ixgbe_read_i...ff8472_82598(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ ixgbe_read_i2c_sff8472_82598 ✨

okay bestie, welcome to the Kernel API Manual β€” yes this is a real manual page from the kernel docs, and yes we're gonna make it cute. this one's about ixgbe_read_i2c_sff8472_82598(9) πŸ’… she's a little function from the Intel ixgbe driver fam, and she reads stuff over I2C. let's get into it πŸ¦‹


🌸 NAME 🌸

ixgbe_read_i2c_sff8472_82598 β€” literally reads an 8 bit word over the I2C interface. that's her whole job, and she ate πŸ’–


πŸŽ€ SYNOPSIS πŸŽ€

int ixgbe_read_i2c_sff8472_82598 (struct ixgbe_hw *hw , u8 byte_offset ,
u8 *sff8472_data );

she returns an int, takes three args, and no, you cannot skip any of them, iykyk 🫢


✨ ARGUMENTS ✨

  • hw β€” pointer to the hardware structure. like, the whole hardware vibe check gets handed in right here πŸ‘‘
  • byte_offset β€” the byte offset at address 0xA2. that 0xA2 is not a typo, it's giving very specific 🎯
  • sff8472_data β€” value read. she goes in empty-handed and comes out holding the goods πŸ˜­πŸ’œ

🌈 DESCRIPTION 🌈

so basically: she performs an 8 byte read operation to the SFP module's SFF-8472 data over I2C. that's it, that's the whole plot ✨ no cap, that's the description in its entirety β€” sometimes a function is just a function and she does her one thing beautifully 🧚

lowkey obsessed with how the NAME says "8 bit word" and the DESCRIPTION says "8 byte read operation" β€” i'm just reporting what the page says, don't come for me πŸ™ˆ both facts stay, periodt.

πŸ’– SEE ALSO πŸ’–

the kernel file lives here, bestie:

./drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c

and here's the whole friend group β€” every single one, no cuts πŸ’…:


okay that's the whole page, you're officially educated πŸŽ“βœ¨ this came out of ./drivers/net/ethernet/intel/i... and it's dated October 2026 β€” so mark your calendars, she's from the future, main character energy fr fr πŸ‘‘πŸ’« bye bestie, go read some I2C πŸ¦‹πŸ’–

πŸ“¦ where this page comes from