e1000_update...rom_checksum(9)

📦 version 7.3.1, in nixpkgs unstable

💅 e1000_update_eeprom_checksum(9) — Kernel API Manual, but make it make sense

okay so bestie, welcome to the Kernel API Manual, and today's main character is a tiny little function that fixes up the checksum on your EEPROM like it's doing a vibe check on 63 words and then writing the receipts 💖

✨ NAME ✨

e1000_update_eeprom_checksum — Calculates/writes the EEPROM checksum, no cap 🎀

🌸 SYNOPSIS 🌸

s32 e1000_update_eeprom_checksum (struct e1000_hw *hw );

🦋 ARGUMENTS 🦋

  • hw — the struct holding all the variables that the shared code pokes at 👑 iykyk, it's the whole hardware hangout spot

💜 DESCRIPTION 💜

okay so here's the tea ☕ — it sums up the first 63 16 bit words of the EEPROM. Then it subtracts that sum from 0xBABA. Then it writes the difference to word offset 63 of the EEPROM. that's it. that's the whole personality 🫶

literally three steps and she's done, and honestly? iconic.

🔥 SEE ALSO 🔥

the kernel file lives right here, bestie: ./drivers/net/ethernet/intel/e1000/e1000_hw.c ✨

and here's the whole friend group — every single one of them, in order, no skipping 🙈

that's the whole page bestie, go forth and checksum responsibly 💅✨

sign-off time 🎀 — this lil artifact comes from ./drivers/net/ethernet/intel/e... (the path got cut off in the footer, don't come for me, that's literally what it says 🙈) and it's dated October 2026. slay. 💖

📦 where this page comes from