e1000_valid...ecksum_82571(9)

📦 version 7.3.1, in nixpkgs unstable

💅 e1000_validate_nvm_checksum_82571(9) — the Kernel API Manual page, bestie edition ✨

okay so real talk — this is a page from the Kernel API Manual (manual section 9, the "kernel routines" girlies 🎀), and it's about one very specific little function that checks whether the EEPROM on your Intel 82571-family NIC is lying to you. she's short, she's sweet, she's doing her job. let's get into it 🦋

🌸 NAME 🌸

e1000_validate_nvm_checksum_82571 — validate the EEPROM checksum 💖

like, literally the whole vibe: does the checksum check out or not.

✨ SYNOPSIS ✨

s32 e1000_validate_nvm_checksum_82571 (struct e1000_hw *hw );

that's it. one argument. she's low maintenance 👑

🫶 ARGUMENTS 🫶

  • hw — pointer to the HW structure. this is your main character pointer, fr fr — it's the hardware struct that gets passed in and (per the description below) gets its EEPROM read through 🌈

💫 DESCRIPTION 💫

so what does she actually do? she calculates the EEPROM checksum by reading each word of the EEPROM and adding them all up, one by one 📖➕. then she verifies that the sum of the EEPROM is equal to 0xBABA.

no cap, that's the magic number: 0xBABA. if the sum matches, slay. if it doesn't... well, that's a checksum failure bestie 😭

🔥 SEE ALSO 🔥

the friend group 🫶 — all of these live in the kernel file:

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

thirty-seven besties and every single one of them is invited 💅✨

ok and if you ever wondered why the page title looks like e1000_valid...ecksum_82571(9) with the ... in the middle — that's just the man page header doing its lil truncation thing when the name is too long to fit. the full name is up in the NAME section, you're not losing your mind 🙈

and that's the whole page! 🍓 sourced from ./drivers/net/ethernet/intel/e... , dated October 2026, and yes the footer literally says e1000_valid...ecksum_82571(9) again because man pages love a symmetrical moment 👑 mwah, go read e1000_update_nvm_checksum_82571(9) next, ily 💜🧚

📦 where this page comes from