i40e_led_is_mine(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’‘ i40e_led_is_mine β€” the "is this LED mine??" helper

okay so bestie, welcome to i40e_led_is_mine(9) from the Kernel API Manual (section 9, obviously πŸ’…). this is a tiny little helper in the i40e driver and honestly it's giving "small but essential" energy. let's get into it ✨


🌸 NAME

i40e_led_is_mine β€” a helper to find the matching led πŸŽ€


πŸ¦‹ SYNOPSIS

u32 i40e_led_is_mine (struct i40e_hw *hw , int idx );

that's it. that's the whole signature. no cap, it's lowkey adorable 🫢


πŸ’– ARGUMENTS

  • hw β€” a pointer to the hw struct πŸ’… like, the whole hardware situation lives in here, and you're handing it over.
  • idx β€” an index into the GPIO registers ⭐ this is the little number that tells it which slot to peek at.

πŸ”₯ RETURN

  • 0 if there's no match πŸ™ˆ
  • otherwise, the value of the GPIO_CTL register πŸ‘‘

so basically: zero means "nope, not yours", anything else means "yep, here's the goods" ✨

ngl the whole "0 means no match" thing is literally the classic C move β€” remember it, bestie, or you're gonna have a bad time 😭

🌈 SEE ALSO

the kernel file this lives in, for the curious girlies:

  • ./drivers/net/ethernet/intel/i40e/i40e_common.c

and okay, buckle up, because this cross-reference list is long β€” it's giving "the entire i40e extended family showed up to the function reunion" πŸ‘‘ every single one of these is section (9):

like I said. the whole family. ate and left no crumbs πŸ“


lowkey, if you actually read that entire cross-reference list top to bottom, you're a real one πŸ˜­πŸ’œ

and that's the whole page, bestie! this one's sourced straight from ./drivers/net/ethernet/intel/i40e, dated October 2026 β€” iconic, timeless, periodt πŸŽ€βœ¨πŸ¦‹

πŸ“¦ where this page comes from