i40e_get_module_eeprom(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… i40e_get_module_eeprom β€” a Kernel API Manual moment (section 9, bestie)

okay so this page is called i40e_get_module_eeprom(9) and it's lowkey one of the most iconic little helpers in the i40e driver. buckle up πŸŽ€


✨ NAME ✨

i40e_get_module_eeprom β€” fills buffer with (Q)SFP+ module memory contents πŸ’–

like, it literally goes and grabs the memory contents of your (Q)SFP+ module and drops them into a buffer. no cap.


🌸 SYNOPSIS 🌸

int i40e_get_module_eeprom (struct net_device *netdev , struct
       ethtool_eeprom *ee , u8 *data );

that's the whole vibe β€” returns an int, takes three args, done. periodt. ✨


πŸ¦‹ ARGUMENTS πŸ¦‹

  • netdev β€” the network interface device structure 🫢 this is your NIC, your main character
  • ee β€” the EEPROM dump request structure πŸ’Œ it's literally the ask
  • data β€” buffer to be filled with EEPROM contents 🧚 the glow-up destination

three args, zero notes. iconic.


πŸ’œ SEE ALSO πŸ’œ

the kernel file to go look at is ./drivers/net/ethernet/intel/i40e/i40e_ethtool.c β€” and honestly? struct. yes that's just the word struct sitting there. we love a mysterious queen πŸ’€

and now for the friend-group roll call β€” every single one of these, no skipping, iykyk πŸ”₯:

that's the whole squad. ate and left no crumbs πŸ’…


quick vibe check: this page genuinely doesn't give you a return-value section, an errors section, or any warnings β€” so i'm not gonna invent one. what you see is what you get, bestie. 🫢

okay and finally the lil sign-off πŸŽ€ β€” this whole thing lives under ./drivers/net/ethernet/intel/i40e, dated October 2026, and it's i40e_get_module_eeprom(9) in the Kernel API Manual. that's the post, love u, go read your EEPROMs responsibly 🌈⭐

πŸ“¦ where this page comes from