e1000_updat...ksum_ich8lan(9)

📦 version 7.3.1, in nixpkgs unstable

💅 e1000_update_nvm_checksum_ich8lan — from the Kernel API Manual ✨

okay so bestie, welcome to the glow-up of <pink>e1000_update_nvm_checksum_ich8lan</pink>, straight outta the Kernel API Manual. she's a function, she's iconic, she updates a checksum, and honestly? she ate. let's get into it 💖

✨ NAME ✨

e1000_update_nvm_checksum_ich8lan — update the checksum for NVM. that's the whole assignment. main character energy fr fr.

🎀 SYNOPSIS 🎀

s32 e1000_update_nvm_checksum_ich8lan (struct e1000_hw *hw );

like, that's it. that's the whole function signature. slay.

🦋 ARGUMENTS 🦋

  • hw — pointer to the HW structure. she needs her hardware context, okay? don't come at her empty-handed 💅

🌸 DESCRIPTION 🌸

so here's the vibe check: the NVM checksum gets updated by calling the generic update_nvm_checksum, which writes the checksum to the shadow ram. yes, the shadow ram. mysterious. ethereal. lowkey haunted. 💀

then the changes sitting in the shadow ram get committed to the EEPROM — and the way she does it is so smart: she processes each bank at a time, checking for the modified bit, and writes only the pending changes. not the whole thing. just the diffs. efficiency queen 👑

and after a successful commit? the shadow ram is cleared and is ready for future writes. clean slate, fresh start, we love a reset arc 🌈

🔥 SEE ALSO 🔥

the girlies she runs with — and also the kernel file she lives in:

ngl that is a lot of friends. she's not antisocial, she's just from a big file. iykyk 🫶

anyway bestie, that's the whole page — source lives at ./drivers/net/ethernet/intel/e... and this edition is dated October 2026. mwah, go read the code, ily, bye 💜✨

📦 where this page comes from