e1000e_force_smbus(9)

📦 version 7.3.1, in nixpkgs unstable

💖 e1000e_force_smbus(9) 💖

okay bestie, welcome to the Kernel API Manual, section 9, where we talk about one very specific little function that bullies your network hardware into SMBUS mode 🦋 no cap, that's literally the whole gig.

🌸 NAME 🌸

e1000e_force_smbus — the function that forces interfaces to transition to SMBUS mode. forces. like it's not asking nicely 💅

✨ SYNOPSIS ✨

s32 e1000e_force_smbus (struct e1000_hw *hw );

that's it. one argument. one return type. clean, minimal, iconic 👑

🎀 ARGUMENTS 🎀

  • hw — pointer to the HW structure 🫶 that's the hardware struct, bestie, the whole vibe of the chip in one pointer

💜 DESCRIPTION 💜

so what it does is: force the MAC and the PHY to SMBUS mode. both of them. the MAC and the PHY. it's giving "everybody on the same page or else" 😭✨

and here's the important bit — it assumes the semaphore is already acquired. like, it's not gonna grab the lock for you, that's your job. you walk in holding the semaphore or you don't walk in at all 🙈

🔥 RETURN 🔥

0 on success, negative errno on failure. so if you get 0, slay. if you get a negative errno, something went sideways and the number will tell you what 💀

🌈 SEE ALSO 🌈

okay this is the part where the manpage just dumps the entire friend group on you, and honestly? respect. here's everybody, in order, no skipping, no cap:

and that's the whole page, bestie 🧚✨

cute little sign-off before you close the tab: this one's stamped October 2026, and the source path got cut off in the footer as ./drivers/net/ethernet/intel/e... (rip to whoever truncated it, iykyk 😭). now go acquire that semaphore first, fr fr 💅🎀

📦 where this page comes from