82571-flavored link setup situation and we're gonna get through it together 🫶

✨ NAME ✨

e1000_setup_link_82571 — literally does the flow control and link settings setup. that's the whole vibe. no cap.

🌸 SYNOPSIS 🌸

s32 e1000_setup_link_82571 (struct e1000_hw *hw );

that's it. one function, one argument, returns a s32. clean. minimal. main character energy 💅

🎀 ARGUMENTS 🎀

  • hw — pointer to the HW structure. that's it, that's the argument. it's giving "just hand me the hardware struct and I'll handle the rest" 🔥

🦋 DESCRIPTION 🦋

okay so here's what's actually going down inside this function, and it's honestly a little slay:

first, it determines which flow control settings to use. yes, determines — it's doing the thinking for you 🧠✨ then it configures flow control based on whatever it figured out.

after that, it calls the appropriate media-specific link configuration function. "appropriate" being the key word — it picks the right one for the media, iykyk.

so assuming the adapter has a valid link partner? a valid link should be established. fr fr. 🌈

⚠️ important caveat bestie, do not skip this: this function assumes the hardware has previously been reset and that the transmitter and receiver are not enabled. like, it's not checking. it's trusting you. so handle your business before you call it 💀

👑 SEE ALSO 👑

the kernel file lives right here, no cap:

./drivers/net/ethernet/intel/e1000e/82571.c

and here's the whole friend group — every single one of these, all present and accounted for 🫶:

and that's the page!! 💖

cute lil sign-off moment: this one's sourced from ./drivers/net/ethernet/intel/e... (yes it's truncated in the footer, we don't make the rules 🙈) and it's dated October 2026, still stamped e1000_setup_link_82571(9) at the bottom like a little signature. go set up that link bestie, you got this ⭐🦋

📦 where this page comes from