e1000e_write_nvm_spi(9)

📦 version 7.3.1, in nixpkgs unstable

✨ e1000e_write_nvm_spi(9) ✨

okay so bestie, welcome to the Kernel API Manual entry for e1000e_write_nvm_spi — yes it's a mouthful, no you don't have to say it out loud 💅 this is the lil function that literally writes to your EEPROM using SPI, and we're gonna get into it 🎀

🌸 NAME 🌸

e1000e_write_nvm_spi — write to EEPROM using SPI 🦋

⭐ SYNOPSIS ⭐

s32 e1000e_write_nvm_spi (struct e1000_hw *hw , u16 offset , u16 words ,
u16 *data );

like, that's the whole signature, copy it exactly bestie, don't get creative with it 🙈

🎀 ARGUMENTS 🎀

  • hw — pointer to the HW structure 👑 this is your main character struct, everything routes through it
  • offset — the offset within the EEPROM you're writing to 📍 like, where the vibes land
  • words — the number of words to write 🔢 don't skip this one
  • data — the 16 bit word(s) that actually get written to the EEPROM 💖 this is the payload, the moment, the content

💜 DESCRIPTION 💜

So what does it do? It writes data to the EEPROM at offset using the SPI interface ✨ that's it, that's the function, and honestly? iconic.

🚨 ok but listen — if e1000e_update_nvm_checksum is not called after this function, the EEPROM will most likely contain an invalid checksum 😭 like not a maybe-slight-issue, a most likely invalid checksum. call the checksum update. be a good citizen. periodt.

🌈 SEE ALSO 🌈

the kernel file lives right here: ./drivers/net/ethernet/intel/e1000e/nvm.c 📁 bestie it's all in there, go read it, iykyk

and the whole friend group of related functions:

and that's the page!! 🫶 this lil doc came from ./drivers/net/ethernet/intel/e... and it's dated October 2026 — so yeah, future vibes, but the API slaps the same 💀✨ go forth and write your EEPROM responsibly, and remember to update that checksum fr fr 🍓🧚💜

📦 where this page comes from