e1000_read_mac_addr(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… e1000_read_mac_addr(9) β€” a Kernel API Manual moment πŸŽ€

okay so bestie, welcome to the Kernel API Manual ✨ this one's a little function that does exactly one iconic thing and honestly? she ate.


✨ NAME ✨

e1000_read_mac_addr β€” read the adapter's MAC from eeprom πŸ¦‹


🌸 SYNOPSIS 🌸

s32 e1000_read_mac_addr (struct e1000_hw *hw );

like yes that spacing is real, don't touch it, she's perfect πŸ’…


πŸŽ€ ARGUMENTS πŸŽ€

  • hw β€” the struct holding all the variables that get accessed by shared code. everything lives in here, she's the main character πŸ‘‘

πŸ’– DESCRIPTION πŸ’–

so what does she actually do? simple: she reads the adapter's MAC address out of the EEPROM 🌈

and then β€” plot twist β€” she inverts the LSB for the second function of dual function devices 😭 like not a huge deal but lowkey important if you're the second function, yk?

that's it. that's the whole vibe. no cap 🫢


🌟 SEE ALSO 🌟

the kernel file:

  • ./drivers/net/ethernet/intel/e1000/e1000_hw.c

and literally the entire extended friend group, all present and accounted for, no one left behind πŸ’œ:

like… that's a lot of besties but we love a connected community 🧚


🫢 quick reminder bb: everything above is exactly what the page says, nothing invented, nothing dropped. iykyk πŸ’€

and that's the whole page, bestie!! πŸ’– source/version is ./drivers/net/ethernet/intel/e... and she's dated October 2026 β€” so go forth, read those MACs, invert that LSB, slay πŸ‘‘βœ¨πŸŒΈ

πŸ“¦ where this page comes from